diff options
Diffstat (limited to 'drivers/net/arm')
| -rw-r--r-- | drivers/net/arm/Kconfig | 49 | ||||
| -rw-r--r-- | drivers/net/arm/Makefile | 11 | ||||
| -rw-r--r-- | drivers/net/arm/am79c961a.c | 771 | ||||
| -rw-r--r-- | drivers/net/arm/am79c961a.h | 146 | ||||
| -rw-r--r-- | drivers/net/arm/at91_ether.c | 1248 | ||||
| -rw-r--r-- | drivers/net/arm/at91_ether.h | 110 | ||||
| -rw-r--r-- | drivers/net/arm/ep93xx_eth.c | 916 | ||||
| -rw-r--r-- | drivers/net/arm/ether1.c | 1099 | ||||
| -rw-r--r-- | drivers/net/arm/ether1.h | 281 | ||||
| -rw-r--r-- | drivers/net/arm/ether3.c | 926 | ||||
| -rw-r--r-- | drivers/net/arm/ether3.h | 177 | ||||
| -rw-r--r-- | drivers/net/arm/etherh.c | 853 |
12 files changed, 0 insertions, 6587 deletions
diff --git a/drivers/net/arm/Kconfig b/drivers/net/arm/Kconfig deleted file mode 100644 index f9cc2b621fe..00000000000 --- a/drivers/net/arm/Kconfig +++ /dev/null @@ -1,49 +0,0 @@ -# -# Acorn Network device configuration -# These are for Acorn's Expansion card network interfaces -# -config ARM_AM79C961A - bool "ARM EBSA110 AM79C961A support" - depends on ARM && ARCH_EBSA110 - select CRC32 - help - If you wish to compile a kernel for the EBSA-110, then you should - always answer Y to this. - -config ARM_ETHER1 - tristate "Acorn Ether1 support" - depends on ARM && ARCH_ACORN - help - If you have an Acorn system with one of these (AKA25) network cards, - you should say Y to this option if you wish to use it with Linux. - -config ARM_ETHER3 - tristate "Acorn/ANT Ether3 support" - depends on ARM && ARCH_ACORN - help - If you have an Acorn system with one of these network cards, you - should say Y to this option if you wish to use it with Linux. - -config ARM_ETHERH - tristate "I-cubed EtherH/ANT EtherM support" - depends on ARM && ARCH_ACORN - select CRC32 - help - If you have an Acorn system with one of these network cards, you - should say Y to this option if you wish to use it with Linux. - -config ARM_AT91_ETHER - tristate "AT91RM9200 Ethernet support" - depends on ARM && ARCH_AT91RM9200 - select MII - help - If you wish to compile a kernel for the AT91RM9200 and enable - ethernet support, then you should always answer Y to this. - -config EP93XX_ETH - tristate "EP93xx Ethernet support" - depends on ARM && ARCH_EP93XX - select MII - help - This is a driver for the ethernet hardware included in EP93xx CPUs. - Say Y if you are building a kernel for EP93xx based devices. diff --git a/drivers/net/arm/Makefile b/drivers/net/arm/Makefile deleted file mode 100644 index a4c868278e1..00000000000 --- a/drivers/net/arm/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# File: drivers/net/arm/Makefile -# -# Makefile for the ARM network device drivers -# - -obj-$(CONFIG_ARM_AM79C961A) += am79c961a.o -obj-$(CONFIG_ARM_ETHERH) += etherh.o -obj-$(CONFIG_ARM_ETHER3) += ether3.o -obj-$(CONFIG_ARM_ETHER1) += ether1.o -obj-$(CONFIG_ARM_AT91_ETHER) += at91_ether.o -obj-$(CONFIG_EP93XX_ETH) += ep93xx_eth.o diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c deleted file mode 100644 index ba6bd03a015..00000000000 --- a/drivers/net/arm/am79c961a.c +++ /dev/null @@ -1,771 +0,0 @@ -/* - * linux/drivers/net/am79c961.c - * - * by Russell King <rmk@arm.linux.org.uk> 1995-2001. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Derived from various things including skeleton.c - * - * This is a special driver for the am79c961A Lance chip used in the - * Intel (formally Digital Equipment Corp) EBSA110 platform. Please - * note that this can not be built as a module (it doesn't make sense). - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/crc32.h> -#include <linux/bitops.h> -#include <linux/platform_device.h> - -#include <asm/hardware.h> -#include <asm/io.h> -#include <asm/system.h> - -#define TX_BUFFERS 15 -#define RX_BUFFERS 25 - -#include "am79c961a.h" - -static irqreturn_t -am79c961_interrupt (int irq, void *dev_id); - -static unsigned int net_debug = NET_DEBUG; - -static const char version[] = - "am79c961 ethernet driver (C) 1995-2001 Russell King v0.04\n"; - -/* --------------------------------------------------------------------------- */ - -#ifdef __arm__ -static void write_rreg(u_long base, u_int reg, u_int val) -{ - __asm__( - "str%?h %1, [%2] @ NET_RAP\n\t" - "str%?h %0, [%2, #-4] @ NET_RDP" - : - : "r" (val), "r" (reg), "r" (ISAIO_BASE + 0x0464)); -} - -static inline unsigned short read_rreg(u_long base_addr, u_int reg) -{ - unsigned short v; - __asm__( - "str%?h %1, [%2] @ NET_RAP\n\t" - "ldr%?h %0, [%2, #-4] @ NET_RDP" - : "=r" (v) - : "r" (reg), "r" (ISAIO_BASE + 0x0464)); - return v; -} - -static inline void write_ireg(u_long base, u_int reg, u_int val) -{ - __asm__( - "str%?h %1, [%2] @ NET_RAP\n\t" - "str%?h %0, [%2, #8] @ NET_IDP" - : - : "r" (val), "r" (reg), "r" (ISAIO_BASE + 0x0464)); -} - -static inline unsigned short read_ireg(u_long base_addr, u_int reg) -{ - u_short v; - __asm__( - "str%?h %1, [%2] @ NAT_RAP\n\t" - "ldr%?h %0, [%2, #8] @ NET_IDP\n\t" - : "=r" (v) - : "r" (reg), "r" (ISAIO_BASE + 0x0464)); - return v; -} - -#define am_writeword(dev,off,val) __raw_writew(val, ISAMEM_BASE + ((off) << 1)) -#define am_readword(dev,off) __raw_readw(ISAMEM_BASE + ((off) << 1)) - -static inline void -am_writebuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned int length) -{ - offset = ISAMEM_BASE + (offset << 1); - length = (length + 1) & ~1; - if ((int)buf & 2) { - __asm__ __volatile__("str%?h %2, [%0], #4" - : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8))); - buf += 2; - length -= 2; - } - while (length > 8) { - unsigned int tmp, tmp2; - __asm__ __volatile__( - "ldm%?ia %1!, {%2, %3}\n\t" - "str%?h %2, [%0], #4\n\t" - "mov%? %2, %2, lsr #16\n\t" - "str%?h %2, [%0], #4\n\t" - "str%?h %3, [%0], #4\n\t" - "mov%? %3, %3, lsr #16\n\t" - "str%?h %3, [%0], #4" - : "=&r" (offset), "=&r" (buf), "=r" (tmp), "=r" (tmp2) - : "0" (offset), "1" (buf)); - length -= 8; - } - while (length > 0) { - __asm__ __volatile__("str%?h %2, [%0], #4" - : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8))); - buf += 2; - length -= 2; - } -} - -static inline void -am_readbuffer(struct net_device *dev, u_int offset, unsigned char *buf, unsigned int length) -{ - offset = ISAMEM_BASE + (offset << 1); - length = (length + 1) & ~1; - if ((int)buf & 2) { - unsigned int tmp; - __asm__ __volatile__( - "ldr%?h %2, [%0], #4\n\t" - "str%?b %2, [%1], #1\n\t" - "mov%? %2, %2, lsr #8\n\t" - "str%?b %2, [%1], #1" - : "=&r" (offset), "=&r" (buf), "=r" (tmp): "0" (offset), "1" (buf)); - length -= 2; - } - while (length > 8) { - unsigned int tmp, tmp2, tmp3; - __asm__ __volatile__( - "ldr%?h %2, [%0], #4\n\t" - "ldr%?h %3, [%0], #4\n\t" - "orr%? %2, %2, %3, lsl #16\n\t" - "ldr%?h %3, [%0], #4\n\t" - "ldr%?h %4, [%0], #4\n\t" - "orr%? %3, %3, %4, lsl #16\n\t" - "stm%?ia %1!, {%2, %3}" - : "=&r" (offset), "=&r" (buf), "=r" (tmp), "=r" (tmp2), "=r" (tmp3) - : "0" (offset), "1" (buf)); - length -= 8; - } - while (length > 0) { - unsigned int tmp; - __asm__ __volatile__( - "ldr%?h %2, [%0], #4\n\t" - "str%?b %2, [%1], #1\n\t" - "mov%? %2, %2, lsr #8\n\t" - "str%?b %2, [%1], #1" - : "=&r" (offset), "=&r" (buf), "=r" (tmp) : "0" (offset), "1" (buf)); - length -= 2; - } -} -#else -#error Not compatible -#endif - -static int -am79c961_ramtest(struct net_device *dev, unsigned int val) -{ - unsigned char *buffer = kmalloc (65536, GFP_KERNEL); - int i, error = 0, errorcount = 0; - - if (!buffer) - return 0; - memset (buffer, val, 65536); - am_writebuffer(dev, 0, buffer, 65536); - memset (buffer, val ^ 255, 65536); - am_readbuffer(dev, 0, buffer, 65536); - for (i = 0; i < 65536; i++) { - if (buffer[i] != val && !error) { - printk ("%s: buffer error (%02X %02X) %05X - ", dev->name, val, buffer[i], i); - error = 1; - errorcount ++; - } else if (error && buffer[i] == val) { - printk ("%05X\n", i); - error = 0; - } - } - if (error) - printk ("10000\n"); - kfree (buffer); - return errorcount; -} - -static void -am79c961_init_for_open(struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - unsigned long flags; - unsigned char *p; - u_int hdr_addr, first_free_addr; - int i; - - /* - * Stop the chip. - */ - spin_lock_irqsave(priv->chip_lock, flags); - write_rreg (dev->base_addr, CSR0, CSR0_BABL|CSR0_CERR|CSR0_MISS|CSR0_MERR|CSR0_TINT|CSR0_RINT|CSR0_STOP); - spin_unlock_irqrestore(priv->chip_lock, flags); - - write_ireg (dev->base_addr, 5, 0x00a0); /* Receive address LED */ - write_ireg (dev->base_addr, 6, 0x0081); /* Collision LED */ - write_ireg (dev->base_addr, 7, 0x0090); /* XMIT LED */ - write_ireg (dev->base_addr, 2, 0x0000); /* MODE register selects media */ - - for (i = LADRL; i <= LADRH; i++) - write_rreg (dev->base_addr, i, 0); - - for (i = PADRL, p = dev->dev_addr; i <= PADRH; i++, p += 2) - write_rreg (dev->base_addr, i, p[0] | (p[1] << 8)); - - i = MODE_PORT_10BT; - if (dev->flags & IFF_PROMISC) - i |= MODE_PROMISC; - - write_rreg (dev->base_addr, MODE, i); - write_rreg (dev->base_addr, POLLINT, 0); - write_rreg (dev->base_addr, SIZERXR, -RX_BUFFERS); - write_rreg (dev->base_addr, SIZETXR, -TX_BUFFERS); - - first_free_addr = RX_BUFFERS * 8 + TX_BUFFERS * 8 + 16; - hdr_addr = 0; - - priv->rxhead = 0; - priv->rxtail = 0; - priv->rxhdr = hdr_addr; - - for (i = 0; i < RX_BUFFERS; i++) { - priv->rxbuffer[i] = first_free_addr; - am_writeword (dev, hdr_addr, first_free_addr); - am_writeword (dev, hdr_addr + 2, RMD_OWN); - am_writeword (dev, hdr_addr + 4, (-1600)); - am_writeword (dev, hdr_addr + 6, 0); - first_free_addr += 1600; - hdr_addr += 8; - } - priv->txhead = 0; - priv->txtail = 0; - priv->txhdr = hdr_addr; - for (i = 0; i < TX_BUFFERS; i++) { - priv->txbuffer[i] = first_free_addr; - am_writeword (dev, hdr_addr, first_free_addr); - am_writeword (dev, hdr_addr + 2, TMD_STP|TMD_ENP); - am_writeword (dev, hdr_addr + 4, 0xf000); - am_writeword (dev, hdr_addr + 6, 0); - first_free_addr += 1600; - hdr_addr += 8; - } - - write_rreg (dev->base_addr, BASERXL, priv->rxhdr); - write_rreg (dev->base_addr, BASERXH, 0); - write_rreg (dev->base_addr, BASETXL, priv->txhdr); - write_rreg (dev->base_addr, BASERXH, 0); - write_rreg (dev->base_addr, CSR0, CSR0_STOP); - write_rreg (dev->base_addr, CSR3, CSR3_IDONM|CSR3_BABLM|CSR3_DXSUFLO); - write_rreg (dev->base_addr, CSR4, CSR4_APAD_XMIT|CSR4_MFCOM|CSR4_RCVCCOM|CSR4_TXSTRTM|CSR4_JABM); - write_rreg (dev->base_addr, CSR0, CSR0_IENA|CSR0_STRT); -} - -static void am79c961_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - struct dev_priv *priv = netdev_priv(dev); - unsigned int lnkstat, carrier; - - lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST; - carrier = netif_carrier_ok(dev); - - if (lnkstat && !carrier) { - netif_carrier_on(dev); - printk("%s: link up\n", dev->name); - } else if (!lnkstat && carrier) { - netif_carrier_off(dev); - printk("%s: link down\n", dev->name); - } - - mod_timer(&priv->timer, jiffies + msecs_to_jiffies(500)); -} - -/* - * Open/initialize the board. - */ -static int -am79c961_open(struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - int ret; - - memset (&priv->stats, 0, sizeof (priv->stats)); - - ret = request_irq(dev->irq, am79c961_interrupt, 0, dev->name, dev); - if (ret) - return ret; - - am79c961_init_for_open(dev); - - netif_carrier_off(dev); - - priv->timer.expires = jiffies; - add_timer(&priv->timer); - - netif_start_queue(dev); - - return 0; -} - -/* - * The inverse routine to am79c961_open(). - */ -static int -am79c961_close(struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - unsigned long flags; - - del_timer_sync(&priv->timer); - - netif_stop_queue(dev); - netif_carrier_off(dev); - - spin_lock_irqsave(priv->chip_lock, flags); - write_rreg (dev->base_addr, CSR0, CSR0_STOP); - write_rreg (dev->base_addr, CSR3, CSR3_MASKALL); - spin_unlock_irqrestore(priv->chip_lock, flags); - - free_irq (dev->irq, dev); - - return 0; -} - -/* - * Get the current statistics. - */ -static struct net_device_stats *am79c961_getstats (struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - return &priv->stats; -} - -static void am79c961_mc_hash(struct dev_mc_list *dmi, unsigned short *hash) -{ - if (dmi->dmi_addrlen == ETH_ALEN && dmi->dmi_addr[0] & 0x01) { - int idx, bit; - u32 crc; - - crc = ether_crc_le(ETH_ALEN, dmi->dmi_addr); - - idx = crc >> 30; - bit = (crc >> 26) & 15; - - hash[idx] |= 1 << bit; - } -} - -/* - * Set or clear promiscuous/multicast mode filter for this adapter. - */ -static void am79c961_setmulticastlist (struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - unsigned long flags; - unsigned short multi_hash[4], mode; - int i, stopped; - - mode = MODE_PORT_10BT; - - if (dev->flags & IFF_PROMISC) { - mode |= MODE_PROMISC; - } else if (dev->flags & IFF_ALLMULTI) { - memset(multi_hash, 0xff, sizeof(multi_hash)); - } else { - struct dev_mc_list *dmi; - - memset(multi_hash, 0x00, sizeof(multi_hash)); - - for (dmi = dev->mc_list; dmi; dmi = dmi->next) - am79c961_mc_hash(dmi, multi_hash); - } - - spin_lock_irqsave(priv->chip_lock, flags); - - stopped = read_rreg(dev->base_addr, CSR0) & CSR0_STOP; - - if (!stopped) { - /* - * Put the chip into suspend mode - */ - write_rreg(dev->base_addr, CTRL1, CTRL1_SPND); - - /* - * Spin waiting for chip to report suspend mode - */ - while ((read_rreg(dev->base_addr, CTRL1) & CTRL1_SPND) == 0) { - spin_unlock_irqrestore(priv->chip_lock, flags); - nop(); - spin_lock_irqsave(priv->chip_lock, flags); - } - } - - /* - * Update the multicast hash table - */ - for (i = 0; i < ARRAY_SIZE(multi_hash); i++) - write_rreg(dev->base_addr, i + LADRL, multi_hash[i]); - - /* - * Write the mode register - */ - write_rreg(dev->base_addr, MODE, mode); - - if (!stopped) { - /* - * Put the chip back into running mode - */ - write_rreg(dev->base_addr, CTRL1, 0); - } - - spin_unlock_irqrestore(priv->chip_lock, flags); -} - -static void am79c961_timeout(struct net_device *dev) -{ - printk(KERN_WARNING "%s: transmit timed out, network cable problem?\n", - dev->name); - - /* - * ought to do some setup of the tx side here - */ - - netif_wake_queue(dev); -} - -/* - * Transmit a packet - */ -static int -am79c961_sendpacket(struct sk_buff *skb, struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - unsigned int hdraddr, bufaddr; - unsigned int head; - unsigned long flags; - - head = priv->txhead; - hdraddr = priv->txhdr + (head << 3); - bufaddr = priv->txbuffer[head]; - head += 1; - if (head >= TX_BUFFERS) - head = 0; - - am_writebuffer (dev, bufaddr, skb->data, skb->len); - am_writeword (dev, hdraddr + 4, -skb->len); - am_writeword (dev, hdraddr + 2, TMD_OWN|TMD_STP|TMD_ENP); - priv->txhead = head; - - spin_lock_irqsave(priv->chip_lock, flags); - write_rreg (dev->base_addr, CSR0, CSR0_TDMD|CSR0_IENA); - dev->trans_start = jiffies; - spin_unlock_irqrestore(priv->chip_lock, flags); - - /* - * If the next packet is owned by the ethernet device, - * then the tx ring is full and we can't add another - * packet. - */ - if (am_readword(dev, priv->txhdr + (priv->txhead << 3) + 2) & TMD_OWN) - netif_stop_queue(dev); - - dev_kfree_skb(skb); - - return 0; -} - -/* - * If we have a good packet(s), get it/them out of the buffers. - */ -static void -am79c961_rx(struct net_device *dev, struct dev_priv *priv) -{ - do { - struct sk_buff *skb; - u_int hdraddr; - u_int pktaddr; - u_int status; - int len; - - hdraddr = priv->rxhdr + (priv->rxtail << 3); - pktaddr = priv->rxbuffer[priv->rxtail]; - - status = am_readword (dev, hdraddr + 2); - if (status & RMD_OWN) /* do we own it? */ - break; - - priv->rxtail ++; - if (priv->rxtail >= RX_BUFFERS) - priv->rxtail = 0; - - if ((status & (RMD_ERR|RMD_STP|RMD_ENP)) != (RMD_STP|RMD_ENP)) { - am_writeword (dev, hdraddr + 2, RMD_OWN); - priv->stats.rx_errors ++; - if (status & RMD_ERR) { - if (status & RMD_FRAM) - priv->stats.rx_frame_errors ++; - if (status & RMD_CRC) - priv->stats.rx_crc_errors ++; - } else if (status & RMD_STP) - priv->stats.rx_length_errors ++; - continue; - } - - len = am_readword(dev, hdraddr + 6); - skb = dev_alloc_skb(len + 2); - - if (skb) { - skb_reserve(skb, 2); - - am_readbuffer(dev, pktaddr, skb_put(skb, len), len); - am_writeword(dev, hdraddr + 2, RMD_OWN); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->last_rx = jiffies; - priv->stats.rx_bytes += len; - priv->stats.rx_packets ++; - } else { - am_writeword (dev, hdraddr + 2, RMD_OWN); - printk (KERN_WARNING "%s: memory squeeze, dropping packet.\n", dev->name); - priv->stats.rx_dropped ++; - break; - } - } while (1); -} - -/* - * Update stats for the transmitted packet - */ -static void -am79c961_tx(struct net_device *dev, struct dev_priv *priv) -{ - do { - short len; - u_int hdraddr; - u_int status; - - hdraddr = priv->txhdr + (priv->txtail << 3); - status = am_readword (dev, hdraddr + 2); - if (status & TMD_OWN) - break; - - priv->txtail ++; - if (priv->txtail >= TX_BUFFERS) - priv->txtail = 0; - - if (status & TMD_ERR) { - u_int status2; - - priv->stats.tx_errors ++; - - status2 = am_readword (dev, hdraddr + 6); - - /* - * Clear the error byte - */ - am_writeword (dev, hdraddr + 6, 0); - - if (status2 & TST_RTRY) - priv->stats.collisions += 16; - if (status2 & TST_LCOL) - priv->stats.tx_window_errors ++; - if (status2 & TST_LCAR) - priv->stats.tx_carrier_errors ++; - if (status2 & TST_UFLO) - priv->stats.tx_fifo_errors ++; - continue; - } - priv->stats.tx_packets ++; - len = am_readword (dev, hdraddr + 4); - priv->stats.tx_bytes += -len; - } while (priv->txtail != priv->txhead); - - netif_wake_queue(dev); -} - -static irqreturn_t -am79c961_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *)dev_id; - struct dev_priv *priv = netdev_priv(dev); - u_int status, n = 100; - int handled = 0; - - do { - status = read_rreg(dev->base_addr, CSR0); - write_rreg(dev->base_addr, CSR0, status & - (CSR0_IENA|CSR0_TINT|CSR0_RINT| - CSR0_MERR|CSR0_MISS|CSR0_CERR|CSR0_BABL)); - - if (status & CSR0_RINT) { - handled = 1; - am79c961_rx(dev, priv); - } - if (status & CSR0_TINT) { - handled = 1; - am79c961_tx(dev, priv); - } - if (status & CSR0_MISS) { - handled = 1; - priv->stats.rx_dropped ++; - } - if (status & CSR0_CERR) { - handled = 1; - mod_timer(&priv->timer, jiffies); - } - } while (--n && status & (CSR0_RINT | CSR0_TINT)); - - return IRQ_RETVAL(handled); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void am79c961_poll_controller(struct net_device *dev) -{ - unsigned long flags; - local_irq_save(flags); - am79c961_interrupt(dev->irq, dev); - local_irq_restore(flags); -} -#endif - -/* - * Initialise the chip. Note that we always expect - * to be entered with interrupts enabled. - */ -static int -am79c961_hw_init(struct net_device *dev) -{ - struct dev_priv *priv = netdev_priv(dev); - - spin_lock_irq(&priv->chip_lock); - write_rreg (dev->base_addr, CSR0, CSR0_STOP); - write_rreg (dev->base_addr, CSR3, CSR3_MASKALL); - spin_unlock_irq(&priv->chip_lock); - - am79c961_ramtest(dev, 0x66); - am79c961_ramtest(dev, 0x99); - - return 0; -} - -static void __init am79c961_banner(void) -{ - static unsigned version_printed; - - if (net_debug && version_printed++ == 0) - printk(KERN_INFO "%s", version); -} - -static int __init am79c961_probe(struct platform_device *pdev) -{ - struct resource *res; - struct net_device *dev; - struct dev_priv *priv; - int i, ret; - - res = platform_get_resource(pdev, IORESOURCE_IO, 0); - if (!res) - return -ENODEV; - - dev = alloc_etherdev(sizeof(struct dev_priv)); - ret = -ENOMEM; - if (!dev) - goto out; - - SET_NETDEV_DEV(dev, &pdev->dev); - - priv = netdev_priv(dev); - - /* - * Fixed address and IRQ lines here. - * The PNP initialisation should have been - * done by the ether bootp loader. - */ - dev->base_addr = res->start; - dev->irq = platform_get_irq(pdev, 0); - - ret = -ENODEV; - if (dev->irq < 0) - goto nodev; - if (!request_region(dev->base_addr, 0x18, dev->name)) - goto nodev; - - /* - * Reset the device. - */ - inb(dev->base_addr + NET_RESET); - udelay(5); - - /* - * Check the manufacturer part of the - * ether address. - */ - if (inb(dev->base_addr) != 0x08 || - inb(dev->base_addr + 2) != 0x00 || - inb(dev->base_addr + 4) != 0x2b) - goto release; - - for (i = 0; i < 6; i++) - dev->dev_addr[i] = inb(dev->base_addr + i * 2) & 0xff; - - am79c961_banner(); - - spin_lock_init(&priv->chip_lock); - init_timer(&priv->timer); - priv->timer.data = (unsigned long)dev; - priv->timer.function = am79c961_timer; - - if (am79c961_hw_init(dev)) - goto release; - - dev->open = am79c961_open; - dev->stop = am79c961_close; - dev->hard_start_xmit = am79c961_sendpacket; - dev->get_stats = am79c961_getstats; - dev->set_multicast_list = am79c961_setmulticastlist; - dev->tx_timeout = am79c961_timeout; -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = am79c961_poll_controller; -#endif - - ret = register_netdev(dev); - if (ret == 0) { - DECLARE_MAC_BUF(mac); - - printk(KERN_INFO "%s: ether address %s\n", - dev->name, print_mac(mac, dev->dev_addr)); - return 0; - } - -release: - release_region(dev->base_addr, 0x18); -nodev: - free_netdev(dev); -out: - return ret; -} - -static struct platform_driver am79c961_driver = { - .probe = am79c961_probe, - .driver = { - .name = "am79c961", - }, -}; - -static int __init am79c961_init(void) -{ - return platform_driver_register(&am79c961_driver); -} - -__initcall(am79c961_init); diff --git a/drivers/net/arm/am79c961a.h b/drivers/net/arm/am79c961a.h deleted file mode 100644 index 483009fe6ec..00000000000 --- a/drivers/net/arm/am79c961a.