Re: [PATCH net 06/18] drivers: net: amd: Remove hplance and mvme147

From: Geert Uytterhoeven

Date: Wed Apr 22 2026 - 03:37:45 EST

CC linux-m68k

On Tue, 21 Apr 2026 at 21:33, Andrew Lunn <andrew@xxxxxxx> wrote:
> These drivers use the 7990 core with wrappers for the HP300 and
> Motorola MVME147 SBC circa 1998. It is unlikely they are used with a
> modern kernel.
>
> Signed-off-by: Andrew Lunn <andrew@xxxxxxx>
> ---
> drivers/net/ethernet/amd/7990.c | 671 -------------------------------------
> drivers/net/ethernet/amd/7990.h | 251 --------------
> drivers/net/ethernet/amd/Kconfig | 18 -
> drivers/net/ethernet/amd/Makefile | 2 -
> drivers/net/ethernet/amd/hplance.c | 238 -------------
> drivers/net/ethernet/amd/hplance.h | 27 --
> drivers/net/ethernet/amd/mvme147.c | 198 -----------
> 7 files changed, 1405 deletions(-)
>
> diff --git a/drivers/net/ethernet/amd/7990.c b/drivers/net/ethernet/amd/7990.c
> deleted file mode 100644
> index 27792a52b6cf..000000000000
> --- a/drivers/net/ethernet/amd/7990.c
> +++ /dev/null
> @@ -1,671 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * 7990.c -- LANCE ethernet IC generic routines.
> - * This is an attempt to separate out the bits of various ethernet
> - * drivers that are common because they all use the AMD 7990 LANCE
> - * (Local Area Network Controller for Ethernet) chip.
> - *
> - * Copyright (C) 05/1998 Peter Maydell <pmaydell@xxxxxxxxxxxxxxxxxxxxxx>
> - *
> - * Most of this stuff was obtained by looking at other LANCE drivers,
> - * in particular a2065.[ch]. The AMD C-LANCE datasheet was also helpful.
> - * NB: this was made easy by the fact that Jes Sorensen had cleaned up
> - * most of a2025 and sunlance with the aim of merging them, so the
> - * common code was pretty obvious.
> - */
> -#include <linux/crc32.h>
> -#include <linux/delay.h>
> -#include <linux/errno.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#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/route.h>
> -#include <linux/string.h>
> -#include <linux/skbuff.h>
> -#include <linux/pgtable.h>
> -#include <asm/irq.h>
> -/* Used for the temporal inet entries and routing */
> -#include <linux/socket.h>
> -#include <linux/bitops.h>
> -
> -#include <asm/io.h>
> -#include <asm/dma.h>
> -#ifdef CONFIG_HP300
> -#include <asm/blinken.h>
> -#endif
> -
> -#include "7990.h"
> -
> -#define WRITERAP(lp, x) out_be16(lp->base + LANCE_RAP, (x))
> -#define WRITERDP(lp, x) out_be16(lp->base + LANCE_RDP, (x))
> -#define READRDP(lp) in_be16(lp->base + LANCE_RDP)
> -
> -#if IS_ENABLED(CONFIG_HPLANCE)
> -#include "hplance.h"
> -
> -#undef WRITERAP
> -#undef WRITERDP
> -#undef READRDP
> -
> -#if IS_ENABLED(CONFIG_MVME147_NET)
> -
> -/* Lossage Factor Nine, Mr Sulu. */
> -#define WRITERAP(lp, x) (lp->writerap(lp, x))
> -#define WRITERDP(lp, x) (lp->writerdp(lp, x))
> -#define READRDP(lp) (lp->readrdp(lp))
> -
> -#else
> -
> -/* These inlines can be used if only CONFIG_HPLANCE is defined */
> -static inline void WRITERAP(struct lance_private *lp, __u16 value)
> -{
> - do {
> - out_be16(lp->base + HPLANCE_REGOFF + LANCE_RAP, value);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> -}
> -
> -static inline void WRITERDP(struct lance_private *lp, __u16 value)
> -{
> - do {
> - out_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP, value);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> -}
> -
> -static inline __u16 READRDP(struct lance_private *lp)
> -{
> - __u16 value;
> - do {
> - value = in_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> - return value;
> -}
> -
> -#endif
> -#endif /* IS_ENABLED(CONFIG_HPLANCE) */
> -
> -/* debugging output macros, various flavours */
> -/* #define TEST_HITS */
> -#ifdef UNDEF
> -#define PRINT_RINGS() \
> -do { \
> - int t; \
> - for (t = 0; t < RX_RING_SIZE; t++) { \
> - printk("R%d: @(%02X %04X) len %04X, mblen %04X, bits %02X\n", \
> - t, ib->brx_ring[t].rmd1_hadr, ib->brx_ring[t].rmd0, \
> - ib->brx_ring[t].length, \
> - ib->brx_ring[t].mblength, ib->brx_ring[t].rmd1_bits); \
> - } \
> - for (t = 0; t < TX_RING_SIZE; t++) { \
> - printk("T%d: @(%02X %04X) len %04X, misc %04X, bits %02X\n", \
> - t, ib->btx_ring[t].tmd1_hadr, ib->btx_ring[t].tmd0, \
> - ib->btx_ring[t].length, \
> - ib->btx_ring[t].misc, ib->btx_ring[t].tmd1_bits); \
> - } \
> -} while (0)
> -#else
> -#define PRINT_RINGS()
> -#endif
> -
> -/* Load the CSR registers. The LANCE has to be STOPped when we do this! */
> -static void load_csrs(struct lance_private *lp)
> -{
> - volatile struct lance_init_block *aib = lp->lance_init_block;
> - int leptr;
> -
> - leptr = LANCE_ADDR(aib);
> -
> - WRITERAP(lp, LE_CSR1); /* load address of init block */
> - WRITERDP(lp, leptr & 0xFFFF);
> - WRITERAP(lp, LE_CSR2);
> - WRITERDP(lp, leptr >> 16);
> - WRITERAP(lp, LE_CSR3);
> - WRITERDP(lp, lp->busmaster_regval); /* set byteswap/ALEctrl/byte ctrl */
> -
> - /* Point back to csr0 */
> - WRITERAP(lp, LE_CSR0);
> -}
> -
> -/* #define to 0 or 1 appropriately */
> -#define DEBUG_IRING 0
> -/* Set up the Lance Rx and Tx rings and the init block */
> -static void lance_init_ring(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - volatile struct lance_init_block *aib; /* for LANCE_ADDR computations */
> - int leptr;
> - int i;
> -
> - aib = lp->lance_init_block;
> -
> - lp->rx_new = lp->tx_new = 0;
> - lp->rx_old = lp->tx_old = 0;
> -
> - ib->mode = LE_MO_PROM; /* normal, enable Tx & Rx */
> -
> - /* Copy the ethernet address to the lance init block
> - * Notice that we do a byteswap if we're big endian.
> - * [I think this is the right criterion; at least, sunlance,
> - * a2065 and atarilance do the byteswap and lance.c (PC) doesn't.
> - * However, the datasheet says that the BSWAP bit doesn't affect
> - * the init block, so surely it should be low byte first for
> - * everybody? Um.]
> - * We could define the ib->physaddr as three 16bit values and
> - * use (addr[1] << 8) | addr[0] & co, but this is more efficient.
