target/linux/x86/patches-3.2/005-net5501_platform.patch

   1 --- a/arch/x86/Kconfig
   2 +++ b/arch/x86/Kconfig
   3 @@ -2097,6 +2097,12 @@ config GEOS
   4         ---help---
   5           This option enables system support for the Traverse Technologies GEOS.
   6
   7 +config NET5501
   8 +       bool "Soekris Engineering net5501 System Support (LEDS, GPIO, etc)"
   9 +       select GPIOLIB
  10 +       ---help---
  11 +         This option enables system support for the Soekris Engineering net5501.
  12 +
  13  endif # X86_32
  14
  15  config AMD_NB
  16 --- a/arch/x86/platform/geode/Makefile
  17 +++ b/arch/x86/platform/geode/Makefile
  18 @@ -1,2 +1,3 @@
  19  obj-$(CONFIG_ALIX)             += alix.o
  20 +obj-$(CONFIG_NET5501)          += net5501.o
  21  obj-$(CONFIG_GEOS)             += geos.o
  22 --- /dev/null
  23 +++ b/arch/x86/platform/geode/net5501.c
  24 @@ -0,0 +1,154 @@
  25 +/*
  26 + * System Specific setup for Soekris net5501
  27 + * At the moment this means setup of GPIO control of LEDs and buttons
  28 + * on net5501 boards.
  29 + *
  30 + *
  31 + * Copyright (C) 2008-2009 Tower Technologies
  32 + * Written by Alessandro Zummo <a.zummo@towertech.it>
  33 + *
  34 + * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
  35 + * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
  36 + *                and Philip Prindeville <philipp@redfish-solutions.com>
  37 + *
  38 + * This program is free software; you can redistribute it and/or modify
  39 + * it under the terms of the GNU General Public License version 2
  40 + * as published by the Free Software Foundation.
  41 + */
  42 +
  43 +#include <linux/kernel.h>
  44 +#include <linux/init.h>
  45 +#include <linux/io.h>
  46 +#include <linux/string.h>
  47 +#include <linux/module.h>
  48 +#include <linux/leds.h>
  49 +#include <linux/platform_device.h>
  50 +#include <linux/gpio.h>
  51 +#include <linux/input.h>
  52 +#include <linux/gpio_keys.h>
  53 +
  54 +#include <asm/geode.h>
  55 +
  56 +#define BIOS_REGION_BASE               0xffff0000
  57 +#define BIOS_REGION_SIZE               0x00010000
  58 +
  59 +static struct gpio_keys_button net5501_gpio_buttons[] = {
  60 +       {
  61 +               .code = KEY_RESTART,
  62 +               .gpio = 24,
  63 +               .active_low = 1,
  64 +               .desc = "Reset button",
  65 +               .type = EV_KEY,
  66 +               .wakeup = 0,
  67 +               .debounce_interval = 100,
  68 +               .can_disable = 0,
  69 +       }
  70 +};
  71 +static struct gpio_keys_platform_data net5501_buttons_data = {
  72 +       .buttons = net5501_gpio_buttons,
  73 +       .nbuttons = ARRAY_SIZE(net5501_gpio_buttons),
  74 +       .poll_interval = 20,
  75 +};
  76 +
  77 +static struct platform_device net5501_buttons_dev = {
  78 +       .name = "gpio-keys-polled",
  79 +       .id = 1,
  80 +       .dev = {
  81 +               .platform_data = &net5501_buttons_data,
  82 +       }
  83 +};
  84 +
  85 +static struct gpio_led net5501_leds[] = {
  86 +       {
  87 +               .name = "net5501:1",
  88 +               .gpio = 6,
  89 +               .default_trigger = "default-on",
