CONFIG_32BIT=y
# CONFIG_64BIT is not set
+CONFIG_ADM6996_PHY=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_ARCH_POPULATES_NODE_MAP=y
# CONFIG_ARCH_SUPPORTS_MSI is not set
CONFIG_ARCH_SUPPORTS_OPROFILE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_BASE_SMALL=0
# CONFIG_BCM47XX is not set
# CONFIG_BINARY_PRINTF is not set
CONFIG_HZ_250=y
# CONFIG_I2C is not set
CONFIG_IFXMIPS=y
-# CONFIG_IFXMIPS_EEPROM is not set
CONFIG_IFXMIPS_GPIO_RST_BTN=y
-# CONFIG_IFXMIPS_MEI is not set
CONFIG_IFXMIPS_MII0=y
# CONFIG_IFXMIPS_PROM_ASC0 is not set
CONFIG_IFXMIPS_PROM_ASC1=y
-# CONFIG_IFXMIPS_SSC is not set
CONFIG_IFXMIPS_WDT=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_IRQ_CPU=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
# CONFIG_PCSPKR_PLATFORM is not set
+CONFIG_PHYLIB=y
# CONFIG_PMC_MSP is not set
# CONFIG_PMC_YOSEMITE is not set
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
# CONFIG_PROBE_INITRD_HEADER is not set
-# CONFIG_PROM_EMU is not set
CONFIG_SCHED_OMIT_FRAME_POINTER=y
# CONFIG_SCSI_DMA is not set
# CONFIG_SERIAL_8250 is not set
# CONFIG_SIBYTE_SWARM is not set
# CONFIG_SLOW_WORK is not set
CONFIG_SWAP_IO_SPACE=y
+CONFIG_SWCONFIG=y
CONFIG_SYS_HAS_CPU_MIPS32_R1=y
CONFIG_SYS_HAS_CPU_MIPS32_R2=y
CONFIG_SYS_HAS_EARLY_PRINTK=y
+++ /dev/null
-/*
- * 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) 2006 infineon
- * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/version.h>
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/uaccess.h>
-#include <linux/unistd.h>
-#include <linux/errno.h>
-#include <linux/leds.h>
-#include <linux/delay.h>
-
-#include <ifxmips.h>
-#include <ifxmips_gpio.h>
-#include <ifxmips_pmu.h>
-
-#define DRVNAME "ifxmips_led"
-
-/* might need to be changed depending on shift register used on the pcb */
-#if 1
-#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING
-#else
-#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING
-#endif
-
-#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ
-
-#define IFXMIPS_LED_GPIO_PORT 0
-
-#define IFXMIPS_MAX_LED 24
-
-struct ifxmips_led {
- struct led_classdev cdev;
- u8 bit;
-};
-
-void ifxmips_led_set(unsigned int led)
-{
- led &= 0xffffff;
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0);
-}
-EXPORT_SYMBOL(ifxmips_led_set);
-
-void ifxmips_led_clear(unsigned int led)
-{
- led = ~(led & 0xffffff);
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0);
-}
-EXPORT_SYMBOL(ifxmips_led_clear);
-
-void ifxmips_led_blink_set(unsigned int led)
-{
- led &= 0xffffff;
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0);
-}
-EXPORT_SYMBOL(ifxmips_led_blink_set);
-
-void ifxmips_led_blink_clear(unsigned int led)
-{
- led = ~(led & 0xffffff);
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0);
-}
-EXPORT_SYMBOL(ifxmips_led_blink_clear);
-
-static void ifxmips_ledapi_set(struct led_classdev *led_cdev,
- enum led_brightness value)
-{
- struct ifxmips_led *led_dev =
- container_of(led_cdev, struct ifxmips_led, cdev);
-
- if (value)
- ifxmips_led_set(1 << led_dev->bit);
- else
- ifxmips_led_clear(1 << led_dev->bit);
-}
-
-void ifxmips_led_setup_gpio(void)
-{
- int i = 0;
-
- /* leds are controlled via a shift register
- we need to setup pins SH,D,ST (4,5,6) to make it work */
- for (i = 4; i < 7; i++) {
- ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
- ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);
- ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i);
- ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i);
- }
-}
-
-static int ifxmips_led_probe(struct platform_device *dev)
-{
- int i = 0;
-
- ifxmips_led_setup_gpio();
-
- ifxmips_w32(0, IFXMIPS_LED_AR);
- ifxmips_w32(0, IFXMIPS_LED_CPU0);
- ifxmips_w32(0, IFXMIPS_LED_CPU1);
- ifxmips_w32(LED_CON0_SWU, IFXMIPS_LED_CON0);
- ifxmips_w32(0, IFXMIPS_LED_CON1);
-
- /* setup the clock edge that the shift register is triggered on */
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK,
- IFXMIPS_LED_CON0);
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE,
- IFXMIPS_LED_CON0);
-
- /* per default leds 15-0 are set */
- ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1);
-
- /* leds are update periodically by the FPID */
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK,
- IFXMIPS_LED_CON1);
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI,
- IFXMIPS_LED_CON1);
-
- /* set led update speed */
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK,
- IFXMIPS_LED_CON1);
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED,
- IFXMIPS_LED_CON1);
-
- /* adsl 0 and 1 leds are updated by the arc */
- ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC,
- IFXMIPS_LED_CON0);
-
- /* per default, the leds are turned on */
- ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED);
-
- for (i = 0; i < IFXMIPS_MAX_LED; i++) {
- struct ifxmips_led *tmp =
- kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL);
- tmp->cdev.brightness_set = ifxmips_ledapi_set;
- tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL);
- sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i);
- tmp->cdev.default_trigger = NULL;
- tmp->bit = i;
- led_classdev_register(&dev->dev, &tmp->cdev);
- }
-
- return 0;
-}
-
-static int ifxmips_led_remove(struct platform_device *pdev)
-{
- return 0;
-}
-
-static struct platform_driver ifxmips_led_driver = {
- .probe = ifxmips_led_probe,
- .remove = ifxmips_led_remove,
- .driver = {
- .name = DRVNAME,
- .owner = THIS_MODULE,
- },
-};
-
-int __init ifxmips_led_init(void)
-{
- int ret = platform_driver_register(&ifxmips_led_driver);
- if (ret)
- printk(KERN_INFO
- "ifxmips_led: Error registering platfom driver!");
-
- return ret;
-}
-
-void __exit ifxmips_led_exit(void)
-{
- platform_driver_unregister(&ifxmips_led_driver);
-}
-
-module_init(ifxmips_led_init);
-module_exit(ifxmips_led_exit);
+++ /dev/null
-/*
- * 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) 2004 Liu Peng Infineon IFAP DC COM CPE
- * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/map.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/cfi.h>
-#include <linux/magic.h>
-#include <linux/platform_device.h>
-
-#include <ifxmips.h>
-#include <ifxmips_prom.h>
-#include <ifxmips_ebu.h>
-
-#ifndef CONFIG_MTD_PARTITIONS
-#error Please enable CONFIG_MTD_PARTITIONS
-#endif
-
-static struct map_info ifxmips_map = {
- .name = "ifx-nor",
- .bankwidth = 2,
- .size = 0x400000,
-};
-
-static map_word ifxmips_read16(struct map_info *map, unsigned long adr)
-{
- unsigned long flags;
- map_word temp;
- spin_lock_irqsave(&ebu_lock, flags);
- adr ^= 2;
- temp.x[0] = *((__u16 *)(map->virt + adr));
- spin_unlock_irqrestore(&ebu_lock, flags);
- return temp;
-}
-
-static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
-{
- unsigned long flags;
- spin_lock_irqsave(&ebu_lock, flags);
- adr ^= 2;
- *((__u16 *)(map->virt + adr)) = d.x[0];
- spin_unlock_irqrestore(&ebu_lock, flags);
-}
-
-void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
- unsigned char *p;
- unsigned char *to_8;
- unsigned long flags;
- spin_lock_irqsave(&ebu_lock, flags);
- from = (unsigned long)(from + map->virt);
- p = (unsigned char *) from;
- to_8 = (unsigned char *) to;
- while (len--)
- *to_8++ = *p++;
- spin_unlock_irqrestore(&ebu_lock, flags);
-}
-
-void ifxmips_copy_to(struct map_info *map,
- unsigned long to,
- const void *from,
- ssize_t len)
-{
- unsigned char *p = (unsigned char *)from;
- unsigned char *to_8;
- unsigned long flags;
- spin_lock_irqsave(&ebu_lock, flags);
- to += (unsigned long) map->virt;
- to_8 = (unsigned char *)to;
- while (len--)
- *p++ = *to_8++;
- spin_unlock_irqrestore(&ebu_lock, flags);
-}
-
-static struct mtd_partition ifxmips_partitions[] = {
- {
- .name = "uboot",
- .offset = 0x00000000,
- .size = 0x00020000,
- },
- {
- .name = "uboot_env",
- .offset = 0x00020000,
- .size = 0x00010000,
