author | Florian Pose <fp@igh.de> |
Wed, 06 Dec 2017 10:09:50 +0100 | |
branch | stable-1.5 |
changeset 2692 | cb240525acb6 |
parent 2685 | 740291442c05 |
permissions | -rw-r--r-- |
2685
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1 |
/* Intel(R) Gigabit Ethernet Linux driver |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2 |
* Copyright(c) 2007-2014 Intel Corporation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
3 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
4 |
* This program is free software; you can redistribute it and/or modify it |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
5 |
* under the terms and conditions of the GNU General Public License, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
6 |
* version 2, as published by the Free Software Foundation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
7 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
8 |
* This program is distributed in the hope it will be useful, but WITHOUT |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
9 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
10 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
11 |
* more details. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
12 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
13 |
* You should have received a copy of the GNU General Public License along with |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
14 |
* this program; if not, see <http://www.gnu.org/licenses/>. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
15 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
16 |
* The full GNU General Public License is included in this distribution in |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
17 |
* the file called "COPYING". |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
18 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
19 |
* Contact Information: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
20 |
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
21 |
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
22 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
23 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
24 |
#include <linux/if_ether.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
25 |
#include <linux/delay.h> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
26 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
27 |
#include "e1000_mac-3.18-ethercat.h" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
28 |
#include "e1000_phy-3.18-ethercat.h" |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
29 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
30 |
static s32 igb_phy_setup_autoneg(struct e1000_hw *hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
31 |
static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
32 |
u16 *phy_ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
33 |
static s32 igb_wait_autoneg(struct e1000_hw *hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
34 |
static s32 igb_set_master_slave_mode(struct e1000_hw *hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
35 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
36 |
/* Cable length tables */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
37 |
static const u16 e1000_m88_cable_length_table[] = { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
38 |
0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED }; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
39 |
#define M88E1000_CABLE_LENGTH_TABLE_SIZE \ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
40 |
(sizeof(e1000_m88_cable_length_table) / \ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
41 |
sizeof(e1000_m88_cable_length_table[0])) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
42 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
43 |
static const u16 e1000_igp_2_cable_length_table[] = { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
44 |
0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
45 |
0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
46 |
6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
47 |
21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
48 |
40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
49 |
60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
50 |
83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
51 |
104, 109, 114, 118, 121, 124}; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
52 |
#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
53 |
(sizeof(e1000_igp_2_cable_length_table) / \ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
54 |
sizeof(e1000_igp_2_cable_length_table[0])) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
55 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
56 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
57 |
* igb_check_reset_block - Check if PHY reset is blocked |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
58 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
59 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
60 |
* Read the PHY management control register and check whether a PHY reset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
61 |
* is blocked. If a reset is not blocked return 0, otherwise |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
62 |
* return E1000_BLK_PHY_RESET (12). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
63 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
64 |
s32 igb_check_reset_block(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
65 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
66 |
u32 manc; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
67 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
68 |
manc = rd32(E1000_MANC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
69 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
70 |
return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ? E1000_BLK_PHY_RESET : 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
71 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
72 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
73 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
74 |
* igb_get_phy_id - Retrieve the PHY ID and revision |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
75 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
76 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
77 |
* Reads the PHY registers and stores the PHY ID and possibly the PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
78 |
* revision in the hardware structure. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
79 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
80 |
s32 igb_get_phy_id(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
81 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
82 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
83 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
84 |
u16 phy_id; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
85 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
86 |
ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
87 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
88 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
89 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
90 |
phy->id = (u32)(phy_id << 16); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
91 |
udelay(20); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
92 |
ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
93 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
94 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
95 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
96 |
phy->id |= (u32)(phy_id & PHY_REVISION_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
97 |
phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
98 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
99 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
100 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
101 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
102 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
103 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
104 |
* igb_phy_reset_dsp - Reset PHY DSP |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
105 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
106 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
107 |
* Reset the digital signal processor. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
108 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
109 |
static s32 igb_phy_reset_dsp(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
110 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
111 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
112 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
113 |
if (!(hw->phy.ops.write_reg)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
114 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
115 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
116 |
ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xC1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
117 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
118 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
119 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
120 |
ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
121 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
122 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
123 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
124 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
125 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
126 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
127 |
* igb_read_phy_reg_mdic - Read MDI control register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
128 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
129 |
* @offset: register offset to be read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
130 |
* @data: pointer to the read data |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
131 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
132 |
* Reads the MDI control regsiter in the PHY at offset and stores the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
133 |
* information read to data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
134 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
135 |
s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
136 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
137 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
138 |
u32 i, mdic = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
139 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
140 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
141 |
if (offset > MAX_PHY_REG_ADDRESS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
142 |
hw_dbg("PHY Address %d is out of range\n", offset); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
143 |
ret_val = -E1000_ERR_PARAM; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
144 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
145 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
146 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
147 |
/* Set up Op-code, Phy Address, and register offset in the MDI |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
148 |
* Control register. The MAC will take care of interfacing with the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
149 |
* PHY to retrieve the desired data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
150 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
151 |
mdic = ((offset << E1000_MDIC_REG_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
152 |
(phy->addr << E1000_MDIC_PHY_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
153 |
(E1000_MDIC_OP_READ)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
154 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
155 |
wr32(E1000_MDIC, mdic); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
156 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
157 |
/* Poll the ready bit to see if the MDI read completed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
158 |
* Increasing the time out as testing showed failures with |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
159 |
* the lower time out |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
160 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
161 |
for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
162 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
163 |
mdic = rd32(E1000_MDIC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
164 |
if (mdic & E1000_MDIC_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
165 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
166 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
167 |
if (!(mdic & E1000_MDIC_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
168 |
hw_dbg("MDI Read did not complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
169 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
170 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
171 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
172 |
if (mdic & E1000_MDIC_ERROR) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
173 |
hw_dbg("MDI Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
174 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
175 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
176 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
177 |
*data = (u16) mdic; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
178 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
179 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
180 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
181 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
182 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
183 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
184 |
* igb_write_phy_reg_mdic - Write MDI control register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
185 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
186 |
* @offset: register offset to write to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
187 |
* @data: data to write to register at offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
188 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
189 |
* Writes data to MDI control register in the PHY at offset. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
190 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
191 |
s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
192 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
193 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
194 |
u32 i, mdic = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
195 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
196 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
197 |
if (offset > MAX_PHY_REG_ADDRESS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
198 |
hw_dbg("PHY Address %d is out of range\n", offset); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
199 |
ret_val = -E1000_ERR_PARAM; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
200 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
201 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
202 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
203 |
/* Set up Op-code, Phy Address, and register offset in the MDI |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
204 |
* Control register. The MAC will take care of interfacing with the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
205 |
* PHY to retrieve the desired data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
206 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
207 |
mdic = (((u32)data) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
208 |
(offset << E1000_MDIC_REG_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
209 |
(phy->addr << E1000_MDIC_PHY_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
210 |
(E1000_MDIC_OP_WRITE)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
211 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
212 |
wr32(E1000_MDIC, mdic); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
213 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
214 |
/* Poll the ready bit to see if the MDI read completed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
215 |
* Increasing the time out as testing showed failures with |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
216 |
* the lower time out |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
217 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
218 |
for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
219 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
220 |
mdic = rd32(E1000_MDIC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
221 |
if (mdic & E1000_MDIC_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
222 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
223 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
224 |
if (!(mdic & E1000_MDIC_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
225 |
hw_dbg("MDI Write did not complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
226 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
227 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
228 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
229 |
if (mdic & E1000_MDIC_ERROR) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
230 |
hw_dbg("MDI Error\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
231 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
232 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
233 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
234 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
235 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
236 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
237 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
238 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
239 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
240 |
* igb_read_phy_reg_i2c - Read PHY register using i2c |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
241 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
242 |
* @offset: register offset to be read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
243 |
* @data: pointer to the read data |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
244 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
245 |
* Reads the PHY register at offset using the i2c interface and stores the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
246 |
* retrieved information in data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
247 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
248 |
s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
249 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
250 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
251 |
u32 i, i2ccmd = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
252 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
253 |
/* Set up Op-code, Phy Address, and register address in the I2CCMD |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
254 |
* register. The MAC will take care of interfacing with the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
255 |
* PHY to retrieve the desired data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
256 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
257 |
i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
258 |
(phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
259 |
(E1000_I2CCMD_OPCODE_READ)); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
260 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
261 |
wr32(E1000_I2CCMD, i2ccmd); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
262 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
263 |
/* Poll the ready bit to see if the I2C read completed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
264 |
for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
265 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
266 |
i2ccmd = rd32(E1000_I2CCMD); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
267 |
if (i2ccmd & E1000_I2CCMD_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
268 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
269 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
270 |
if (!(i2ccmd & E1000_I2CCMD_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
271 |
hw_dbg("I2CCMD Read did not complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
272 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
273 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
274 |
if (i2ccmd & E1000_I2CCMD_ERROR) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
275 |
hw_dbg("I2CCMD Error bit set\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
276 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
277 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
278 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
279 |
/* Need to byte-swap the 16-bit value. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
280 |
*data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
281 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
282 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
283 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
284 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
285 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
286 |
* igb_write_phy_reg_i2c - Write PHY register using i2c |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
287 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
288 |
* @offset: register offset to write to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
289 |
* @data: data to write at register offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
290 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
291 |
* Writes the data to PHY register at the offset using the i2c interface. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
292 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
293 |
s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
294 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
295 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
296 |
u32 i, i2ccmd = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
297 |
u16 phy_data_swapped; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
298 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
299 |
/* Prevent overwritting SFP I2C EEPROM which is at A0 address.*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
300 |
if ((hw->phy.addr == 0) || (hw->phy.addr > 7)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
301 |
hw_dbg("PHY I2C Address %d is out of range.\n", |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
302 |
hw->phy.addr); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
303 |
return -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
304 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
305 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
306 |
/* Swap the data bytes for the I2C interface */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
307 |
phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
308 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