> - */
> -#ifdef __BIG_ENDIAN
> - ib->phys_addr[0] = dev->dev_addr[1];
> - ib->phys_addr[1] = dev->dev_addr[0];
> - ib->phys_addr[2] = dev->dev_addr[3];
> - ib->phys_addr[3] = dev->dev_addr[2];
> - ib->phys_addr[4] = dev->dev_addr[5];
> - ib->phys_addr[5] = dev->dev_addr[4];
> -#else
> - for (i = 0; i < 6; i++)
> - ib->phys_addr[i] = dev->dev_addr[i];
> -#endif
> -
> - if (DEBUG_IRING)
> - printk("TX rings:\n");
> -
> - lp->tx_full = 0;
> - /* Setup the Tx ring entries */
> - for (i = 0; i < (1 << lp->lance_log_tx_bufs); i++) {
> - leptr = LANCE_ADDR(&aib->tx_buf[i][0]);
> - ib->btx_ring[i].tmd0 = leptr;
> - ib->btx_ring[i].tmd1_hadr = leptr >> 16;
> - ib->btx_ring[i].tmd1_bits = 0;
> - ib->btx_ring[i].length = 0xf000; /* The ones required by tmd2 */
> - ib->btx_ring[i].misc = 0;
> - if (DEBUG_IRING)
> - printk("%d: 0x%8.8x\n", i, leptr);
> - }
> -
> - /* Setup the Rx ring entries */
> - if (DEBUG_IRING)
> - printk("RX rings:\n");
> - for (i = 0; i < (1 << lp->lance_log_rx_bufs); i++) {
> - leptr = LANCE_ADDR(&aib->rx_buf[i][0]);
> -
> - ib->brx_ring[i].rmd0 = leptr;
> - ib->brx_ring[i].rmd1_hadr = leptr >> 16;
> - ib->brx_ring[i].rmd1_bits = LE_R1_OWN;
> - /* 0xf000 == bits that must be one (reserved, presumably) */
> - ib->brx_ring[i].length = -RX_BUFF_SIZE | 0xf000;
> - ib->brx_ring[i].mblength = 0;
> - if (DEBUG_IRING)
> - printk("%d: 0x%8.8x\n", i, leptr);
> - }
> -
> - /* Setup the initialization block */
> -
> - /* Setup rx descriptor pointer */
> - leptr = LANCE_ADDR(&aib->brx_ring);
> - ib->rx_len = (lp->lance_log_rx_bufs << 13) | (leptr >> 16);
> - ib->rx_ptr = leptr;
> - if (DEBUG_IRING)
> - printk("RX ptr: %8.8x\n", leptr);
> -
> - /* Setup tx descriptor pointer */
> - leptr = LANCE_ADDR(&aib->btx_ring);
> - ib->tx_len = (lp->lance_log_tx_bufs << 13) | (leptr >> 16);
> - ib->tx_ptr = leptr;
> - if (DEBUG_IRING)
> - printk("TX ptr: %8.8x\n", leptr);
> -
> - /* Clear the multicast filter */
> - ib->filter[0] = 0;
> - ib->filter[1] = 0;
> - PRINT_RINGS();
> -}
> -
> -/* LANCE must be STOPped before we do this, too... */
> -static int init_restart_lance(struct lance_private *lp)
> -{
> - int i;
> -
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_INIT);
> -
> - /* Need a hook here for sunlance ledma stuff */
> -
> - /* Wait for the lance to complete initialization */
> - for (i = 0; (i < 100) && !(READRDP(lp) & (LE_C0_ERR | LE_C0_IDON)); i++)
> - barrier();
> - if ((i == 100) || (READRDP(lp) & LE_C0_ERR)) {
> - printk("LANCE unopened after %d ticks, csr0=%4.4x.\n", i, READRDP(lp));
> - return -1;
> - }
> -
> - /* Clear IDON by writing a "1", enable interrupts and start lance */
> - WRITERDP(lp, LE_C0_IDON);
> - WRITERDP(lp, LE_C0_INEA | LE_C0_STRT);
> -
> - return 0;
> -}
> -
> -static int lance_reset(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - int status;
> -
> - /* Stop the lance */
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STOP);
> -
> - load_csrs(lp);
> - lance_init_ring(dev);
> - netif_trans_update(dev); /* prevent tx timeout */
> - status = init_restart_lance(lp);
> -#ifdef DEBUG_DRIVER
> - printk("Lance restart=%d\n", status);
> -#endif
> - return status;
> -}
> -
> -static int lance_rx(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - volatile struct lance_rx_desc *rd;
> - unsigned char bits;
> -#ifdef TEST_HITS
> - int i;
> -#endif
> -
> -#ifdef TEST_HITS
> - printk("[");
> - for (i = 0; i < RX_RING_SIZE; i++) {
> - if (i == lp->rx_new)
> - printk("%s",
> - ib->brx_ring[i].rmd1_bits & LE_R1_OWN ? "_" : "X");
> - else
> - printk("%s",
> - ib->brx_ring[i].rmd1_bits & LE_R1_OWN ? "." : "1");
> - }
> - printk("]");
> -#endif
> -#ifdef CONFIG_HP300
> - blinken_leds(0x40, 0);
> -#endif
> - WRITERDP(lp, LE_C0_RINT | LE_C0_INEA); /* ack Rx int, reenable ints */
> - for (rd = &ib->brx_ring[lp->rx_new]; /* For each Rx ring we own... */
> - !((bits = rd->rmd1_bits) & LE_R1_OWN);
> - rd = &ib->brx_ring[lp->rx_new]) {
> -
> - /* We got an incomplete frame? */
> - if ((bits & LE_R1_POK) != LE_R1_POK) {
> - dev->stats.rx_over_errors++;
> - dev->stats.rx_errors++;
> - continue;
> - } else if (bits & LE_R1_ERR) {
> - /* Count only the end frame as a rx error,
> - * not the beginning
> - */
> - if (bits & LE_R1_BUF)
> - dev->stats.rx_fifo_errors++;
> - if (bits & LE_R1_CRC)
> - dev->stats.rx_crc_errors++;
> - if (bits & LE_R1_OFL)
> - dev->stats.rx_over_errors++;
> - if (bits & LE_R1_FRA)
> - dev->stats.rx_frame_errors++;
> - if (bits & LE_R1_EOP)
> - dev->stats.rx_errors++;
> - } else {
> - int len = (rd->mblength & 0xfff) - 4;
> - struct sk_buff *skb = netdev_alloc_skb(dev, len + 2);
> -
> - if (!skb) {
> - dev->stats.rx_dropped++;
> - rd->mblength = 0;
> - rd->rmd1_bits = LE_R1_OWN;
> - lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
> - return 0;
> - }
> -
> - skb_reserve(skb, 2); /* 16 byte align */
> - skb_put(skb, len); /* make room */
> - skb_copy_to_linear_data(skb,
> - (unsigned char *)&(ib->rx_buf[lp->rx_new][0]),
> - len);
> - skb->protocol = eth_type_trans(skb, dev);
> - netif_rx(skb);
> - dev->stats.rx_packets++;
> - dev->stats.rx_bytes += len;
> - }
> -
> - /* Return the packet to the pool */
> - rd->mblength = 0;
> - rd->rmd1_bits = LE_R1_OWN;
> - lp->rx_new = (lp->rx_new + 1) & lp->rx_ring_mod_mask;
> - }
> - return 0;
> -}
> -
> -static int lance_tx(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - volatile struct lance_tx_desc *td;
> - int i, j;
> - int status;
> -
> -#ifdef CONFIG_HP300
> - blinken_leds(0x80, 0);
> -#endif
> - /* csr0 is 2f3 */
> - WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
> - /* csr0 is 73 */
> -
> - j = lp->tx_old;
> - for (i = j; i != lp->tx_new; i = j) {
> - td = &ib->btx_ring[i];
> -
> - /* If we hit a packet not owned by us, stop */
> - if (td->tmd1_bits & LE_T1_OWN)
> - break;
> -
> - if (td->tmd1_bits & LE_T1_ERR) {
> - status = td->misc;
> -
> - dev->stats.tx_errors++;
> - if (status & LE_T3_RTY)
> - dev->stats.tx_aborted_errors++;
> - if (status & LE_T3_LCOL)
> - dev->stats.tx_window_errors++;
> -
> - if (status & LE_T3_CLOS) {
> - dev->stats.tx_carrier_errors++;
> - if (lp->auto_select) {
> - lp->tpe = 1 - lp->tpe;
> - printk("%s: Carrier Lost, trying %s\n",
> - dev->name,
> - lp->tpe ? "TPE" : "AUI");
> - /* Stop the lance */
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STOP);
> - lance_init_ring(dev);
> - load_csrs(lp);
> - init_restart_lance(lp);
> - return 0;
> - }
> - }
> -
> - /* buffer errors and underflows turn off the transmitter */
> - /* Restart the adapter */
> - if (status & (LE_T3_BUF|LE_T3_UFL)) {
> - dev->stats.tx_fifo_errors++;
> -
> - printk("%s: Tx: ERR_BUF|ERR_UFL, restarting\n",
> - dev->name);
> - /* Stop the lance */
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STOP);
> - lance_init_ring(dev);
> - load_csrs(lp);
> - init_restart_lance(lp);
> - return 0;
> - }
> - } else if ((td->tmd1_bits & LE_T1_POK) == LE_T1_POK) {
> - /*
> - * So we don't count the packet more than once.
