author | Dave Page <dave.page@gleeble.com> |
Thu, 02 Apr 2015 16:49:36 -0400 | |
changeset 2611 | f09b0623a2c1 |
parent 2589 | 2b9c78543663 |
permissions | -rw-r--r-- |
2589
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1 |
/******************************************************************************* |
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2 |
|
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3 |
Intel PRO/1000 Linux driver |
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4 |
Copyright(c) 1999 - 2013 Intel Corporation. |
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5 |
|
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6 |
This program is free software; you can redistribute it and/or modify it |
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7 |
under the terms and conditions of the GNU General Public License, |
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8 |
version 2, as published by the Free Software Foundation. |
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9 |
|
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10 |
This program is distributed in the hope it will be useful, but WITHOUT |
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11 |
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 |
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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13 |
more details. |
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14 |
|
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15 |
You should have received a copy of the GNU General Public License along with |
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16 |
this program; if not, write to the Free Software Foundation, Inc., |
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17 |
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
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18 |
|
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19 |
The full GNU General Public License is included in this distribution in |
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20 |
the file called "COPYING". |
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21 |
|
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22 |
Contact Information: |
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23 |
Linux NICS <linux.nics@intel.com> |
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24 |
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> |
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25 |
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
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26 |
|
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27 |
*******************************************************************************/ |
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28 |
|
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29 |
#include "e1000-3.12-ethercat.h" |
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|
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/** |
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* e1000_raise_eec_clk - Raise EEPROM clock |
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* @hw: pointer to the HW structure |
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* @eecd: pointer to the EEPROM |
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35 |
* |
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36 |
* Enable/Raise the EEPROM clock bit. |
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37 |
**/ |
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38 |
static void e1000_raise_eec_clk(struct e1000_hw *hw, u32 *eecd) |
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39 |
{ |
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*eecd = *eecd | E1000_EECD_SK; |
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41 |
ew32(EECD, *eecd); |
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42 |
e1e_flush(); |
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43 |
udelay(hw->nvm.delay_usec); |
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44 |
} |
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45 |
|
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46 |
/** |
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* e1000_lower_eec_clk - Lower EEPROM clock |
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* @hw: pointer to the HW structure |
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49 |
* @eecd: pointer to the EEPROM |
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50 |
* |
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* Clear/Lower the EEPROM clock bit. |
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52 |
**/ |
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53 |
static void e1000_lower_eec_clk(struct e1000_hw *hw, u32 *eecd) |
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54 |
{ |
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*eecd = *eecd & ~E1000_EECD_SK; |
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ew32(EECD, *eecd); |
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57 |
e1e_flush(); |
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udelay(hw->nvm.delay_usec); |
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59 |
} |
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60 |
|
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61 |
/** |
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62 |
* e1000_shift_out_eec_bits - Shift data bits our to the EEPROM |
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* @hw: pointer to the HW structure |
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* @data: data to send to the EEPROM |
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* @count: number of bits to shift out |
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66 |
* |
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* We need to shift 'count' bits out to the EEPROM. So, the value in the |
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* "data" parameter will be shifted out to the EEPROM one bit at a time. |
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* In order to do this, "data" must be broken down into bits. |
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70 |
**/ |
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static void e1000_shift_out_eec_bits(struct e1000_hw *hw, u16 data, u16 count) |
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{ |
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struct e1000_nvm_info *nvm = &hw->nvm; |
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u32 eecd = er32(EECD); |
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75 |
u32 mask; |
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|
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mask = 0x01 << (count - 1); |
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if (nvm->type == e1000_nvm_eeprom_spi) |
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eecd |= E1000_EECD_DO; |
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|
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do { |
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eecd &= ~E1000_EECD_DI; |
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83 |
|
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if (data & mask) |
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85 |
eecd |= E1000_EECD_DI; |
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86 |
|
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ew32(EECD, eecd); |
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e1e_flush(); |
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|
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udelay(nvm->delay_usec); |
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91 |
|
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e1000_raise_eec_clk(hw, &eecd); |
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93 |
e1000_lower_eec_clk(hw, &eecd); |
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94 |
|
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mask >>= 1; |
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96 |
} while (mask); |
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97 |
|
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98 |