- },
- {
- .name = "kernel",
- .offset = 0x00030000,
- .size = 0x0,
- },
- {
- .name = "rootfs",
- .offset = 0x0,
- .size = 0x0,
- },
- {
- .name = "board_config",
- .offset = 0x0,
- .size = 0x0,
- },
-};
-
-static struct mtd_partition ifxmips_meta_partition = {
- .name = "linux",
- .offset = 0x00030000,
- .size = 0x0,
-};
-
-static const char *part_probe_types[] = { "cmdlinepart", NULL };
-
-int find_uImage_size(unsigned long start_offset)
-{
- unsigned long magic;
- unsigned long temp;
- ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4);
- if (le32_to_cpu(magic) != 0x56190527) {
- printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", le32_to_cpu(magic), start_offset);
- return 0;
- }
- ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4);
- printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40);
- return temp + 0x40;
-}
-
-int find_brn_block(unsigned long start_offset)
-{
- unsigned char temp[9];
- ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
- temp[8] = '\0';
- printk(KERN_INFO "data in brn block %s\n", temp);
- if (memcmp(temp, "BRN-BOOT", 8) == 0)
- return 1;
- else
- return 0;
-}
-
-int detect_squashfs_partition(unsigned long start_offset)
-{
- unsigned long temp;
- ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4);
- return le32_to_cpu(temp) == SQUASHFS_MAGIC;
-}
-
-static int ifxmips_mtd_probe(struct platform_device *dev)
-{
- struct mtd_info *ifxmips_mtd = NULL;
- struct mtd_partition *parts = NULL;
- unsigned long uimage_size;
- int err, i;
- int kernel_part = 2, rootfs_part = 3;
- int num_parts = ARRAY_SIZE(ifxmips_partitions);
-
- ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0);
-
- ifxmips_map.read = ifxmips_read16;
- ifxmips_map.write = ifxmips_write16;
- ifxmips_map.copy_from = ifxmips_copy_from;
- ifxmips_map.copy_to = ifxmips_copy_to;
- ifxmips_map.phys = dev->resource->start;
- ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1;
- ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size);
-
- if (!ifxmips_map.virt) {
- printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n");
- return -EIO;
- }
-
- ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map);
- if (!ifxmips_mtd) {
- iounmap(ifxmips_map.virt);
- printk(KERN_WARNING "ifxmips_mtd: probing failed\n");
- return -ENXIO;
- }
-
- ifxmips_mtd->owner = THIS_MODULE;
-
- err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0);
- if (err > 0) {
- printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err);
- num_parts = err;
- kernel_part = 0;
- rootfs_part = 0;
- for (i = 0; i < num_parts; i++) {
- if (strcmp(parts[i].name, "kernel") == 0)
- kernel_part = i;
- if (strcmp(parts[i].name, "rootfs") == 0)
- rootfs_part = i;
- }
- } else {
- parts = &ifxmips_partitions[0];
- }
-
- /* dynamic size detection only if rootfs-part follows kernel-part */
- if (kernel_part+1 == rootfs_part) {
- uimage_size = find_uImage_size(parts[kernel_part].offset);
-
- if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) {
- printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
- } else {
- uimage_size &= ~0xffff;
- uimage_size += 0x10000;
- }
-
- parts[kernel_part].size = uimage_size;
- parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size;
- parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset;
-
- ifxmips_meta_partition.offset = parts[kernel_part].offset;
- ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size;
- }
-
- if (err <= 0) {
- if (ifxmips_has_brn_block()) {
- parts[3].size -= ifxmips_mtd->erasesize;
- parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
- parts[4].size = ifxmips_mtd->erasesize;
- } else {
- num_parts--;
- }
- }
-
- add_mtd_partitions(ifxmips_mtd, parts, num_parts);
- add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1);
-
- printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n",
- ifxmips_map.name, ((int)ifxmips_mtd->size) >> 20);
- return 0;
-}
-
-static struct platform_driver ifxmips_mtd_driver = {
- .probe = ifxmips_mtd_probe,
- .driver = {
- .name = "ifxmips_mtd",
- .owner = THIS_MODULE,
- },
-};
-
-int __init init_ifxmips_mtd(void)
-{
- int ret = platform_driver_register(&ifxmips_mtd_driver);
- if (ret)
- printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!");
- return ret;
-}
-
-static void __exit cleanup_ifxmips_mtd(void)
-{
- platform_driver_unregister(&ifxmips_mtd_driver);
-}
-
-module_init(init_ifxmips_mtd);
-module_exit(cleanup_ifxmips_mtd);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("MTD map driver for IFXMIPS boards");
+++ /dev/null
-/*
- * 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");
-
+++ /dev/null
-/*
- * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
- *
- * 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) 2004 Infineon IFAP DC COM CPE
- * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/fcntl.h>
-#include <linux/ptrace.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/circ_buf.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/irq.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/uaccess.h>
-#include <linux/bitops.h>
-
-#include <asm/system.h>
-
-#include <ifxmips.h>
-#include <ifxmips_irq.h>
-
-#define PORT_IFXMIPSASC 111
-
-#include <linux/serial_core.h>
-
-#define UART_DUMMY_UER_RX 1
-
-static void ifxmipsasc_tx_chars(struct uart_port *port);
-extern void prom_printf(const char *fmt, ...);
-static struct uart_port ifxmipsasc_port[2];
-static struct uart_driver ifxmipsasc_reg;
-extern unsigned int ifxmips_get_fpi_hz(void);
-
-static void ifxmipsasc_stop_tx(struct uart_port *port)
-{
- return;
-}
-
-static void ifxmipsasc_start_tx(struct uart_port *port)
-{
- unsigned long flags;
- local_irq_save(flags);
- ifxmipsasc_tx_chars(port);
- local_irq_restore(flags);
- return;
-}
-
-static void ifxmipsasc_stop_rx(struct uart_port *port)
-{
- ifxmips_w32(ASCWHBSTATE_CLRREN, port->membase + IFXMIPS_ASC_WHBSTATE);
-}
-
-static void ifxmipsasc_enable_ms(struct uart_port *port)
-{
-}
-
-#include <linux/version.h>
-
-static void ifxmipsasc_rx_chars(struct uart_port *port)
-{
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 26))
- struct tty_struct *tty = port->info->port.tty;
-#else
- struct tty_struct *tty = port->info->tty;
-#endif
- unsigned int ch = 0, rsr = 0, fifocnt;
-
- fifocnt = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_RXFFLMASK;
- while (fifocnt--) {
- u8 flag = TTY_NORMAL;
- ch = ifxmips_r32(port->membase + IFXMIPS_ASC_RBUF);
- rsr = (ifxmips_r32(port->membase + IFXMIPS_ASC_STATE) & ASCSTATE_ANY) | UART_DUMMY_UER_RX;
- tty_flip_buffer_push(tty);
- port->icount.rx++;
-
- /*
- * Note that the error handling code is
- * out of the main execution path
- */
- if (rsr & ASCSTATE_ANY) {
- if (rsr & ASCSTATE_PE) {
- port->icount.parity++;
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE, port->membase + IFXMIPS_ASC_WHBSTATE);
- } else if (rsr & ASCSTATE_FE) {
- port->icount.frame++;
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRFE, port->membase + IFXMIPS_ASC_WHBSTATE);
- }
- if (rsr & ASCSTATE_ROE) {
- port->icount.overrun++;
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE);
- }
-
- rsr &= port->read_status_mask;
-
- if (rsr & ASCSTATE_PE)
- flag = TTY_PARITY;
- else if (rsr & ASCSTATE_FE)
- flag = TTY_FRAME;
- }
-
- if ((rsr & port->ignore_status_mask) == 0)
- tty_insert_flip_char(tty, ch, flag);
-
- if (rsr & ASCSTATE_ROE)
- /*
- * Overrun is special, since it's reported
- * immediately, and doesn't affect the current
- * character
- */
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
- if (ch != 0)
- tty_flip_buffer_push(tty);
- return;
-}
-
-
-static void ifxmipsasc_tx_chars(struct uart_port *port)
-{
- struct circ_buf *xmit = &port->info->xmit;
- if (uart_tx_stopped(port)) {
- ifxmipsasc_stop_tx(port);
- return;
- }
-
- while (((ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK)