309 |
/* Set up Op-code, Phy Address, and register address in the I2CCMD |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
310 |
* register. The MAC will take care of interfacing with the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
311 |
* PHY to retrieve the desired data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
312 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
313 |
i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
314 |
(phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
315 |
E1000_I2CCMD_OPCODE_WRITE | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
316 |
phy_data_swapped); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
317 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
318 |
wr32(E1000_I2CCMD, i2ccmd); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
319 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
320 |
/* Poll the ready bit to see if the I2C read completed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
321 |
for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
322 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
323 |
i2ccmd = rd32(E1000_I2CCMD); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
324 |
if (i2ccmd & E1000_I2CCMD_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
325 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
326 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
327 |
if (!(i2ccmd & E1000_I2CCMD_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
328 |
hw_dbg("I2CCMD Write did not complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
329 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
330 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
331 |
if (i2ccmd & E1000_I2CCMD_ERROR) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
332 |
hw_dbg("I2CCMD Error bit set\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
333 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
334 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
335 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
336 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
337 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
338 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
339 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
340 |
* igb_read_sfp_data_byte - Reads SFP module data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
341 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
342 |
* @offset: byte location offset to be read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
343 |
* @data: read data buffer pointer |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
344 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
345 |
* Reads one byte from SFP module data stored |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
346 |
* in SFP resided EEPROM memory or SFP diagnostic area. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
347 |
* Function should be called with |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
348 |
* E1000_I2CCMD_SFP_DATA_ADDR(<byte offset>) for SFP module database access |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
349 |
* E1000_I2CCMD_SFP_DIAG_ADDR(<byte offset>) for SFP diagnostics parameters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
350 |
* access |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
351 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
352 |
s32 igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
353 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
354 |
u32 i = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
355 |
u32 i2ccmd = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
356 |
u32 data_local = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
357 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
358 |
if (offset > E1000_I2CCMD_SFP_DIAG_ADDR(255)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
359 |
hw_dbg("I2CCMD command address exceeds upper limit\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
360 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
361 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
362 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
363 |
/* Set up Op-code, EEPROM Address,in the I2CCMD |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
364 |
* register. The MAC will take care of interfacing with the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
365 |
* EEPROM to retrieve the desired data. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
366 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
367 |
i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
368 |
E1000_I2CCMD_OPCODE_READ); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
369 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
370 |
wr32(E1000_I2CCMD, i2ccmd); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
371 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
372 |
/* Poll the ready bit to see if the I2C read completed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
373 |
for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
374 |
udelay(50); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
375 |
data_local = rd32(E1000_I2CCMD); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
376 |
if (data_local & E1000_I2CCMD_READY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
377 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
378 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
379 |
if (!(data_local & E1000_I2CCMD_READY)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
380 |
hw_dbg("I2CCMD Read did not complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
381 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
382 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
383 |
if (data_local & E1000_I2CCMD_ERROR) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
384 |
hw_dbg("I2CCMD Error bit set\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
385 |
return -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
386 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
387 |
*data = (u8) data_local & 0xFF; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
388 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
389 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
390 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
391 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
392 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
393 |
* igb_read_phy_reg_igp - Read igp PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
394 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
395 |
* @offset: register offset to be read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
396 |
* @data: pointer to the read data |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
397 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
398 |
* Acquires semaphore, if necessary, then reads the PHY register at offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
399 |
* and storing the retrieved information in data. Release any acquired |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
400 |
* semaphores before exiting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
401 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
402 |
s32 igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
403 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
404 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
405 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
406 |
if (!(hw->phy.ops.acquire)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
407 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
408 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
409 |
ret_val = hw->phy.ops.acquire(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
410 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
411 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
412 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
413 |
if (offset > MAX_PHY_MULTI_PAGE_REG) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
414 |
ret_val = igb_write_phy_reg_mdic(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
415 |
IGP01E1000_PHY_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
416 |
(u16)offset); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
417 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
418 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
419 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
420 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
421 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
422 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
423 |
ret_val = igb_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
424 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
425 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
426 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
427 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
428 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
429 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
430 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
431 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
432 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
433 |
* igb_write_phy_reg_igp - Write igp PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
434 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
435 |
* @offset: register offset to write to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
436 |
* @data: data to write at register offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
437 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
438 |
* Acquires semaphore, if necessary, then writes the data to PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
439 |
* at the offset. Release any acquired semaphores before exiting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
440 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
441 |
s32 igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
442 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
443 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
444 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
445 |
if (!(hw->phy.ops.acquire)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
446 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
447 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
448 |
ret_val = hw->phy.ops.acquire(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
449 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
450 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
451 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
452 |
if (offset > MAX_PHY_MULTI_PAGE_REG) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
453 |
ret_val = igb_write_phy_reg_mdic(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
454 |
IGP01E1000_PHY_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
455 |
(u16)offset); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
456 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
457 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
458 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
459 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
460 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
461 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
462 |
ret_val = igb_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
463 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
464 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
465 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
466 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
467 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
468 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
469 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
470 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
471 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
472 |
* igb_copper_link_setup_82580 - Setup 82580 PHY for copper link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
473 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
474 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
475 |
* Sets up Carrier-sense on Transmit and downshift values. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
476 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
477 |
s32 igb_copper_link_setup_82580(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
478 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
479 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
480 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
481 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
482 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
483 |
if (phy->reset_disable) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
484 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
485 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
486 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
487 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
488 |
if (phy->type == e1000_phy_82580) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
489 |
ret_val = hw->phy.ops.reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
490 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
491 |
hw_dbg("Error resetting the PHY.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
492 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
493 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
494 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
495 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
496 |
/* Enable CRS on TX. This must be set for half-duplex operation. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
497 |
ret_val = phy->ops.read_reg(hw, I82580_CFG_REG, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
498 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
499 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
500 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
501 |
phy_data |= I82580_CFG_ASSERT_CRS_ON_TX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
502 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
503 |
/* Enable downshift */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
504 |
phy_data |= I82580_CFG_ENABLE_DOWNSHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
505 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
506 |
ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
507 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
508 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
509 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
510 |
/* Set MDI/MDIX mode */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
511 |
ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
512 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
513 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
514 |
phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
515 |
/* Options: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
516 |
* 0 - Auto (default) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
517 |
* 1 - MDI mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
518 |
* 2 - MDI-X mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
519 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
520 |
switch (hw->phy.mdix) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
521 |
case 1: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
522 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
523 |
case 2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
524 |
phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
525 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
526 |
case 0: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
527 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
528 |
phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
529 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
530 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
531 |
ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
532 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
533 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
534 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
535 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
536 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
537 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
538 |
* igb_copper_link_setup_m88 - Setup m88 PHY's for copper link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
539 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
540 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
541 |
* Sets up MDI/MDI-X and polarity for m88 PHY's. If necessary, transmit clock |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
542 |
* and downshift values are set also. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
543 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
544 |
s32 igb_copper_link_setup_m88(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
545 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
546 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
547 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
548 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
549 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
550 |
if (phy->reset_disable) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
551 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
552 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
553 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
554 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
555 |
/* Enable CRS on TX. This must be set for half-duplex operation. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
556 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
557 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
558 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
559 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
560 |
phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
561 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
562 |
/* Options: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
563 |
* MDI/MDI-X = 0 (default) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
564 |
* 0 - Auto for all speeds |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
565 |
* 1 - MDI mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
566 |
* 2 - MDI-X mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
567 |
* 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
568 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
569 |
phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
570 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
571 |
switch (phy->mdix) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
572 |
case 1: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
573 |
phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
574 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
575 |
case 2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
576 |
phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
577 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
578 |
case 3: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
579 |
phy_data |= M88E1000_PSCR_AUTO_X_1000T; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
580 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
581 |
case 0: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
582 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
583 |
phy_data |= M88E1000_PSCR_AUTO_X_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
584 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
585 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
586 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
587 |
/* Options: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
588 |
* disable_polarity_correction = 0 (default) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
589 |
* Automatic Correction for Reversed Cable Polarity |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
590 |
* 0 - Disabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
591 |
* 1 - Enabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
592 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
593 |
phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
594 |
if (phy->disable_polarity_correction == 1) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
595 |
phy_data |= M88E1000_PSCR_POLARITY_REVERSAL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
596 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
597 |
ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
598 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
599 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
600 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
601 |
if (phy->revision < E1000_REVISION_4) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
602 |
/* Force TX_CLK in the Extended PHY Specific Control Register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
603 |
* to 25MHz clock. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
604 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
605 |
ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
606 |
&phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
607 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
608 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
609 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
610 |
phy_data |= M88E1000_EPSCR_TX_CLK_25; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
611 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
612 |
if ((phy->revision == E1000_REVISION_2) && |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
613 |
(phy->id == M88E1111_I_PHY_ID)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
614 |
/* 82573L PHY - set the downshift counter to 5x. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
615 |
phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
616 |
phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
617 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
618 |
/* Configure Master and Slave downshift values */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
619 |
phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
620 |
M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
621 |
phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
622 |
M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
623 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
624 |
ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
625 |
phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
626 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
627 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
628 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
629 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
630 |
/* Commit the changes. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
631 |
ret_val = igb_phy_sw_reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
632 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
633 |
hw_dbg("Error committing the PHY changes\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
634 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
635 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
636 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
