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Message-Id: <20201030151758.1241164-3-arnd@kernel.org>
Date: Fri, 30 Oct 2020 16:17:45 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Arnd Bergmann <arnd@...db.de>,
Russell King <linux@...linux.org.uk>,
Tony Luck <tony.luck@...el.com>,
Fenghua Yu <fenghua.yu@...el.com>,
Greg Ungerer <gerg@...ux-m68k.org>,
Finn Thain <fthain@...egraphics.com.au>,
Philip Blundell <philb@....org>,
Joshua Thompson <funaho@...ai.org>,
Sam Creasey <sammy@...my.net>,
"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
Helge Deller <deller@....de>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
John Stultz <john.stultz@...aro.org>,
Stephen Boyd <sboyd@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
linux-ia64@...r.kernel.org,
Parisc List <linux-parisc@...r.kernel.org>,
linux-m68k <linux-m68k@...ts.linux-m68k.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
Russell King <rmk+kernel@...linux.org.uk>,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH v2 02/15] net: remove am79c961a driver
From: Arnd Bergmann <arnd@...db.de>
This driver was only used on the EBSA110 platform, which is now
getting removed, so the driver is no longer needed either.
Acked-by: Russell King <rmk+kernel@...linux.org.uk>
Acked-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
drivers/net/ethernet/amd/Kconfig | 10 +-
drivers/net/ethernet/amd/Makefile | 1 -
drivers/net/ethernet/amd/am79c961a.c | 763 ---------------------------
drivers/net/ethernet/amd/am79c961a.h | 143 -----
4 files changed, 1 insertion(+), 916 deletions(-)
delete mode 100644 drivers/net/ethernet/amd/am79c961a.c
delete mode 100644 drivers/net/ethernet/amd/am79c961a.h
diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
index db7d956a9c9b..d0b0609bbe23 100644
--- a/drivers/net/ethernet/amd/Kconfig
+++ b/drivers/net/ethernet/amd/Kconfig
@@ -8,7 +8,7 @@ config NET_VENDOR_AMD
default y
depends on DIO || MACH_DECSTATION || MVME147 || ATARI || SUN3 || \
SUN3X || SBUS || PCI || ZORRO || (ISA && ISA_DMA_API) || \
- (ARM && ARCH_EBSA110) || ISA || EISA || PCMCIA || ARM64
+ ISA || EISA || PCMCIA || ARM64
help
If you have a network (Ethernet) chipset belonging to this class,
say Y.
@@ -75,14 +75,6 @@ config ARIADNE
To compile this driver as a module, choose M here: the module
will be called ariadne.
-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 ATARILANCE
tristate "Atari LANCE support"
depends on ATARI
diff --git a/drivers/net/ethernet/amd/Makefile b/drivers/net/ethernet/amd/Makefile
index 45f86822a5f7..0d2f478b49a5 100644
--- a/drivers/net/ethernet/amd/Makefile
+++ b/drivers/net/ethernet/amd/Makefile
@@ -5,7 +5,6 @@
obj-$(CONFIG_A2065) += a2065.o
obj-$(CONFIG_AMD8111_ETH) += amd8111e.o
-obj-$(CONFIG_ARM_AM79C961A) += am79c961a.o
obj-$(CONFIG_ARIADNE) += ariadne.o
obj-$(CONFIG_ATARILANCE) += atarilance.o
obj-$(CONFIG_DECLANCE) += declance.o
diff --git a/drivers/net/ethernet/amd/am79c961a.c b/drivers/net/ethernet/amd/am79c961a.c
deleted file mode 100644
index 1c53408f5d47..000000000000
--- a/drivers/net/ethernet/amd/am79c961a.c
+++ /dev/null
@@ -1,763 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * linux/drivers/net/ethernet/amd/am79c961a.c
- *
- * by Russell King <rmk@....linux.org.uk> 1995-2001.
- *
- * 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 <linux/io.h>
-
-#include <mach/hardware.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 volatile(
- "strh %1, [%2] @ NET_RAP\n\t"
- "strh %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 volatile(
- "strh %1, [%2] @ NET_RAP\n\t"
- "ldrh %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 volatile(
- "strh %1, [%2] @ NET_RAP\n\t"
- "strh %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 volatile(
- "strh %1, [%2] @ NAT_RAP\n\t"
- "ldrh %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 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("strh %2, [%0], #4"
- : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8)));
- buf += 2;
- length -= 2;
- }
- while (length > 8) {
- register unsigned int tmp asm("r2"), tmp2 asm("r3");
- asm volatile(
- "ldmia %0!, {%1, %2}"
- : "+r" (buf), "=&r" (tmp), "=&r" (tmp2));
- length -= 8;
- asm volatile(
- "strh %1, [%0], #4\n\t"
- "mov %1, %1, lsr #16\n\t"
- "strh %1, [%0], #4\n\t"
- "strh %2, [%0], #4\n\t"
- "mov %2, %2, lsr #16\n\t"
- "strh %2, [%0], #4"
- : "+r" (offset), "=&r" (tmp), "=&r" (tmp2));
- }
- while (length > 0) {
- asm volatile("strh %2, [%0], #4"
- : "=&r" (offset) : "0" (offset), "r" (buf[0] | (buf[1] << 8)));
- buf += 2;
- length -= 2;
- }
-}
-
-static 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(
- "ldrh %2, [%0], #4\n\t"
- "strb %2, [%1], #1\n\t"
- "mov %2, %2, lsr #8\n\t"
- "strb %2, [%1], #1"
- : "=&r" (offset), "=&r" (buf), "=r" (tmp): "0" (offset), "1" (buf));
- length -= 2;
- }
- while (length > 8) {
- register unsigned int tmp asm("r2"), tmp2 asm("r3"), tmp3;
- asm volatile(
- "ldrh %2, [%0], #4\n\t"
