The cirrus ep93xx is an ARM SoC that includes an ethernet MAC --
this patch adds a driver for that ethernet MAC.
Signed-off-by: Lennert Buytenhek <[EMAIL PROTECTED]>
(This is, unfortunately, probably too late for 2.6.18, so I'm sending
it just for feedback.)
Index: linux-2.6.17-git5/drivers/net/arm/Kconfig
===================================================================
--- linux-2.6.17-git5.orig/drivers/net/arm/Kconfig
+++ linux-2.6.17-git5/drivers/net/arm/Kconfig
@@ -39,3 +39,10 @@ config ARM_AT91_ETHER
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 NET_ETHERNET && ARM && ARCH_EP93XX
+ 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.
Index: linux-2.6.17-git5/drivers/net/arm/Makefile
===================================================================
--- linux-2.6.17-git5.orig/drivers/net/arm/Makefile
+++ linux-2.6.17-git5/drivers/net/arm/Makefile
@@ -8,3 +8,4 @@ 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
Index: linux-2.6.17-git5/drivers/net/arm/ep93xx_eth.c
===================================================================
--- /dev/null
+++ linux-2.6.17-git5/drivers/net/arm/ep93xx_eth.c
@@ -0,0 +1,672 @@
+/*
+ * EP93xx ethernet network device driver
+ * Copyright (C) 2006 Lennert Buytenhek <[EMAIL PROTECTED]>
+ * 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/config.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <asm/arch/ep93xx-regs.h>
+#include <asm/arch/platform.h>
+#include <asm/io.h>
+#include "ep93xx_eth.h"
+
+#define DRV_MODULE_VERSION "0.1"
+
+#define RX_QUEUE_ENTRIES 64
+#define TX_QUEUE_ENTRIES 8
+
+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];
+
+ int rx_pointer;
+ int tx_clean_pointer;
+ int tx_pointer;
+ int tx_pending;
+
+ struct net_device_stats stats;
+};
+
+#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_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ int entry;
+
+ if (unlikely(skb->len) > PAGE_SIZE) {
+ ep->stats.tx_dropped++;
+ dev_kfree_skb(skb);
+ return 0;
+ }
+
+ entry = ep->tx_pointer;
+ ep->tx_pointer = (ep->tx_pointer + 1) % TX_QUEUE_ENTRIES;
+
+ 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;
+
+ local_irq_disable();
+ ep->tx_pending++;
+ if (ep->tx_pending == TX_QUEUE_ENTRIES)
+ netif_stop_queue(dev);
+ local_irq_enable();
+
+ wrl(ep, 0x00bc, 1);
+
+ return 0;
+}
+
+static int ep93xx_rx(struct net_device *dev, int *budget)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ int tail_offset;
+ int rx_done;
+ int processed;
+
+ tail_offset = rdl(ep, 0x00a8) - ep->descs_dma_addr;
+
+ rx_done = 0;
+ processed = 0;
+ while (*budget > 0) {
+ 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;
+ if ((void *)rstat - (void *)ep->descs == tail_offset) {
+ rx_done = 1;
+ break;
+ }
+
+ rstat0 = rstat->rstat0;
+ rstat1 = rstat->rstat1;
+ rstat->rstat0 = 0;
+ rstat->rstat1 = 0;
+
+ if (!(rstat0 & RSTAT0_RFP)) {
+ printk(KERN_CRIT "ep93xx_rx: buffer not done "
+ " %.8x %.8x\n", rstat0, rstat1);
+ BUG();
+ }
+ if (!(rstat0 & RSTAT0_EOF)) {
+ printk(KERN_CRIT "ep93xx_rx: not end-of-frame "
+ " %.8x %.8x\n", rstat0, rstat1);
+ BUG();
+ }
+ if (!(rstat0 & RSTAT0_EOB)) {
+ printk(KERN_CRIT "ep93xx_rx: not end-of-buffer "