637 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
638 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
639 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
640 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
641 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
642 |
* igb_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
643 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
644 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
645 |
* Sets up MDI/MDI-X and polarity for i347-AT4, m88e1322 and m88e1112 PHY's. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
646 |
* Also enables and sets the downshift parameters. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
647 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
648 |
s32 igb_copper_link_setup_m88_gen2(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
649 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
650 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
651 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
652 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
653 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
654 |
if (phy->reset_disable) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
655 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
656 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
657 |
/* Enable CRS on Tx. This must be set for half-duplex operation. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
658 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
659 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
660 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
661 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
662 |
/* Options: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
663 |
* MDI/MDI-X = 0 (default) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
664 |
* 0 - Auto for all speeds |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
665 |
* 1 - MDI mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
666 |
* 2 - MDI-X mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
667 |
* 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
668 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
669 |
phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
670 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
671 |
switch (phy->mdix) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
672 |
case 1: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
673 |
phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
674 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
675 |
case 2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
676 |
phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
677 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
678 |
case 3: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
679 |
/* M88E1112 does not support this mode) */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
680 |
if (phy->id != M88E1112_E_PHY_ID) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
681 |
phy_data |= M88E1000_PSCR_AUTO_X_1000T; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
682 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
683 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
684 |
case 0: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
685 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
686 |
phy_data |= M88E1000_PSCR_AUTO_X_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
687 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
688 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
689 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
690 |
/* Options: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
691 |
* disable_polarity_correction = 0 (default) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
692 |
* Automatic Correction for Reversed Cable Polarity |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
693 |
* 0 - Disabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
694 |
* 1 - Enabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
695 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
696 |
phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
697 |
if (phy->disable_polarity_correction == 1) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
698 |
phy_data |= M88E1000_PSCR_POLARITY_REVERSAL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
699 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
700 |
/* Enable downshift and setting it to X6 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
701 |
if (phy->id == M88E1543_E_PHY_ID) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
702 |
phy_data &= ~I347AT4_PSCR_DOWNSHIFT_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
703 |
ret_val = |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
704 |
phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
705 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
706 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
707 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
708 |
ret_val = igb_phy_sw_reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
709 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
710 |
hw_dbg("Error committing the PHY changes\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
711 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
712 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
713 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
714 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
715 |
phy_data &= ~I347AT4_PSCR_DOWNSHIFT_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
716 |
phy_data |= I347AT4_PSCR_DOWNSHIFT_6X; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
717 |
phy_data |= I347AT4_PSCR_DOWNSHIFT_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
718 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
719 |
ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
720 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
721 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
722 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
723 |
/* Commit the changes. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
724 |
ret_val = igb_phy_sw_reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
725 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
726 |
hw_dbg("Error committing the PHY changes\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
727 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
728 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
729 |
ret_val = igb_set_master_slave_mode(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
730 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
731 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
732 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
733 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
734 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
735 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
736 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
737 |
* igb_copper_link_setup_igp - Setup igp PHY's for copper link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
738 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
739 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
740 |
* Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
741 |
* igp PHY's. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
742 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
743 |
s32 igb_copper_link_setup_igp(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
744 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
745 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
746 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
747 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
748 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
749 |
if (phy->reset_disable) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
750 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
751 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
752 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
753 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
754 |
ret_val = phy->ops.reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
755 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
756 |
hw_dbg("Error resetting the PHY.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
757 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
758 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
759 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
760 |
/* Wait 100ms for MAC to configure PHY from NVM settings, to avoid |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
761 |
* timeout issues when LFS is enabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
762 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
763 |
msleep(100); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
764 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
765 |
/* The NVM settings will configure LPLU in D3 for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
766 |
* non-IGP1 PHYs. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
767 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
768 |
if (phy->type == e1000_phy_igp) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
769 |
/* disable lplu d3 during driver init */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
770 |
if (phy->ops.set_d3_lplu_state) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
771 |
ret_val = phy->ops.set_d3_lplu_state(hw, false); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
772 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
773 |
hw_dbg("Error Disabling LPLU D3\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
774 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
775 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
776 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
777 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
778 |
/* disable lplu d0 during driver init */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
779 |
ret_val = phy->ops.set_d0_lplu_state(hw, false); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
780 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
781 |
hw_dbg("Error Disabling LPLU D0\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
782 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
783 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
784 |
/* Configure mdi-mdix settings */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
785 |
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
786 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
787 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
788 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
789 |
data &= ~IGP01E1000_PSCR_AUTO_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
790 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
791 |
switch (phy->mdix) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
792 |
case 1: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
793 |
data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
794 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
795 |
case 2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
796 |
data |= IGP01E1000_PSCR_FORCE_MDI_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
797 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
798 |
case 0: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
799 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
800 |
data |= IGP01E1000_PSCR_AUTO_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
801 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
802 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
803 |
ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
804 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
805 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
806 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
807 |
/* set auto-master slave resolution settings */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
808 |
if (hw->mac.autoneg) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
809 |
/* when autonegotiation advertisement is only 1000Mbps then we |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
810 |
* should disable SmartSpeed and enable Auto MasterSlave |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
811 |
* resolution as hardware default. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
812 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
813 |
if (phy->autoneg_advertised == ADVERTISE_1000_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
814 |
/* Disable SmartSpeed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
815 |
ret_val = phy->ops.read_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
816 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
817 |
&data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
818 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
819 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
820 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
821 |
data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
822 |
ret_val = phy->ops.write_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
823 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
824 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
825 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
826 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
827 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
828 |
/* Set auto Master/Slave resolution process */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
829 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
830 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
831 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
832 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
833 |
data &= ~CR_1000T_MS_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
834 |
ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
835 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
836 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
837 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
838 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
839 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
840 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
841 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
842 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
843 |
/* load defaults for future use */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
844 |
phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
845 |
((data & CR_1000T_MS_VALUE) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
846 |
e1000_ms_force_master : |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
847 |
e1000_ms_force_slave) : |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
848 |
e1000_ms_auto; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
849 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
850 |
switch (phy->ms_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
851 |
case e1000_ms_force_master: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
852 |
data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
853 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
854 |
case e1000_ms_force_slave: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
855 |
data |= CR_1000T_MS_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
856 |
data &= ~(CR_1000T_MS_VALUE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
857 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
858 |
case e1000_ms_auto: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
859 |
data &= ~CR_1000T_MS_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
860 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
861 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
862 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
863 |
ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
864 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
865 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
866 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
867 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
868 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
869 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
870 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
871 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
872 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
873 |
* igb_copper_link_autoneg - Setup/Enable autoneg for copper link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
874 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
875 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
876 |
* Performs initial bounds checking on autoneg advertisement parameter, then |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
877 |
* configure to advertise the full capability. Setup the PHY to autoneg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
878 |
* and restart the negotiation process between the link partner. If |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
879 |
* autoneg_wait_to_complete, then wait for autoneg to complete before exiting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
880 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
881 |
static s32 igb_copper_link_autoneg(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
882 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
883 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
884 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
885 |
u16 phy_ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
886 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
887 |
/* Perform some bounds checking on the autoneg advertisement |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
888 |
* parameter. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
889 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
890 |
phy->autoneg_advertised &= phy->autoneg_mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
891 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
892 |
/* If autoneg_advertised is zero, we assume it was not defaulted |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
893 |
* by the calling code so we set to advertise full capability. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
894 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
895 |
if (phy->autoneg_advertised == 0) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
896 |
phy->autoneg_advertised = phy->autoneg_mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
897 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
898 |
hw_dbg("Reconfiguring auto-neg advertisement params\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
899 |
ret_val = igb_phy_setup_autoneg(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
900 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
901 |
hw_dbg("Error Setting up Auto-Negotiation\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
902 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
903 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
904 |
hw_dbg("Restarting Auto-Neg\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
905 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
906 |
/* Restart auto-negotiation by setting the Auto Neg Enable bit and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
907 |
* the Auto Neg Restart bit in the PHY control register. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
908 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
909 |
ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
910 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
911 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
912 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
913 |
phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
914 |
ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
915 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
916 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
917 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
918 |
/* Does the user want to wait for Auto-Neg to complete here, or |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
919 |
* check at a later time (for example, callback routine). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
920 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
921 |
if (phy->autoneg_wait_to_complete) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
922 |
ret_val = igb_wait_autoneg(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
923 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
924 |
hw_dbg("Error while waiting for autoneg to complete\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
925 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
926 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
927 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
928 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
929 |
hw->mac.get_link_status = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
930 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
931 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
932 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
933 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
934 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
935 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
936 |
* igb_phy_setup_autoneg - Configure PHY for auto-negotiation |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
937 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
938 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
939 |
* Reads the MII auto-neg advertisement register and/or the 1000T control |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
940 |
* register and if the PHY is already setup for auto-negotiation, then |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
941 |
* return successful. Otherwise, setup advertisement and flow control to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
942 |
* the appropriate values for the wanted auto-negotiation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
943 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
944 |
static s32 igb_phy_setup_autoneg(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
945 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
946 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
947 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
948 |
u16 mii_autoneg_adv_reg; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
949 |
u16 mii_1000t_ctrl_reg = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
950 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
951 |
phy->autoneg_advertised &= phy->autoneg_mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
952 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
953 |
/* Read the MII Auto-Neg Advertisement Register (Address 4). */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
954 |
ret_val = phy->ops.read_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
955 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
956 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
957 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
958 |
if (phy->autoneg_mask & ADVERTISE_1000_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