eecd &= ~E1000_EECD_DI; |
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99 |
ew32(EECD, eecd); |
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100 |
} |
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101 |
|
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102 |
/** |
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103 |
* e1000_shift_in_eec_bits - Shift data bits in from the EEPROM |
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104 |
* @hw: pointer to the HW structure |
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105 |
* @count: number of bits to shift in |
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106 |
* |
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107 |
* In order to read a register from the EEPROM, we need to shift 'count' bits |
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108 |
* in from the EEPROM. Bits are "shifted in" by raising the clock input to |
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109 |
* the EEPROM (setting the SK bit), and then reading the value of the data out |
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110 |
* "DO" bit. During this "shifting in" process the data in "DI" bit should |
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111 |
* always be clear. |
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112 |
**/ |
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113 |
static u16 e1000_shift_in_eec_bits(struct e1000_hw *hw, u16 count) |
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114 |
{ |
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115 |
u32 eecd; |
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116 |
u32 i; |
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117 |
u16 data; |
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118 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
119 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
120 |
eecd &= ~(E1000_EECD_DO | E1000_EECD_DI); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
121 |
data = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
122 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
123 |
for (i = 0; i < count; i++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
124 |
data <<= 1; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
125 |
e1000_raise_eec_clk(hw, &eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
126 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
127 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
128 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
129 |
eecd &= ~E1000_EECD_DI; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
130 |
if (eecd & E1000_EECD_DO) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
131 |
data |= 1; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
132 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
133 |
e1000_lower_eec_clk(hw, &eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
134 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
135 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
136 |
return data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
137 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
138 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
139 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
140 |
* e1000e_poll_eerd_eewr_done - Poll for EEPROM read/write completion |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
141 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
142 |
* @ee_reg: EEPROM flag for polling |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
143 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
144 |
* Polls the EEPROM status bit for either read or write completion based |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
145 |
* upon the value of 'ee_reg'. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
146 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
147 |
s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
148 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
149 |
u32 attempts = 100000; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
150 |
u32 i, reg = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
151 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
152 |
for (i = 0; i < attempts; i++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
153 |
if (ee_reg == E1000_NVM_POLL_READ) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
154 |
reg = er32(EERD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
155 |
else |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
156 |
reg = er32(EEWR); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
157 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
158 |
if (reg & E1000_NVM_RW_REG_DONE) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
159 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
160 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
161 |
udelay(5); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
162 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
163 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
164 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
165 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
166 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
167 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
168 |
* e1000e_acquire_nvm - Generic request for access to EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
169 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
170 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
171 |
* Set the EEPROM access request bit and wait for EEPROM access grant bit. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
172 |
* Return successful if access grant bit set, else clear the request for |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
173 |
* EEPROM access and return -E1000_ERR_NVM (-1). |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
174 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
175 |
s32 e1000e_acquire_nvm(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
176 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
177 |
u32 eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
178 |
s32 timeout = E1000_NVM_GRANT_ATTEMPTS; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
179 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
180 |
ew32(EECD, eecd | E1000_EECD_REQ); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
181 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
182 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
183 |
while (timeout) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
184 |
if (eecd & E1000_EECD_GNT) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
185 |
break; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
186 |
udelay(5); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
187 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
188 |
timeout--; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
189 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
190 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
191 |
if (!timeout) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
192 |
eecd &= ~E1000_EECD_REQ; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
193 |
ew32(EECD, eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
194 |
e_dbg("Could not acquire NVM grant\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
195 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
196 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
197 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
198 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
199 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
200 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
201 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
202 |
* e1000_standby_nvm - Return EEPROM to standby state |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
203 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
204 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
205 |
* Return the EEPROM to a standby state. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
206 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
207 |
static void e1000_standby_nvm(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
