diff options
Diffstat (limited to 'target/linux/ifxmips/files/drivers')
| -rw-r--r-- | target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c | 196 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c | 277 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c | 389 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c | 561 | ||||
| -rw-r--r-- | target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c | 195 |
5 files changed, 0 insertions, 1618 deletions
diff --git a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c deleted file mode 100644 index 3123d82180..0000000000 --- a/target/linux/ifxmips/files/drivers/leds/leds-ifxmips.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * 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); diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c deleted file mode 100644 index ef256f90b3..0000000000 --- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c +++ /dev/null @@ -1,277 +0,0 @@ -/* - * 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"); diff --git a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c b/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c deleted file mode 100644 index 9af0e385ad..0000000000 --- a/target/linux/ifxmips/files/drivers/net/ifxmips_mii0.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * 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"); - diff --git a/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c b/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c deleted file mode 100644 index 55bf41adaf..0000000000 --- a/target/linux/ifxmips/files/drivers/serial/ifxmips_asc.c +++ /dev/null @@ -1,561 +0,0 @@ -/* - * 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"); diff --git a/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c b/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c deleted file mode 100644 index b06307cb76..0000000000 --- a/target/linux/ifxmips/files/drivers/watchdog/ifxmips_wdt.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * 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); |