959 |
/* Read the MII 1000Base-T Control Register (Address 9). */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
960 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
961 |
&mii_1000t_ctrl_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
962 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
963 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
964 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
965 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
966 |
/* Need to parse both autoneg_advertised and fc and set up |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
967 |
* the appropriate PHY registers. First we will parse for |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
968 |
* autoneg_advertised software override. Since we can advertise |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
969 |
* a plethora of combinations, we need to check each bit |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
970 |
* individually. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
971 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
972 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
973 |
/* First we clear all the 10/100 mb speed bits in the Auto-Neg |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
974 |
* Advertisement Register (Address 4) and the 1000 mb speed bits in |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
975 |
* the 1000Base-T Control Register (Address 9). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
976 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
977 |
mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
978 |
NWAY_AR_100TX_HD_CAPS | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
979 |
NWAY_AR_10T_FD_CAPS | |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
980 |
NWAY_AR_10T_HD_CAPS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
981 |
mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
982 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
983 |
hw_dbg("autoneg_advertised %x\n", phy->autoneg_advertised); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
984 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
985 |
/* Do we want to advertise 10 Mb Half Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
986 |
if (phy->autoneg_advertised & ADVERTISE_10_HALF) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
987 |
hw_dbg("Advertise 10mb Half duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
988 |
mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
989 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
990 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
991 |
/* Do we want to advertise 10 Mb Full Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
992 |
if (phy->autoneg_advertised & ADVERTISE_10_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
993 |
hw_dbg("Advertise 10mb Full duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
994 |
mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
995 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
996 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
997 |
/* Do we want to advertise 100 Mb Half Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
998 |
if (phy->autoneg_advertised & ADVERTISE_100_HALF) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
999 |
hw_dbg("Advertise 100mb Half duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1000 |
mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1001 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1002 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1003 |
/* Do we want to advertise 100 Mb Full Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1004 |
if (phy->autoneg_advertised & ADVERTISE_100_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1005 |
hw_dbg("Advertise 100mb Full duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1006 |
mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1007 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1008 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1009 |
/* We do not allow the Phy to advertise 1000 Mb Half Duplex */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1010 |
if (phy->autoneg_advertised & ADVERTISE_1000_HALF) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1011 |
hw_dbg("Advertise 1000mb Half duplex request denied!\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1012 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1013 |
/* Do we want to advertise 1000 Mb Full Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1014 |
if (phy->autoneg_advertised & ADVERTISE_1000_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1015 |
hw_dbg("Advertise 1000mb Full duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1016 |
mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1017 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1018 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1019 |
/* Check for a software override of the flow control settings, and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1020 |
* setup the PHY advertisement registers accordingly. If |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1021 |
* auto-negotiation is enabled, then software will have to set the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1022 |
* "PAUSE" bits to the correct value in the Auto-Negotiation |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1023 |
* Advertisement Register (PHY_AUTONEG_ADV) and re-start auto- |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1024 |
* negotiation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1025 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1026 |
* The possible values of the "fc" parameter are: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1027 |
* 0: Flow control is completely disabled |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1028 |
* 1: Rx flow control is enabled (we can receive pause frames |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1029 |
* but not send pause frames). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1030 |
* 2: Tx flow control is enabled (we can send pause frames |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1031 |
* but we do not support receiving pause frames). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1032 |
* 3: Both Rx and TX flow control (symmetric) are enabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1033 |
* other: No software override. The flow control configuration |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1034 |
* in the EEPROM is used. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1035 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1036 |
switch (hw->fc.current_mode) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1037 |
case e1000_fc_none: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1038 |
/* Flow control (RX & TX) is completely disabled by a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1039 |
* software over-ride. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1040 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1041 |
mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1042 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1043 |
case e1000_fc_rx_pause: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1044 |
/* RX Flow control is enabled, and TX Flow control is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1045 |
* disabled, by a software over-ride. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1046 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1047 |
* Since there really isn't a way to advertise that we are |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1048 |
* capable of RX Pause ONLY, we will advertise that we |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1049 |
* support both symmetric and asymmetric RX PAUSE. Later |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1050 |
* (in e1000_config_fc_after_link_up) we will disable the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1051 |
* hw's ability to send PAUSE frames. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1052 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1053 |
mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1054 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1055 |
case e1000_fc_tx_pause: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1056 |
/* TX Flow control is enabled, and RX Flow control is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1057 |
* disabled, by a software over-ride. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1058 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1059 |
mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1060 |
mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1061 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1062 |
case e1000_fc_full: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1063 |
/* Flow control (both RX and TX) is enabled by a software |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1064 |
* over-ride. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1065 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1066 |
mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1067 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1068 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1069 |
hw_dbg("Flow control param set incorrectly\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1070 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1071 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1072 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1073 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1074 |
ret_val = phy->ops.write_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1075 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1076 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1077 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1078 |
hw_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1079 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1080 |
if (phy->autoneg_mask & ADVERTISE_1000_FULL) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1081 |
ret_val = phy->ops.write_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1082 |
PHY_1000T_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1083 |
mii_1000t_ctrl_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1084 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1085 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1086 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1087 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1088 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1089 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1090 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1091 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1092 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1093 |
* igb_setup_copper_link - Configure copper link settings |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1094 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1095 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1096 |
* Calls the appropriate function to configure the link for auto-neg or forced |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1097 |
* speed and duplex. Then we check for link, once link is established calls |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1098 |
* to configure collision distance and flow control are called. If link is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1099 |
* not established, we return -E1000_ERR_PHY (-2). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1100 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1101 |
s32 igb_setup_copper_link(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1102 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1103 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1104 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1105 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1106 |
if (hw->mac.autoneg) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1107 |
/* Setup autoneg and flow control advertisement and perform |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1108 |
* autonegotiation. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1109 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1110 |
ret_val = igb_copper_link_autoneg(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1111 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1112 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1113 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1114 |
/* PHY will be set to 10H, 10F, 100H or 100F |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1115 |
* depending on user settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1116 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1117 |
hw_dbg("Forcing Speed and Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1118 |
ret_val = hw->phy.ops.force_speed_duplex(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1119 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1120 |
hw_dbg("Error Forcing Speed and Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1121 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1122 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1123 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1124 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1125 |
/* Check link status. Wait up to 100 microseconds for link to become |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1126 |
* valid. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1127 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1128 |
ret_val = igb_phy_has_link(hw, COPPER_LINK_UP_LIMIT, 10, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1129 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1130 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1131 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1132 |
if (link) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1133 |
hw_dbg("Valid link established!!!\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1134 |
igb_config_collision_dist(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1135 |
ret_val = igb_config_fc_after_link_up(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1136 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1137 |
hw_dbg("Unable to establish link!!!\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1138 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1139 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1140 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1141 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1142 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1143 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1144 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1145 |
* igb_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1146 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1147 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1148 |
* Calls the PHY setup function to force speed and duplex. Clears the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1149 |
* auto-crossover to force MDI manually. Waits for link and returns |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1150 |
* successful if link up is successful, else -E1000_ERR_PHY (-2). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1151 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1152 |
s32 igb_phy_force_speed_duplex_igp(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1153 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1154 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1155 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1156 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1157 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1158 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1159 |
ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1160 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1161 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1162 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1163 |
igb_phy_force_speed_duplex_setup(hw, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1164 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1165 |
ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1166 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1167 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1168 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1169 |
/* Clear Auto-Crossover to force MDI manually. IGP requires MDI |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1170 |
* forced whenever speed and duplex are forced. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1171 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1172 |
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1173 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1174 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1175 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1176 |
phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1177 |
phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1178 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1179 |
ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1180 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1181 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1182 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1183 |
hw_dbg("IGP PSCR: %X\n", phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1184 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1185 |
udelay(1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1186 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1187 |
if (phy->autoneg_wait_to_complete) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1188 |
hw_dbg("Waiting for forced speed/duplex link on IGP phy.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1189 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1190 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 10000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1191 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1192 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1193 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1194 |
if (!link) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1195 |
hw_dbg("Link taking longer than expected.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1196 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1197 |
/* Try once more */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1198 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 10000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1199 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1200 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1201 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1202 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1203 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1204 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1205 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1206 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1207 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1208 |
* igb_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1209 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1210 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1211 |
* Calls the PHY setup function to force speed and duplex. Clears the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1212 |
* auto-crossover to force MDI manually. Resets the PHY to commit the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1213 |
* changes. If time expires while waiting for link up, we reset the DSP. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1214 |
* After reset, TX_CLK and CRS on TX must be set. Return successful upon |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1215 |
* successful completion, else return corresponding error code. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1216 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1217 |
s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1218 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1219 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1220 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1221 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1222 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1223 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1224 |
/* I210 and I211 devices support Auto-Crossover in forced operation. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1225 |
if (phy->type != e1000_phy_i210) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1226 |
/* Clear Auto-Crossover to force MDI manually. M88E1000 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1227 |
* requires MDI forced whenever speed and duplex are forced. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1228 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1229 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1230 |
&phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1231 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1232 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1233 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1234 |
phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1235 |
ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1236 |
phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1237 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1238 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1239 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1240 |
hw_dbg("M88E1000 PSCR: %X\n", phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1241 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1242 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1243 |
ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1244 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1245 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1246 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1247 |
igb_phy_force_speed_duplex_setup(hw, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1248 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1249 |
ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1250 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1251 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1252 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1253 |
/* Reset the phy to commit changes. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1254 |
ret_val = igb_phy_sw_reset(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1255 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1256 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1257 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1258 |
if (phy->autoneg_wait_to_complete) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1259 |
hw_dbg("Waiting for forced speed/duplex link on M88 phy.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1260 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1261 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1262 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1263 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1264 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1265 |
