+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * smc911x.c
- * This is a driver for SMSC's LAN911{5,6,7,8} single-chip Ethernet devices.
- *
- * Copyright (C) 2005 Sensoria Corp
- * Derived from the unified SMC91x driver by Nicolas Pitre
- * and the smsc911x.c reference driver by SMSC
- *
- * Arguments:
- * watchdog = TX watchdog timeout
- * tx_fifo_kb = Size of TX FIFO in KB
- *
- * History:
- * 04/16/05 Dustin McIntire Initial version
- */
-static const char version[] =
- "smc911x.c: v1.0 04-16-2005 by Dustin McIntire <dustin@sensoria.com>\n";
-
-/* Debugging options */
-#define ENABLE_SMC_DEBUG_RX 0
-#define ENABLE_SMC_DEBUG_TX 0
-#define ENABLE_SMC_DEBUG_DMA 0
-#define ENABLE_SMC_DEBUG_PKTS 0
-#define ENABLE_SMC_DEBUG_MISC 0
-#define ENABLE_SMC_DEBUG_FUNC 0
-
-#define SMC_DEBUG_RX ((ENABLE_SMC_DEBUG_RX ? 1 : 0) << 0)
-#define SMC_DEBUG_TX ((ENABLE_SMC_DEBUG_TX ? 1 : 0) << 1)
-#define SMC_DEBUG_DMA ((ENABLE_SMC_DEBUG_DMA ? 1 : 0) << 2)
-#define SMC_DEBUG_PKTS ((ENABLE_SMC_DEBUG_PKTS ? 1 : 0) << 3)
-#define SMC_DEBUG_MISC ((ENABLE_SMC_DEBUG_MISC ? 1 : 0) << 4)
-#define SMC_DEBUG_FUNC ((ENABLE_SMC_DEBUG_FUNC ? 1 : 0) << 5)
-
-#ifndef SMC_DEBUG
-#define SMC_DEBUG ( SMC_DEBUG_RX | \
- SMC_DEBUG_TX | \
- SMC_DEBUG_DMA | \
- SMC_DEBUG_PKTS | \
- SMC_DEBUG_MISC | \
- SMC_DEBUG_FUNC \
- )
-#endif
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/crc32.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/workqueue.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-
-#include <linux/dmaengine.h>
-
-#include <asm/io.h>
-
-#include "smc911x.h"
-
-/*
- * Transmit timeout, default 5 seconds.
- */
-static int watchdog = 5000;
-module_param(watchdog, int, 0400);
-MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
-
-static int tx_fifo_kb=8;
-module_param(tx_fifo_kb, int, 0400);
-MODULE_PARM_DESC(tx_fifo_kb,"transmit FIFO size in KB (1<x<15)(default=8)");
-
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:smc911x");
-
-/*
- * The internal workings of the driver. If you are changing anything
- * here with the SMC stuff, you should have the datasheet and know
- * what you are doing.
- */
-#define CARDNAME "smc911x"
-
-/*
- * Use power-down feature of the chip
- */
-#define POWER_DOWN 1
-
-#if SMC_DEBUG > 0
-#define DBG(n, dev, args...) \
- do { \
- if (SMC_DEBUG & (n)) \
- netdev_dbg(dev, args); \
- } while (0)
-
-#define PRINTK(dev, args...) netdev_info(dev, args)
-#else
-#define DBG(n, dev, args...) \
- while (0) { \
- netdev_dbg(dev, args); \
- }
-#define PRINTK(dev, args...) netdev_dbg(dev, args)
-#endif
-
-#if SMC_DEBUG_PKTS > 0
-static void PRINT_PKT(u_char *buf, int length)
-{
- int i;
- int remainder;
- int lines;
-
- lines = length / 16;
- remainder = length % 16;
-
- for (i = 0; i < lines ; i ++) {
- int cur;
- printk(KERN_DEBUG);
- for (cur = 0; cur < 8; cur++) {
- u_char a, b;
- a = *buf++;
- b = *buf++;
- pr_cont("%02x%02x ", a, b);
- }
- pr_cont("\n");
- }
- printk(KERN_DEBUG);
- for (i = 0; i < remainder/2 ; i++) {
- u_char a, b;
- a = *buf++;
- b = *buf++;
- pr_cont("%02x%02x ", a, b);
- }
- pr_cont("\n");
-}
-#else
-static inline void PRINT_PKT(u_char *buf, int length) { }
-#endif
-
-
-/* this enables an interrupt in the interrupt mask register */
-#define SMC_ENABLE_INT(lp, x) do { \
- unsigned int __mask; \
- __mask = SMC_GET_INT_EN((lp)); \
- __mask |= (x); \
- SMC_SET_INT_EN((lp), __mask); \
-} while (0)
-
-/* this disables an interrupt from the interrupt mask register */
-#define SMC_DISABLE_INT(lp, x) do { \
- unsigned int __mask; \
- __mask = SMC_GET_INT_EN((lp)); \
- __mask &= ~(x); \
- SMC_SET_INT_EN((lp), __mask); \
-} while (0)
-
-/*
- * this does a soft reset on the device
- */
-static void smc911x_reset(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int reg, timeout=0, resets=1, irq_cfg;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- /* Take out of PM setting first */
- if ((SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_) == 0) {
- /* Write to the bytetest will take out of powerdown */
- SMC_SET_BYTE_TEST(lp, 0);
- timeout=10;
- do {
- udelay(10);
- reg = SMC_GET_PMT_CTRL(lp) & PMT_CTRL_READY_;
- } while (--timeout && !reg);
- if (timeout == 0) {
- PRINTK(dev, "smc911x_reset timeout waiting for PM restore\n");
- return;
- }
- }
-
- /* Disable all interrupts */
- spin_lock_irqsave(&lp->lock, flags);
- SMC_SET_INT_EN(lp, 0);
- spin_unlock_irqrestore(&lp->lock, flags);
-
- while (resets--) {
- SMC_SET_HW_CFG(lp, HW_CFG_SRST_);
- timeout=10;
- do {
- udelay(10);
- reg = SMC_GET_HW_CFG(lp);
- /* If chip indicates reset timeout then try again */
- if (reg & HW_CFG_SRST_TO_) {
- PRINTK(dev, "chip reset timeout, retrying...\n");
- resets++;
- break;
- }
- } while (--timeout && (reg & HW_CFG_SRST_));
- }
- if (timeout == 0) {
- PRINTK(dev, "smc911x_reset timeout waiting for reset\n");
- return;
- }
-
- /* make sure EEPROM has finished loading before setting GPIO_CFG */
- timeout=1000;
- while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_))
- udelay(10);
-
- if (timeout == 0){
- PRINTK(dev, "smc911x_reset timeout waiting for EEPROM busy\n");
- return;
- }
-
- /* Initialize interrupts */
- SMC_SET_INT_EN(lp, 0);
- SMC_ACK_INT(lp, -1);
-
- /* Reset the FIFO level and flow control settings */
- SMC_SET_HW_CFG(lp, (lp->tx_fifo_kb & 0xF) << 16);
-//TODO: Figure out what appropriate pause time is
- SMC_SET_FLOW(lp, FLOW_FCPT_ | FLOW_FCEN_);
- SMC_SET_AFC_CFG(lp, lp->afc_cfg);
-
-
- /* Set to LED outputs */
- SMC_SET_GPIO_CFG(lp, 0x70070000);
-
- /*
- * Deassert IRQ for 1*10us for edge type interrupts
- * and drive IRQ pin push-pull
- */
- irq_cfg = (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_;
-#ifdef SMC_DYNAMIC_BUS_CONFIG
- if (lp->cfg.irq_polarity)
- irq_cfg |= INT_CFG_IRQ_POL_;
-#endif
- SMC_SET_IRQ_CFG(lp, irq_cfg);
-
- /* clear anything saved */
- if (lp->pending_tx_skb != NULL) {
- dev_kfree_skb (lp->pending_tx_skb);
- lp->pending_tx_skb = NULL;
- dev->stats.tx_errors++;
- dev->stats.tx_aborted_errors++;
- }
-}
-
-/*
- * Enable Interrupts, Receive, and Transmit
- */
-static void smc911x_enable(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned mask, cfg, cr;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
-
- SMC_SET_MAC_ADDR(lp, dev->dev_addr);
-
- /* Enable TX */
- cfg = SMC_GET_HW_CFG(lp);
- cfg &= HW_CFG_TX_FIF_SZ_ | 0xFFF;
- cfg |= HW_CFG_SF_;
- SMC_SET_HW_CFG(lp, cfg);
- SMC_SET_FIFO_TDA(lp, 0xFF);
- /* Update TX stats on every 64 packets received or every 1 sec */
- SMC_SET_FIFO_TSL(lp, 64);
- SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
-
- SMC_GET_MAC_CR(lp, cr);
- cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_;
- SMC_SET_MAC_CR(lp, cr);
- SMC_SET_TX_CFG(lp, TX_CFG_TX_ON_);
-
- /* Add 2 byte padding to start of packets */
- SMC_SET_RX_CFG(lp, (2<<8) & RX_CFG_RXDOFF_);
-
- /* Turn on receiver and enable RX */
- if (cr & MAC_CR_RXEN_)
- DBG(SMC_DEBUG_RX, dev, "Receiver already enabled\n");
-
- SMC_SET_MAC_CR(lp, cr | MAC_CR_RXEN_);
-
- /* Interrupt on every received packet */
- SMC_SET_FIFO_RSA(lp, 0x01);
- SMC_SET_FIFO_RSL(lp, 0x00);
-
- /* now, enable interrupts */
- mask = INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_ | INT_EN_RSFL_EN_ |
- INT_EN_GPT_INT_EN_ | INT_EN_RXDFH_INT_EN_ | INT_EN_RXE_EN_ |
- INT_EN_PHY_INT_EN_;
- if (IS_REV_A(lp->revision))
- mask|=INT_EN_RDFL_EN_;
- else {
- mask|=INT_EN_RDFO_EN_;
- }
- SMC_ENABLE_INT(lp, mask);
-
- spin_unlock_irqrestore(&lp->lock, flags);
-}
-
-/*
- * this puts the device in an inactive state
- */
-static void smc911x_shutdown(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned cr;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "%s: --> %s\n", CARDNAME, __func__);
-
- /* Disable IRQ's */
- SMC_SET_INT_EN(lp, 0);
-
- /* Turn of Rx and TX */
- spin_lock_irqsave(&lp->lock, flags);
- SMC_GET_MAC_CR(lp, cr);
- cr &= ~(MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_);
- SMC_SET_MAC_CR(lp, cr);
- SMC_SET_TX_CFG(lp, TX_CFG_STOP_TX_);
- spin_unlock_irqrestore(&lp->lock, flags);
-}
-
-static inline void smc911x_drop_pkt(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int fifo_count, timeout, reg;
-
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, dev, "%s: --> %s\n",
- CARDNAME, __func__);
- fifo_count = SMC_GET_RX_FIFO_INF(lp) & 0xFFFF;
- if (fifo_count <= 4) {
- /* Manually dump the packet data */
- while (fifo_count--)
- SMC_GET_RX_FIFO(lp);
- } else {
- /* Fast forward through the bad packet */
- SMC_SET_RX_DP_CTRL(lp, RX_DP_CTRL_FFWD_BUSY_);
- timeout=50;
- do {
- udelay(10);
- reg = SMC_GET_RX_DP_CTRL(lp) & RX_DP_CTRL_FFWD_BUSY_;
- } while (--timeout && reg);
- if (timeout == 0) {
- PRINTK(dev, "timeout waiting for RX fast forward\n");
- }
- }
-}
-
-/*
- * This is the procedure to handle the receipt of a packet.
- * It should be called after checking for packet presence in
- * the RX status FIFO. It must be called with the spin lock
- * already held.
- */
-static inline void smc911x_rcv(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int pkt_len, status;
- struct sk_buff *skb;
- unsigned char *data;
-
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, dev, "--> %s\n",
- __func__);
- status = SMC_GET_RX_STS_FIFO(lp);
- DBG(SMC_DEBUG_RX, dev, "Rx pkt len %d status 0x%08x\n",
- (status & 0x3fff0000) >> 16, status & 0xc000ffff);
- pkt_len = (status & RX_STS_PKT_LEN_) >> 16;
- if (status & RX_STS_ES_) {
- /* Deal with a bad packet */
- dev->stats.rx_errors++;
- if (status & RX_STS_CRC_ERR_)
- dev->stats.rx_crc_errors++;
- else {
- if (status & RX_STS_LEN_ERR_)
- dev->stats.rx_length_errors++;
- if (status & RX_STS_MCAST_)
- dev->stats.multicast++;
- }
- /* Remove the bad packet data from the RX FIFO */
- smc911x_drop_pkt(dev);
- } else {
- /* Receive a valid packet */
- /* Alloc a buffer with extra room for DMA alignment */
- skb = netdev_alloc_skb(dev, pkt_len+32);
- if (unlikely(skb == NULL)) {
- PRINTK(dev, "Low memory, rcvd packet dropped.\n");
- dev->stats.rx_dropped++;
- smc911x_drop_pkt(dev);
- return;
- }
- /* Align IP header to 32 bits
- * Note that the device is configured to add a 2
- * byte padding to the packet start, so we really
- * want to write to the orignal data pointer */
- data = skb->data;
- skb_reserve(skb, 2);
- skb_put(skb,pkt_len-4);
-#ifdef SMC_USE_DMA
- {
- unsigned int fifo;
- /* Lower the FIFO threshold if possible */
- fifo = SMC_GET_FIFO_INT(lp);
- if (fifo & 0xFF) fifo--;
- DBG(SMC_DEBUG_RX, dev, "Setting RX stat FIFO threshold to %d\n",
- fifo & 0xff);
- SMC_SET_FIFO_INT(lp, fifo);
- /* Setup RX DMA */
- SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN16_ | ((2<<8) & RX_CFG_RXDOFF_));
- lp->rxdma_active = 1;
- lp->current_rx_skb = skb;
- SMC_PULL_DATA(lp, data, (pkt_len+2+15) & ~15);
- /* Packet processing deferred to DMA RX interrupt */
- }
-#else
- SMC_SET_RX_CFG(lp, RX_CFG_RX_END_ALGN4_ | ((2<<8) & RX_CFG_RXDOFF_));
- SMC_PULL_DATA(lp, data, pkt_len+2+3);
-
- DBG(SMC_DEBUG_PKTS, dev, "Received packet\n");
- PRINT_PKT(data, min(pkt_len - 4, 64U));
- skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += pkt_len-4;
-#endif
- }
-}
-
-/*
- * This is called to actually send a packet to the chip.
