--- a/arch/mips/bcm47xx/Makefile +++ b/arch/mips/bcm47xx/Makefile @@ -3,4 +3,4 @@ # under Linux. # -obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o +obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o --- a/arch/mips/bcm47xx/wgt634u.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> - */ - -#include <linux/platform_device.h> -#include <linux/module.h> -#include <linux/leds.h> -#include <linux/mtd/physmap.h> -#include <linux/ssb/ssb.h> -#include <linux/interrupt.h> -#include <linux/reboot.h> -#include <linux/gpio.h> -#include <asm/mach-bcm47xx/bcm47xx.h> - -/* GPIO definitions for the WGT634U */ -#define WGT634U_GPIO_LED 3 -#define WGT634U_GPIO_RESET 2 -#define WGT634U_GPIO_TP1 7 -#define WGT634U_GPIO_TP2 6 -#define WGT634U_GPIO_TP3 5 -#define WGT634U_GPIO_TP4 4 -#define WGT634U_GPIO_TP5 1 - -static struct gpio_led wgt634u_leds[] = { - { - .name = "power", - .gpio = WGT634U_GPIO_LED, - .active_low = 1, - .default_trigger = "heartbeat", - }, -}; - -static struct gpio_led_platform_data wgt634u_led_data = { - .num_leds = ARRAY_SIZE(wgt634u_leds), - .leds = wgt634u_leds, -}; - -static struct platform_device wgt634u_gpio_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &wgt634u_led_data, - } -}; - - -/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U - firmware. */ -static struct mtd_partition wgt634u_partitions[] = { - { - .name = "cfe", - .offset = 0, - .size = 0x60000, /* 384k */ - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "config", - .offset = 0x60000, - .size = 0x20000 /* 128k */ - }, - { - .name = "linux", - .offset = 0x80000, - .size = 0x140000 /* 1280k */ - }, - { - .name = "jffs", - .offset = 0x1c0000, - .size = 0x620000 /* 6272k */ - }, - { - .name = "nvram", - .offset = 0x7e0000, - .size = 0x20000 /* 128k */ - }, -}; - -static struct physmap_flash_data wgt634u_flash_data = { - .parts = wgt634u_partitions, - .nr_parts = ARRAY_SIZE(wgt634u_partitions) -}; - -static struct resource wgt634u_flash_resource = { - .flags = IORESOURCE_MEM, -}; - -static struct platform_device wgt634u_flash = { - .name = "physmap-flash", - .id = 0, - .dev = { .platform_data = &wgt634u_flash_data, }, - .resource = &wgt634u_flash_resource, - .num_resources = 1, -}; - -/* Platform devices */ -static struct platform_device *wgt634u_devices[] __initdata = { - &wgt634u_flash, - &wgt634u_gpio_leds, -}; - -static irqreturn_t gpio_interrupt(int irq, void *ignored) -{ - int state; - - /* Interrupts are shared, check if the current one is - a GPIO interrupt. */ - if (!ssb_chipco_irq_status(&ssb_bcm47xx.chipco, - SSB_CHIPCO_IRQ_GPIO)) - return IRQ_NONE; - - state = gpio_get_value(WGT634U_GPIO_RESET); - - /* Interrupt are level triggered, revert the interrupt polarity - to clear the interrupt. */ - gpio_polarity(WGT634U_GPIO_RESET, state); - - if (!state) { - printk(KERN_INFO "Reset button pressed"); - ctrl_alt_del(); - } - - return IRQ_HANDLED; -} - -static int __init wgt634u_init(void) -{ - /* There is no easy way to detect that we are running on a WGT634U - * machine. Use the MAC address as an heuristic. Netgear Inc. has - * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx. - */ - - u8 *et0mac = ssb_bcm47xx.sprom.et0mac; - - if (et0mac[0] == 0x00 && - ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) || - (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) { - struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; - - printk(KERN_INFO "WGT634U machine detected.\n"); - - if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET), - gpio_interrupt, IRQF_SHARED, - "WGT634U GPIO", &ssb_bcm47xx.chipco)) { - gpio_direction_input(WGT634U_GPIO_RESET); - gpio_intmask(WGT634U_GPIO_RESET, 1); - ssb_chipco_irq_mask(&ssb_bcm47xx.chipco, - SSB_CHIPCO_IRQ_GPIO, - SSB_CHIPCO_IRQ_GPIO); - } - - wgt634u_flash_data.width = mcore->flash_buswidth; - wgt634u_flash_resource.start = mcore->flash_window; - wgt634u_flash_resource.end = mcore->flash_window - + mcore->flash_window_size - - 1; - return platform_add_devices(wgt634u_devices, - ARRAY_SIZE(wgt634u_devices)); - } else - return -ENODEV; -} - -module_init(wgt634u_init);