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * linux/drivers/net/arm/am79c961a.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _LINUX_am79c961a_H -#define _LINUX_am79c961a_H - -/* use 0 for production, 1 for verification, >2 for debug. debug flags: */ -#define DEBUG_TX 2 -#define DEBUG_RX 4 -#define DEBUG_INT 8 -#define DEBUG_IC 16 -#ifndef NET_DEBUG -#define NET_DEBUG 0 -#endif - -#define NET_UID 0 -#define NET_RDP 0x10 -#define NET_RAP 0x12 -#define NET_RESET 0x14 -#define NET_IDP 0x16 - -/* - * RAP registers - */ -#define CSR0 0 -#define CSR0_INIT 0x0001 -#define CSR0_STRT 0x0002 -#define CSR0_STOP 0x0004 -#define CSR0_TDMD 0x0008 -#define CSR0_TXON 0x0010 -#define CSR0_RXON 0x0020 -#define CSR0_IENA 0x0040 -#define CSR0_INTR 0x0080 -#define CSR0_IDON 0x0100 -#define CSR0_TINT 0x0200 -#define CSR0_RINT 0x0400 -#define CSR0_MERR 0x0800 -#define CSR0_MISS 0x1000 -#define CSR0_CERR 0x2000 -#define CSR0_BABL 0x4000 -#define CSR0_ERR 0x8000 - -#define CSR3 3 -#define CSR3_EMBA 0x0008 -#define CSR3_DXMT2PD 0x0010 -#define CSR3_LAPPEN 0x0020 -#define CSR3_DXSUFLO 0x0040 -#define CSR3_IDONM 0x0100 -#define CSR3_TINTM 0x0200 -#define CSR3_RINTM 0x0400 -#define CSR3_MERRM 0x0800 -#define CSR3_MISSM 0x1000 -#define CSR3_BABLM 0x4000 -#define CSR3_MASKALL 0x5F00 - -#define CSR4 4 -#define CSR4_JABM 0x0001 -#define CSR4_JAB 0x0002 -#define CSR4_TXSTRTM 0x0004 -#define CSR4_TXSTRT 0x0008 -#define CSR4_RCVCCOM 0x0010 -#define CSR4_RCVCCO 0x0020 -#define CSR4_MFCOM 0x0100 -#define CSR4_MFCO 0x0200 -#define CSR4_ASTRP_RCV 0x0400 -#define CSR4_APAD_XMIT 0x0800 - -#define CTRL1 5 -#define CTRL1_SPND 0x0001 - -#define LADRL 8 -#define LADRM1 9 -#define LADRM2 10 -#define LADRH 11 -#define PADRL 12 -#define PADRM 13 -#define PADRH 14 - -#define MODE 15 -#define MODE_DISRX 0x0001 -#define MODE_DISTX 0x0002 -#define MODE_LOOP 0x0004 -#define MODE_DTCRC 0x0008 -#define MODE_COLL 0x0010 -#define MODE_DRETRY 0x0020 -#define MODE_INTLOOP 0x0040 -#define MODE_PORT_AUI 0x0000 -#define MODE_PORT_10BT 0x0080 -#define MODE_DRXPA 0x2000 -#define MODE_DRXBA 0x4000 -#define MODE_PROMISC 0x8000 - -#define BASERXL 24 -#define BASERXH 25 -#define BASETXL 30 -#define BASETXH 31 - -#define POLLINT 47 - -#define SIZERXR 76 -#define SIZETXR 78 - -#define CSR_MFC 112 - -#define RMD_ENP 0x0100 -#define RMD_STP 0x0200 -#define RMD_CRC 0x0800 -#define RMD_FRAM 0x2000 -#define RMD_ERR 0x4000 -#define RMD_OWN 0x8000 - -#define TMD_ENP 0x0100 -#define TMD_STP 0x0200 -#define TMD_MORE 0x1000 -#define TMD_ERR 0x4000 -#define TMD_OWN 0x8000 - -#define TST_RTRY 0x0400 -#define TST_LCAR 0x0800 -#define TST_LCOL 0x1000 -#define TST_UFLO 0x4000 -#define TST_BUFF 0x8000 - -#define ISALED0 0x0004 -#define ISALED0_LNKST 0x8000 - -struct dev_priv { - struct net_device_stats stats; - unsigned long rxbuffer[RX_BUFFERS]; - unsigned long txbuffer[TX_BUFFERS]; - unsigned char txhead; - unsigned char txtail; - unsigned char rxhead; - unsigned char rxtail; - unsigned long rxhdr; - unsigned long txhdr; - spinlock_t chip_lock; - struct timer_list timer; -}; - -#endif diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c deleted file mode 100644 index 0ae0d83e5d2..00000000000 --- a/drivers/net/arm/at91_ether.c +++ /dev/null @@ -1,1248 +0,0 @@ -/* - * Ethernet driver for the Atmel AT91RM9200 (Thunder) - * - * Copyright (C) 2003 SAN People (Pty) Ltd - * - * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc. - * Initial version by Rick Bronson 01/11/2003 - * - * Intel LXT971A PHY support by Christopher Bahns & David Knickerbocker - * (Polaroid Corporation) - * - * Realtek RTL8201(B)L PHY support by Roman Avramenko <roman@imsystems.ru> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/mii.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/dma-mapping.h> -#include <linux/ethtool.h> -#include <linux/platform_device.h> -#include <linux/clk.h> - -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/mach-types.h> - -#include <asm/arch/at91rm9200_emac.h> -#include <asm/arch/gpio.h> -#include <asm/arch/board.h> - -#include "at91_ether.h" - -#define DRV_NAME "at91_ether" -#define DRV_VERSION "1.0" - -#define LINK_POLL_INTERVAL (HZ) - -/* ..................................................................... */ - -/* - * Read from a EMAC register. - */ -static inline unsigned long at91_emac_read(unsigned int reg) -{ - void __iomem *emac_base = (void __iomem *)AT91_VA_BASE_EMAC; - - return __raw_readl(emac_base + reg); -} - -/* - * Write to a EMAC register. - */ -static inline void at91_emac_write(unsigned int reg, unsigned long value) -{ - void __iomem *emac_base = (void __iomem *)AT91_VA_BASE_EMAC; - - __raw_writel(value, emac_base + reg); -} - -/* ........................... PHY INTERFACE ........................... */ - -/* - * Enable the MDIO bit in MAC control register - * When not called from an interrupt-handler, access to the PHY must be - * protected by a spinlock. - */ -static void enable_mdi(void) -{ - unsigned long ctl; - - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_MPE); /* enable management port */ -} - -/* - * Disable the MDIO bit in the MAC control register - */ -static void disable_mdi(void) -{ - unsigned long ctl; - - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl & ~AT91_EMAC_MPE); /* disable management port */ -} - -/* - * Wait until the PHY operation is complete. - */ -static inline void at91_phy_wait(void) { - unsigned long timeout = jiffies + 2; - - while (!(at91_emac_read(AT91_EMAC_SR) & AT91_EMAC_SR_IDLE)) { - if (time_after(jiffies, timeout)) { - printk("at91_ether: MIO timeout\n"); - break; - } - cpu_relax(); - } -} - -/* - * Write value to the a PHY register - * Note: MDI interface is assumed to already have been enabled. - */ -static void write_phy(unsigned char phy_addr, unsigned char address, unsigned int value) -{ - at91_emac_write(AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_W - | ((phy_addr & 0x1f) << 23) | (address << 18) | (value & AT91_EMAC_DATA)); - - /* Wait until IDLE bit in Network Status register is cleared */ - at91_phy_wait(); -} - -/* - * Read value stored in a PHY register. - * Note: MDI interface is assumed to already have been enabled. - */ -static void read_phy(unsigned char phy_addr, unsigned char address, unsigned int *value) -{ - at91_emac_write(AT91_EMAC_MAN, AT91_EMAC_MAN_802_3 | AT91_EMAC_RW_R - | ((phy_addr & 0x1f) << 23) | (address << 18)); - - /* Wait until IDLE bit in Network Status register is cleared */ - at91_phy_wait(); - - *value = at91_emac_read(AT91_EMAC_MAN) & AT91_EMAC_DATA; -} - -/* ........................... PHY MANAGEMENT .......................... */ - -/* - * Access the PHY to determine the current link speed and mode, and update the - * MAC accordingly. - * If no link or auto-negotiation is busy, then no changes are made. - */ -static void update_linkspeed(struct net_device *dev, int silent) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned int bmsr, bmcr, lpa, mac_cfg; - unsigned int speed, duplex; - - if (!mii_link_ok(&lp->mii)) { /* no link */ - netif_carrier_off(dev); - if (!silent) - printk(KERN_INFO "%s: Link down.\n", dev->name); - return; - } - - /* Link up, or auto-negotiation still in progress */ - read_phy(lp->phy_address, MII_BMSR, &bmsr); - read_phy(lp->phy_address, MII_BMCR, &bmcr); - if (bmcr & BMCR_ANENABLE) { /* AutoNegotiation is enabled */ - if (!(bmsr & BMSR_ANEGCOMPLETE)) - return; /* Do nothing - another interrupt generated when negotiation complete */ - - read_phy(lp->phy_address, MII_LPA, &lpa); - if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF)) speed = SPEED_100; - else speed = SPEED_10; - if ((lpa & LPA_100FULL) || (lpa & LPA_10FULL)) duplex = DUPLEX_FULL; - else duplex = DUPLEX_HALF; - } else { - speed = (bmcr & BMCR_SPEED100) ? SPEED_100 : SPEED_10; - duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF; - } - - /* Update the MAC */ - mac_cfg = at91_emac_read(AT91_EMAC_CFG) & ~(AT91_EMAC_SPD | AT91_EMAC_FD); - if (speed == SPEED_100) { - if (duplex == DUPLEX_FULL) /* 100 Full Duplex */ - mac_cfg |= AT91_EMAC_SPD | AT91_EMAC_FD; - else /* 100 Half Duplex */ - mac_cfg |= AT91_EMAC_SPD; - } else { - if (duplex == DUPLEX_FULL) /* 10 Full Duplex */ - mac_cfg |= AT91_EMAC_FD; - else {} /* 10 Half Duplex */ - } - at91_emac_write(AT91_EMAC_CFG, mac_cfg); - - if (!silent) - printk(KERN_INFO "%s: Link now %i-%s\n", dev->name, speed, (duplex == DUPLEX_FULL) ? "FullDuplex" : "HalfDuplex"); - netif_carrier_on(dev); -} - -/* - * Handle interrupts from the PHY - */ -static irqreturn_t at91ether_phy_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct at91_private *lp = netdev_priv(dev); - unsigned int phy; - - /* - * This hander is triggered on both edges, but the PHY chips expect - * level-triggering. We therefore have to check if the PHY actually has - * an IRQ pending. - */ - enable_mdi(); - if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) { - read_phy(lp->phy_address, MII_DSINTR_REG, &phy); /* ack interrupt in Davicom PHY */ - if (!(phy & (1 << 0))) - goto done; - } - else if (lp->phy_type == MII_LXT971A_ID) { - read_phy(lp->phy_address, MII_ISINTS_REG, &phy); /* ack interrupt in Intel PHY */ - if (!(phy & (1 << 2))) - goto done; - } - else if (lp->phy_type == MII_BCM5221_ID) { - read_phy(lp->phy_address, MII_BCMINTR_REG, &phy); /* ack interrupt in Broadcom PHY */ - if (!(phy & (1 << 0))) - goto done; - } - else if (lp->phy_type == MII_KS8721_ID) { - read_phy(lp->phy_address, MII_TPISTATUS, &phy); /* ack interrupt in Micrel PHY */ - if (!(phy & ((1 << 2) | 1))) - goto done; - } - else if (lp->phy_type == MII_T78Q21x3_ID) { /* ack interrupt in Teridian PHY */ - read_phy(lp->phy_address, MII_T78Q21INT_REG, &phy); - if (!(phy & ((1 << 2) | 1))) - goto done; - } - else if (lp->phy_type == MII_DP83848_ID) { - read_phy(lp->phy_address, MII_DPPHYSTS_REG, &phy); /* ack interrupt in DP83848 PHY */ - if (!(phy & (1 << 7))) - goto done; - } - - update_linkspeed(dev, 0); - -done: - disable_mdi(); - - return IRQ_HANDLED; -} - -/* - * Initialize and enable the PHY interrupt for link-state changes - */ -static void enable_phyirq(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned int dsintr, irq_number; - int status; - - irq_number = lp->board_data.phy_irq_pin; - if (!irq_number) { - /* - * PHY doesn't have an IRQ pin (RTL8201, DP83847, AC101L), - * or board does not have it connected. - */ - mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL); - return; - } - - status = request_irq(irq_number, at91ether_phy_interrupt, 0, dev->name, dev); - if (status) { - printk(KERN_ERR "at91_ether: PHY IRQ %d request failed - status %d!\n", irq_number, status); - return; - } - - spin_lock_irq(&lp->lock); - enable_mdi(); - - if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) { /* for Davicom PHY */ - read_phy(lp->phy_address, MII_DSINTR_REG, &dsintr); - dsintr = dsintr & ~0xf00; /* clear bits 8..11 */ - write_phy(lp->phy_address, MII_DSINTR_REG, dsintr); - } - else if (lp->phy_type == MII_LXT971A_ID) { /* for Intel PHY */ - read_phy(lp->phy_address, MII_ISINTE_REG, &dsintr); - dsintr = dsintr | 0xf2; /* set bits 1, 4..7 */ - write_phy(lp->phy_address, MII_ISINTE_REG, dsintr); - } - else if (lp->phy_type == MII_BCM5221_ID) { /* for Broadcom PHY */ - dsintr = (1 << 15) | ( 1 << 14); - write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr); - } - else if (lp->phy_type == MII_KS8721_ID) { /* for Micrel PHY */ - dsintr = (1 << 10) | ( 1 << 8); - write_phy(lp->phy_address, MII_TPISTATUS, dsintr); - } - else if (lp->phy_type == MII_T78Q21x3_ID) { /* for Teridian PHY */ - read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr); - dsintr = dsintr | 0x500; /* set bits 8, 10 */ - write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr); - } - else if (lp->phy_type == MII_DP83848_ID) { /* National Semiconductor DP83848 PHY */ - read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr); - dsintr = dsintr | 0x3c; /* set bits 2..5 */ - write_phy(lp->phy_address, MII_DPMISR_REG, dsintr); - read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr); - dsintr = dsintr | 0x3; /* set bits 0,1 */ - write_phy(lp->phy_address, MII_DPMICR_REG, dsintr); - } - - disable_mdi(); - spin_unlock_irq(&lp->lock); -} - -/* - * Disable the PHY interrupt - */ -static void disable_phyirq(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned int dsintr; - unsigned int irq_number; - - irq_number = lp->board_data.phy_irq_pin; - if (!irq_number) { - del_timer_sync(&lp->check_timer); - return; - } - - spin_lock_irq(&lp->lock); - enable_mdi(); - - if ((lp->phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) { /* for Davicom PHY */ - read_phy(lp->phy_address, MII_DSINTR_REG, &dsintr); - dsintr = dsintr | 0xf00; /* set bits 8..11 */ - write_phy(lp->phy_address, MII_DSINTR_REG, dsintr); - } - else if (lp->phy_type == MII_LXT971A_ID) { /* for Intel PHY */ - read_phy(lp->phy_address, MII_ISINTE_REG, &dsintr); - dsintr = dsintr & ~0xf2; /* clear bits 1, 4..7 */ - write_phy(lp->phy_address, MII_ISINTE_REG, dsintr); - } - else if (lp->phy_type == MII_BCM5221_ID) { /* for Broadcom PHY */ - read_phy(lp->phy_address, MII_BCMINTR_REG, &dsintr); - dsintr = ~(1 << 14); - write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr); - } - else if (lp->phy_type == MII_KS8721_ID) { /* for Micrel PHY */ - read_phy(lp->phy_address, MII_TPISTATUS, &dsintr); - dsintr = ~((1 << 10) | (1 << 8)); - write_phy(lp->phy_address, MII_TPISTATUS, dsintr); - } - else if (lp->phy_type == MII_T78Q21x3_ID) { /* for Teridian PHY */ - read_phy(lp->phy_address, MII_T78Q21INT_REG, &dsintr); - dsintr = dsintr & ~0x500; /* clear bits 8, 10 */ - write_phy(lp->phy_address, MII_T78Q21INT_REG, dsintr); - } - else if (lp->phy_type == MII_DP83848_ID) { /* National Semiconductor DP83848 PHY */ - read_phy(lp->phy_address, MII_DPMICR_REG, &dsintr); - dsintr = dsintr & ~0x3; /* clear bits 0, 1 */ - write_phy(lp->phy_address, MII_DPMICR_REG, dsintr); - read_phy(lp->phy_address, MII_DPMISR_REG, &dsintr); - dsintr = dsintr & ~0x3c; /* clear bits 2..5 */ - write_phy(lp->phy_address, MII_DPMISR_REG, dsintr); - } - - disable_mdi(); - spin_unlock_irq(&lp->lock); - - free_irq(irq_number, dev); /* Free interrupt handler */ -} - -/* - * Perform a software reset of the PHY. - */ -#if 0 -static void reset_phy(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned int bmcr; - - spin_lock_irq(&lp->lock); - enable_mdi(); - - /* Perform PHY reset */ - write_phy(lp->phy_address, MII_BMCR, BMCR_RESET); - - /* Wait until PHY reset is complete */ - do { - read_phy(lp->phy_address, MII_BMCR, &bmcr); - } while (!(bmcr & BMCR_RESET)); - - disable_mdi(); - spin_unlock_irq(&lp->lock); -} -#endif - -static void at91ether_check_link(unsigned long dev_id) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct at91_private *lp = netdev_priv(dev); - - enable_mdi(); - update_linkspeed(dev, 1); - disable_mdi(); - - mod_timer(&lp->check_timer, jiffies + LINK_POLL_INTERVAL); -} - -/* ......................... ADDRESS MANAGEMENT ........................ */ - -/* - * NOTE: Your bootloader must always set the MAC address correctly before - * booting into Linux. - * - * - It must always set the MAC address after reset, even if it doesn't - * happen to access the Ethernet while it's booting. Some versions of - * U-Boot on the AT91RM9200-DK do not do this. - * - * - Likewise it must store the addresses in the correct byte order. - * MicroMonitor (uMon) on the CSB337 does this incorrectly (and - * continues to do so, for bug-compatibility). - */ - -static short __init unpack_mac_address(struct net_device *dev, unsigned int hi, unsigned int lo) -{ - char addr[6]; - - if (machine_is_csb337()) { - addr[5] = (lo & 0xff); /* The CSB337 bootloader stores the MAC the wrong-way around */ - addr[4] = (lo & 0xff00) >> 8; - addr[3] = (lo & 0xff0000) >> 16; - addr[2] = (lo & 0xff000000) >> 24; - addr[1] = (hi & 0xff); - addr[0] = (hi & 0xff00) >> 8; - } - else { - addr[0] = (lo & 0xff); - addr[1] = (lo & 0xff00) >> 8; - addr[2] = (lo & 0xff0000) >> 16; - addr[3] = (lo & 0xff000000) >> 24; - addr[4] = (hi & 0xff); - addr[5] = (hi & 0xff00) >> 8; - } - - if (is_valid_ether_addr(addr)) { - memcpy(dev->dev_addr, &addr, 6); - return 1; - } - return 0; -} - -/* - * Set the ethernet MAC address in dev->dev_addr - */ -static void __init get_mac_address(struct net_device *dev) -{ - /* Check Specific-Address 1 */ - if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA1H), at91_emac_read(AT91_EMAC_SA1L))) - return; - /* Check Specific-Address 2 */ - if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA2H), at91_emac_read(AT91_EMAC_SA2L))) - return; - /* Check Specific-Address 3 */ - if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA3H), at91_emac_read(AT91_EMAC_SA3L))) - return; - /* Check Specific-Address 4 */ - if (unpack_mac_address(dev, at91_emac_read(AT91_EMAC_SA4H), at91_emac_read(AT91_EMAC_SA4L))) - return; - - printk(KERN_ERR "at91_ether: Your bootloader did not configure a MAC address.\n"); -} - -/* - * Program the hardware MAC address from dev->dev_addr. - */ -static void update_mac_address(struct net_device *dev) -{ - at91_emac_write(AT91_EMAC_SA1L, (dev->dev_addr[3] << 24) | (dev->dev_addr[2] << 16) | (dev->dev_addr[1] << 8) | (dev->dev_addr[0])); - at91_emac_write(AT91_EMAC_SA1H, (dev->dev_addr[5] << 8) | (dev->dev_addr[4])); - - at91_emac_write(AT91_EMAC_SA2L, 0); - at91_emac_write(AT91_EMAC_SA2H, 0); -} - -/* - * Store the new hardware address in dev->dev_addr, and update the MAC. - */ -static int set_mac_address(struct net_device *dev, void* addr) -{ - struct sockaddr *address = addr; - DECLARE_MAC_BUF(mac); - - if (!is_valid_ether_addr(address->sa_data)) - return -EADDRNOTAVAIL; - - memcpy(dev->dev_addr, address->sa_data, dev->addr_len); - update_mac_address(dev); - - printk("%s: Setting MAC address to %s\n", dev->name, - print_mac(mac, dev->dev_addr)); - - return 0; -} - -static int inline hash_bit_value(int bitnr, __u8 *addr) -{ - if (addr[bitnr / 8] & (1 << (bitnr % 8))) - return 1; - return 0; -} - -/* - * The hash address register is 64 bits long and takes up two locations in the memory map. - * The least significant bits are stored in EMAC_HSL and the most significant - * bits in EMAC_HSH. - * - * The unicast hash enable and the multicast hash enable bits in the network configuration - * register enable the reception of hash matched frames. The destination address is - * reduced to a 6 bit index into the 64 bit hash register using the following hash function. - * The hash function is an exclusive or of every sixth bit of the destination address. - * hash_index[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47] - * hash_index[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46] - * hash_index[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45] - * hash_index[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44] - * hash_index[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43] - * hash_index[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42] - * da[0] represents the least significant bit of the first byte received, that is, the multicast/ - * unicast indicator, and da[47] represents the most significant bit of the last byte - * received. - * If the hash index points to a bit that is set in the hash register then the frame will be - * matched according to whether the frame is multicast or unicast. - * A multicast match will be signalled if the multicast hash enable bit is set, da[0] is 1 and - * the hash index points to a bit set in the hash register. - * A unicast match will be signalled if the unicast hash enable bit is set, da[0] is 0 and the - * hash index points to a bit set in the hash register. - * To receive all multicast frames, the hash register should be set with all ones and the - * multicast hash enable bit should be set in the network configuration register. - */ - -/* - * Return the hash index value for the specified address. - */ -static int hash_get_index(__u8 *addr) -{ - int i, j, bitval; - int hash_index = 0; - - for (j = 0; j < 6; j++) { - for (i = 0, bitval = 0; i < 8; i++) - bitval ^= hash_bit_value(i*6 + j, addr); - - hash_index |= (bitval << j); - } - - return hash_index; -} - -/* - * Add multicast addresses to the internal multicast-hash table. - */ -static void at91ether_sethashtable(struct net_device *dev) -{ - struct dev_mc_list *curr; - unsigned long mc_filter[2]; - unsigned int i, bitnr; - - mc_filter[0] = mc_filter[1] = 0; - - curr = dev->mc_list; - for (i = 0; i < dev->mc_count; i++, curr = curr->next) { - if (!curr) break; /* unexpected end of list */ - - bitnr = hash_get_index(curr->dmi_addr); - mc_filter[bitnr >> 5] |= 1 << (bitnr & 31); - } - - at91_emac_write(AT91_EMAC_HSL, mc_filter[0]); - at91_emac_write(AT91_EMAC_HSH, mc_filter[1]); -} - -/* - * Enable/Disable promiscuous and multicast modes. - */ -static void at91ether_set_rx_mode(struct net_device *dev) -{ - unsigned long cfg; - - cfg = at91_emac_read(AT91_EMAC_CFG); - - if (dev->flags & IFF_PROMISC) /* Enable promiscuous mode */ - cfg |= AT91_EMAC_CAF; - else if (dev->flags & (~IFF_PROMISC)) /* Disable promiscuous mode */ - cfg &= ~AT91_EMAC_CAF; - - if (dev->flags & IFF_ALLMULTI) { /* Enable all multicast mode */ - at91_emac_write(AT91_EMAC_HSH, -1); - at91_emac_write(AT91_EMAC_HSL, -1); - cfg |= AT91_EMAC_MTI; - } else if (dev->mc_count > 0) { /* Enable specific multicasts */ - at91ether_sethashtable(dev); - cfg |= AT91_EMAC_MTI; - } else if (dev->flags & (~IFF_ALLMULTI)) { /* Disable all multicast mode */ - at91_emac_write(AT91_EMAC_HSH, 0); - at91_emac_write(AT91_EMAC_HSL, 0); - cfg &= ~AT91_EMAC_MTI; - } - - at91_emac_write(AT91_EMAC_CFG, cfg); -} - -/* ......................... ETHTOOL SUPPORT ........................... */ - -static int mdio_read(struct net_device *dev, int phy_id, int location) -{ - unsigned int value; - - read_phy(phy_id, location, &value); - return value; -} - -static void mdio_write(struct net_device *dev, int phy_id, int location, int value) -{ - write_phy(phy_id, location, value); -} - -static int at91ether_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct at91_private *lp = netdev_priv(dev); - int ret; - - spin_lock_irq(&lp->lock); - enable_mdi(); - - ret = mii_ethtool_gset(&lp->mii, cmd); - - disable_mdi(); - spin_unlock_irq(&lp->lock); - - if (lp->phy_media == PORT_FIBRE) { /* override media type since mii.c doesn't know */ - cmd->supported = SUPPORTED_FIBRE; - cmd->port = PORT_FIBRE; - } - - return ret; -} - -static int at91ether_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct at91_private *lp = netdev_priv(dev); - int ret; - - spin_lock_irq(&lp->lock); - enable_mdi(); - - ret = mii_ethtool_sset(&lp->mii, cmd); - - disable_mdi(); - spin_unlock_irq(&lp->lock); - - return ret; -} - -static int at91ether_nwayreset(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - int ret; - - spin_lock_irq(&lp->lock); - enable_mdi(); - - ret = mii_nway_restart(&lp->mii); - - disable_mdi(); - spin_unlock_irq(&lp->lock); - - return ret; -} - -static void at91ether_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, dev->dev.parent->bus_id, sizeof(info->bus_info)); -} - -static const struct ethtool_ops at91ether_ethtool_ops = { - .get_settings = at91ether_get_settings, - .set_settings = at91ether_set_settings, - .get_drvinfo = at91ether_get_drvinfo, - .nway_reset = at91ether_nwayreset, - .get_link = ethtool_op_get_link, -}; - -static int at91ether_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct at91_private *lp = netdev_priv(dev); - int res; - - if (!netif_running(dev)) - return -EINVAL; - - spin_lock_irq(&lp->lock); - enable_mdi(); - res = generic_mii_ioctl(&lp->mii, if_mii(rq), cmd, NULL); - disable_mdi(); - spin_unlock_irq(&lp->lock); - - return res; -} - -/* ................................ MAC ................................ */ - -/* - * Initialize and start the Receiver and Transmit subsystems - */ -static void at91ether_start(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - struct recv_desc_bufs *dlist, *dlist_phys; - int i; - unsigned long ctl; - - dlist = lp->dlist; - dlist_phys = lp->dlist_phys; - - for (i = 0; i < MAX_RX_DESCR; i++) { - dlist->descriptors[i].addr = (unsigned int) &dlist_phys->recv_buf[i][0]; - dlist->descriptors[i].size = 0; - } - - /* Set the Wrap bit on the last descriptor */ - dlist->descriptors[i-1].addr |= EMAC_DESC_WRAP; - - /* Reset buffer index */ - lp->rxBuffIndex = 0; - - /* Program address of descriptor list in Rx Buffer Queue register */ - at91_emac_write(AT91_EMAC_RBQP, (unsigned long) dlist_phys); - - /* Enable Receive and Transmit */ - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_RE | AT91_EMAC_TE); -} - -/* - * Open the ethernet interface - */ -static int at91ether_open(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned long ctl; - - if (!is_valid_ether_addr(dev->dev_addr)) - return -EADDRNOTAVAIL; - - clk_enable(lp->ether_clk); /* Re-enable Peripheral clock */ - - /* Clear internal statistics */ - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_CSR); - - /* Update the MAC address (incase user has changed it) */ - update_mac_address(dev); - - /* Enable PHY interrupt */ - enable_phyirq(dev); - - /* Enable MAC interrupts */ - at91_emac_write(AT91_EMAC_IER, AT91_EMAC_RCOM | AT91_EMAC_RBNA - | AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM - | AT91_EMAC_ROVR | AT91_EMAC_ABT); - - /* Determine current link speed */ - spin_lock_irq(&lp->lock); - enable_mdi(); - update_linkspeed(dev, 0); - disable_mdi(); - spin_unlock_irq(&lp->lock); - - at91ether_start(dev); - netif_start_queue(dev); - return 0; -} - -/* - * Close the interface - */ -static int at91ether_close(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - unsigned long ctl; - - /* Disable Receiver and Transmitter */ - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl & ~(AT91_EMAC_TE | AT91_EMAC_RE)); - - /* Disable PHY interrupt */ - disable_phyirq(dev); - - /* Disable MAC interrupts */ - at91_emac_write(AT91_EMAC_IDR, AT91_EMAC_RCOM | AT91_EMAC_RBNA - | AT91_EMAC_TUND | AT91_EMAC_RTRY | AT91_EMAC_TCOM - | AT91_EMAC_ROVR | AT91_EMAC_ABT); - - netif_stop_queue(dev); - - clk_disable(lp->ether_clk); /* Disable Peripheral clock */ - - return 0; -} - -/* - * Transmit packet. - */ -static int at91ether_tx(struct sk_buff *skb, struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - - if (at91_emac_read(AT91_EMAC_TSR) & AT91_EMAC_TSR_BNQ) { - netif_stop_queue(dev); - - /* Store packet information (to free when Tx completed) */ - lp->skb = skb; - lp->skb_length = skb->len; - lp->skb_physaddr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE); - lp->stats.tx_bytes += skb->len; - - /* Set address of the data in the Transmit Address register */ - at91_emac_write(AT91_EMAC_TAR, lp->skb_physaddr); - /* Set length of the packet in the Transmit Control register */ - at91_emac_write(AT91_EMAC_TCR, skb->len); - - dev->trans_start = jiffies; - } else { - printk(KERN_ERR "at91_ether.c: at91ether_tx() called, but device is busy!\n"); - return 1; /* if we return anything but zero, dev.c:1055 calls kfree_skb(skb) - on this skb, he also reports -ENETDOWN and printk's, so either - we free and return(0) or don't free and return 1 */ - } - - return 0; -} - -/* - * Update the current statistics from the internal statistics registers. - */ -static struct net_device_stats *at91ether_stats(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - int ale, lenerr, seqe, lcol, ecol; - - if (netif_running(dev)) { - lp->stats.rx_packets += at91_emac_read(AT91_EMAC_OK); /* Good frames received */ - ale = at91_emac_read(AT91_EMAC_ALE); - lp->stats.rx_frame_errors += ale; /* Alignment errors */ - lenerr = at91_emac_read(AT91_EMAC_ELR) + at91_emac_read(AT91_EMAC_USF); - lp->stats.rx_length_errors += lenerr; /* Excessive Length or Undersize Frame error */ - seqe = at91_emac_read(AT91_EMAC_SEQE); - lp->stats.rx_crc_errors += seqe; /* CRC error */ - lp->stats.rx_fifo_errors += at91_emac_read(AT91_EMAC_DRFC); /* Receive buffer not available */ - lp->stats.rx_errors += (ale + lenerr + seqe - + at91_emac_read(AT91_EMAC_CDE) + at91_emac_read(AT91_EMAC_RJB)); - - lp->stats.tx_packets += at91_emac_read(AT91_EMAC_FRA); /* Frames successfully transmitted */ - lp->stats.tx_fifo_errors += at91_emac_read(AT91_EMAC_TUE); /* Transmit FIFO underruns */ - lp->stats.tx_carrier_errors += at91_emac_read(AT91_EMAC_CSE); /* Carrier Sense errors */ - lp->stats.tx_heartbeat_errors += at91_emac_read(AT91_EMAC_SQEE);/* Heartbeat error */ - - lcol = at91_emac_read(AT91_EMAC_LCOL); - ecol = at91_emac_read(AT91_EMAC_ECOL); - lp->stats.tx_window_errors += lcol; /* Late collisions */ - lp->stats.tx_aborted_errors += ecol; /* 16 collisions */ - - lp->stats.collisions += (at91_emac_read(AT91_EMAC_SCOL) + at91_emac_read(AT91_EMAC_MCOL) + lcol + ecol); - } - return &lp->stats; -} - -/* - * Extract received frame from buffer descriptors and sent to upper layers. - * (Called from interrupt context) - */ -static void at91ether_rx(struct net_device *dev) -{ - struct at91_private *lp = netdev_priv(dev); - struct recv_desc_bufs *dlist; - unsigned char *p_recv; - struct sk_buff *skb; - unsigned int pktlen; - - dlist = lp->dlist; - while (dlist->descriptors[lp->rxBuffIndex].addr & EMAC_DESC_DONE) { - p_recv = dlist->recv_buf[lp->rxBuffIndex]; - pktlen = dlist->descriptors[lp->rxBuffIndex].size & 0x7ff; /* Length of frame including FCS */ - skb = dev_alloc_skb(pktlen + 2); - if (skb != NULL) { - skb_reserve(skb, 2); - memcpy(skb_put(skb, pktlen), p_recv, pktlen); - - skb->protocol = eth_type_trans(skb, dev); - dev->last_rx = jiffies; - lp->stats.rx_bytes += pktlen; - netif_rx(skb); - } - else { - lp->stats.rx_dropped += 1; - printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name); - } - - if (dlist->descriptors[lp->rxBuffIndex].size & EMAC_MULTICAST) - lp->stats.multicast++; - - dlist->descriptors[lp->rxBuffIndex].addr &= ~EMAC_DESC_DONE; /* reset ownership bit */ - if (lp->rxBuffIndex == MAX_RX_DESCR-1) /* wrap after last buffer */ - lp->rxBuffIndex = 0; - else - lp->rxBuffIndex++; - } -} - -/* - * MAC interrupt handler - */ -static irqreturn_t at91ether_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct at91_private *lp = netdev_priv(dev); - unsigned long intstatus, ctl; - - /* MAC Interrupt Status register indicates what interrupts are pending. - It is automatically cleared once read. */ - intstatus = at91_emac_read(AT91_EMAC_ISR); - - if (intstatus & AT91_EMAC_RCOM) /* Receive complete */ - at91ether_rx(dev); - - if (intstatus & AT91_EMAC_TCOM) { /* Transmit complete */ - /* The TCOM bit is set even if the transmission failed. */ - if (intstatus & (AT91_EMAC_TUND | AT91_EMAC_RTRY)) - lp->stats.tx_errors += 1; - - if (lp->skb) { - dev_kfree_skb_irq(lp->skb); - lp->skb = NULL; - dma_unmap_single(NULL, lp->skb_physaddr, lp->skb_length, DMA_TO_DEVICE); - } - netif_wake_queue(dev); - } - - /* Work-around for Errata #11 */ - if (intstatus & AT91_EMAC_RBNA) { - ctl = at91_emac_read(AT91_EMAC_CTL); - at91_emac_write(AT91_EMAC_CTL, ctl & ~AT91_EMAC_RE); - at91_emac_write(AT91_EMAC_CTL, ctl | AT91_EMAC_RE); - } - - if (intstatus & AT91_EMAC_ROVR) - printk("%s: ROVR error\n", dev->name); - - return IRQ_HANDLED; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void at91ether_poll_controller(struct net_device *dev) -{ - unsigned long flags; - - local_irq_save(flags); - at91ether_interrupt(dev->irq, dev); - local_irq_restore(flags); -} -#endif - -/* - * Initialize the ethernet interface - */ -static int __init at91ether_setup(unsigned long phy_type, unsigned short phy_address, - struct platform_device *pdev, struct clk *ether_clk) -{ - struct at91_eth_data *board_data = pdev->dev.platform_data; - struct net_device *dev; - struct at91_private *lp; - unsigned int val; - int res; - DECLARE_MAC_BUF(mac); - - dev = alloc_etherdev(sizeof(struct at91_private)); - if (!dev) - return -ENOMEM; - - dev->base_addr = AT91_VA_BASE_EMAC; - dev->irq = AT91RM9200_ID_EMAC; - - /* Install the interrupt handler */ - if (request_irq(dev->irq, at91ether_interrupt, 0, dev->name, dev)) { - free_netdev(dev); - return -EBUSY; - } - - /* Allocate memory for DMA Receive descriptors */ - lp = netdev_priv(dev); - lp->dlist = (struct recv_desc_bufs *) dma_alloc_coherent(NULL, sizeof(struct recv_desc_bufs), (dma_addr_t *) &lp->dlist_phys, GFP_KERNEL); - if (lp->dlist == NULL) { - free_irq(dev->irq, dev); - free_netdev(dev); - return -ENOMEM; - } - lp->board_data = *board_data; - lp->ether_clk = ether_clk; - platform_set_drvdata(pdev, dev); - - spin_lock_init(&lp->lock); - - ether_setup(dev); - dev->open = at91ether_open; - dev->stop = at91ether_close; - dev->hard_start_xmit = at91ether_tx; - dev->get_stats = at91ether_stats; - dev->set_multicast_list = at91ether_set_rx_mode; - dev->set_mac_address = set_mac_address; - dev->ethtool_ops = &at91ether_ethtool_ops; - dev->do_ioctl = at91ether_ioctl; -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = at91ether_poll_controller; -#endif - - SET_NETDEV_DEV(dev, &pdev->dev); - - get_mac_address(dev); /* Get ethernet address and store it in dev->dev_addr */ - update_mac_address(dev); /* Program ethernet address into MAC */ - - at91_emac_write(AT91_EMAC_CTL, 0); - - if (lp->board_data.is_rmii) - at91_emac_write(AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG | AT91_EMAC_RMII); - else - at91_emac_write(AT91_EMAC_CFG, AT91_EMAC_CLK_DIV32 | AT91_EMAC_BIG); - - /* Perform PHY-specific initialization */ - spin_lock_irq(&lp->lock); - enable_mdi(); - if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) { - read_phy(phy_address, MII_DSCR_REG, &val); - if ((val & (1 << 10)) == 0) /* DSCR bit 10 is 0 -- fiber mode */ - lp->phy_media = PORT_FIBRE; - } else if (machine_is_csb337()) { - /* mix link activity status into LED2 link state */ - write_phy(phy_address, MII_LEDCTRL_REG, 0x0d22); - } - disable_mdi(); - spin_unlock_irq(&lp->lock); - - lp->mii.dev = dev; /* Support for ethtool */ - lp->mii.mdio_read = mdio_read; - lp->mii.mdio_write = mdio_write; - lp->mii.phy_id = phy_address; - lp->mii.phy_id_mask = 0x1f; - lp->mii.reg_num_mask = 0x1f; - - lp->phy_type = phy_type; /* Type of PHY connected */ - lp->phy_address = phy_address; /* MDI address of PHY */ - - /* Register the network interface */ - res = register_netdev(dev); - if (res) { - free_irq(dev->irq, dev); - free_netdev(dev); - dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys); - return res; - } - - /* Determine current link speed */ - spin_lock_irq(&lp->lock); - enable_mdi(); - update_linkspeed(dev, 0); - disable_mdi(); - spin_unlock_irq(&lp->lock); - netif_carrier_off(dev); /* will be enabled in open() */ - - /* If board has no PHY IRQ, use a timer to poll the PHY */ - if (!lp->board_data.phy_irq_pin) { - init_timer(&lp->check_timer); - lp->check_timer.data = (unsigned long)dev; - lp->check_timer.function = at91ether_check_link; - } - - /* Display ethernet banner */ - printk(KERN_INFO "%s: AT91 ethernet at 0x%08x int=%d %s%s (%s)\n", - dev->name, (uint) dev->base_addr, dev->irq, - at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_SPD ? "100-" : "10-", - at91_emac_read(AT91_EMAC_CFG) & AT91_EMAC_FD ? "FullDuplex" : "HalfDuplex", - print_mac(mac, dev->dev_addr)); - if ((phy_type == MII_DM9161_ID) || (lp->phy_type == MII_DM9161A_ID)) - printk(KERN_INFO "%s: Davicom 9161 PHY %s\n", dev->name, (lp->phy_media == PORT_FIBRE) ? "(Fiber)" : "(Copper)"); - else if (phy_type == MII_LXT971A_ID) - printk(KERN_INFO "%s: Intel LXT971A PHY\n", dev->name); - else if (phy_type == MII_RTL8201_ID) - printk(KERN_INFO "%s: Realtek RTL8201(B)L PHY\n", dev->name); - else if (phy_type == MII_BCM5221_ID) - printk(KERN_INFO "%s: Broadcom BCM5221 PHY\n", dev->name); - else if (phy_type == MII_DP83847_ID) - printk(KERN_INFO "%s: National Semiconductor DP83847 PHY\n", dev->name); - else if (phy_type == MII_DP83848_ID) - printk(KERN_INFO "%s: National Semiconductor DP83848 PHY\n", dev->name); - else if (phy_type == MII_AC101L_ID) - printk(KERN_INFO "%s: Altima AC101L PHY\n", dev->name); - else if (phy_type == MII_KS8721_ID) - printk(KERN_INFO "%s: Micrel KS8721 PHY\n", dev->name); - else if (phy_type == MII_T78Q21x3_ID) - printk(KERN_INFO "%s: Teridian 78Q21x3 PHY\n", dev->name); - else if (phy_type == MII_LAN83C185_ID) - printk(KERN_INFO "%s: SMSC LAN83C185 PHY\n", dev->name); - - return 0; -} - -/* - * Detect MAC and PHY and perform initialization - */ -static int __init at91ether_probe(struct platform_device *pdev) -{ - unsigned int phyid1, phyid2; - int detected = -1; - unsigned long phy_id; - unsigned short phy_address = 0; - struct clk *ether_clk; - - ether_clk = clk_get(&pdev->dev, "ether_clk"); - if (IS_ERR(ether_clk)) { - printk(KERN_ERR "at91_ether: no clock defined\n"); - return -ENODEV; - } - clk_enable(ether_clk); /* Enable Peripheral clock */ - - while ((detected != 0) && (phy_address < 32)) { - /* Read the PHY ID registers */ - enable_mdi(); - read_phy(phy_address, MII_PHYSID1, &phyid1); - read_phy(phy_address, MII_PHYSID2, &phyid2); - disable_mdi(); - - phy_id = (phyid1 << 16) | (phyid2 & 0xfff0); - switch (phy_id) { - case MII_DM9161_ID: /* Davicom 9161: PHY_ID1 = 0x181, PHY_ID2 = B881 */ - case MII_DM9161A_ID: /* Davicom 9161A: PHY_ID1 = 0x181, PHY_ID2 = B8A0 */ - case MII_LXT971A_ID: /* Intel LXT971A: PHY_ID1 = 0x13, PHY_ID2 = 78E0 */ - case MII_RTL8201_ID: /* Realtek RTL8201: PHY_ID1 = 0, PHY_ID2 = 0x8201 */ - case MII_BCM5221_ID: /* Broadcom BCM5221: PHY_ID1 = 0x40, PHY_ID2 = 0x61e0 */ - case MII_DP83847_ID: /* National Semiconductor DP83847: */ - case MII_DP83848_ID: /* National Semiconductor DP83848: */ - case MII_AC101L_ID: /* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */ - case MII_KS8721_ID: /* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */ - case MII_T78Q21x3_ID: /* Teridian 78Q21x3: PHY_ID1 = 0x0E, PHY_ID2 = 7237 */ - case MII_LAN83C185_ID: /* SMSC LAN83C185: PHY_ID1 = 0x0007, PHY_ID2 = 0xC0A1 */ - detected = at91ether_setup(phy_id, phy_address, pdev, ether_clk); - break; - } - - phy_address++; - } - - clk_disable(ether_clk); /* Disable Peripheral clock */ - - return detected; -} - -static int __devexit at91ether_remove(struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - struct at91_private *lp = netdev_priv(dev); - - unregister_netdev(dev); - free_irq(dev->irq, dev); - dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys); - clk_put(lp->ether_clk); - - platform_set_drvdata(pdev, NULL); - free_netdev(dev); - return 0; -} - -#ifdef CONFIG_PM - -static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg) -{ - struct net_device *net_dev = platform_get_drvdata(pdev); - struct at91_private *lp = netdev_priv(net_dev); - int phy_irq = lp->board_data.phy_irq_pin; - - if (netif_running(net_dev)) { - if (phy_irq) - disable_irq(phy_irq); - - netif_stop_queue(net_dev); - netif_device_detach(net_dev); - - clk_disable(lp->ether_clk); - } - return 0; -} - -static int at91ether_resume(struct platform_device *pdev) -{ - struct net_device *net_dev = platform_get_drvdata(pdev); - struct at91_private *lp = netdev_priv(net_dev); - int phy_irq = lp->board_data.phy_irq_pin; - - if (netif_running(net_dev)) { - clk_enable(lp->ether_clk); - - netif_device_attach(net_dev); - netif_start_queue(net_dev); - - if (phy_irq) - enable_irq(phy_irq); - } - return 0; -} - -#else -#define at91ether_suspend NULL -#define at91ether_resume NULL -#endif - -static struct platform_driver at91ether_driver = { - .probe = at91ether_probe, - .remove = __devexit_p(at91ether_remove), - .suspend = at91ether_suspend, - .resume = at91ether_resume, - .driver = { - .name = DRV_NAME, - .owner = THIS_MODULE, - }, -}; - -static int __init at91ether_init(void) -{ - return platform_driver_register(&at91ether_driver); -} - -static void __exit at91ether_exit(void) -{ - platform_driver_unregister(&at91ether_driver); -} - -module_init(at91ether_init) -module_exit(at91ether_exit) - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("AT91RM9200 EMAC Ethernet driver"); -MODULE_AUTHOR("Andrew Victor"); diff --git a/drivers/net/arm/at91_ether.h b/drivers/net/arm/at91_ether.h deleted file mode 100644 index a38fd2d053a..00000000000 --- a/drivers/net/arm/at91_ether.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Ethernet driver for the Atmel AT91RM9200 (Thunder) - * - * Copyright (C) SAN People (Pty) Ltd - * - * Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc. - * Initial version by Rick Bronson. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef AT91_ETHERNET -#define AT91_ETHERNET - - -/* Davicom 9161 PHY */ -#define MII_DM9161_ID 0x0181b880 -#define MII_DM9161A_ID 0x0181b8a0 -#define MII_DSCR_REG 16 -#define MII_DSCSR_REG 17 -#define MII_DSINTR_REG 21 - -/* Intel LXT971A PHY */ -#define MII_LXT971A_ID 0x001378E0 -#define MII_ISINTE_REG 18 -#define MII_ISINTS_REG 19 -#define MII_LEDCTRL_REG 20 - -/* Realtek RTL8201 PHY */ -#define MII_RTL8201_ID 0x00008200 - -/* Broadcom BCM5221 PHY */ -#define MII_BCM5221_ID 0x004061e0 -#define MII_BCMINTR_REG 26 - -/* National Semiconductor DP83847 */ -#define MII_DP83847_ID 0x20005c30 - -/* National Semiconductor DP83848 */ -#define MII_DP83848_ID 0x20005c90 -#define MII_DPPHYSTS_REG 16 -#define MII_DPMICR_REG 17 -#define MII_DPMISR_REG 18 - -/* Altima AC101L PHY */ -#define MII_AC101L_ID 0x00225520 - -/* Micrel KS8721 PHY */ -#define MII_KS8721_ID 0x00221610 - -/* Teridian 78Q2123/78Q2133 */ -#define MII_T78Q21x3_ID 0x000e7230 -#define MII_T78Q21INT_REG 17 - -/* SMSC LAN83C185 */ -#define MII_LAN83C185_ID 0x0007C0A0 - -/* ........................................................................ */ - -#define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */ -#define MAX_RX_DESCR 9 /* max number of receive buffers */ - -#define EMAC_DESC_DONE 0x00000001 /* bit for if DMA is done */ -#define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */ - -#define EMAC_BROADCAST 0x80000000 /* broadcast address */ -#define EMAC_MULTICAST 0x40000000 /* multicast address */ -#define EMAC_UNICAST 0x20000000 /* unicast address */ - -struct rbf_t -{ - unsigned int addr; - unsigned long size; -}; - -struct recv_desc_bufs -{ - struct rbf_t descriptors[MAX_RX_DESCR]; /* must be on sizeof (rbf_t) boundary */ - char recv_buf[MAX_RX_DESCR][MAX_RBUFF_SZ]; /* must be on long boundary */ -}; - -struct at91_private -{ - struct net_device_stats stats; - struct mii_if_info mii; /* ethtool support */ - struct at91_eth_data board_data; /* board-specific configuration */ - struct clk *ether_clk; /* clock */ - - /* PHY */ - unsigned long phy_type; /* type of PHY (PHY_ID) */ - spinlock_t lock; /* lock for MDI interface */ - short phy_media; /* media interface type */ - unsigned short phy_address; /* 5-bit MDI address of PHY (0..31) */ - struct timer_list check_timer; /* Poll link status */ - - /* Transmit */ - struct sk_buff *skb; /* holds skb until xmit interrupt completes */ - dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ - int skb_length; /* saved skb length for pci_unmap_single */ - - /* Receive */ - int rxBuffIndex; /* index into receive descriptor list */ - struct recv_desc_bufs *dlist; /* descriptor list address */ - struct recv_desc_bufs *dlist_phys; /* descriptor list physical address */ -}; - -#endif diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c deleted file mode 100644 index 91a6590d107..00000000000 --- a/drivers/net/arm/ep93xx_eth.c +++ /dev/null @@ -1,916 +0,0 @@ -/* - * EP93xx ethernet network device driver - * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> - * Dedicated to Marija Kulikova. