brcm47xx: add initial support for devices with bcma bus.
[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-3.0 / 812-disable_wgt634u_crap.patch
1 --- a/arch/mips/bcm47xx/Makefile
2 +++ b/arch/mips/bcm47xx/Makefile
3 @@ -4,4 +4,3 @@
4 #
5
6 obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o
7 -obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
8 --- a/arch/mips/bcm47xx/wgt634u.c
9 +++ /dev/null
10 @@ -1,169 +0,0 @@
11 -/*
12 - * This file is subject to the terms and conditions of the GNU General Public
13 - * License. See the file "COPYING" in the main directory of this archive
14 - * for more details.
15 - *
16 - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
17 - */
18 -
19 -#include <linux/platform_device.h>
20 -#include <linux/module.h>
21 -#include <linux/leds.h>
22 -#include <linux/mtd/physmap.h>
23 -#include <linux/ssb/ssb.h>
24 -#include <linux/interrupt.h>
25 -#include <linux/reboot.h>
26 -#include <linux/gpio.h>
27 -#include <asm/mach-bcm47xx/bcm47xx.h>
28 -
29 -/* GPIO definitions for the WGT634U */
30 -#define WGT634U_GPIO_LED 3
31 -#define WGT634U_GPIO_RESET 2
32 -#define WGT634U_GPIO_TP1 7
33 -#define WGT634U_GPIO_TP2 6
34 -#define WGT634U_GPIO_TP3 5
35 -#define WGT634U_GPIO_TP4 4
36 -#define WGT634U_GPIO_TP5 1
37 -
38 -static struct gpio_led wgt634u_leds[] = {
39 - {
40 - .name = "power",
41 - .gpio = WGT634U_GPIO_LED,
42 - .active_low = 1,
43 - .default_trigger = "heartbeat",
44 - },
45 -};
46 -
47 -static struct gpio_led_platform_data wgt634u_led_data = {
48 - .num_leds = ARRAY_SIZE(wgt634u_leds),
49 - .leds = wgt634u_leds,
50 -};
51 -
52 -static struct platform_device wgt634u_gpio_leds = {
53 - .name = "leds-gpio",
54 - .id = -1,
55 - .dev = {
56 - .platform_data = &wgt634u_led_data,
57 - }
58 -};
59 -
60 -
61 -/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U
62 - firmware. */
63 -static struct mtd_partition wgt634u_partitions[] = {
64 - {
65 - .name = "cfe",
66 - .offset = 0,
67 - .size = 0x60000, /* 384k */
68 - .mask_flags = MTD_WRITEABLE /* force read-only */
69 - },
70 - {
71 - .name = "config",
72 - .offset = 0x60000,
73 - .size = 0x20000 /* 128k */
74 - },
75 - {
76 - .name = "linux",
77 - .offset = 0x80000,
78 - .size = 0x140000 /* 1280k */
79 - },
80 - {
81 - .name = "jffs",
82 - .offset = 0x1c0000,
83 - .size = 0x620000 /* 6272k */
84 - },
85 - {
86 - .name = "nvram",
87 - .offset = 0x7e0000,
88 - .size = 0x20000 /* 128k */
89 - },
90 -};
91 -
92 -static struct physmap_flash_data wgt634u_flash_data = {
93 - .parts = wgt634u_partitions,
94 - .nr_parts = ARRAY_SIZE(wgt634u_partitions)
95 -};
96 -
97 -static struct resource wgt634u_flash_resource = {
98 - .flags = IORESOURCE_MEM,
99 -};
100 -
101 -static struct platform_device wgt634u_flash = {
102 - .name = "physmap-flash",
103 - .id = 0,
104 - .dev = { .platform_data = &wgt634u_flash_data, },
105 - .resource = &wgt634u_flash_resource,
106 - .num_resources = 1,
107 -};
108 -
109 -/* Platform devices */
110 -static struct platform_device *wgt634u_devices[] __initdata = {
111 - &wgt634u_flash,
112 - &wgt634u_gpio_leds,
113 -};
114 -
115 -static irqreturn_t gpio_interrupt(int irq, void *ignored)
116 -{
117 - int state;
118 -
119 - /* Interrupts are shared, check if the current one is
120 - a GPIO interrupt. */
121 - if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
122 - SSB_CHIPCO_IRQ_GPIO))
123 - return IRQ_NONE;
124 -
125 - state = gpio_get_value(WGT634U_GPIO_RESET);
126 -
127 - /* Interrupt are level triggered, revert the interrupt polarity
128 - to clear the interrupt. */
129 - gpio_polarity(WGT634U_GPIO_RESET, state);
130 -
131 - if (!state) {
132 - printk(KERN_INFO "Reset button pressed");
133 - ctrl_alt_del();
134 - }
135 -
136 - return IRQ_HANDLED;
137 -}
138 -
139 -static int __init wgt634u_init(void)
140 -{
141 - /* There is no easy way to detect that we are running on a WGT634U
142 - * machine. Use the MAC address as an heuristic. Netgear Inc. has
143 - * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.
144 - */
145 -
146 - if (bcm47xx_active_bus_type != BCM47XX_BUS_TYPE_SSB)
147 - return -ENODEV;
148 -
149 - u8 *et0mac = bcm47xx_bus.ssb.sprom.et0mac;
150 -
151 - if (et0mac[0] == 0x00 &&
152 - ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
153 - (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
154 - struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
155 -
156 - printk(KERN_INFO "WGT634U machine detected.\n");
157 -
158 - if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
159 - gpio_interrupt, IRQF_SHARED,
160 - "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
161 - gpio_direction_input(WGT634U_GPIO_RESET);
162 - gpio_intmask(WGT634U_GPIO_RESET, 1);
163 - ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
164 - SSB_CHIPCO_IRQ_GPIO,
165 - SSB_CHIPCO_IRQ_GPIO);
166 - }
167 -
168 - wgt634u_flash_data.width = mcore->flash_buswidth;
169 - wgt634u_flash_resource.start = mcore->flash_window;
170 - wgt634u_flash_resource.end = mcore->flash_window
171 - + mcore->flash_window_size
172 - - 1;
173 - return platform_add_devices(wgt634u_devices,
174 - ARRAY_SIZE(wgt634u_devices));
175 - } else
176 - return -ENODEV;
177 -}
178 -
179 -module_init(wgt634u_init);