208 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
209 |
struct e1000_nvm_info *nvm = &hw->nvm; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
210 |
u32 eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
211 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
212 |
if (nvm->type == e1000_nvm_eeprom_spi) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
213 |
/* Toggle CS to flush commands */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
214 |
eecd |= E1000_EECD_CS; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
215 |
ew32(EECD, eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
216 |
e1e_flush(); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
217 |
udelay(nvm->delay_usec); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
218 |
eecd &= ~E1000_EECD_CS; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
219 |
ew32(EECD, eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
220 |
e1e_flush(); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
221 |
udelay(nvm->delay_usec); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
222 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
223 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
224 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
225 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
226 |
* e1000_stop_nvm - Terminate EEPROM command |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
227 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
228 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
229 |
* Terminates the current command by inverting the EEPROM's chip select pin. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
230 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
231 |
static void e1000_stop_nvm(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
232 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
233 |
u32 eecd; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
234 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
235 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
236 |
if (hw->nvm.type == e1000_nvm_eeprom_spi) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
237 |
/* Pull CS high */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
238 |
eecd |= E1000_EECD_CS; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
239 |
e1000_lower_eec_clk(hw, &eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
240 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
241 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
242 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
243 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
244 |
* e1000e_release_nvm - Release exclusive access to EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
245 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
246 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
247 |
* Stop any current commands to the EEPROM and clear the EEPROM request bit. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
248 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
249 |
void e1000e_release_nvm(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
250 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
251 |
u32 eecd; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
252 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
253 |
e1000_stop_nvm(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
254 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
255 |
eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
256 |
eecd &= ~E1000_EECD_REQ; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
257 |
ew32(EECD, eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
258 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
259 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
260 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
261 |
* e1000_ready_nvm_eeprom - Prepares EEPROM for read/write |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
262 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
263 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
264 |
* Setups the EEPROM for reading and writing. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
265 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
266 |
static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
267 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
268 |
struct e1000_nvm_info *nvm = &hw->nvm; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
269 |
u32 eecd = er32(EECD); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
270 |
u8 spi_stat_reg; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
271 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
272 |
if (nvm->type == e1000_nvm_eeprom_spi) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
273 |
u16 timeout = NVM_MAX_RETRY_SPI; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
274 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
275 |
/* Clear SK and CS */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
276 |
eecd &= ~(E1000_EECD_CS | E1000_EECD_SK); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
277 |
ew32(EECD, eecd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
278 |
e1e_flush(); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
279 |
udelay(1); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
280 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
281 |
/* Read "Status Register" repeatedly until the LSB is cleared. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
282 |
* The EEPROM will signal that the command has been completed |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
283 |
* by clearing bit 0 of the internal status register. If it's |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
284 |
* not cleared within 'timeout', then error out. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
285 |
*/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
286 |
while (timeout) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
287 |
e1000_shift_out_eec_bits(hw, NVM_RDSR_OPCODE_SPI, |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
288 |
hw->nvm.opcode_bits); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
289 |
spi_stat_reg = (u8)e1000_shift_in_eec_bits(hw, 8); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
290 |
if (!(spi_stat_reg & NVM_STATUS_RDY_SPI)) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
291 |
break; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
292 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
293 |
udelay(5); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
294 |
e1000_standby_nvm(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
295 |
timeout--; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
296 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
297 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
298 |
if (!timeout) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
299 |
e_dbg("SPI NVM Status error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
300 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
301 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
302 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
303 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
304 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
305 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
306 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
307 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
308 |
* e1000e_read_nvm_eerd - Reads EEPROM using EERD register |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
309 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
310 |
* @offset: offset of word in the EEPROM to read |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
311 |
* @words: number of words to read |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
312 |
* @data: word read from the EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
313 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
314 |
* Reads a 16 bit word from the EEPROM using the EERD register. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
315 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
316 |
s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
317 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
318 |
struct e1000_nvm_info *nvm = &hw->nvm; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