if (!link) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1266 |
bool reset_dsp = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1267 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1268 |
switch (hw->phy.id) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1269 |
case I347AT4_E_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1270 |
case M88E1112_E_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1271 |
case I210_I_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1272 |
reset_dsp = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1273 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1274 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1275 |
if (hw->phy.type != e1000_phy_m88) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1276 |
reset_dsp = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1277 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1278 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1279 |
if (!reset_dsp) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1280 |
hw_dbg("Link taking longer than expected.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1281 |
else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1282 |
/* We didn't get link. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1283 |
* Reset the DSP and cross our fingers. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1284 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1285 |
ret_val = phy->ops.write_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1286 |
M88E1000_PHY_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1287 |
0x001d); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1288 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1289 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1290 |
ret_val = igb_phy_reset_dsp(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1291 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1292 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1293 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1294 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1295 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1296 |
/* Try once more */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1297 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1298 |
100000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1299 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1300 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1301 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1302 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1303 |
if (hw->phy.type != e1000_phy_m88 || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1304 |
hw->phy.id == I347AT4_E_PHY_ID || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1305 |
hw->phy.id == M88E1112_E_PHY_ID || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1306 |
hw->phy.id == I210_I_PHY_ID) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1307 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1308 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1309 |
ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1310 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1311 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1312 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1313 |
/* Resetting the phy means we need to re-force TX_CLK in the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1314 |
* Extended PHY Specific Control Register to 25MHz clock from |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1315 |
* the reset value of 2.5MHz. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1316 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1317 |
phy_data |= M88E1000_EPSCR_TX_CLK_25; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1318 |
ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1319 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1320 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1321 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1322 |
/* In addition, we must re-enable CRS on Tx for both half and full |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1323 |
* duplex. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1324 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1325 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1326 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1327 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1328 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1329 |
phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1330 |
ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1331 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1332 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1333 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1334 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1335 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1336 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1337 |
* igb_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1338 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1339 |
* @phy_ctrl: pointer to current value of PHY_CONTROL |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1340 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1341 |
* Forces speed and duplex on the PHY by doing the following: disable flow |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1342 |
* control, force speed/duplex on the MAC, disable auto speed detection, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1343 |
* disable auto-negotiation, configure duplex, configure speed, configure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1344 |
* the collision distance, write configuration to CTRL register. The |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1345 |
* caller must write to the PHY_CONTROL register for these settings to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1346 |
* take affect. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1347 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1348 |
static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1349 |
u16 *phy_ctrl) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1350 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1351 |
struct e1000_mac_info *mac = &hw->mac; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1352 |
u32 ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1353 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1354 |
/* Turn off flow control when forcing speed/duplex */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1355 |
hw->fc.current_mode = e1000_fc_none; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1356 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1357 |
/* Force speed/duplex on the mac */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1358 |
ctrl = rd32(E1000_CTRL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1359 |
ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1360 |
ctrl &= ~E1000_CTRL_SPD_SEL; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1361 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1362 |
/* Disable Auto Speed Detection */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1363 |
ctrl &= ~E1000_CTRL_ASDE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1364 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1365 |
/* Disable autoneg on the phy */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1366 |
*phy_ctrl &= ~MII_CR_AUTO_NEG_EN; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1367 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1368 |
/* Forcing Full or Half Duplex? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1369 |
if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1370 |
ctrl &= ~E1000_CTRL_FD; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1371 |
*phy_ctrl &= ~MII_CR_FULL_DUPLEX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1372 |
hw_dbg("Half Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1373 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1374 |
ctrl |= E1000_CTRL_FD; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1375 |
*phy_ctrl |= MII_CR_FULL_DUPLEX; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1376 |
hw_dbg("Full Duplex\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1377 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1378 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1379 |
/* Forcing 10mb or 100mb? */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1380 |
if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1381 |
ctrl |= E1000_CTRL_SPD_100; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1382 |
*phy_ctrl |= MII_CR_SPEED_100; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1383 |
*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1384 |
hw_dbg("Forcing 100mb\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1385 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1386 |
ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1387 |
*phy_ctrl |= MII_CR_SPEED_10; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1388 |
*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1389 |
hw_dbg("Forcing 10mb\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1390 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1391 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1392 |
igb_config_collision_dist(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1393 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1394 |
wr32(E1000_CTRL, ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1395 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1396 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1397 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1398 |
* igb_set_d3_lplu_state - Sets low power link up state for D3 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1399 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1400 |
* @active: boolean used to enable/disable lplu |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1401 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1402 |
* Success returns 0, Failure returns 1 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1403 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1404 |
* The low power link up (lplu) state is set to the power management level D3 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1405 |
* and SmartSpeed is disabled when active is true, else clear lplu for D3 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1406 |
* and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1407 |
* is used during Dx states where the power conservation is most important. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1408 |
* During driver activity, SmartSpeed should be enabled so performance is |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1409 |
* maintained. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1410 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1411 |
s32 igb_set_d3_lplu_state(struct e1000_hw *hw, bool active) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1412 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1413 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1414 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1415 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1416 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1417 |
if (!(hw->phy.ops.read_reg)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1418 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1419 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1420 |
ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1421 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1422 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1423 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1424 |
if (!active) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1425 |
data &= ~IGP02E1000_PM_D3_LPLU; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1426 |
ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1427 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1428 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1429 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1430 |
/* LPLU and SmartSpeed are mutually exclusive. LPLU is used |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1431 |
* during Dx states where the power conservation is most |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1432 |
* important. During driver activity we should enable |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1433 |
* SmartSpeed, so performance is maintained. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1434 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1435 |
if (phy->smart_speed == e1000_smart_speed_on) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1436 |
ret_val = phy->ops.read_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1437 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1438 |
&data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1439 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1440 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1441 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1442 |
data |= IGP01E1000_PSCFR_SMART_SPEED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1443 |
ret_val = phy->ops.write_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1444 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1445 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1446 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1447 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1448 |
} else if (phy->smart_speed == e1000_smart_speed_off) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1449 |
ret_val = phy->ops.read_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1450 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1451 |
&data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1452 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1453 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1454 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1455 |
data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1456 |
ret_val = phy->ops.write_reg(hw, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1457 |
IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1458 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1459 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1460 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1461 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1462 |
} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1463 |
(phy->autoneg_advertised == E1000_ALL_NOT_GIG) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1464 |
(phy->autoneg_advertised == E1000_ALL_10_SPEED)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1465 |
data |= IGP02E1000_PM_D3_LPLU; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1466 |
ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1467 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1468 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1469 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1470 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1471 |
/* When LPLU is enabled, we should disable SmartSpeed */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1472 |
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1473 |
&data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1474 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1475 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1476 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1477 |
data &= ~IGP01E1000_PSCFR_SMART_SPEED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1478 |
ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1479 |
data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1480 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1481 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1482 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1483 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1484 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1485 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1486 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1487 |
* igb_check_downshift - Checks whether a downshift in speed occurred |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1488 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1489 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1490 |
* Success returns 0, Failure returns 1 |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1491 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1492 |
* A downshift is detected by querying the PHY link health. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1493 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1494 |
s32 igb_check_downshift(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1495 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1496 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1497 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1498 |
u16 phy_data, offset, mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1499 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1500 |
switch (phy->type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1501 |
case e1000_phy_i210: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1502 |
case e1000_phy_m88: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1503 |
case e1000_phy_gg82563: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1504 |
offset = M88E1000_PHY_SPEC_STATUS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1505 |
mask = M88E1000_PSSR_DOWNSHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1506 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1507 |
case e1000_phy_igp_2: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1508 |
case e1000_phy_igp: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1509 |
case e1000_phy_igp_3: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1510 |
offset = IGP01E1000_PHY_LINK_HEALTH; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1511 |
mask = IGP01E1000_PLHR_SS_DOWNGRADE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1512 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1513 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1514 |
/* speed downshift not supported */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1515 |
phy->speed_downgraded = false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1516 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1517 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1518 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1519 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1520 |
ret_val = phy->ops.read_reg(hw, offset, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1521 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1522 |
if (!ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1523 |
phy->speed_downgraded = (phy_data & mask) ? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1524 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1525 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1526 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1527 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1528 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1529 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1530 |
* igb_check_polarity_m88 - Checks the polarity. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1531 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1532 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1533 |
* Success returns 0, Failure returns -E1000_ERR_PHY (-2) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1534 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1535 |
* Polarity is determined based on the PHY specific status register. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1536 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1537 |
s32 igb_check_polarity_m88(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1538 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1539 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1540 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1541 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1542 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1543 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1544 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1545 |
if (!ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1546 |
phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1547 |
? e1000_rev_polarity_reversed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1548 |
: e1000_rev_polarity_normal; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1549 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1550 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1551 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1552 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1553 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1554 |
* igb_check_polarity_igp - Checks the polarity. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1555 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1556 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1557 |
* Success returns 0, Failure returns -E1000_ERR_PHY (-2) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1558 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1559 |
* Polarity is determined based on the PHY port status register, and the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1560 |
* current speed (since there is no polarity at 100Mbps). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1561 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1562 |
static s32 igb_check_polarity_igp(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1563 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1564 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1565 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1566 |
u16 data, offset, mask; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1567 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1568 |
/* Polarity is determined based on the speed of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1569 |
* our connection. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1570 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1571 |
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1572 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1573 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1574 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1575 |
if ((data & IGP01E1000_PSSR_SPEED_MASK) == |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1576 |
IGP01E1000_PSSR_SPEED_1000MBPS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1577 |
offset = IGP01E1000_PHY_PCS_INIT_REG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1578 |
mask = IGP01E1000_PHY_POLARITY_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1579 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1580 |
/* This really only applies to 10Mbps since |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1581 |
* there is no polarity for 100Mbps (always 0). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1582 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1583 |