> - */
> - td->tmd1_bits &= ~(LE_T1_POK);
> -
> - /* One collision before packet was sent. */
> - if (td->tmd1_bits & LE_T1_EONE)
> - dev->stats.collisions++;
> -
> - /* More than one collision, be optimistic. */
> - if (td->tmd1_bits & LE_T1_EMORE)
> - dev->stats.collisions += 2;
> -
> - dev->stats.tx_packets++;
> - }
> -
> - j = (j + 1) & lp->tx_ring_mod_mask;
> - }
> - lp->tx_old = j;
> - WRITERDP(lp, LE_C0_TINT | LE_C0_INEA);
> - return 0;
> -}
> -
> -static irqreturn_t
> -lance_interrupt(int irq, void *dev_id)
> -{
> - struct net_device *dev = (struct net_device *)dev_id;
> - struct lance_private *lp = netdev_priv(dev);
> - int csr0;
> -
> - spin_lock(&lp->devlock);
> -
> - WRITERAP(lp, LE_CSR0); /* LANCE Controller Status */
> - csr0 = READRDP(lp);
> -
> - PRINT_RINGS();
> -
> - if (!(csr0 & LE_C0_INTR)) { /* Check if any interrupt has */
> - spin_unlock(&lp->devlock);
> - return IRQ_NONE; /* been generated by the Lance. */
> - }
> -
> - /* Acknowledge all the interrupt sources ASAP */
> - WRITERDP(lp, csr0 & ~(LE_C0_INEA|LE_C0_TDMD|LE_C0_STOP|LE_C0_STRT|LE_C0_INIT));
> -
> - if ((csr0 & LE_C0_ERR)) {
> - /* Clear the error condition */
> - WRITERDP(lp, LE_C0_BABL|LE_C0_ERR|LE_C0_MISS|LE_C0_INEA);
> - }
> -
> - if (csr0 & LE_C0_RINT)
> - lance_rx(dev);
> -
> - if (csr0 & LE_C0_TINT)
> - lance_tx(dev);
> -
> - /* Log misc errors. */
> - if (csr0 & LE_C0_BABL)
> - dev->stats.tx_errors++; /* Tx babble. */
> - if (csr0 & LE_C0_MISS)
> - dev->stats.rx_errors++; /* Missed a Rx frame. */
> - if (csr0 & LE_C0_MERR) {
> - printk("%s: Bus master arbitration failure, status %4.4x.\n",
> - dev->name, csr0);
> - /* Restart the chip. */
> - WRITERDP(lp, LE_C0_STRT);
> - }
> -
> - if (lp->tx_full && netif_queue_stopped(dev) && (TX_BUFFS_AVAIL >= 0)) {
> - lp->tx_full = 0;
> - netif_wake_queue(dev);
> - }
> -
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_BABL|LE_C0_CERR|LE_C0_MISS|LE_C0_MERR|LE_C0_IDON|LE_C0_INEA);
> -
> - spin_unlock(&lp->devlock);
> - return IRQ_HANDLED;
> -}
> -
> -int lance_open(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - int res;
> -
> - /* Install the Interrupt handler. Or we could shunt this out to specific drivers? */
> - if (request_irq(lp->irq, lance_interrupt, IRQF_SHARED, lp->name, dev))
> - return -EAGAIN;
> -
> - res = lance_reset(dev);
> - spin_lock_init(&lp->devlock);
> - netif_start_queue(dev);
> -
> - return res;
> -}
> -EXPORT_SYMBOL_GPL(lance_open);
> -
> -int lance_close(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> -
> - netif_stop_queue(dev);
> -
> - /* Stop the LANCE */
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STOP);
> -
> - free_irq(lp->irq, dev);
> -
> - return 0;
> -}
> -EXPORT_SYMBOL_GPL(lance_close);
> -
> -void lance_tx_timeout(struct net_device *dev, unsigned int txqueue)
> -{
> - printk("lance_tx_timeout\n");
> - lance_reset(dev);
> - netif_trans_update(dev); /* prevent tx timeout */
> - netif_wake_queue(dev);
> -}
> -EXPORT_SYMBOL_GPL(lance_tx_timeout);
> -
> -netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - int entry, skblen, len;
> - static int outs;
> - unsigned long flags;
> -
> - netif_stop_queue(dev);
> -
> - if (!TX_BUFFS_AVAIL) {
> - dev_consume_skb_any(skb);
> - return NETDEV_TX_OK;
> - }
> -
> - skblen = skb->len;
> -
> -#ifdef DEBUG_DRIVER
> - /* dump the packet */
> - {
> - int i;
> -
> - for (i = 0; i < 64; i++) {
> - if ((i % 16) == 0)
> - printk("\n");
> - printk("%2.2x ", skb->data[i]);
> - }
> - }
> -#endif
> - len = (skblen <= ETH_ZLEN) ? ETH_ZLEN : skblen;
> - entry = lp->tx_new & lp->tx_ring_mod_mask;
> - ib->btx_ring[entry].length = (-len) | 0xf000;
> - ib->btx_ring[entry].misc = 0;
> -
> - if (skb->len < ETH_ZLEN)
> - memset((void *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
> - skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen);
> -
> - /* Now, give the packet to the lance */
> - ib->btx_ring[entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);
> - lp->tx_new = (lp->tx_new + 1) & lp->tx_ring_mod_mask;
> -
> - outs++;
> - /* Kick the lance: transmit now */
> - WRITERDP(lp, LE_C0_INEA | LE_C0_TDMD);
> - dev_consume_skb_any(skb);
> -
> - spin_lock_irqsave(&lp->devlock, flags);
> - if (TX_BUFFS_AVAIL)
> - netif_start_queue(dev);
> - else
> - lp->tx_full = 1;
> - spin_unlock_irqrestore(&lp->devlock, flags);
> -
> - return NETDEV_TX_OK;
> -}
> -EXPORT_SYMBOL_GPL(lance_start_xmit);
> -
> -/* taken from the depca driver via a2065.c */
> -static void lance_load_multicast(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - volatile u16 *mcast_table = (u16 *)&ib->filter;
> - struct netdev_hw_addr *ha;
> - u32 crc;
> -
> - /* set all multicast bits */
> - if (dev->flags & IFF_ALLMULTI) {
> - ib->filter[0] = 0xffffffff;
> - ib->filter[1] = 0xffffffff;
> - return;
> - }
> - /* clear the multicast filter */
> - ib->filter[0] = 0;
> - ib->filter[1] = 0;
> -
> - /* Add addresses */
> - netdev_for_each_mc_addr(ha, dev) {
> - crc = ether_crc_le(6, ha->addr);
> - crc = crc >> 26;
> - mcast_table[crc >> 4] |= 1 << (crc & 0xf);
> - }
> -}
> -
> -