319 |
u32 i, eerd = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
320 |
s32 ret_val = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
321 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
322 |
/* A check for invalid values: offset too large, too many words, |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
323 |
* too many words for the offset, and not enough words. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
324 |
*/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
325 |
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
326 |
(words == 0)) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
327 |
e_dbg("nvm parameter(s) out of bounds\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
328 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
329 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
330 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
331 |
for (i = 0; i < words; i++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
332 |
eerd = ((offset + i) << E1000_NVM_RW_ADDR_SHIFT) + |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
333 |
E1000_NVM_RW_REG_START; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
334 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
335 |
ew32(EERD, eerd); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
336 |
ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_READ); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
337 |
if (ret_val) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
338 |
break; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
339 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
340 |
data[i] = (er32(EERD) >> E1000_NVM_RW_REG_DATA); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
341 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
342 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
343 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
344 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
345 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
346 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
347 |
* e1000e_write_nvm_spi - Write to EEPROM using SPI |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
348 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
349 |
* @offset: offset within the EEPROM to be written to |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
350 |
* @words: number of words to write |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
351 |
* @data: 16 bit word(s) to be written to the EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
352 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
353 |
* Writes data to EEPROM at offset using SPI interface. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
354 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
355 |
* If e1000e_update_nvm_checksum is not called after this function , the |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
356 |
* EEPROM will most likely contain an invalid checksum. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
357 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
358 |
s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
359 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
360 |
struct e1000_nvm_info *nvm = &hw->nvm; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
361 |
s32 ret_val = -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
362 |
u16 widx = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
363 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
364 |
/* A check for invalid values: offset too large, too many words, |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
365 |
* and not enough words. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
366 |
*/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
367 |
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) || |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
368 |
(words == 0)) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
369 |
e_dbg("nvm parameter(s) out of bounds\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
370 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
371 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
372 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
373 |
while (widx < words) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
374 |
u8 write_opcode = NVM_WRITE_OPCODE_SPI; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
375 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
376 |
ret_val = nvm->ops.acquire(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
377 |
if (ret_val) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
378 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
379 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
380 |
ret_val = e1000_ready_nvm_eeprom(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
381 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
382 |
nvm->ops.release(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
383 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
384 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
385 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
386 |
e1000_standby_nvm(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
387 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
388 |
/* Send the WRITE ENABLE command (8 bit opcode) */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
389 |
e1000_shift_out_eec_bits(hw, NVM_WREN_OPCODE_SPI, |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
390 |
nvm->opcode_bits); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
391 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
392 |
e1000_standby_nvm(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
393 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
394 |
/* Some SPI eeproms use the 8th address bit embedded in the |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
395 |
* opcode |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
396 |
*/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
397 |
if ((nvm->address_bits == 8) && (offset >= 128)) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
398 |
write_opcode |= NVM_A8_OPCODE_SPI; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
399 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
400 |
/* Send the Write command (8-bit opcode + addr) */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
401 |
e1000_shift_out_eec_bits(hw, write_opcode, nvm->opcode_bits); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
402 |
e1000_shift_out_eec_bits(hw, (u16)((offset + widx) * 2), |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
403 |
nvm->address_bits); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
404 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
405 |
/* Loop to allow for up to whole page write of eeprom */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
406 |
while (widx < words) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
407 |
u16 word_out = data[widx]; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
408 |
word_out = (word_out >> 8) | (word_out << 8); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
409 |
e1000_shift_out_eec_bits(hw, word_out, 16); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
410 |
widx++; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
411 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
412 |
if ((((offset + widx) * 2) % nvm->page_size) == 0) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
413 |
e1000_standby_nvm(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
414 |
break; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
415 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
416 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
417 |
usleep_range(10000, 20000); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
418 |
nvm->ops.release(hw); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
419 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
420 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
421 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
422 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
423 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
424 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
425 |