- "ldrh %4, [%0], #4\n\t"
- "ldrh %3, [%0], #4\n\t"
- "orr %2, %2, %4, lsl #16\n\t"
- "ldrh %4, [%0], #4\n\t"
- "orr %3, %3, %4, lsl #16\n\t"
- "stmia %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(
- "ldrh %2, [%0], #4\n\t"
- "strb %2, [%1], #1\n\t"
- "mov %2, %2, lsr #8\n\t"
- "strb %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_mc_hash(char *addr, u16 *hash)
-{
- int idx, bit;
- u32 crc;
-
- crc = ether_crc_le(ETH_ALEN, addr);
-
- idx = crc >> 30;
- bit = (crc >> 26) & 15;
-
- hash[idx] |= 1 << bit;
-}
-
-static unsigned int am79c961_get_rx_mode(struct net_device *dev, u16 *hash)
-{
- unsigned int mode = MODE_PORT_10BT;
-
- if (dev->flags & IFF_PROMISC) {
- mode |= MODE_PROMISC;
- memset(hash, 0xff, 4 * sizeof(*hash));
- } else if (dev->flags & IFF_ALLMULTI) {
- memset(hash, 0xff, 4 * sizeof(*hash));
- } else {
- struct netdev_hw_addr *ha;
-
- memset(hash, 0, 4 * sizeof(*hash));
-
- netdev_for_each_mc_addr(ha, dev)
- am79c961_mc_hash(ha->addr, hash);
- }
-
- return mode;
-}
-
-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;
- u16 multi_hash[4], mode = am79c961_get_rx_mode(dev, multi_hash);
- 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, multi_hash[i - LADRL]);
-
- for (i = PADRL, p = dev->dev_addr; i <= PADRH; i++, p += 2)
- write_rreg (dev->base_addr, i, p[0] | (p[1] << 8));
-
- write_rreg (dev->base_addr, MODE, mode);
- 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(struct timer_list *t)
-{
- struct dev_priv *priv = from_timer(priv, t, timer);
- struct net_device *dev = priv->dev;
- unsigned int lnkstat, carrier;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->chip_lock, flags);
- lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST;
- spin_unlock_irqrestore(&priv->chip_lock, flags);
- 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;
-
- 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;
-}
-
-/*
- * 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;
- u16 multi_hash[4], mode = am79c961_get_rx_mode(dev, multi_hash);
- int i, stopped;
-
- 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, unsigned int txqueue)
-{
- 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 netdev_tx_t
-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);
- 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_consume_skb_any(skb);
-
- return NETDEV_TX_OK;
-}
-
-/*
- * 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);
- dev->stats.rx_errors++;
- if (status & RMD_ERR) {
- if (status & RMD_FRAM)
- dev->stats.rx_frame_errors++;
- if (status & RMD_CRC)
- dev->stats.rx_crc_errors++;
- } else if (status & RMD_STP)
- dev->stats.rx_length_errors++;
- continue;
- }
-
- len = am_readword(dev, hdraddr + 6);
- skb = netdev_alloc_skb(dev, 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->stats.rx_bytes += len;
- dev->stats.rx_packets++;
- } else {
- am_writeword (dev, hdraddr + 2, RMD_OWN);
- dev->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;
-
- dev->stats.tx_errors++;
-
- status2 = am_readword (dev, hdraddr + 6);
-
- /*
- * Clear the error byte
- */
- am_writeword (dev, hdraddr + 6, 0);
-
- if (status2 & TST_RTRY)
- dev->stats.collisions += 16;
- if (status2 & TST_LCOL)
- dev->stats.tx_window_errors++;
- if (status2 & TST_LCAR)
- dev->stats.tx_carrier_errors++;
- if (status2 & TST_UFLO)
- dev->stats.tx_fifo_errors++;
- continue;
- }
- dev->stats.tx_packets++;
- len = am_readword (dev, hdraddr + 4);
- dev->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;
- dev->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 const struct net_device_ops am79c961_netdev_ops = {
- .ndo_open = am79c961_open,
- .ndo_stop = am79c961_close,
- .ndo_start_xmit = am79c961_sendpacket,
- .ndo_set_rx_mode = am79c961_setmulticastlist,
- .ndo_tx_timeout = am79c961_timeout,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = am79c961_poll_controller,
-#endif
-};
-
-static int 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;
- ret = platform_get_irq(pdev, 0);
-
- if (ret < 0) {
- ret = -ENODEV;
- goto nodev;
- }
- dev->irq = ret;
-
- ret = -ENODEV;
- 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);
- priv->dev = dev;
- timer_setup(&priv->timer, am79c961_timer, 0);
-
- if (am79c961_hw_init(dev))
- goto release;
-
- dev->netdev_ops = &am79c961_netdev_ops;
-
- ret = register_netdev(dev);
- if (ret == 0) {
- printk(KERN_INFO "%s: ether address %pM\n",
- dev->name, 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/ethernet/amd/am79c961a.h b/drivers/net/ethernet/amd/am79c961a.h
deleted file mode 100644
index 73679e053ceb..000000000000
--- a/drivers/net/ethernet/amd/am79c961a.h
+++ /dev/null
@@ -1,143 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * linux/drivers/net/ethernet/amd/am79c961a.h
- */
-
-#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 {
- 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;
- struct net_device *dev;
-};
-
-#endif
--
2.27.0
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