+ " %.8x %.8x\n", rstat0, rstat1);
+ BUG();
+ }
+ if (!(rstat1 & RSTAT1_RFP)) {
+ printk(KERN_CRIT "ep93xx_rx: buffer1 not done "
+ " %.8x %.8x\n", rstat0, rstat1);
+ BUG();
+ }
+ if ((rstat1 & RSTAT1_BUFFER_INDEX) >> 16 != entry) {
+ printk(KERN_INFO "ep93xx_rx: entry mismatch "
+ " %.8x %.8x\n", rstat0, rstat1);
+ BUG();
+ }
+
+ if (!(rstat0 & RSTAT0_RWE)) {
+ printk(KERN_NOTICE "ep93xx_rx: receive error "
+ " %.8x %.8x\n", rstat0, rstat1);
+
+ 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 < 4 || length > PAGE_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->dev = dev;
+ skb_reserve(skb, 2);
+ dma_sync_single(NULL, ep->descs->rdesc[entry].buf_addr,
+ length, DMA_FROM_DEVICE);
+ eth_copy_and_sum(skb, ep->rx_buf[entry], length, 0);
+ 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;
+ processed++;
+ dev->quota--;
+ (*budget)--;
+ }
+
+ if (processed) {
+ wrw(ep, 0x009c, processed);
+ wrw(ep, 0x00ac, processed);
+ }
+
+ return !rx_done;
+}
+
+static int ep93xx_have_more_rx(struct ep93xx_priv *ep)
+{
+ struct ep93xx_rstat *rstat;
+ int tail_offset;
+
+ rstat = ep->descs->rstat + ep->rx_pointer;
+ tail_offset = rdl(ep, 0x00a8) - ep->descs_dma_addr;
+
+ return !((void *)rstat - (void *)ep->descs == tail_offset);
+}
+
+static int ep93xx_poll(struct net_device *dev, int *budget)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+
+ /* @@@ Have to stop polling when device is downed while we
+ * are polling. */
+
+ wrl(ep, 0x0028, 0x00000004);
+
+poll_some_more:
+ if (ep93xx_rx(dev, budget))
+ return 1;
+
+ netif_rx_complete(dev);
+
+ local_irq_disable();
+ wrl(ep, 0x0024, 0x0000000f);
+ if (ep93xx_have_more_rx(ep)) {
+ wrl(ep, 0x0024, 0x00000008);
+ wrl(ep, 0x0028, 0x00000004);
+ local_irq_enable();
+
+ if (netif_rx_reschedule(dev, 0))
+ goto poll_some_more;
+
+ return 0;
+ }
+ local_irq_enable();
+
+ return 0;
+}
+
+static void ep93xx_tx_complete(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ int tail_offset;
+ int wake;
+
+ tail_offset = rdl(ep, 0x00c8) - ep->descs_dma_addr;
+
+ wake = 0;
+ while (1) {
+ int entry;
+ struct ep93xx_tstat *tstat;
+ u32 tstat0;
+
+ entry = ep->tx_clean_pointer;
+ tstat = ep->descs->tstat + entry;
+ if ((void *)tstat - (void *)ep->descs == tail_offset)
+ break;
+
+ tstat0 = tstat->tstat0;
+ tstat->tstat0 = 0;
+
+ if (!(tstat0 & TSTAT0_TXFP)) {
+ printk(KERN_CRIT "ep93xx_tx_complete: buffer not done "
+ " %.8x\n", tstat0);
+ BUG();
+ }
+ if (tstat0 & TSTAT0_FA) {
+ printk(KERN_CRIT "ep93xx_tx_complete: frame aborted "
+ " %.8x\n", tstat0);
+ BUG();
+ }
+ if ((tstat0 & TSTAT0_BUFFER_INDEX) != entry) {
+ printk(KERN_INFO "ep93xx_tx_complete: entry mismatch "
+ " %.8x\n", tstat0);
+ BUG();
+ }
+
+ 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_LCRS)
+ ep->stats.tx_carrier_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;
+ if (ep->tx_pending == TX_QUEUE_ENTRIES)
+ wake = 1;
+ ep->tx_pending--;
+ }
+
+ if (wake)
+ netif_wake_queue(dev);
+}
+
+static irqreturn_t ep93xx_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct net_device *dev = dev_id;
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ u32 status;
+
+ status = rdl(ep, 0x0028);