offset = IGP01E1000_PHY_PORT_STATUS; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1584 |
mask = IGP01E1000_PSSR_POLARITY_REVERSED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1585 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1586 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1587 |
ret_val = phy->ops.read_reg(hw, offset, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1588 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1589 |
if (!ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1590 |
phy->cable_polarity = (data & mask) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1591 |
? e1000_rev_polarity_reversed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1592 |
: e1000_rev_polarity_normal; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1593 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1594 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1595 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1596 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1597 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1598 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1599 |
* igb_wait_autoneg - Wait for auto-neg completion |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1600 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1601 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1602 |
* Waits for auto-negotiation to complete or for the auto-negotiation time |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1603 |
* limit to expire, which ever happens first. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1604 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1605 |
static s32 igb_wait_autoneg(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1606 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1607 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1608 |
u16 i, phy_status; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1609 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1610 |
/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1611 |
for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1612 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1613 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1614 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1615 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1616 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1617 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1618 |
if (phy_status & MII_SR_AUTONEG_COMPLETE) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1619 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1620 |
msleep(100); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1621 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1622 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1623 |
/* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1624 |
* has completed. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1625 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1626 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1627 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1628 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1629 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1630 |
* igb_phy_has_link - Polls PHY for link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1631 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1632 |
* @iterations: number of times to poll for link |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1633 |
* @usec_interval: delay between polling attempts |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1634 |
* @success: pointer to whether polling was successful or not |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1635 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1636 |
* Polls the PHY status register for link, 'iterations' number of times. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1637 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1638 |
s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1639 |
u32 usec_interval, bool *success) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1640 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1641 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1642 |
u16 i, phy_status; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1643 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1644 |
for (i = 0; i < iterations; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1645 |
/* Some PHYs require the PHY_STATUS register to be read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1646 |
* twice due to the link bit being sticky. No harm doing |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1647 |
* it across the board. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1648 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1649 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1650 |
if (ret_val && usec_interval > 0) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1651 |
/* If the first read fails, another entity may have |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1652 |
* ownership of the resources, wait and try again to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1653 |
* see if they have relinquished the resources yet. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1654 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1655 |
if (usec_interval >= 1000) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1656 |
mdelay(usec_interval/1000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1657 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1658 |
udelay(usec_interval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1659 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1660 |
ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1661 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1662 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1663 |
if (phy_status & MII_SR_LINK_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1664 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1665 |
if (usec_interval >= 1000) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1666 |
mdelay(usec_interval/1000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1667 |
else |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1668 |
udelay(usec_interval); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1669 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1670 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1671 |
*success = (i < iterations) ? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1672 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1673 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1674 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1675 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1676 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1677 |
* igb_get_cable_length_m88 - Determine cable length for m88 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1678 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1679 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1680 |
* Reads the PHY specific status register to retrieve the cable length |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1681 |
* information. The cable length is determined by averaging the minimum and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1682 |
* maximum values to get the "average" cable length. The m88 PHY has four |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1683 |
* possible cable length values, which are: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1684 |
* Register Value Cable Length |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1685 |
* 0 < 50 meters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1686 |
* 1 50 - 80 meters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1687 |
* 2 80 - 110 meters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1688 |
* 3 110 - 140 meters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1689 |
* 4 > 140 meters |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1690 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1691 |
s32 igb_get_cable_length_m88(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1692 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1693 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1694 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1695 |
u16 phy_data, index; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1696 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1697 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1698 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1699 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1700 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1701 |
index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1702 |
M88E1000_PSSR_CABLE_LENGTH_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1703 |
if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1704 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1705 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1706 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1707 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1708 |
phy->min_cable_length = e1000_m88_cable_length_table[index]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1709 |
phy->max_cable_length = e1000_m88_cable_length_table[index + 1]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1710 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1711 |
phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1712 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1713 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1714 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1715 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1716 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1717 |
s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1718 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1719 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1720 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1721 |
u16 phy_data, phy_data2, index, default_page, is_cm; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1722 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1723 |
switch (hw->phy.id) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1724 |
case I210_I_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1725 |
/* Get cable length from PHY Cable Diagnostics Control Reg */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1726 |
ret_val = phy->ops.read_reg(hw, (0x7 << GS40G_PAGE_SHIFT) + |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1727 |
(I347AT4_PCDL + phy->addr), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1728 |
&phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1729 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1730 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1731 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1732 |
/* Check if the unit of cable length is meters or cm */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1733 |
ret_val = phy->ops.read_reg(hw, (0x7 << GS40G_PAGE_SHIFT) + |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1734 |
I347AT4_PCDC, &phy_data2); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1735 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1736 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1737 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1738 |
is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1739 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1740 |
/* Populate the phy structure with cable length in meters */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1741 |
phy->min_cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1742 |
phy->max_cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1743 |
phy->cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1744 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1745 |
case M88E1543_E_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1746 |
case I347AT4_E_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1747 |
/* Remember the original page select and set it to 7 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1748 |
ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1749 |
&default_page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1750 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1751 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1752 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1753 |
ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x07); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1754 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1755 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1756 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1757 |
/* Get cable length from PHY Cable Diagnostics Control Reg */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1758 |
ret_val = phy->ops.read_reg(hw, (I347AT4_PCDL + phy->addr), |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1759 |
&phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1760 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1761 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1762 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1763 |
/* Check if the unit of cable length is meters or cm */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1764 |
ret_val = phy->ops.read_reg(hw, I347AT4_PCDC, &phy_data2); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1765 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1766 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1767 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1768 |
is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1769 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1770 |
/* Populate the phy structure with cable length in meters */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1771 |
phy->min_cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1772 |
phy->max_cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1773 |
phy->cable_length = phy_data / (is_cm ? 100 : 1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1774 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1775 |
/* Reset the page selec to its original value */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1776 |
ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1777 |
default_page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1778 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1779 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1780 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1781 |
case M88E1112_E_PHY_ID: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1782 |
/* Remember the original page select and set it to 5 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1783 |
ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1784 |
&default_page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1785 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1786 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1787 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1788 |
ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x05); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1789 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1790 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1791 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1792 |
ret_val = phy->ops.read_reg(hw, M88E1112_VCT_DSP_DISTANCE, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1793 |
&phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1794 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1795 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1796 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1797 |
index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1798 |
M88E1000_PSSR_CABLE_LENGTH_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1799 |
if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1800 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1801 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1802 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1803 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1804 |
phy->min_cable_length = e1000_m88_cable_length_table[index]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1805 |
phy->max_cable_length = e1000_m88_cable_length_table[index + 1]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1806 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1807 |
phy->cable_length = (phy->min_cable_length + |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1808 |
phy->max_cable_length) / 2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1809 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1810 |
/* Reset the page select to its original value */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1811 |
ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1812 |
default_page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1813 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1814 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1815 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1816 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1817 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1818 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1819 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1820 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1821 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1822 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1823 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1824 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1825 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1826 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1827 |
* igb_get_cable_length_igp_2 - Determine cable length for igp2 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1828 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1829 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1830 |
* The automatic gain control (agc) normalizes the amplitude of the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1831 |
* received signal, adjusting for the attenuation produced by the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1832 |
* cable. By reading the AGC registers, which represent the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1833 |
* combination of coarse and fine gain value, the value can be put |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1834 |
* into a lookup table to obtain the approximate cable length |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1835 |
* for each channel. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1836 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1837 |
s32 igb_get_cable_length_igp_2(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1838 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1839 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1840 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1841 |
u16 phy_data, i, agc_value = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1842 |
u16 cur_agc_index, max_agc_index = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1843 |
u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1844 |
static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1845 |
IGP02E1000_PHY_AGC_A, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1846 |
IGP02E1000_PHY_AGC_B, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1847 |
IGP02E1000_PHY_AGC_C, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1848 |
IGP02E1000_PHY_AGC_D |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1849 |
}; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1850 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1851 |
/* Read the AGC registers for all channels */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1852 |
for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1853 |
ret_val = phy->ops.read_reg(hw, agc_reg_array[i], &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1854 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1855 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1856 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1857 |
/* Getting bits 15:9, which represent the combination of |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1858 |
* coarse and fine gain values. The result is a number |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1859 |
* that can be put into the lookup table to obtain the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1860 |
* approximate cable length. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1861 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1862 |
cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) & |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1863 |
IGP02E1000_AGC_LENGTH_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1864 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1865 |
/* Array index bound check. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1866 |
if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) || |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1867 |
(cur_agc_index == 0)) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1868 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1869 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1870 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1871 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1872 |
/* Remove min & max AGC values from calculation. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1873 |
if (e1000_igp_2_cable_length_table[min_agc_index] > |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1874 |
e1000_igp_2_cable_length_table[cur_agc_index]) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1875 |
min_agc_index = cur_agc_index; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1876 |
if (e1000_igp_2_cable_length_table[max_agc_index] < |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1877 |
e1000_igp_2_cable_length_table[cur_agc_index]) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1878 |
max_agc_index = cur_agc_index; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1879 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1880 |
agc_value += e1000_igp_2_cable_length_table[cur_agc_index]; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1881 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1882 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1883 |
agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] + |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1884 |
e1000_igp_2_cable_length_table[max_agc_index]); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1885 |
agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1886 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1887 |
/* Calculate cable length with the error range of +/- 10 meters. */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1888 |
phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1889 |
(agc_value - IGP02E1000_AGC_RANGE) : 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1890 |
phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1891 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1892 |
phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1893 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1894 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1895 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1896 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1897 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1898 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1899 |
* igb_get_phy_info_m88 - Retrieve PHY information |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1900 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1901 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1902 |
* Valid for only copper links. Read the PHY status register (sticky read) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1903 |
* to verify that link is up. Read the PHY special control register to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1904 |
* determine the polarity and 10base-T extended distance. Read the PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1905 |
* special status register to determine MDI/MDIx and current speed. If |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1906 |
* speed is 1000, then determine cable length, local and remote receiver. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1907 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1908 |
s32 igb_get_phy_info_m88(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1909 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1910 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1911 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1912 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1913 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1914 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1915 |
if (phy->media_type != e1000_media_type_copper) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1916 |
hw_dbg("Phy info is only valid for copper media\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1917 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1918 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1919 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1920 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1921 |
ret_val = igb_phy_has_link(hw, 1, 0, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1922 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1923 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1924 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1925 |
if (!link) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1926 |
hw_dbg("Phy info is only valid if link is up\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1927 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1928 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1929 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1930 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1931 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1932 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1933 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1934 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1935 |
phy->polarity_correction = (phy_data & M88E1000_PSCR_POLARITY_REVERSAL) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1936 |
? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1937 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1938 |
ret_val = igb_check_polarity_m88(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1939 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1940 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1941 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1942 |
ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1943 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1944 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1945 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1946 |
phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX) ? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1947 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1948 |
if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1949 |
ret_val = phy->ops.get_cable_length(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1950 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1951 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1952 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1953 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1954 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1955 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1956 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1957 |
phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1958 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1959 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1960 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1961 |
phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1962 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1963 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1964 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1965 |
/* Set values to "undefined" */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1966 |
phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1967 |
phy->local_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1968 |
phy->remote_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1969 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1970 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1971 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1972 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1973 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1974 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1975 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1976 |
* igb_get_phy_info_igp - Retrieve igp PHY information |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1977 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1978 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1979 |
* Read PHY status to determine if link is up. If link is up, then |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1980 |
* set/determine 10base-T extended distance and polarity correction. Read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1981 |
* PHY port status to determine MDI/MDIx and speed. Based on the speed, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1982 |
* determine on the cable length, local and remote receiver. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1983 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1984 |
s32 igb_get_phy_info_igp(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1985 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1986 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1987 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1988 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1989 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1990 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1991 |
ret_val = igb_phy_has_link(hw, 1, 0, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1992 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1993 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1994 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1995 |
if (!link) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1996 |
hw_dbg("Phy info is only valid if link is up\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1997 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1998 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
1999 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2000 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2001 |
phy->polarity_correction = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2002 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2003 |
ret_val = igb_check_polarity_igp(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2004 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2005 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2006 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2007 |
ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2008 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2009 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2010 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2011 |
phy->is_mdix = (data & IGP01E1000_PSSR_MDIX) ? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2012 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2013 |
if ((data & IGP01E1000_PSSR_SPEED_MASK) == |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2014 |
IGP01E1000_PSSR_SPEED_1000MBPS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2015 |
ret_val = phy->ops.get_cable_length(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2016 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2017 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2018 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2019 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2020 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2021 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2022 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2023 |
phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2024 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2025 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2026 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2027 |
phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2028 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2029 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2030 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2031 |
phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2032 |
phy->local_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2033 |
phy->remote_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2034 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2035 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2036 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2037 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2038 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2039 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2040 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2041 |
* igb_phy_sw_reset - PHY software reset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2042 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2043 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2044 |
* Does a software reset of the PHY by reading the PHY control register and |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2045 |
* setting/write the control register reset bit to the PHY. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2046 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2047 |
s32 igb_phy_sw_reset(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2048 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2049 |
s32 ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2050 |
u16 phy_ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2051 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2052 |
if (!(hw->phy.ops.read_reg)) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2053 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2054 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2055 |
ret_val = hw->phy.ops.read_reg(hw, PHY_CONTROL, &phy_ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2056 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2057 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2058 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2059 |
phy_ctrl |= MII_CR_RESET; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2060 |
ret_val = hw->phy.ops.write_reg(hw, PHY_CONTROL, phy_ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2061 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2062 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2063 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2064 |
udelay(1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2065 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2066 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2067 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2068 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2069 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2070 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2071 |
* igb_phy_hw_reset - PHY hardware reset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2072 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2073 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2074 |
* Verify the reset block is not blocking us from resetting. Acquire |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2075 |
* semaphore (if necessary) and read/set/write the device control reset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2076 |
* bit in the PHY. Wait the appropriate delay time for the device to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2077 |
* reset and release the semaphore (if necessary). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2078 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2079 |
s32 igb_phy_hw_reset(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2080 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2081 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2082 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2083 |
u32 ctrl; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2084 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2085 |
ret_val = igb_check_reset_block(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2086 |
if (ret_val) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2087 |
ret_val = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2088 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2089 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2090 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2091 |
ret_val = phy->ops.acquire(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2092 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2093 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2094 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2095 |
ctrl = rd32(E1000_CTRL); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2096 |
wr32(E1000_CTRL, ctrl | E1000_CTRL_PHY_RST); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2097 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2098 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2099 |
udelay(phy->reset_delay_us); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2100 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2101 |
wr32(E1000_CTRL, ctrl); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2102 |
wrfl(); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2103 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2104 |
udelay(150); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2105 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2106 |
phy->ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2107 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2108 |
ret_val = phy->ops.get_cfg_done(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2109 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2110 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2111 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2112 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2113 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2114 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2115 |
* igb_phy_init_script_igp3 - Inits the IGP3 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2116 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2117 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2118 |
* Initializes a Intel Gigabit PHY3 when an EEPROM is not present. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2119 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2120 |
s32 igb_phy_init_script_igp3(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2121 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2122 |
hw_dbg("Running IGP 3 PHY init script\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2123 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2124 |
/* PHY init IGP 3 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2125 |
/* Enable rise/fall, 10-mode work in class-A */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2126 |
hw->phy.ops.write_reg(hw, 0x2F5B, 0x9018); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2127 |
/* Remove all caps from Replica path filter */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2128 |
hw->phy.ops.write_reg(hw, 0x2F52, 0x0000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2129 |
/* Bias trimming for ADC, AFE and Driver (Default) */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2130 |
hw->phy.ops.write_reg(hw, 0x2FB1, 0x8B24); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2131 |
/* Increase Hybrid poly bias */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2132 |
hw->phy.ops.write_reg(hw, 0x2FB2, 0xF8F0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2133 |
/* Add 4% to TX amplitude in Giga mode */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2134 |
hw->phy.ops.write_reg(hw, 0x2010, 0x10B0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2135 |
/* Disable trimming (TTT) */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2136 |
hw->phy.ops.write_reg(hw, 0x2011, 0x0000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2137 |
/* Poly DC correction to 94.6% + 2% for all channels */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2138 |
hw->phy.ops.write_reg(hw, 0x20DD, 0x249A); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2139 |
/* ABS DC correction to 95.9% */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2140 |
hw->phy.ops.write_reg(hw, 0x20DE, 0x00D3); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2141 |
/* BG temp curve trim */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2142 |
hw->phy.ops.write_reg(hw, 0x28B4, 0x04CE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2143 |
/* Increasing ADC OPAMP stage 1 currents to max */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2144 |
hw->phy.ops.write_reg(hw, 0x2F70, 0x29E4); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2145 |
/* Force 1000 ( required for enabling PHY regs configuration) */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2146 |
hw->phy.ops.write_reg(hw, 0x0000, 0x0140); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2147 |
/* Set upd_freq to 6 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2148 |
hw->phy.ops.write_reg(hw, 0x1F30, 0x1606); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2149 |
/* Disable NPDFE */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2150 |
hw->phy.ops.write_reg(hw, 0x1F31, 0xB814); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2151 |
/* Disable adaptive fixed FFE (Default) */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2152 |
hw->phy.ops.write_reg(hw, 0x1F35, 0x002A); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2153 |
/* Enable FFE hysteresis */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2154 |
hw->phy.ops.write_reg(hw, 0x1F3E, 0x0067); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2155 |
/* Fixed FFE for short cable lengths */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2156 |
hw->phy.ops.write_reg(hw, 0x1F54, 0x0065); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2157 |
/* Fixed FFE for medium cable lengths */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2158 |
hw->phy.ops.write_reg(hw, 0x1F55, 0x002A); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2159 |
/* Fixed FFE for long cable lengths */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2160 |
hw->phy.ops.write_reg(hw, 0x1F56, 0x002A); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2161 |
/* Enable Adaptive Clip Threshold */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2162 |
hw->phy.ops.write_reg(hw, 0x1F72, 0x3FB0); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2163 |
/* AHT reset limit to 1 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2164 |
hw->phy.ops.write_reg(hw, 0x1F76, 0xC0FF); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2165 |
/* Set AHT master delay to 127 msec */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2166 |
hw->phy.ops.write_reg(hw, 0x1F77, 0x1DEC); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2167 |
/* Set scan bits for AHT */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2168 |
hw->phy.ops.write_reg(hw, 0x1F78, 0xF9EF); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2169 |
/* Set AHT Preset bits */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2170 |
hw->phy.ops.write_reg(hw, 0x1F79, 0x0210); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2171 |
/* Change integ_factor of channel A to 3 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2172 |
hw->phy.ops.write_reg(hw, 0x1895, 0x0003); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2173 |
/* Change prop_factor of channels BCD to 8 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2174 |
hw->phy.ops.write_reg(hw, 0x1796, 0x0008); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2175 |
/* Change cg_icount + enable integbp for channels BCD */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2176 |
hw->phy.ops.write_reg(hw, 0x1798, 0xD008); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2177 |
/* Change cg_icount + enable integbp + change prop_factor_master |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2178 |
* to 8 for channel A |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2179 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2180 |
hw->phy.ops.write_reg(hw, 0x1898, 0xD918); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2181 |
/* Disable AHT in Slave mode on channel A */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2182 |
hw->phy.ops.write_reg(hw, 0x187A, 0x0800); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2183 |
/* Enable LPLU and disable AN to 1000 in non-D0a states, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2184 |
* Enable SPD+B2B |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2185 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2186 |
hw->phy.ops.write_reg(hw, 0x0019, 0x008D); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2187 |
/* Enable restart AN on an1000_dis change */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2188 |
hw->phy.ops.write_reg(hw, 0x001B, 0x2080); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2189 |
/* Enable wh_fifo read clock in 10/100 modes */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2190 |
hw->phy.ops.write_reg(hw, 0x0014, 0x0045); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2191 |
/* Restart AN, Speed selection is 1000 */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2192 |
hw->phy.ops.write_reg(hw, 0x0000, 0x1340); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2193 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2194 |
return 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2195 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2196 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2197 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2198 |