- */
-static void smc911x_hardware_send_pkt(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- struct sk_buff *skb;
- unsigned int cmdA, cmdB, len;
- unsigned char *buf;
-
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n", __func__);
- BUG_ON(lp->pending_tx_skb == NULL);
-
- skb = lp->pending_tx_skb;
- lp->pending_tx_skb = NULL;
-
- /* cmdA {25:24] data alignment [20:16] start offset [10:0] buffer length */
- /* cmdB {31:16] pkt tag [10:0] length */
-#ifdef SMC_USE_DMA
- /* 16 byte buffer alignment mode */
- buf = (char*)((u32)(skb->data) & ~0xF);
- len = (skb->len + 0xF + ((u32)skb->data & 0xF)) & ~0xF;
- cmdA = (1<<24) | (((u32)skb->data & 0xF)<<16) |
- TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ |
- skb->len;
-#else
- buf = (char *)((uintptr_t)skb->data & ~0x3);
- len = (skb->len + 3 + ((uintptr_t)skb->data & 3)) & ~0x3;
- cmdA = (((uintptr_t)skb->data & 0x3) << 16) |
- TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ |
- skb->len;
-#endif
- /* tag is packet length so we can use this in stats update later */
- cmdB = (skb->len << 16) | (skb->len & 0x7FF);
-
- DBG(SMC_DEBUG_TX, dev, "TX PKT LENGTH 0x%04x (%d) BUF 0x%p CMDA 0x%08x CMDB 0x%08x\n",
- len, len, buf, cmdA, cmdB);
- SMC_SET_TX_FIFO(lp, cmdA);
- SMC_SET_TX_FIFO(lp, cmdB);
-
- DBG(SMC_DEBUG_PKTS, dev, "Transmitted packet\n");
- PRINT_PKT(buf, min(len, 64U));
-
- /* Send pkt via PIO or DMA */
-#ifdef SMC_USE_DMA
- lp->current_tx_skb = skb;
- SMC_PUSH_DATA(lp, buf, len);
- /* DMA complete IRQ will free buffer and set jiffies */
-#else
- SMC_PUSH_DATA(lp, buf, len);
- netif_trans_update(dev);
- dev_kfree_skb_irq(skb);
-#endif
- if (!lp->tx_throttle) {
- netif_wake_queue(dev);
- }
- SMC_ENABLE_INT(lp, INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_);
-}
-
-/*
- * Since I am not sure if I will have enough room in the chip's ram
- * to store the packet, I call this routine which either sends it
- * now, or set the card to generates an interrupt when ready
- * for the packet.
- */
-static netdev_tx_t
-smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int free;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n",
- __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
-
- BUG_ON(lp->pending_tx_skb != NULL);
-
- free = SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TDFREE_;
- DBG(SMC_DEBUG_TX, dev, "TX free space %d\n", free);
-
- /* Turn off the flow when running out of space in FIFO */
- if (free <= SMC911X_TX_FIFO_LOW_THRESHOLD) {
- DBG(SMC_DEBUG_TX, dev, "Disabling data flow due to low FIFO space (%d)\n",
- free);
- /* Reenable when at least 1 packet of size MTU present */
- SMC_SET_FIFO_TDA(lp, (SMC911X_TX_FIFO_LOW_THRESHOLD)/64);
- lp->tx_throttle = 1;
- netif_stop_queue(dev);
- }
-
- /* Drop packets when we run out of space in TX FIFO
- * Account for overhead required for:
- *
- * Tx command words 8 bytes
- * Start offset 15 bytes
- * End padding 15 bytes
- */
- if (unlikely(free < (skb->len + 8 + 15 + 15))) {
- netdev_warn(dev, "No Tx free space %d < %d\n",
- free, skb->len);
- lp->pending_tx_skb = NULL;
- dev->stats.tx_errors++;
- dev->stats.tx_dropped++;
- spin_unlock_irqrestore(&lp->lock, flags);
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
-
-#ifdef SMC_USE_DMA
- {
- /* If the DMA is already running then defer this packet Tx until
- * the DMA IRQ starts it
- */
- if (lp->txdma_active) {
- DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "Tx DMA running, deferring packet\n");
- lp->pending_tx_skb = skb;
- netif_stop_queue(dev);
- spin_unlock_irqrestore(&lp->lock, flags);
- return NETDEV_TX_OK;
- } else {
- DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "Activating Tx DMA\n");
- lp->txdma_active = 1;
- }
- }
-#endif
- lp->pending_tx_skb = skb;
- smc911x_hardware_send_pkt(dev);
- spin_unlock_irqrestore(&lp->lock, flags);
-
- return NETDEV_TX_OK;
-}
-
-/*
- * This handles a TX status interrupt, which is only called when:
- * - a TX error occurred, or
- * - TX of a packet completed.
- */
-static void smc911x_tx(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int tx_status;
-
- DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, dev, "--> %s\n",
- __func__);
-
- /* Collect the TX status */
- while (((SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16) != 0) {
- DBG(SMC_DEBUG_TX, dev, "Tx stat FIFO used 0x%04x\n",
- (SMC_GET_TX_FIFO_INF(lp) & TX_FIFO_INF_TSUSED_) >> 16);
- tx_status = SMC_GET_TX_STS_FIFO(lp);
- dev->stats.tx_packets++;
- dev->stats.tx_bytes+=tx_status>>16;
- DBG(SMC_DEBUG_TX, dev, "Tx FIFO tag 0x%04x status 0x%04x\n",
- (tx_status & 0xffff0000) >> 16,
- tx_status & 0x0000ffff);
- /* count Tx errors, but ignore lost carrier errors when in
- * full-duplex mode */
- if ((tx_status & TX_STS_ES_) && !(lp->ctl_rfduplx &&
- !(tx_status & 0x00000306))) {
- dev->stats.tx_errors++;
- }
- if (tx_status & TX_STS_MANY_COLL_) {
- dev->stats.collisions+=16;
- dev->stats.tx_aborted_errors++;
- } else {
- dev->stats.collisions+=(tx_status & TX_STS_COLL_CNT_) >> 3;
- }
- /* carrier error only has meaning for half-duplex communication */
- if ((tx_status & (TX_STS_LOC_ | TX_STS_NO_CARR_)) &&
- !lp->ctl_rfduplx) {
- dev->stats.tx_carrier_errors++;
- }
- if (tx_status & TX_STS_LATE_COLL_) {
- dev->stats.collisions++;
- dev->stats.tx_aborted_errors++;
- }
- }
-}
-
-
-/*---PHY CONTROL AND CONFIGURATION-----------------------------------------*/
-/*
- * Reads a register from the MII Management serial interface
- */
-
-static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int phydata;
-
- SMC_GET_MII(lp, phyreg, phyaddr, phydata);
-
- DBG(SMC_DEBUG_MISC, dev, "%s: phyaddr=0x%x, phyreg=0x%02x, phydata=0x%04x\n",
- __func__, phyaddr, phyreg, phydata);
- return phydata;
-}
-
-
-/*
- * Writes a register to the MII Management serial interface
- */
-static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg,
- int phydata)
-{
- struct smc911x_local *lp = netdev_priv(dev);
-
- DBG(SMC_DEBUG_MISC, dev, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n",
- __func__, phyaddr, phyreg, phydata);
-
- SMC_SET_MII(lp, phyreg, phyaddr, phydata);
-}
-
-/*
- * Finds and reports the PHY address (115 and 117 have external
- * PHY interface 118 has internal only
- */
-static void smc911x_phy_detect(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int phyaddr;
- unsigned int cfg, id1, id2;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- lp->phy_type = 0;
-
- /*
- * Scan all 32 PHY addresses if necessary, starting at
- * PHY#1 to PHY#31, and then PHY#0 last.
- */
- switch(lp->version) {
- case CHIP_9115:
- case CHIP_9117:
- case CHIP_9215:
- case CHIP_9217:
- cfg = SMC_GET_HW_CFG(lp);
- if (cfg & HW_CFG_EXT_PHY_DET_) {
- cfg &= ~HW_CFG_PHY_CLK_SEL_;
- cfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_;
- SMC_SET_HW_CFG(lp, cfg);
- udelay(10); /* Wait for clocks to stop */
-
- cfg |= HW_CFG_EXT_PHY_EN_;
- SMC_SET_HW_CFG(lp, cfg);
- udelay(10); /* Wait for clocks to stop */
-
- cfg &= ~HW_CFG_PHY_CLK_SEL_;
- cfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_;
- SMC_SET_HW_CFG(lp, cfg);
- udelay(10); /* Wait for clocks to stop */
-
- cfg |= HW_CFG_SMI_SEL_;
- SMC_SET_HW_CFG(lp, cfg);
-
- for (phyaddr = 1; phyaddr < 32; ++phyaddr) {
-
- /* Read the PHY identifiers */
- SMC_GET_PHY_ID1(lp, phyaddr & 31, id1);
- SMC_GET_PHY_ID2(lp, phyaddr & 31, id2);
-
- /* Make sure it is a valid identifier */
- if (id1 != 0x0000 && id1 != 0xffff &&
- id1 != 0x8000 && id2 != 0x0000 &&
- id2 != 0xffff && id2 != 0x8000) {
- /* Save the PHY's address */
- lp->mii.phy_id = phyaddr & 31;
- lp->phy_type = id1 << 16 | id2;
- break;
- }
- }
- if (phyaddr < 32)
- /* Found an external PHY */
- break;
- }
- fallthrough;
- default:
- /* Internal media only */
- SMC_GET_PHY_ID1(lp, 1, id1);
- SMC_GET_PHY_ID2(lp, 1, id2);
- /* Save the PHY's address */
- lp->mii.phy_id = 1;
- lp->phy_type = id1 << 16 | id2;
- }
-
- DBG(SMC_DEBUG_MISC, dev, "phy_id1=0x%x, phy_id2=0x%x phyaddr=0x%x\n",
- id1, id2, lp->mii.phy_id);
-}
-
-/*
- * Sets the PHY to a configuration as determined by the user.
- * Called with spin_lock held.
- */
-static int smc911x_phy_fixed(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int phyaddr = lp->mii.phy_id;
- int bmcr;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- /* Enter Link Disable state */
- SMC_GET_PHY_BMCR(lp, phyaddr, bmcr);
- bmcr |= BMCR_PDOWN;
- SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
-
- /*
- * Set our fixed capabilities
- * Disable auto-negotiation
- */
- bmcr &= ~BMCR_ANENABLE;
- if (lp->ctl_rfduplx)
- bmcr |= BMCR_FULLDPLX;
-
- if (lp->ctl_rspeed == 100)
- bmcr |= BMCR_SPEED100;
-
- /* Write our capabilities to the phy control register */
- SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
-
- /* Re-Configure the Receive/Phy Control register */
- bmcr &= ~BMCR_PDOWN;
- SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
-
- return 1;
-}
-
-/**
- * smc911x_phy_reset - reset the phy
- * @dev: net device
- * @phy: phy address
- *
- * Issue a software reset for the specified PHY and
- * wait up to 100ms for the reset to complete. We should
- * not access the PHY for 50ms after issuing the reset.
- *
- * The time to wait appears to be dependent on the PHY.
- *
- */
-static int smc911x_phy_reset(struct net_device *dev, int phy)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int timeout;
- unsigned long flags;
- unsigned int reg;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s()\n", __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
- reg = SMC_GET_PMT_CTRL(lp);
- reg &= ~0xfffff030;
- reg |= PMT_CTRL_PHY_RST_;
- SMC_SET_PMT_CTRL(lp, reg);
- spin_unlock_irqrestore(&lp->lock, flags);
- for (timeout = 2; timeout; timeout--) {
- msleep(50);
- spin_lock_irqsave(&lp->lock, flags);
- reg = SMC_GET_PMT_CTRL(lp);
- spin_unlock_irqrestore(&lp->lock, flags);
- if (!(reg & PMT_CTRL_PHY_RST_)) {
- /* extra delay required because the phy may
- * not be completed with its reset
- * when PHY_BCR_RESET_ is cleared. 256us
- * should suffice, but use 500us to be safe
- */
- udelay(500);
- break;
- }
- }
-
- return reg & PMT_CTRL_PHY_RST_;
-}
-
-/**
- * smc911x_phy_powerdown - powerdown phy
- * @dev: net device
- * @phy: phy address
- *
- * Power down the specified PHY
- */
-static void smc911x_phy_powerdown(struct net_device *dev, int phy)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int bmcr;
-
- /* Enter Link Disable state */
- SMC_GET_PHY_BMCR(lp, phy, bmcr);
- bmcr |= BMCR_PDOWN;
- SMC_SET_PHY_BMCR(lp, phy, bmcr);
-}
-
-/**
- * smc911x_phy_check_media - check the media status and adjust BMCR
- * @dev: net device
- * @init: set true for initialisation
- *
- * Select duplex mode depending on negotiation state. This
- * also updates our carrier state.
- */
-static void smc911x_phy_check_media(struct net_device *dev, int init)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int phyaddr = lp->mii.phy_id;
- unsigned int bmcr, cr;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) {
- /* duplex state has changed */
- SMC_GET_PHY_BMCR(lp, phyaddr, bmcr);
- SMC_GET_MAC_CR(lp, cr);
- if (lp->mii.full_duplex) {
- DBG(SMC_DEBUG_MISC, dev, "Configuring for full-duplex mode\n");
- bmcr |= BMCR_FULLDPLX;
- cr |= MAC_CR_RCVOWN_;
- } else {
- DBG(SMC_DEBUG_MISC, dev, "Configuring for half-duplex mode\n");
- bmcr &= ~BMCR_FULLDPLX;
- cr &= ~MAC_CR_RCVOWN_;
- }
- SMC_SET_PHY_BMCR(lp, phyaddr, bmcr);
- SMC_SET_MAC_CR(lp, cr);
- }
-}
-
-/*
- * Configures the specified PHY through the MII management interface
- * using Autonegotiation.
- * Calls smc911x_phy_fixed() if the user has requested a certain config.
- * If RPC ANEG bit is set, the media selection is dependent purely on
- * the selection by the MII (either in the MII BMCR reg or the result
- * of autonegotiation.) If the RPC ANEG bit is cleared, the selection
- * is controlled by the RPC SPEED and RPC DPLX bits.
- */
-static void smc911x_phy_configure(struct work_struct *work)
-{
- struct smc911x_local *lp = container_of(work, struct smc911x_local,
- phy_configure);
- struct net_device *dev = lp->netdev;
- int phyaddr = lp->mii.phy_id;
- int my_phy_caps; /* My PHY capabilities */
- int my_ad_caps; /* My Advertised capabilities */
- int status __always_unused;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s()\n", __func__);
-
- /*
- * We should not be called if phy_type is zero.
- */
- if (lp->phy_type == 0)
- return;
-
- if (smc911x_phy_reset(dev, phyaddr)) {
- netdev_info(dev, "PHY reset timed out\n");
- return;
- }
- spin_lock_irqsave(&lp->lock, flags);
-
- /*
- * Enable PHY Interrupts (for register 18)
- * Interrupts listed here are enabled
- */
- SMC_SET_PHY_INT_MASK(lp, phyaddr, PHY_INT_MASK_ENERGY_ON_ |
- PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_REMOTE_FAULT_ |
- PHY_INT_MASK_LINK_DOWN_);
-
- /* If the user requested no auto neg, then go set his request */
- if (lp->mii.force_media) {
- smc911x_phy_fixed(dev);
- goto smc911x_phy_configure_exit;
- }
-
- /* Copy our capabilities from MII_BMSR to MII_ADVERTISE */
- SMC_GET_PHY_BMSR(lp, phyaddr, my_phy_caps);
- if (!(my_phy_caps & BMSR_ANEGCAPABLE)) {
- netdev_info(dev, "Auto negotiation NOT supported\n");
- smc911x_phy_fixed(dev);
- goto smc911x_phy_configure_exit;
- }
-
- /* CSMA capable w/ both pauses */
- my_ad_caps = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
-
- if (my_phy_caps & BMSR_100BASE4)
- my_ad_caps |= ADVERTISE_100BASE4;
- if (my_phy_caps & BMSR_100FULL)
- my_ad_caps |= ADVERTISE_100FULL;
- if (my_phy_caps & BMSR_100HALF)
- my_ad_caps |= ADVERTISE_100HALF;
- if (my_phy_caps & BMSR_10FULL)
- my_ad_caps |= ADVERTISE_10FULL;
- if (my_phy_caps & BMSR_10HALF)
- my_ad_caps |= ADVERTISE_10HALF;
-
- /* Disable capabilities not selected by our user */
- if (lp->ctl_rspeed != 100)
- my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF);
-
- if (!lp->ctl_rfduplx)
- my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL);
-
- /* Update our Auto-Neg Advertisement Register */
- SMC_SET_PHY_MII_ADV(lp, phyaddr, my_ad_caps);
- lp->mii.advertising = my_ad_caps;
-
- /*
- * Read the register back. Without this, it appears that when
- * auto-negotiation is restarted, sometimes it isn't ready and
- * the link does not come up.