> -void lance_set_multicast(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> - volatile struct lance_init_block *ib = lp->init_block;
> - int stopped;
> -
> - stopped = netif_queue_stopped(dev);
> - if (!stopped)
> - netif_stop_queue(dev);
> -
> - while (lp->tx_old != lp->tx_new)
> - schedule();
> -
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STOP);
> - lance_init_ring(dev);
> -
> - if (dev->flags & IFF_PROMISC) {
> - ib->mode |= LE_MO_PROM;
> - } else {
> - ib->mode &= ~LE_MO_PROM;
> - lance_load_multicast(dev);
> - }
> - load_csrs(lp);
> - init_restart_lance(lp);
> -
> - if (!stopped)
> - netif_start_queue(dev);
> -}
> -EXPORT_SYMBOL_GPL(lance_set_multicast);
> -
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> -void lance_poll(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> -
> - spin_lock(&lp->devlock);
> - WRITERAP(lp, LE_CSR0);
> - WRITERDP(lp, LE_C0_STRT);
> - spin_unlock(&lp->devlock);
> - lance_interrupt(dev->irq, dev);
> -}
> -EXPORT_SYMBOL_GPL(lance_poll);
> -#endif
> -
> -MODULE_DESCRIPTION("LANCE Ethernet IC generic routines");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/net/ethernet/amd/7990.h b/drivers/net/ethernet/amd/7990.h
> deleted file mode 100644
> index e53551daeea1..000000000000
> --- a/drivers/net/ethernet/amd/7990.h
> +++ /dev/null
> @@ -1,251 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * 7990.h -- LANCE ethernet IC generic routines.
> - * This is an attempt to separate out the bits of various ethernet
> - * drivers that are common because they all use the AMD 7990 LANCE
> - * (Local Area Network Controller for Ethernet) chip.
> - *
> - * Copyright (C) 05/1998 Peter Maydell <pmaydell@xxxxxxxxxxxxxxxxxxxxxx>
> - *
> - * Most of this stuff was obtained by looking at other LANCE drivers,
> - * in particular a2065.[ch]. The AMD C-LANCE datasheet was also helpful.
> - */
> -
> -#ifndef _7990_H
> -#define _7990_H
> -
> -/* The lance only has two register locations. We communicate mostly via memory. */
> -#define LANCE_RDP 0 /* Register Data Port */
> -#define LANCE_RAP 2 /* Register Address Port */
> -
> -/* Transmit/receive ring definitions.
> - * We allow the specific drivers to override these defaults if they want to.
> - * NB: according to lance.c, increasing the number of buffers is a waste
> - * of space and reduces the chance that an upper layer will be able to
> - * reorder queued Tx packets based on priority. [Clearly there is a minimum
> - * limit too: too small and we drop rx packets and can't tx at full speed.]
> - * 4+4 seems to be the usual setting; the atarilance driver uses 3 and 5.
> - */
> -
> -/* Blast! This won't work. The problem is that we can't specify a default
> - * setting because that would cause the lance_init_block struct to be
> - * too long (and overflow the RAM on shared-memory cards like the HP LANCE.
> - */
> -#ifndef LANCE_LOG_TX_BUFFERS
> -#define LANCE_LOG_TX_BUFFERS 1
> -#define LANCE_LOG_RX_BUFFERS 3
> -#endif
> -
> -#define TX_RING_SIZE (1 << LANCE_LOG_TX_BUFFERS)
> -#define RX_RING_SIZE (1 << LANCE_LOG_RX_BUFFERS)
> -#define TX_RING_MOD_MASK (TX_RING_SIZE - 1)
> -#define RX_RING_MOD_MASK (RX_RING_SIZE - 1)
> -#define TX_RING_LEN_BITS ((LANCE_LOG_TX_BUFFERS) << 29)
> -#define RX_RING_LEN_BITS ((LANCE_LOG_RX_BUFFERS) << 29)
> -#define PKT_BUFF_SIZE (1544)
> -#define RX_BUFF_SIZE PKT_BUFF_SIZE
> -#define TX_BUFF_SIZE PKT_BUFF_SIZE
> -
> -/* Each receive buffer is described by a receive message descriptor (RMD) */
> -struct lance_rx_desc {
> - volatile unsigned short rmd0; /* low address of packet */
> - volatile unsigned char rmd1_bits; /* descriptor bits */
> - volatile unsigned char rmd1_hadr; /* high address of packet */
> - volatile short length; /* This length is 2s complement (negative)!
> - * Buffer length */
> - volatile unsigned short mblength; /* Actual number of bytes received */
> -};
> -
> -/* Ditto for TMD: */
> -struct lance_tx_desc {
> - volatile unsigned short tmd0; /* low address of packet */
> - volatile unsigned char tmd1_bits; /* descriptor bits */
> - volatile unsigned char tmd1_hadr; /* high address of packet */
> - volatile short length; /* Length is 2s complement (negative)! */
> - volatile unsigned short misc;
> -};
> -
> -/* There are three memory structures accessed by the LANCE:
> - * the initialization block, the receive and transmit descriptor rings,
> - * and the data buffers themselves. In fact we might as well put the
> - * init block,the Tx and Rx rings and the buffers together in memory:
> - */
> -struct lance_init_block {
> - volatile unsigned short mode; /* Pre-set mode (reg. 15) */
> - volatile unsigned char phys_addr[6]; /* Physical ethernet address */
> - volatile unsigned filter[2]; /* Multicast filter (64 bits) */
> -
> - /* Receive and transmit ring base, along with extra bits. */
> - volatile unsigned short rx_ptr; /* receive descriptor addr */
> - volatile unsigned short rx_len; /* receive len and high addr */
> - volatile unsigned short tx_ptr; /* transmit descriptor addr */
> - volatile unsigned short tx_len; /* transmit len and high addr */
> -
> - /* The Tx and Rx ring entries must be aligned on 8-byte boundaries.