- >> ASCFSTAT_TXFFLOFF) != TXFIFO_FULL) {
- if (port->x_char) {
- ifxmips_w32(port->x_char, port->membase + IFXMIPS_ASC_TBUF);
- port->icount.tx++;
- port->x_char = 0;
- continue;
- }
-
- if (uart_circ_empty(xmit))
- break;
-
- ifxmips_w32(port->info->xmit.buf[port->info->xmit.tail], port->membase + IFXMIPS_ASC_TBUF);
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
- }
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(port);
-}
-
-static irqreturn_t ifxmipsasc_tx_int(int irq, void *_port)
-{
- struct uart_port *port = (struct uart_port *)_port;
- ifxmips_w32(ASC_IRNCR_TIR, port->membase + IFXMIPS_ASC_IRNCR);
- ifxmipsasc_start_tx(port);
- ifxmips_mask_and_ack_irq(irq);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ifxmipsasc_er_int(int irq, void *_port)
-{
- struct uart_port *port = (struct uart_port *)_port;
- /* clear any pending interrupts */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE |
- ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ifxmipsasc_rx_int(int irq, void *_port)
-{
- struct uart_port *port = (struct uart_port *)_port;
- ifxmips_w32(ASC_IRNCR_RIR, port->membase + IFXMIPS_ASC_IRNCR);
- ifxmipsasc_rx_chars((struct uart_port *)port);
- ifxmips_mask_and_ack_irq(irq);
- return IRQ_HANDLED;
-}
-
-static unsigned int ifxmipsasc_tx_empty(struct uart_port *port)
-{
- int status;
- status = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK;
- return status ? 0 : TIOCSER_TEMT;
-}
-
-static unsigned int ifxmipsasc_get_mctrl(struct uart_port *port)
-{
- return TIOCM_CTS | TIOCM_CAR | TIOCM_DSR;
-}
-
-static void ifxmipsasc_set_mctrl(struct uart_port *port, u_int mctrl)
-{
-}
-
-static void ifxmipsasc_break_ctl(struct uart_port *port, int break_state)
-{
-}
-
-static int ifxmipsasc_startup(struct uart_port *port)
-{
- unsigned long flags;
- int retval;
-
- port->uartclk = ifxmips_get_fpi_hz();
-
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~IFXMIPS_ASC_CLC_DISS, port->membase + IFXMIPS_ASC_CLC);
- ifxmips_w32(((ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~ASCCLC_RMCMASK)) | (1 << ASCCLC_RMCOFFSET), port->membase + IFXMIPS_ASC_CLC);
- ifxmips_w32(0, port->membase + IFXMIPS_ASC_PISEL);
- ifxmips_w32(((TXFIFO_FL << ASCTXFCON_TXFITLOFF) & ASCTXFCON_TXFITLMASK) | ASCTXFCON_TXFEN | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON);
- ifxmips_w32(((RXFIFO_FL << ASCRXFCON_RXFITLOFF) & ASCRXFCON_RXFITLMASK) | ASCRXFCON_RXFEN | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON);
- wmb();
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_M_8ASYNC | ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN, port->membase + IFXMIPS_ASC_CON);
-
- local_irq_save(flags);
-
- retval = request_irq(port->irq, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port);
- if (retval) {
- printk(KERN_ERR "failed to request ifxmipsasc_tx_int\n");
- return retval;
- }
-
- retval = request_irq(port->irq + 2, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port);
- if (retval) {
- printk(KERN_ERR "failed to request ifxmipsasc_rx_int\n");
- goto err1;
- }
-
- retval = request_irq(port->irq + 3, ifxmipsasc_er_int, IRQF_DISABLED, "asc_er", port);
- if (retval) {
- printk(KERN_ERR "failed to request ifxmipsasc_er_int\n");
- goto err2;
- }
-
- ifxmips_w32(ASC_IRNREN_RX_BUF | ASC_IRNREN_TX_BUF | ASC_IRNREN_ERR | ASC_IRNREN_TX, port->membase + IFXMIPS_ASC_IRNREN);
-
- local_irq_restore(flags);
- return 0;
-
-err2:
- free_irq(port->irq + 2, port);
-err1:
- free_irq(port->irq, port);
- local_irq_restore(flags);
- return retval;
-}
-
-static void ifxmipsasc_shutdown(struct uart_port *port)
-{
- free_irq(port->irq, port);
- free_irq(port->irq + 2, port);
- free_irq(port->irq + 3, port);
-
- ifxmips_w32(0, port->membase + IFXMIPS_ASC_CON);
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON);
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) & ~ASCRXFCON_RXFEN, port->membase + IFXMIPS_ASC_RXFCON);
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON);
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) & ~ASCTXFCON_TXFEN, port->membase + IFXMIPS_ASC_TXFCON);
-}
-
-static void ifxmipsasc_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old)
-{
- unsigned int cflag;
- unsigned int iflag;
- unsigned int quot;
- unsigned int baud;
- unsigned int con = 0;
- unsigned long flags;
-
- cflag = new->c_cflag;
- iflag = new->c_iflag;
-
- switch (cflag & CSIZE) {
- case CS7:
- con = ASCCON_M_7ASYNC;
- break;
-
- case CS5:
- case CS6:
- default:
- con = ASCCON_M_8ASYNC;
- break;
- }
-
- if (cflag & CSTOPB)
- con |= ASCCON_STP;
-
- if (cflag & PARENB) {
- if (!(cflag & PARODD))
- con &= ~ASCCON_ODD;
- else
- con |= ASCCON_ODD;
- }
-
- port->read_status_mask = ASCSTATE_ROE;
- if (iflag & INPCK)
- port->read_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
-
- port->ignore_status_mask = 0;
- if (iflag & IGNPAR)
- port->ignore_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
-
- if (iflag & IGNBRK) {
- /*
- * If we're ignoring parity and break indicators,
- * ignore overruns too (for real raw support).
- */
- if (iflag & IGNPAR)
- port->ignore_status_mask |= ASCSTATE_ROE;
- }
-
- if ((cflag & CREAD) == 0)
- port->ignore_status_mask |= UART_DUMMY_UER_RX;
-
- /* set error signals - framing, parity and overrun, enable receiver */
- con |= ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN;
-
- local_irq_save(flags);
-
- /* set up CON */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | con, port->membase + IFXMIPS_ASC_CON);
-
- /* Set baud rate - take a divider of 2 into account */
- baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
- quot = uart_get_divisor(port, baud);
- quot = quot / 2 - 1;
-
- /* disable the baudrate generator */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_R, port->membase + IFXMIPS_ASC_CON);
-
- /* make sure the fractional divider is off */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_FDE, port->membase + IFXMIPS_ASC_CON);
-
- /* set up to use divisor of 2 */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_BRS, port->membase + IFXMIPS_ASC_CON);
-
- /* now we can write the new baudrate into the register */
- ifxmips_w32(quot, port->membase + IFXMIPS_ASC_BG);
-
- /* turn the baudrate generator back on */
- ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_R, port->membase + IFXMIPS_ASC_CON);
-
- /* enable rx */
- ifxmips_w32(ASCWHBSTATE_SETREN, port->membase + IFXMIPS_ASC_WHBSTATE);
-
- local_irq_restore(flags);
-}
-
-static const char *ifxmipsasc_type(struct uart_port *port)
-{
- if (port->type == PORT_IFXMIPSASC) {
- if (port->membase == (void *)IFXMIPS_ASC_BASE_ADDR)
- return "asc0";
- else
- return "asc1";
- } else {
- return NULL;
- }
-}
-
-static void ifxmipsasc_release_port(struct uart_port *port)
-{
-}
-
-static int ifxmipsasc_request_port(struct uart_port *port)
-{
- return 0;
-}
-
-static void ifxmipsasc_config_port(struct uart_port *port, int flags)
-{
- if (flags & UART_CONFIG_TYPE) {
- port->type = PORT_IFXMIPSASC;
- ifxmipsasc_request_port(port);
- }
-}
-
-static int ifxmipsasc_verify_port(struct uart_port *port, struct serial_struct *ser)
-{
- int ret = 0;
- if (ser->type != PORT_UNKNOWN && ser->type != PORT_IFXMIPSASC)
- ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
- ret = -EINVAL;
- if (ser->baud_base < 9600)
- ret = -EINVAL;
- return ret;
-}
-
-static struct uart_ops ifxmipsasc_pops = {
- .tx_empty = ifxmipsasc_tx_empty,
- .set_mctrl = ifxmipsasc_set_mctrl,
- .get_mctrl = ifxmipsasc_get_mctrl,
- .stop_tx = ifxmipsasc_stop_tx,
- .start_tx = ifxmipsasc_start_tx,
- .stop_rx = ifxmipsasc_stop_rx,
- .enable_ms = ifxmipsasc_enable_ms,
- .break_ctl = ifxmipsasc_break_ctl,
- .startup = ifxmipsasc_startup,
- .shutdown = ifxmipsasc_shutdown,
- .set_termios = ifxmipsasc_set_termios,
- .type = ifxmipsasc_type,
- .release_port = ifxmipsasc_release_port,