* e1000_read_pba_string_generic - Read device part number |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
426 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
427 |
* @pba_num: pointer to device part number |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
428 |
* @pba_num_size: size of part number buffer |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
429 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
430 |
* Reads the product board assembly (PBA) number from the EEPROM and stores |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
431 |
* the value in pba_num. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
432 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
433 |
s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num, |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
434 |
u32 pba_num_size) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
435 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
436 |
s32 ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
437 |
u16 nvm_data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
438 |
u16 pba_ptr; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
439 |
u16 offset; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
440 |
u16 length; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
441 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
442 |
if (pba_num == NULL) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
443 |
e_dbg("PBA string buffer was null\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
444 |
return -E1000_ERR_INVALID_ARGUMENT; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
445 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
446 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
447 |
ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_0, 1, &nvm_data); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
448 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
449 |
e_dbg("NVM Read Error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
450 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
451 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
452 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
453 |
ret_val = e1000_read_nvm(hw, NVM_PBA_OFFSET_1, 1, &pba_ptr); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
454 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
455 |
e_dbg("NVM Read Error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
456 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
457 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
458 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
459 |
/* if nvm_data is not ptr guard the PBA must be in legacy format which |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
460 |
* means pba_ptr is actually our second data word for the PBA number |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
461 |
* and we can decode it into an ascii string |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
462 |
*/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
463 |
if (nvm_data != NVM_PBA_PTR_GUARD) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
464 |
e_dbg("NVM PBA number is not stored as string\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
465 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
466 |
/* make sure callers buffer is big enough to store the PBA */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
467 |
if (pba_num_size < E1000_PBANUM_LENGTH) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
468 |
e_dbg("PBA string buffer too small\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
469 |
return E1000_ERR_NO_SPACE; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
470 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
471 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
472 |
/* extract hex string from data and pba_ptr */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
473 |
pba_num[0] = (nvm_data >> 12) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
474 |
pba_num[1] = (nvm_data >> 8) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
475 |
pba_num[2] = (nvm_data >> 4) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
476 |
pba_num[3] = nvm_data & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
477 |
pba_num[4] = (pba_ptr >> 12) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
478 |
pba_num[5] = (pba_ptr >> 8) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
479 |
pba_num[6] = '-'; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
480 |
pba_num[7] = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
481 |
pba_num[8] = (pba_ptr >> 4) & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
482 |
pba_num[9] = pba_ptr & 0xF; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
483 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
484 |
/* put a null character on the end of our string */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
485 |
pba_num[10] = '\0'; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
486 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
487 |
/* switch all the data but the '-' to hex char */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
488 |
for (offset = 0; offset < 10; offset++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
489 |
if (pba_num[offset] < 0xA) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
490 |
pba_num[offset] += '0'; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
491 |
else if (pba_num[offset] < 0x10) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
492 |
pba_num[offset] += 'A' - 0xA; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
493 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
494 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
495 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
496 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
497 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
498 |
ret_val = e1000_read_nvm(hw, pba_ptr, 1, &length); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
499 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
500 |
e_dbg("NVM Read Error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
501 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
502 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
503 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
504 |
if (length == 0xFFFF || length == 0) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
505 |
e_dbg("NVM PBA number section invalid length\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
506 |
return -E1000_ERR_NVM_PBA_SECTION; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
507 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
508 |
/* check if pba_num buffer is big enough */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
509 |
if (pba_num_size < (((u32)length * 2) - 1)) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
510 |
e_dbg("PBA string buffer too small\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
511 |
return -E1000_ERR_NO_SPACE; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
512 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
513 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
514 |
/* trim pba length from start of string */ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
515 |
pba_ptr++; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
516 |
length--; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
517 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
518 |
for (offset = 0; offset < length; offset++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
519 |
ret_val = e1000_read_nvm(hw, pba_ptr + offset, 1, &nvm_data); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
520 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
521 |
e_dbg("NVM Read Error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
522 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
523 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
524 |
pba_num[offset * 2] = (u8)(nvm_data >> 8); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
525 |
pba_num[(offset * 2) + 1] = (u8)(nvm_data & 0xFF); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
526 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
527 |
pba_num[offset * 2] = '\0'; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
