p@2550: /**
p@2550: Network Driver for Beckhoff CCAT communication controller
p@2550: Copyright (C) 2014 Beckhoff Automation GmbH
p@2550: Author: Patrick Bruenn
p@2550:
p@2550: This program is free software; you can redistribute it and/or modify
p@2550: it under the terms of the GNU General Public License as published by
p@2550: the Free Software Foundation; either version 2 of the License, or
p@2550: (at your option) any later version.
p@2550:
p@2550: This program is distributed in the hope that it will be useful,
p@2550: but WITHOUT ANY WARRANTY; without even the implied warranty of
p@2550: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
p@2550: GNU General Public License for more details.
p@2550:
p@2550: You should have received a copy of the GNU General Public License along
p@2550: with this program; if not, write to the Free Software Foundation, Inc.,
p@2550: 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
p@2550: */
p@2550:
p@2550: #include
p@2550: #include "CCatDefinitions.h"
p@2550: #include "module.h"
p@2550: #include "print.h"
p@2550:
p@2550: #define TESTING_ENABLED 1
p@2550: void print_mem(const unsigned char *p, size_t lines)
p@2550: {
p@2550: #if TESTING_ENABLED
p@2550: pr_info("mem at: %p\n", p);
p@2550: pr_info(" 0 1 2 3 4 5 6 7 8 9 A B C D E F\n");
p@2550: while (lines > 0) {
p@2550: pr_info
p@2550: ("%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
p@2550: p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9],
p@2550: p[10], p[11], p[12], p[13], p[14], p[15]);
p@2550: p += 16;
p@2550: --lines;
p@2550: }
p@2550: #endif /* #if TESTING_ENABLED */
p@2550: }
p@2550:
p@2550: static const char *CCatFunctionTypes[CCATINFO_MAX + 1] = {
p@2550: "not used",
p@2550: "Informationblock",
p@2550: "EtherCAT Slave",
p@2550: "EtherCAT Master without DMA",
p@2550: "Ethernet MAC without DMA",
p@2550: "Ethernet Switch",
p@2550: "Sercos III",
p@2550: "Profibus",
p@2550: "CAN Controller",
p@2550: "KBUS Master",
p@2550: "IP-Link Master (planned)",
p@2550: "SPI Master",
p@2550: "I²C",
p@2550: "GPIO",
p@2550: "Drive",
p@2550: "CCAT Update",
p@2550: "Systemtime",
p@2550: "Interrupt Controller",
p@2550: "EEPROM Controller",
p@2550: "DMA Controller",
p@2550: "EtherCAT Master with DMA",
p@2550: "Ethernet MAC with DMA",
p@2550: "SRAM Interface",
p@2550: "Internal Copy block",
p@2550: "unknown"
p@2550: };
p@2550:
p@2550: static void print_CCatDmaRxActBuf(const struct ccat_eth_priv *const priv)
p@2550: {
p@2550: CCatDmaRxActBuf rx_fifo;
p@2550: memcpy_fromio(&rx_fifo, priv->reg.rx_fifo, sizeof(rx_fifo));
p@2550: pr_debug("Rx FIFO base address: %p\n", priv->reg.rx_fifo);
p@2550: pr_debug(" Rx Frame Header start: 0x%08x\n", rx_fifo.startAddr);
p@2550: pr_debug(" reserved: 0x%08x\n", rx_fifo.reserved1);
p@2550: pr_debug(" Rx start address valid: %8u\n", rx_fifo.nextValid);
p@2550: pr_debug(" reserved: 0x%08x\n", rx_fifo.reserved2);
p@2550: pr_debug(" FIFO level: 0x%08x\n", rx_fifo.FifoLevel);
p@2550: pr_debug(" Buffer level: 0x%08x\n", rx_fifo.bufferLevel);
p@2550: pr_debug(" next address: 0x%08x\n", rx_fifo.nextAddr);
p@2550: }
p@2550:
p@2550: static void print_CCatDmaTxFifo(const struct ccat_eth_priv *const priv)
p@2550: {
p@2550: CCatDmaTxFifo tx_fifo;
p@2550: memcpy_fromio(&tx_fifo, priv->reg.tx_fifo, sizeof(tx_fifo));
p@2550: pr_debug("Tx FIFO base address: %p\n", priv->reg.tx_fifo);
p@2550: pr_debug(" Tx Frame Header start: 0x%08x\n", tx_fifo.startAddr);
p@2550: pr_debug(" # 64 bit words: %10d\n", tx_fifo.numQuadWords);
p@2550: pr_debug(" reserved: 0x%08x\n", tx_fifo.reserved1);
p@2550: pr_debug(" FIFO reset: 0x%08x\n", tx_fifo.fifoReset);
p@2550: }
p@2550:
p@2550: static void print_CCatInfoBlock(const CCatInfoBlock * info,
p@2550: const void __iomem * const base_addr)
p@2550: {
p@2550: const size_t index = min((int)info->eCCatInfoType, CCATINFO_MAX);