- .request_port = ifxmipsasc_request_port,
- .config_port = ifxmipsasc_config_port,
- .verify_port = ifxmipsasc_verify_port,
-};
-
-static struct uart_port ifxmipsasc_port[2] = {
- {
- .membase = (void *)IFXMIPS_ASC_BASE_ADDR,
- .mapbase = IFXMIPS_ASC_BASE_ADDR,
- .iotype = SERIAL_IO_MEM,
- .irq = IFXMIPSASC_TIR(0),
- .uartclk = 0,
- .fifosize = 16,
- .type = PORT_IFXMIPSASC,
- .ops = &ifxmipsasc_pops,
- .flags = ASYNC_BOOT_AUTOCONF,
- .line = 0
- }, {
- .membase = (void *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF),
- .mapbase = IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF,
- .iotype = SERIAL_IO_MEM,
- .irq = IFXMIPSASC_TIR(1),
- .uartclk = 0,
- .fifosize = 16,
- .type = PORT_IFXMIPSASC,
- .ops = &ifxmipsasc_pops,
- .flags = ASYNC_BOOT_AUTOCONF,
- .line = 1
- }
-};
-
-static void ifxmipsasc_console_write(struct console *co, const char *s, u_int count)
-{
- int port = co->index;
- int i, fifocnt;
- unsigned long flags;
- local_irq_save(flags);
- for (i = 0; i < count; i++) {
- do {
- fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)
- >> ASCFSTAT_TXFFLOFF;
- } while (fifocnt == TXFIFO_FULL);
-
- if (s[i] == '\0')
- break;
-
- if (s[i] == '\n') {
- ifxmips_w32('\r', (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF));
- do {
- fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)
- >> ASCFSTAT_TXFFLOFF;
- } while (fifocnt == TXFIFO_FULL);
- }
- ifxmips_w32(s[i], (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF));
- }
-
- local_irq_restore(flags);
-}
-
-static int __init ifxmipsasc_console_setup(struct console *co, char *options)
-{
- int port = co->index;
- int baud = 115200;
- int bits = 8;
- int parity = 'n';
- int flow = 'n';
- ifxmipsasc_port[port].uartclk = ifxmips_get_fpi_hz();
- ifxmipsasc_port[port].type = PORT_IFXMIPSASC;
- if (options)
- uart_parse_options(options, &baud, &parity, &bits, &flow);
- return uart_set_options(&ifxmipsasc_port[port], co, baud, parity, bits, flow);
-}
-
-static struct console ifxmipsasc_console[2] =
-{
- {
- .name = "ttyS",
- .write = ifxmipsasc_console_write,
- .device = uart_console_device,
- .setup = ifxmipsasc_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = 0,
- .data = &ifxmipsasc_reg,
- }, {
- .name = "ttyS",
- .write = ifxmipsasc_console_write,
- .device = uart_console_device,
- .setup = ifxmipsasc_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = 1,
- .data = &ifxmipsasc_reg,
- }
-};
-
-static int __init ifxmipsasc_console_init(void)
-{
- register_console(&ifxmipsasc_console[0]);
- register_console(&ifxmipsasc_console[1]);
- return 0;
-}
-console_initcall(ifxmipsasc_console_init);
-
-static struct uart_driver ifxmipsasc_reg = {
- .owner = THIS_MODULE,
- .driver_name = "serial",
- .dev_name = "ttyS",
- .major = TTY_MAJOR,
- .minor = 64,
- .nr = 2,
- .cons = &ifxmipsasc_console[1],
-};
-
-int __init ifxmipsasc_init(void)
-{
- int ret;
- uart_register_driver(&ifxmipsasc_reg);
- ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]);
- ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]);
- return 0;
-}
-
-void __exit ifxmipsasc_exit(void)
-{
- uart_unregister_driver(&ifxmipsasc_reg);
-}
-
-module_init(ifxmipsasc_init);
-module_exit(ifxmipsasc_exit);
-
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("MIPS IFXMips serial port driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * 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) 2008 John Crispin <blogic@openwrt.org>
- * Based on EP93xx wdt driver
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/platform_device.h>
-#include <linux/uaccess.h>
-
-#include <ifxmips.h>
-#include <ifxmips_cgu.h>
-
-#define IFXMIPS_WDT_PW1 0x00BE0000
-#define IFXMIPS_WDT_PW2 0x00DC0000
-
-#ifndef CONFIG_WATCHDOG_NOWAYOUT
-static int wdt_ok_to_close;
-#endif
-
-static int wdt_timeout = 30;
-
-int ifxmips_wdt_enable(unsigned int timeout)
-{
- u32 fpi;
- fpi = cgu_get_io_region_clock();
- ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR);
- ifxmips_w32(IFXMIPS_WDT_PW2 |
- (0x3 << 26) | /* PWL */
- (0x3 << 24) | /* CLKDIV */
- (0x1 << 31) | /* enable */
- ((timeout * (fpi / 0x40000)) + 0x1000), /* reload */
- IFXMIPS_BIU_WDT_CR);
- return 0;
-}
-
-void ifxmips_wdt_disable(void)
-{
-#ifndef CONFIG_WATCHDOG_NOWAYOUT
- wdt_ok_to_close = 0;
-#endif
- ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR);
- ifxmips_w32(IFXMIPS_WDT_PW2, IFXMIPS_BIU_WDT_CR);
-}
-
-static ssize_t ifxmips_wdt_write(struct file *file, const char __user *data,
- size_t len, loff_t *ppos)
-{
- size_t i;
-
- if (!len)
- return 0;
-
-#ifndef CONFIG_WATCHDOG_NOWAYOUT
- for (i = 0; i != len; i++) {
- char c;
- if (get_user(c, data + i))
- return -EFAULT;
- if (c == 'V')
- wdt_ok_to_close = 1;
- }
-#endif
- ifxmips_wdt_enable(wdt_timeout);
- return len;
-}
-
-static struct watchdog_info ident = {
- .options = WDIOF_MAGICCLOSE,
- .identity = "ifxmips Watchdog",
-};
-
-static int ifxmips_wdt_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- int ret = -ENOTTY;
-
- switch (cmd) {
- case WDIOC_GETSUPPORT:
- ret = copy_to_user((struct watchdog_info __user *)arg, &ident,
- sizeof(ident)) ? -EFAULT : 0;
- break;
-
- case WDIOC_GETTIMEOUT:
- ret = put_user(wdt_timeout, (int __user *)arg);
- break;
-
- case WDIOC_SETTIMEOUT:
- ret = get_user(wdt_timeout, (int __user *)arg);
- break;
-
- case WDIOC_KEEPALIVE:
- ifxmips_wdt_enable(wdt_timeout);
- ret = 0;
- break;
- }
- return ret;
-}
-
-static int ifxmips_wdt_open(struct inode *inode, struct file *file)
-{
- ifxmips_wdt_enable(wdt_timeout);
- return nonseekable_open(inode, file);
-}
-
-static int ifxmips_wdt_release(struct inode *inode, struct file *file)
-{
-#ifndef CONFIG_WATCHDOG_NOWAYOUT
- if (wdt_ok_to_close)
- ifxmips_wdt_disable();
- else
-#endif
- printk(KERN_ERR "ifxmips_wdt: watchdog closed without warning,"
- " rebooting system\n");
- return 0;
-}
-
-static const struct file_operations ifxmips_wdt_fops = {
- .owner = THIS_MODULE,
- .write = ifxmips_wdt_write,
- .ioctl = ifxmips_wdt_ioctl,
- .open = ifxmips_wdt_open,
- .release = ifxmips_wdt_release,
-};
-
-static struct miscdevice ifxmips_wdt_miscdev = {
- .minor = WATCHDOG_MINOR,
- .name = "watchdog",
- .fops = &ifxmips_wdt_fops,
-};
-
-static int ifxmips_wdt_probe(struct platform_device *dev)
-{
- int err;
- err = misc_register(&ifxmips_wdt_miscdev);
- if (err)
- printk(KERN_INFO "ifxmips_wdt: error creating device\n");
- else
- printk(KERN_INFO "ifxmips_wdt: loaded\n");
- return err;
-}
-
-static int ifxmips_wdt_remove(struct platform_device *dev)
-{
- ifxmips_wdt_disable();
- misc_deregister(&ifxmips_wdt_miscdev);
- return 0;
-}
-
-
-static struct platform_driver ifxmips_wdt_driver = {
- .probe = ifxmips_wdt_probe,
- .remove = ifxmips_wdt_remove,
- .driver = {
- .name = "ifxmips_wdt",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init init_ifxmips_wdt(void)
-{
- int ret = platform_driver_register(&ifxmips_wdt_driver);
- if (ret)
- printk(KERN_INFO "ifxmips_wdt: error registering platfom driver!");
- return ret;
-}
-
-static void __exit exit_ifxmips_wdt(void)
-{
- platform_driver_unregister(&ifxmips_wdt_driver);
-}
-
-module_init(init_ifxmips_wdt);
-module_exit(exit_ifxmips_wdt);
-
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("ifxmips Watchdog");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-Index: linux-2.6.30.5/drivers/serial/Kconfig
+Index: linux-2.6.30.8/drivers/serial/Kconfig
===================================================================
---- linux-2.6.30.5.orig/drivers/serial/Kconfig 2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/serial/Kconfig 2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/serial/Kconfig 2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/serial/Kconfig 2009-10-19 21:31:32.000000000 +0200
@@ -1365,6 +1365,14 @@
help
Support for Console on the NWP serial ports.
