ifxmips: fold files/drivers/* into patches

SVN-Revision: 18082

1 files changed, 400 insertions, 6 deletions

diff --git a/target/linux/ifxmips/patches-2.6.30/130-ethernet.patch b/target/linux/ifxmips/patches-2.6.30/130-ethernet.patch
index da87bb78c5..b49589dd94 100644
--- a/target/linux/ifxmips/patches-2.6.30/130-ethernet.patch
+++ b/target/linux/ifxmips/patches-2.6.30/130-ethernet.patch
@@ -1,7 +1,7 @@
-Index: linux-2.6.30.5/drivers/net/Kconfig
+Index: linux-2.6.30.8/drivers/net/Kconfig
 ===================================================================
---- linux-2.6.30.5.orig/drivers/net/Kconfig	2009-09-02 18:22:49.000000000 +0200
-+++ linux-2.6.30.5/drivers/net/Kconfig	2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/net/Kconfig	2009-10-19 21:31:30.000000000 +0200
++++ linux-2.6.30.8/drivers/net/Kconfig	2009-10-19 21:31:32.000000000 +0200
 @@ -353,6 +353,12 @@
  
  source "drivers/net/arm/Kconfig"
@@ -15,10 +15,10 @@ Index: linux-2.6.30.5/drivers/net/Kconfig
  config AX88796
  	tristate "ASIX AX88796 NE2000 clone support"
  	depends on ARM || MIPS || SUPERH
-Index: linux-2.6.30.5/drivers/net/Makefile
+Index: linux-2.6.30.8/drivers/net/Makefile
 ===================================================================
---- linux-2.6.30.5.orig/drivers/net/Makefile	2009-09-02 18:22:49.000000000 +0200
-+++ linux-2.6.30.5/drivers/net/Makefile	2009-09-02 18:30:37.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/net/Makefile	2009-10-19 21:31:30.000000000 +0200
++++ linux-2.6.30.8/drivers/net/Makefile	2009-10-19 21:31:32.000000000 +0200
 @@ -234,6 +234,7 @@
  obj-$(CONFIG_MLX4_CORE) += mlx4/
  obj-$(CONFIG_ENC28J60) += enc28j60.o
@@ -27,3 +27,397 @@ Index: linux-2.6.30.5/drivers/net/Makefile
  
  obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
  
+Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/net/ifxmips_mii0.c	2009-10-19 21:41:10.000000000 +0200
+@@ -0,0 +1,389 @@
++/*
++ *   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.
++ *
++ *   This program is distributed in the hope that it will be useful,
++ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
++ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++ *   GNU General Public License for more details.
++ *
++ *   You should have received a copy of the GNU General Public License
++ *   along with this program; if not, write to the Free Software
++ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
++ *
++ *   Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
++ *   Copyright (C) 2008 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/kernel.h>
++#include <linux/slab.h>
++#include <linux/errno.h>
++#include <linux/types.h>
++#include <linux/interrupt.h>
++#include <linux/uaccess.h>
++#include <linux/in.h>
++#include <linux/netdevice.h>
++#include <linux/etherdevice.h>
++#include <linux/ip.h>
++#include <linux/tcp.h>
++#include <linux/skbuff.h>
++#include <linux/mm.h>
++#include <linux/platform_device.h>
++#include <linux/ethtool.h>
++#include <linux/init.h>
++#include <linux/delay.h>
++
++#include <asm/checksum.h>
++
++#include <ifxmips.h>
++#include <ifxmips_dma.h>
++#include <ifxmips_pmu.h>
++
++struct ifxmips_mii_priv {
++	struct net_device_stats stats;
++	struct dma_device_info *dma_device;
++	struct sk_buff *skb;
++};
++
++static struct net_device *ifxmips_mii0_dev;
++static unsigned char mac_addr[MAX_ADDR_LEN];
++
++void ifxmips_write_mdio(u32 phy_addr, u32 phy_reg, u16 phy_data)
++{
++	u32 val = MDIO_ACC_REQUEST |
++		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
++		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET) |
++		phy_data;
++
++	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
++		;
++	ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
++}
++EXPORT_SYMBOL(ifxmips_write_mdio);
++
++unsigned short ifxmips_read_mdio(u32 phy_addr, u32 phy_reg)
++{
++	u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ |
++		((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
++		((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET);
++
++	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
++		;
++	ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
++	while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
++		;
++	val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK;
++	return val;
++}
++EXPORT_SYMBOL(ifxmips_read_mdio);
++
++int ifxmips_ifxmips_mii_open(struct net_device *dev)
++{
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
++	struct dma_device_info *dma_dev = priv->dma_device;
++	int i;
++
++	for (i = 0; i < dma_dev->max_rx_chan_num; i++) {
++		if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
++			(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
++	}
++	netif_start_queue(dev);
++	return 0;
++}
++
++int ifxmips_mii_release(struct net_device *dev)
++{
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
++	struct dma_device_info *dma_dev = priv->dma_device;
++	int i;
++
++	for (i = 0; i < dma_dev->max_rx_chan_num; i++)
++		dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
++	netif_stop_queue(dev);
++	return 0;
++}
++
++int ifxmips_mii_hw_receive(struct net_device *dev, struct dma_device_info *dma_dev)
++{
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
++	unsigned char *buf = NULL;
++	struct sk_buff *skb = NULL;
++	int len = 0;
++
++	len = dma_device_read(dma_dev, &buf, (void **)&skb);
++
++	if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE) {
++		printk(KERN_INFO "ifxmips_mii0: packet too large %d\n", len);
++		goto ifxmips_mii_hw_receive_err_exit;
++	}
++
++	/* remove CRC */
++	len -= 4;
++	if (skb == NULL) {
++		printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n");
++		goto ifxmips_mii_hw_receive_err_exit;
++	}
++
++	if (len > (skb->end - skb->tail)) {
++		printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n",
++			(len+4), skb->end, skb->tail);
++		goto ifxmips_mii_hw_receive_err_exit;
++	}
++
++	skb_put(skb, len);
++	skb->dev = dev;
++	skb->protocol = eth_type_trans(skb, dev);
++	netif_rx(skb);
++
++	priv->stats.rx_packets++;
++	priv->stats.rx_bytes += len;
++	return 0;
++
++ifxmips_mii_hw_receive_err_exit:
++	if (len == 0) {
++		if (skb)
++			dev_kfree_skb_any(skb);
++		priv->stats.rx_errors++;
++		priv->stats.rx_dropped++;
++		return -EIO;
++	} else {
++		return len;
++	}
++}
++
++int ifxmips_mii_hw_tx(char *buf, int len, struct net_device *dev)
++{
++	int ret = 0;
++	struct ifxmips_mii_priv *priv = netdev_priv(dev);
++	struct dma_device_info *dma_dev = priv->dma_device;
++	ret = dma_device_write(dma_dev, buf, len, priv->skb);
++	return ret;
++}
++
++int ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev)
++{
++	int len;
++	char *data;
++	struct ifxmips_mii_priv *priv = netdev_priv(dev);
++	struct dma_device_info *dma_dev = priv->dma_device;
++
++	len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
++	data = skb->data;
++	priv->skb = skb;
++	dev->trans_start = jiffies;
++	/* TODO: we got more than 1 dma channel,
++	   so we should do something intelligent here to select one */
++	dma_dev->current_tx_chan = 0;
++
++	wmb();
++
++	if (ifxmips_mii_hw_tx(data, len, dev) != len) {
++		dev_kfree_skb_any(skb);
++		priv->stats.tx_errors++;
++		priv->stats.tx_dropped++;
++	} else {
++		priv->stats.tx_packets++;
++		priv->stats.tx_bytes += len;