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/dma-mapping.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/netdevice.h> -#include <linux/mii.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/init.h> -#include <linux/moduleparam.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <asm/arch/ep93xx-regs.h> -#include <asm/arch/platform.h> -#include <asm/io.h> - -#define DRV_MODULE_NAME "ep93xx-eth" -#define DRV_MODULE_VERSION "0.1" - -#define RX_QUEUE_ENTRIES 64 -#define TX_QUEUE_ENTRIES 8 - -#define MAX_PKT_SIZE 2044 -#define PKT_BUF_SIZE 2048 - -#define REG_RXCTL 0x0000 -#define REG_RXCTL_DEFAULT 0x00073800 -#define REG_TXCTL 0x0004 -#define REG_TXCTL_ENABLE 0x00000001 -#define REG_MIICMD 0x0010 -#define REG_MIICMD_READ 0x00008000 -#define REG_MIICMD_WRITE 0x00004000 -#define REG_MIIDATA 0x0014 -#define REG_MIISTS 0x0018 -#define REG_MIISTS_BUSY 0x00000001 -#define REG_SELFCTL 0x0020 -#define REG_SELFCTL_RESET 0x00000001 -#define REG_INTEN 0x0024 -#define REG_INTEN_TX 0x00000008 -#define REG_INTEN_RX 0x00000007 -#define REG_INTSTSP 0x0028 -#define REG_INTSTS_TX 0x00000008 -#define REG_INTSTS_RX 0x00000004 -#define REG_INTSTSC 0x002c -#define REG_AFP 0x004c -#define REG_INDAD0 0x0050 -#define REG_INDAD1 0x0051 -#define REG_INDAD2 0x0052 -#define REG_INDAD3 0x0053 -#define REG_INDAD4 0x0054 -#define REG_INDAD5 0x0055 -#define REG_GIINTMSK 0x0064 -#define REG_GIINTMSK_ENABLE 0x00008000 -#define REG_BMCTL 0x0080 -#define REG_BMCTL_ENABLE_TX 0x00000100 -#define REG_BMCTL_ENABLE_RX 0x00000001 -#define REG_BMSTS 0x0084 -#define REG_BMSTS_RX_ACTIVE 0x00000008 -#define REG_RXDQBADD 0x0090 -#define REG_RXDQBLEN 0x0094 -#define REG_RXDCURADD 0x0098 -#define REG_RXDENQ 0x009c -#define REG_RXSTSQBADD 0x00a0 -#define REG_RXSTSQBLEN 0x00a4 -#define REG_RXSTSQCURADD 0x00a8 -#define REG_RXSTSENQ 0x00ac -#define REG_TXDQBADD 0x00b0 -#define REG_TXDQBLEN 0x00b4 -#define REG_TXDQCURADD 0x00b8 -#define REG_TXDENQ 0x00bc -#define REG_TXSTSQBADD 0x00c0 -#define REG_TXSTSQBLEN 0x00c4 -#define REG_TXSTSQCURADD 0x00c8 -#define REG_MAXFRMLEN 0x00e8 - -struct ep93xx_rdesc -{ - u32 buf_addr; - u32 rdesc1; -}; - -#define RDESC1_NSOF 0x80000000 -#define RDESC1_BUFFER_INDEX 0x7fff0000 -#define RDESC1_BUFFER_LENGTH 0x0000ffff - -struct ep93xx_rstat -{ - u32 rstat0; - u32 rstat1; -}; - -#define RSTAT0_RFP 0x80000000 -#define RSTAT0_RWE 0x40000000 -#define RSTAT0_EOF 0x20000000 -#define RSTAT0_EOB 0x10000000 -#define RSTAT0_AM 0x00c00000 -#define RSTAT0_RX_ERR 0x00200000 -#define RSTAT0_OE 0x00100000 -#define RSTAT0_FE 0x00080000 -#define RSTAT0_RUNT 0x00040000 -#define RSTAT0_EDATA 0x00020000 -#define RSTAT0_CRCE 0x00010000 -#define RSTAT0_CRCI 0x00008000 -#define RSTAT0_HTI 0x00003f00 -#define RSTAT1_RFP 0x80000000 -#define RSTAT1_BUFFER_INDEX 0x7fff0000 -#define RSTAT1_FRAME_LENGTH 0x0000ffff - -struct ep93xx_tdesc -{ - u32 buf_addr; - u32 tdesc1; -}; - -#define TDESC1_EOF 0x80000000 -#define TDESC1_BUFFER_INDEX 0x7fff0000 -#define TDESC1_BUFFER_ABORT 0x00008000 -#define TDESC1_BUFFER_LENGTH 0x00000fff - -struct ep93xx_tstat -{ - u32 tstat0; -}; - -#define TSTAT0_TXFP 0x80000000 -#define TSTAT0_TXWE 0x40000000 -#define TSTAT0_FA 0x20000000 -#define TSTAT0_LCRS 0x10000000 -#define TSTAT0_OW 0x04000000 -#define TSTAT0_TXU 0x02000000 -#define TSTAT0_ECOLL 0x01000000 -#define TSTAT0_NCOLL 0x001f0000 -#define TSTAT0_BUFFER_INDEX 0x00007fff - -struct ep93xx_descs -{ - struct ep93xx_rdesc rdesc[RX_QUEUE_ENTRIES]; - struct ep93xx_tdesc tdesc[TX_QUEUE_ENTRIES]; - struct ep93xx_rstat rstat[RX_QUEUE_ENTRIES]; - struct ep93xx_tstat tstat[TX_QUEUE_ENTRIES]; -}; - -struct ep93xx_priv -{ - struct resource *res; - void *base_addr; - int irq; - - struct ep93xx_descs *descs; - dma_addr_t descs_dma_addr; - - void *rx_buf[RX_QUEUE_ENTRIES]; - void *tx_buf[TX_QUEUE_ENTRIES]; - - spinlock_t rx_lock; - unsigned int rx_pointer; - unsigned int tx_clean_pointer; - unsigned int tx_pointer; - spinlock_t tx_pending_lock; - unsigned int tx_pending; - - struct net_device *dev; - struct napi_struct napi; - - struct net_device_stats stats; - - struct mii_if_info mii; - u8 mdc_divisor; -}; - -#define rdb(ep, off) __raw_readb((ep)->base_addr + (off)) -#define rdw(ep, off) __raw_readw((ep)->base_addr + (off)) -#define rdl(ep, off) __raw_readl((ep)->base_addr + (off)) -#define wrb(ep, off, val) __raw_writeb((val), (ep)->base_addr + (off)) -#define wrw(ep, off, val) __raw_writew((val), (ep)->base_addr + (off)) -#define wrl(ep, off, val) __raw_writel((val), (ep)->base_addr + (off)) - -static int ep93xx_mdio_read(struct net_device *dev, int phy_id, int reg); - -static struct net_device_stats *ep93xx_get_stats(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - return &(ep->stats); -} - -static int ep93xx_rx(struct net_device *dev, int processed, int budget) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - - while (processed < budget) { - int entry; - struct ep93xx_rstat *rstat; - u32 rstat0; - u32 rstat1; - int length; - struct sk_buff *skb; - - entry = ep->rx_pointer; - rstat = ep->descs->rstat + entry; - - rstat0 = rstat->rstat0; - rstat1 = rstat->rstat1; - if (!(rstat0 & RSTAT0_RFP) || !(rstat1 & RSTAT1_RFP)) - break; - - rstat->rstat0 = 0; - rstat->rstat1 = 0; - - if (!(rstat0 & RSTAT0_EOF)) - printk(KERN_CRIT "ep93xx_rx: not end-of-frame " - " %.8x %.8x\n", rstat0, rstat1); - if (!(rstat0 & RSTAT0_EOB)) - printk(KERN_CRIT "ep93xx_rx: not end-of-buffer " - " %.8x %.8x\n", rstat0, rstat1); - if ((rstat1 & RSTAT1_BUFFER_INDEX) >> 16 != entry) - printk(KERN_CRIT "ep93xx_rx: entry mismatch " - " %.8x %.8x\n", rstat0, rstat1); - - if (!(rstat0 & RSTAT0_RWE)) { - ep->stats.rx_errors++; - if (rstat0 & RSTAT0_OE) - ep->stats.rx_fifo_errors++; - if (rstat0 & RSTAT0_FE) - ep->stats.rx_frame_errors++; - if (rstat0 & (RSTAT0_RUNT | RSTAT0_EDATA)) - ep->stats.rx_length_errors++; - if (rstat0 & RSTAT0_CRCE) - ep->stats.rx_crc_errors++; - goto err; - } - - length = rstat1 & RSTAT1_FRAME_LENGTH; - if (length > MAX_PKT_SIZE) { - printk(KERN_NOTICE "ep93xx_rx: invalid length " - " %.8x %.8x\n", rstat0, rstat1); - goto err; - } - - /* Strip FCS. */ - if (rstat0 & RSTAT0_CRCI) - length -= 4; - - skb = dev_alloc_skb(length + 2); - if (likely(skb != NULL)) { - skb_reserve(skb, 2); - dma_sync_single(NULL, ep->descs->rdesc[entry].buf_addr, - length, DMA_FROM_DEVICE); - skb_copy_to_linear_data(skb, ep->rx_buf[entry], length); - skb_put(skb, length); - skb->protocol = eth_type_trans(skb, dev); - - dev->last_rx = jiffies; - - netif_receive_skb(skb); - - ep->stats.rx_packets++; - ep->stats.rx_bytes += length; - } else { - ep->stats.rx_dropped++; - } - -err: - ep->rx_pointer = (entry + 1) & (RX_QUEUE_ENTRIES - 1); - processed++; - } - - if (processed) { - wrw(ep, REG_RXDENQ, processed); - wrw(ep, REG_RXSTSENQ, processed); - } - - return processed; -} - -static int ep93xx_have_more_rx(struct ep93xx_priv *ep) -{ - struct ep93xx_rstat *rstat = ep->descs->rstat + ep->rx_pointer; - return !!((rstat->rstat0 & RSTAT0_RFP) && (rstat->rstat1 & RSTAT1_RFP)); -} - -static int ep93xx_poll(struct napi_struct *napi, int budget) -{ - struct ep93xx_priv *ep = container_of(napi, struct ep93xx_priv, napi); - struct net_device *dev = ep->dev; - int rx = 0; - -poll_some_more: - rx = ep93xx_rx(dev, rx, budget); - if (rx < budget) { - int more = 0; - - spin_lock_irq(&ep->rx_lock); - __netif_rx_complete(dev, napi); - wrl(ep, REG_INTEN, REG_INTEN_TX | REG_INTEN_RX); - if (ep93xx_have_more_rx(ep)) { - wrl(ep, REG_INTEN, REG_INTEN_TX); - wrl(ep, REG_INTSTSP, REG_INTSTS_RX); - more = 1; - } - spin_unlock_irq(&ep->rx_lock); - - if (more && netif_rx_reschedule(dev, napi)) - goto poll_some_more; - } - - return rx; -} - -static int ep93xx_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int entry; - - if (unlikely(skb->len > MAX_PKT_SIZE)) { - ep->stats.tx_dropped++; - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - entry = ep->tx_pointer; - ep->tx_pointer = (ep->tx_pointer + 1) & (TX_QUEUE_ENTRIES - 1); - - ep->descs->tdesc[entry].tdesc1 = - TDESC1_EOF | (entry << 16) | (skb->len & 0xfff); - skb_copy_and_csum_dev(skb, ep->tx_buf[entry]); - dma_sync_single(NULL, ep->descs->tdesc[entry].buf_addr, - skb->len, DMA_TO_DEVICE); - dev_kfree_skb(skb); - - dev->trans_start = jiffies; - - spin_lock_irq(&ep->tx_pending_lock); - ep->tx_pending++; - if (ep->tx_pending == TX_QUEUE_ENTRIES) - netif_stop_queue(dev); - spin_unlock_irq(&ep->tx_pending_lock); - - wrl(ep, REG_TXDENQ, 1); - - return NETDEV_TX_OK; -} - -static void ep93xx_tx_complete(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int wake; - - wake = 0; - - spin_lock(&ep->tx_pending_lock); - while (1) { - int entry; - struct ep93xx_tstat *tstat; - u32 tstat0; - - entry = ep->tx_clean_pointer; - tstat = ep->descs->tstat + entry; - - tstat0 = tstat->tstat0; - if (!(tstat0 & TSTAT0_TXFP)) - break; - - tstat->tstat0 = 0; - - if (tstat0 & TSTAT0_FA) - printk(KERN_CRIT "ep93xx_tx_complete: frame aborted " - " %.8x\n", tstat0); - if ((tstat0 & TSTAT0_BUFFER_INDEX) != entry) - printk(KERN_CRIT "ep93xx_tx_complete: entry mismatch " - " %.8x\n", tstat0); - - if (tstat0 & TSTAT0_TXWE) { - int length = ep->descs->tdesc[entry].tdesc1 & 0xfff; - - ep->stats.tx_packets++; - ep->stats.tx_bytes += length; - } else { - ep->stats.tx_errors++; - } - - if (tstat0 & TSTAT0_OW) - ep->stats.tx_window_errors++; - if (tstat0 & TSTAT0_TXU) - ep->stats.tx_fifo_errors++; - ep->stats.collisions += (tstat0 >> 16) & 0x1f; - - ep->tx_clean_pointer = (entry + 1) & (TX_QUEUE_ENTRIES - 1); - if (ep->tx_pending == TX_QUEUE_ENTRIES) - wake = 1; - ep->tx_pending--; - } - spin_unlock(&ep->tx_pending_lock); - - if (wake) - netif_wake_queue(dev); -} - -static irqreturn_t ep93xx_irq(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct ep93xx_priv *ep = netdev_priv(dev); - u32 status; - - status = rdl(ep, REG_INTSTSC); - if (status == 0) - return IRQ_NONE; - - if (status & REG_INTSTS_RX) { - spin_lock(&ep->rx_lock); - if (likely(netif_rx_schedule_prep(dev, &ep->napi))) { - wrl(ep, REG_INTEN, REG_INTEN_TX); - __netif_rx_schedule(dev, &ep->napi); - } - spin_unlock(&ep->rx_lock); - } - - if (status & REG_INTSTS_TX) - ep93xx_tx_complete(dev); - - return IRQ_HANDLED; -} - -static void ep93xx_free_buffers(struct ep93xx_priv *ep) -{ - int i; - - for (i = 0; i < RX_QUEUE_ENTRIES; i += 2) { - dma_addr_t d; - - d = ep->descs->rdesc[i].buf_addr; - if (d) - dma_unmap_single(NULL, d, PAGE_SIZE, DMA_FROM_DEVICE); - - if (ep->rx_buf[i] != NULL) - free_page((unsigned long)ep->rx_buf[i]); - } - - for (i = 0; i < TX_QUEUE_ENTRIES; i += 2) { - dma_addr_t d; - - d = ep->descs->tdesc[i].buf_addr; - if (d) - dma_unmap_single(NULL, d, PAGE_SIZE, DMA_TO_DEVICE); - - if (ep->tx_buf[i] != NULL) - free_page((unsigned long)ep->tx_buf[i]); - } - - dma_free_coherent(NULL, sizeof(struct ep93xx_descs), ep->descs, - ep->descs_dma_addr); -} - -/* - * The hardware enforces a sub-2K maximum packet size, so we put - * two buffers on every hardware page. - */ -static int ep93xx_alloc_buffers(struct ep93xx_priv *ep) -{ - int i; - - ep->descs = dma_alloc_coherent(NULL, sizeof(struct ep93xx_descs), - &ep->descs_dma_addr, GFP_KERNEL | GFP_DMA); - if (ep->descs == NULL) - return 1; - - for (i = 0; i < RX_QUEUE_ENTRIES; i += 2) { - void *page; - dma_addr_t d; - - page = (void *)__get_free_page(GFP_KERNEL | GFP_DMA); - if (page == NULL) - goto err; - - d = dma_map_single(NULL, page, PAGE_SIZE, DMA_FROM_DEVICE); - if (dma_mapping_error(d)) { - free_page((unsigned long)page); - goto err; - } - - ep->rx_buf[i] = page; - ep->descs->rdesc[i].buf_addr = d; - ep->descs->rdesc[i].rdesc1 = (i << 16) | PKT_BUF_SIZE; - - ep->rx_buf[i + 1] = page + PKT_BUF_SIZE; - ep->descs->rdesc[i + 1].buf_addr = d + PKT_BUF_SIZE; - ep->descs->rdesc[i + 1].rdesc1 = ((i + 1) << 16) | PKT_BUF_SIZE; - } - - for (i = 0; i < TX_QUEUE_ENTRIES; i += 2) { - void *page; - dma_addr_t d; - - page = (void *)__get_free_page(GFP_KERNEL | GFP_DMA); - if (page == NULL) - goto err; - - d = dma_map_single(NULL, page, PAGE_SIZE, DMA_TO_DEVICE); - if (dma_mapping_error(d)) { - free_page((unsigned long)page); - goto err; - } - - ep->tx_buf[i] = page; - ep->descs->tdesc[i].buf_addr = d; - - ep->tx_buf[i + 1] = page + PKT_BUF_SIZE; - ep->descs->tdesc[i + 1].buf_addr = d + PKT_BUF_SIZE; - } - - return 0; - -err: - ep93xx_free_buffers(ep); - return 1; -} - -static int ep93xx_start_hw(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - unsigned long addr; - int i; - - wrl(ep, REG_SELFCTL, REG_SELFCTL_RESET); - for (i = 0; i < 10; i++) { - if ((rdl(ep, REG_SELFCTL) & REG_SELFCTL_RESET) == 0) - break; - msleep(1); - } - - if (i == 10) { - printk(KERN_CRIT DRV_MODULE_NAME ": hw failed to reset\n"); - return 1; - } - - wrl(ep, REG_SELFCTL, ((ep->mdc_divisor - 1) << 9)); - - /* Does the PHY support preamble suppress? */ - if ((ep93xx_mdio_read(dev, ep->mii.phy_id, MII_BMSR) & 0x0040) != 0) - wrl(ep, REG_SELFCTL, ((ep->mdc_divisor - 1) << 9) | (1 << 8)); - - /* Receive descriptor ring. */ - addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, rdesc); - wrl(ep, REG_RXDQBADD, addr); - wrl(ep, REG_RXDCURADD, addr); - wrw(ep, REG_RXDQBLEN, RX_QUEUE_ENTRIES * sizeof(struct ep93xx_rdesc)); - - /* Receive status ring. */ - addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, rstat); - wrl(ep, REG_RXSTSQBADD, addr); - wrl(ep, REG_RXSTSQCURADD, addr); - wrw(ep, REG_RXSTSQBLEN, RX_QUEUE_ENTRIES * sizeof(struct ep93xx_rstat)); - - /* Transmit descriptor ring. */ - addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, tdesc); - wrl(ep, REG_TXDQBADD, addr); - wrl(ep, REG_TXDQCURADD, addr); - wrw(ep, REG_TXDQBLEN, TX_QUEUE_ENTRIES * sizeof(struct ep93xx_tdesc)); - - /* Transmit status ring. */ - addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, tstat); - wrl(ep, REG_TXSTSQBADD, addr); - wrl(ep, REG_TXSTSQCURADD, addr); - wrw(ep, REG_TXSTSQBLEN, TX_QUEUE_ENTRIES * sizeof(struct ep93xx_tstat)); - - wrl(ep, REG_BMCTL, REG_BMCTL_ENABLE_TX | REG_BMCTL_ENABLE_RX); - wrl(ep, REG_INTEN, REG_INTEN_TX | REG_INTEN_RX); - wrl(ep, REG_GIINTMSK, 0); - - for (i = 0; i < 10; i++) { - if ((rdl(ep, REG_BMSTS) & REG_BMSTS_RX_ACTIVE) != 0) - break; - msleep(1); - } - - if (i == 10) { - printk(KERN_CRIT DRV_MODULE_NAME ": hw failed to start\n"); - return 1; - } - - wrl(ep, REG_RXDENQ, RX_QUEUE_ENTRIES); - wrl(ep, REG_RXSTSENQ, RX_QUEUE_ENTRIES); - - wrb(ep, REG_INDAD0, dev->dev_addr[0]); - wrb(ep, REG_INDAD1, dev->dev_addr[1]); - wrb(ep, REG_INDAD2, dev->dev_addr[2]); - wrb(ep, REG_INDAD3, dev->dev_addr[3]); - wrb(ep, REG_INDAD4, dev->dev_addr[4]); - wrb(ep, REG_INDAD5, dev->dev_addr[5]); - wrl(ep, REG_AFP, 0); - - wrl(ep, REG_MAXFRMLEN, (MAX_PKT_SIZE << 16) | MAX_PKT_SIZE); - - wrl(ep, REG_RXCTL, REG_RXCTL_DEFAULT); - wrl(ep, REG_TXCTL, REG_TXCTL_ENABLE); - - return 0; -} - -static void ep93xx_stop_hw(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int i; - - wrl(ep, REG_SELFCTL, REG_SELFCTL_RESET); - for (i = 0; i < 10; i++) { - if ((rdl(ep, REG_SELFCTL) & REG_SELFCTL_RESET) == 0) - break; - msleep(1); - } - - if (i == 10) - printk(KERN_CRIT DRV_MODULE_NAME ": hw failed to reset\n"); -} - -static int ep93xx_open(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int err; - - if (ep93xx_alloc_buffers(ep)) - return -ENOMEM; - - if (is_zero_ether_addr(dev->dev_addr)) { - random_ether_addr(dev->dev_addr); - printk(KERN_INFO "%s: generated random MAC address " - "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x.\n", dev->name, - dev->dev_addr[0], dev->dev_addr[1], - dev->dev_addr[2], dev->dev_addr[3], - dev->dev_addr[4], dev->dev_addr[5]); - } - - napi_enable(&ep->napi); - - if (ep93xx_start_hw(dev)) { - napi_disable(&ep->napi); - ep93xx_free_buffers(ep); - return -EIO; - } - - spin_lock_init(&ep->rx_lock); - ep->rx_pointer = 0; - ep->tx_clean_pointer = 0; - ep->tx_pointer = 0; - spin_lock_init(&ep->tx_pending_lock); - ep->tx_pending = 0; - - err = request_irq(ep->irq, ep93xx_irq, IRQF_SHARED, dev->name, dev); - if (err) { - napi_disable(&ep->napi); - ep93xx_stop_hw(dev); - ep93xx_free_buffers(ep); - return err; - } - - wrl(ep, REG_GIINTMSK, REG_GIINTMSK_ENABLE); - - netif_start_queue(dev); - - return 0; -} - -static int ep93xx_close(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - - napi_disable(&ep->napi); - netif_stop_queue(dev); - - wrl(ep, REG_GIINTMSK, 0); - free_irq(ep->irq, dev); - ep93xx_stop_hw(dev); - ep93xx_free_buffers(ep); - - return 0; -} - -static int ep93xx_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - struct mii_ioctl_data *data = if_mii(ifr); - - return generic_mii_ioctl(&ep->mii, data, cmd, NULL); -} - -static int ep93xx_mdio_read(struct net_device *dev, int phy_id, int reg) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int data; - int i; - - wrl(ep, REG_MIICMD, REG_MIICMD_READ | (phy_id << 5) | reg); - - for (i = 0; i < 10; i++) { - if ((rdl(ep, REG_MIISTS) & REG_MIISTS_BUSY) == 0) - break; - msleep(1); - } - - if (i == 10) { - printk(KERN_INFO DRV_MODULE_NAME ": mdio read timed out\n"); - data = 0xffff; - } else { - data = rdl(ep, REG_MIIDATA); - } - - return data; -} - -static void ep93xx_mdio_write(struct net_device *dev, int phy_id, int reg, int data) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - int i; - - wrl(ep, REG_MIIDATA, data); - wrl(ep, REG_MIICMD, REG_MIICMD_WRITE | (phy_id << 5) | reg); - - for (i = 0; i < 10; i++) { - if ((rdl(ep, REG_MIISTS) & REG_MIISTS_BUSY) == 0) - break; - msleep(1); - } - - if (i == 10) - printk(KERN_INFO DRV_MODULE_NAME ": mdio write timed out\n"); -} - -static void ep93xx_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - strcpy(info->driver, DRV_MODULE_NAME); - strcpy(info->version, DRV_MODULE_VERSION); -} - -static int ep93xx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - return mii_ethtool_gset(&ep->mii, cmd); -} - -static int ep93xx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - return mii_ethtool_sset(&ep->mii, cmd); -} - -static int ep93xx_nway_reset(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - return mii_nway_restart(&ep->mii); -} - -static u32 ep93xx_get_link(struct net_device *dev) -{ - struct ep93xx_priv *ep = netdev_priv(dev); - return mii_link_ok(&ep->mii); -} - -static struct ethtool_ops ep93xx_ethtool_ops = { - .get_drvinfo = ep93xx_get_drvinfo, - .get_settings = ep93xx_get_settings, - .set_settings = ep93xx_set_settings, - .nway_reset = ep93xx_nway_reset, - .get_link = ep93xx_get_link, -}; - -struct net_device *ep93xx_dev_alloc(struct ep93xx_eth_data *data) -{ - struct net_device *dev; - - dev = alloc_etherdev(sizeof(struct ep93xx_priv)); - if (dev == NULL) - return NULL; - - memcpy(dev->dev_addr, data->dev_addr, ETH_ALEN); - - dev->get_stats = ep93xx_get_stats; - dev->ethtool_ops = &ep93xx_ethtool_ops; - dev->hard_start_xmit = ep93xx_xmit; - dev->open = ep93xx_open; - dev->stop = ep93xx_close; - dev->do_ioctl = ep93xx_ioctl; - - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; - - return dev; -} - - -static int ep93xx_eth_remove(struct platform_device *pdev) -{ - struct net_device *dev; - struct ep93xx_priv *ep; - - dev = platform_get_drvdata(pdev); - if (dev == NULL) - return 0; - platform_set_drvdata(pdev, NULL); - - ep = netdev_priv(dev); - - /* @@@ Force down. */ - unregister_netdev(dev); - ep93xx_free_buffers(ep); - - if (ep->base_addr != NULL) - iounmap(ep->base_addr); - - if (ep->res != NULL) { - release_resource(ep->res); - kfree(ep->res); - } - - free_netdev(dev); - - return 0; -} - -static int ep93xx_eth_probe(struct platform_device *pdev) -{ - struct ep93xx_eth_data *data; - struct net_device *dev; - struct ep93xx_priv *ep; - int err; - - if (pdev == NULL) - return -ENODEV; - data = pdev->dev.platform_data; - - dev = ep93xx_dev_alloc(data); - if (dev == NULL) { - err = -ENOMEM; - goto err_out; - } - ep = netdev_priv(dev); - ep->dev = dev; - netif_napi_add(dev, &ep->napi, ep93xx_poll, 64); - - platform_set_drvdata(pdev, dev); - - ep->res = request_mem_region(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start + 1, - pdev->dev.bus_id); - if (ep->res == NULL) { - dev_err(&pdev->dev, "Could not reserve memory region\n"); - err = -ENOMEM; - goto err_out; - } - - ep->base_addr = ioremap(pdev->resource[0].start, - pdev->resource[0].end - pdev->resource[0].start); - if (ep->base_addr == NULL) { - dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n"); - err = -EIO; - goto err_out; - } - ep->irq = pdev->resource[1].start; - - ep->mii.phy_id = data->phy_id; - ep->mii.phy_id_mask = 0x1f; - ep->mii.reg_num_mask = 0x1f; - ep->mii.dev = dev; - ep->mii.mdio_read = ep93xx_mdio_read; - ep->mii.mdio_write = ep93xx_mdio_write; - ep->mdc_divisor = 40; /* Max HCLK 100 MHz, min MDIO clk 2.5 MHz. */ - - err = register_netdev(dev); - if (err) { - dev_err(&pdev->dev, "Failed to register netdev\n"); - goto err_out; - } - - printk(KERN_INFO "%s: ep93xx on-chip ethernet, IRQ %d, " - "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x.