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authorRafał Miłecki <zajec5@gmail.com>2014-01-02 07:53:15 -0500
committerRalf Baechle <ralf@linux-mips.org>2014-01-24 16:39:52 -0500
commit68e30f30875d4e4608cebec27ca8bd07be0d0f64 (patch)
tree7f6d395f72286f3c960f9a2f75a01ee8f82a2267 /arch/mips/bcm47xx
parent2d0816dcb7edee71760e94ab1f47c4655610e43c (diff)
MIPS: BCM47XX: Drop WGT634U hacks
This old wgt634u.c was trying to implement a bit ugly support for Netgear WGT634U. It provided info about LED, flash mapping & layout and was trying to handle reset button. This is not needed anymore as we have replacement for all this stuff. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6302/
Diffstat (limited to 'arch/mips/bcm47xx')
-rw-r--r--arch/mips/bcm47xx/Makefile1
-rw-r--r--arch/mips/bcm47xx/wgt634u.c174
2 files changed, 0 insertions, 175 deletions
diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile
index 006a05e4cf6d..4688b6a6211b 100644
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -5,4 +5,3 @@
5 5
6obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o 6obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
7obj-y += board.o buttons.o leds.o 7obj-y += board.o buttons.o leds.o
8obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
diff --git a/arch/mips/bcm47xx/wgt634u.c b/arch/mips/bcm47xx/wgt634u.c
deleted file mode 100644
index c63a4c287b5c..000000000000
--- a/arch/mips/bcm47xx/wgt634u.c
+++ /dev/null
@@ -1,174 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
7 */
8
9#include <linux/platform_device.h>
10#include <linux/module.h>
11#include <linux/leds.h>
12#include <linux/mtd/physmap.h>
13#include <linux/ssb/ssb.h>
14#include <linux/ssb/ssb_embedded.h>
15#include <linux/interrupt.h>
16#include <linux/reboot.h>
17#include <linux/gpio.h>
18#include <asm/mach-bcm47xx/bcm47xx.h>
19
20/* GPIO definitions for the WGT634U */
21#define WGT634U_GPIO_LED 3
22#define WGT634U_GPIO_RESET 2
23#define WGT634U_GPIO_TP1 7
24#define WGT634U_GPIO_TP2 6
25#define WGT634U_GPIO_TP3 5
26#define WGT634U_GPIO_TP4 4
27#define WGT634U_GPIO_TP5 1
28
29static struct gpio_led wgt634u_leds[] = {
30 {
31 .name = "power",
32 .gpio = WGT634U_GPIO_LED,
33 .active_low = 1,
34 .default_trigger = "heartbeat",
35 },
36};
37
38static struct gpio_led_platform_data wgt634u_led_data = {
39 .num_leds = ARRAY_SIZE(wgt634u_leds),
40 .leds = wgt634u_leds,
41};
42
43static struct platform_device wgt634u_gpio_leds = {
44 .name = "leds-gpio",
45 .id = -1,
46 .dev = {
47 .platform_data = &wgt634u_led_data,
48 }
49};
50
51
52/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U
53 firmware. */
54static struct mtd_partition wgt634u_partitions[] = {
55 {
56 .name = "cfe",
57 .offset = 0,
58 .size = 0x60000, /* 384k */
59 .mask_flags = MTD_WRITEABLE /* force read-only */
60 },
61 {
62 .name = "config",
63 .offset = 0x60000,
64 .size = 0x20000 /* 128k */
65 },
66 {
67 .name = "linux",
68 .offset = 0x80000,
69 .size = 0x140000 /* 1280k */
70 },
71 {
72 .name = "jffs",
73 .offset = 0x1c0000,
74 .size = 0x620000 /* 6272k */
75 },
76 {
77 .name = "nvram",
78 .offset = 0x7e0000,
79 .size = 0x20000 /* 128k */
80 },
81};
82
83static struct physmap_flash_data wgt634u_flash_data = {
84 .parts = wgt634u_partitions,
85 .nr_parts = ARRAY_SIZE(wgt634u_partitions)
86};
87
88static struct resource wgt634u_flash_resource = {
89 .flags = IORESOURCE_MEM,
90};
91
92static struct platform_device wgt634u_flash = {
93 .name = "physmap-flash",
94 .id = 0,
95 .dev = { .platform_data = &wgt634u_flash_data, },
96 .resource = &wgt634u_flash_resource,
97 .num_resources = 1,
98};
99
100/* Platform devices */
101static struct platform_device *wgt634u_devices[] __initdata = {
102 &wgt634u_flash,
103 &wgt634u_gpio_leds,
104};
105
106static irqreturn_t gpio_interrupt(int irq, void *ignored)
107{
108 int state;
109
110 /* Interrupts are shared, check if the current one is
111 a GPIO interrupt. */
112 if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
113 SSB_CHIPCO_IRQ_GPIO))
114 return IRQ_NONE;
115
116 state = gpio_get_value(WGT634U_GPIO_RESET);
117
118 /* Interrupt are level triggered, revert the interrupt polarity
119 to clear the interrupt. */
120 ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET,
121 state ? 1 << WGT634U_GPIO_RESET : 0);
122
123 if (!state) {
124 printk(KERN_INFO "Reset button pressed");
125 ctrl_alt_del();
126 }
127
128 return IRQ_HANDLED;
129}
130
131static int __init wgt634u_init(void)
132{
133 /* There is no easy way to detect that we are running on a WGT634U
134 * machine. Use the MAC address as an heuristic. Netgear Inc. has
135 * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.
136 */
137 u8 *et0mac;
138
139 if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB)
140 return -ENODEV;
141
142 et0mac = bcm47xx_bus.ssb.sprom.et0mac;
143
144 if (et0mac[0] == 0x00 &&
145 ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
146 (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
147 struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
148
149 printk(KERN_INFO "WGT634U machine detected.\n");
150
151 if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
152 gpio_interrupt, IRQF_SHARED,
153 "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
154 gpio_direction_input(WGT634U_GPIO_RESET);
155 ssb_gpio_intmask(&bcm47xx_bus.ssb,
156 1 << WGT634U_GPIO_RESET,
157 1 << WGT634U_GPIO_RESET);
158 ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
159 SSB_CHIPCO_IRQ_GPIO,
160 SSB_CHIPCO_IRQ_GPIO);
161 }
162
163 wgt634u_flash_data.width = mcore->pflash.buswidth;
164 wgt634u_flash_resource.start = mcore->pflash.window;
165 wgt634u_flash_resource.end = mcore->pflash.window
166 + mcore->pflash.window_size
167 - 1;
168 return platform_add_devices(wgt634u_devices,
169 ARRAY_SIZE(wgt634u_devices));
170 } else
171 return -ENODEV;
172}
173
174module_init(wgt634u_init);
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