diff -r 6e419c23b1b3 -r b0c2762a1a83 devices/ccat/print.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devices/ccat/print.c Wed Apr 23 15:20:33 2014 +0200 @@ -0,0 +1,180 @@ +/** + Network Driver for Beckhoff CCAT communication controller + Copyright (C) 2014 Beckhoff Automation GmbH + Author: Patrick Bruenn + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#include +#include "CCatDefinitions.h" +#include "module.h" +#include "print.h" + +#define TESTING_ENABLED 1 +void print_mem(const unsigned char *p, size_t lines) +{ +#if TESTING_ENABLED + pr_info("mem at: %p\n", p); + pr_info(" 0 1 2 3 4 5 6 7 8 9 A B C D E F\n"); + while (lines > 0) { + pr_info + ("%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", + p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], + p[10], p[11], p[12], p[13], p[14], p[15]); + p += 16; + --lines; + } +#endif /* #if TESTING_ENABLED */ +} + +static const char *CCatFunctionTypes[CCATINFO_MAX + 1] = { + "not used", + "Informationblock", + "EtherCAT Slave", + "EtherCAT Master without DMA", + "Ethernet MAC without DMA", + "Ethernet Switch", + "Sercos III", + "Profibus", + "CAN Controller", + "KBUS Master", + "IP-Link Master (planned)", + "SPI Master", + "I²C", + "GPIO", + "Drive", + "CCAT Update", + "Systemtime", + "Interrupt Controller", + "EEPROM Controller", + "DMA Controller", + "EtherCAT Master with DMA", + "Ethernet MAC with DMA", + "SRAM Interface", + "Internal Copy block", + "unknown" +}; + +static void print_CCatDmaRxActBuf(const struct ccat_eth_priv *const priv) +{ + CCatDmaRxActBuf rx_fifo; + memcpy_fromio(&rx_fifo, priv->reg.rx_fifo, sizeof(rx_fifo)); + pr_debug("Rx FIFO base address: %p\n", priv->reg.rx_fifo); + pr_debug(" Rx Frame Header start: 0x%08x\n", rx_fifo.startAddr); + pr_debug(" reserved: 0x%08x\n", rx_fifo.reserved1); + pr_debug(" Rx start address valid: %8u\n", rx_fifo.nextValid); + pr_debug(" reserved: 0x%08x\n", rx_fifo.reserved2); + pr_debug(" FIFO level: 0x%08x\n", rx_fifo.FifoLevel); + pr_debug(" Buffer level: 0x%08x\n", rx_fifo.bufferLevel); + pr_debug(" next address: 0x%08x\n", rx_fifo.nextAddr); +} + +static void print_CCatDmaTxFifo(const struct ccat_eth_priv *const priv) +{ + CCatDmaTxFifo tx_fifo; + memcpy_fromio(&tx_fifo, priv->reg.tx_fifo, sizeof(tx_fifo)); + pr_debug("Tx FIFO base address: %p\n", priv->reg.tx_fifo); + pr_debug(" Tx Frame Header start: 0x%08x\n", tx_fifo.startAddr); + pr_debug(" # 64 bit words: %10d\n", tx_fifo.numQuadWords); + pr_debug(" reserved: 0x%08x\n", tx_fifo.reserved1); + pr_debug(" FIFO reset: 0x%08x\n", tx_fifo.fifoReset); +} + +static void print_CCatInfoBlock(const CCatInfoBlock * info, + const void __iomem * const base_addr) +{ + const size_t index = min((int)info->eCCatInfoType, CCATINFO_MAX); + pr_debug("%s\n", CCatFunctionTypes[index]); + pr_debug(" revision: 0x%x\n", info->nRevision); + pr_debug(" RX channel: %d\n", info->rxDmaChn); + pr_debug(" TX channel: %d\n", info->txDmaChn); + pr_debug(" baseaddr: 0x%x\n", info->nAddr); + pr_debug(" size: 0x%x\n", info->nSize); + pr_debug(" subfunction: %p\n", base_addr); +} + +static void print_CCatMacRegs(const struct ccat_eth_priv *const priv) +{ + CCatMacRegs mac; + memcpy_fromio(&mac, priv->reg.mac, sizeof(mac)); + pr_debug("MAC base address: %p\n", priv->reg.mac); + pr_debug(" frame length error count: %10d\n", mac.frameLenErrCnt); + pr_debug(" RX error count: %10d\n", mac.rxErrCnt); + pr_debug(" CRC error count: %10d\n", mac.crcErrCnt); + pr_debug(" Link lost error count: %10d\n", mac.linkLostErrCnt); + pr_debug(" reserved: 0x%08x\n", mac.reserved1); + pr_debug(" RX overflow count: %10d\n", + mac.dropFrameErrCnt); + pr_debug(" DMA overflow count: %10d\n", mac.reserved2[0]); + //pr_debug(" reserverd: %10d\n", DRV_NAME, mac.reserved2[1]); + pr_debug(" TX frame counter: %10d\n", mac.txFrameCnt); + pr_debug(" RX frame counter: %10d\n", mac.rxFrameCnt); + pr_debug(" TX-FIFO level: 0x%08x\n", mac.txFifoLevel); + pr_debug(" MII connection: 0x%08x\n", mac.miiConnected); +} + +static void print_CCatMii(const struct ccat_eth_priv *const priv) +{ + CCatMii mii; + memcpy_fromio(&mii, priv->reg.mii, sizeof(mii)); + pr_debug("MII base address: %p\n", priv->reg.mii); + pr_debug(" MII cycle: %s\n", + mii.startMiCycle ? "running" : "no cycle"); + pr_debug(" reserved: 0x%x\n", mii.reserved1); + pr_debug(" cmd valid: %s\n", mii.cmdErr ? "no" : "yes"); + pr_debug(" cmd: 0x%x\n", mii.cmd); + pr_debug(" reserved: 0x%x\n", mii.reserved2); + pr_debug(" PHY addr: 0x%x\n", mii.phyAddr); + pr_debug(" reserved: 0x%x\n", mii.reserved3); + pr_debug(" PHY reg: 0x%x\n", mii.phyReg); + pr_debug(" reserved: 0x%x\n", mii.reserved4); + pr_debug(" PHY write: 0x%x\n", mii.phyWriteData); + pr_debug(" PHY read: 0x%x\n", mii.phyReadData); + pr_debug(" MAC addr: %02x:%02x:%02x:%02x:%02x:%02x\n", + mii.macAddr.b[0], mii.macAddr.b[1], mii.macAddr.b[2], + mii.macAddr.b[3], mii.macAddr.b[4], mii.macAddr.b[5]); + pr_debug(" MAC filter enable: %s\n", + mii.macFilterEnabled ? "enabled" : "disabled"); + pr_debug(" reserved: 0x%x\n", mii.reserved6); + pr_debug(" Link State: %s\n", + mii.linkStatus ? "link" : "no link"); + pr_debug(" reserved: 0x%x\n", mii.reserved7); + //pr_debug(" reserved: 0x%x\n", DRV_NAME, mii.reserved8); + //TODO add leds, systemtime insertion and interrupts +} + +void ccat_print_function_info(struct ccat_eth_priv *priv) +{ + print_CCatInfoBlock(&priv->info, priv->ccatdev->bar[0].ioaddr); + print_CCatMii(priv); + print_CCatDmaTxFifo(priv); + print_CCatDmaRxActBuf(priv); + print_CCatMacRegs(priv); + pr_debug(" RX window: %p\n", priv->reg.rx_mem); + pr_debug(" TX memory: %p\n", priv->reg.tx_mem); + pr_debug(" misc: %p\n", priv->reg.misc); +} + +void print_update_info(const CCatInfoBlock * const info, + void __iomem * const ioaddr) +{ + const size_t index = min((int)info->eCCatInfoType, CCATINFO_MAX); + pr_debug("%s\n", CCatFunctionTypes[index]); + pr_debug(" revision: 0x%x\n", info->nRevision); + pr_debug(" baseaddr: 0x%x\n", info->nAddr); + pr_debug(" size: 0x%x\n", info->nSize); + pr_debug(" PROM ID is: 0x%x\n", ccat_get_prom_id(ioaddr)); +}