- */
- udelay(10);
- SMC_GET_PHY_MII_ADV(lp, phyaddr, status);
-
- DBG(SMC_DEBUG_MISC, dev, "phy caps=0x%04x\n", my_phy_caps);
- DBG(SMC_DEBUG_MISC, dev, "phy advertised caps=0x%04x\n", my_ad_caps);
-
- /* Restart auto-negotiation process in order to advertise my caps */
- SMC_SET_PHY_BMCR(lp, phyaddr, BMCR_ANENABLE | BMCR_ANRESTART);
-
- smc911x_phy_check_media(dev, 1);
-
-smc911x_phy_configure_exit:
- spin_unlock_irqrestore(&lp->lock, flags);
-}
-
-/*
- * smc911x_phy_interrupt
- *
- * Purpose: Handle interrupts relating to PHY register 18. This is
- * called from the "hard" interrupt handler under our private spinlock.
- */
-static void smc911x_phy_interrupt(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int phyaddr = lp->mii.phy_id;
- int status __always_unused;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- if (lp->phy_type == 0)
- return;
-
- smc911x_phy_check_media(dev, 0);
- /* read to clear status bits */
- SMC_GET_PHY_INT_SRC(lp, phyaddr,status);
- DBG(SMC_DEBUG_MISC, dev, "PHY interrupt status 0x%04x\n",
- status & 0xffff);
- DBG(SMC_DEBUG_MISC, dev, "AFC_CFG 0x%08x\n",
- SMC_GET_AFC_CFG(lp));
-}
-
-/*--- END PHY CONTROL AND CONFIGURATION-------------------------------------*/
-
-/*
- * This is the main routine of the driver, to handle the device when
- * it needs some attention.
- */
-static irqreturn_t smc911x_interrupt(int irq, void *dev_id)
-{
- struct net_device *dev = dev_id;
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int status, mask, timeout;
- unsigned int rx_overrun=0, cr, pkts;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
-
- /* Spurious interrupt check */
- if ((SMC_GET_IRQ_CFG(lp) & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) !=
- (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) {
- spin_unlock_irqrestore(&lp->lock, flags);
- return IRQ_NONE;
- }
-
- mask = SMC_GET_INT_EN(lp);
- SMC_SET_INT_EN(lp, 0);
-
- /* set a timeout value, so I don't stay here forever */
- timeout = 8;
-
-
- do {
- status = SMC_GET_INT(lp);
-
- DBG(SMC_DEBUG_MISC, dev, "INT 0x%08x MASK 0x%08x OUTSIDE MASK 0x%08x\n",
- status, mask, status & ~mask);
-
- status &= mask;
- if (!status)
- break;
-
- /* Handle SW interrupt condition */
- if (status & INT_STS_SW_INT_) {
- SMC_ACK_INT(lp, INT_STS_SW_INT_);
- mask &= ~INT_EN_SW_INT_EN_;
- }
- /* Handle various error conditions */
- if (status & INT_STS_RXE_) {
- SMC_ACK_INT(lp, INT_STS_RXE_);
- dev->stats.rx_errors++;
- }
- if (status & INT_STS_RXDFH_INT_) {
- SMC_ACK_INT(lp, INT_STS_RXDFH_INT_);
- dev->stats.rx_dropped+=SMC_GET_RX_DROP(lp);
- }
- /* Undocumented interrupt-what is the right thing to do here? */
- if (status & INT_STS_RXDF_INT_) {
- SMC_ACK_INT(lp, INT_STS_RXDF_INT_);
- }
-
- /* Rx Data FIFO exceeds set level */
- if (status & INT_STS_RDFL_) {
- if (IS_REV_A(lp->revision)) {
- rx_overrun=1;
- SMC_GET_MAC_CR(lp, cr);
- cr &= ~MAC_CR_RXEN_;
- SMC_SET_MAC_CR(lp, cr);
- DBG(SMC_DEBUG_RX, dev, "RX overrun\n");
- dev->stats.rx_errors++;
- dev->stats.rx_fifo_errors++;
- }
- SMC_ACK_INT(lp, INT_STS_RDFL_);
- }
- if (status & INT_STS_RDFO_) {
- if (!IS_REV_A(lp->revision)) {
- SMC_GET_MAC_CR(lp, cr);
- cr &= ~MAC_CR_RXEN_;
- SMC_SET_MAC_CR(lp, cr);
- rx_overrun=1;
- DBG(SMC_DEBUG_RX, dev, "RX overrun\n");
- dev->stats.rx_errors++;
- dev->stats.rx_fifo_errors++;
- }
- SMC_ACK_INT(lp, INT_STS_RDFO_);
- }
- /* Handle receive condition */
- if ((status & INT_STS_RSFL_) || rx_overrun) {
- unsigned int fifo;
- DBG(SMC_DEBUG_RX, dev, "RX irq\n");
- fifo = SMC_GET_RX_FIFO_INF(lp);
- pkts = (fifo & RX_FIFO_INF_RXSUSED_) >> 16;
- DBG(SMC_DEBUG_RX, dev, "Rx FIFO pkts %d, bytes %d\n",
- pkts, fifo & 0xFFFF);
- if (pkts != 0) {
-#ifdef SMC_USE_DMA
- unsigned int fifo;
- if (lp->rxdma_active){
- DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev,
- "RX DMA active\n");
- /* The DMA is already running so up the IRQ threshold */
- fifo = SMC_GET_FIFO_INT(lp) & ~0xFF;
- fifo |= pkts & 0xFF;
- DBG(SMC_DEBUG_RX, dev,
- "Setting RX stat FIFO threshold to %d\n",
- fifo & 0xff);
- SMC_SET_FIFO_INT(lp, fifo);
- } else
-#endif
- smc911x_rcv(dev);
- }
- SMC_ACK_INT(lp, INT_STS_RSFL_);
- }
- /* Handle transmit FIFO available */
- if (status & INT_STS_TDFA_) {
- DBG(SMC_DEBUG_TX, dev, "TX data FIFO space available irq\n");
- SMC_SET_FIFO_TDA(lp, 0xFF);
- lp->tx_throttle = 0;
-#ifdef SMC_USE_DMA
- if (!lp->txdma_active)
-#endif
- netif_wake_queue(dev);
- SMC_ACK_INT(lp, INT_STS_TDFA_);
- }
- /* Handle transmit done condition */
-#if 1
- if (status & (INT_STS_TSFL_ | INT_STS_GPT_INT_)) {
- DBG(SMC_DEBUG_TX | SMC_DEBUG_MISC, dev,
- "Tx stat FIFO limit (%d) /GPT irq\n",
- (SMC_GET_FIFO_INT(lp) & 0x00ff0000) >> 16);
- smc911x_tx(dev);
- SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
- SMC_ACK_INT(lp, INT_STS_TSFL_);
- SMC_ACK_INT(lp, INT_STS_TSFL_ | INT_STS_GPT_INT_);
- }
-#else
- if (status & INT_STS_TSFL_) {
- DBG(SMC_DEBUG_TX, dev, "TX status FIFO limit (%d) irq\n", ?);
- smc911x_tx(dev);
- SMC_ACK_INT(lp, INT_STS_TSFL_);
- }
-
- if (status & INT_STS_GPT_INT_) {
- DBG(SMC_DEBUG_RX, dev, "IRQ_CFG 0x%08x FIFO_INT 0x%08x RX_CFG 0x%08x\n",
- SMC_GET_IRQ_CFG(lp),
- SMC_GET_FIFO_INT(lp),
- SMC_GET_RX_CFG(lp));
- DBG(SMC_DEBUG_RX, dev, "Rx Stat FIFO Used 0x%02x Data FIFO Used 0x%04x Stat FIFO 0x%08x\n",
- (SMC_GET_RX_FIFO_INF(lp) & 0x00ff0000) >> 16,
- SMC_GET_RX_FIFO_INF(lp) & 0xffff,
- SMC_GET_RX_STS_FIFO_PEEK(lp));
- SMC_SET_GPT_CFG(lp, GPT_CFG_TIMER_EN_ | 10000);
- SMC_ACK_INT(lp, INT_STS_GPT_INT_);
- }
-#endif
-
- /* Handle PHY interrupt condition */
- if (status & INT_STS_PHY_INT_) {
- DBG(SMC_DEBUG_MISC, dev, "PHY irq\n");
- smc911x_phy_interrupt(dev);
- SMC_ACK_INT(lp, INT_STS_PHY_INT_);
- }
- } while (--timeout);
-
- /* restore mask state */
- SMC_SET_INT_EN(lp, mask);
-
- DBG(SMC_DEBUG_MISC, dev, "Interrupt done (%d loops)\n",
- 8-timeout);
-
- spin_unlock_irqrestore(&lp->lock, flags);
-
- return IRQ_HANDLED;
-}
-
-#ifdef SMC_USE_DMA
-static void
-smc911x_tx_dma_irq(void *data)
-{
- struct smc911x_local *lp = data;
- struct net_device *dev = lp->netdev;
- struct sk_buff *skb = lp->current_tx_skb;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev, "TX DMA irq handler\n");
- BUG_ON(skb == NULL);
- dma_unmap_single(lp->dev, tx_dmabuf, tx_dmalen, DMA_TO_DEVICE);
- netif_trans_update(dev);
- dev_kfree_skb_irq(skb);
- lp->current_tx_skb = NULL;
- if (lp->pending_tx_skb != NULL)
- smc911x_hardware_send_pkt(dev);
- else {
- DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev,
- "No pending Tx packets. DMA disabled\n");
- spin_lock_irqsave(&lp->lock, flags);
- lp->txdma_active = 0;
- if (!lp->tx_throttle) {
- netif_wake_queue(dev);
- }
- spin_unlock_irqrestore(&lp->lock, flags);
- }
-
- DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, dev,
- "TX DMA irq completed\n");
-}
-static void
-smc911x_rx_dma_irq(void *data)
-{
- struct smc911x_local *lp = data;
- struct net_device *dev = lp->netdev;
- struct sk_buff *skb = lp->current_rx_skb;
- unsigned long flags;
- unsigned int pkts;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
- DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev, "RX DMA irq handler\n");
- dma_unmap_single(lp->dev, rx_dmabuf, rx_dmalen, DMA_FROM_DEVICE);
- BUG_ON(skb == NULL);
- lp->current_rx_skb = NULL;
- PRINT_PKT(skb->data, skb->len);
- skb->protocol = eth_type_trans(skb, dev);
- dev->stats.rx_packets++;
- dev->stats.rx_bytes += skb->len;
- netif_rx(skb);
-
- spin_lock_irqsave(&lp->lock, flags);
- pkts = (SMC_GET_RX_FIFO_INF(lp) & RX_FIFO_INF_RXSUSED_) >> 16;
- if (pkts != 0) {
- smc911x_rcv(dev);
- }else {
- lp->rxdma_active = 0;
- }
- spin_unlock_irqrestore(&lp->lock, flags);
- DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, dev,
- "RX DMA irq completed. DMA RX FIFO PKTS %d\n",
- pkts);
-}
-#endif /* SMC_USE_DMA */
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * Polling receive - used by netconsole and other diagnostic tools
- * to allow network i/o with interrupts disabled.
- */
-static void smc911x_poll_controller(struct net_device *dev)
-{
- disable_irq(dev->irq);
- smc911x_interrupt(dev->irq, dev);
- enable_irq(dev->irq);
-}
-#endif
-
-/* Our watchdog timed out. Called by the networking layer */
-static void smc911x_timeout(struct net_device *dev, unsigned int txqueue)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int status, mask;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
- status = SMC_GET_INT(lp);
- mask = SMC_GET_INT_EN(lp);
- spin_unlock_irqrestore(&lp->lock, flags);
- DBG(SMC_DEBUG_MISC, dev, "INT 0x%02x MASK 0x%02x\n",
- status, mask);
-
- /* Dump the current TX FIFO contents and restart */
- mask = SMC_GET_TX_CFG(lp);
- SMC_SET_TX_CFG(lp, mask | TX_CFG_TXS_DUMP_ | TX_CFG_TXD_DUMP_);
- /*
- * Reconfiguring the PHY doesn't seem like a bad idea here, but
- * smc911x_phy_configure() calls msleep() which calls schedule_timeout()
- * which calls schedule(). Hence we use a work queue.
- */
- if (lp->phy_type != 0)
- schedule_work(&lp->phy_configure);
-
- /* We can accept TX packets again */
- netif_trans_update(dev); /* prevent tx timeout */
- netif_wake_queue(dev);
-}
-
-/*
- * This routine will, depending on the values passed to it,
- * either make it accept multicast packets, go into
- * promiscuous mode (for TCPDUMP and cousins) or accept
- * a select set of multicast packets
- */
-static void smc911x_set_multicast_list(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int multicast_table[2];
- unsigned int mcr, update_multicast = 0;
- unsigned long flags;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- spin_lock_irqsave(&lp->lock, flags);
- SMC_GET_MAC_CR(lp, mcr);
- spin_unlock_irqrestore(&lp->lock, flags);
-
- if (dev->flags & IFF_PROMISC) {
-
- DBG(SMC_DEBUG_MISC, dev, "RCR_PRMS\n");
- mcr |= MAC_CR_PRMS_;
- }
- /*
- * Here, I am setting this to accept all multicast packets.
- * I don't need to zero the multicast table, because the flag is
- * checked before the table is
- */
- else if (dev->flags & IFF_ALLMULTI || netdev_mc_count(dev) > 16) {
- DBG(SMC_DEBUG_MISC, dev, "RCR_ALMUL\n");
- mcr |= MAC_CR_MCPAS_;
- }
-
- /*
- * This sets the internal hardware table to filter out unwanted
- * multicast packets before they take up memory.
- *
- * The SMC chip uses a hash table where the high 6 bits of the CRC of
- * address are the offset into the table. If that bit is 1, then the
- * multicast packet is accepted. Otherwise, it's dropped silently.
- *
- * To use the 6 bits as an offset into the table, the high 1 bit is
- * the number of the 32 bit register, while the low 5 bits are the bit
- * within that register.