528 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
529 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
530 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
531 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
532 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
533 |
* e1000_read_mac_addr_generic - Read device MAC address |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
534 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
535 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
536 |
* Reads the device MAC address from the EEPROM and stores the value. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
537 |
* Since devices with two ports use the same EEPROM, we increment the |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
538 |
* last bit in the MAC address for the second port. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
539 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
540 |
s32 e1000_read_mac_addr_generic(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
541 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
542 |
u32 rar_high; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
543 |
u32 rar_low; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
544 |
u16 i; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
545 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
546 |
rar_high = er32(RAH(0)); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
547 |
rar_low = er32(RAL(0)); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
548 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
549 |
for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
550 |
hw->mac.perm_addr[i] = (u8)(rar_low >> (i * 8)); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
551 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
552 |
for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
553 |
hw->mac.perm_addr[i + 4] = (u8)(rar_high >> (i * 8)); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
554 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
555 |
for (i = 0; i < ETH_ALEN; i++) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
556 |
hw->mac.addr[i] = hw->mac.perm_addr[i]; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
557 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
558 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
559 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
560 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
561 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
562 |
* e1000e_validate_nvm_checksum_generic - Validate EEPROM checksum |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
563 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
564 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
565 |
* Calculates the EEPROM checksum by reading/adding each word of the EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
566 |
* and then verifies that the sum of the EEPROM is equal to 0xBABA. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
567 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
568 |
s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
569 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
570 |
s32 ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
571 |
u16 checksum = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
572 |
u16 i, nvm_data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
573 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
574 |
for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
575 |
ret_val = e1000_read_nvm(hw, i, 1, &nvm_data); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
576 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
577 |
e_dbg("NVM Read Error\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
578 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
579 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
580 |
checksum += nvm_data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
581 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
582 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
583 |
if (checksum != (u16)NVM_SUM) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
584 |
e_dbg("NVM Checksum Invalid\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
585 |
return -E1000_ERR_NVM; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
586 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
587 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
588 |
return 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
589 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
590 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
591 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
592 |
* e1000e_update_nvm_checksum_generic - Update EEPROM checksum |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
593 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
594 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
595 |
* Updates the EEPROM checksum by reading/adding each word of the EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
596 |
* up to the checksum. Then calculates the EEPROM checksum and writes the |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
597 |
* value to the EEPROM. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
598 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
599 |
s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
600 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
601 |
s32 ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
602 |
u16 checksum = 0; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
603 |
u16 i, nvm_data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
604 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
605 |
for (i = 0; i < NVM_CHECKSUM_REG; i++) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
606 |
ret_val = e1000_read_nvm(hw, i, 1, &nvm_data); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
607 |
if (ret_val) { |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
608 |
e_dbg("NVM Read Error while updating checksum.\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
609 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
610 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
611 |
checksum += nvm_data; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
612 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
613 |
checksum = (u16)NVM_SUM - checksum; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
614 |
ret_val = e1000_write_nvm(hw, NVM_CHECKSUM_REG, 1, &checksum); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
615 |
if (ret_val) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
616 |
e_dbg("NVM Write Error while updating checksum.\n"); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
617 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
618 |
return ret_val; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
619 |
} |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
620 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
621 |
/** |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
622 |
* e1000e_reload_nvm_generic - Reloads EEPROM |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
623 |
* @hw: pointer to the HW structure |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
624 |
* |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
625 |
* Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
626 |
* extended control register. |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
627 |
**/ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
628 |
void e1000e_reload_nvm_generic(struct e1000_hw *hw) |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
629 |
{ |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
630 |
u32 ctrl_ext; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
631 |
|
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
632 |
usleep_range(10, 20); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
633 |
ctrl_ext = er32(CTRL_EXT); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
634 |
ctrl_ext |= E1000_CTRL_EXT_EE_RST; |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
635 |
ew32(CTRL_EXT, ctrl_ext); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
636 |
e1e_flush(); |
2b9c78543663
Reverted default branch to stable-1.5.
Florian Pose <fp@igh-essen.com>
parents:
diff
changeset
|
637 |
} |