\n", dev->name, - ep->irq, data->dev_addr[0], data->dev_addr[1], - data->dev_addr[2], data->dev_addr[3], - data->dev_addr[4], data->dev_addr[5]); - - return 0; - -err_out: - ep93xx_eth_remove(pdev); - return err; -} - - -static struct platform_driver ep93xx_eth_driver = { - .probe = ep93xx_eth_probe, - .remove = ep93xx_eth_remove, - .driver = { - .name = "ep93xx-eth", - }, -}; - -static int __init ep93xx_eth_init_module(void) -{ - printk(KERN_INFO DRV_MODULE_NAME " version " DRV_MODULE_VERSION " loading\n"); - return platform_driver_register(&ep93xx_eth_driver); -} - -static void __exit ep93xx_eth_cleanup_module(void) -{ - platform_driver_unregister(&ep93xx_eth_driver); -} - -module_init(ep93xx_eth_init_module); -module_exit(ep93xx_eth_cleanup_module); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/arm/ether1.c b/drivers/net/arm/ether1.c deleted file mode 100644 index 3bb9e293e2e..00000000000 --- a/drivers/net/arm/ether1.c +++ /dev/null @@ -1,1099 +0,0 @@ -/* - * linux/drivers/acorn/net/ether1.c - * - * Copyright (C) 1996-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Acorn ether1 driver (82586 chip) for Acorn machines - * - * We basically keep two queues in the cards memory - one for transmit - * and one for receive. Each has a head and a tail. The head is where - * we/the chip adds packets to be transmitted/received, and the tail - * is where the transmitter has got to/where the receiver will stop. - * Both of these queues are circular, and since the chip is running - * all the time, we have to be careful when we modify the pointers etc - * so that the buffer memory contents is valid all the time. - * - * Change log: - * 1.00 RMK Released - * 1.01 RMK 19/03/1996 Transfers the last odd byte onto/off of the card now. - * 1.02 RMK 25/05/1997 Added code to restart RU if it goes not ready - * 1.03 RMK 14/09/1997 Cleaned up the handling of a reset during the TX interrupt. - * Should prevent lockup. - * 1.04 RMK 17/09/1997 Added more info when initialsation of chip goes wrong. - * TDR now only reports failure when chip reports non-zero - * TDR time-distance. - * 1.05 RMK 31/12/1997 Removed calls to dev_tint for 2.1 - * 1.06 RMK 10/02/2000 Updated for 2.3.43 - * 1.07 RMK 13/05/2000 Updated for 2.3.99-pre8 - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/bitops.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/ecard.h> - -#define __ETHER1_C -#include "ether1.h" - -static unsigned int net_debug = NET_DEBUG; - -#define BUFFER_SIZE 0x10000 -#define TX_AREA_START 0x00100 -#define TX_AREA_END 0x05000 -#define RX_AREA_START 0x05000 -#define RX_AREA_END 0x0fc00 - -static int ether1_open(struct net_device *dev); -static int ether1_sendpacket(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t ether1_interrupt(int irq, void *dev_id); -static int ether1_close(struct net_device *dev); -static struct net_device_stats *ether1_getstats(struct net_device *dev); -static void ether1_setmulticastlist(struct net_device *dev); -static void ether1_timeout(struct net_device *dev); - -/* ------------------------------------------------------------------------- */ - -static char version[] __devinitdata = "ether1 ethernet driver (c) 2000 Russell King v1.07\n"; - -#define BUS_16 16 -#define BUS_8 8 - -/* ------------------------------------------------------------------------- */ - -#define DISABLEIRQS 1 -#define NORMALIRQS 0 - -#define ether1_readw(dev, addr, type, offset, svflgs) ether1_inw_p (dev, addr + (int)(&((type *)0)->offset), svflgs) -#define ether1_writew(dev, val, addr, type, offset, svflgs) ether1_outw_p (dev, val, addr + (int)(&((type *)0)->offset), svflgs) - -static inline unsigned short -ether1_inw_p (struct net_device *dev, int addr, int svflgs) -{ - unsigned long flags; - unsigned short ret; - - if (svflgs) - local_irq_save (flags); - - writeb(addr >> 12, REG_PAGE); - ret = readw(ETHER1_RAM + ((addr & 4095) << 1)); - if (svflgs) - local_irq_restore (flags); - return ret; -} - -static inline void -ether1_outw_p (struct net_device *dev, unsigned short val, int addr, int svflgs) -{ - unsigned long flags; - - if (svflgs) - local_irq_save (flags); - - writeb(addr >> 12, REG_PAGE); - writew(val, ETHER1_RAM + ((addr & 4095) << 1)); - if (svflgs) - local_irq_restore (flags); -} - -/* - * Some inline assembler to allow fast transfers on to/off of the card. - * Since this driver depends on some features presented by the ARM - * specific architecture, and that you can't configure this driver - * without specifiing ARM mode, this is not a problem. - * - * This routine is essentially an optimised memcpy from the card's - * onboard RAM to kernel memory. - */ -static void -ether1_writebuffer (struct net_device *dev, void *data, unsigned int start, unsigned int length) -{ - unsigned int page, thislen, offset; - void __iomem *addr; - - offset = start & 4095; - page = start >> 12; - addr = ETHER1_RAM + (offset << 1); - - if (offset + length > 4096) - thislen = 4096 - offset; - else - thislen = length; - - do { - int used; - - writeb(page, REG_PAGE); - length -= thislen; - - __asm__ __volatile__( - "subs %3, %3, #2\n\ - bmi 2f\n\ -1: ldr %0, [%1], #2\n\ - mov %0, %0, lsl #16\n\ - orr %0, %0, %0, lsr #16\n\ - str %0, [%2], #4\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%1], #2\n\ - mov %0, %0, lsl #16\n\ - orr %0, %0, %0, lsr #16\n\ - str %0, [%2], #4\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%1], #2\n\ - mov %0, %0, lsl #16\n\ - orr %0, %0, %0, lsr #16\n\ - str %0, [%2], #4\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%1], #2\n\ - mov %0, %0, lsl #16\n\ - orr %0, %0, %0, lsr #16\n\ - str %0, [%2], #4\n\ - subs %3, %3, #2\n\ - bpl 1b\n\ -2: adds %3, %3, #1\n\ - ldreqb %0, [%1]\n\ - streqb %0, [%2]" - : "=&r" (used), "=&r" (data) - : "r" (addr), "r" (thislen), "1" (data)); - - addr = ETHER1_RAM; - - thislen = length; - if (thislen > 4096) - thislen = 4096; - page++; - } while (thislen); -} - -static void -ether1_readbuffer (struct net_device *dev, void *data, unsigned int start, unsigned int length) -{ - unsigned int page, thislen, offset; - void __iomem *addr; - - offset = start & 4095; - page = start >> 12; - addr = ETHER1_RAM + (offset << 1); - - if (offset + length > 4096) - thislen = 4096 - offset; - else - thislen = length; - - do { - int used; - - writeb(page, REG_PAGE); - length -= thislen; - - __asm__ __volatile__( - "subs %3, %3, #2\n\ - bmi 2f\n\ -1: ldr %0, [%2], #4\n\ - strb %0, [%1], #1\n\ - mov %0, %0, lsr #8\n\ - strb %0, [%1], #1\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%2], #4\n\ - strb %0, [%1], #1\n\ - mov %0, %0, lsr #8\n\ - strb %0, [%1], #1\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%2], #4\n\ - strb %0, [%1], #1\n\ - mov %0, %0, lsr #8\n\ - strb %0, [%1], #1\n\ - subs %3, %3, #2\n\ - bmi 2f\n\ - ldr %0, [%2], #4\n\ - strb %0, [%1], #1\n\ - mov %0, %0, lsr #8\n\ - strb %0, [%1], #1\n\ - subs %3, %3, #2\n\ - bpl 1b\n\ -2: adds %3, %3, #1\n\ - ldreqb %0, [%2]\n\ - streqb %0, [%1]" - : "=&r" (used), "=&r" (data) - : "r" (addr), "r" (thislen), "1" (data)); - - addr = ETHER1_RAM; - - thislen = length; - if (thislen > 4096) - thislen = 4096; - page++; - } while (thislen); -} - -static int __devinit -ether1_ramtest(struct net_device *dev, unsigned char byte) -{ - unsigned char *buffer = kmalloc (BUFFER_SIZE, GFP_KERNEL); - int i, ret = BUFFER_SIZE; - int max_errors = 15; - int bad = -1; - int bad_start = 0; - - if (!buffer) - return 1; - - memset (buffer, byte, BUFFER_SIZE); - ether1_writebuffer (dev, buffer, 0, BUFFER_SIZE); - memset (buffer, byte ^ 0xff, BUFFER_SIZE); - ether1_readbuffer (dev, buffer, 0, BUFFER_SIZE); - - for (i = 0; i < BUFFER_SIZE; i++) { - if (buffer[i] != byte) { - if (max_errors >= 0 && bad != buffer[i]) { - if (bad != -1) - printk ("\n"); - printk (KERN_CRIT "%s: RAM failed with (%02X instead of %02X) at 0x%04X", - dev->name, buffer[i], byte, i); - ret = -ENODEV; - max_errors --; - bad = buffer[i]; - bad_start = i; - } - } else { - if (bad != -1) { - if (bad_start == i - 1) - printk ("\n"); - else - printk (" - 0x%04X\n", i - 1); - bad = -1; - } - } - } - - if (bad != -1) - printk (" - 0x%04X\n", BUFFER_SIZE); - kfree (buffer); - - return ret; -} - -static int -ether1_reset (struct net_device *dev) -{ - writeb(CTRL_RST|CTRL_ACK, REG_CONTROL); - return BUS_16; -} - -static int __devinit -ether1_init_2(struct net_device *dev) -{ - int i; - dev->mem_start = 0; - - i = ether1_ramtest (dev, 0x5a); - - if (i > 0) - i = ether1_ramtest (dev, 0x1e); - - if (i <= 0) - return -ENODEV; - - dev->mem_end = i; - return 0; -} - -/* - * These are the structures that are loaded into the ether RAM card to - * initialise the 82586 - */ - -/* at 0x0100 */ -#define NOP_ADDR (TX_AREA_START) -#define NOP_SIZE (0x06) -static nop_t init_nop = { - 0, - CMD_NOP, - NOP_ADDR -}; - -/* at 0x003a */ -#define TDR_ADDR (0x003a) -#define TDR_SIZE (0x08) -static tdr_t init_tdr = { - 0, - CMD_TDR | CMD_INTR, - NOP_ADDR, - 0 -}; - -/* at 0x002e */ -#define MC_ADDR (0x002e) -#define MC_SIZE (0x0c) -static mc_t init_mc = { - 0, - CMD_SETMULTICAST, - TDR_ADDR, - 0, - { { 0, } } -}; - -/* at 0x0022 */ -#define SA_ADDR (0x0022) -#define SA_SIZE (0x0c) -static sa_t init_sa = { - 0, - CMD_SETADDRESS, - MC_ADDR, - { 0, } -}; - -/* at 0x0010 */ -#define CFG_ADDR (0x0010) -#define CFG_SIZE (0x12) -static cfg_t init_cfg = { - 0, - CMD_CONFIG, - SA_ADDR, - 8, - 8, - CFG8_SRDY, - CFG9_PREAMB8 | CFG9_ADDRLENBUF | CFG9_ADDRLEN(6), - 0, - 0x60, - 0, - CFG13_RETRY(15) | CFG13_SLOTH(2), - 0, -}; - -/* at 0x0000 */ -#define SCB_ADDR (0x0000) -#define SCB_SIZE (0x10) -static scb_t init_scb = { - 0, - SCB_CMDACKRNR | SCB_CMDACKCNA | SCB_CMDACKFR | SCB_CMDACKCX, - CFG_ADDR, - RX_AREA_START, - 0, - 0, - 0, - 0 -}; - -/* at 0xffee */ -#define ISCP_ADDR (0xffee) -#define ISCP_SIZE (0x08) -static iscp_t init_iscp = { - 1, - SCB_ADDR, - 0x0000, - 0x0000 -}; - -/* at 0xfff6 */ -#define SCP_ADDR (0xfff6) -#define SCP_SIZE (0x0a) -static scp_t init_scp = { - SCP_SY_16BBUS, - { 0, 0 }, - ISCP_ADDR, - 0 -}; - -#define RFD_SIZE (0x16) -static rfd_t init_rfd = { - 0, - 0, - 0, - 0, - { 0, }, - { 0, }, - 0 -}; - -#define RBD_SIZE (0x0a) -static rbd_t init_rbd = { - 0, - 0, - 0, - 0, - ETH_FRAME_LEN + 8 -}; - -#define TX_SIZE (0x08) -#define TBD_SIZE (0x08) - -static int -ether1_init_for_open (struct net_device *dev) -{ - int i, status, addr, next, next2; - int failures = 0; - unsigned long timeout; - - writeb(CTRL_RST|CTRL_ACK, REG_CONTROL); - - for (i = 0; i < 6; i++) - init_sa.sa_addr[i] = dev->dev_addr[i]; - - /* load data structures into ether1 RAM */ - ether1_writebuffer (dev, &init_scp, SCP_ADDR, SCP_SIZE); - ether1_writebuffer (dev, &init_iscp, ISCP_ADDR, ISCP_SIZE); - ether1_writebuffer (dev, &init_scb, SCB_ADDR, SCB_SIZE); - ether1_writebuffer (dev, &init_cfg, CFG_ADDR, CFG_SIZE); - ether1_writebuffer (dev, &init_sa, SA_ADDR, SA_SIZE); - ether1_writebuffer (dev, &init_mc, MC_ADDR, MC_SIZE); - ether1_writebuffer (dev, &init_tdr, TDR_ADDR, TDR_SIZE); - ether1_writebuffer (dev, &init_nop, NOP_ADDR, NOP_SIZE); - - if (ether1_readw(dev, CFG_ADDR, cfg_t, cfg_command, NORMALIRQS) != CMD_CONFIG) { - printk (KERN_ERR "%s: detected either RAM fault or compiler bug\n", - dev->name); - return 1; - } - - /* - * setup circularly linked list of { rfd, rbd, buffer }, with - * all rfds circularly linked, rbds circularly linked. - * First rfd is linked to scp, first rbd is linked to first - * rfd. Last rbd has a suspend command. - */ - addr = RX_AREA_START; - do { - next = addr + RFD_SIZE + RBD_SIZE + ETH_FRAME_LEN + 10; - next2 = next + RFD_SIZE + RBD_SIZE + ETH_FRAME_LEN + 10; - - if (next2 >= RX_AREA_END) { - next = RX_AREA_START; - init_rfd.rfd_command = RFD_CMDEL | RFD_CMDSUSPEND; - priv(dev)->rx_tail = addr; - } else - init_rfd.rfd_command = 0; - if (addr == RX_AREA_START) - init_rfd.rfd_rbdoffset = addr + RFD_SIZE; - else - init_rfd.rfd_rbdoffset = 0; - init_rfd.rfd_link = next; - init_rbd.rbd_link = next + RFD_SIZE; - init_rbd.rbd_bufl = addr + RFD_SIZE + RBD_SIZE; - - ether1_writebuffer (dev, &init_rfd, addr, RFD_SIZE); - ether1_writebuffer (dev, &init_rbd, addr + RFD_SIZE, RBD_SIZE); - addr = next; - } while (next2 < RX_AREA_END); - - priv(dev)->tx_link = NOP_ADDR; - priv(dev)->tx_head = NOP_ADDR + NOP_SIZE; - priv(dev)->tx_tail = TDR_ADDR; - priv(dev)->rx_head = RX_AREA_START; - - /* release reset & give 586 a prod */ - priv(dev)->resetting = 1; - priv(dev)->initialising = 1; - writeb(CTRL_RST, REG_CONTROL); - writeb(0, REG_CONTROL); - writeb(CTRL_CA, REG_CONTROL); - - /* 586 should now unset iscp.busy */ - timeout = jiffies + HZ/2; - while (ether1_readw(dev, ISCP_ADDR, iscp_t, iscp_busy, DISABLEIRQS) == 1) { - if (time_after(jiffies, timeout)) { - printk (KERN_WARNING "%s: can't initialise 82586: iscp is busy\n", dev->name); - return 1; - } - } - - /* check status of commands that we issued */ - timeout += HZ/10; - while (((status = ether1_readw(dev, CFG_ADDR, cfg_t, cfg_status, DISABLEIRQS)) - & STAT_COMPLETE) == 0) { - if (time_after(jiffies, timeout)) - break; - } - - if ((status & (STAT_COMPLETE | STAT_OK)) != (STAT_COMPLETE | STAT_OK)) { - printk (KERN_WARNING "%s: can't initialise 82586: config status %04X\n", dev->name, status); - printk (KERN_DEBUG "%s: SCB=[STS=%04X CMD=%04X CBL=%04X RFA=%04X]\n", dev->name, - ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_command, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_rfa_offset, NORMALIRQS)); - failures += 1; - } - - timeout += HZ/10; - while (((status = ether1_readw(dev, SA_ADDR, sa_t, sa_status, DISABLEIRQS)) - & STAT_COMPLETE) == 0) { - if (time_after(jiffies, timeout)) - break; - } - - if ((status & (STAT_COMPLETE | STAT_OK)) != (STAT_COMPLETE | STAT_OK)) { - printk (KERN_WARNING "%s: can't initialise 82586: set address status %04X\n", dev->name, status); - printk (KERN_DEBUG "%s: SCB=[STS=%04X CMD=%04X CBL=%04X RFA=%04X]\n", dev->name, - ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_command, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_rfa_offset, NORMALIRQS)); - failures += 1; - } - - timeout += HZ/10; - while (((status = ether1_readw(dev, MC_ADDR, mc_t, mc_status, DISABLEIRQS)) - & STAT_COMPLETE) == 0) { - if (time_after(jiffies, timeout)) - break; - } - - if ((status & (STAT_COMPLETE | STAT_OK)) != (STAT_COMPLETE | STAT_OK)) { - printk (KERN_WARNING "%s: can't initialise 82586: set multicast status %04X\n", dev->name, status); - printk (KERN_DEBUG "%s: SCB=[STS=%04X CMD=%04X CBL=%04X RFA=%04X]\n", dev->name, - ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_command, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_rfa_offset, NORMALIRQS)); - failures += 1; - } - - timeout += HZ; - while (((status = ether1_readw(dev, TDR_ADDR, tdr_t, tdr_status, DISABLEIRQS)) - & STAT_COMPLETE) == 0) { - if (time_after(jiffies, timeout)) - break; - } - - if ((status & (STAT_COMPLETE | STAT_OK)) != (STAT_COMPLETE | STAT_OK)) { - printk (KERN_WARNING "%s: can't tdr (ignored)\n", dev->name); - printk (KERN_DEBUG "%s: SCB=[STS=%04X CMD=%04X CBL=%04X RFA=%04X]\n", dev->name, - ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_command, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS), - ether1_readw(dev, SCB_ADDR, scb_t, scb_rfa_offset, NORMALIRQS)); - } else { - status = ether1_readw(dev, TDR_ADDR, tdr_t, tdr_result, DISABLEIRQS); - if (status & TDR_XCVRPROB) - printk (KERN_WARNING "%s: i/f failed tdr: transceiver problem\n", dev->name); - else if ((status & (TDR_SHORT|TDR_OPEN)) && (status & TDR_TIME)) { -#ifdef FANCY - printk (KERN_WARNING "%s: i/f failed tdr: cable %s %d.%d us away\n", dev->name, - status & TDR_SHORT ? "short" : "open", (status & TDR_TIME) / 10, - (status & TDR_TIME) % 10); -#else - printk (KERN_WARNING "%s: i/f failed tdr: cable %s %d clks away\n", dev->name, - status & TDR_SHORT ? "short" : "open", (status & TDR_TIME)); -#endif - } - } - - if (failures) - ether1_reset (dev); - return failures ? 1 : 0; -} - -/* ------------------------------------------------------------------------- */ - -static int -ether1_txalloc (struct net_device *dev, int size) -{ - int start, tail; - - size = (size + 1) & ~1; - tail = priv(dev)->tx_tail; - - if (priv(dev)->tx_head + size > TX_AREA_END) { - if (tail > priv(dev)->tx_head) - return -1; - start = TX_AREA_START; - if (start + size > tail) - return -1; - priv(dev)->tx_head = start + size; - } else { - if (priv(dev)->tx_head < tail && (priv(dev)->tx_head + size) > tail) - return -1; - start = priv(dev)->tx_head; - priv(dev)->tx_head += size; - } - - return start; -} - -static int -ether1_open (struct net_device *dev) -{ - if (!is_valid_ether_addr(dev->dev_addr)) { - printk(KERN_WARNING "%s: invalid ethernet MAC address\n", - dev->name); - return -EINVAL; - } - - if (request_irq(dev->irq, ether1_interrupt, 0, "ether1", dev)) - return -EAGAIN; - - memset (&priv(dev)->stats, 0, sizeof (struct net_device_stats)); - - if (ether1_init_for_open (dev)) { - free_irq (dev->irq, dev); - return -EAGAIN; - } - - netif_start_queue(dev); - - return 0; -} - -static void -ether1_timeout(struct net_device *dev) -{ - printk(KERN_WARNING "%s: transmit timeout, network cable problem?\n", - dev->name); - printk(KERN_WARNING "%s: resetting device\n", dev->name); - - ether1_reset (dev); - - if (ether1_init_for_open (dev)) - printk (KERN_ERR "%s: unable to restart interface\n", dev->name); - - priv(dev)->stats.tx_errors++; - netif_wake_queue(dev); -} - -static int -ether1_sendpacket (struct sk_buff *skb, struct net_device *dev) -{ - int tmp, tst, nopaddr, txaddr, tbdaddr, dataddr; - unsigned long flags; - tx_t tx; - tbd_t tbd; - nop_t nop; - - if (priv(dev)->restart) { - printk(KERN_WARNING "%s: resetting device\n", dev->name); - - ether1_reset(dev); - - if (ether1_init_for_open(dev)) - printk(KERN_ERR "%s: unable to restart interface\n", dev->name); - else - priv(dev)->restart = 0; - } - - if (skb->len < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) - goto out; - } - - /* - * insert packet followed by a nop - */ - txaddr = ether1_txalloc (dev, TX_SIZE); - tbdaddr = ether1_txalloc (dev, TBD_SIZE); - dataddr = ether1_txalloc (dev, skb->len); - nopaddr = ether1_txalloc (dev, NOP_SIZE); - - tx.tx_status = 0; - tx.tx_command = CMD_TX | CMD_INTR; - tx.tx_link = nopaddr; - tx.tx_tbdoffset = tbdaddr; - tbd.tbd_opts = TBD_EOL | skb->len; - tbd.tbd_link = I82586_NULL; - tbd.tbd_bufl = dataddr; - tbd.tbd_bufh = 0; - nop.nop_status = 0; - nop.nop_command = CMD_NOP; - nop.nop_link = nopaddr; - - local_irq_save(flags); - ether1_writebuffer (dev, &tx, txaddr, TX_SIZE); - ether1_writebuffer (dev, &tbd, tbdaddr, TBD_SIZE); - ether1_writebuffer (dev, skb->data, dataddr, skb->len); - ether1_writebuffer (dev, &nop, nopaddr, NOP_SIZE); - tmp = priv(dev)->tx_link; - priv(dev)->tx_link = nopaddr; - - /* now reset the previous nop pointer */ - ether1_writew(dev, txaddr, tmp, nop_t, nop_link, NORMALIRQS); - - local_irq_restore(flags); - - /* handle transmit */ - dev->trans_start = jiffies; - - /* check to see if we have room for a full sized ether frame */ - tmp = priv(dev)->tx_head; - tst = ether1_txalloc (dev, TX_SIZE + TBD_SIZE + NOP_SIZE + ETH_FRAME_LEN); - priv(dev)->tx_head = tmp; - dev_kfree_skb (skb); - - if (tst == -1) - netif_stop_queue(dev); - - out: - return 0; -} - -static void -ether1_xmit_done (struct net_device *dev) -{ - nop_t nop; - int caddr, tst; - - caddr = priv(dev)->tx_tail; - -again: - ether1_readbuffer (dev, &nop, caddr, NOP_SIZE); - - switch (nop.nop_command & CMD_MASK) { - case CMD_TDR: - /* special case */ - if (ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS) - != (unsigned short)I82586_NULL) { - ether1_writew(dev, SCB_CMDCUCSTART | SCB_CMDRXSTART, SCB_ADDR, scb_t, - scb_command, NORMALIRQS); - writeb(CTRL_CA, REG_CONTROL); - } - priv(dev)->tx_tail = NOP_ADDR; - return; - - case CMD_NOP: - if (nop.nop_link == caddr) { - if (priv(dev)->initialising == 0) - printk (KERN_WARNING "%s: strange command complete with no tx command!