  90 +               .active_low = 1,
  91 +       },
  92 +};
  93 +
  94 +static struct gpio_led_platform_data net5501_leds_data = {
  95 +       .num_leds = ARRAY_SIZE(net5501_leds),
  96 +       .leds = net5501_leds,
  97 +};
  98 +
  99 +static struct platform_device net5501_leds_dev = {
 100 +       .name = "leds-gpio",
 101 +       .id = -1,
 102 +       .dev.platform_data = &net5501_leds_data,
 103 +};
 104 +
 105 +static struct __initdata platform_device *net5501_devs[] = {
 106 +       &net5501_buttons_dev,
 107 +       &net5501_leds_dev,
 108 +};
 109 +
 110 +static void __init register_net5501(void)
 111 +{
 112 +       /* Setup LED control through leds-gpio driver */
 113 +       platform_add_devices(net5501_devs, ARRAY_SIZE(net5501_devs));
 114 +}
 115 +
 116 +struct net5501_board {
 117 +       u16     offset;
 118 +       u16     len;
 119 +       char    *sig;
 120 +};
 121 +
 122 +static struct net5501_board __initdata boards[] = {
 123 +       { 0xb7b, 7, "net5501" },        /* net5501 v1.33/1.33c */
 124 +       { 0xb1f, 7, "net5501" },        /* net5501 v1.32i */
 125 +};
 126 +
 127 +static bool __init net5501_present(void)
 128 +{
 129 +       int i;
 130 +       unsigned char *rombase, *bios;
 131 +       bool found = false;
 132 +
 133 +       rombase = ioremap(BIOS_REGION_BASE, BIOS_REGION_SIZE - 1);
 134 +       if (!rombase) {
 135 +               printk(KERN_ERR "%s: failed to get rombase\n", KBUILD_MODNAME);
 136 +               return found;
 137 +       }
 138 +
 139 +       bios = rombase + 0x20;  /* null terminated */
 140 +
 141 +       if (memcmp(bios, "comBIOS", 7))
 142 +               goto unmap;
 143 +
 144 +       for (i = 0; i < ARRAY_SIZE(boards); i++) {
 145 +               unsigned char *model = rombase + boards[i].offset;
 146 +
 147 +               if (!memcmp(model, boards[i].sig, boards[i].len)) {
 148 +                       printk(KERN_INFO "%s: system is recognized as \"%s\"\n",
 149 +                              KBUILD_MODNAME, model);
 150 +
 151 +                       found = true;
 152 +                       break;
 153 +               }
 154 +       }
 155 +
 156 +unmap:
 157 +       iounmap(rombase);
 158 +       return found;
 159 +}
 160 +
 161 +static int __init net5501_init(void)
 162 +{
 163 +       if (!is_geode())
 164 +               return 0;
 165 +
 166 +       if (!net5501_present())
 167 +               return 0;
 168 +
 169 +       register_net5501();
 170 +
 171 +       return 0;
 172 +}
 173 +
 174 +module_init(net5501_init);
 175 +
 176 +MODULE_AUTHOR("Philip Prindeville <philipp@redfish-solutions.com>");
 177 +MODULE_DESCRIPTION("Soekris net5501 System Setup");
 178 +MODULE_LICENSE("GPL");
 179 --- a/drivers/leds/leds-net5501.c
 180 +++ /dev/null
 181 @@ -1,97 +0,0 @@
 182 -/*
 183 - * Soekris board support code
 184 - *
 185 - * Copyright (C) 2008-2009 Tower Technologies
 186 - * Written by Alessandro Zummo <a.zummo@towertech.it>
 187 - *
 188 - * This program is free software; you can redistribute it and/or modify
 189 - * it under the terms of the GNU General Public License version 2
 190 - * as published by the Free Software Foundation.