> - * This will be true if this whole struct is 8-byte aligned.
> - */
> - volatile struct lance_tx_desc btx_ring[TX_RING_SIZE];
> - volatile struct lance_rx_desc brx_ring[RX_RING_SIZE];
> -
> - volatile char tx_buf[TX_RING_SIZE][TX_BUFF_SIZE];
> - volatile char rx_buf[RX_RING_SIZE][RX_BUFF_SIZE];
> - /* we use this just to make the struct big enough that we can move its startaddr
> - * in order to force alignment to an eight byte boundary.
> - */
> -};
> -
> -/* This is where we keep all the stuff the driver needs to know about.
> - * I'm definitely unhappy about the mechanism for allowing specific
> - * drivers to add things...
> - */
> -struct lance_private {
> - const char *name;
> - unsigned long base;
> - volatile struct lance_init_block *init_block; /* CPU address of RAM */
> - volatile struct lance_init_block *lance_init_block; /* LANCE address of RAM */
> -
> - int rx_new, tx_new;
> - int rx_old, tx_old;
> -
> - int lance_log_rx_bufs, lance_log_tx_bufs;
> - int rx_ring_mod_mask, tx_ring_mod_mask;
> -
> - int tpe; /* TPE is selected */
> - int auto_select; /* cable-selection is by carrier */
> - unsigned short busmaster_regval;
> -
> - unsigned int irq; /* IRQ to register */
> -
> - /* This is because the HP LANCE is disgusting and you have to check
> - * a DIO-specific register every time you read/write the LANCE regs :-<
> - * [could we get away with making these some sort of macro?]
> - */
> - void (*writerap)(void *, unsigned short);
> - void (*writerdp)(void *, unsigned short);
> - unsigned short (*readrdp)(void *);
> - spinlock_t devlock;
> - char tx_full;
> -};
> -
> -/*
> - * Am7990 Control and Status Registers
> - */
> -#define LE_CSR0 0x0000 /* LANCE Controller Status */
> -#define LE_CSR1 0x0001 /* IADR[15:0] (bit0==0 ie word aligned) */
> -#define LE_CSR2 0x0002 /* IADR[23:16] (high bits reserved) */
> -#define LE_CSR3 0x0003 /* Misc */
> -
> -/*
> - * Bit definitions for CSR0 (LANCE Controller Status)
> - */
> -#define LE_C0_ERR 0x8000 /* Error = BABL | CERR | MISS | MERR */
> -#define LE_C0_BABL 0x4000 /* Babble: Transmitted too many bits */
> -#define LE_C0_CERR 0x2000 /* No Heartbeat (10BASE-T) */
> -#define LE_C0_MISS 0x1000 /* Missed Frame (no rx buffer to put it in) */
> -#define LE_C0_MERR 0x0800 /* Memory Error */
> -#define LE_C0_RINT 0x0400 /* Receive Interrupt */
> -#define LE_C0_TINT 0x0200 /* Transmit Interrupt */
> -#define LE_C0_IDON 0x0100 /* Initialization Done */
> -#define LE_C0_INTR 0x0080 /* Interrupt Flag
> - = BABL | MISS | MERR | RINT | TINT | IDON */
> -#define LE_C0_INEA 0x0040 /* Interrupt Enable */
> -#define LE_C0_RXON 0x0020 /* Receive On */
> -#define LE_C0_TXON 0x0010 /* Transmit On */
> -#define LE_C0_TDMD 0x0008 /* Transmit Demand */
> -#define LE_C0_STOP 0x0004 /* Stop */
> -#define LE_C0_STRT 0x0002 /* Start */
> -#define LE_C0_INIT 0x0001 /* Initialize */
> -
> -
> -/*
> - * Bit definitions for CSR3
> - */
> -#define LE_C3_BSWP 0x0004 /* Byte Swap (on for big endian byte order) */
> -#define LE_C3_ACON 0x0002 /* ALE Control (on for active low ALE) */
> -#define LE_C3_BCON 0x0001 /* Byte Control */
> -
> -
> -/*
> - * Mode Flags
> - */
> -#define LE_MO_PROM 0x8000 /* Promiscuous Mode */
> -/* these next ones 0x4000 -- 0x0080 are not available on the LANCE 7990,
> - * but they are in NetBSD's am7990.h, presumably for backwards-compatible chips
> - */
> -#define LE_MO_DRCVBC 0x4000 /* disable receive broadcast */
> -#define LE_MO_DRCVPA 0x2000 /* disable physical address detection */
> -#define LE_MO_DLNKTST 0x1000 /* disable link status */
> -#define LE_MO_DAPC 0x0800 /* disable automatic polarity correction */
> -#define LE_MO_MENDECL 0x0400 /* MENDEC loopback mode */
> -#define LE_MO_LRTTSEL 0x0200 /* lower RX threshold / TX mode selection */
> -#define LE_MO_PSEL1 0x0100 /* port selection bit1 */
> -#define LE_MO_PSEL0 0x0080 /* port selection bit0 */
> -/* and this one is from the C-LANCE data sheet... */
> -#define LE_MO_EMBA 0x0080 /* Enable Modified Backoff Algorithm
> - (C-LANCE, not original LANCE) */
> -#define LE_MO_INTL 0x0040 /* Internal Loopback */
> -#define LE_MO_DRTY 0x0020 /* Disable Retry */
> -#define LE_MO_FCOLL 0x0010 /* Force Collision */
> -#define LE_MO_DXMTFCS 0x0008 /* Disable Transmit CRC */
> -#define LE_MO_LOOP 0x0004 /* Loopback Enable */
> -#define LE_MO_DTX 0x0002 /* Disable Transmitter */
> -#define LE_MO_DRX 0x0001 /* Disable Receiver */
> -
> -
> -/*
> - * Receive Flags
> - */
> -#define LE_R1_OWN 0x80 /* LANCE owns the descriptor */
> -#define LE_R1_ERR 0x40 /* Error */
> -#define LE_R1_FRA 0x20 /* Framing Error */
> -#define LE_R1_OFL 0x10 /* Overflow Error */
> -#define LE_R1_CRC 0x08 /* CRC Error */
> -#define LE_R1_BUF 0x04 /* Buffer Error */
> -#define LE_R1_SOP 0x02 /* Start of Packet */
> -#define LE_R1_EOP 0x01 /* End of Packet */
> -#define LE_R1_POK 0x03 /* Packet is complete: SOP + EOP */
> -
> -
> -/*
> - * Transmit Flags
> - */
> -#define LE_T1_OWN 0x80 /* LANCE owns the descriptor */
> -#define LE_T1_ERR 0x40 /* Error */
> -#define LE_T1_RES 0x20 /* Reserved, LANCE writes this with a zero */
> -#define LE_T1_EMORE 0x10 /* More than one retry needed */
> -#define LE_T1_EONE 0x08 /* One retry needed */
> -#define LE_T1_EDEF 0x04 /* Deferred */
> -#define LE_T1_SOP 0x02 /* Start of Packet */
> -#define LE_T1_EOP 0x01 /* End of Packet */
> -#define LE_T1_POK 0x03 /* Packet is complete: SOP + EOP */
> -
> -/*
> - * Error Flags
> - */
> -#define LE_T3_BUF 0x8000 /* Buffer Error */
> -#define LE_T3_UFL 0x4000 /* Underflow Error */
> -#define LE_T3_LCOL 0x1000 /* Late Collision */
> -#define LE_T3_CLOS 0x0800 /* Loss of Carrier */
> -#define LE_T3_RTY 0x0400 /* Retry Error */
> -#define LE_T3_TDR 0x03ff /* Time Domain Reflectometry */
> -
> -/* Miscellaneous useful macros */
> -
> -#define TX_BUFFS_AVAIL ((lp->tx_old <= lp->tx_new) ? \
> - lp->tx_old + lp->tx_ring_mod_mask - lp->tx_new : \
> - lp->tx_old - lp->tx_new - 1)
> -
> -/* The LANCE only uses 24 bit addresses. This does the obvious thing. */
> -#define LANCE_ADDR(x) ((int)(x) & ~0xff000000)
> -
> -/* Now the prototypes we export */
> -int lance_open(struct net_device *dev);
> -int lance_close(struct net_device *dev);
> -netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev);
> -void lance_set_multicast(struct net_device *dev);
> -void lance_tx_timeout(struct net_device *dev, unsigned int txqueue);
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> -void lance_poll(struct net_device *dev);
> -#endif
> -
> -#endif /* ndef _7990_H */
> diff --git a/drivers/net/ethernet/amd/Kconfig b/drivers/net/ethernet/amd/Kconfig
> index 45e8d698781c..9e83f3aa435a 100644
> --- a/drivers/net/ethernet/amd/Kconfig
> +++ b/drivers/net/ethernet/amd/Kconfig
> @@ -93,14 +93,6 @@ config DECLANCE
> DEC (now Compaq) based on the AMD LANCE chipset, including the
> DEPCA series. (This chipset is better known via the NE2100 cards.)