+ if (status == 0)
+ return IRQ_NONE;
+
+ if (status & 0x00000004) {
+ if (likely(__netif_rx_schedule_prep(dev))) {
+ wrl(ep, 0x0024, 0x00000008);
+ __netif_rx_schedule(dev);
+ }
+ }
+
+ if (status & 0x00000008) {
+ wrl(ep, 0x0028, 0x00000008);
+ 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++) {
+ 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++) {
+ 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);
+}
+
+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++) {
+ void *page;
+ dma_addr_t d;
+
+ page = (void *)get_zeroed_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) | PAGE_SIZE;
+ }
+
+ for (i = 0; i < TX_QUEUE_ENTRIES; i++) {
+ void *page;
+ dma_addr_t d;
+
+ page = (void *)get_zeroed_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;
+ }
+
+ return 0;
+
+err:
+ ep93xx_free_buffers(ep);
+ return 1;
+}
+
+static void ep93xx_start_hw(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ unsigned long addr;
+
+ wrl(ep, 0x0020, 0x00000001);
+ while (rdl(ep, 0x0020) & 0x00000001)
+ ;
+
+ /* Receive descriptor ring. */
+ addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, rdesc);
+ wrl(ep, 0x0090, addr);
+ wrl(ep, 0x0098, addr);
+ wrw(ep, 0x0094, RX_QUEUE_ENTRIES * sizeof(struct ep93xx_rdesc));
+
+ /* Receive status ring. */
+ addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, rstat);
+ wrl(ep, 0x00a0, addr);
+ wrl(ep, 0x00a8, addr);
+ wrw(ep, 0x00a4, RX_QUEUE_ENTRIES * sizeof(struct ep93xx_rstat));
+
+ /* Transmit descriptor ring. */
+ addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, tdesc);
+ wrl(ep, 0x00b0, addr);
+ wrl(ep, 0x00b8, addr);
+ wrw(ep, 0x00b4, TX_QUEUE_ENTRIES * sizeof(struct ep93xx_tdesc));
+
+ /* Transmit status ring. */
+ addr = ep->descs_dma_addr + offsetof(struct ep93xx_descs, tstat);
+ wrl(ep, 0x00c0, addr);
+ wrl(ep, 0x00c8, addr);
+ wrw(ep, 0x00c4, TX_QUEUE_ENTRIES * sizeof(struct ep93xx_tstat));
+
+ wrl(ep, 0x0080, 0x00000101); // bmctl
+ wrl(ep, 0x0024, 0x0000000f); // inten
+ wrl(ep, 0x0064, 0x00000000); // gintmask
+ while (!(rdl(ep, 0x0084) & 0x00000008))
+ cpu_relax();
+ wrl(ep, 0x009c, RX_QUEUE_ENTRIES);
+ wrl(ep, 0x00ac, RX_QUEUE_ENTRIES);
+
+ wrb(ep, 0x0050, dev->dev_addr[0]);
+ wrb(ep, 0x0051, dev->dev_addr[1]);
+ wrb(ep, 0x0052, dev->dev_addr[2]);
+ wrb(ep, 0x0053, dev->dev_addr[3]);
+ wrb(ep, 0x0054, dev->dev_addr[4]);
+ wrb(ep, 0x0055, dev->dev_addr[5]);
+ wrl(ep, 0x004c, 0x00000000);
+
+ wrl(ep, 0x0000, 0x00073800);
+ wrl(ep, 0x0004, 0x00000001);
+}
+
+static void ep93xx_stop_hw(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+
+ wrl(ep, 0x0020, 0x00000001);
+ while (rdl(ep, 0x0020) & 0x00000001)
+ ;
+}
+
+static int ep93xx_open(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ int err;
+
+ if (ep93xx_alloc_buffers(ep))
+ return -ENOMEM;
+
+ ep93xx_start_hw(dev);
+ ep->rx_pointer = 0;
+ ep->tx_clean_pointer = 0;
+ ep->tx_pointer = 0;
+ ep->tx_pending = 0;
+
+ err = request_irq(ep->irq, ep93xx_irq, SA_SHIRQ, "ep93xx_eth", dev);
+ if (err) {
+ ep93xx_stop_hw(dev);
+ ep93xx_free_buffers(ep);
+ return err;
+ }
+
+ wrl(ep, 0x0064, 0x00008000); // gintmask
+
+ netif_start_queue(dev);
+
+ return 0;