p@2550: pr_debug("%s\n", CCatFunctionTypes[index]);
p@2550: pr_debug(" revision: 0x%x\n", info->nRevision);
p@2550: pr_debug(" RX channel: %d\n", info->rxDmaChn);
p@2550: pr_debug(" TX channel: %d\n", info->txDmaChn);
p@2550: pr_debug(" baseaddr: 0x%x\n", info->nAddr);
p@2550: pr_debug(" size: 0x%x\n", info->nSize);
p@2550: pr_debug(" subfunction: %p\n", base_addr);
p@2550: }
p@2550:
p@2550: static void print_CCatMacRegs(const struct ccat_eth_priv *const priv)
p@2550: {
p@2550: CCatMacRegs mac;
p@2550: memcpy_fromio(&mac, priv->reg.mac, sizeof(mac));
p@2550: pr_debug("MAC base address: %p\n", priv->reg.mac);
p@2550: pr_debug(" frame length error count: %10d\n", mac.frameLenErrCnt);
p@2550: pr_debug(" RX error count: %10d\n", mac.rxErrCnt);
p@2550: pr_debug(" CRC error count: %10d\n", mac.crcErrCnt);
p@2550: pr_debug(" Link lost error count: %10d\n", mac.linkLostErrCnt);
p@2550: pr_debug(" reserved: 0x%08x\n", mac.reserved1);
p@2550: pr_debug(" RX overflow count: %10d\n",
p@2550: mac.dropFrameErrCnt);
p@2550: pr_debug(" DMA overflow count: %10d\n", mac.reserved2[0]);
p@2550: //pr_debug(" reserverd: %10d\n", DRV_NAME, mac.reserved2[1]);
p@2550: pr_debug(" TX frame counter: %10d\n", mac.txFrameCnt);
p@2550: pr_debug(" RX frame counter: %10d\n", mac.rxFrameCnt);
p@2550: pr_debug(" TX-FIFO level: 0x%08x\n", mac.txFifoLevel);
p@2550: pr_debug(" MII connection: 0x%08x\n", mac.miiConnected);
p@2550: }
p@2550:
p@2550: static void print_CCatMii(const struct ccat_eth_priv *const priv)
p@2550: {
p@2550: CCatMii mii;
p@2550: memcpy_fromio(&mii, priv->reg.mii, sizeof(mii));
p@2550: pr_debug("MII base address: %p\n", priv->reg.mii);
p@2550: pr_debug(" MII cycle: %s\n",
p@2550: mii.startMiCycle ? "running" : "no cycle");
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved1);
p@2550: pr_debug(" cmd valid: %s\n", mii.cmdErr ? "no" : "yes");
p@2550: pr_debug(" cmd: 0x%x\n", mii.cmd);
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved2);
p@2550: pr_debug(" PHY addr: 0x%x\n", mii.phyAddr);
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved3);
p@2550: pr_debug(" PHY reg: 0x%x\n", mii.phyReg);
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved4);
p@2550: pr_debug(" PHY write: 0x%x\n", mii.phyWriteData);
p@2550: pr_debug(" PHY read: 0x%x\n", mii.phyReadData);
p@2550: pr_debug(" MAC addr: %02x:%02x:%02x:%02x:%02x:%02x\n",
p@2550: mii.macAddr.b[0], mii.macAddr.b[1], mii.macAddr.b[2],
p@2550: mii.macAddr.b[3], mii.macAddr.b[4], mii.macAddr.b[5]);
p@2550: pr_debug(" MAC filter enable: %s\n",
p@2550: mii.macFilterEnabled ? "enabled" : "disabled");
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved6);
p@2550: pr_debug(" Link State: %s\n",
p@2550: mii.linkStatus ? "link" : "no link");
p@2550: pr_debug(" reserved: 0x%x\n", mii.reserved7);
p@2550: //pr_debug(" reserved: 0x%x\n", DRV_NAME, mii.reserved8);
p@2550: //TODO add leds, systemtime insertion and interrupts
p@2550: }
p@2550:
p@2550: void ccat_print_function_info(struct ccat_eth_priv *priv)
p@2550: {
p@2550: print_CCatInfoBlock(&priv->info, priv->ccatdev->bar[0].ioaddr);
p@2550: print_CCatMii(priv);
p@2550: print_CCatDmaTxFifo(priv);
p@2550: print_CCatDmaRxActBuf(priv);
p@2550: print_CCatMacRegs(priv);
p@2550: pr_debug(" RX window: %p\n", priv->reg.rx_mem);
p@2550: pr_debug(" TX memory: %p\n", priv->reg.tx_mem);
p@2550: pr_debug(" misc: %p\n", priv->reg.misc);
p@2550: }
p@2550:
p@2550: void print_update_info(const CCatInfoBlock * const info,
p@2550: void __iomem * const ioaddr)
p@2550: {
p@2550: const size_t index = min((int)info->eCCatInfoType, CCATINFO_MAX);
p@2550: pr_debug("%s\n", CCatFunctionTypes[index]);
p@2550: pr_debug(" revision: 0x%x\n", info->nRevision);
p@2550: pr_debug(" baseaddr: 0x%x\n", info->nAddr);
p@2550: pr_debug(" size: 0x%x\n", info->nSize);
p@2550: pr_debug(" PROM ID is: 0x%x\n", ccat_get_prom_id(ioaddr));
p@2550: }