target/linux/brcm47xx/patches-3.10/127-MIPS-BCM47XX-Drop-WGT634U-hacks.patch

   1 From 68e30f30875d4e4608cebec27ca8bd07be0d0f64 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Thu, 2 Jan 2014 13:53:15 +0100
   4 Subject: [PATCH] MIPS: BCM47XX: Drop WGT634U hacks
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 This old wgt634u.c was trying to implement a bit ugly support for
  10 Netgear WGT634U. It provided info about LED, flash mapping & layout and
  11 was trying to handle reset button.
  12
  13 This is not needed anymore as we have replacement for all this stuff.
  14
  15 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  16 Signed-off-by: John Crispin <blogic@openwrt.org>
  17 Patchwork: http://patchwork.linux-mips.org/patch/6302/
  18 ---
  19  arch/mips/bcm47xx/Makefile  |   1 -
  20  arch/mips/bcm47xx/wgt634u.c | 174 --------------------------------------------
  21  2 files changed, 175 deletions(-)
  22  delete mode 100644 arch/mips/bcm47xx/wgt634u.c
  23
  24 --- a/arch/mips/bcm47xx/Makefile
  25 +++ b/arch/mips/bcm47xx/Makefile
  26 @@ -5,4 +5,3 @@
  27
  28  obj-y                          += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
  29  obj-y                          += board.o buttons.o leds.o
  30 -obj-$(CONFIG_BCM47XX_SSB)      += wgt634u.o
  31 --- a/arch/mips/bcm47xx/wgt634u.c
  32 +++ /dev/null
  33 @@ -1,174 +0,0 @@
  34 -/*
  35 - * This file is subject to the terms and conditions of the GNU General Public
  36 - * License.  See the file "COPYING" in the main directory of this archive
  37 - * for more details.
  38 - *
  39 - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
  40 - */
  41 -
  42 -#include <linux/platform_device.h>
  43 -#include <linux/module.h>
  44 -#include <linux/leds.h>
  45 -#include <linux/mtd/physmap.h>
  46 -#include <linux/ssb/ssb.h>
  47 -#include <linux/ssb/ssb_embedded.h>
  48 -#include <linux/interrupt.h>
  49 -#include <linux/reboot.h>
  50 -#include <linux/gpio.h>
  51 -#include <asm/mach-bcm47xx/bcm47xx.h>
  52 -
  53 -/* GPIO definitions for the WGT634U */
  54 -#define WGT634U_GPIO_LED       3
  55 -#define WGT634U_GPIO_RESET     2
  56 -#define WGT634U_GPIO_TP1       7
  57 -#define WGT634U_GPIO_TP2       6
  58 -#define WGT634U_GPIO_TP3       5
  59 -#define WGT634U_GPIO_TP4       4
  60 -#define WGT634U_GPIO_TP5       1
  61 -
  62 -static struct gpio_led wgt634u_leds[] = {
  63 -       {
  64 -               .name = "power",
  65 -               .gpio = WGT634U_GPIO_LED,
  66 -               .active_low = 1,
  67 -               .default_trigger = "heartbeat",
  68 -       },
  69 -};
  70 -
  71 -static struct gpio_led_platform_data wgt634u_led_data = {
  72 -       .num_leds =     ARRAY_SIZE(wgt634u_leds),
  73 -       .leds =         wgt634u_leds,
  74 -};
  75 -
  76 -static struct platform_device wgt634u_gpio_leds = {
  77 -       .name =         "leds-gpio",
  78 -       .id =           -1,
  79 -       .dev = {
  80 -               .platform_data = &wgt634u_led_data,
  81 -       }
  82 -};
  83 -
  84 -
  85 -/* 8MiB flash. The struct mtd_partition matches original Netgear WGT634U
  86 -   firmware. */
  87 -static struct mtd_partition wgt634u_partitions[] = {
  88 -       {
  89 -               .name       = "cfe",
  90 -               .offset     = 0,
  91 -               .size       = 0x60000,          /* 384k */
  92 -               .mask_flags = MTD_WRITEABLE     /* force read-only */
  93 -       },
  94 -       {
  95 -               .name   = "config",
  96 -               .offset = 0x60000,
  97 -               .size   = 0x20000               /* 128k */
  98 -       },
  99 -       {
 100 -               .name   = "linux",
 101 -               .offset = 0x80000,
 102 -               .size   = 0x140000              /* 1280k */
 103 -       },
 104 -       {
 105 -               .name   = "jffs",
 106 -               .offset = 0x1c0000,
 107 -               .size   = 0x620000              /* 6272k */
 108 -       },
 109 -       {
 110 -               .name   = "nvram",