>
> -config HPLANCE
> - tristate "HP on-board LANCE support"
> - depends on DIO
> - select CRC32
> - help
> - If you want to use the builtin "LANCE" Ethernet controller on an
> - HP300 machine, say Y here.
> -
> config MIPS_AU1X00_ENET
> tristate "MIPS AU1000 Ethernet support"
> depends on MIPS_ALCHEMY
> @@ -110,16 +102,6 @@ config MIPS_AU1X00_ENET
> If you have an Alchemy Semi AU1X00 based system
> say Y. Otherwise, say N.
>
> -config MVME147_NET
> - tristate "MVME147 (LANCE) Ethernet support"
> - depends on MVME147
> - select CRC32
> - help
> - Support for the on-board Ethernet interface on the Motorola MVME147
> - single-board computer. Say Y here to include the
> - driver for this chip in your kernel.
> - To compile this driver as a module, choose M here.
> -
> config PCMCIA_NMCLAN
> tristate "New Media PCMCIA support"
> depends on PCMCIA && HAS_IOPORT
> diff --git a/drivers/net/ethernet/amd/Makefile b/drivers/net/ethernet/amd/Makefile
> index 2dcfb84731e1..387ec74e8e95 100644
> --- a/drivers/net/ethernet/amd/Makefile
> +++ b/drivers/net/ethernet/amd/Makefile
> @@ -8,10 +8,8 @@ obj-$(CONFIG_AMD8111_ETH) += amd8111e.o
> obj-$(CONFIG_ARIADNE) += ariadne.o
> obj-$(CONFIG_ATARILANCE) += atarilance.o
> obj-$(CONFIG_DECLANCE) += declance.o
> -obj-$(CONFIG_HPLANCE) += hplance.o 7990.o
> obj-$(CONFIG_LANCE) += lance.o
> obj-$(CONFIG_MIPS_AU1X00_ENET) += au1000_eth.o
> -obj-$(CONFIG_MVME147_NET) += mvme147.o 7990.o
> obj-$(CONFIG_PCMCIA_NMCLAN) += nmclan_cs.o
> obj-$(CONFIG_PCNET32) += pcnet32.o
> obj-$(CONFIG_SUN3LANCE) += sun3lance.o
> diff --git a/drivers/net/ethernet/amd/hplance.c b/drivers/net/ethernet/amd/hplance.c
> deleted file mode 100644
> index df42294530cb..000000000000
> --- a/drivers/net/ethernet/amd/hplance.c
> +++ /dev/null
> @@ -1,238 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/* hplance.c : the Linux/hp300/lance ethernet driver
> - *
> - * Copyright (C) 05/1998 Peter Maydell <pmaydell@xxxxxxxxxxxxxxxxxxxxxx>
> - * Based on the Sun Lance driver and the NetBSD HP Lance driver
> - * Uses the generic 7990.c LANCE code.
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/types.h>
> -#include <linux/interrupt.h>
> -#include <linux/ioport.h>
> -#include <linux/string.h>
> -#include <linux/delay.h>
> -#include <linux/init.h>
> -#include <linux/errno.h>
> -#include <linux/pgtable.h>
> -/* Used for the temporal inet entries and routing */
> -#include <linux/socket.h>
> -#include <linux/route.h>
> -#include <linux/dio.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/skbuff.h>
> -
> -#include <asm/io.h>
> -
> -#include "hplance.h"
> -
> -/* We have 16392 bytes of RAM for the init block and buffers. This places
> - * an upper limit on the number of buffers we can use. NetBSD uses 8 Rx
> - * buffers and 2 Tx buffers, it takes (8 + 2) * 1544 bytes.
> - */
> -#define LANCE_LOG_TX_BUFFERS 1
> -#define LANCE_LOG_RX_BUFFERS 3
> -
> -#include "7990.h" /* use generic LANCE code */
> -
> -/* Our private data structure */
> -struct hplance_private {
> - struct lance_private lance;
> -};
> -
> -/* function prototypes... This is easy because all the grot is in the
> - * generic LANCE support. All we have to support is probing for boards,
> - * plus board-specific init, open and close actions.
> - * Oh, and we need to tell the generic code how to read and write LANCE registers...