- */
- else if (!netdev_mc_empty(dev)) {
- struct netdev_hw_addr *ha;
-
- /* Set the Hash perfec mode */
- mcr |= MAC_CR_HPFILT_;
-
- /* start with a table of all zeros: reject all */
- memset(multicast_table, 0, sizeof(multicast_table));
-
- netdev_for_each_mc_addr(ha, dev) {
- u32 position;
-
- /* upper 6 bits are used as hash index */
- position = ether_crc(ETH_ALEN, ha->addr)>>26;
-
- multicast_table[position>>5] |= 1 << (position&0x1f);
- }
-
- /* be sure I get rid of flags I might have set */
- mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
-
- /* now, the table can be loaded into the chipset */
- update_multicast = 1;
- } else {
- DBG(SMC_DEBUG_MISC, dev, "~(MAC_CR_PRMS_|MAC_CR_MCPAS_)\n");
- mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
-
- /*
- * since I'm disabling all multicast entirely, I need to
- * clear the multicast list
- */
- memset(multicast_table, 0, sizeof(multicast_table));
- update_multicast = 1;
- }
-
- spin_lock_irqsave(&lp->lock, flags);
- SMC_SET_MAC_CR(lp, mcr);
- if (update_multicast) {
- DBG(SMC_DEBUG_MISC, dev,
- "update mcast hash table 0x%08x 0x%08x\n",
- multicast_table[0], multicast_table[1]);
- SMC_SET_HASHL(lp, multicast_table[0]);
- SMC_SET_HASHH(lp, multicast_table[1]);
- }
- spin_unlock_irqrestore(&lp->lock, flags);
-}
-
-
-/*
- * Open and Initialize the board
- *
- * Set up everything, reset the card, etc..
- */
-static int
-smc911x_open(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- /* reset the hardware */
- smc911x_reset(dev);
-
- /* Configure the PHY, initialize the link state */
- smc911x_phy_configure(&lp->phy_configure);
-
- /* Turn on Tx + Rx */
- smc911x_enable(dev);
-
- netif_start_queue(dev);
-
- return 0;
-}
-
-/*
- * smc911x_close
- *
- * this makes the board clean up everything that it can
- * and not talk to the outside world. Caused by
- * an 'ifconfig ethX down'
- */
-static int smc911x_close(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- netif_stop_queue(dev);
- netif_carrier_off(dev);
-
- /* clear everything */
- smc911x_shutdown(dev);
-
- if (lp->phy_type != 0) {
- /* We need to ensure that no calls to
- * smc911x_phy_configure are pending.
- */
- cancel_work_sync(&lp->phy_configure);
- smc911x_phy_powerdown(dev, lp->mii.phy_id);
- }
-
- if (lp->pending_tx_skb) {
- dev_kfree_skb(lp->pending_tx_skb);
- lp->pending_tx_skb = NULL;
- }
-
- return 0;
-}
-
-/*
- * Ethtool support
- */
-static int
-smc911x_ethtool_get_link_ksettings(struct net_device *dev,
- struct ethtool_link_ksettings *cmd)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int status;
- unsigned long flags;
- u32 supported;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- if (lp->phy_type != 0) {
- spin_lock_irqsave(&lp->lock, flags);
- mii_ethtool_get_link_ksettings(&lp->mii, cmd);
- spin_unlock_irqrestore(&lp->lock, flags);
- } else {
- supported = SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_TP | SUPPORTED_AUI;
-
- if (lp->ctl_rspeed == 10)
- cmd->base.speed = SPEED_10;
- else if (lp->ctl_rspeed == 100)
- cmd->base.speed = SPEED_100;
-
- cmd->base.autoneg = AUTONEG_DISABLE;
- cmd->base.port = 0;
- SMC_GET_PHY_SPECIAL(lp, lp->mii.phy_id, status);
- cmd->base.duplex =
- (status & (PHY_SPECIAL_SPD_10FULL_ | PHY_SPECIAL_SPD_100FULL_)) ?
- DUPLEX_FULL : DUPLEX_HALF;
-
- ethtool_convert_legacy_u32_to_link_mode(
- cmd->link_modes.supported, supported);
-
- }
-
- return 0;
-}
-
-static int
-smc911x_ethtool_set_link_ksettings(struct net_device *dev,
- const struct ethtool_link_ksettings *cmd)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int ret;
- unsigned long flags;
-
- if (lp->phy_type != 0) {
- spin_lock_irqsave(&lp->lock, flags);
- ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd);
- spin_unlock_irqrestore(&lp->lock, flags);
- } else {
- if (cmd->base.autoneg != AUTONEG_DISABLE ||
- cmd->base.speed != SPEED_10 ||
- (cmd->base.duplex != DUPLEX_HALF &&
- cmd->base.duplex != DUPLEX_FULL) ||
- (cmd->base.port != PORT_TP &&
- cmd->base.port != PORT_AUI))
- return -EINVAL;
-
- lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL;
-
- ret = 0;
- }
-
- return ret;
-}
-
-static void
-smc911x_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
- strscpy(info->driver, CARDNAME, sizeof(info->driver));
- strscpy(info->version, version, sizeof(info->version));
- strscpy(info->bus_info, dev_name(dev->dev.parent),
- sizeof(info->bus_info));
-}
-
-static int smc911x_ethtool_nwayreset(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int ret = -EINVAL;
- unsigned long flags;
-
- if (lp->phy_type != 0) {
- spin_lock_irqsave(&lp->lock, flags);
- ret = mii_nway_restart(&lp->mii);
- spin_unlock_irqrestore(&lp->lock, flags);
- }
-
- return ret;
-}
-
-static u32 smc911x_ethtool_getmsglevel(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- return lp->msg_enable;
-}
-
-static void smc911x_ethtool_setmsglevel(struct net_device *dev, u32 level)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- lp->msg_enable = level;
-}
-
-static int smc911x_ethtool_getregslen(struct net_device *dev)
-{
- /* System regs + MAC regs + PHY regs */
- return (((E2P_CMD - ID_REV)/4 + 1) +
- (WUCSR - MAC_CR)+1 + 32) * sizeof(u32);
-}
-
-static void smc911x_ethtool_getregs(struct net_device *dev,
- struct ethtool_regs *regs, void *buf)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned long flags;
- u32 reg,i,j=0;
- u32 *data = (u32*)buf;
-
- regs->version = lp->version;
- for(i=ID_REV;i<=E2P_CMD;i+=4) {
- data[j++] = SMC_inl(lp, i);
- }
- for(i=MAC_CR;i<=WUCSR;i++) {
- spin_lock_irqsave(&lp->lock, flags);
- SMC_GET_MAC_CSR(lp, i, reg);
- spin_unlock_irqrestore(&lp->lock, flags);
- data[j++] = reg;
- }
- for(i=0;i<=31;i++) {
- spin_lock_irqsave(&lp->lock, flags);
- SMC_GET_MII(lp, i, lp->mii.phy_id, reg);
- spin_unlock_irqrestore(&lp->lock, flags);
- data[j++] = reg & 0xFFFF;
- }
-}
-
-static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- unsigned int timeout;
- int e2p_cmd;
-
- e2p_cmd = SMC_GET_E2P_CMD(lp);
- for(timeout=10;(e2p_cmd & E2P_CMD_EPC_BUSY_) && timeout; timeout--) {
- if (e2p_cmd & E2P_CMD_EPC_TIMEOUT_) {
- PRINTK(dev, "%s timeout waiting for EEPROM to respond\n",
- __func__);
- return -EFAULT;
- }
- mdelay(1);
- e2p_cmd = SMC_GET_E2P_CMD(lp);
- }
- if (timeout == 0) {
- PRINTK(dev, "%s timeout waiting for EEPROM CMD not busy\n",
- __func__);
- return -ETIMEDOUT;
- }
- return 0;
-}
-
-static inline int smc911x_ethtool_write_eeprom_cmd(struct net_device *dev,
- int cmd, int addr)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int ret;
-
- if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
- return ret;
- SMC_SET_E2P_CMD(lp, E2P_CMD_EPC_BUSY_ |
- ((cmd) & (0x7<<28)) |
- ((addr) & 0xFF));
- return 0;
-}
-
-static inline int smc911x_ethtool_read_eeprom_byte(struct net_device *dev,
- u8 *data)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int ret;
-
- if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
- return ret;
- *data = SMC_GET_E2P_DATA(lp);
- return 0;
-}
-
-static inline int smc911x_ethtool_write_eeprom_byte(struct net_device *dev,
- u8 data)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int ret;
-
- if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0)
- return ret;
- SMC_SET_E2P_DATA(lp, data);
- return 0;
-}
-
-static int smc911x_ethtool_geteeprom(struct net_device *dev,
- struct ethtool_eeprom *eeprom, u8 *data)
-{
- u8 eebuf[SMC911X_EEPROM_LEN];
- int i, ret;
-
- for(i=0;i<SMC911X_EEPROM_LEN;i++) {
- if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_READ_, i ))!=0)
- return ret;
- if ((ret=smc911x_ethtool_read_eeprom_byte(dev, &eebuf[i]))!=0)
- return ret;
- }
- memcpy(data, eebuf+eeprom->offset, eeprom->len);
- return 0;
-}
-
-static int smc911x_ethtool_seteeprom(struct net_device *dev,
- struct ethtool_eeprom *eeprom, u8 *data)
-{
- int i, ret;
-
- /* Enable erase */
- if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_EWEN_, 0 ))!=0)
- return ret;
- for(i=eeprom->offset;i<(eeprom->offset+eeprom->len);i++) {
- /* erase byte */
- if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_ERASE_, i ))!=0)
- return ret;
- /* write byte */
- if ((ret=smc911x_ethtool_write_eeprom_byte(dev, *data))!=0)
- return ret;
- if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_WRITE_, i ))!=0)
- return ret;
- }
- return 0;
-}
-
-static int smc911x_ethtool_geteeprom_len(struct net_device *dev)
-{
- return SMC911X_EEPROM_LEN;
-}
-
-static const struct ethtool_ops smc911x_ethtool_ops = {
- .get_drvinfo = smc911x_ethtool_getdrvinfo,
- .get_msglevel = smc911x_ethtool_getmsglevel,
- .set_msglevel = smc911x_ethtool_setmsglevel,
- .nway_reset = smc911x_ethtool_nwayreset,
- .get_link = ethtool_op_get_link,
- .get_regs_len = smc911x_ethtool_getregslen,
- .get_regs = smc911x_ethtool_getregs,
- .get_eeprom_len = smc911x_ethtool_geteeprom_len,
- .get_eeprom = smc911x_ethtool_geteeprom,
- .set_eeprom = smc911x_ethtool_seteeprom,
- .get_link_ksettings = smc911x_ethtool_get_link_ksettings,
- .set_link_ksettings = smc911x_ethtool_set_link_ksettings,
-};
-
-/*
- * smc911x_findirq
- *
- * This routine has a simple purpose -- make the SMC chip generate an
- * interrupt, so an auto-detect routine can detect it, and find the IRQ,
- */
-static int smc911x_findirq(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int timeout = 20;
- unsigned long cookie;
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- cookie = probe_irq_on();
-
- /*
- * Force a SW interrupt
- */
-
- SMC_SET_INT_EN(lp, INT_EN_SW_INT_EN_);
-
- /*
- * Wait until positive that the interrupt has been generated
- */
- do {
- int int_status;
- udelay(10);
- int_status = SMC_GET_INT_EN(lp);
- if (int_status & INT_EN_SW_INT_EN_)
- break; /* got the interrupt */
- } while (--timeout);
-
- /*
- * there is really nothing that I can do here if timeout fails,
- * as autoirq_report will return a 0 anyway, which is what I
- * want in this case. Plus, the clean up is needed in both
- * cases.
- */
-
- /* and disable all interrupts again */
- SMC_SET_INT_EN(lp, 0);
-
- /* and return what I found */
- return probe_irq_off(cookie);
-}
-
-static const struct net_device_ops smc911x_netdev_ops = {
- .ndo_open = smc911x_open,
- .ndo_stop = smc911x_close,
- .ndo_start_xmit = smc911x_hard_start_xmit,
- .ndo_tx_timeout = smc911x_timeout,
- .ndo_set_rx_mode = smc911x_set_multicast_list,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = smc911x_poll_controller,
-#endif
-};
-
-/*
- * Function: smc911x_probe(unsigned long ioaddr)
- *
- * Purpose:
- * Tests to see if a given ioaddr points to an SMC911x chip.
- * Returns a 0 on success
- *
- * Algorithm:
- * (1) see if the endian word is OK
- * (1) see if I recognize the chip ID in the appropriate register
- *
- * Here I do typical initialization tasks.
- *
- * o Initialize the structure if needed
- * o print out my vanity message if not done so already
- * o print out what type of hardware is detected
- * o print out the ethernet address
- * o find the IRQ
- * o set up my private data
- * o configure the dev structure with my subroutines
- * o actually GRAB the irq.
- * o GRAB the region
- */
-static int smc911x_probe(struct net_device *dev)
-{
- struct smc911x_local *lp = netdev_priv(dev);
- int i, retval;
- unsigned int val, chip_id, revision;
- const char *version_string;
- unsigned long irq_flags;
-#ifdef SMC_USE_DMA
- struct dma_slave_config config;
- dma_cap_mask_t mask;
-#endif
- u8 addr[ETH_ALEN];
-
- DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
-
- /* First, see if the endian word is recognized */
- val = SMC_GET_BYTE_TEST(lp);
- DBG(SMC_DEBUG_MISC, dev, "%s: endian probe returned 0x%04x\n",
- CARDNAME, val);
- if (val != 0x87654321) {
- netdev_err(dev, "Invalid chip endian 0x%08x\n", val);
- retval = -ENODEV;
- goto err_out;
- }
-
- /*
- * check if the revision register is something that I
- * recognize. These might need to be added to later,
- * as future revisions could be added.
