mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-05 14:07:30 +02:00
bf183aeff8
* this adds sflash support for ssb devices * the flash is now a platform device * minor updates git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27902 3c298f89-4303-0410-b956-a3cf2f4a3e73
181 lines
4.5 KiB
Diff
181 lines
4.5 KiB
Diff
--- a/arch/mips/bcm47xx/Makefile
|
|
+++ b/arch/mips/bcm47xx/Makefile
|
|
@@ -4,4 +4,3 @@
|
|
#
|
|
|
|
obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o bus.o
|
|
-obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
|
|
--- a/arch/mips/bcm47xx/wgt634u.c
|
|
+++ /dev/null
|
|
@@ -1,170 +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(&bcm47xx_bus.ssb.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;
|
|
-
|
|
- if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB)
|
|
- return -ENODEV;
|
|
-
|
|
- et0mac = bcm47xx_bus.ssb.sprom.et0mac;
|
|
-
|
|
- if (et0mac[0] == 0x00 &&
|
|
- ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
|
|
- (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
|
|
- struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
|
|
-
|
|
- printk(KERN_INFO "WGT634U machine detected.\n");
|
|
-
|
|
- if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
|
|
- gpio_interrupt, IRQF_SHARED,
|
|
- "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
|
|
- gpio_direction_input(WGT634U_GPIO_RESET);
|
|
- gpio_intmask(WGT634U_GPIO_RESET, 1);
|
|
- ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
|
|
- SSB_CHIPCO_IRQ_GPIO,
|
|
- SSB_CHIPCO_IRQ_GPIO);
|
|
- }
|
|
-
|
|
- wgt634u_flash_data.width = mcore->pflash.buswidth;
|
|
- wgt634u_flash_resource.start = mcore->pflash.window;
|
|
- wgt634u_flash_resource.end = mcore->pflash.window
|
|
- + mcore->pflash.window_size
|
|
- - 1;
|
|
- return platform_add_devices(wgt634u_devices,
|
|
- ARRAY_SIZE(wgt634u_devices));
|
|
- } else
|
|
- return -ENODEV;
|
|
-}
|
|
-
|
|
-module_init(wgt634u_init);
|