> - */
> -static int hplance_init_one(struct dio_dev *d, const struct dio_device_id *ent);
> -static void hplance_init(struct net_device *dev, struct dio_dev *d);
> -static void hplance_remove_one(struct dio_dev *d);
> -static void hplance_writerap(void *priv, unsigned short value);
> -static void hplance_writerdp(void *priv, unsigned short value);
> -static unsigned short hplance_readrdp(void *priv);
> -static int hplance_open(struct net_device *dev);
> -static int hplance_close(struct net_device *dev);
> -
> -static struct dio_device_id hplance_dio_tbl[] = {
> - { DIO_ID_LAN },
> - { 0 }
> -};
> -
> -static struct dio_driver hplance_driver = {
> - .name = "hplance",
> - .id_table = hplance_dio_tbl,
> - .probe = hplance_init_one,
> - .remove = hplance_remove_one,
> -};
> -
> -static const struct net_device_ops hplance_netdev_ops = {
> - .ndo_open = hplance_open,
> - .ndo_stop = hplance_close,
> - .ndo_start_xmit = lance_start_xmit,
> - .ndo_set_rx_mode = lance_set_multicast,
> - .ndo_validate_addr = eth_validate_addr,
> - .ndo_set_mac_address = eth_mac_addr,
> -#ifdef CONFIG_NET_POLL_CONTROLLER
> - .ndo_poll_controller = lance_poll,
> -#endif
> -};
> -
> -/* Find all the HP Lance boards and initialise them... */
> -static int hplance_init_one(struct dio_dev *d, const struct dio_device_id *ent)
> -{
> - struct net_device *dev;
> - int err = -ENOMEM;
> -
> - dev = alloc_etherdev(sizeof(struct hplance_private));
> - if (!dev)
> - goto out;
> -
> - err = -EBUSY;
> - if (!request_mem_region(dio_resource_start(d),
> - dio_resource_len(d), d->name))
> - goto out_free_netdev;
> -
> - hplance_init(dev, d);
> - err = register_netdev(dev);
> - if (err)
> - goto out_release_mem_region;
> -
> - dio_set_drvdata(d, dev);
> -
> - printk(KERN_INFO "%s: %s; select code %d, addr %pM, irq %d\n",
> - dev->name, d->name, d->scode, dev->dev_addr, d->ipl);
> -
> - return 0;
> -
> - out_release_mem_region:
> - release_mem_region(dio_resource_start(d), dio_resource_len(d));
> - out_free_netdev:
> - free_netdev(dev);
> - out:
> - return err;
> -}
> -
> -static void hplance_remove_one(struct dio_dev *d)
> -{
> - struct net_device *dev = dio_get_drvdata(d);
> -
> - unregister_netdev(dev);
> - release_mem_region(dio_resource_start(d), dio_resource_len(d));
> - free_netdev(dev);
> -}
> -
> -/* Initialise a single lance board at the given DIO device */
> -static void hplance_init(struct net_device *dev, struct dio_dev *d)
> -{
> - unsigned long va = (d->resource.start + DIO_VIRADDRBASE);
> - struct hplance_private *lp;
> - u8 addr[ETH_ALEN];
> - int i;
> -
> - /* reset the board */
> - out_8(va + DIO_IDOFF, 0xff);
> - udelay(100); /* ariba! ariba! udelay! udelay! */
> -
> - /* Fill the dev fields */
> - dev->base_addr = va;
> - dev->netdev_ops = &hplance_netdev_ops;
> - dev->dma = 0;
> -
> - for (i = 0; i < 6; i++) {
> - /* The NVRAM holds our ethernet address, one nibble per byte,
> - * at bytes NVRAMOFF+1,3,5,7,9...
> - */
> - addr[i] = ((in_8(va + HPLANCE_NVRAMOFF + i*4 + 1) & 0xF) << 4)
> - | (in_8(va + HPLANCE_NVRAMOFF + i*4 + 3) & 0xF);
> - }
> - eth_hw_addr_set(dev, addr);
> -
> - lp = netdev_priv(dev);
> - lp->lance.name = d->name;
> - lp->lance.base = va;
> - lp->lance.init_block = (struct lance_init_block *)(va + HPLANCE_MEMOFF); /* CPU addr */
> - lp->lance.lance_init_block = NULL; /* LANCE addr of same RAM */
> - lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */
> - lp->lance.irq = d->ipl;
> - lp->lance.writerap = hplance_writerap;
> - lp->lance.writerdp = hplance_writerdp;
> - lp->lance.readrdp = hplance_readrdp;
> - lp->lance.lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
> - lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
> - lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
> - lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
> -}
> -
> -/* This is disgusting. We have to check the DIO status register for ack every
> - * time we read or write the LANCE registers.
> - */
> -static void hplance_writerap(void *priv, unsigned short value)
> -{
> - struct lance_private *lp = (struct lance_private *)priv;
> -
> - do {
> - out_be16(lp->base + HPLANCE_REGOFF + LANCE_RAP, value);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> -}
> -
> -static void hplance_writerdp(void *priv, unsigned short value)
> -{
> - struct lance_private *lp = (struct lance_private *)priv;
> -
> - do {
> - out_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP, value);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> -}
> -
> -static unsigned short hplance_readrdp(void *priv)
> -{
> - struct lance_private *lp = (struct lance_private *)priv;
> - __u16 value;
> -
> - do {
> - value = in_be16(lp->base + HPLANCE_REGOFF + LANCE_RDP);
> - } while ((in_8(lp->base + HPLANCE_STATUS) & LE_ACK) == 0);
> - return value;
> -}
> -
> -static int hplance_open(struct net_device *dev)
> -{
> - int status;
> - struct lance_private *lp = netdev_priv(dev);
> -
> - status = lance_open(dev); /* call generic lance open code */
> - if (status)
> - return status;
> - /* enable interrupts at board level. */
> - out_8(lp->base + HPLANCE_STATUS, LE_IE);
> -
> - return 0;
> -}
> -
> -static int hplance_close(struct net_device *dev)
> -{
> - struct lance_private *lp = netdev_priv(dev);
> -
> - out_8(lp->base + HPLANCE_STATUS, 0); /* disable interrupts at boardlevel */
> - lance_close(dev);
> - return 0;
> -}
> -
> -static int __init hplance_init_module(void)
> -{
> - return dio_register_driver(&hplance_driver);
> -}
> -
> -static void __exit hplance_cleanup_module(void)
> -{
> - dio_unregister_driver(&hplance_driver);
> -}
> -
> -module_init(hplance_init_module);
> -module_exit(hplance_cleanup_module);
> -
> -MODULE_DESCRIPTION("HP300 on-board LANCE Ethernet driver");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/net/ethernet/amd/hplance.h b/drivers/net/ethernet/amd/hplance.h
> deleted file mode 100644
> index bc845a2c60c1..000000000000
> --- a/drivers/net/ethernet/amd/hplance.h
> +++ /dev/null
> @@ -1,27 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/* Random defines and structures for the HP Lance driver.
> - * Copyright (C) 05/1998 Peter Maydell <pmaydell@xxxxxxxxxxxxxxxxxxxxxx>
> - * Based on the Sun Lance driver and the NetBSD HP Lance driver
> - */
> -
> -/* Registers */
> -#define HPLANCE_ID 0x01 /* DIO register: ID byte */
> -#define HPLANCE_STATUS 0x03 /* DIO register: interrupt enable/status */
> -
> -/* Control and status bits for the status register */
> -#define LE_IE 0x80 /* interrupt enable */
> -#define LE_IR 0x40 /* interrupt requested */
> -#define LE_LOCK 0x08 /* lock status register */
> -#define LE_ACK 0x04 /* ack of lock */
> -#define LE_JAB 0x02 /* loss of tx clock (???) */
> -/* We can also extract the IPL from the status register with the standard
> - * DIO_IPL(hplance) macro, or using dio_scodetoipl()
> - */
> -
> -/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
> - * memory and NVRAM:
> - */
> -#define HPLANCE_IDOFF 0 /* board baseaddr */
> -#define HPLANCE_REGOFF 0x4000 /* lance registers */
> -#define HPLANCE_MEMOFF 0x8000 /* struct lance_init_block */
> -#define HPLANCE_NVRAMOFF 0xC008 /* etheraddress as one *nibble* per byte */
> diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c
> deleted file mode 100644
> index f19b04b92fa9..000000000000
> --- a/drivers/net/ethernet/amd/mvme147.c
> +++ /dev/null
> @@ -1,198 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/* mvme147.c : the Linux/mvme147/lance ethernet driver
> - *
> - * Copyright (C) 05/1998 Peter Maydell <pmaydell@xxxxxxxxxxxxxxxxxxxxxx>
> - * Based on the Sun Lance driver and the NetBSD HP Lance driver
> - * Uses the generic 7990.c LANCE code.