* igb_power_up_phy_copper - Restore copper link in case of PHY power down |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2199 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2200 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2201 |
* In the case of a PHY power down to save power, or to turn off link during a |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2202 |
* driver unload, restore the link to previous settings. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2203 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2204 |
void igb_power_up_phy_copper(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2205 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2206 |
u16 mii_reg = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2207 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2208 |
/* The PHY will retain its settings across a power down/up cycle */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2209 |
hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2210 |
mii_reg &= ~MII_CR_POWER_DOWN; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2211 |
hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2212 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2213 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2214 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2215 |
* igb_power_down_phy_copper - Power down copper PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2216 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2217 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2218 |
* Power down PHY to save power when interface is down and wake on lan |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2219 |
* is not enabled. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2220 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2221 |
void igb_power_down_phy_copper(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2222 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2223 |
u16 mii_reg = 0; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2224 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2225 |
/* The PHY will retain its settings across a power down/up cycle */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2226 |
hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2227 |
mii_reg |= MII_CR_POWER_DOWN; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2228 |
hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2229 |
usleep_range(1000, 2000); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2230 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2231 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2232 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2233 |
* igb_check_polarity_82580 - Checks the polarity. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2234 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2235 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2236 |
* Success returns 0, Failure returns -E1000_ERR_PHY (-2) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2237 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2238 |
* Polarity is determined based on the PHY specific status register. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2239 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2240 |
static s32 igb_check_polarity_82580(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2241 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2242 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2243 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2244 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2245 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2246 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2247 |
ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2248 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2249 |
if (!ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2250 |
phy->cable_polarity = (data & I82580_PHY_STATUS2_REV_POLARITY) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2251 |
? e1000_rev_polarity_reversed |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2252 |
: e1000_rev_polarity_normal; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2253 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2254 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2255 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2256 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2257 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2258 |
* igb_phy_force_speed_duplex_82580 - Force speed/duplex for I82580 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2259 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2260 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2261 |
* Calls the PHY setup function to force speed and duplex. Clears the |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2262 |
* auto-crossover to force MDI manually. Waits for link and returns |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2263 |
* successful if link up is successful, else -E1000_ERR_PHY (-2). |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2264 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2265 |
s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2266 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2267 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2268 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2269 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2270 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2271 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2272 |
ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2273 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2274 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2275 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2276 |
igb_phy_force_speed_duplex_setup(hw, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2277 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2278 |
ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2279 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2280 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2281 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2282 |
/* Clear Auto-Crossover to force MDI manually. 82580 requires MDI |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2283 |
* forced whenever speed and duplex are forced. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2284 |
*/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2285 |
ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2286 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2287 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2288 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2289 |
phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2290 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2291 |
ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2292 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2293 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2294 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2295 |
hw_dbg("I82580_PHY_CTRL_2: %X\n", phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2296 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2297 |
udelay(1); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2298 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2299 |
if (phy->autoneg_wait_to_complete) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2300 |
hw_dbg("Waiting for forced speed/duplex link on 82580 phy\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2301 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2302 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2303 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2304 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2305 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2306 |
if (!link) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2307 |
hw_dbg("Link taking longer than expected.\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2308 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2309 |
/* Try once more */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2310 |
ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2311 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2312 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2313 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2314 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2315 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2316 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2317 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2318 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2319 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2320 |
* igb_get_phy_info_82580 - Retrieve I82580 PHY information |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2321 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2322 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2323 |
* Read PHY status to determine if link is up. If link is up, then |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2324 |
* set/determine 10base-T extended distance and polarity correction. Read |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2325 |
* PHY port status to determine MDI/MDIx and speed. Based on the speed, |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2326 |
* determine on the cable length, local and remote receiver. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2327 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2328 |
s32 igb_get_phy_info_82580(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2329 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2330 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2331 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2332 |
u16 data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2333 |
bool link; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2334 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2335 |
ret_val = igb_phy_has_link(hw, 1, 0, &link); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2336 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2337 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2338 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2339 |
if (!link) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2340 |
hw_dbg("Phy info is only valid if link is up\n"); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2341 |
ret_val = -E1000_ERR_CONFIG; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2342 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2343 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2344 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2345 |
phy->polarity_correction = true; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2346 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2347 |
ret_val = igb_check_polarity_82580(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2348 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2349 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2350 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2351 |
ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2352 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2353 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2354 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2355 |
phy->is_mdix = (data & I82580_PHY_STATUS2_MDIX) ? true : false; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2356 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2357 |
if ((data & I82580_PHY_STATUS2_SPEED_MASK) == |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2358 |
I82580_PHY_STATUS2_SPEED_1000MBPS) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2359 |
ret_val = hw->phy.ops.get_cable_length(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2360 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2361 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2362 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2363 |
ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2364 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2365 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2366 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2367 |
phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2368 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2369 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2370 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2371 |
phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2372 |
? e1000_1000t_rx_status_ok |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2373 |
: e1000_1000t_rx_status_not_ok; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2374 |
} else { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2375 |
phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2376 |
phy->local_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2377 |
phy->remote_rx = e1000_1000t_rx_status_undefined; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2378 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2379 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2380 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2381 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2382 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2383 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2384 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2385 |
* igb_get_cable_length_82580 - Determine cable length for 82580 PHY |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2386 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2387 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2388 |
* Reads the diagnostic status register and verifies result is valid before |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2389 |
* placing it in the phy_cable_length field. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2390 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2391 |
s32 igb_get_cable_length_82580(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2392 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2393 |
struct e1000_phy_info *phy = &hw->phy; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2394 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2395 |
u16 phy_data, length; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2396 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2397 |
ret_val = phy->ops.read_reg(hw, I82580_PHY_DIAG_STATUS, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2398 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2399 |
goto out; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2400 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2401 |
length = (phy_data & I82580_DSTATUS_CABLE_LENGTH) >> |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2402 |
I82580_DSTATUS_CABLE_LENGTH_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2403 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2404 |
if (length == E1000_CABLE_LENGTH_UNDEFINED) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2405 |
ret_val = -E1000_ERR_PHY; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2406 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2407 |
phy->cable_length = length; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2408 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2409 |
out: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2410 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2411 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2412 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2413 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2414 |
* igb_write_phy_reg_gs40g - Write GS40G PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2415 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2416 |
* @offset: lower half is register offset to write to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2417 |
* upper half is page to use. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2418 |
* @data: data to write at register offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2419 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2420 |
* Acquires semaphore, if necessary, then writes the data to PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2421 |
* at the offset. Release any acquired semaphores before exiting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2422 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2423 |
s32 igb_write_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2424 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2425 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2426 |
u16 page = offset >> GS40G_PAGE_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2427 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2428 |
offset = offset & GS40G_OFFSET_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2429 |
ret_val = hw->phy.ops.acquire(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2430 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2431 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2432 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2433 |
ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2434 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2435 |
goto release; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2436 |
ret_val = igb_write_phy_reg_mdic(hw, offset, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2437 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2438 |
release: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2439 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2440 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2441 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2442 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2443 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2444 |
* igb_read_phy_reg_gs40g - Read GS40G PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2445 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2446 |
* @offset: lower half is register offset to read to |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2447 |
* upper half is page to use. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2448 |
* @data: data to read at register offset |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2449 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2450 |
* Acquires semaphore, if necessary, then reads the data in the PHY register |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2451 |
* at the offset. Release any acquired semaphores before exiting. |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2452 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2453 |
s32 igb_read_phy_reg_gs40g(struct e1000_hw *hw, u32 offset, u16 *data) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2454 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2455 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2456 |
u16 page = offset >> GS40G_PAGE_SHIFT; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2457 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2458 |
offset = offset & GS40G_OFFSET_MASK; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2459 |
ret_val = hw->phy.ops.acquire(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2460 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2461 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2462 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2463 |
ret_val = igb_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, page); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2464 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2465 |
goto release; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2466 |
ret_val = igb_read_phy_reg_mdic(hw, offset, data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2467 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2468 |
release: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2469 |
hw->phy.ops.release(hw); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2470 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2471 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2472 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2473 |
/** |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2474 |
* igb_set_master_slave_mode - Setup PHY for Master/slave mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2475 |
* @hw: pointer to the HW structure |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2476 |
* |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2477 |
* Sets up Master/slave mode |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2478 |
**/ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2479 |
static s32 igb_set_master_slave_mode(struct e1000_hw *hw) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2480 |
{ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2481 |
s32 ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2482 |
u16 phy_data; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2483 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2484 |
/* Resolve Master/Slave mode */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2485 |
ret_val = hw->phy.ops.read_reg(hw, PHY_1000T_CTRL, &phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2486 |
if (ret_val) |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2487 |
return ret_val; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2488 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2489 |
/* load defaults for future use */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2490 |
hw->phy.original_ms_type = (phy_data & CR_1000T_MS_ENABLE) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2491 |
((phy_data & CR_1000T_MS_VALUE) ? |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2492 |
e1000_ms_force_master : |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2493 |
e1000_ms_force_slave) : e1000_ms_auto; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2494 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2495 |
switch (hw->phy.ms_type) { |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2496 |
case e1000_ms_force_master: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2497 |
phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2498 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2499 |
case e1000_ms_force_slave: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2500 |
phy_data |= CR_1000T_MS_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2501 |
phy_data &= ~(CR_1000T_MS_VALUE); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2502 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2503 |
case e1000_ms_auto: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2504 |
phy_data &= ~CR_1000T_MS_ENABLE; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2505 |
/* fall-through */ |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2506 |
default: |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2507 |
break; |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2508 |
} |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2509 |
|
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2510 |
return hw->phy.ops.write_reg(hw, PHY_1000T_CTRL, phy_data); |
740291442c05
Added clean igb driver from kernel 3.18 (no EtherCAT yet).
Florian Pose <fp@igh.de>
parents:
diff
changeset
|
2511 |
} |