- */
- chip_id = SMC_GET_PN(lp);
- DBG(SMC_DEBUG_MISC, dev, "%s: id probe returned 0x%04x\n",
- CARDNAME, chip_id);
- for(i=0;chip_ids[i].id != 0; i++) {
- if (chip_ids[i].id == chip_id) break;
- }
- if (!chip_ids[i].id) {
- netdev_err(dev, "Unknown chip ID %04x\n", chip_id);
- retval = -ENODEV;
- goto err_out;
- }
- version_string = chip_ids[i].name;
-
- revision = SMC_GET_REV(lp);
- DBG(SMC_DEBUG_MISC, dev, "%s: revision = 0x%04x\n", CARDNAME, revision);
-
- /* At this point I'll assume that the chip is an SMC911x. */
- DBG(SMC_DEBUG_MISC, dev, "%s: Found a %s\n",
- CARDNAME, chip_ids[i].name);
-
- /* Validate the TX FIFO size requested */
- if ((tx_fifo_kb < 2) || (tx_fifo_kb > 14)) {
- netdev_err(dev, "Invalid TX FIFO size requested %d\n",
- tx_fifo_kb);
- retval = -EINVAL;
- goto err_out;
- }
-
- /* fill in some of the fields */
- lp->version = chip_ids[i].id;
- lp->revision = revision;
- lp->tx_fifo_kb = tx_fifo_kb;
- /* Reverse calculate the RX FIFO size from the TX */
- lp->tx_fifo_size=(lp->tx_fifo_kb<<10) - 512;
- lp->rx_fifo_size= ((0x4000 - 512 - lp->tx_fifo_size) / 16) * 15;
-
- /* Set the automatic flow control values */
- switch(lp->tx_fifo_kb) {
- /*
- * AFC_HI is about ((Rx Data Fifo Size)*2/3)/64
- * AFC_LO is AFC_HI/2
- * BACK_DUR is about 5uS*(AFC_LO) rounded down
- */
- case 2:/* 13440 Rx Data Fifo Size */
- lp->afc_cfg=0x008C46AF;break;
- case 3:/* 12480 Rx Data Fifo Size */
- lp->afc_cfg=0x0082419F;break;
- case 4:/* 11520 Rx Data Fifo Size */
- lp->afc_cfg=0x00783C9F;break;
- case 5:/* 10560 Rx Data Fifo Size */
- lp->afc_cfg=0x006E374F;break;
- case 6:/* 9600 Rx Data Fifo Size */
- lp->afc_cfg=0x0064328F;break;
- case 7:/* 8640 Rx Data Fifo Size */
- lp->afc_cfg=0x005A2D7F;break;
- case 8:/* 7680 Rx Data Fifo Size */
- lp->afc_cfg=0x0050287F;break;
- case 9:/* 6720 Rx Data Fifo Size */
- lp->afc_cfg=0x0046236F;break;
- case 10:/* 5760 Rx Data Fifo Size */
- lp->afc_cfg=0x003C1E6F;break;
- case 11:/* 4800 Rx Data Fifo Size */
- lp->afc_cfg=0x0032195F;break;
- /*
- * AFC_HI is ~1520 bytes less than RX Data Fifo Size
- * AFC_LO is AFC_HI/2
- * BACK_DUR is about 5uS*(AFC_LO) rounded down
- */
- case 12:/* 3840 Rx Data Fifo Size */
- lp->afc_cfg=0x0024124F;break;
- case 13:/* 2880 Rx Data Fifo Size */
- lp->afc_cfg=0x0015073F;break;
- case 14:/* 1920 Rx Data Fifo Size */
- lp->afc_cfg=0x0006032F;break;
- default:
- PRINTK(dev, "ERROR -- no AFC_CFG setting found");
- break;
- }
-
- DBG(SMC_DEBUG_MISC | SMC_DEBUG_TX | SMC_DEBUG_RX, dev,
- "%s: tx_fifo %d rx_fifo %d afc_cfg 0x%08x\n", CARDNAME,
- lp->tx_fifo_size, lp->rx_fifo_size, lp->afc_cfg);
-
- spin_lock_init(&lp->lock);
-
- /* Get the MAC address */
- SMC_GET_MAC_ADDR(lp, addr);
- eth_hw_addr_set(dev, addr);
-
- /* now, reset the chip, and put it into a known state */
- smc911x_reset(dev);
-
- /*
- * If dev->irq is 0, then the device has to be banged on to see
- * what the IRQ is.
- *
- * Specifying an IRQ is done with the assumption that the user knows
- * what (s)he is doing. No checking is done!!!!
- */
- if (dev->irq < 1) {
- int trials;
-
- trials = 3;
- while (trials--) {
- dev->irq = smc911x_findirq(dev);
- if (dev->irq)
- break;
- /* kick the card and try again */
- smc911x_reset(dev);
- }
- }
- if (dev->irq == 0) {
- netdev_warn(dev, "Couldn't autodetect your IRQ. Use irq=xx.\n");
- retval = -ENODEV;
- goto err_out;
- }
- dev->irq = irq_canonicalize(dev->irq);
-
- dev->netdev_ops = &smc911x_netdev_ops;
- dev->watchdog_timeo = msecs_to_jiffies(watchdog);
- dev->ethtool_ops = &smc911x_ethtool_ops;
-
- INIT_WORK(&lp->phy_configure, smc911x_phy_configure);
- lp->mii.phy_id_mask = 0x1f;
- lp->mii.reg_num_mask = 0x1f;
- lp->mii.force_media = 0;
- lp->mii.full_duplex = 0;
- lp->mii.dev = dev;
- lp->mii.mdio_read = smc911x_phy_read;
- lp->mii.mdio_write = smc911x_phy_write;
-
- /*
- * Locate the phy, if any.
- */
- smc911x_phy_detect(dev);
-
- /* Set default parameters */
- lp->msg_enable = NETIF_MSG_LINK;
- lp->ctl_rfduplx = 1;
- lp->ctl_rspeed = 100;
-
-#ifdef SMC_DYNAMIC_BUS_CONFIG
- irq_flags = lp->cfg.irq_flags;
-#else
- irq_flags = IRQF_SHARED | SMC_IRQ_SENSE;
-#endif
-
- /* Grab the IRQ */
- retval = request_irq(dev->irq, smc911x_interrupt,
- irq_flags, dev->name, dev);
- if (retval)
- goto err_out;
-
-#ifdef SMC_USE_DMA
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- lp->rxdma = dma_request_channel(mask, NULL, NULL);
- lp->txdma = dma_request_channel(mask, NULL, NULL);
- lp->rxdma_active = 0;
- lp->txdma_active = 0;
-
- memset(&config, 0, sizeof(config));
- config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- config.src_addr = lp->physaddr + RX_DATA_FIFO;
- config.dst_addr = lp->physaddr + TX_DATA_FIFO;
- config.src_maxburst = 32;
- config.dst_maxburst = 32;
- retval = dmaengine_slave_config(lp->rxdma, &config);
- if (retval) {
- dev_err(lp->dev, "dma rx channel configuration failed: %d\n",
- retval);
- goto err_out;
- }
- retval = dmaengine_slave_config(lp->txdma, &config);
- if (retval) {
- dev_err(lp->dev, "dma tx channel configuration failed: %d\n",
- retval);
- goto err_out;
- }
-#endif
-
- retval = register_netdev(dev);
- if (retval == 0) {
- /* now, print out the card info, in a short format.. */
- netdev_info(dev, "%s (rev %d) at %#lx IRQ %d",
- version_string, lp->revision,
- dev->base_addr, dev->irq);
-
-#ifdef SMC_USE_DMA
- if (lp->rxdma)
- pr_cont(" RXDMA %p", lp->rxdma);
-
- if (lp->txdma)
- pr_cont(" TXDMA %p", lp->txdma);
-#endif
- pr_cont("\n");
- if (!is_valid_ether_addr(dev->dev_addr)) {
- netdev_warn(dev, "Invalid ethernet MAC address. Please set using ifconfig\n");
- } else {
- /* Print the Ethernet address */
- netdev_info(dev, "Ethernet addr: %pM\n",
- dev->dev_addr);
- }
-
- if (lp->phy_type == 0) {
- PRINTK(dev, "No PHY found\n");
- } else if ((lp->phy_type & ~0xff) == LAN911X_INTERNAL_PHY_ID) {
- PRINTK(dev, "LAN911x Internal PHY\n");
- } else {
- PRINTK(dev, "External PHY 0x%08x\n", lp->phy_type);
- }
- }
-
-err_out:
-#ifdef SMC_USE_DMA
- if (retval) {
- if (lp->rxdma)
- dma_release_channel(lp->rxdma);
- if (lp->txdma)
- dma_release_channel(lp->txdma);
- }
-#endif
- return retval;
-}
-
-/*
- * smc911x_drv_probe(void)
- *
- * Output:
- * 0 --> there is a device
- * anything else, error
- */
-static int smc911x_drv_probe(struct platform_device *pdev)
-{
- struct net_device *ndev;
- struct resource *res;
- struct smc911x_local *lp;
- void __iomem *addr;
- int ret;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- ret = -ENODEV;
- goto out;
- }
-
- /*
- * Request the regions.
- */
- if (!request_mem_region(res->start, SMC911X_IO_EXTENT, CARDNAME)) {
- ret = -EBUSY;
- goto out;
- }
-
- ndev = alloc_etherdev(sizeof(struct smc911x_local));
- if (!ndev) {
- ret = -ENOMEM;
- goto release_1;
- }
- SET_NETDEV_DEV(ndev, &pdev->dev);
-
- ndev->dma = (unsigned char)-1;
- ndev->irq = platform_get_irq(pdev, 0);
- if (ndev->irq < 0) {
- ret = ndev->irq;
- goto release_both;
- }
-
- lp = netdev_priv(ndev);
- lp->netdev = ndev;
-#ifdef SMC_DYNAMIC_BUS_CONFIG
- {
- struct smc911x_platdata *pd = dev_get_platdata(&pdev->dev);
- if (!pd) {
- ret = -EINVAL;
- goto release_both;
- }
- memcpy(&lp->cfg, pd, sizeof(lp->cfg));
- }
-#endif
-
- addr = ioremap(res->start, SMC911X_IO_EXTENT);
- if (!addr) {
- ret = -ENOMEM;
- goto release_both;
- }
-
- platform_set_drvdata(pdev, ndev);
- lp->base = addr;
- ndev->base_addr = res->start;
- ret = smc911x_probe(ndev);
- if (ret != 0) {
- iounmap(addr);
-release_both:
- free_netdev(ndev);
-release_1:
- release_mem_region(res->start, SMC911X_IO_EXTENT);
-out:
- pr_info("%s: not found (%d).\n", CARDNAME, ret);
- }
-#ifdef SMC_USE_DMA
- else {
- lp->physaddr = res->start;
- lp->dev = &pdev->dev;
- }
-#endif
-
- return ret;
-}
-
-static int smc911x_drv_remove(struct platform_device *pdev)
-{
- struct net_device *ndev = platform_get_drvdata(pdev);
- struct smc911x_local *lp = netdev_priv(ndev);
- struct resource *res;
-
- DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
-
- unregister_netdev(ndev);
-
- free_irq(ndev->irq, ndev);
-
-#ifdef SMC_USE_DMA
- {
- if (lp->rxdma)
- dma_release_channel(lp->rxdma);
- if (lp->txdma)
- dma_release_channel(lp->txdma);
- }
-#endif
- iounmap(lp->base);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, SMC911X_IO_EXTENT);
-
- free_netdev(ndev);
- return 0;
-}
-
-static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state)
-{
- struct net_device *ndev = platform_get_drvdata(dev);
- struct smc911x_local *lp = netdev_priv(ndev);
-
- DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
- if (ndev) {
- if (netif_running(ndev)) {
- netif_device_detach(ndev);
- smc911x_shutdown(ndev);
-#if POWER_DOWN
- /* Set D2 - Energy detect only setting */
- SMC_SET_PMT_CTRL(lp, 2<<12);
-#endif
- }
- }
- return 0;
-}
-
-static int smc911x_drv_resume(struct platform_device *dev)
-{
- struct net_device *ndev = platform_get_drvdata(dev);
-
- DBG(SMC_DEBUG_FUNC, ndev, "--> %s\n", __func__);
- if (ndev) {
- struct smc911x_local *lp = netdev_priv(ndev);
-
- if (netif_running(ndev)) {
- smc911x_reset(ndev);
- if (lp->phy_type != 0)
- smc911x_phy_configure(&lp->phy_configure);
- smc911x_enable(ndev);
- netif_device_attach(ndev);
- }
- }
- return 0;
-}
-
-static struct platform_driver smc911x_driver = {
- .probe = smc911x_drv_probe,
- .remove = smc911x_drv_remove,
- .suspend = smc911x_drv_suspend,
- .resume = smc911x_drv_resume,
- .driver = {
- .name = CARDNAME,
- },
-};
-
-module_platform_driver(smc911x_driver);
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*------------------------------------------------------------------------
- . smc911x.h - macros for SMSC's LAN911{5,6,7,8} single-chip Ethernet device.
- .
- . Copyright (C) 2005 Sensoria Corp.
- . Derived from the unified SMC91x driver by Nicolas Pitre
- .
- .
- . Information contained in this file was obtained from the LAN9118
- . manual from SMC. To get a copy, if you really want one, you can find
- . information under www.smsc.com.
- .
- . Authors
- . Dustin McIntire <dustin@sensoria.com>
- .
- ---------------------------------------------------------------------------*/
-#ifndef _SMC911X_H_
-#define _SMC911X_H_
-
-#include <linux/smc911x.h>
-/*
- * Use the DMA feature on PXA chips
- */
-#ifdef CONFIG_ARCH_PXA
- #define SMC_USE_PXA_DMA 1
- #define SMC_USE_16BIT 0
- #define SMC_USE_32BIT 1
- #define SMC_IRQ_SENSE IRQF_TRIGGER_FALLING
-#elif defined(CONFIG_SH_MAGIC_PANEL_R2)
- #define SMC_USE_16BIT 0
- #define SMC_USE_32BIT 1
- #define SMC_IRQ_SENSE IRQF_TRIGGER_LOW
-#elif defined(CONFIG_ARCH_OMAP3)
- #define SMC_USE_16BIT 0
- #define SMC_USE_32BIT 1
- #define SMC_IRQ_SENSE IRQF_TRIGGER_LOW
- #define SMC_MEM_RESERVED 1
-#elif defined(CONFIG_ARCH_OMAP2)
- #define SMC_USE_16BIT 0
- #define SMC_USE_32BIT 1
- #define SMC_IRQ_SENSE IRQF_TRIGGER_LOW
- #define SMC_MEM_RESERVED 1
-#else
-/*
- * Default configuration
- */
-
-#define SMC_DYNAMIC_BUS_CONFIG
-#endif
-
-#ifdef SMC_USE_PXA_DMA
-#define SMC_USE_DMA
-#endif
-
-/* store this information for the driver.. */
-struct smc911x_local {
- /*
- * If I have to wait until the DMA is finished and ready to reload a
- * packet, I will store the skbuff here. Then, the DMA will send it
- * out and free it.