config SERIAL_QE
tristate "Freescale QUICC Engine serial port support"
depends on QUICC_ENGINE
-Index: linux-2.6.30.5/drivers/serial/Makefile
+Index: linux-2.6.30.8/drivers/serial/Makefile
===================================================================
---- linux-2.6.30.5.orig/drivers/serial/Makefile 2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/serial/Makefile 2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/serial/Makefile 2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/serial/Makefile 2009-10-19 21:31:32.000000000 +0200
@@ -77,3 +77,4 @@
obj-$(CONFIG_SERIAL_KS8695) += serial_ks8695.o
obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o
obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
+obj-$(CONFIG_SERIAL_IFXMIPS) += ifxmips_asc.o
+Index: linux-2.6.30.8/drivers/serial/ifxmips_asc.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/serial/ifxmips_asc.c 2009-10-19 21:41:27.000000000 +0200
+@@ -0,0 +1,561 @@
++/*
++ * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
++ *
++ * 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) 2004 Infineon IFAP DC COM CPE
++ * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
++ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/errno.h>
++#include <linux/signal.h>
++#include <linux/sched.h>
++#include <linux/interrupt.h>
++#include <linux/tty.h>
++#include <linux/tty_flip.h>
++#include <linux/major.h>
++#include <linux/string.h>
++#include <linux/fcntl.h>
++#include <linux/ptrace.h>
++#include <linux/ioport.h>
++#include <linux/mm.h>
++#include <linux/slab.h>
++#include <linux/init.h>
++#include <linux/circ_buf.h>
++#include <linux/serial.h>
++#include <linux/serial_core.h>
++#include <linux/console.h>
++#include <linux/sysrq.h>
++#include <linux/irq.h>
++#include <linux/platform_device.h>
++#include <linux/io.h>
++#include <linux/uaccess.h>
++#include <linux/bitops.h>
++
++#include <asm/system.h>
++
++#include <ifxmips.h>
++#include <ifxmips_irq.h>
++
++#define PORT_IFXMIPSASC 111
++
++#include <linux/serial_core.h>
++
++#define UART_DUMMY_UER_RX 1
++
++static void ifxmipsasc_tx_chars(struct uart_port *port);
++extern void prom_printf(const char *fmt, ...);
++static struct uart_port ifxmipsasc_port[2];
++static struct uart_driver ifxmipsasc_reg;
++extern unsigned int ifxmips_get_fpi_hz(void);
++
++static void ifxmipsasc_stop_tx(struct uart_port *port)
++{
++ return;
++}
++
++static void ifxmipsasc_start_tx(struct uart_port *port)
++{
++ unsigned long flags;
++ local_irq_save(flags);
++ ifxmipsasc_tx_chars(port);
++ local_irq_restore(flags);
++ return;
++}
++
++static void ifxmipsasc_stop_rx(struct uart_port *port)
++{
++ ifxmips_w32(ASCWHBSTATE_CLRREN, port->membase + IFXMIPS_ASC_WHBSTATE);
++}
++
++static void ifxmipsasc_enable_ms(struct uart_port *port)
++{
++}
++
++#include <linux/version.h>
++
++static void ifxmipsasc_rx_chars(struct uart_port *port)
++{
++#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 26))
++ struct tty_struct *tty = port->info->port.tty;
++#else
++ struct tty_struct *tty = port->info->tty;
++#endif
++ unsigned int ch = 0, rsr = 0, fifocnt;
++
++ fifocnt = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_RXFFLMASK;
++ while (fifocnt--) {
++ u8 flag = TTY_NORMAL;
++ ch = ifxmips_r32(port->membase + IFXMIPS_ASC_RBUF);
++ rsr = (ifxmips_r32(port->membase + IFXMIPS_ASC_STATE) & ASCSTATE_ANY) | UART_DUMMY_UER_RX;
++ tty_flip_buffer_push(tty);
++ port->icount.rx++;
++
++ /*
++ * Note that the error handling code is
++ * out of the main execution path
++ */
++ if (rsr & ASCSTATE_ANY) {
++ if (rsr & ASCSTATE_PE) {
++ port->icount.parity++;
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE, port->membase + IFXMIPS_ASC_WHBSTATE);
++ } else if (rsr & ASCSTATE_FE) {
++ port->icount.frame++;
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRFE, port->membase + IFXMIPS_ASC_WHBSTATE);
++ }
++ if (rsr & ASCSTATE_ROE) {
++ port->icount.overrun++;
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE);
++ }
++
++ rsr &= port->read_status_mask;
++
++ if (rsr & ASCSTATE_PE)
++ flag = TTY_PARITY;
++ else if (rsr & ASCSTATE_FE)
++ flag = TTY_FRAME;
++ }
++
++ if ((rsr & port->ignore_status_mask) == 0)
++ tty_insert_flip_char(tty, ch, flag);
++
++ if (rsr & ASCSTATE_ROE)
++ /*
++ * Overrun is special, since it's reported
++ * immediately, and doesn't affect the current
++ * character
++ */
++ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
++ }
++ if (ch != 0)
++ tty_flip_buffer_push(tty);
++ return;
++}
++
++
++static void ifxmipsasc_tx_chars(struct uart_port *port)
++{
++ struct circ_buf *xmit = &port->info->xmit;
++ if (uart_tx_stopped(port)) {
++ ifxmipsasc_stop_tx(port);
++ return;
++ }
++
++ while (((ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK)
++ >> ASCFSTAT_TXFFLOFF) != TXFIFO_FULL) {
++ if (port->x_char) {
++ ifxmips_w32(port->x_char, port->membase + IFXMIPS_ASC_TBUF);
++ port->icount.tx++;
++ port->x_char = 0;
++ continue;
++ }
++
++ if (uart_circ_empty(xmit))
++ break;
++
++ ifxmips_w32(port->info->xmit.buf[port->info->xmit.tail], port->membase + IFXMIPS_ASC_TBUF);
++ xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
++ port->icount.tx++;
++ }
++
++ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
++ uart_write_wakeup(port);
++}
++
++static irqreturn_t ifxmipsasc_tx_int(int irq, void *_port)
++{
++ struct uart_port *port = (struct uart_port *)_port;
++ ifxmips_w32(ASC_IRNCR_TIR, port->membase + IFXMIPS_ASC_IRNCR);
++ ifxmipsasc_start_tx(port);
++ ifxmips_mask_and_ack_irq(irq);
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t ifxmipsasc_er_int(int irq, void *_port)
++{
++ struct uart_port *port = (struct uart_port *)_port;
++ /* clear any pending interrupts */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE |
++ ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE);
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t ifxmipsasc_rx_int(int irq, void *_port)
++{
++ struct uart_port *port = (struct uart_port *)_port;
++ ifxmips_w32(ASC_IRNCR_RIR, port->membase + IFXMIPS_ASC_IRNCR);
++ ifxmipsasc_rx_chars((struct uart_port *)port);
++ ifxmips_mask_and_ack_irq(irq);
++ return IRQ_HANDLED;
++}
++
++static unsigned int ifxmipsasc_tx_empty(struct uart_port *port)
++{
++ int status;
++ status = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK;
++ return status ? 0 : TIOCSER_TEMT;
++}
++
++static unsigned int ifxmipsasc_get_mctrl(struct uart_port *port)
++{
++ return TIOCM_CTS | TIOCM_CAR | TIOCM_DSR;
++}
++
++static void ifxmipsasc_set_mctrl(struct uart_port *port, u_int mctrl)
++{
++}
++
++static void ifxmipsasc_break_ctl(struct uart_port *port, int break_state)
++{
++}
++
++static int ifxmipsasc_startup(struct uart_port *port)
++{
++ unsigned long flags;
++ int retval;
++
++ port->uartclk = ifxmips_get_fpi_hz();
++
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~IFXMIPS_ASC_CLC_DISS, port->membase + IFXMIPS_ASC_CLC);
++ ifxmips_w32(((ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~ASCCLC_RMCMASK)) | (1 << ASCCLC_RMCOFFSET), port->membase + IFXMIPS_ASC_CLC);
++ ifxmips_w32(0, port->membase + IFXMIPS_ASC_PISEL);
++ ifxmips_w32(((TXFIFO_FL << ASCTXFCON_TXFITLOFF) & ASCTXFCON_TXFITLMASK) | ASCTXFCON_TXFEN | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON);
++ ifxmips_w32(((RXFIFO_FL << ASCRXFCON_RXFITLOFF) & ASCRXFCON_RXFITLMASK) | ASCRXFCON_RXFEN | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON);
++ wmb();
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_M_8ASYNC | ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN, port->membase + IFXMIPS_ASC_CON);
++
++ local_irq_save(flags);
++
++ retval = request_irq(port->irq, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port);
++ if (retval) {
++ printk(KERN_ERR "failed to request ifxmipsasc_tx_int\n");
++ return retval;
++ }
++
++ retval = request_irq(port->irq + 2, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port);
++ if (retval) {
++ printk(KERN_ERR "failed to request ifxmipsasc_rx_int\n");
++ goto err1;
++ }
++
++ retval = request_irq(port->irq + 3, ifxmipsasc_er_int, IRQF_DISABLED, "asc_er", port);
++ if (retval) {
++ printk(KERN_ERR "failed to request ifxmipsasc_er_int\n");
++ goto err2;
++ }
++
++ ifxmips_w32(ASC_IRNREN_RX_BUF | ASC_IRNREN_TX_BUF | ASC_IRNREN_ERR | ASC_IRNREN_TX, port->membase + IFXMIPS_ASC_IRNREN);
++
++ local_irq_restore(flags);
++ return 0;
++
++err2:
++ free_irq(port->irq + 2, port);
++err1:
++ free_irq(port->irq, port);
++ local_irq_restore(flags);
++ return retval;
++}
++
++static void ifxmipsasc_shutdown(struct uart_port *port)
++{
++ free_irq(port->irq, port);
++ free_irq(port->irq + 2, port);
++ free_irq(port->irq + 3, port);
++
++ ifxmips_w32(0, port->membase + IFXMIPS_ASC_CON);
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON);
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) & ~ASCRXFCON_RXFEN, port->membase + IFXMIPS_ASC_RXFCON);
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON);
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) & ~ASCTXFCON_TXFEN, port->membase + IFXMIPS_ASC_TXFCON);
++}
++
++static void ifxmipsasc_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old)
++{
++ unsigned int cflag;
++ unsigned int iflag;
++ unsigned int quot;
++ unsigned int baud;
++ unsigned int con = 0;
++ unsigned long flags;
++
++ cflag = new->c_cflag;
++ iflag = new->c_iflag;
++
++ switch (cflag & CSIZE) {
++ case CS7:
++ con = ASCCON_M_7ASYNC;
++ break;
++
++ case CS5:
++ case CS6:
++ default:
++ con = ASCCON_M_8ASYNC;
++ break;
++ }
++
++ if (cflag & CSTOPB)
++ con |= ASCCON_STP;
++
++ if (cflag & PARENB) {
++ if (!(cflag & PARODD))
++ con &= ~ASCCON_ODD;
++ else
++ con |= ASCCON_ODD;
++ }
++
++ port->read_status_mask = ASCSTATE_ROE;
++ if (iflag & INPCK)
++ port->read_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
++
++ port->ignore_status_mask = 0;
++ if (iflag & IGNPAR)
++ port->ignore_status_mask |= ASCSTATE_FE | ASCSTATE_PE;
++
++ if (iflag & IGNBRK) {
++ /*
++ * If we're ignoring parity and break indicators,
++ * ignore overruns too (for real raw support).