+}
+
+static int ep93xx_close(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+
+ netif_stop_queue(dev);
+
+ wrl(ep, 0x0064, 0x00000000); // gintmask
+ free_irq(ep->irq, dev);
+ ep93xx_stop_hw(dev);
+ ep93xx_free_buffers(ep);
+
+ return 0;
+}
+
+static struct net_device_stats *ep93xx_get_stats(struct net_device *dev)
+{
+ struct ep93xx_priv *ep = netdev_priv(dev);
+ return &(ep->stats);
+}
+
+struct net_device *ep93xx_dev_alloc(struct ep93xx_eth_data *data)
+{
+ struct net_device *dev;
+ struct ep93xx_priv *ep;
+
+ dev = alloc_etherdev(sizeof(struct ep93xx_priv));
+ if (dev == NULL)
+ return NULL;
+ ep = netdev_priv(dev);
+
+ memcpy(dev->dev_addr, data->dev_addr, ETH_ALEN);
+
+ dev->hard_start_xmit = ep93xx_xmit;
+ dev->poll = ep93xx_poll;
+ dev->open = ep93xx_open;
+ dev->stop = ep93xx_close;
+ dev->get_stats = ep93xx_get_stats;
+
+ dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
+ dev->weight = 64;
+
+ 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;
+
+ data = pdev->dev.platform_data;
+ if (pdev == NULL)
+ return -ENODEV;
+
+ printk(KERN_INFO "ep93xx-eth " DRV_MODULE_VERSION " loading\n");
+
+ dev = ep93xx_dev_alloc(data);
+ if (dev == NULL) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ ep = netdev_priv(dev);
+
+ 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;
+
+ err = register_netdev(dev);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to register netdev\n");
+ goto err_out;
+ }
+
+ 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)
+{
+ 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");
Index: linux-2.6.17-git5/drivers/net/arm/ep93xx_eth.h
===================================================================
--- /dev/null
+++ linux-2.6.17-git5/drivers/net/arm/ep93xx_eth.h
@@ -0,0 +1,75 @@
+/*
+ * EP93xx ethernet network device driver
+ * Copyright (C) 2006 Lennert Buytenhek <[EMAIL PROTECTED]>
+ * 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.
+ */
+
+#ifndef __EP93XX_ETH_H
+#define __EP93XX_ETH_H
+
+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
+
+
+#endif
Index: linux-2.6.17-git5/include/asm-arm/arch-ep93xx/ep93xx-regs.h
===================================================================
--- linux-2.6.17-git5.orig/include/asm-arm/arch-ep93xx/ep93xx-regs.h
+++ linux-2.6.17-git5/include/asm-arm/arch-ep93xx/ep93xx-regs.h
@@ -27,6 +27,7 @@
#define EP93XX_DMA_BASE (EP93XX_AHB_VIRT_BASE +
0x00000000)
#define EP93XX_ETHERNET_BASE (EP93XX_AHB_VIRT_BASE + 0x00010000)
+#define EP93XX_ETHERNET_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00010000)
#define EP93XX_USB_BASE (EP93XX_AHB_VIRT_BASE +
0x00020000)
#define EP93XX_USB_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00020000)
Index: linux-2.6.17-git5/include/asm-arm/arch-ep93xx/platform.h
===================================================================
--- linux-2.6.17-git5.orig/include/asm-arm/arch-ep93xx/platform.h
+++ linux-2.6.17-git5/include/asm-arm/arch-ep93xx/platform.h
@@ -16,5 +16,10 @@ struct ep93xx_i2c_pins {
unsigned long scl_pin;
};
+struct ep93xx_eth_data
+{
+ unsigned char dev_addr[6];
+};
+
#endif
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