> - */
> -
> -#include <linux/module.h>
> -#include <linux/kernel.h>
> -#include <linux/types.h>
> -#include <linux/interrupt.h>
> -#include <linux/ioport.h>
> -#include <linux/string.h>
> -#include <linux/delay.h>
> -#include <linux/init.h>
> -#include <linux/errno.h>
> -#include <linux/gfp.h>
> -#include <linux/pgtable.h>
> -/* Used for the temporal inet entries and routing */
> -#include <linux/socket.h>
> -#include <linux/route.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/skbuff.h>
> -
> -#include <asm/io.h>
> -#include <asm/mvme147hw.h>
> -
> -/* We have 32K of RAM for the init block and buffers. This places
> - * an upper limit on the number of buffers we can use. NetBSD uses 8 Rx
> - * buffers and 2 Tx buffers, it takes (8 + 2) * 1544 bytes.
> - */
> -#define LANCE_LOG_TX_BUFFERS 1
> -#define LANCE_LOG_RX_BUFFERS 3
> -
> -#include "7990.h" /* use generic LANCE code */
> -
> -/* Our private data structure */
> -struct m147lance_private {
> - struct lance_private lance;
> - unsigned long ram;
> -};
> -
> -/* function prototypes... This is easy because all the grot is in the
> - * generic LANCE support. All we have to support is probing for boards,
> - * plus board-specific init, open and close actions.
> - * Oh, and we need to tell the generic code how to read and write LANCE registers...
> - */
> -static int m147lance_open(struct net_device *dev);
> -static int m147lance_close(struct net_device *dev);
> -static void m147lance_writerap(struct lance_private *lp, unsigned short value);
> -static void m147lance_writerdp(struct lance_private *lp, unsigned short value);
> -static unsigned short m147lance_readrdp(struct lance_private *lp);
> -
> -typedef void (*writerap_t)(void *, unsigned short);
> -typedef void (*writerdp_t)(void *, unsigned short);
> -typedef unsigned short (*readrdp_t)(void *);
> -
> -static const struct net_device_ops lance_netdev_ops = {
> - .ndo_open = m147lance_open,
> - .ndo_stop = m147lance_close,
> - .ndo_start_xmit = lance_start_xmit,
> - .ndo_set_rx_mode = lance_set_multicast,
> - .ndo_tx_timeout = lance_tx_timeout,
> - .ndo_validate_addr = eth_validate_addr,
> - .ndo_set_mac_address = eth_mac_addr,
> -};
> -
> -/* Initialise the one and only on-board 7990 */
> -static struct net_device * __init mvme147lance_probe(void)
> -{
> - struct net_device *dev;
> - static int called;
> - static const char name[] = "MVME147 LANCE";
> - struct m147lance_private *lp;
> - u8 macaddr[ETH_ALEN];
> - u_long *addr;
> - u_long address;
> - int err;
> -
> - if (!MACH_IS_MVME147 || called)
> - return ERR_PTR(-ENODEV);
> - called++;
> -
> - dev = alloc_etherdev(sizeof(struct m147lance_private));
> - if (!dev)
> - return ERR_PTR(-ENOMEM);
> -
> - /* Fill the dev fields */
> - dev->base_addr = (unsigned long)MVME147_LANCE_BASE;
> - dev->netdev_ops = &lance_netdev_ops;
> - dev->dma = 0;
> -
> - addr = (u_long *)ETHERNET_ADDRESS;
> - address = *addr;
> - macaddr[0] = 0x08;
> - macaddr[1] = 0x00;
> - macaddr[2] = 0x3e;
> - address = address >> 8;
> - macaddr[5] = address&0xff;
> - address = address >> 8;
> - macaddr[4] = address&0xff;
> - address = address >> 8;
> - macaddr[3] = address&0xff;
> - eth_hw_addr_set(dev, macaddr);
> -
> - lp = netdev_priv(dev);
> - lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 32K */
> - if (!lp->ram) {
> - printk("%s: No memory for LANCE buffers\n", dev->name);
> - free_netdev(dev);
> - return ERR_PTR(-ENOMEM);
> - }
> -
> - lp->lance.name = name;
> - lp->lance.base = dev->base_addr;
> - lp->lance.init_block = (struct lance_init_block *)(lp->ram); /* CPU addr */
> - lp->lance.lance_init_block = (struct lance_init_block *)(lp->ram); /* LANCE addr of same RAM */
> - lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */
> - lp->lance.irq = MVME147_LANCE_IRQ;
> - lp->lance.writerap = (writerap_t)m147lance_writerap;
> - lp->lance.writerdp = (writerdp_t)m147lance_writerdp;
> - lp->lance.readrdp = (readrdp_t)m147lance_readrdp;
> - lp->lance.lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS;
> - lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS;
> - lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK;
> - lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK;
> -
> - err = register_netdev(dev);
> - if (err) {
> - free_pages(lp->ram, 3);
> - free_netdev(dev);
> - return ERR_PTR(err);
> - }
> -
> - netdev_info(dev, "MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n",
> - dev->base_addr, MVME147_LANCE_IRQ, dev->dev_addr);
> -
> - return dev;
> -}
> -
> -static void m147lance_writerap(struct lance_private *lp, unsigned short value)
> -{
> - out_be16(lp->base + LANCE_RAP, value);
> -}
> -
> -static void m147lance_writerdp(struct lance_private *lp, unsigned short value)
> -{
> - out_be16(lp->base + LANCE_RDP, value);
> -}
> -
> -static unsigned short m147lance_readrdp(struct lance_private *lp)
> -{
> - return in_be16(lp->base + LANCE_RDP);
> -}
> -
> -static int m147lance_open(struct net_device *dev)
> -{
> - int status;
> -
> - status = lance_open(dev); /* call generic lance open code */
> - if (status)
> - return status;
> - /* enable interrupts at board level. */
> - m147_pcc->lan_cntrl = 0; /* clear the interrupts (if any) */
> - m147_pcc->lan_cntrl = 0x08 | 0x04; /* Enable irq 4 */
> -
> - return 0;
> -}
> -
> -static int m147lance_close(struct net_device *dev)
> -{
> - /* disable interrupts at boardlevel */
> - m147_pcc->lan_cntrl = 0x0; /* disable interrupts */
> - lance_close(dev);
> - return 0;
> -}
> -
> -MODULE_DESCRIPTION("MVME147 LANCE Ethernet driver");
> -MODULE_LICENSE("GPL");
> -
> -static struct net_device *dev_mvme147_lance;
> -static int __init m147lance_init(void)
> -{
> - dev_mvme147_lance = mvme147lance_probe();
> - return PTR_ERR_OR_ZERO(dev_mvme147_lance);
> -}
> -module_init(m147lance_init);
> -
> -static void __exit m147lance_exit(void)
> -{
> - struct m147lance_private *lp = netdev_priv(dev_mvme147_lance);
> - unregister_netdev(dev_mvme147_lance);
> - free_pages(lp->ram, 3);
> - free_netdev(dev_mvme147_lance);
> -}
> -module_exit(m147lance_exit);
>
> --
> 2.53.0
>
>