++ */
++ if (iflag & IGNPAR)
++ port->ignore_status_mask |= ASCSTATE_ROE;
++ }
++
++ if ((cflag & CREAD) == 0)
++ port->ignore_status_mask |= UART_DUMMY_UER_RX;
++
++ /* set error signals - framing, parity and overrun, enable receiver */
++ con |= ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN;
++
++ local_irq_save(flags);
++
++ /* set up CON */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | con, port->membase + IFXMIPS_ASC_CON);
++
++ /* Set baud rate - take a divider of 2 into account */
++ baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16);
++ quot = uart_get_divisor(port, baud);
++ quot = quot / 2 - 1;
++
++ /* disable the baudrate generator */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_R, port->membase + IFXMIPS_ASC_CON);
++
++ /* make sure the fractional divider is off */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_FDE, port->membase + IFXMIPS_ASC_CON);
++
++ /* set up to use divisor of 2 */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_BRS, port->membase + IFXMIPS_ASC_CON);
++
++ /* now we can write the new baudrate into the register */
++ ifxmips_w32(quot, port->membase + IFXMIPS_ASC_BG);
++
++ /* turn the baudrate generator back on */
++ ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_R, port->membase + IFXMIPS_ASC_CON);
++
++ /* enable rx */
++ ifxmips_w32(ASCWHBSTATE_SETREN, port->membase + IFXMIPS_ASC_WHBSTATE);
++
++ local_irq_restore(flags);
++}
++
++static const char *ifxmipsasc_type(struct uart_port *port)
++{
++ if (port->type == PORT_IFXMIPSASC) {
++ if (port->membase == (void *)IFXMIPS_ASC_BASE_ADDR)
++ return "asc0";
++ else
++ return "asc1";
++ } else {
++ return NULL;
++ }
++}
++
++static void ifxmipsasc_release_port(struct uart_port *port)
++{
++}
++
++static int ifxmipsasc_request_port(struct uart_port *port)
++{
++ return 0;
++}
++
++static void ifxmipsasc_config_port(struct uart_port *port, int flags)
++{
++ if (flags & UART_CONFIG_TYPE) {
++ port->type = PORT_IFXMIPSASC;
++ ifxmipsasc_request_port(port);
++ }
++}
++
++static int ifxmipsasc_verify_port(struct uart_port *port, struct serial_struct *ser)
++{
++ int ret = 0;
++ if (ser->type != PORT_UNKNOWN && ser->type != PORT_IFXMIPSASC)
++ ret = -EINVAL;
++ if (ser->irq < 0 || ser->irq >= NR_IRQS)
++ ret = -EINVAL;
++ if (ser->baud_base < 9600)
++ ret = -EINVAL;
++ return ret;
++}
++
++static struct uart_ops ifxmipsasc_pops = {
++ .tx_empty = ifxmipsasc_tx_empty,
++ .set_mctrl = ifxmipsasc_set_mctrl,
++ .get_mctrl = ifxmipsasc_get_mctrl,
++ .stop_tx = ifxmipsasc_stop_tx,
++ .start_tx = ifxmipsasc_start_tx,
++ .stop_rx = ifxmipsasc_stop_rx,
++ .enable_ms = ifxmipsasc_enable_ms,
++ .break_ctl = ifxmipsasc_break_ctl,
++ .startup = ifxmipsasc_startup,
++ .shutdown = ifxmipsasc_shutdown,
++ .set_termios = ifxmipsasc_set_termios,
++ .type = ifxmipsasc_type,
++ .release_port = ifxmipsasc_release_port,
++ .request_port = ifxmipsasc_request_port,
++ .config_port = ifxmipsasc_config_port,
++ .verify_port = ifxmipsasc_verify_port,
++};
++
++static struct uart_port ifxmipsasc_port[2] = {
++ {
++ .membase = (void *)IFXMIPS_ASC_BASE_ADDR,
++ .mapbase = IFXMIPS_ASC_BASE_ADDR,
++ .iotype = SERIAL_IO_MEM,
++ .irq = IFXMIPSASC_TIR(0),
++ .uartclk = 0,
++ .fifosize = 16,
++ .type = PORT_IFXMIPSASC,
++ .ops = &ifxmipsasc_pops,
++ .flags = ASYNC_BOOT_AUTOCONF,
++ .line = 0
++ }, {
++ .membase = (void *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF),
++ .mapbase = IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF,
++ .iotype = SERIAL_IO_MEM,
++ .irq = IFXMIPSASC_TIR(1),
++ .uartclk = 0,
++ .fifosize = 16,
++ .type = PORT_IFXMIPSASC,
++ .ops = &ifxmipsasc_pops,
++ .flags = ASYNC_BOOT_AUTOCONF,
++ .line = 1
++ }
++};
++
++static void ifxmipsasc_console_write(struct console *co, const char *s, u_int count)
++{
++ int port = co->index;
++ int i, fifocnt;
++ unsigned long flags;
++ local_irq_save(flags);
++ for (i = 0; i < count; i++) {
++ do {
++ fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)
++ >> ASCFSTAT_TXFFLOFF;
++ } while (fifocnt == TXFIFO_FULL);
++
++ if (s[i] == '\0')
++ break;
++
++ if (s[i] == '\n') {
++ ifxmips_w32('\r', (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF));
++ do {
++ fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK)
++ >> ASCFSTAT_TXFFLOFF;
++ } while (fifocnt == TXFIFO_FULL);
++ }
++ ifxmips_w32(s[i], (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF));
++ }
++
++ local_irq_restore(flags);
++}
++
++static int __init ifxmipsasc_console_setup(struct console *co, char *options)
++{
++ int port = co->index;
++ int baud = 115200;
++ int bits = 8;
++ int parity = 'n';
++ int flow = 'n';
++ ifxmipsasc_port[port].uartclk = ifxmips_get_fpi_hz();
++ ifxmipsasc_port[port].type = PORT_IFXMIPSASC;
++ if (options)
++ uart_parse_options(options, &baud, &parity, &bits, &flow);
++ return uart_set_options(&ifxmipsasc_port[port], co, baud, parity, bits, flow);
++}
++
++static struct console ifxmipsasc_console[2] =
++{
++ {
++ .name = "ttyS",
++ .write = ifxmipsasc_console_write,
++ .device = uart_console_device,
++ .setup = ifxmipsasc_console_setup,
++ .flags = CON_PRINTBUFFER,
++ .index = 0,
++ .data = &ifxmipsasc_reg,
++ }, {
++ .name = "ttyS",
++ .write = ifxmipsasc_console_write,
++ .device = uart_console_device,
++ .setup = ifxmipsasc_console_setup,
++ .flags = CON_PRINTBUFFER,
++ .index = 1,
++ .data = &ifxmipsasc_reg,
++ }
++};
++
++static int __init ifxmipsasc_console_init(void)
++{
++ register_console(&ifxmipsasc_console[0]);
++ register_console(&ifxmipsasc_console[1]);
++ return 0;
++}
++console_initcall(ifxmipsasc_console_init);
++
++static struct uart_driver ifxmipsasc_reg = {
++ .owner = THIS_MODULE,
++ .driver_name = "serial",
++ .dev_name = "ttyS",
++ .major = TTY_MAJOR,
++ .minor = 64,
++ .nr = 2,
++ .cons = &ifxmipsasc_console[1],
++};
++
++int __init ifxmipsasc_init(void)
++{
++ int ret;
++ uart_register_driver(&ifxmipsasc_reg);
++ ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]);
++ ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]);
++ return 0;
++}
++
++void __exit ifxmipsasc_exit(void)
++{
++ uart_unregister_driver(&ifxmipsasc_reg);
++}
++
++module_init(ifxmipsasc_init);
++module_exit(ifxmipsasc_exit);
++
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("MIPS IFXMips serial port driver");
++MODULE_LICENSE("GPL");
-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"
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
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");
++
-Index: linux-2.6.30.5/drivers/mtd/maps/Makefile
+Index: linux-2.6.30.8/drivers/mtd/maps/Makefile
===================================================================
---- linux-2.6.30.5.orig/drivers/mtd/maps/Makefile 2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/mtd/maps/Makefile 2009-09-02 18:30:09.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/mtd/maps/Makefile 2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/mtd/maps/Makefile 2009-10-19 21:31:32.000000000 +0200
@@ -62,3 +62,4 @@
obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o
obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o
obj-$(CONFIG_MTD_VMU) += vmu-flash.o
+obj-$(CONFIG_MTD_IFXMIPS) += ifxmips.o
+Index: linux-2.6.30.8/drivers/mtd/maps/ifxmips.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/mtd/maps/ifxmips.c 2009-10-19 21:40:44.000000000 +0200
+@@ -0,0 +1,277 @@
++/*
++ * 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) 2004 Liu Peng Infineon IFAP DC COM CPE
++ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/types.h>
++#include <linux/kernel.h>
++#include <linux/io.h>
++#include <linux/init.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/mtd/cfi.h>
++#include <linux/magic.h>
++#include <linux/platform_device.h>
++
++#include <ifxmips.h>
++#include <ifxmips_prom.h>
++#include <ifxmips_ebu.h>
++
++#ifndef CONFIG_MTD_PARTITIONS
++#error Please enable CONFIG_MTD_PARTITIONS
++#endif
++
++static struct map_info ifxmips_map = {
++ .name = "ifx-nor",
++ .bankwidth = 2,
++ .size = 0x400000,
++};
++
++static map_word ifxmips_read16(struct map_info *map, unsigned long adr)
++{
++ unsigned long flags;
++ map_word temp;
++ spin_lock_irqsave(&ebu_lock, flags);
++ adr ^= 2;
++ temp.x[0] = *((__u16 *)(map->virt + adr));
++ spin_unlock_irqrestore(&ebu_lock, flags);
++ return temp;
++}
++
++static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr)
++{
++ unsigned long flags;
++ spin_lock_irqsave(&ebu_lock, flags);
++ adr ^= 2;
++ *((__u16 *)(map->virt + adr)) = d.x[0];
++ spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
++{
++ unsigned char *p;
++ unsigned char *to_8;
++ unsigned long flags;
++ spin_lock_irqsave(&ebu_lock, flags);