 191 - */
 192 -
 193 -#include <linux/kernel.h>
 194 -#include <linux/init.h>
 195 -#include <linux/io.h>
 196 -#include <linux/string.h>
 197 -#include <linux/leds.h>
 198 -#include <linux/platform_device.h>
 199 -#include <linux/gpio.h>
 200 -#include <linux/module.h>
 201 -
 202 -#include <asm/geode.h>
 203 -
 204 -static const struct gpio_led net5501_leds[] = {
 205 -       {
 206 -               .name = "error",
 207 -               .gpio = 6,
 208 -               .default_trigger = "default-on",
 209 -       },
 210 -};
 211 -
 212 -static struct gpio_led_platform_data net5501_leds_data = {
 213 -       .num_leds = ARRAY_SIZE(net5501_leds),
 214 -       .leds = net5501_leds,
 215 -};
 216 -
 217 -static struct platform_device net5501_leds_dev = {
 218 -       .name = "leds-gpio",
 219 -       .id = -1,
 220 -       .dev.platform_data = &net5501_leds_data,
 221 -};
 222 -
 223 -static void __init init_net5501(void)
 224 -{
 225 -       platform_device_register(&net5501_leds_dev);
 226 -}
 227 -
 228 -struct soekris_board {
 229 -       u16     offset;
 230 -       char    *sig;
 231 -       u8      len;
 232 -       void    (*init)(void);
 233 -};
 234 -
 235 -static struct soekris_board __initdata boards[] = {
 236 -       { 0xb7b, "net5501", 7, init_net5501 },  /* net5501 v1.33/1.33c */
 237 -       { 0xb1f, "net5501", 7, init_net5501 },  /* net5501 v1.32i */
 238 -};
 239 -
 240 -static int __init soekris_init(void)
 241 -{
 242 -       int i;
 243 -       unsigned char *rombase, *bios;
 244 -
 245 -       if (!is_geode())
 246 -               return 0;
 247 -
 248 -       rombase = ioremap(0xffff0000, 0xffff);
 249 -       if (!rombase) {
 250 -               printk(KERN_INFO "Soekris net5501 LED driver failed to get rombase");
 251 -               return 0;
 252 -       }
 253 -
 254 -       bios = rombase + 0x20;  /* null terminated */
 255 -
 256 -       if (strncmp(bios, "comBIOS", 7))
 257 -               goto unmap;
 258 -
 259 -       for (i = 0; i < ARRAY_SIZE(boards); i++) {
 260 -               unsigned char *model = rombase + boards[i].offset;
 261 -
 262 -               if (strncmp(model, boards[i].sig, boards[i].len) == 0) {
 263 -                       printk(KERN_INFO "Soekris %s: %s\n", model, bios);
 264 -
 265 -                       if (boards[i].init)
 266 -                               boards[i].init();
 267 -                       break;
 268 -               }
 269 -       }
 270 -
 271 -unmap:
 272 -       iounmap(rombase);
 273 -       return 0;
 274 -}
 275 -
 276 -arch_initcall(soekris_init);
 277 -
 278 -MODULE_LICENSE("GPL");
 279 --- a/drivers/leds/Kconfig
 280 +++ b/drivers/leds/Kconfig
 281 @@ -89,16 +89,6 @@ config LEDS_NET48XX
 282           This option enables support for the Soekris net4801 and net4826 error
 283           LED.
 284
 285 -config LEDS_NET5501
 286 -       tristate "LED Support for Soekris net5501 series Error LED"
 287 -       depends on LEDS_TRIGGERS
 288 -       depends on X86 && GPIO_CS5535
 289 -       select LEDS_TRIGGER_DEFAULT_ON
 290 -       default n
 291 -       help
 292 -         Add support for the Soekris net5501 board (detection, error led
 293 -         and GPIO).
 294 -
 295  config LEDS_FSG
 296         tristate "LED Support for the Freecom FSG-3"
 297         depends on LEDS_CLASS
 298 --- a/drivers/leds/Makefile
 299 +++ b/drivers/leds/Makefile
 300 @@ -14,7 +14,6 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532)     += led
 301  obj-$(CONFIG_LEDS_S3C24XX)             += leds-s3c24xx.o
 302  obj-$(CONFIG_LEDS_AMS_DELTA)           += leds-ams-delta.o
 303  obj-$(CONFIG_LEDS_NET48XX)             += leds-net48xx.o
 304 -obj-$(CONFIG_LEDS_NET5501)             += leds-net5501.o
 305  obj-$(CONFIG_LEDS_WRAP)                        += leds-wrap.o
 306  obj-$(CONFIG_LEDS_COBALT_QUBE)         += leds-cobalt-qube.o
 307  obj-$(CONFIG_LEDS_COBALT_RAQ)          += leds-cobalt-raq.o