\n", dev->name); - else - priv(dev)->initialising = 0; - return; - } - if (caddr == nop.nop_link) - return; - caddr = nop.nop_link; - goto again; - - case CMD_TX: - if (nop.nop_status & STAT_COMPLETE) - break; - printk (KERN_ERR "%s: strange command complete without completed command\n", dev->name); - priv(dev)->restart = 1; - return; - - default: - printk (KERN_WARNING "%s: strange command %d complete! (offset %04X)", dev->name, - nop.nop_command & CMD_MASK, caddr); - priv(dev)->restart = 1; - return; - } - - while (nop.nop_status & STAT_COMPLETE) { - if (nop.nop_status & STAT_OK) { - priv(dev)->stats.tx_packets ++; - priv(dev)->stats.collisions += (nop.nop_status & STAT_COLLISIONS); - } else { - priv(dev)->stats.tx_errors ++; - - if (nop.nop_status & STAT_COLLAFTERTX) - priv(dev)->stats.collisions ++; - if (nop.nop_status & STAT_NOCARRIER) - priv(dev)->stats.tx_carrier_errors ++; - if (nop.nop_status & STAT_TXLOSTCTS) - printk (KERN_WARNING "%s: cts lost\n", dev->name); - if (nop.nop_status & STAT_TXSLOWDMA) - priv(dev)->stats.tx_fifo_errors ++; - if (nop.nop_status & STAT_COLLEXCESSIVE) - priv(dev)->stats.collisions += 16; - } - - if (nop.nop_link == caddr) { - printk (KERN_ERR "%s: tx buffer chaining error: tx command points to itself\n", dev->name); - break; - } - - caddr = nop.nop_link; - ether1_readbuffer (dev, &nop, caddr, NOP_SIZE); - if ((nop.nop_command & CMD_MASK) != CMD_NOP) { - printk (KERN_ERR "%s: tx buffer chaining error: no nop after tx command\n", dev->name); - break; - } - - if (caddr == nop.nop_link) - break; - - caddr = nop.nop_link; - ether1_readbuffer (dev, &nop, caddr, NOP_SIZE); - if ((nop.nop_command & CMD_MASK) != CMD_TX) { - printk (KERN_ERR "%s: tx buffer chaining error: no tx command after nop\n", dev->name); - break; - } - } - priv(dev)->tx_tail = caddr; - - caddr = priv(dev)->tx_head; - tst = ether1_txalloc (dev, TX_SIZE + TBD_SIZE + NOP_SIZE + ETH_FRAME_LEN); - priv(dev)->tx_head = caddr; - if (tst != -1) - netif_wake_queue(dev); -} - -static void -ether1_recv_done (struct net_device *dev) -{ - int status; - int nexttail, rbdaddr; - rbd_t rbd; - - do { - status = ether1_readw(dev, priv(dev)->rx_head, rfd_t, rfd_status, NORMALIRQS); - if ((status & RFD_COMPLETE) == 0) - break; - - rbdaddr = ether1_readw(dev, priv(dev)->rx_head, rfd_t, rfd_rbdoffset, NORMALIRQS); - ether1_readbuffer (dev, &rbd, rbdaddr, RBD_SIZE); - - if ((rbd.rbd_status & (RBD_EOF | RBD_ACNTVALID)) == (RBD_EOF | RBD_ACNTVALID)) { - int length = rbd.rbd_status & RBD_ACNT; - struct sk_buff *skb; - - length = (length + 1) & ~1; - skb = dev_alloc_skb (length + 2); - - if (skb) { - skb_reserve (skb, 2); - - ether1_readbuffer (dev, skb_put (skb, length), rbd.rbd_bufl, length); - - skb->protocol = eth_type_trans (skb, dev); - netif_rx (skb); - priv(dev)->stats.rx_packets ++; - } else - priv(dev)->stats.rx_dropped ++; - } else { - printk(KERN_WARNING "%s: %s\n", dev->name, - (rbd.rbd_status & RBD_EOF) ? "oversized packet" : "acnt not valid"); - priv(dev)->stats.rx_dropped ++; - } - - nexttail = ether1_readw(dev, priv(dev)->rx_tail, rfd_t, rfd_link, NORMALIRQS); - /* nexttail should be rx_head */ - if (nexttail != priv(dev)->rx_head) - printk(KERN_ERR "%s: receiver buffer chaining error (%04X != %04X)\n", - dev->name, nexttail, priv(dev)->rx_head); - ether1_writew(dev, RFD_CMDEL | RFD_CMDSUSPEND, nexttail, rfd_t, rfd_command, NORMALIRQS); - ether1_writew(dev, 0, priv(dev)->rx_tail, rfd_t, rfd_command, NORMALIRQS); - ether1_writew(dev, 0, priv(dev)->rx_tail, rfd_t, rfd_status, NORMALIRQS); - ether1_writew(dev, 0, priv(dev)->rx_tail, rfd_t, rfd_rbdoffset, NORMALIRQS); - - priv(dev)->rx_tail = nexttail; - priv(dev)->rx_head = ether1_readw(dev, priv(dev)->rx_head, rfd_t, rfd_link, NORMALIRQS); - } while (1); -} - -static irqreturn_t -ether1_interrupt (int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *)dev_id; - int status; - - status = ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS); - - if (status) { - ether1_writew(dev, status & (SCB_STRNR | SCB_STCNA | SCB_STFR | SCB_STCX), - SCB_ADDR, scb_t, scb_command, NORMALIRQS); - writeb(CTRL_CA | CTRL_ACK, REG_CONTROL); - if (status & SCB_STCX) { - ether1_xmit_done (dev); - } - if (status & SCB_STCNA) { - if (priv(dev)->resetting == 0) - printk (KERN_WARNING "%s: CU went not ready ???\n", dev->name); - else - priv(dev)->resetting += 1; - if (ether1_readw(dev, SCB_ADDR, scb_t, scb_cbl_offset, NORMALIRQS) - != (unsigned short)I82586_NULL) { - ether1_writew(dev, SCB_CMDCUCSTART, SCB_ADDR, scb_t, scb_command, NORMALIRQS); - writeb(CTRL_CA, REG_CONTROL); - } - if (priv(dev)->resetting == 2) - priv(dev)->resetting = 0; - } - if (status & SCB_STFR) { - ether1_recv_done (dev); - } - if (status & SCB_STRNR) { - if (ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS) & SCB_STRXSUSP) { - printk (KERN_WARNING "%s: RU went not ready: RU suspended\n", dev->name); - ether1_writew(dev, SCB_CMDRXRESUME, SCB_ADDR, scb_t, scb_command, NORMALIRQS); - writeb(CTRL_CA, REG_CONTROL); - priv(dev)->stats.rx_dropped ++; /* we suspended due to lack of buffer space */ - } else - printk(KERN_WARNING "%s: RU went not ready: %04X\n", dev->name, - ether1_readw(dev, SCB_ADDR, scb_t, scb_status, NORMALIRQS)); - printk (KERN_WARNING "RU ptr = %04X\n", ether1_readw(dev, SCB_ADDR, scb_t, scb_rfa_offset, - NORMALIRQS)); - } - } else - writeb(CTRL_ACK, REG_CONTROL); - - return IRQ_HANDLED; -} - -static int -ether1_close (struct net_device *dev) -{ - ether1_reset (dev); - - free_irq(dev->irq, dev); - - return 0; -} - -static struct net_device_stats * -ether1_getstats (struct net_device *dev) -{ - return &priv(dev)->stats; -} - -/* - * Set or clear the multicast filter for this adaptor. - * num_addrs == -1 Promiscuous mode, receive all packets. - * num_addrs == 0 Normal mode, clear multicast list. - * num_addrs > 0 Multicast mode, receive normal and MC packets, and do - * best-effort filtering. - */ -static void -ether1_setmulticastlist (struct net_device *dev) -{ -} - -/* ------------------------------------------------------------------------- */ - -static void __devinit ether1_banner(void) -{ - static unsigned int version_printed = 0; - - if (net_debug && version_printed++ == 0) - printk(KERN_INFO "%s", version); -} - -static int __devinit -ether1_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - struct net_device *dev; - int i, ret = 0; - DECLARE_MAC_BUF(mac); - - ether1_banner(); - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - dev = alloc_etherdev(sizeof(struct ether1_priv)); - if (!dev) { - ret = -ENOMEM; - goto release; - } - - SET_NETDEV_DEV(dev, &ec->dev); - - dev->irq = ec->irq; - priv(dev)->base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); - if (!priv(dev)->base) { - ret = -ENOMEM; - goto free; - } - - if ((priv(dev)->bus_type = ether1_reset(dev)) == 0) { - ret = -ENODEV; - goto free; - } - - for (i = 0; i < 6; i++) - dev->dev_addr[i] = readb(IDPROM_ADDRESS + (i << 2)); - - if (ether1_init_2(dev)) { - ret = -ENODEV; - goto free; - } - - dev->open = ether1_open; - dev->stop = ether1_close; - dev->hard_start_xmit = ether1_sendpacket; - dev->get_stats = ether1_getstats; - dev->set_multicast_list = ether1_setmulticastlist; - dev->tx_timeout = ether1_timeout; - dev->watchdog_timeo = 5 * HZ / 100; - - ret = register_netdev(dev); - if (ret) - goto free; - - printk(KERN_INFO "%s: ether1 in slot %d, %s\n", - dev->name, ec->slot_no, print_mac(mac, dev->dev_addr)); - - ecard_set_drvdata(ec, dev); - return 0; - - free: - free_netdev(dev); - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit ether1_remove(struct expansion_card *ec) -{ - struct net_device *dev = ecard_get_drvdata(ec); - - ecard_set_drvdata(ec, NULL); - - unregister_netdev(dev); - free_netdev(dev); - ecard_release_resources(ec); -} - -static const struct ecard_id ether1_ids[] = { - { MANU_ACORN, PROD_ACORN_ETHER1 }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver ether1_driver = { - .probe = ether1_probe, - .remove = __devexit_p(ether1_remove), - .id_table = ether1_ids, - .drv = { - .name = "ether1", - }, -}; - -static int __init ether1_init(void) -{ - return ecard_register_driver(ðer1_driver); -} - -static void __exit ether1_exit(void) -{ - ecard_remove_driver(ðer1_driver); -} - -module_init(ether1_init); -module_exit(ether1_exit); - -MODULE_LICENSE("GPL"); diff --git a/drivers/net/arm/ether1.h b/drivers/net/arm/ether1.h deleted file mode 100644 index c8a4b2389d8..00000000000 --- a/drivers/net/arm/ether1.h +++ /dev/null @@ -1,281 +0,0 @@ -/* - * linux/drivers/acorn/net/ether1.h - * - * Copyright (C) 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Network driver for Acorn Ether1 cards. - */ - -#ifndef _LINUX_ether1_H -#define _LINUX_ether1_H - -#ifdef __ETHER1_C -/* use 0 for production, 1 for verification, >2 for debug */ -#ifndef NET_DEBUG -#define NET_DEBUG 0 -#endif - -#define priv(dev) ((struct ether1_priv *)netdev_priv(dev)) - -/* Page register */ -#define REG_PAGE (priv(dev)->base + 0x0000) - -/* Control register */ -#define REG_CONTROL (priv(dev)->base + 0x0004) -#define CTRL_RST 0x01 -#define CTRL_LOOPBACK 0x02 -#define CTRL_CA 0x04 -#define CTRL_ACK 0x08 - -#define ETHER1_RAM (priv(dev)->base + 0x2000) - -/* HW address */ -#define IDPROM_ADDRESS (priv(dev)->base + 0x0024) - -struct ether1_priv { - void __iomem *base; - struct net_device_stats stats; - unsigned int tx_link; - unsigned int tx_head; - volatile unsigned int tx_tail; - volatile unsigned int rx_head; - volatile unsigned int rx_tail; - unsigned char bus_type; - unsigned char resetting; - unsigned char initialising : 1; - unsigned char restart : 1; -}; - -#define I82586_NULL (-1) - -typedef struct { /* tdr */ - unsigned short tdr_status; - unsigned short tdr_command; - unsigned short tdr_link; - unsigned short tdr_result; -#define TDR_TIME (0x7ff) -#define TDR_SHORT (1 << 12) -#define TDR_OPEN (1 << 13) -#define TDR_XCVRPROB (1 << 14) -#define TDR_LNKOK (1 << 15) -} tdr_t; - -typedef struct { /* transmit */ - unsigned short tx_status; - unsigned short tx_command; - unsigned short tx_link; - unsigned short tx_tbdoffset; -} tx_t; - -typedef struct { /* tbd */ - unsigned short tbd_opts; -#define TBD_CNT (0x3fff) -#define TBD_EOL (1 << 15) - unsigned short tbd_link; - unsigned short tbd_bufl; - unsigned short tbd_bufh; -} tbd_t; - -typedef struct { /* rfd */ - unsigned short rfd_status; -#define RFD_NOEOF (1 << 6) -#define RFD_FRAMESHORT (1 << 7) -#define RFD_DMAOVRN (1 << 8) -#define RFD_NORESOURCES (1 << 9) -#define RFD_ALIGNERROR (1 << 10) -#define RFD_CRCERROR (1 << 11) -#define RFD_OK (1 << 13) -#define RFD_FDCONSUMED (1 << 14) -#define RFD_COMPLETE (1 << 15) - unsigned short rfd_command; -#define RFD_CMDSUSPEND (1 << 14) -#define RFD_CMDEL (1 << 15) - unsigned short rfd_link; - unsigned short rfd_rbdoffset; - unsigned char rfd_dest[6]; - unsigned char rfd_src[6]; - unsigned short rfd_len; -} rfd_t; - -typedef struct { /* rbd */ - unsigned short rbd_status; -#define RBD_ACNT (0x3fff) -#define RBD_ACNTVALID (1 << 14) -#define RBD_EOF (1 << 15) - unsigned short rbd_link; - unsigned short rbd_bufl; - unsigned short rbd_bufh; - unsigned short rbd_len; -} rbd_t; - -typedef struct { /* nop */ - unsigned short nop_status; - unsigned short nop_command; - unsigned short nop_link; -} nop_t; - -typedef struct { /* set multicast */ - unsigned short mc_status; - unsigned short mc_command; - unsigned short mc_link; - unsigned short mc_cnt; - unsigned char mc_addrs[1][6]; -} mc_t; - -typedef struct { /* set address */ - unsigned short sa_status; - unsigned short sa_command; - unsigned short sa_link; - unsigned char sa_addr[6]; -} sa_t; - -typedef struct { /* config command */ - unsigned short cfg_status; - unsigned short cfg_command; - unsigned short cfg_link; - unsigned char cfg_bytecnt; /* size foll data: 4 - 12 */ - unsigned char cfg_fifolim; /* FIFO threshold */ - unsigned char cfg_byte8; -#define CFG8_SRDY (1 << 6) -#define CFG8_SAVEBADF (1 << 7) - unsigned char cfg_byte9; -#define CFG9_ADDRLEN(x) (x) -#define CFG9_ADDRLENBUF (1 << 3) -#define CFG9_PREAMB2 (0 << 4) -#define CFG9_PREAMB4 (1 << 4) -#define CFG9_PREAMB8 (2 << 4) -#define CFG9_PREAMB16 (3 << 4) -#define CFG9_ILOOPBACK (1 << 6) -#define CFG9_ELOOPBACK (1 << 7) - unsigned char cfg_byte10; -#define CFG10_LINPRI(x) (x) -#define CFG10_ACR(x) (x << 4) -#define CFG10_BOFMET (1 << 7) - unsigned char cfg_ifs; - unsigned char cfg_slotl; - unsigned char cfg_byte13; -#define CFG13_SLOTH(x) (x) -#define CFG13_RETRY(x) (x << 4) - unsigned char cfg_byte14; -#define CFG14_PROMISC (1 << 0) -#define CFG14_DISBRD (1 << 1) -#define CFG14_MANCH (1 << 2) -#define CFG14_TNCRS (1 << 3) -#define CFG14_NOCRC (1 << 4) -#define CFG14_CRC16 (1 << 5) -#define CFG14_BTSTF (1 << 6) -#define CFG14_FLGPAD (1 << 7) - unsigned char cfg_byte15; -#define CFG15_CSTF(x) (x) -#define CFG15_ICSS (1 << 3) -#define CFG15_CDTF(x) (x << 4) -#define CFG15_ICDS (1 << 7) - unsigned short cfg_minfrmlen; -} cfg_t; - -typedef struct { /* scb */ - unsigned short scb_status; /* status of 82586 */ -#define SCB_STRXMASK (7 << 4) /* Receive unit status */ -#define SCB_STRXIDLE (0 << 4) /* Idle */ -#define SCB_STRXSUSP (1 << 4) /* Suspended */ -#define SCB_STRXNRES (2 << 4) /* No resources */ -#define SCB_STRXRDY (4 << 4) /* Ready */ -#define SCB_STCUMASK (7 << 8) /* Command unit status */ -#define SCB_STCUIDLE (0 << 8) /* Idle */ -#define SCB_STCUSUSP (1 << 8) /* Suspended */ -#define SCB_STCUACTV (2 << 8) /* Active */ -#define SCB_STRNR (1 << 12) /* Receive unit not ready */ -#define SCB_STCNA (1 << 13) /* Command unit not ready */ -#define SCB_STFR (1 << 14) /* Frame received */ -#define SCB_STCX (1 << 15) /* Command completed */ - unsigned short scb_command; /* Next command */ -#define SCB_CMDRXSTART (1 << 4) /* Start (at rfa_offset) */ -#define SCB_CMDRXRESUME (2 << 4) /* Resume reception */ -#define SCB_CMDRXSUSPEND (3 << 4) /* Suspend reception */ -#define SCB_CMDRXABORT (4 << 4) /* Abort reception */ -#define SCB_CMDCUCSTART (1 << 8) /* Start (at cbl_offset) */ -#define SCB_CMDCUCRESUME (2 << 8) /* Resume execution */ -#define SCB_CMDCUCSUSPEND (3 << 8) /* Suspend execution */ -#define SCB_CMDCUCABORT (4 << 8) /* Abort execution */ -#define SCB_CMDACKRNR (1 << 12) /* Ack RU not ready */ -#define SCB_CMDACKCNA (1 << 13) /* Ack CU not ready */ -#define SCB_CMDACKFR (1 << 14) /* Ack Frame received */ -#define SCB_CMDACKCX (1 << 15) /* Ack Command complete */ - unsigned short scb_cbl_offset; /* Offset of first command unit */ - unsigned short scb_rfa_offset; /* Offset of first receive frame area */ - unsigned short scb_crc_errors; /* Properly aligned frame with CRC error*/ - unsigned short scb_aln_errors; /* Misaligned frames */ - unsigned short scb_rsc_errors; /* Frames lost due to no space */ - unsigned short scb_ovn_errors; /* Frames lost due to slow bus */ -} scb_t; - -typedef struct { /* iscp */ - unsigned short iscp_busy; /* set by CPU before CA */ - unsigned short iscp_offset; /* offset of SCB */ - unsigned short iscp_basel; /* base of SCB */ - unsigned short iscp_baseh; -} iscp_t; - - /* this address must be 0xfff6 */ -typedef struct { /* scp */ - unsigned short scp_sysbus; /* bus size */ -#define SCP_SY_16BBUS 0x00 -#define SCP_SY_8BBUS 0x01 - unsigned short scp_junk[2]; /* junk */ - unsigned short scp_iscpl; /* lower 16 bits of iscp */ - unsigned short scp_iscph; /* upper 16 bits of iscp */ -} scp_t; - -/* commands */ -#define CMD_NOP 0 -#define CMD_SETADDRESS 1 -#define CMD_CONFIG 2 -#define CMD_SETMULTICAST 3 -#define CMD_TX 4 -#define CMD_TDR 5 -#define CMD_DUMP 6 -#define CMD_DIAGNOSE 7 - -#define CMD_MASK 7 - -#define CMD_INTR (1 << 13) -#define CMD_SUSP (1 << 14) -#define CMD_EOL (1 << 15) - -#define STAT_COLLISIONS (15) -#define STAT_COLLEXCESSIVE (1 << 5) -#define STAT_COLLAFTERTX (1 << 6) -#define STAT_TXDEFERRED (1 << 7) -#define STAT_TXSLOWDMA (1 << 8) -#define STAT_TXLOSTCTS (1 << 9) -#define STAT_NOCARRIER (1 << 10) -#define STAT_FAIL (1 << 11) -#define STAT_ABORTED (1 << 12) -#define STAT_OK (1 << 13) -#define STAT_BUSY (1 << 14) -#define STAT_COMPLETE (1 << 15) -#endif -#endif - -/* - * Ether1 card definitions: - * - * FAST accesses: - * +0 Page register - * 16 pages - * +4 Control - * '1' = reset - * '2' = loopback - * '4' = CA - * '8' = int ack - * - * RAM at address + 0x2000 - * Pod. Prod id = 3 - * Words after ID block [base + 8 words] - * +0 pcb issue (0x0c and 0xf3 invalid) - * +1 - +6 eth hw address - */ diff --git a/drivers/net/arm/ether3.c b/drivers/net/arm/ether3.c deleted file mode 100644 index 67e96ae8503..00000000000 --- a/drivers/net/arm/ether3.c +++ /dev/null @@ -1,926 +0,0 @@ -/* - * linux/drivers/acorn/net/ether3.c - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * SEEQ nq8005 ethernet driver for Acorn/ANT Ether3 card - * for Acorn machines - * - * By Russell King, with some suggestions from borris@ant.co.uk - * - * Changelog: - * 1.04 RMK 29/02/1996 Won't pass packets that are from our ethernet - * address up to the higher levels - they're - * silently ignored. I/F can now be put into - * multicast mode. Receiver routine optimised. - * 1.05 RMK 30/02/1996 Now claims interrupt at open when part of - * the kernel rather than when a module. - * 1.06 RMK 02/03/1996 Various code cleanups - * 1.07 RMK 13/10/1996 Optimised interrupt routine and transmit - * routines. - * 1.08 RMK 14/10/1996 Fixed problem with too many packets, - * prevented the kernel message about dropped - * packets appearing too many times a second. - * Now does not disable all IRQs, only the IRQ - * used by this card. - * 1.09 RMK 10/11/1996 Only enables TX irq when buffer space is low, - * but we still service the TX queue if we get a - * RX interrupt. - * 1.10 RMK 15/07/1997 Fixed autoprobing of NQ8004. - * 1.11 RMK 16/11/1997 Fixed autoprobing of NQ8005A. - * 1.12 RMK 31/12/1997 Removed reference to dev_tint for Linux 2.1. - * RMK 27/06/1998 Changed asm/delay.h to linux/delay.h. - * 1.13 RMK 29/06/1998 Fixed problem with transmission of packets. - * Chip seems to have a bug in, whereby if the - * packet starts two bytes from the end of the - * buffer, it corrupts the receiver chain, and - * never updates the transmit status correctly. - * 1.14 RMK 07/01/1998 Added initial code for ETHERB addressing. - * 1.15 RMK 30/04/1999 More fixes to the transmit routine for buggy - * hardware. - * 1.16 RMK 10/02/2000 Updated for 2.3.43 - * 1.17 RMK 13/05/2000 Updated for 2.3.99-pre8 - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/bitops.h> - -#include <asm/system.h> -#include <asm/ecard.h> -#include <asm/io.h> - -static char version[] __devinitdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n"; - -#include "ether3.h" - -static unsigned int net_debug = NET_DEBUG; - -static void ether3_setmulticastlist(struct net_device *dev); -static int ether3_rx(struct net_device *dev, unsigned int maxcnt); -static void ether3_tx(struct net_device *dev); -static int ether3_open (struct net_device *dev); -static int ether3_sendpacket (struct sk_buff *skb, struct net_device *dev); -static irqreturn_t ether3_interrupt (int irq, void *dev_id); -static int ether3_close (struct net_device *dev); -static struct net_device_stats *ether3_getstats (struct net_device *dev); -static void ether3_setmulticastlist (struct net_device *dev); -static void ether3_timeout(struct net_device *dev); - -#define BUS_16 2 -#define BUS_8 1 -#define BUS_UNKNOWN 0 - -/* --------------------------------------------------------------------------- */ - -typedef enum { - buffer_write, - buffer_read -} buffer_rw_t; - -/* - * ether3 read/write. Slow things down a bit... - * The SEEQ8005 doesn't like us writing to its registers - * too quickly. - */ -static inline void ether3_outb(int v, const void __iomem *r) -{ - writeb(v, r); - udelay(1); -} - -static inline void ether3_outw(int v, const void __iomem *r) -{ - writew(v, r); - udelay(1); -} -#define ether3_inb(r) ({ unsigned int __v = readb((r)); udelay(1); __v; }) -#define ether3_inw(r) ({ unsigned int __v = readw((r)); udelay(1); __v; }) - -static int -ether3_setbuffer(struct net_device *dev, buffer_rw_t read, int start) -{ - int timeout = 1000; - - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND); - - while ((ether3_inw(REG_STATUS) & STAT_FIFOEMPTY) == 0) { - if (!timeout--) { - printk("%s: setbuffer broken\n", dev->name); - priv(dev)->broken = 1; - return 1; - } - udelay(1); - } - - if (read == buffer_read) { - ether3_outw(start, REG_DMAADDR); - ether3_outw(priv(dev)->regs.command | CMD_FIFOREAD, REG_COMMAND); - } else { - ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND); - ether3_outw(start, REG_DMAADDR); - } - return 0; -} - -/* - * write data to the buffer memory - */ -#define ether3_writebuffer(dev,data,length) \ - writesw(REG_BUFWIN, (data), (length) >> 1) - -#define ether3_writeword(dev,data) \ - writew((data), REG_BUFWIN) - -#define ether3_writelong(dev,data) { \ - void __iomem *reg_bufwin = REG_BUFWIN; \ - writew((data), reg_bufwin); \ - writew((data) >> 16, reg_bufwin); \ -} - -/* - * read data from the buffer memory - */ -#define ether3_readbuffer(dev,data,length) \ - readsw(REG_BUFWIN, (data), (length) >> 1) - -#define ether3_readword(dev) \ - readw(REG_BUFWIN) - -#define ether3_readlong(dev) \ - readw(REG_BUFWIN) | (readw(REG_BUFWIN) << 16) - -/* - * Switch LED off... - */ -static void ether3_ledoff(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); -} - -/* - * switch LED on... - */ -static inline void ether3_ledon(struct net_device *dev) -{ - del_timer(&priv(dev)->timer); - priv(dev)->timer.expires = jiffies + HZ / 50; /* leave on for 1/50th second */ - priv(dev)->timer.data = (unsigned long)dev; - priv(dev)->timer.function = ether3_ledoff; - add_timer(&priv(dev)->timer); - if (priv(dev)->regs.config2 & CFG2_CTRLO) - ether3_outw(priv(dev)->regs.config2 &= ~CFG2_CTRLO, REG_CONFIG2); -} - -/* - * Read the ethernet address string from the on board rom. - * This is an ascii string!!! - */ -static int __devinit -ether3_addr(char *addr, struct expansion_card *ec) -{ - struct in_chunk_dir cd; - char *s; - - if (ecard_readchunk(&cd, ec, 0xf5, 0) && (s = strchr(cd.d.string, '('))) { - int i; - for (i = 0; i<6; i++) { - addr[i] = simple_strtoul(s + 1, &s, 0x10); - if (*s != (i==5?')' : ':' )) - break; - } - if (i == 6) - return 0; - } - /* I wonder if we should even let the user continue in this case - * - no, it would be better to disable the device - */ - printk(KERN_ERR "ether3: Couldn't read a valid MAC address from card.