++ from = (unsigned long)(from + map->virt);
++ p = (unsigned char *) from;
++ to_8 = (unsigned char *) to;
++ while (len--)
++ *to_8++ = *p++;
++ spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++void ifxmips_copy_to(struct map_info *map,
++ unsigned long to,
++ const void *from,
++ ssize_t len)
++{
++ unsigned char *p = (unsigned char *)from;
++ unsigned char *to_8;
++ unsigned long flags;
++ spin_lock_irqsave(&ebu_lock, flags);
++ to += (unsigned long) map->virt;
++ to_8 = (unsigned char *)to;
++ while (len--)
++ *p++ = *to_8++;
++ spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++static struct mtd_partition ifxmips_partitions[] = {
++ {
++ .name = "uboot",
++ .offset = 0x00000000,
++ .size = 0x00020000,
++ },
++ {
++ .name = "uboot_env",
++ .offset = 0x00020000,
++ .size = 0x00010000,
++ },
++ {
++ .name = "kernel",
++ .offset = 0x00030000,
++ .size = 0x0,
++ },
++ {
++ .name = "rootfs",
++ .offset = 0x0,
++ .size = 0x0,
++ },
++ {
++ .name = "board_config",
++ .offset = 0x0,
++ .size = 0x0,
++ },
++};
++
++static struct mtd_partition ifxmips_meta_partition = {
++ .name = "linux",
++ .offset = 0x00030000,
++ .size = 0x0,
++};
++
++static const char *part_probe_types[] = { "cmdlinepart", NULL };
++
++int find_uImage_size(unsigned long start_offset)
++{
++ unsigned long magic;
++ unsigned long temp;
++ ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4);
++ if (le32_to_cpu(magic) != 0x56190527) {
++ printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", le32_to_cpu(magic), start_offset);
++ return 0;
++ }
++ ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4);
++ printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40);
++ return temp + 0x40;
++}
++
++int find_brn_block(unsigned long start_offset)
++{
++ unsigned char temp[9];
++ ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8);
++ temp[8] = '\0';
++ printk(KERN_INFO "data in brn block %s\n", temp);
++ if (memcmp(temp, "BRN-BOOT", 8) == 0)
++ return 1;
++ else
++ return 0;
++}
++
++int detect_squashfs_partition(unsigned long start_offset)
++{
++ unsigned long temp;
++ ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4);
++ return le32_to_cpu(temp) == SQUASHFS_MAGIC;
++}
++
++static int ifxmips_mtd_probe(struct platform_device *dev)
++{
++ struct mtd_info *ifxmips_mtd = NULL;
++ struct mtd_partition *parts = NULL;
++ unsigned long uimage_size;
++ int err, i;
++ int kernel_part = 2, rootfs_part = 3;
++ int num_parts = ARRAY_SIZE(ifxmips_partitions);
++
++ ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0);
++
++ ifxmips_map.read = ifxmips_read16;
++ ifxmips_map.write = ifxmips_write16;
++ ifxmips_map.copy_from = ifxmips_copy_from;
++ ifxmips_map.copy_to = ifxmips_copy_to;
++ ifxmips_map.phys = dev->resource->start;
++ ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1;
++ ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size);
++
++ if (!ifxmips_map.virt) {
++ printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n");
++ return -EIO;
++ }
++
++ ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map);
++ if (!ifxmips_mtd) {
++ iounmap(ifxmips_map.virt);
++ printk(KERN_WARNING "ifxmips_mtd: probing failed\n");
++ return -ENXIO;
++ }
++
++ ifxmips_mtd->owner = THIS_MODULE;
++
++ err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0);
++ if (err > 0) {
++ printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err);
++ num_parts = err;
++ kernel_part = 0;
++ rootfs_part = 0;
++ for (i = 0; i < num_parts; i++) {
++ if (strcmp(parts[i].name, "kernel") == 0)
++ kernel_part = i;
++ if (strcmp(parts[i].name, "rootfs") == 0)
++ rootfs_part = i;
++ }
++ } else {
++ parts = &ifxmips_partitions[0];
++ }
++
++ /* dynamic size detection only if rootfs-part follows kernel-part */
++ if (kernel_part+1 == rootfs_part) {
++ uimage_size = find_uImage_size(parts[kernel_part].offset);
++
++ if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) {
++ printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n");
++ } else {
++ uimage_size &= ~0xffff;
++ uimage_size += 0x10000;
++ }
++
++ parts[kernel_part].size = uimage_size;
++ parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size;
++ parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset;
++
++ ifxmips_meta_partition.offset = parts[kernel_part].offset;
++ ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size;
++ }
++
++ if (err <= 0) {
++ if (ifxmips_has_brn_block()) {
++ parts[3].size -= ifxmips_mtd->erasesize;
++ parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize;
++ parts[4].size = ifxmips_mtd->erasesize;
++ } else {
++ num_parts--;
++ }
++ }
++
++ add_mtd_partitions(ifxmips_mtd, parts, num_parts);
++ add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1);
++
++ printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n",
++ ifxmips_map.name, ((int)ifxmips_mtd->size) >> 20);
++ return 0;
++}
++
++static struct platform_driver ifxmips_mtd_driver = {
++ .probe = ifxmips_mtd_probe,
++ .driver = {
++ .name = "ifxmips_mtd",
++ .owner = THIS_MODULE,
++ },
++};
++
++int __init init_ifxmips_mtd(void)
++{
++ int ret = platform_driver_register(&ifxmips_mtd_driver);
++ if (ret)
++ printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!");
++ return ret;
++}
++
++static void __exit cleanup_ifxmips_mtd(void)
++{
++ platform_driver_unregister(&ifxmips_mtd_driver);
++}
++
++module_init(init_ifxmips_mtd);
++module_exit(cleanup_ifxmips_mtd);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("MTD map driver for IFXMIPS boards");
-Index: linux-2.6.30.5/drivers/watchdog/Makefile
+Index: linux-2.6.30.8/drivers/watchdog/Makefile
===================================================================
---- linux-2.6.30.5.orig/drivers/watchdog/Makefile 2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/watchdog/Makefile 2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/watchdog/Makefile 2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/watchdog/Makefile 2009-10-19 21:31:32.000000000 +0200
@@ -105,6 +105,7 @@
obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
# PARISC Architecture
-Index: linux-2.6.30.5/drivers/watchdog/Kconfig
+Index: linux-2.6.30.8/drivers/watchdog/Kconfig
===================================================================
---- linux-2.6.30.5.orig/drivers/watchdog/Kconfig 2009-08-16 23:19:38.000000000 +0200
-+++ linux-2.6.30.5/drivers/watchdog/Kconfig 2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/watchdog/Kconfig 2009-09-24 17:28:02.000000000 +0200
++++ linux-2.6.30.8/drivers/watchdog/Kconfig 2009-10-19 21:31:32.000000000 +0200
@@ -764,6 +764,12 @@
help
Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
# PARISC Architecture
# POWERPC Architecture
+Index: linux-2.6.30.8/drivers/watchdog/ifxmips_wdt.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/watchdog/ifxmips_wdt.c 2009-10-19 21:40:17.000000000 +0200
+@@ -0,0 +1,195 @@
++/*
++ * 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) 2008 John Crispin <blogic@openwrt.org>
++ * Based on EP93xx wdt driver
++ */
++
++#include <linux/module.h>
++#include <linux/fs.h>
++#include <linux/miscdevice.h>
++#include <linux/miscdevice.h>
++#include <linux/watchdog.h>
++#include <linux/platform_device.h>
++#include <linux/uaccess.h>
++
++#include <ifxmips.h>
++#include <ifxmips_cgu.h>
++
++#define IFXMIPS_WDT_PW1 0x00BE0000
++#define IFXMIPS_WDT_PW2 0x00DC0000
++
++#ifndef CONFIG_WATCHDOG_NOWAYOUT
++static int wdt_ok_to_close;
++#endif
++
++static int wdt_timeout = 30;
++
++int ifxmips_wdt_enable(unsigned int timeout)
++{
++ u32 fpi;
++ fpi = cgu_get_io_region_clock();
++ ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR);
++ ifxmips_w32(IFXMIPS_WDT_PW2 |
++ (0x3 << 26) | /* PWL */
++ (0x3 << 24) | /* CLKDIV */
++ (0x1 << 31) | /* enable */
++ ((timeout * (fpi / 0x40000)) + 0x1000), /* reload */
++ IFXMIPS_BIU_WDT_CR);
++ return 0;
++}
++
++void ifxmips_wdt_disable(void)
++{
++#ifndef CONFIG_WATCHDOG_NOWAYOUT
++ wdt_ok_to_close = 0;
++#endif
++ ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR);
++ ifxmips_w32(IFXMIPS_WDT_PW2, IFXMIPS_BIU_WDT_CR);
++}
++
++static ssize_t ifxmips_wdt_write(struct file *file, const char __user *data,
++ size_t len, loff_t *ppos)
++{
++ size_t i;
++
++ if (!len)
++ return 0;
++
++#ifndef CONFIG_WATCHDOG_NOWAYOUT
++ for (i = 0; i != len; i++) {
++ char c;
++ if (get_user(c, data + i))
++ return -EFAULT;
++ if (c == 'V')
++ wdt_ok_to_close = 1;
++ }
++#endif
++ ifxmips_wdt_enable(wdt_timeout);
++ return len;
++}
++
++static struct watchdog_info ident = {
++ .options = WDIOF_MAGICCLOSE,
++ .identity = "ifxmips Watchdog",
++};
++
++static int ifxmips_wdt_ioctl(struct inode *inode, struct file *file,
++ unsigned int cmd, unsigned long arg)
++{