- */
- struct sk_buff *pending_tx_skb;
-
- /* version/revision of the SMC911x chip */
- u16 version;
- u16 revision;
-
- /* FIFO sizes */
- int tx_fifo_kb;
- int tx_fifo_size;
- int rx_fifo_size;
- int afc_cfg;
-
- /* Contains the current active receive/phy mode */
- int ctl_rfduplx;
- int ctl_rspeed;
-
- u32 msg_enable;
- u32 phy_type;
- struct mii_if_info mii;
-
- /* work queue */
- struct work_struct phy_configure;
-
- int tx_throttle;
- spinlock_t lock;
-
- struct net_device *netdev;
-
-#ifdef SMC_USE_DMA
- /* DMA needs the physical address of the chip */
- u_long physaddr;
- struct dma_chan *rxdma;
- struct dma_chan *txdma;
- int rxdma_active;
- int txdma_active;
- struct sk_buff *current_rx_skb;
- struct sk_buff *current_tx_skb;
- struct device *dev;
-#endif
- void __iomem *base;
-#ifdef SMC_DYNAMIC_BUS_CONFIG
- struct smc911x_platdata cfg;
-#endif
-};
-
-/*
- * Define the bus width specific IO macros
- */
-
-#ifdef SMC_DYNAMIC_BUS_CONFIG
-static inline unsigned int SMC_inl(struct smc911x_local *lp, int reg)
-{
- void __iomem *ioaddr = lp->base + reg;
-
- if (lp->cfg.flags & SMC911X_USE_32BIT)
- return readl(ioaddr);
-
- if (lp->cfg.flags & SMC911X_USE_16BIT)
- return readw(ioaddr) | (readw(ioaddr + 2) << 16);
-
- BUG();
-}
-
-static inline void SMC_outl(unsigned int value, struct smc911x_local *lp,
- int reg)
-{
- void __iomem *ioaddr = lp->base + reg;
-
- if (lp->cfg.flags & SMC911X_USE_32BIT) {
- writel(value, ioaddr);
- return;
- }
-
- if (lp->cfg.flags & SMC911X_USE_16BIT) {
- writew(value & 0xffff, ioaddr);
- writew(value >> 16, ioaddr + 2);
- return;
- }
-
- BUG();
-}
-
-static inline void SMC_insl(struct smc911x_local *lp, int reg,
- void *addr, unsigned int count)
-{
- void __iomem *ioaddr = lp->base + reg;
-
- if (lp->cfg.flags & SMC911X_USE_32BIT) {
- ioread32_rep(ioaddr, addr, count);
- return;
- }
-
- if (lp->cfg.flags & SMC911X_USE_16BIT) {
- ioread16_rep(ioaddr, addr, count * 2);
- return;
- }
-
- BUG();
-}
-
-static inline void SMC_outsl(struct smc911x_local *lp, int reg,
- void *addr, unsigned int count)
-{
- void __iomem *ioaddr = lp->base + reg;
-
- if (lp->cfg.flags & SMC911X_USE_32BIT) {
- iowrite32_rep(ioaddr, addr, count);
- return;
- }
-
- if (lp->cfg.flags & SMC911X_USE_16BIT) {
- iowrite16_rep(ioaddr, addr, count * 2);
- return;
- }
-
- BUG();
-}
-#else
-#if SMC_USE_16BIT
-#define SMC_inl(lp, r) ((readw((lp)->base + (r)) & 0xFFFF) + (readw((lp)->base + (r) + 2) << 16))
-#define SMC_outl(v, lp, r) \
- do{ \
- writew(v & 0xFFFF, (lp)->base + (r)); \
- writew(v >> 16, (lp)->base + (r) + 2); \
- } while (0)
-#define SMC_insl(lp, r, p, l) ioread16_rep((short*)((lp)->base + (r)), p, l*2)
-#define SMC_outsl(lp, r, p, l) iowrite16_rep((short*)((lp)->base + (r)), p, l*2)
-
-#elif SMC_USE_32BIT
-#define SMC_inl(lp, r) readl((lp)->base + (r))
-#define SMC_outl(v, lp, r) writel(v, (lp)->base + (r))
-#define SMC_insl(lp, r, p, l) ioread32_rep((int*)((lp)->base + (r)), p, l)
-#define SMC_outsl(lp, r, p, l) iowrite32_rep((int*)((lp)->base + (r)), p, l)
-
-#endif /* SMC_USE_16BIT */
-#endif /* SMC_DYNAMIC_BUS_CONFIG */
-
-
-#ifdef SMC_USE_PXA_DMA
-
-/*
- * Use a DMA for RX and TX packets.
- */
-#include <linux/dma-mapping.h>
-
-static dma_addr_t rx_dmabuf, tx_dmabuf;
-static int rx_dmalen, tx_dmalen;
-static void smc911x_rx_dma_irq(void *data);
-static void smc911x_tx_dma_irq(void *data);
-
-#ifdef SMC_insl
-#undef SMC_insl
-#define SMC_insl(lp, r, p, l) \
- smc_pxa_dma_insl(lp, lp->physaddr, r, lp->rxdma, p, l)
-
-static inline void
-smc_pxa_dma_insl(struct smc911x_local *lp, u_long physaddr,
- int reg, struct dma_chan *dma, u_char *buf, int len)
-{
- struct dma_async_tx_descriptor *tx;
-
- /* 64 bit alignment is required for memory to memory DMA */
- if ((long)buf & 4) {
- *((u32 *)buf) = SMC_inl(lp, reg);
- buf += 4;
- len--;
- }
-
- len *= 4;
- rx_dmabuf = dma_map_single(lp->dev, buf, len, DMA_FROM_DEVICE);
- rx_dmalen = len;
- tx = dmaengine_prep_slave_single(dma, rx_dmabuf, rx_dmalen,
- DMA_DEV_TO_MEM, 0);
- if (tx) {
- tx->callback = smc911x_rx_dma_irq;
- tx->callback_param = lp;
- dmaengine_submit(tx);
- dma_async_issue_pending(dma);
- }
-}
-#endif
-
-#ifdef SMC_outsl
-#undef SMC_outsl
-#define SMC_outsl(lp, r, p, l) \
- smc_pxa_dma_outsl(lp, lp->physaddr, r, lp->txdma, p, l)
-
-static inline void
-smc_pxa_dma_outsl(struct smc911x_local *lp, u_long physaddr,
- int reg, struct dma_chan *dma, u_char *buf, int len)
-{
- struct dma_async_tx_descriptor *tx;
-
- /* 64 bit alignment is required for memory to memory DMA */
- if ((long)buf & 4) {
- SMC_outl(*((u32 *)buf), lp, reg);
- buf += 4;
- len--;
- }
-
- len *= 4;
- tx_dmabuf = dma_map_single(lp->dev, buf, len, DMA_TO_DEVICE);
- tx_dmalen = len;
- tx = dmaengine_prep_slave_single(dma, tx_dmabuf, tx_dmalen,
- DMA_DEV_TO_MEM, 0);
- if (tx) {
- tx->callback = smc911x_tx_dma_irq;
- tx->callback_param = lp;
- dmaengine_submit(tx);
- dma_async_issue_pending(dma);
- }
-}
-#endif
-#endif /* SMC_USE_PXA_DMA */
-
-
-/* Chip Parameters and Register Definitions */
-
-#define SMC911X_TX_FIFO_LOW_THRESHOLD (1536*2)
-
-#define SMC911X_IO_EXTENT 0x100
-
-#define SMC911X_EEPROM_LEN 7
-
-/* Below are the register offsets and bit definitions
- * of the Lan911x memory space
- */
-#define RX_DATA_FIFO (0x00)
-
-#define TX_DATA_FIFO (0x20)
-#define TX_CMD_A_INT_ON_COMP_ (0x80000000)
-#define TX_CMD_A_INT_BUF_END_ALGN_ (0x03000000)
-#define TX_CMD_A_INT_4_BYTE_ALGN_ (0x00000000)
-#define TX_CMD_A_INT_16_BYTE_ALGN_ (0x01000000)
-#define TX_CMD_A_INT_32_BYTE_ALGN_ (0x02000000)
-#define TX_CMD_A_INT_DATA_OFFSET_ (0x001F0000)
-#define TX_CMD_A_INT_FIRST_SEG_ (0x00002000)
-#define TX_CMD_A_INT_LAST_SEG_ (0x00001000)
-#define TX_CMD_A_BUF_SIZE_ (0x000007FF)
-#define TX_CMD_B_PKT_TAG_ (0xFFFF0000)
-#define TX_CMD_B_ADD_CRC_DISABLE_ (0x00002000)
-#define TX_CMD_B_DISABLE_PADDING_ (0x00001000)
-#define TX_CMD_B_PKT_BYTE_LENGTH_ (0x000007FF)
-
-#define RX_STATUS_FIFO (0x40)
-#define RX_STS_PKT_LEN_ (0x3FFF0000)
-#define RX_STS_ES_ (0x00008000)
-#define RX_STS_BCST_ (0x00002000)
-#define RX_STS_LEN_ERR_ (0x00001000)
-#define RX_STS_RUNT_ERR_ (0x00000800)
-#define RX_STS_MCAST_ (0x00000400)
-#define RX_STS_TOO_LONG_ (0x00000080)
-#define RX_STS_COLL_ (0x00000040)
-#define RX_STS_ETH_TYPE_ (0x00000020)
-#define RX_STS_WDOG_TMT_ (0x00000010)
-#define RX_STS_MII_ERR_ (0x00000008)
-#define RX_STS_DRIBBLING_ (0x00000004)
-#define RX_STS_CRC_ERR_ (0x00000002)
-#define RX_STATUS_FIFO_PEEK (0x44)
-#define TX_STATUS_FIFO (0x48)
-#define TX_STS_TAG_ (0xFFFF0000)
-#define TX_STS_ES_ (0x00008000)
-#define TX_STS_LOC_ (0x00000800)
-#define TX_STS_NO_CARR_ (0x00000400)
-#define TX_STS_LATE_COLL_ (0x00000200)
-#define TX_STS_MANY_COLL_ (0x00000100)
-#define TX_STS_COLL_CNT_ (0x00000078)
-#define TX_STS_MANY_DEFER_ (0x00000004)
-#define TX_STS_UNDERRUN_ (0x00000002)
-#define TX_STS_DEFERRED_ (0x00000001)
-#define TX_STATUS_FIFO_PEEK (0x4C)
-#define ID_REV (0x50)
-#define ID_REV_CHIP_ID_ (0xFFFF0000) /* RO */
-#define ID_REV_REV_ID_ (0x0000FFFF) /* RO */
-
-#define INT_CFG (0x54)
-#define INT_CFG_INT_DEAS_ (0xFF000000) /* R/W */
-#define INT_CFG_INT_DEAS_CLR_ (0x00004000)
-#define INT_CFG_INT_DEAS_STS_ (0x00002000)
-#define INT_CFG_IRQ_INT_ (0x00001000) /* RO */
-#define INT_CFG_IRQ_EN_ (0x00000100) /* R/W */
-#define INT_CFG_IRQ_POL_ (0x00000010) /* R/W Not Affected by SW Reset */
-#define INT_CFG_IRQ_TYPE_ (0x00000001) /* R/W Not Affected by SW Reset */
-
-#define INT_STS (0x58)
-#define INT_STS_SW_INT_ (0x80000000) /* R/WC */
-#define INT_STS_TXSTOP_INT_ (0x02000000) /* R/WC */
-#define INT_STS_RXSTOP_INT_ (0x01000000) /* R/WC */
-#define INT_STS_RXDFH_INT_ (0x00800000) /* R/WC */
-#define INT_STS_RXDF_INT_ (0x00400000) /* R/WC */
-#define INT_STS_TX_IOC_ (0x00200000) /* R/WC */
-#define INT_STS_RXD_INT_ (0x00100000) /* R/WC */
-#define INT_STS_GPT_INT_ (0x00080000) /* R/WC */
-#define INT_STS_PHY_INT_ (0x00040000) /* RO */
-#define INT_STS_PME_INT_ (0x00020000) /* R/WC */
-#define INT_STS_TXSO_ (0x00010000) /* R/WC */
-#define INT_STS_RWT_ (0x00008000) /* R/WC */
-#define INT_STS_RXE_ (0x00004000) /* R/WC */
-#define INT_STS_TXE_ (0x00002000) /* R/WC */
-//#define INT_STS_ERX_ (0x00001000) /* R/WC */
-#define INT_STS_TDFU_ (0x00000800) /* R/WC */
-#define INT_STS_TDFO_ (0x00000400) /* R/WC */
-#define INT_STS_TDFA_ (0x00000200) /* R/WC */
-#define INT_STS_TSFF_ (0x00000100) /* R/WC */
-#define INT_STS_TSFL_ (0x00000080) /* R/WC */
-//#define INT_STS_RXDF_ (0x00000040) /* R/WC */
-#define INT_STS_RDFO_ (0x00000040) /* R/WC */
-#define INT_STS_RDFL_ (0x00000020) /* R/WC */
-#define INT_STS_RSFF_ (0x00000010) /* R/WC */
-#define INT_STS_RSFL_ (0x00000008) /* R/WC */
-#define INT_STS_GPIO2_INT_ (0x00000004) /* R/WC */
-#define INT_STS_GPIO1_INT_ (0x00000002) /* R/WC */
-#define INT_STS_GPIO0_INT_ (0x00000001) /* R/WC */
-
-#define INT_EN (0x5C)
-#define INT_EN_SW_INT_EN_ (0x80000000) /* R/W */
-#define INT_EN_TXSTOP_INT_EN_ (0x02000000) /* R/W */
-#define INT_EN_RXSTOP_INT_EN_ (0x01000000) /* R/W */
-#define INT_EN_RXDFH_INT_EN_ (0x00800000) /* R/W */
-//#define INT_EN_RXDF_INT_EN_ (0x00400000) /* R/W */
-#define INT_EN_TIOC_INT_EN_ (0x00200000) /* R/W */
-#define INT_EN_RXD_INT_EN_ (0x00100000) /* R/W */
-#define INT_EN_GPT_INT_EN_ (0x00080000) /* R/W */
-#define INT_EN_PHY_INT_EN_ (0x00040000) /* R/W */
-#define INT_EN_PME_INT_EN_ (0x00020000) /* R/W */
-#define INT_EN_TXSO_EN_ (0x00010000) /* R/W */
-#define INT_EN_RWT_EN_ (0x00008000) /* R/W */
-#define INT_EN_RXE_EN_ (0x00004000) /* R/W */
-#define INT_EN_TXE_EN_ (0x00002000) /* R/W */
-//#define INT_EN_ERX_EN_ (0x00001000) /* R/W */
-#define INT_EN_TDFU_EN_ (0x00000800) /* R/W */
-#define INT_EN_TDFO_EN_ (0x00000400) /* R/W */
-#define INT_EN_TDFA_EN_ (0x00000200) /* R/W */
-#define INT_EN_TSFF_EN_ (0x00000100) /* R/W */
-#define INT_EN_TSFL_EN_ (0x00000080) /* R/W */
-//#define INT_EN_RXDF_EN_ (0x00000040) /* R/W */
-#define INT_EN_RDFO_EN_ (0x00000040) /* R/W */
-#define INT_EN_RDFL_EN_ (0x00000020) /* R/W */
-#define INT_EN_RSFF_EN_ (0x00000010) /* R/W */
-#define INT_EN_RSFL_EN_ (0x00000008) /* R/W */
-#define INT_EN_GPIO2_INT_ (0x00000004) /* R/W */
-#define INT_EN_GPIO1_INT_ (0x00000002) /* R/W */
-#define INT_EN_GPIO0_INT_ (0x00000001) /* R/W */
-
-#define BYTE_TEST (0x64)
-#define FIFO_INT (0x68)
-#define FIFO_INT_TX_AVAIL_LEVEL_ (0xFF000000) /* R/W */
-#define FIFO_INT_TX_STS_LEVEL_ (0x00FF0000) /* R/W */
-#define FIFO_INT_RX_AVAIL_LEVEL_ (0x0000FF00) /* R/W */
-#define FIFO_INT_RX_STS_LEVEL_ (0x000000FF) /* R/W */