 111 -               .offset = 0x7e0000,
 112 -               .size   = 0x20000               /* 128k */
 113 -       },
 114 -};
 115 -
 116 -static struct physmap_flash_data wgt634u_flash_data = {
 117 -       .parts    = wgt634u_partitions,
 118 -       .nr_parts = ARRAY_SIZE(wgt634u_partitions)
 119 -};
 120 -
 121 -static struct resource wgt634u_flash_resource = {
 122 -       .flags = IORESOURCE_MEM,
 123 -};
 124 -
 125 -static struct platform_device wgt634u_flash = {
 126 -       .name          = "physmap-flash",
 127 -       .id            = 0,
 128 -       .dev           = { .platform_data = &wgt634u_flash_data, },
 129 -       .resource      = &wgt634u_flash_resource,
 130 -       .num_resources = 1,
 131 -};
 132 -
 133 -/* Platform devices */
 134 -static struct platform_device *wgt634u_devices[] __initdata = {
 135 -       &wgt634u_flash,
 136 -       &wgt634u_gpio_leds,
 137 -};
 138 -
 139 -static irqreturn_t gpio_interrupt(int irq, void *ignored)
 140 -{
 141 -       int state;
 142 -
 143 -       /* Interrupts are shared, check if the current one is
 144 -          a GPIO interrupt. */
 145 -       if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
 146 -                                  SSB_CHIPCO_IRQ_GPIO))
 147 -               return IRQ_NONE;
 148 -
 149 -       state = gpio_get_value(WGT634U_GPIO_RESET);
 150 -
 151 -       /* Interrupt are level triggered, revert the interrupt polarity
 152 -          to clear the interrupt. */
 153 -       ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET,
 154 -                         state ? 1 << WGT634U_GPIO_RESET : 0);
 155 -
 156 -       if (!state) {
 157 -               printk(KERN_INFO "Reset button pressed");
 158 -               ctrl_alt_del();
 159 -       }
 160 -
 161 -       return IRQ_HANDLED;
 162 -}
 163 -
 164 -static int __init wgt634u_init(void)
 165 -{
 166 -       /* There is no easy way to detect that we are running on a WGT634U
 167 -        * machine. Use the MAC address as an heuristic. Netgear Inc. has
 168 -        * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.
 169 -        */
 170 -       u8 *et0mac;
 171 -
 172 -       if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB)
 173 -               return -ENODEV;
 174 -
 175 -       et0mac = bcm47xx_bus.ssb.sprom.et0mac;
 176 -
 177 -       if (et0mac[0] == 0x00 &&
 178 -           ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||
 179 -            (et0mac[1] == 0x0f && et0mac[2] == 0xb5))) {
 180 -               struct ssb_mipscore *mcore = &bcm47xx_bus.ssb.mipscore;
 181 -
 182 -               printk(KERN_INFO "WGT634U machine detected.\n");
 183 -
 184 -               if (!request_irq(gpio_to_irq(WGT634U_GPIO_RESET),
 185 -                                gpio_interrupt, IRQF_SHARED,
 186 -                                "WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
 187 -                       gpio_direction_input(WGT634U_GPIO_RESET);
 188 -                       ssb_gpio_intmask(&bcm47xx_bus.ssb,
 189 -                                        1 << WGT634U_GPIO_RESET,
 190 -                                        1 << WGT634U_GPIO_RESET);
 191 -                       ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
 192 -                                           SSB_CHIPCO_IRQ_GPIO,
 193 -                                           SSB_CHIPCO_IRQ_GPIO);
 194 -               }
 195 -
 196 -               wgt634u_flash_data.width = mcore->pflash.buswidth;
 197 -               wgt634u_flash_resource.start = mcore->pflash.window;
 198 -               wgt634u_flash_resource.end = mcore->pflash.window
 199 -                                          + mcore->pflash.window_size
 200 -                                          - 1;
 201 -               return platform_add_devices(wgt634u_devices,
 202 -                                           ARRAY_SIZE(wgt634u_devices));
 203 -       } else
 204 -               return -ENODEV;
 205 -}
 206 -
 207 -module_init(wgt634u_init);