++	}
++
++	return 0;
++}
++
++void ifxmips_mii_tx_timeout(struct net_device *dev)
++{
++	int i;
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
++
++	priv->stats.tx_errors++;
++	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
++		priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
++	netif_wake_queue(dev);
++	return;
++}
++
++int dma_intr_handler(struct dma_device_info *dma_dev, int status)
++{
++	int i;
++
++	switch (status) {
++	case RCV_INT:
++		ifxmips_mii_hw_receive(ifxmips_mii0_dev, dma_dev);
++		break;
++
++	case TX_BUF_FULL_INT:
++		printk(KERN_INFO "ifxmips_mii0: tx buffer full\n");
++		netif_stop_queue(ifxmips_mii0_dev);
++		for (i = 0; i < dma_dev->max_tx_chan_num; i++) {
++			if ((dma_dev->tx_chan[i])->control == IFXMIPS_DMA_CH_ON)
++				dma_dev->tx_chan[i]->enable_irq(dma_dev->tx_chan[i]);
++		}
++		break;
++
++	case TRANSMIT_CPT_INT:
++		for (i = 0; i < dma_dev->max_tx_chan_num; i++)
++			dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
++
++		netif_wake_queue(ifxmips_mii0_dev);
++		break;
++	}
++
++	return 0;
++}
++
++unsigned char *ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt)
++{
++	unsigned char *buffer = NULL;
++	struct sk_buff *skb = NULL;
++
++	skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
++	if (skb == NULL)
++		return NULL;
++
++	buffer = (unsigned char *)(skb->data);
++	skb_reserve(skb, 2);
++	*(int *)opt = (int)skb;
++	*byte_offset = 2;
++
++	return buffer;
++}
++
++void ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt)
++{
++	struct sk_buff *skb = NULL;
++
++	if (opt == NULL) {
++		kfree(dataptr);
++	} else {
++		skb = (struct sk_buff *)opt;
++		dev_kfree_skb_any(skb);
++	}
++}
++
++static struct net_device_stats *ifxmips_get_stats(struct net_device *dev)
++{
++	return &((struct ifxmips_mii_priv *)netdev_priv(dev))->stats;
++}
++
++static int ifxmips_mii_dev_init(struct net_device *dev)
++{
++	int i;
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
++	ether_setup(dev);
++	printk(KERN_INFO "ifxmips_mii0: %s is up\n", dev->name);
++	dev->open = ifxmips_ifxmips_mii_open;
++	dev->stop = ifxmips_mii_release;
++	dev->hard_start_xmit = ifxmips_mii_tx;
++	dev->get_stats = ifxmips_get_stats;
++	dev->tx_timeout = ifxmips_mii_tx_timeout;
++	dev->watchdog_timeo = 10 * HZ;
++	memset(priv, 0, sizeof(struct ifxmips_mii_priv));
++	priv->dma_device = dma_device_reserve("PPE");
++	if (!priv->dma_device) {
++		BUG();
++		return -ENODEV;
++	}
++	priv->dma_device->buffer_alloc = &ifxmips_etop_dma_buffer_alloc;
++	priv->dma_device->buffer_free = &ifxmips_etop_dma_buffer_free;
++	priv->dma_device->intr_handler = &dma_intr_handler;
++	priv->dma_device->max_rx_chan_num = 4;
++
++	for (i = 0; i < priv->dma_device->max_rx_chan_num; i++) {
++		priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
++		priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON;
++	}
++
++	for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
++		if (i == 0)
++			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON;
++		else
++			priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF;
++
++	dma_device_register(priv->dma_device);
++
++	printk(KERN_INFO "ifxmips_mii0: using mac=");
++	for (i = 0; i < 6; i++) {
++		dev->dev_addr[i] = mac_addr[i];
++		printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':'));
++	}
++	return 0;
++}
++
++static void ifxmips_mii_chip_init(int mode)
++{
++	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
++	ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE);
++
++	if (mode == REV_MII_MODE)
++		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
++	else if (mode == MII_MODE)
++		ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
++	ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL);
++	ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG);
++	wmb();
++}
++
++static int ifxmips_mii_probe(struct platform_device *dev)
++{
++	int result = 0;
++	unsigned char *mac = (unsigned char *)dev->dev.platform_data;
++	ifxmips_mii0_dev = alloc_etherdev(sizeof(struct ifxmips_mii_priv));
++	ifxmips_mii0_dev->init = ifxmips_mii_dev_init;
++	memcpy(mac_addr, mac, 6);
++	strcpy(ifxmips_mii0_dev->name, "eth%d");
++	ifxmips_mii_chip_init(REV_MII_MODE);
++	result = register_netdev(ifxmips_mii0_dev);
++	if (result) {
++		printk(KERN_INFO "ifxmips_mii0: error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name);
++		goto out;
++	}
++
++	printk(KERN_INFO "ifxmips_mii0: driver loaded!\n");
++
++out:
++	return result;
++}
++
++static int ifxmips_mii_remove(struct platform_device *dev)
++{
++	struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(ifxmips_mii0_dev);
++
++	printk(KERN_INFO "ifxmips_mii0: ifxmips_mii0 cleanup\n");
++
++	dma_device_unregister(priv->dma_device);
++	dma_device_release(priv->dma_device);
++	kfree(priv->dma_device);
++	unregister_netdev(ifxmips_mii0_dev);
++	return 0;
++}
++
++static struct platform_driver ifxmips_mii_driver = {
++	.probe = ifxmips_mii_probe,
++	.remove = ifxmips_mii_remove,
++	.driver = {
++		.name = "ifxmips_mii0",
++		.owner = THIS_MODULE,
++	},
++};
++
++int __init ifxmips_mii_init(void)
++{
++	int ret = platform_driver_register(&ifxmips_mii_driver);
++	if (ret)
++		printk(KERN_INFO "ifxmips_mii0: Error registering platfom driver!");
++	return ret;
++}
++
++static void __exit ifxmips_mii_cleanup(void)
++{
++	platform_driver_unregister(&ifxmips_mii_driver);
++}
++
++module_init(ifxmips_mii_init);
++module_exit(ifxmips_mii_cleanup);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("ethernet driver for IFXMIPS boards");
++