-
-#define RX_CFG (0x6C)
-#define RX_CFG_RX_END_ALGN_ (0xC0000000) /* R/W */
-#define RX_CFG_RX_END_ALGN4_ (0x00000000) /* R/W */
-#define RX_CFG_RX_END_ALGN16_ (0x40000000) /* R/W */
-#define RX_CFG_RX_END_ALGN32_ (0x80000000) /* R/W */
-#define RX_CFG_RX_DMA_CNT_ (0x0FFF0000) /* R/W */
-#define RX_CFG_RX_DUMP_ (0x00008000) /* R/W */
-#define RX_CFG_RXDOFF_ (0x00001F00) /* R/W */
-//#define RX_CFG_RXBAD_ (0x00000001) /* R/W */
-
-#define TX_CFG (0x70)
-//#define TX_CFG_TX_DMA_LVL_ (0xE0000000) /* R/W */
-//#define TX_CFG_TX_DMA_CNT_ (0x0FFF0000) /* R/W Self Clearing */
-#define TX_CFG_TXS_DUMP_ (0x00008000) /* Self Clearing */
-#define TX_CFG_TXD_DUMP_ (0x00004000) /* Self Clearing */
-#define TX_CFG_TXSAO_ (0x00000004) /* R/W */
-#define TX_CFG_TX_ON_ (0x00000002) /* R/W */
-#define TX_CFG_STOP_TX_ (0x00000001) /* Self Clearing */
-
-#define HW_CFG (0x74)
-#define HW_CFG_TTM_ (0x00200000) /* R/W */
-#define HW_CFG_SF_ (0x00100000) /* R/W */
-#define HW_CFG_TX_FIF_SZ_ (0x000F0000) /* R/W */
-#define HW_CFG_TR_ (0x00003000) /* R/W */
-#define HW_CFG_PHY_CLK_SEL_ (0x00000060) /* R/W */
-#define HW_CFG_PHY_CLK_SEL_INT_PHY_ (0x00000000) /* R/W */
-#define HW_CFG_PHY_CLK_SEL_EXT_PHY_ (0x00000020) /* R/W */
-#define HW_CFG_PHY_CLK_SEL_CLK_DIS_ (0x00000040) /* R/W */
-#define HW_CFG_SMI_SEL_ (0x00000010) /* R/W */
-#define HW_CFG_EXT_PHY_DET_ (0x00000008) /* RO */
-#define HW_CFG_EXT_PHY_EN_ (0x00000004) /* R/W */
-#define HW_CFG_32_16_BIT_MODE_ (0x00000004) /* RO */
-#define HW_CFG_SRST_TO_ (0x00000002) /* RO */
-#define HW_CFG_SRST_ (0x00000001) /* Self Clearing */
-
-#define RX_DP_CTRL (0x78)
-#define RX_DP_CTRL_RX_FFWD_ (0x80000000) /* R/W */
-#define RX_DP_CTRL_FFWD_BUSY_ (0x80000000) /* RO */
-
-#define RX_FIFO_INF (0x7C)
-#define RX_FIFO_INF_RXSUSED_ (0x00FF0000) /* RO */
-#define RX_FIFO_INF_RXDUSED_ (0x0000FFFF) /* RO */
-
-#define TX_FIFO_INF (0x80)
-#define TX_FIFO_INF_TSUSED_ (0x00FF0000) /* RO */
-#define TX_FIFO_INF_TDFREE_ (0x0000FFFF) /* RO */
-
-#define PMT_CTRL (0x84)
-#define PMT_CTRL_PM_MODE_ (0x00003000) /* Self Clearing */
-#define PMT_CTRL_PHY_RST_ (0x00000400) /* Self Clearing */
-#define PMT_CTRL_WOL_EN_ (0x00000200) /* R/W */
-#define PMT_CTRL_ED_EN_ (0x00000100) /* R/W */
-#define PMT_CTRL_PME_TYPE_ (0x00000040) /* R/W Not Affected by SW Reset */
-#define PMT_CTRL_WUPS_ (0x00000030) /* R/WC */
-#define PMT_CTRL_WUPS_NOWAKE_ (0x00000000) /* R/WC */
-#define PMT_CTRL_WUPS_ED_ (0x00000010) /* R/WC */
-#define PMT_CTRL_WUPS_WOL_ (0x00000020) /* R/WC */
-#define PMT_CTRL_WUPS_MULTI_ (0x00000030) /* R/WC */
-#define PMT_CTRL_PME_IND_ (0x00000008) /* R/W */
-#define PMT_CTRL_PME_POL_ (0x00000004) /* R/W */
-#define PMT_CTRL_PME_EN_ (0x00000002) /* R/W Not Affected by SW Reset */
-#define PMT_CTRL_READY_ (0x00000001) /* RO */
-
-#define GPIO_CFG (0x88)
-#define GPIO_CFG_LED3_EN_ (0x40000000) /* R/W */
-#define GPIO_CFG_LED2_EN_ (0x20000000) /* R/W */
-#define GPIO_CFG_LED1_EN_ (0x10000000) /* R/W */
-#define GPIO_CFG_GPIO2_INT_POL_ (0x04000000) /* R/W */
-#define GPIO_CFG_GPIO1_INT_POL_ (0x02000000) /* R/W */
-#define GPIO_CFG_GPIO0_INT_POL_ (0x01000000) /* R/W */
-#define GPIO_CFG_EEPR_EN_ (0x00700000) /* R/W */
-#define GPIO_CFG_GPIOBUF2_ (0x00040000) /* R/W */
-#define GPIO_CFG_GPIOBUF1_ (0x00020000) /* R/W */
-#define GPIO_CFG_GPIOBUF0_ (0x00010000) /* R/W */
-#define GPIO_CFG_GPIODIR2_ (0x00000400) /* R/W */
-#define GPIO_CFG_GPIODIR1_ (0x00000200) /* R/W */
-#define GPIO_CFG_GPIODIR0_ (0x00000100) /* R/W */
-#define GPIO_CFG_GPIOD4_ (0x00000010) /* R/W */
-#define GPIO_CFG_GPIOD3_ (0x00000008) /* R/W */
-#define GPIO_CFG_GPIOD2_ (0x00000004) /* R/W */
-#define GPIO_CFG_GPIOD1_ (0x00000002) /* R/W */
-#define GPIO_CFG_GPIOD0_ (0x00000001) /* R/W */
-
-#define GPT_CFG (0x8C)
-#define GPT_CFG_TIMER_EN_ (0x20000000) /* R/W */
-#define GPT_CFG_GPT_LOAD_ (0x0000FFFF) /* R/W */
-
-#define GPT_CNT (0x90)
-#define GPT_CNT_GPT_CNT_ (0x0000FFFF) /* RO */
-
-#define ENDIAN (0x98)
-#define FREE_RUN (0x9C)
-#define RX_DROP (0xA0)
-#define MAC_CSR_CMD (0xA4)
-#define MAC_CSR_CMD_CSR_BUSY_ (0x80000000) /* Self Clearing */
-#define MAC_CSR_CMD_R_NOT_W_ (0x40000000) /* R/W */
-#define MAC_CSR_CMD_CSR_ADDR_ (0x000000FF) /* R/W */
-
-#define MAC_CSR_DATA (0xA8)
-#define AFC_CFG (0xAC)
-#define AFC_CFG_AFC_HI_ (0x00FF0000) /* R/W */
-#define AFC_CFG_AFC_LO_ (0x0000FF00) /* R/W */
-#define AFC_CFG_BACK_DUR_ (0x000000F0) /* R/W */
-#define AFC_CFG_FCMULT_ (0x00000008) /* R/W */
-#define AFC_CFG_FCBRD_ (0x00000004) /* R/W */
-#define AFC_CFG_FCADD_ (0x00000002) /* R/W */
-#define AFC_CFG_FCANY_ (0x00000001) /* R/W */
-
-#define E2P_CMD (0xB0)
-#define E2P_CMD_EPC_BUSY_ (0x80000000) /* Self Clearing */
-#define E2P_CMD_EPC_CMD_ (0x70000000) /* R/W */
-#define E2P_CMD_EPC_CMD_READ_ (0x00000000) /* R/W */
-#define E2P_CMD_EPC_CMD_EWDS_ (0x10000000) /* R/W */
-#define E2P_CMD_EPC_CMD_EWEN_ (0x20000000) /* R/W */
-#define E2P_CMD_EPC_CMD_WRITE_ (0x30000000) /* R/W */
-#define E2P_CMD_EPC_CMD_WRAL_ (0x40000000) /* R/W */
-#define E2P_CMD_EPC_CMD_ERASE_ (0x50000000) /* R/W */
-#define E2P_CMD_EPC_CMD_ERAL_ (0x60000000) /* R/W */
-#define E2P_CMD_EPC_CMD_RELOAD_ (0x70000000) /* R/W */
-#define E2P_CMD_EPC_TIMEOUT_ (0x00000200) /* RO */
-#define E2P_CMD_MAC_ADDR_LOADED_ (0x00000100) /* RO */
-#define E2P_CMD_EPC_ADDR_ (0x000000FF) /* R/W */
-
-#define E2P_DATA (0xB4)
-#define E2P_DATA_EEPROM_DATA_ (0x000000FF) /* R/W */
-/* end of LAN register offsets and bit definitions */
-
-/*
- ****************************************************************************
- ****************************************************************************
- * MAC Control and Status Register (Indirect Address)
- * Offset (through the MAC_CSR CMD and DATA port)
- ****************************************************************************
- ****************************************************************************
- *
- */
-#define MAC_CR (0x01) /* R/W */
-
-/* MAC_CR - MAC Control Register */
-#define MAC_CR_RXALL_ (0x80000000)
-// TODO: delete this bit? It is not described in the data sheet.
-#define MAC_CR_HBDIS_ (0x10000000)
-#define MAC_CR_RCVOWN_ (0x00800000)
-#define MAC_CR_LOOPBK_ (0x00200000)
-#define MAC_CR_FDPX_ (0x00100000)
-#define MAC_CR_MCPAS_ (0x00080000)
-#define MAC_CR_PRMS_ (0x00040000)
-#define MAC_CR_INVFILT_ (0x00020000)
-#define MAC_CR_PASSBAD_ (0x00010000)
-#define MAC_CR_HFILT_ (0x00008000)
-#define MAC_CR_HPFILT_ (0x00002000)
-#define MAC_CR_LCOLL_ (0x00001000)
-#define MAC_CR_BCAST_ (0x00000800)
-#define MAC_CR_DISRTY_ (0x00000400)
-#define MAC_CR_PADSTR_ (0x00000100)
-#define MAC_CR_BOLMT_MASK_ (0x000000C0)
-#define MAC_CR_DFCHK_ (0x00000020)
-#define MAC_CR_TXEN_ (0x00000008)
-#define MAC_CR_RXEN_ (0x00000004)
-
-#define ADDRH (0x02) /* R/W mask 0x0000FFFFUL */
-#define ADDRL (0x03) /* R/W mask 0xFFFFFFFFUL */
-#define HASHH (0x04) /* R/W */
-#define HASHL (0x05) /* R/W */
-
-#define MII_ACC (0x06) /* R/W */
-#define MII_ACC_PHY_ADDR_ (0x0000F800)
-#define MII_ACC_MIIRINDA_ (0x000007C0)
-#define MII_ACC_MII_WRITE_ (0x00000002)
-#define MII_ACC_MII_BUSY_ (0x00000001)
-
-#define MII_DATA (0x07) /* R/W mask 0x0000FFFFUL */
-
-#define FLOW (0x08) /* R/W */
-#define FLOW_FCPT_ (0xFFFF0000)
-#define FLOW_FCPASS_ (0x00000004)
-#define FLOW_FCEN_ (0x00000002)
-#define FLOW_FCBSY_ (0x00000001)
-
-#define VLAN1 (0x09) /* R/W mask 0x0000FFFFUL */
-#define VLAN1_VTI1_ (0x0000ffff)
-
-#define VLAN2 (0x0A) /* R/W mask 0x0000FFFFUL */
-#define VLAN2_VTI2_ (0x0000ffff)
-
-#define WUFF (0x0B) /* WO */
-
-#define WUCSR (0x0C) /* R/W */
-#define WUCSR_GUE_ (0x00000200)
-#define WUCSR_WUFR_ (0x00000040)
-#define WUCSR_MPR_ (0x00000020)
-#define WUCSR_WAKE_EN_ (0x00000004)
-#define WUCSR_MPEN_ (0x00000002)
-
-/*
- ****************************************************************************
- * Chip Specific MII Defines
- ****************************************************************************
- *
- * Phy register offsets and bit definitions
- *
- */
-
-#define PHY_MODE_CTRL_STS ((u32)17) /* Mode Control/Status Register */
-//#define MODE_CTRL_STS_FASTRIP_ ((u16)0x4000)
-#define MODE_CTRL_STS_EDPWRDOWN_ ((u16)0x2000)
-//#define MODE_CTRL_STS_LOWSQEN_ ((u16)0x0800)
-//#define MODE_CTRL_STS_MDPREBP_ ((u16)0x0400)
-//#define MODE_CTRL_STS_FARLOOPBACK_ ((u16)0x0200)
-//#define MODE_CTRL_STS_FASTEST_ ((u16)0x0100)
-//#define MODE_CTRL_STS_REFCLKEN_ ((u16)0x0010)
-//#define MODE_CTRL_STS_PHYADBP_ ((u16)0x0008)
-//#define MODE_CTRL_STS_FORCE_G_LINK_ ((u16)0x0004)
-#define MODE_CTRL_STS_ENERGYON_ ((u16)0x0002)
-
-#define PHY_INT_SRC ((u32)29)
-#define PHY_INT_SRC_ENERGY_ON_ ((u16)0x0080)
-#define PHY_INT_SRC_ANEG_COMP_ ((u16)0x0040)
-#define PHY_INT_SRC_REMOTE_FAULT_ ((u16)0x0020)
-#define PHY_INT_SRC_LINK_DOWN_ ((u16)0x0010)
-#define PHY_INT_SRC_ANEG_LP_ACK_ ((u16)0x0008)
-#define PHY_INT_SRC_PAR_DET_FAULT_ ((u16)0x0004)
-#define PHY_INT_SRC_ANEG_PGRX_ ((u16)0x0002)
-
-#define PHY_INT_MASK ((u32)30)
-#define PHY_INT_MASK_ENERGY_ON_ ((u16)0x0080)
-#define PHY_INT_MASK_ANEG_COMP_ ((u16)0x0040)
-#define PHY_INT_MASK_REMOTE_FAULT_ ((u16)0x0020)
-#define PHY_INT_MASK_LINK_DOWN_ ((u16)0x0010)
-#define PHY_INT_MASK_ANEG_LP_ACK_ ((u16)0x0008)
-#define PHY_INT_MASK_PAR_DET_FAULT_ ((u16)0x0004)
-#define PHY_INT_MASK_ANEG_PGRX_ ((u16)0x0002)
-
-#define PHY_SPECIAL ((u32)31)
-#define PHY_SPECIAL_ANEG_DONE_ ((u16)0x1000)
-#define PHY_SPECIAL_RES_ ((u16)0x0040)
-#define PHY_SPECIAL_RES_MASK_ ((u16)0x0FE1)
-#define PHY_SPECIAL_SPD_ ((u16)0x001C)
-#define PHY_SPECIAL_SPD_10HALF_ ((u16)0x0004)
-#define PHY_SPECIAL_SPD_10FULL_ ((u16)0x0014)
-#define PHY_SPECIAL_SPD_100HALF_ ((u16)0x0008)
-#define PHY_SPECIAL_SPD_100FULL_ ((u16)0x0018)
-
-#define LAN911X_INTERNAL_PHY_ID (0x0007C000)
-
-/* Chip ID values */
-#define CHIP_9115 0x0115
-#define CHIP_9116 0x0116
-#define CHIP_9117 0x0117
-#define CHIP_9118 0x0118
-#define CHIP_9211 0x9211
-#define CHIP_9215 0x115A
-#define CHIP_9217 0x117A
-#define CHIP_9218 0x118A
-
-struct chip_id {
- u16 id;
- char *name;
-};
-
-static const struct chip_id chip_ids[] = {
- { CHIP_9115, "LAN9115" },
- { CHIP_9116, "LAN9116" },
- { CHIP_9117, "LAN9117" },
- { CHIP_9118, "LAN9118" },
- { CHIP_9211, "LAN9211" },
- { CHIP_9215, "LAN9215" },
- { CHIP_9217, "LAN9217" },
- { CHIP_9218, "LAN9218" },
- { 0, NULL },
-};
-
-#define IS_REV_A(x) ((x & 0xFFFF)==0)
-
-/*
- * Macros to abstract register access according to the data bus
- * capabilities. Please use those and not the in/out primitives.