++ int ret = -ENOTTY;
++
++ switch (cmd) {
++ case WDIOC_GETSUPPORT:
++ ret = copy_to_user((struct watchdog_info __user *)arg, &ident,
++ sizeof(ident)) ? -EFAULT : 0;
++ break;
++
++ case WDIOC_GETTIMEOUT:
++ ret = put_user(wdt_timeout, (int __user *)arg);
++ break;
++
++ case WDIOC_SETTIMEOUT:
++ ret = get_user(wdt_timeout, (int __user *)arg);
++ break;
++
++ case WDIOC_KEEPALIVE:
++ ifxmips_wdt_enable(wdt_timeout);
++ ret = 0;
++ break;
++ }
++ return ret;
++}
++
++static int ifxmips_wdt_open(struct inode *inode, struct file *file)
++{
++ ifxmips_wdt_enable(wdt_timeout);
++ return nonseekable_open(inode, file);
++}
++
++static int ifxmips_wdt_release(struct inode *inode, struct file *file)
++{
++#ifndef CONFIG_WATCHDOG_NOWAYOUT
++ if (wdt_ok_to_close)
++ ifxmips_wdt_disable();
++ else
++#endif
++ printk(KERN_ERR "ifxmips_wdt: watchdog closed without warning,"
++ " rebooting system\n");
++ return 0;
++}
++
++static const struct file_operations ifxmips_wdt_fops = {
++ .owner = THIS_MODULE,
++ .write = ifxmips_wdt_write,
++ .ioctl = ifxmips_wdt_ioctl,
++ .open = ifxmips_wdt_open,
++ .release = ifxmips_wdt_release,
++};
++
++static struct miscdevice ifxmips_wdt_miscdev = {
++ .minor = WATCHDOG_MINOR,
++ .name = "watchdog",
++ .fops = &ifxmips_wdt_fops,
++};
++
++static int ifxmips_wdt_probe(struct platform_device *dev)
++{
++ int err;
++ err = misc_register(&ifxmips_wdt_miscdev);
++ if (err)
++ printk(KERN_INFO "ifxmips_wdt: error creating device\n");
++ else
++ printk(KERN_INFO "ifxmips_wdt: loaded\n");
++ return err;
++}
++
++static int ifxmips_wdt_remove(struct platform_device *dev)
++{
++ ifxmips_wdt_disable();
++ misc_deregister(&ifxmips_wdt_miscdev);
++ return 0;
++}
++
++
++static struct platform_driver ifxmips_wdt_driver = {
++ .probe = ifxmips_wdt_probe,
++ .remove = ifxmips_wdt_remove,
++ .driver = {
++ .name = "ifxmips_wdt",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init init_ifxmips_wdt(void)
++{
++ int ret = platform_driver_register(&ifxmips_wdt_driver);
++ if (ret)
++ printk(KERN_INFO "ifxmips_wdt: error registering platfom driver!");
++ return ret;
++}
++
++static void __exit exit_ifxmips_wdt(void)
++{
++ platform_driver_unregister(&ifxmips_wdt_driver);
++}
++
++module_init(init_ifxmips_wdt);
++module_exit(exit_ifxmips_wdt);
++
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("ifxmips Watchdog");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-Index: linux-2.6.30.5/drivers/leds/Kconfig
+Index: linux-2.6.30.8/drivers/leds/Kconfig
===================================================================
---- linux-2.6.30.5.orig/drivers/leds/Kconfig 2009-09-02 18:22:49.000000000 +0200
-+++ linux-2.6.30.5/drivers/leds/Kconfig 2009-09-02 18:29:51.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/leds/Kconfig 2009-10-19 21:31:31.000000000 +0200
++++ linux-2.6.30.8/drivers/leds/Kconfig 2009-10-19 21:31:32.000000000 +0200
@@ -227,6 +227,12 @@
This option enables support for BD2802GU RGB LED driver chips
accessed via the I2C bus.
comment "LED Triggers"
config LEDS_TRIGGERS
-Index: linux-2.6.30.5/drivers/leds/Makefile
+Index: linux-2.6.30.8/drivers/leds/Makefile
===================================================================
---- linux-2.6.30.5.orig/drivers/leds/Makefile 2009-09-02 18:22:49.000000000 +0200
-+++ linux-2.6.30.5/drivers/leds/Makefile 2009-09-02 18:31:23.000000000 +0200
+--- linux-2.6.30.8.orig/drivers/leds/Makefile 2009-10-19 21:31:31.000000000 +0200
++++ linux-2.6.30.8/drivers/leds/Makefile 2009-10-19 21:31:32.000000000 +0200
@@ -27,6 +27,7 @@
obj-$(CONFIG_LEDS_DA903X) += leds-da903x.o
obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o
+Index: linux-2.6.30.8/drivers/leds/leds-ifxmips.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.30.8/drivers/leds/leds-ifxmips.c 2009-10-19 21:39:59.000000000 +0200
+@@ -0,0 +1,196 @@
++/*
++ * 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) 2006 infineon
++ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
++ *
++ */
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/version.h>
++#include <linux/types.h>
++#include <linux/fs.h>
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/uaccess.h>
++#include <linux/unistd.h>
++#include <linux/errno.h>
++#include <linux/leds.h>
++#include <linux/delay.h>
++
++#include <ifxmips.h>
++#include <ifxmips_gpio.h>
++#include <ifxmips_pmu.h>
++
++#define DRVNAME "ifxmips_led"
++
++/* might need to be changed depending on shift register used on the pcb */
++#if 1
++#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING
++#else
++#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING
++#endif
++
++#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ
++
++#define IFXMIPS_LED_GPIO_PORT 0
++
++#define IFXMIPS_MAX_LED 24
++
++struct ifxmips_led {
++ struct led_classdev cdev;
++ u8 bit;
++};
++
++void ifxmips_led_set(unsigned int led)
++{
++ led &= 0xffffff;
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0);
++}
++EXPORT_SYMBOL(ifxmips_led_set);
++
++void ifxmips_led_clear(unsigned int led)
++{
++ led = ~(led & 0xffffff);
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0);
++}
++EXPORT_SYMBOL(ifxmips_led_clear);
++
++void ifxmips_led_blink_set(unsigned int led)
++{
++ led &= 0xffffff;
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0);
++}
++EXPORT_SYMBOL(ifxmips_led_blink_set);
++
++void ifxmips_led_blink_clear(unsigned int led)
++{
++ led = ~(led & 0xffffff);
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0);
++}
++EXPORT_SYMBOL(ifxmips_led_blink_clear);
++
++static void ifxmips_ledapi_set(struct led_classdev *led_cdev,
++ enum led_brightness value)
++{
++ struct ifxmips_led *led_dev =
++ container_of(led_cdev, struct ifxmips_led, cdev);
++
++ if (value)
++ ifxmips_led_set(1 << led_dev->bit);
++ else
++ ifxmips_led_clear(1 << led_dev->bit);
++}
++
++void ifxmips_led_setup_gpio(void)
++{
++ int i = 0;
++
++ /* leds are controlled via a shift register
++ we need to setup pins SH,D,ST (4,5,6) to make it work */
++ for (i = 4; i < 7; i++) {
++ ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i);
++ ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i);
++ ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i);
++ ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i);
++ }
++}
++
++static int ifxmips_led_probe(struct platform_device *dev)
++{
++ int i = 0;
++
++ ifxmips_led_setup_gpio();
++
++ ifxmips_w32(0, IFXMIPS_LED_AR);
++ ifxmips_w32(0, IFXMIPS_LED_CPU0);
++ ifxmips_w32(0, IFXMIPS_LED_CPU1);
++ ifxmips_w32(LED_CON0_SWU, IFXMIPS_LED_CON0);
++ ifxmips_w32(0, IFXMIPS_LED_CON1);
++
++ /* setup the clock edge that the shift register is triggered on */
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK,
++ IFXMIPS_LED_CON0);
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE,
++ IFXMIPS_LED_CON0);
++
++ /* per default leds 15-0 are set */
++ ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1);
++
++ /* leds are update periodically by the FPID */
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK,
++ IFXMIPS_LED_CON1);
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI,
++ IFXMIPS_LED_CON1);
++
++ /* set led update speed */
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK,
++ IFXMIPS_LED_CON1);
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED,
++ IFXMIPS_LED_CON1);
++
++ /* adsl 0 and 1 leds are updated by the arc */
++ ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC,
++ IFXMIPS_LED_CON0);
++
++ /* per default, the leds are turned on */
++ ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED);
++
++ for (i = 0; i < IFXMIPS_MAX_LED; i++) {
++ struct ifxmips_led *tmp =
++ kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL);
++ tmp->cdev.brightness_set = ifxmips_ledapi_set;
++ tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL);
++ sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i);
++ tmp->cdev.default_trigger = NULL;
++ tmp->bit = i;
++ led_classdev_register(&dev->dev, &tmp->cdev);
++ }
++
++ return 0;
++}
++
++static int ifxmips_led_remove(struct platform_device *pdev)
++{
++ return 0;
++}
++
++static struct platform_driver ifxmips_led_driver = {
++ .probe = ifxmips_led_probe,
++ .remove = ifxmips_led_remove,
++ .driver = {
++ .name = DRVNAME,
++ .owner = THIS_MODULE,
++ },
++};
++
++int __init ifxmips_led_init(void)
++{
++ int ret = platform_driver_register(&ifxmips_led_driver);
++ if (ret)
++ printk(KERN_INFO
++ "ifxmips_led: Error registering platfom driver!");
++
++ return ret;
++}
++
++void __exit ifxmips_led_exit(void)
++{
++ platform_driver_unregister(&ifxmips_led_driver);
++}
++
++module_init(ifxmips_led_init);
++module_exit(ifxmips_led_exit);
projects / openwrt / staging / ansuel.git / commitdiff