\n"); - return -ENODEV; -} - -/* --------------------------------------------------------------------------- */ - -static int __devinit -ether3_ramtest(struct net_device *dev, unsigned char byte) -{ - unsigned char *buffer = kmalloc(RX_END, GFP_KERNEL); - int i,ret = 0; - int max_errors = 4; - int bad = -1; - - if (!buffer) - return 1; - - memset(buffer, byte, RX_END); - ether3_setbuffer(dev, buffer_write, 0); - ether3_writebuffer(dev, buffer, TX_END); - ether3_setbuffer(dev, buffer_write, RX_START); - ether3_writebuffer(dev, buffer + RX_START, RX_LEN); - memset(buffer, byte ^ 0xff, RX_END); - ether3_setbuffer(dev, buffer_read, 0); - ether3_readbuffer(dev, buffer, TX_END); - ether3_setbuffer(dev, buffer_read, RX_START); - ether3_readbuffer(dev, buffer + RX_START, RX_LEN); - - for (i = 0; i < RX_END; i++) { - if (buffer[i] != byte) { - if (max_errors > 0 && bad != buffer[i]) { - printk("%s: RAM failed with (%02X instead of %02X) at 0x%04X", - dev->name, buffer[i], byte, i); - ret = 2; - max_errors--; - bad = i; - } - } else { - if (bad != -1) { - if (bad != i - 1) - printk(" - 0x%04X\n", i - 1); - printk("\n"); - bad = -1; - } - } - } - if (bad != -1) - printk(" - 0xffff\n"); - kfree(buffer); - - return ret; -} - -/* ------------------------------------------------------------------------------- */ - -static int __devinit ether3_init_2(struct net_device *dev) -{ - int i; - - priv(dev)->regs.config1 = CFG1_RECVCOMPSTAT0|CFG1_DMABURST8; - priv(dev)->regs.config2 = CFG2_CTRLO|CFG2_RECVCRC|CFG2_ERRENCRC; - priv(dev)->regs.command = 0; - - /* - * Set up our hardware address - */ - ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1); - for (i = 0; i < 6; i++) - ether3_outb(dev->dev_addr[i], REG_BUFWIN); - - if (dev->flags & IFF_PROMISC) - priv(dev)->regs.config1 |= CFG1_RECVPROMISC; - else if (dev->flags & IFF_MULTICAST) - priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI; - else - priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD; - - /* - * There is a problem with the NQ8005 in that it occasionally loses the - * last two bytes. To get round this problem, we receive the CRC as - * well. That way, if we do lose the last two, then it doesn't matter. - */ - ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1); - ether3_outw((TX_END>>8) - 1, REG_BUFWIN); - ether3_outw(priv(dev)->rx_head, REG_RECVPTR); - ether3_outw(0, REG_TRANSMITPTR); - ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND); - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - ether3_outw(priv(dev)->regs.command, REG_COMMAND); - - i = ether3_ramtest(dev, 0x5A); - if(i) - return i; - i = ether3_ramtest(dev, 0x1E); - if(i) - return i; - - ether3_setbuffer(dev, buffer_write, 0); - ether3_writelong(dev, 0); - return 0; -} - -static void -ether3_init_for_open(struct net_device *dev) -{ - int i; - - memset(&priv(dev)->stats, 0, sizeof(struct net_device_stats)); - - /* Reset the chip */ - ether3_outw(CFG2_RESET, REG_CONFIG2); - udelay(4); - - priv(dev)->regs.command = 0; - ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND); - while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON)) - barrier(); - - ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1); - for (i = 0; i < 6; i++) - ether3_outb(dev->dev_addr[i], REG_BUFWIN); - - priv(dev)->tx_head = 0; - priv(dev)->tx_tail = 0; - priv(dev)->regs.config2 |= CFG2_CTRLO; - priv(dev)->rx_head = RX_START; - - ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1); - ether3_outw((TX_END>>8) - 1, REG_BUFWIN); - ether3_outw(priv(dev)->rx_head, REG_RECVPTR); - ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND); - ether3_outw(0, REG_TRANSMITPTR); - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - - ether3_setbuffer(dev, buffer_write, 0); - ether3_writelong(dev, 0); - - priv(dev)->regs.command = CMD_ENINTRX | CMD_ENINTTX; - ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND); -} - -static inline int -ether3_probe_bus_8(struct net_device *dev, int val) -{ - int write_low, write_high, read_low, read_high; - - write_low = val & 255; - write_high = val >> 8; - - printk(KERN_DEBUG "ether3_probe: write8 [%02X:%02X]", write_high, write_low); - - ether3_outb(write_low, REG_RECVPTR); - ether3_outb(write_high, REG_RECVPTR + 4); - - read_low = ether3_inb(REG_RECVPTR); - read_high = ether3_inb(REG_RECVPTR + 4); - - printk(", read8 [%02X:%02X]\n", read_high, read_low); - - return read_low == write_low && read_high == write_high; -} - -static inline int -ether3_probe_bus_16(struct net_device *dev, int val) -{ - int read_val; - - ether3_outw(val, REG_RECVPTR); - read_val = ether3_inw(REG_RECVPTR); - - printk(KERN_DEBUG "ether3_probe: write16 [%04X], read16 [%04X]\n", val, read_val); - - return read_val == val; -} - -/* - * Open/initialize the board. This is called (in the current kernel) - * sometime after booting when the 'ifconfig' program is run. - * - * This routine should set everything up anew at each open, even - * registers that "should" only need to be set once at boot, so that - * there is non-reboot way to recover if something goes wrong. - */ -static int -ether3_open(struct net_device *dev) -{ - if (!is_valid_ether_addr(dev->dev_addr)) { - printk(KERN_WARNING "%s: invalid ethernet MAC address\n", - dev->name); - return -EINVAL; - } - - if (request_irq(dev->irq, ether3_interrupt, 0, "ether3", dev)) - return -EAGAIN; - - ether3_init_for_open(dev); - - netif_start_queue(dev); - - return 0; -} - -/* - * The inverse routine to ether3_open(). - */ -static int -ether3_close(struct net_device *dev) -{ - netif_stop_queue(dev); - - disable_irq(dev->irq); - - ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND); - priv(dev)->regs.command = 0; - while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON)) - barrier(); - ether3_outb(0x80, REG_CONFIG2 + 4); - ether3_outw(0, REG_COMMAND); - - free_irq(dev->irq, dev); - - return 0; -} - -/* - * Get the current statistics. This may be called with the card open or - * closed. - */ -static struct net_device_stats *ether3_getstats(struct net_device *dev) -{ - return &priv(dev)->stats; -} - -/* - * Set or clear promiscuous/multicast mode filter for this adaptor. - * - * We don't attempt any packet filtering. The card may have a SEEQ 8004 - * in which does not have the other ethernet address registers present... - */ -static void ether3_setmulticastlist(struct net_device *dev) -{ - priv(dev)->regs.config1 &= ~CFG1_RECVPROMISC; - - if (dev->flags & IFF_PROMISC) { - /* promiscuous mode */ - priv(dev)->regs.config1 |= CFG1_RECVPROMISC; - } else if (dev->flags & IFF_ALLMULTI || dev->mc_count) { - priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI; - } else - priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD; - - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); -} - -static void ether3_timeout(struct net_device *dev) -{ - unsigned long flags; - - del_timer(&priv(dev)->timer); - - local_irq_save(flags); - printk(KERN_ERR "%s: transmit timed out, network cable problem?\n", dev->name); - printk(KERN_ERR "%s: state: { status=%04X cfg1=%04X cfg2=%04X }\n", dev->name, - ether3_inw(REG_STATUS), ether3_inw(REG_CONFIG1), ether3_inw(REG_CONFIG2)); - printk(KERN_ERR "%s: { rpr=%04X rea=%04X tpr=%04X }\n", dev->name, - ether3_inw(REG_RECVPTR), ether3_inw(REG_RECVEND), ether3_inw(REG_TRANSMITPTR)); - printk(KERN_ERR "%s: tx head=%X tx tail=%X\n", dev->name, - priv(dev)->tx_head, priv(dev)->tx_tail); - ether3_setbuffer(dev, buffer_read, priv(dev)->tx_tail); - printk(KERN_ERR "%s: packet status = %08X\n", dev->name, ether3_readlong(dev)); - local_irq_restore(flags); - - priv(dev)->regs.config2 |= CFG2_CTRLO; - priv(dev)->stats.tx_errors += 1; - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - priv(dev)->tx_head = priv(dev)->tx_tail = 0; - - netif_wake_queue(dev); -} - -/* - * Transmit a packet - */ -static int -ether3_sendpacket(struct sk_buff *skb, struct net_device *dev) -{ - unsigned long flags; - unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - unsigned int ptr, next_ptr; - - if (priv(dev)->broken) { - dev_kfree_skb(skb); - priv(dev)->stats.tx_dropped ++; - netif_start_queue(dev); - return 0; - } - - length = (length + 1) & ~1; - if (length != skb->len) { - if (skb_padto(skb, length)) - goto out; - } - - next_ptr = (priv(dev)->tx_head + 1) & 15; - - local_irq_save(flags); - - if (priv(dev)->tx_tail == next_ptr) { - local_irq_restore(flags); - return 1; /* unable to queue */ - } - - dev->trans_start = jiffies; - ptr = 0x600 * priv(dev)->tx_head; - priv(dev)->tx_head = next_ptr; - next_ptr *= 0x600; - -#define TXHDR_FLAGS (TXHDR_TRANSMIT|TXHDR_CHAINCONTINUE|TXHDR_DATAFOLLOWS|TXHDR_ENSUCCESS) - - ether3_setbuffer(dev, buffer_write, next_ptr); - ether3_writelong(dev, 0); - ether3_setbuffer(dev, buffer_write, ptr); - ether3_writelong(dev, 0); - ether3_writebuffer(dev, skb->data, length); - ether3_writeword(dev, htons(next_ptr)); - ether3_writeword(dev, TXHDR_CHAINCONTINUE >> 16); - ether3_setbuffer(dev, buffer_write, ptr); - ether3_writeword(dev, htons((ptr + length + 4))); - ether3_writeword(dev, TXHDR_FLAGS >> 16); - ether3_ledon(dev); - - if (!(ether3_inw(REG_STATUS) & STAT_TXON)) { - ether3_outw(ptr, REG_TRANSMITPTR); - ether3_outw(priv(dev)->regs.command | CMD_TXON, REG_COMMAND); - } - - next_ptr = (priv(dev)->tx_head + 1) & 15; - local_irq_restore(flags); - - dev_kfree_skb(skb); - - if (priv(dev)->tx_tail == next_ptr) - netif_stop_queue(dev); - - out: - return 0; -} - -static irqreturn_t -ether3_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *)dev_id; - unsigned int status, handled = IRQ_NONE; - -#if NET_DEBUG > 1 - if(net_debug & DEBUG_INT) - printk("eth3irq: %d ", irq); -#endif - - status = ether3_inw(REG_STATUS); - - if (status & STAT_INTRX) { - ether3_outw(CMD_ACKINTRX | priv(dev)->regs.command, REG_COMMAND); - ether3_rx(dev, 12); - handled = IRQ_HANDLED; - } - - if (status & STAT_INTTX) { - ether3_outw(CMD_ACKINTTX | priv(dev)->regs.command, REG_COMMAND); - ether3_tx(dev); - handled = IRQ_HANDLED; - } - -#if NET_DEBUG > 1 - if(net_debug & DEBUG_INT) - printk("done\n"); -#endif - return handled; -} - -/* - * If we have a good packet(s), get it/them out of the buffers. - */ -static int ether3_rx(struct net_device *dev, unsigned int maxcnt) -{ - unsigned int next_ptr = priv(dev)->rx_head, received = 0; - - ether3_ledon(dev); - - do { - unsigned int this_ptr, status; - unsigned char addrs[16]; - - /* - * read the first 16 bytes from the buffer. - * This contains the status bytes etc and ethernet addresses, - * and we also check the source ethernet address to see if - * it originated from us. - */ - { - unsigned int temp_ptr; - ether3_setbuffer(dev, buffer_read, next_ptr); - temp_ptr = ether3_readword(dev); - status = ether3_readword(dev); - if ((status & (RXSTAT_DONE | RXHDR_CHAINCONTINUE | RXHDR_RECEIVE)) != - (RXSTAT_DONE | RXHDR_CHAINCONTINUE) || !temp_ptr) - break; - - this_ptr = next_ptr + 4; - next_ptr = ntohs(temp_ptr); - } - ether3_setbuffer(dev, buffer_read, this_ptr); - ether3_readbuffer(dev, addrs+2, 12); - -if (next_ptr < RX_START || next_ptr >= RX_END) { - int i; - printk("%s: bad next pointer @%04X: ", dev->name, priv(dev)->rx_head); - printk("%02X %02X %02X %02X ", next_ptr >> 8, next_ptr & 255, status & 255, status >> 8); - for (i = 2; i < 14; i++) - printk("%02X ", addrs[i]); - printk("\n"); - next_ptr = priv(dev)->rx_head; - break; -} - /* - * ignore our own packets... - */ - if (!(*(unsigned long *)&dev->dev_addr[0] ^ *(unsigned long *)&addrs[2+6]) && - !(*(unsigned short *)&dev->dev_addr[4] ^ *(unsigned short *)&addrs[2+10])) { - maxcnt ++; /* compensate for loopedback packet */ - ether3_outw(next_ptr >> 8, REG_RECVEND); - } else - if (!(status & (RXSTAT_OVERSIZE|RXSTAT_CRCERROR|RXSTAT_DRIBBLEERROR|RXSTAT_SHORTPACKET))) { - unsigned int length = next_ptr - this_ptr; - struct sk_buff *skb; - - if (next_ptr <= this_ptr) - length += RX_END - RX_START; - - skb = dev_alloc_skb(length + 2); - if (skb) { - unsigned char *buf; - - skb_reserve(skb, 2); - buf = skb_put(skb, length); - ether3_readbuffer(dev, buf + 12, length - 12); - ether3_outw(next_ptr >> 8, REG_RECVEND); - *(unsigned short *)(buf + 0) = *(unsigned short *)(addrs + 2); - *(unsigned long *)(buf + 2) = *(unsigned long *)(addrs + 4); - *(unsigned long *)(buf + 6) = *(unsigned long *)(addrs + 8); - *(unsigned short *)(buf + 10) = *(unsigned short *)(addrs + 12); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - received ++; - } else - goto dropping; - } else { - struct net_device_stats *stats = &priv(dev)->stats; - ether3_outw(next_ptr >> 8, REG_RECVEND); - if (status & RXSTAT_OVERSIZE) stats->rx_over_errors ++; - if (status & RXSTAT_CRCERROR) stats->rx_crc_errors ++; - if (status & RXSTAT_DRIBBLEERROR) stats->rx_fifo_errors ++; - if (status & RXSTAT_SHORTPACKET) stats->rx_length_errors ++; - stats->rx_errors++; - } - } - while (-- maxcnt); - -done: - priv(dev)->stats.rx_packets += received; - priv(dev)->rx_head = next_ptr; - /* - * If rx went off line, then that means that the buffer may be full. We - * have dropped at least one packet. - */ - if (!(ether3_inw(REG_STATUS) & STAT_RXON)) { - priv(dev)->stats.rx_dropped ++; - ether3_outw(next_ptr, REG_RECVPTR); - ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND); - } - - return maxcnt; - -dropping:{ - static unsigned long last_warned; - - ether3_outw(next_ptr >> 8, REG_RECVEND); - /* - * Don't print this message too many times... - */ - if (time_after(jiffies, last_warned + 10 * HZ)) { - last_warned = jiffies; - printk("%s: memory squeeze, dropping packet.\n", dev->name); - } - priv(dev)->stats.rx_dropped ++; - goto done; - } -} - -/* - * Update stats for the transmitted packet(s) - */ -static void ether3_tx(struct net_device *dev) -{ - unsigned int tx_tail = priv(dev)->tx_tail; - int max_work = 14; - - do { - unsigned long status; - - /* - * Read the packet header - */ - ether3_setbuffer(dev, buffer_read, tx_tail * 0x600); - status = ether3_readlong(dev); - - /* - * Check to see if this packet has been transmitted - */ - if ((status & (TXSTAT_DONE | TXHDR_TRANSMIT)) != - (TXSTAT_DONE | TXHDR_TRANSMIT)) - break; - - /* - * Update errors - */ - if (!(status & (TXSTAT_BABBLED | TXSTAT_16COLLISIONS))) - priv(dev)->stats.tx_packets++; - else { - priv(dev)->stats.tx_errors ++; - if (status & TXSTAT_16COLLISIONS) - priv(dev)->stats.collisions += 16; - if (status & TXSTAT_BABBLED) - priv(dev)->stats.tx_fifo_errors ++; - } - - tx_tail = (tx_tail + 1) & 15; - } while (--max_work); - - if (priv(dev)->tx_tail != tx_tail) { - priv(dev)->tx_tail = tx_tail; - netif_wake_queue(dev); - } -} - -static void __devinit ether3_banner(void) -{ - static unsigned version_printed = 0; - - if (net_debug && version_printed++ == 0) - printk(KERN_INFO "%s", version); -} - -static int __devinit -ether3_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - const struct ether3_data *data = id->data; - struct net_device *dev; - int bus_type, ret; - DECLARE_MAC_BUF(mac); - - ether3_banner(); - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - dev = alloc_etherdev(sizeof(struct dev_priv)); - if (!dev) { - ret = -ENOMEM; - goto release; - } - - SET_NETDEV_DEV(dev, &ec->dev); - - priv(dev)->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); - if (!priv(dev)->base) { - ret = -ENOMEM; - goto free; - } - - ec->irqaddr = priv(dev)->base + data->base_offset; - ec->irqmask = 0xf0; - - priv(dev)->seeq = priv(dev)->base + data->base_offset; - dev->irq = ec->irq; - - ether3_addr(dev->dev_addr, ec); - - init_timer(&priv(dev)->timer); - - /* Reset card... - */ - ether3_outb(0x80, REG_CONFIG2 + 4); - bus_type = BUS_UNKNOWN; - udelay(4); - - /* Test using Receive Pointer (16-bit register) to find out - * how the ether3 is connected to the bus... - */ - if (ether3_probe_bus_8(dev, 0x100) && - ether3_probe_bus_8(dev, 0x201)) - bus_type = BUS_8; - - if (bus_type == BUS_UNKNOWN && - ether3_probe_bus_16(dev, 0x101) && - ether3_probe_bus_16(dev, 0x201)) - bus_type = BUS_16; - - switch (bus_type) { - case BUS_UNKNOWN: - printk(KERN_ERR "%s: unable to identify bus width\n", dev->name); - ret = -ENODEV; - goto free; - - case BUS_8: - printk(KERN_ERR "%s: %s found, but is an unsupported " - "8-bit card\n", dev->name, data->name); - ret = -ENODEV; - goto free; - - default: - break; - } - - if (ether3_init_2(dev)) { - ret = -ENODEV; - goto free; - } - - dev->open = ether3_open; - dev->stop = ether3_close; - dev->hard_start_xmit = ether3_sendpacket; - dev->get_stats = ether3_getstats; - dev->set_multicast_list = ether3_setmulticastlist; - dev->tx_timeout = ether3_timeout; - dev->watchdog_timeo = 5 * HZ / 100; - - ret = register_netdev(dev); - if (ret) - goto free; - - printk("%s: %s in slot %d, %s\n", - dev->name, data->name, ec->slot_no, print_mac(mac, dev->dev_addr)); - - ecard_set_drvdata(ec, dev); - return 0; - - free: - free_netdev(dev); - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit ether3_remove(struct expansion_card *ec) -{ - struct net_device *dev = ecard_get_drvdata(ec); - - ecard_set_drvdata(ec, NULL); - - unregister_netdev(dev); - free_netdev(dev); - ecard_release_resources(ec); -} - -static struct ether3_data ether3 = { - .name = "ether3", - .base_offset = 0, -}; - -static struct ether3_data etherb = { - .name = "etherb", - .base_offset = 0x800, -}; - -static const struct ecard_id ether3_ids[] = { - { MANU_ANT2, PROD_ANT_ETHER3, ðer3 }, - { MANU_ANT, PROD_ANT_ETHER3, ðer3 }, - { MANU_ANT, PROD_ANT_ETHERB, ðerb }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver ether3_driver = { - .probe = ether3_probe, - .remove = __devexit_p(ether3_remove), - .id_table = ether3_ids, - .drv = { - .name = "ether3", - }, -}; - -static int __init ether3_init(void) -{ - return ecard_register_driver(ðer3_driver); -} - -static void __exit ether3_exit(void) -{ - ecard_remove_driver(ðer3_driver); -} - -module_init(ether3_init); -module_exit(ether3_exit); - -MODULE_LICENSE("GPL"); diff --git a/drivers/net/arm/ether3.h b/drivers/net/arm/ether3.h deleted file mode 100644 index 1921a3a07da..00000000000 --- a/drivers/net/arm/ether3.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * linux/drivers/acorn/net/ether3.h - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * network driver for Acorn/ANT Ether3 cards - */ - -#ifndef _LINUX_ether3_H -#define _LINUX_ether3_H - -/* use 0 for production, 1 for verification, >2 for debug. debug flags: */ -#define DEBUG_TX 2 -#define DEBUG_RX 4 -#define DEBUG_INT 8 -#define DEBUG_IC 16 -#ifndef NET_DEBUG -#define NET_DEBUG 0 -#endif - -#define priv(dev) ((struct dev_priv *)netdev_priv(dev)) - -/* Command register definitions & bits */ -#define REG_COMMAND (priv(dev)->seeq + 0x0000) -#define CMD_ENINTDMA 0x0001 -#define CMD_ENINTRX 0x0002 -#define CMD_ENINTTX 0x0004 -#define CMD_ENINTBUFWIN 0x0008 -#define CMD_ACKINTDMA 0x0010 -#define CMD_ACKINTRX 0x0020 -#define CMD_ACKINTTX 0x0040 -#define CMD_ACKINTBUFWIN 0x0080 -#define CMD_DMAON 0x0100 -#define CMD_RXON 0x0200 -#define CMD_TXON 0x0400 -#define CMD_DMAOFF 0x0800 -#define CMD_RXOFF 0x1000 -#define CMD_TXOFF 0x2000 -#define CMD_FIFOREAD 0x4000 -#define CMD_FIFOWRITE 0x8000 - -/* status register */ -#define REG_STATUS (priv(dev)->seeq + 0x0000) -#define STAT_ENINTSTAT 0x0001 -#define STAT_ENINTRX 0x0002 -#define STAT_ENINTTX 0x0004 -#define STAT_ENINTBUFWIN 0x0008 -#define STAT_INTDMA 0x0010 -#define STAT_INTRX 0x0020 -#define STAT_INTTX 0x0040 -#define STAT_INTBUFWIN 0x0080 -#define STAT_DMAON 0x0100 -#define STAT_RXON 0x0200 -#define STAT_TXON 0x0400 -#define STAT_FIFOFULL 0x2000 -#define STAT_FIFOEMPTY 0x4000 -#define STAT_FIFODIR 0x8000 - -/* configuration register 1 */ -#define REG_CONFIG1 (priv(dev)->seeq + 0x0040) -#define CFG1_BUFSELSTAT0 0x0000 -#define CFG1_BUFSELSTAT1 0x0001 -#define CFG1_BUFSELSTAT2 0x0002 -#define CFG1_BUFSELSTAT3 0x0003 -#define CFG1_BUFSELSTAT4 0x0004 -#define CFG1_BUFSELSTAT5 0x0005 -#define CFG1_ADDRPROM 0x0006 -#define CFG1_TRANSEND 0x0007 -#define CFG1_LOCBUFMEM 0x0008 -#define CFG1_INTVECTOR 0x0009 -#define CFG1_RECVSPECONLY 0x0000 -#define CFG1_RECVSPECBROAD 0x4000 -#define CFG1_RECVSPECBRMULTI 0x8000 -#define CFG1_RECVPROMISC 0xC000 - -/* The following aren't in 8004 */ -#define CFG1_DMABURSTCONT 0x0000 -#define CFG1_DMABURST800NS 0x0010 -#define CFG1_DMABURST1600NS 0x0020 -#define CFG1_DMABURST3200NS 0x0030 -#define CFG1_DMABURST1 0x0000 -#define CFG1_DMABURST4 0x0040 -#define CFG1_DMABURST8 0x0080 -#define CFG1_DMABURST16 0x00C0 -#define CFG1_RECVCOMPSTAT0 0x0100 -#define CFG1_RECVCOMPSTAT1 0x0200 -#define CFG1_RECVCOMPSTAT2 0x0400 -#define CFG1_RECVCOMPSTAT3 0x0800 -#define CFG1_RECVCOMPSTAT4 0x1000 -#define CFG1_RECVCOMPSTAT5 0x2000 - -/* configuration register 2 */ -#define REG_CONFIG2 (priv(dev)->seeq + 0x0080) -#define CFG2_BYTESWAP 0x0001 -#define CFG2_ERRENCRC 0x0008 -#define CFG2_ERRENDRIBBLE 0x0010 -#define CFG2_ERRSHORTFRAME 0x0020 -#define CFG2_SLOTSELECT 0x0040 -#define CFG2_PREAMSELECT 0x0080 -#define CFG2_ADDRLENGTH 0x0100 -#define CFG2_RECVCRC 0x0200 -#define CFG2_XMITNOCRC 0x0400 -#define CFG2_LOOPBACK 0x0800 -#define CFG2_CTRLO 0x1000 -#define CFG2_RESET 0x8000 - -#define REG_RECVEND (priv(dev)->seeq + 0x00c0) - -#define REG_BUFWIN (priv(dev)->seeq + 0x0100) - -#define REG_RECVPTR (priv(dev)->seeq + 0x0140) - -#define REG_TRANSMITPTR (priv(dev)->seeq + 0x0180) - -#define REG_DMAADDR (priv(dev)->seeq + 0x01c0) - -/* - * Cards transmit/receive headers - */ -#define TX_NEXT (0xffff) -#define TXHDR_ENBABBLEINT (1 << 16) -#define TXHDR_ENCOLLISIONINT (1 << 17) -#define TXHDR_EN16COLLISION (1 << 18) -#define TXHDR_ENSUCCESS (1 << 19) -#define TXHDR_DATAFOLLOWS (1 << 21) -#define TXHDR_CHAINCONTINUE (1 << 22) -#define TXHDR_TRANSMIT (1 << 23) -#define TXSTAT_BABBLED (1 << 24) -#define TXSTAT_COLLISION (1 << 25) -#define TXSTAT_16COLLISIONS (1 << 26) -#define TXSTAT_DONE (1 << 31) - -#define RX_NEXT (0xffff) -#define RXHDR_CHAINCONTINUE (1 << 6) -#define RXHDR_RECEIVE (1 << 7) -#define RXSTAT_OVERSIZE (1 << 8) -#define RXSTAT_CRCERROR (1 << 9) -#define RXSTAT_DRIBBLEERROR (1 << 10) -#define RXSTAT_SHORTPACKET (1 << 11) -#define RXSTAT_DONE (1 << 15) - - -#define TX_START 0x0000 -#define TX_END 0x6000 -#define RX_START 0x6000 -#define RX_LEN 0xA000 -#define RX_END 0x10000 -/* must be a power of 2 and greater than MAX_TX_BUFFERED */ -#define MAX_TXED 16 -#define MAX_TX_BUFFERED 10 - -struct dev_priv { - void __iomem *base; - void __iomem *seeq; - struct { - unsigned int command; - unsigned int config1; - unsigned int config2; - } regs; - unsigned char tx_head; /* buffer nr to insert next packet */ - unsigned char tx_tail; /* buffer nr of transmitting packet */ - unsigned int rx_head; /* address to fetch next packet from */ - struct net_device_stats stats; - struct timer_list timer; - int broken; /* 0 = ok, 1 = something went wrong */ -}; - -struct ether3_data { - const char name[8]; - unsigned long base_offset; -}; - -#endif diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c deleted file mode 100644 index 00081d2b9cd..00000000000 --- a/drivers/net/arm/etherh.c +++ /dev/null @@ -1,853 +0,0 @@ -/* - * linux/drivers/acorn/net/etherh.c - * - * Copyright (C) 2000-2002 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * NS8390 I-cubed EtherH and ANT EtherM specific driver - * Thanks to I-Cubed for information on their cards. - * EtherM conversion (C) 1999 Chris Kemp and Tim Watterton - * EtherM integration (C) 2000 Aleph One Ltd (Tak-Shing Chan) - * EtherM integration re-engineered by Russell King. - * - * Changelog: - * 08-12-1996 RMK 1.00 Created - * RMK 1.03 Added support for EtherLan500 cards - * 23-11-1997 RMK 1.04 Added media autodetection - * 16-04-1998 RMK 1.05 Improved media autodetection - * 10-02-2000 RMK 1.06 Updated for 2.3.43 - * 13-05-2000 RMK 1.07 Updated for 2.3.99-pre8 - * 12-10-1999 CK/TEW EtherM driver first release - * 21-12-2000 TTC EtherH/EtherM integration - * 25-12-2000 RMK 1.08 Clean integration of EtherM into this driver. - * 03-01-2002 RMK 1.09 Always enable IRQs if we're in the nic slot. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/ethtool.h> -#include <linux/skbuff.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/bitops.h> -#include <linux/jiffies.h> - -#include <asm/system.h> -#include <asm/ecard.h> -#include <asm/io.h> - -#define EI_SHIFT(x) (ei_local->reg_offset[x]) - -#define ei_inb(_p) readb((void __iomem *)_p) -#define ei_outb(_v,_p) writeb(_v,(void __iomem *)_p) -#define ei_inb_p(_p) readb((void __iomem *)_p) -#define ei_outb_p(_v,_p) writeb(_v,(void __iomem *)_p) - -#define NET_DEBUG 0 -#define DEBUG_INIT 2 - -#define DRV_NAME "etherh" -#define DRV_VERSION "1.11" - -static char version[] __initdata = - "EtherH/EtherM Driver (c) 2002-2004 Russell King " DRV_VERSION "\n"; - -#include "../lib8390.c" - -static unsigned int net_debug = NET_DEBUG; - -struct etherh_priv { - void __iomem *ioc_fast; - void __iomem *memc; - void __iomem *dma_base; - unsigned int id; - void __iomem *ctrl_port; - unsigned char ctrl; - u32 supported; -}; - -struct etherh_data { - unsigned long ns8390_offset; - unsigned long dataport_offset; - unsigned long ctrlport_offset; - int ctrl_ioc; - const char name[16]; - u32 supported; - unsigned char tx_start_page; - unsigned char stop_page; -}; - -MODULE_AUTHOR("Russell King"); -MODULE_DESCRIPTION("EtherH/EtherM driver"); -MODULE_LICENSE("GPL"); - -#define ETHERH500_DATAPORT 0x800 /* MEMC */ -#define ETHERH500_NS8390 0x000 /* MEMC */ -#define ETHERH500_CTRLPORT 0x800 /* IOC */ - -#define ETHERH600_DATAPORT 0x040 /* MEMC */ -#define ETHERH600_NS8390 0x800 /* MEMC */ -#define ETHERH600_CTRLPORT 0x200 /* MEMC */ - -#define ETHERH_CP_IE 1 -#define ETHERH_CP_IF 2 -#define ETHERH_CP_HEARTBEAT 2 - -#define ETHERH_TX_START_PAGE 1 -#define ETHERH_STOP_PAGE 127 - -/* - * These came from CK/TEW - */ -#define ETHERM_DATAPORT 0x200 /* MEMC */ -#define ETHERM_NS8390 0x800 /* MEMC */ -#define ETHERM_CTRLPORT 0x23c /* MEMC */ - -#define ETHERM_TX_START_PAGE 64 -#define ETHERM_STOP_PAGE 127 - -/* ------------------------------------------------------------------------ */ - -#define etherh_priv(dev) \ - ((struct etherh_priv *)(((char *)netdev_priv(dev)) + sizeof(struct ei_device))) - -static inline void etherh_set_ctrl(struct etherh_priv *eh, unsigned char mask) -{ - unsigned char ctrl = eh->ctrl | mask; - eh->ctrl = ctrl; - writeb(ctrl, eh->ctrl_port); -} - -static inline void etherh_clr_ctrl(struct etherh_priv *eh, unsigned char mask) -{ - unsigned char ctrl = eh->ctrl & ~mask; - eh->ctrl = ctrl; - writeb(ctrl, eh->ctrl_port); -} - -static inline unsigned int etherh_get_stat(struct etherh_priv *eh) -{ - return readb(eh->ctrl_port); -} - - - - -static void etherh_irq_enable(ecard_t *ec, int irqnr) -{ - struct etherh_priv *eh = ec->irq_data; - - etherh_set_ctrl(eh, ETHERH_CP_IE); -} - -static void etherh_irq_disable(ecard_t *ec, int irqnr) -{ - struct etherh_priv *eh = ec->irq_data; - - etherh_clr_ctrl(eh, ETHERH_CP_IE); -} - -static expansioncard_ops_t etherh_ops = { - .irqenable = etherh_irq_enable, - .irqdisable = etherh_irq_disable, -}; - - - - -static void -etherh_setif(struct net_device *dev) -{ - struct ei_device *ei_local = netdev_priv(dev); - unsigned long flags; - void __iomem *addr; - - local_irq_save(flags); - - /* set the interface type */ - switch (etherh_priv(dev)->id) { - case PROD_I3_ETHERLAN600: - case PROD_I3_ETHERLAN600A: - addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; - - switch (dev->if_port) { - case IF_PORT_10BASE2: - writeb((readb(addr) & 0xf8) | 1, addr); - break; - case IF_PORT_10BASET: - writeb((readb(addr) & 0xf8), addr); - break; - } - break; - - case PROD_I3_ETHERLAN500: - switch (dev->if_port) { - case IF_PORT_10BASE2: - etherh_clr_ctrl(etherh_priv(dev), ETHERH_CP_IF); - break; - - case IF_PORT_10BASET: - etherh_set_ctrl(etherh_priv(dev), ETHERH_CP_IF); - break; - } - break; - - default: - break; - } - - local_irq_restore(flags); -} - -static int -etherh_getifstat(struct net_device *dev) -{ - struct ei_device *ei_local = netdev_priv(dev); - void __iomem *addr; - int stat = 0; - - switch (etherh_priv(dev)->id) { - case PROD_I3_ETHERLAN600: - case PROD_I3_ETHERLAN600A: - addr = (void __iomem *)dev->base_addr + EN0_RCNTHI; - switch (dev->if_port) { - case IF_PORT_10BASE2: - stat = 1; - break; - case IF_PORT_10BASET: - stat = readb(addr) & 4; - break; - } - break; - - case PROD_I3_ETHERLAN500: - switch (dev->if_port) { - case IF_PORT_10BASE2: - stat = 1; - break; - case IF_PORT_10BASET: - stat = etherh_get_stat(etherh_priv(dev)) & ETHERH_CP_HEARTBEAT; - break; - } - break; - - default: - stat = 0; - break; - } - - return stat != 0; -} - -/* - * Configure the interface. Note that we ignore the other - * parts of ifmap, since its mostly meaningless for this driver. - */ -static int etherh_set_config(struct net_device *dev, struct ifmap *map) -{ - switch (map->port) { - case IF_PORT_10BASE2: - case IF_PORT_10BASET: - /* - * If the user explicitly sets the interface - * media type, turn off automedia detection. - */ - dev->flags &= ~IFF_AUTOMEDIA; - dev->if_port = map->port; - break; - - default: - return -EINVAL; - } - - etherh_setif(dev); - - return 0; -} - -/* - * Reset the 8390 (hard reset). Note that we can't actually do this. - */ -static void -etherh_reset(struct net_device *dev) -{ - struct ei_device *ei_local = netdev_priv(dev); - void __iomem *addr = (void __iomem *)dev->base_addr; - - writeb(E8390_NODMA+E8390_PAGE0+E8390_STOP, addr); - - /* - * See if we need to change the interface type. - * Note that we use 'interface_num' as a flag - * to indicate that we need to change the media. - */ - if (dev->flags & IFF_AUTOMEDIA && ei_local->interface_num) { - ei_local->interface_num = 0; - - if (dev->if_port == IF_PORT_10BASET) - dev->if_port = IF_PORT_10BASE2; - else - dev->if_port = IF_PORT_10BASET; - - etherh_setif(dev); - } -} - -/* - * Write a block of data out to the 8390 - */ -static void -etherh_block_output (struct net_device *dev, int count, const unsigned char *buf, int start_page) -{ - struct ei_device *ei_local = netdev_priv(dev); - unsigned long dma_start; - void __iomem *dma_base, *addr; - - if (ei_local->dmaing) { - printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " - " DMAstat %d irqlock %d\n", dev->name, - ei_local->dmaing, ei_local->irqlock); - return; - } - - /* - * Make sure we have a round number of bytes if we're in word mode. - */ - if (count & 1 && ei_local->word16) - count++; - - ei_local->dmaing = 1; - - addr = (void __iomem *)dev->base_addr; - dma_base = etherh_priv(dev)->dma_base; - - count = (count + 1) & ~1; - writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); - - writeb (0x42, addr + EN0_RCNTLO); - writeb (0x00, addr + EN0_RCNTHI); - writeb (0x42, addr + EN0_RSARLO); - writeb (0x00, addr + EN0_RSARHI); - writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); - - udelay (1); - - writeb (ENISR_RDC, addr + EN0_ISR); - writeb (count, addr + EN0_RCNTLO); - writeb (count >> 8, addr + EN0_RCNTHI); - writeb (0, addr + EN0_RSARLO); - writeb (start_page, addr + EN0_RSARHI); - writeb (E8390_RWRITE | E8390_START, addr + E8390_CMD); - - if (ei_local->word16) - writesw (dma_base, buf, count >> 1); - else - writesb (dma_base, buf, count); - - dma_start = jiffies; - - while ((readb (addr + EN0_ISR) & ENISR_RDC) == 0) - if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */ - printk(KERN_ERR "%s: timeout waiting for TX RDC\n", - dev->name); - etherh_reset (dev); - __NS8390_init (dev, 1); - break; - } - - writeb (ENISR_RDC, addr + EN0_ISR); - ei_local->dmaing = 0; -} - -/* - * Read a block of data from the 8390 - */ -static void -etherh_block_input (struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) -{ - struct ei_device *ei_local = netdev_priv(dev); - unsigned char *buf; - void __iomem *dma_base, *addr; - - if (ei_local->dmaing) { - printk(KERN_ERR "%s: DMAing conflict in etherh_block_input: " - " DMAstat %d irqlock %d\n", dev->name, - ei_local->dmaing, ei_local->irqlock); - return; - } - - ei_local->dmaing = 1; - - addr = (void __iomem *)dev->base_addr; - dma_base = etherh_priv(dev)->dma_base; - - buf = skb->data; - writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); - writeb (count, addr + EN0_RCNTLO); - writeb (count >> 8, addr + EN0_RCNTHI); - writeb (ring_offset, addr + EN0_RSARLO); - writeb (ring_offset >> 8, addr + EN0_RSARHI); - writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); - - if (ei_local->word16) { - readsw (dma_base, buf, count >> 1); - if (count & 1) - buf[count - 1] = readb (dma_base); - } else - readsb (dma_base, buf, count); - - writeb (ENISR_RDC, addr + EN0_ISR); - ei_local->dmaing = 0; -} - -/* - * Read a header from the 8390 - */ -static void -etherh_get_header (struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) -{ - struct ei_device *ei_local = netdev_priv(dev); - void __iomem *dma_base, *addr; - - if (ei_local->dmaing) { - printk(KERN_ERR "%s: DMAing conflict in etherh_get_header: " - " DMAstat %d irqlock %d\n", dev->name, - ei_local->dmaing, ei_local->irqlock); - return; - } - - ei_local->dmaing = 1; - - addr = (void __iomem *)dev->base_addr; - dma_base = etherh_priv(dev)->dma_base; - - writeb (E8390_NODMA | E8390_PAGE0 | E8390_START, addr + E8390_CMD); - writeb (sizeof (*hdr), addr + EN0_RCNTLO); - writeb (0, addr + EN0_RCNTHI); - writeb (0, addr + EN0_RSARLO); - writeb (ring_page, addr + EN0_RSARHI); - writeb (E8390_RREAD | E8390_START, addr + E8390_CMD); - - if (ei_local->word16) - readsw (dma_base, hdr, sizeof (*hdr) >> 1); - else - readsb (dma_base, hdr, sizeof (*hdr)); - - writeb (ENISR_RDC, addr + EN0_ISR); - ei_local->dmaing = 0; -} - -/* - * Open/initialize the board. This is called (in the current kernel) - * sometime after booting when the 'ifconfig' program is run. - * - * This routine should set everything up anew at each open, even - * registers that "should" only need to be set once at boot, so that - * there is non-reboot way to recover if something goes wrong. - */ -static int -etherh_open(struct net_device *dev) -{ - struct ei_device *ei_local = netdev_priv(dev); - - if (!is_valid_ether_addr(dev->dev_addr)) { - printk(KERN_WARNING "%s: invalid ethernet MAC address\n", - dev->name); - return -EINVAL; - } - - if (request_irq(dev->irq, __ei_interrupt, 0, dev->name, dev)) - return -EAGAIN; - - /* - * Make sure that we aren't going to change the - * media type on the next reset - we are about to - * do automedia manually now. - */ - ei_local->interface_num = 0; - - /* - * If we are doing automedia detection, do it now. - * This is more reliable than the 8390's detection. - */ - if (dev->flags & IFF_AUTOMEDIA) { - dev->if_port = IF_PORT_10BASET; - etherh_setif(dev); - mdelay(1); - if (!etherh_getifstat(dev)) { - dev->if_port = IF_PORT_10BASE2; - etherh_setif(dev); - } - } else - etherh_setif(dev); - - etherh_reset(dev); - __ei_open(dev); - - return 0; -} - -/* - * The inverse routine to etherh_open(). - */ -static int -etherh_close(struct net_device *dev) -{ - __ei_close (dev); - free_irq (dev->irq, dev); - return 0; -} - -/* - * Initialisation - */ - -static void __init etherh_banner(void) -{ - static int version_printed; - - if (net_debug && version_printed++ == 0) - printk(KERN_INFO "%s", version); -} - -/* - * Read the ethernet address string from the on board rom. - * This is an ascii string... - */ -static int __init etherh_addr(char *addr, struct expansion_card *ec) -{ - struct in_chunk_dir cd; - char *s; - - if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { - printk(KERN_ERR "%s: unable to read podule description string\n", - ec->dev.bus_id); - goto no_addr; - } - - s = strchr(cd.d.string, '('); - if (s) { - int i; - - for (i = 0; i < 6; i++) { - addr[i] = simple_strtoul(s + 1, &s, 0x10); - if (*s != (i == 5? ')' : ':')) - break; - } - - if (i == 6) - return 0; - } - - printk(KERN_ERR "%s: unable to parse MAC address: %s\n", - ec->dev.bus_id, cd.d.string); - - no_addr: - return -ENODEV; -} - -/* - * Create an ethernet address from the system serial number. - */ -static int __init etherm_addr(char *addr) -{ - unsigned int serial; - - if (system_serial_low == 0 && system_serial_high == 0) - return -ENODEV; - - serial = system_serial_low | system_serial_high; - - addr[0] = 0; - addr[1] = 0; - addr[2] = 0xa4; - addr[3] = 0x10 + (serial >> 24); - addr[4] = serial >> 16; - addr[5] = serial >> 8; - return 0; -} - -static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, dev->dev.parent->bus_id, - sizeof(info->bus_info)); -} - -static int etherh_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - cmd->supported = etherh_priv(dev)->supported; - cmd->speed = SPEED_10; - cmd->duplex = DUPLEX_HALF; - cmd->port = dev->if_port == IF_PORT_10BASET ? PORT_TP : PORT_BNC; - cmd->autoneg = dev->flags & IFF_AUTOMEDIA ? AUTONEG_ENABLE : AUTONEG_DISABLE; - return 0; -} - -static int etherh_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - switch (cmd->autoneg) { - case AUTONEG_ENABLE: - dev->flags |= IFF_AUTOMEDIA; - break; - - case AUTONEG_DISABLE: - switch (cmd->port) { - case PORT_TP: - dev->if_port = IF_PORT_10BASET; - break; - - case PORT_BNC: - dev->if_port = IF_PORT_10BASE2; - break; - - default: - return -EINVAL; - } - dev->flags &= ~IFF_AUTOMEDIA; - break; - - default: - return -EINVAL; - } - - etherh_setif(dev); - - return 0; -} - -static const struct ethtool_ops etherh_ethtool_ops = { - .get_settings = etherh_get_settings, - .set_settings = etherh_set_settings, - .get_drvinfo = etherh_get_drvinfo, -}; - -static u32 etherh_regoffsets[16]; -static u32 etherm_regoffsets[16]; - -static int __init -etherh_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - const struct etherh_data *data = id->data; - struct ei_device *ei_local; - struct net_device *dev; - struct etherh_priv *eh; - int i, ret; - DECLARE_MAC_BUF(mac); - - etherh_banner(); - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - dev = ____alloc_ei_netdev(sizeof(struct etherh_priv)); - if (!dev) { - ret = -ENOMEM; - goto release; - } - - SET_NETDEV_DEV(dev, &ec->dev); - - dev->open = etherh_open; - dev->stop = etherh_close; - dev->set_config = etherh_set_config; - dev->irq = ec->irq; - dev->ethtool_ops = ðerh_ethtool_ops; - - if (data->supported & SUPPORTED_Autoneg) - dev->flags |= IFF_AUTOMEDIA; - if (data->supported & SUPPORTED_TP) { - dev->flags |= IFF_PORTSEL; - dev->if_port = IF_PORT_10BASET; - } else if (data->supported & SUPPORTED_BNC) { - dev->flags |= IFF_PORTSEL; - dev->if_port = IF_PORT_10BASE2; - } else - dev->if_port = IF_PORT_UNKNOWN; - - eh = etherh_priv(dev); - eh->supported = data->supported; - eh->ctrl = 0; - eh->id = ec->cid.product; - eh->memc = ecardm_iomap(ec, ECARD_RES_MEMC, 0, PAGE_SIZE); - if (!eh->memc) { - ret = -ENOMEM; - goto free; - } - - eh->ctrl_port = eh->memc; - if (data->ctrl_ioc) { - eh->ioc_fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, PAGE_SIZE); - if (!eh->ioc_fast) { - ret = -ENOMEM; - goto free; - } - eh->ctrl_port = eh->ioc_fast; - } - - dev->base_addr = (unsigned long)eh->memc + data->ns8390_offset; - eh->dma_base = eh->memc + data->dataport_offset; - eh->ctrl_port += data->ctrlport_offset; - - /* - * IRQ and control port handling - only for non-NIC slot cards. - */ - if (ec->slot_no != 8) { - ecard_setirq(ec, ðerh_ops, eh); - } else { - /* - * If we're in the NIC slot, make sure the IRQ is enabled - */ - etherh_set_ctrl(eh, ETHERH_CP_IE); - } - - ei_local = netdev_priv(dev); - spin_lock_init(&ei_local->page_lock); - - if (ec->cid.product == PROD_ANT_ETHERM) { - etherm_addr(dev->dev_addr); - ei_local->reg_offset = etherm_regoffsets; - } else { - etherh_addr(dev->dev_addr, ec); - ei_local->reg_offset = etherh_regoffsets; - } - - ei_local->name = dev->name; - ei_local->word16 = 1; - ei_local->tx_start_page = data->tx_start_page; - ei_local->rx_start_page = ei_local->tx_start_page + TX_PAGES; - ei_local->stop_page = data->stop_page; - ei_local->reset_8390 = etherh_reset; - ei_local->block_input = etherh_block_input; - ei_local->block_output = etherh_block_output; - ei_local->get_8390_hdr = etherh_get_header; - ei_local->interface_num = 0; - - etherh_reset(dev); - __NS8390_init(dev, 0); - - ret = register_netdev(dev); - if (ret) - goto free; - - printk(KERN_INFO "%s: %s in slot %d, %s\n", - dev->name, data->name, ec->slot_no, print_mac(mac, dev->dev_addr)); - - ecard_set_drvdata(ec, dev); - - return 0; - - free: - free_netdev(dev); - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit etherh_remove(struct expansion_card *ec) -{ - struct net_device *dev = ecard_get_drvdata(ec); - - ecard_set_drvdata(ec, NULL); - - unregister_netdev(dev); - - free_netdev(dev); - - ecard_release_resources(ec); -} - -static struct etherh_data etherm_data = { - .ns8390_offset = ETHERM_NS8390, - .dataport_offset = ETHERM_NS8390 + ETHERM_DATAPORT, - .ctrlport_offset = ETHERM_NS8390 + ETHERM_CTRLPORT, - .name = "ANT EtherM", - .supported = SUPPORTED_10baseT_Half, - .tx_start_page = ETHERM_TX_START_PAGE, - .stop_page = ETHERM_STOP_PAGE, -}; - -static struct etherh_data etherlan500_data = { - .ns8390_offset = ETHERH500_NS8390, - .dataport_offset = ETHERH500_NS8390 + ETHERH500_DATAPORT, - .ctrlport_offset = ETHERH500_CTRLPORT, - .ctrl_ioc = 1, - .name = "i3 EtherH 500", - .supported = SUPPORTED_10baseT_Half, - .tx_start_page = ETHERH_TX_START_PAGE, - .stop_page = ETHERH_STOP_PAGE, -}; - -static struct etherh_data etherlan600_data = { - .ns8390_offset = ETHERH600_NS8390, - .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, - .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, - .name = "i3 EtherH 600", - .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, - .tx_start_page = ETHERH_TX_START_PAGE, - .stop_page = ETHERH_STOP_PAGE, -}; - -static struct etherh_data etherlan600a_data = { - .ns8390_offset = ETHERH600_NS8390, - .dataport_offset = ETHERH600_NS8390 + ETHERH600_DATAPORT, - .ctrlport_offset = ETHERH600_NS8390 + ETHERH600_CTRLPORT, - .name = "i3 EtherH 600A", - .supported = SUPPORTED_10baseT_Half | SUPPORTED_TP | SUPPORTED_BNC | SUPPORTED_Autoneg, - .tx_start_page = ETHERH_TX_START_PAGE, - .stop_page = ETHERH_STOP_PAGE, -}; - -static const struct ecard_id etherh_ids[] = { - { MANU_ANT, PROD_ANT_ETHERM, ðerm_data }, - { MANU_I3, PROD_I3_ETHERLAN500, ðerlan500_data }, - { MANU_I3, PROD_I3_ETHERLAN600, ðerlan600_data }, - { MANU_I3, PROD_I3_ETHERLAN600A, ðerlan600a_data }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver etherh_driver = { - .probe = etherh_probe, - .remove = __devexit_p(etherh_remove), - .id_table = etherh_ids, - .drv = { - .name = DRV_NAME, - }, -}; - -static int __init etherh_init(void) -{ - int i; - - for (i = 0; i < 16; i++) { - etherh_regoffsets[i] = i << 2; - etherm_regoffsets[i] = i << 5; - } - - return ecard_register_driver(ðerh_driver); -} - -static void __exit etherh_exit(void) -{ - ecard_remove_driver(ðerh_driver); -} - -module_init(etherh_init); -module_exit(etherh_exit); |