- */
-/* FIFO read/write macros */
-#define SMC_PUSH_DATA(lp, p, l) SMC_outsl( lp, TX_DATA_FIFO, p, (l) >> 2 )
-#define SMC_PULL_DATA(lp, p, l) SMC_insl ( lp, RX_DATA_FIFO, p, (l) >> 2 )
-#define SMC_SET_TX_FIFO(lp, x) SMC_outl( x, lp, TX_DATA_FIFO )
-#define SMC_GET_RX_FIFO(lp) SMC_inl( lp, RX_DATA_FIFO )
-
-
-/* I/O mapped register read/write macros */
-#define SMC_GET_TX_STS_FIFO(lp) SMC_inl( lp, TX_STATUS_FIFO )
-#define SMC_GET_RX_STS_FIFO(lp) SMC_inl( lp, RX_STATUS_FIFO )
-#define SMC_GET_RX_STS_FIFO_PEEK(lp) SMC_inl( lp, RX_STATUS_FIFO_PEEK )
-#define SMC_GET_PN(lp) (SMC_inl( lp, ID_REV ) >> 16)
-#define SMC_GET_REV(lp) (SMC_inl( lp, ID_REV ) & 0xFFFF)
-#define SMC_GET_IRQ_CFG(lp) SMC_inl( lp, INT_CFG )
-#define SMC_SET_IRQ_CFG(lp, x) SMC_outl( x, lp, INT_CFG )
-#define SMC_GET_INT(lp) SMC_inl( lp, INT_STS )
-#define SMC_ACK_INT(lp, x) SMC_outl( x, lp, INT_STS )
-#define SMC_GET_INT_EN(lp) SMC_inl( lp, INT_EN )
-#define SMC_SET_INT_EN(lp, x) SMC_outl( x, lp, INT_EN )
-#define SMC_GET_BYTE_TEST(lp) SMC_inl( lp, BYTE_TEST )
-#define SMC_SET_BYTE_TEST(lp, x) SMC_outl( x, lp, BYTE_TEST )
-#define SMC_GET_FIFO_INT(lp) SMC_inl( lp, FIFO_INT )
-#define SMC_SET_FIFO_INT(lp, x) SMC_outl( x, lp, FIFO_INT )
-#define SMC_SET_FIFO_TDA(lp, x) \
- do { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<24); \
- SMC_SET_FIFO_INT( (lp), __mask | (x)<<24 ); \
- local_irq_restore(__flags); \
- } while (0)
-#define SMC_SET_FIFO_TSL(lp, x) \
- do { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<16); \
- SMC_SET_FIFO_INT( (lp), __mask | (((x) & 0xFF)<<16)); \
- local_irq_restore(__flags); \
- } while (0)
-#define SMC_SET_FIFO_RSA(lp, x) \
- do { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_GET_FIFO_INT((lp)) & ~(0xFF<<8); \
- SMC_SET_FIFO_INT( (lp), __mask | (((x) & 0xFF)<<8)); \
- local_irq_restore(__flags); \
- } while (0)
-#define SMC_SET_FIFO_RSL(lp, x) \
- do { \
- unsigned long __flags; \
- int __mask; \
- local_irq_save(__flags); \
- __mask = SMC_GET_FIFO_INT((lp)) & ~0xFF; \
- SMC_SET_FIFO_INT( (lp),__mask | ((x) & 0xFF)); \
- local_irq_restore(__flags); \
- } while (0)
-#define SMC_GET_RX_CFG(lp) SMC_inl( lp, RX_CFG )
-#define SMC_SET_RX_CFG(lp, x) SMC_outl( x, lp, RX_CFG )
-#define SMC_GET_TX_CFG(lp) SMC_inl( lp, TX_CFG )
-#define SMC_SET_TX_CFG(lp, x) SMC_outl( x, lp, TX_CFG )
-#define SMC_GET_HW_CFG(lp) SMC_inl( lp, HW_CFG )
-#define SMC_SET_HW_CFG(lp, x) SMC_outl( x, lp, HW_CFG )
-#define SMC_GET_RX_DP_CTRL(lp) SMC_inl( lp, RX_DP_CTRL )
-#define SMC_SET_RX_DP_CTRL(lp, x) SMC_outl( x, lp, RX_DP_CTRL )
-#define SMC_GET_PMT_CTRL(lp) SMC_inl( lp, PMT_CTRL )
-#define SMC_SET_PMT_CTRL(lp, x) SMC_outl( x, lp, PMT_CTRL )
-#define SMC_GET_GPIO_CFG(lp) SMC_inl( lp, GPIO_CFG )
-#define SMC_SET_GPIO_CFG(lp, x) SMC_outl( x, lp, GPIO_CFG )
-#define SMC_GET_RX_FIFO_INF(lp) SMC_inl( lp, RX_FIFO_INF )
-#define SMC_SET_RX_FIFO_INF(lp, x) SMC_outl( x, lp, RX_FIFO_INF )
-#define SMC_GET_TX_FIFO_INF(lp) SMC_inl( lp, TX_FIFO_INF )
-#define SMC_SET_TX_FIFO_INF(lp, x) SMC_outl( x, lp, TX_FIFO_INF )
-#define SMC_GET_GPT_CFG(lp) SMC_inl( lp, GPT_CFG )
-#define SMC_SET_GPT_CFG(lp, x) SMC_outl( x, lp, GPT_CFG )
-#define SMC_GET_RX_DROP(lp) SMC_inl( lp, RX_DROP )
-#define SMC_SET_RX_DROP(lp, x) SMC_outl( x, lp, RX_DROP )
-#define SMC_GET_MAC_CMD(lp) SMC_inl( lp, MAC_CSR_CMD )
-#define SMC_SET_MAC_CMD(lp, x) SMC_outl( x, lp, MAC_CSR_CMD )
-#define SMC_GET_MAC_DATA(lp) SMC_inl( lp, MAC_CSR_DATA )
-#define SMC_SET_MAC_DATA(lp, x) SMC_outl( x, lp, MAC_CSR_DATA )
-#define SMC_GET_AFC_CFG(lp) SMC_inl( lp, AFC_CFG )
-#define SMC_SET_AFC_CFG(lp, x) SMC_outl( x, lp, AFC_CFG )
-#define SMC_GET_E2P_CMD(lp) SMC_inl( lp, E2P_CMD )
-#define SMC_SET_E2P_CMD(lp, x) SMC_outl( x, lp, E2P_CMD )
-#define SMC_GET_E2P_DATA(lp) SMC_inl( lp, E2P_DATA )
-#define SMC_SET_E2P_DATA(lp, x) SMC_outl( x, lp, E2P_DATA )
-
-/* MAC register read/write macros */
-#define SMC_GET_MAC_CSR(lp,a,v) \
- do { \
- while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- SMC_SET_MAC_CMD((lp),MAC_CSR_CMD_CSR_BUSY_ | \
- MAC_CSR_CMD_R_NOT_W_ | (a) ); \
- while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- v = SMC_GET_MAC_DATA((lp)); \
- } while (0)
-#define SMC_SET_MAC_CSR(lp,a,v) \
- do { \
- while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- SMC_SET_MAC_DATA((lp), v); \
- SMC_SET_MAC_CMD((lp), MAC_CSR_CMD_CSR_BUSY_ | (a) ); \
- while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- } while (0)
-#define SMC_GET_MAC_CR(lp, x) SMC_GET_MAC_CSR( (lp), MAC_CR, x )
-#define SMC_SET_MAC_CR(lp, x) SMC_SET_MAC_CSR( (lp), MAC_CR, x )
-#define SMC_GET_ADDRH(lp, x) SMC_GET_MAC_CSR( (lp), ADDRH, x )
-#define SMC_SET_ADDRH(lp, x) SMC_SET_MAC_CSR( (lp), ADDRH, x )
-#define SMC_GET_ADDRL(lp, x) SMC_GET_MAC_CSR( (lp), ADDRL, x )
-#define SMC_SET_ADDRL(lp, x) SMC_SET_MAC_CSR( (lp), ADDRL, x )
-#define SMC_GET_HASHH(lp, x) SMC_GET_MAC_CSR( (lp), HASHH, x )
-#define SMC_SET_HASHH(lp, x) SMC_SET_MAC_CSR( (lp), HASHH, x )
-#define SMC_GET_HASHL(lp, x) SMC_GET_MAC_CSR( (lp), HASHL, x )
-#define SMC_SET_HASHL(lp, x) SMC_SET_MAC_CSR( (lp), HASHL, x )
-#define SMC_GET_MII_ACC(lp, x) SMC_GET_MAC_CSR( (lp), MII_ACC, x )
-#define SMC_SET_MII_ACC(lp, x) SMC_SET_MAC_CSR( (lp), MII_ACC, x )
-#define SMC_GET_MII_DATA(lp, x) SMC_GET_MAC_CSR( (lp), MII_DATA, x )
-#define SMC_SET_MII_DATA(lp, x) SMC_SET_MAC_CSR( (lp), MII_DATA, x )
-#define SMC_GET_FLOW(lp, x) SMC_GET_MAC_CSR( (lp), FLOW, x )
-#define SMC_SET_FLOW(lp, x) SMC_SET_MAC_CSR( (lp), FLOW, x )
-#define SMC_GET_VLAN1(lp, x) SMC_GET_MAC_CSR( (lp), VLAN1, x )
-#define SMC_SET_VLAN1(lp, x) SMC_SET_MAC_CSR( (lp), VLAN1, x )
-#define SMC_GET_VLAN2(lp, x) SMC_GET_MAC_CSR( (lp), VLAN2, x )
-#define SMC_SET_VLAN2(lp, x) SMC_SET_MAC_CSR( (lp), VLAN2, x )
-#define SMC_SET_WUFF(lp, x) SMC_SET_MAC_CSR( (lp), WUFF, x )
-#define SMC_GET_WUCSR(lp, x) SMC_GET_MAC_CSR( (lp), WUCSR, x )
-#define SMC_SET_WUCSR(lp, x) SMC_SET_MAC_CSR( (lp), WUCSR, x )
-
-/* PHY register read/write macros */
-#define SMC_GET_MII(lp,a,phy,v) \
- do { \
- u32 __v; \
- do { \
- SMC_GET_MII_ACC((lp), __v); \
- } while ( __v & MII_ACC_MII_BUSY_ ); \
- SMC_SET_MII_ACC( (lp), ((phy)<<11) | ((a)<<6) | \
- MII_ACC_MII_BUSY_); \
- do { \
- SMC_GET_MII_ACC( (lp), __v); \
- } while ( __v & MII_ACC_MII_BUSY_ ); \
- SMC_GET_MII_DATA((lp), v); \
- } while (0)
-#define SMC_SET_MII(lp,a,phy,v) \
- do { \
- u32 __v; \
- do { \
- SMC_GET_MII_ACC((lp), __v); \
- } while ( __v & MII_ACC_MII_BUSY_ ); \
- SMC_SET_MII_DATA((lp), v); \
- SMC_SET_MII_ACC( (lp), ((phy)<<11) | ((a)<<6) | \
- MII_ACC_MII_BUSY_ | \
- MII_ACC_MII_WRITE_ ); \
- do { \
- SMC_GET_MII_ACC((lp), __v); \
- } while ( __v & MII_ACC_MII_BUSY_ ); \
- } while (0)
-#define SMC_GET_PHY_BMCR(lp,phy,x) SMC_GET_MII( (lp), MII_BMCR, phy, x )
-#define SMC_SET_PHY_BMCR(lp,phy,x) SMC_SET_MII( (lp), MII_BMCR, phy, x )
-#define SMC_GET_PHY_BMSR(lp,phy,x) SMC_GET_MII( (lp), MII_BMSR, phy, x )
-#define SMC_GET_PHY_ID1(lp,phy,x) SMC_GET_MII( (lp), MII_PHYSID1, phy, x )
-#define SMC_GET_PHY_ID2(lp,phy,x) SMC_GET_MII( (lp), MII_PHYSID2, phy, x )
-#define SMC_GET_PHY_MII_ADV(lp,phy,x) SMC_GET_MII( (lp), MII_ADVERTISE, phy, x )
-#define SMC_SET_PHY_MII_ADV(lp,phy,x) SMC_SET_MII( (lp), MII_ADVERTISE, phy, x )
-#define SMC_GET_PHY_MII_LPA(lp,phy,x) SMC_GET_MII( (lp), MII_LPA, phy, x )
-#define SMC_SET_PHY_MII_LPA(lp,phy,x) SMC_SET_MII( (lp), MII_LPA, phy, x )
-#define SMC_GET_PHY_CTRL_STS(lp,phy,x) SMC_GET_MII( (lp), PHY_MODE_CTRL_STS, phy, x )
-#define SMC_SET_PHY_CTRL_STS(lp,phy,x) SMC_SET_MII( (lp), PHY_MODE_CTRL_STS, phy, x )
-#define SMC_GET_PHY_INT_SRC(lp,phy,x) SMC_GET_MII( (lp), PHY_INT_SRC, phy, x )
-#define SMC_SET_PHY_INT_SRC(lp,phy,x) SMC_SET_MII( (lp), PHY_INT_SRC, phy, x )
-#define SMC_GET_PHY_INT_MASK(lp,phy,x) SMC_GET_MII( (lp), PHY_INT_MASK, phy, x )
-#define SMC_SET_PHY_INT_MASK(lp,phy,x) SMC_SET_MII( (lp), PHY_INT_MASK, phy, x )
-#define SMC_GET_PHY_SPECIAL(lp,phy,x) SMC_GET_MII( (lp), PHY_SPECIAL, phy, x )
-
-
-
-/* Misc read/write macros */
-
-#ifndef SMC_GET_MAC_ADDR
-#define SMC_GET_MAC_ADDR(lp, addr) \
- do { \
- unsigned int __v; \
- \
- SMC_GET_MAC_CSR((lp), ADDRL, __v); \
- addr[0] = __v; addr[1] = __v >> 8; \
- addr[2] = __v >> 16; addr[3] = __v >> 24; \
- SMC_GET_MAC_CSR((lp), ADDRH, __v); \
- addr[4] = __v; addr[5] = __v >> 8; \
- } while (0)
-#endif
-
-#define SMC_SET_MAC_ADDR(lp, addr) \
- do { \
- SMC_SET_MAC_CSR((lp), ADDRL, \
- addr[0] | \
- (addr[1] << 8) | \
- (addr[2] << 16) | \
- (addr[3] << 24)); \
- SMC_SET_MAC_CSR((lp), ADDRH, addr[4]|(addr[5] << 8));\
- } while (0)
-
-
-#define SMC_WRITE_EEPROM_CMD(lp, cmd, addr) \
- do { \
- while (SMC_GET_E2P_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- SMC_SET_MAC_CMD((lp), MAC_CSR_CMD_R_NOT_W_ | a ); \
- while (SMC_GET_MAC_CMD((lp)) & MAC_CSR_CMD_CSR_BUSY_); \
- } while (0)
-
-#endif /* _SMC911X_H_ */
projects / platform / kernel / linux-starfive.git / commitdiff