target/linux/rdc/patches-2.6.28/002-platform_support.patch

   1 Index: linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c
   2 ===================================================================
   3 --- linux-2.6.28.10.orig/arch/x86/mach-rdc321x/gpio.c   2009-11-03 21:01:29.800401126 -0800
   4 +++ linux-2.6.28.10/arch/x86/mach-rdc321x/gpio.c        2009-11-03 21:01:32.164401226 -0800
   5 @@ -26,7 +26,7 @@
   6  #include <linux/types.h>
   7  #include <linux/module.h>
   8
   9 -#include <asm/gpio.h>
  10 +#include <asm/mach-rdc321x/gpio.h>
  11  #include <asm/mach-rdc321x/rdc321x_defs.h>
  12
  13
  14 @@ -74,8 +74,8 @@
  15  }
  16
  17  /* initially setup the 2 copies of the gpio data registers.
  18 -   This function must be called by the platform setup code. */
  19 -void __init rdc321x_gpio_setup()
  20 +   This function is called before the platform setup code. */
  21 +static int __init rdc321x_gpio_setup(void)
  22  {
  23         /* this might not be, what others (BIOS, bootloader, etc.)
  24            wrote to these registers before, but it's a good guess. Still
  25 @@ -83,6 +83,8 @@
  26
  27         gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1);
  28         gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2);
  29 +
  30 +       return 0;
  31  }
  32
  33  /* determine, if gpio number is valid */
  34 @@ -192,3 +194,5 @@
  35         return 0;
  36  }
  37  EXPORT_SYMBOL(rdc_gpio_direction_output);
  38 +
  39 +arch_initcall(rdc321x_gpio_setup);
  40 Index: linux-2.6.28.10/arch/x86/mach-rdc321x/platform.c
  41 ===================================================================
  42 --- linux-2.6.28.10.orig/arch/x86/mach-rdc321x/platform.c       2009-11-03 21:01:29.836402559 -0800
  43 +++ linux-2.6.28.10/arch/x86/mach-rdc321x/platform.c    2009-11-03 21:13:27.212398945 -0800
  44 @@ -1,7 +1,9 @@
  45  /*
  46   *  Generic RDC321x platform devices
  47   *
  48 + *  Copyright (C) 2007-2008 OpenWrt.org
  49   *  Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
  50 + *  Copyright (C) 2008 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
  51   *
  52   *  This program is free software; you can redistribute it and/or
  53   *  modify it under the terms of the GNU General Public License
  54 @@ -25,13 +27,59 @@
  55  #include <linux/list.h>
  56  #include <linux/device.h>
  57  #include <linux/platform_device.h>
  58 +#include <linux/version.h>
  59  #include <linux/leds.h>
  60 +#include <linux/gpio_keys.h>
  61 +#include <linux/input.h>
  62 +#include <linux/mtd/map.h>
  63 +#include <linux/mtd/mtd.h>
  64 +#include <linux/mtd/physmap.h>
  65 +#include <linux/root_dev.h>
  66
  67 -#include <asm/gpio.h>
  68 +#include <asm/mach-rdc321x/gpio.h>
  69 +
  70 +/* Flash */
  71 +#ifdef CONFIG_MTD_R8610
  72 +#define CONFIG_MTD_RDC3210 1
  73 +#elif defined CONFIG_MTD_RDC3210
  74 +static struct resource rdc_flash_resource[] = {
  75 +       [0] = {
  76 +               .start = (u32)-CONFIG_MTD_RDC3210_SIZE,
  77 +               .end = (u32)-1,
  78 +               .flags = IORESOURCE_MEM,
  79 +       },
  80 +};
  81 +
  82 +static struct platform_device rdc_flash_device = {
  83 +       .name = "rdc321x-flash",
  84 +       .id = -1,
  85 +       .num_resources = ARRAY_SIZE(rdc_flash_resource),
  86 +       .resource = rdc_flash_resource,
  87 +};
  88 +#else
  89 +static struct mtd_partition rdc_flash_parts[15];
  90 +
  91 +static struct resource rdc_flash_resource = {
  92 +       .end = (u32)-1,
  93 +       .flags = IORESOURCE_MEM,
  94 +};
  95 +
  96 +static struct physmap_flash_data rdc_flash_data = {
  97 +       .parts = rdc_flash_parts,
  98 +};
  99 +
 100 +static struct platform_device rdc_flash_device = {
 101 +       .name = "physmap-flash",
 102 +       .id = -1,
 103 +       .resource = &rdc_flash_resource,
 104 +       .num_resources = 1,
 105 +       .dev.platform_data = &rdc_flash_data,
 106 +};
 107 +#endif
 108
 109  /* LEDS */
 110  static struct gpio_led default_leds[] = {
 111 -       { .name = "rdc:dmz", .gpio = 1, },
 112 +       { .name = "rdc321x:dmz", .gpio = 1, },
 113  };
 114
 115  static struct gpio_led_platform_data rdc321x_led_data = {
 116 @@ -54,16 +102,189 @@
 117         .num_resources = 0,
 118  };
 119
 120 +/* Button */
 121 +static struct gpio_keys_button rdc321x_gpio_btn[] = {
 122 +       {
 123 +               .gpio = 0,
 124 +               .code = BTN_0,
 125 +               .desc = "Reset",
 126 +               .active_low = 1,
 127 +       }
 128 +};
 129 +
 130 +static struct gpio_keys_platform_data rdc321x_gpio_btn_data = {
 131 +       .buttons = rdc321x_gpio_btn,
 132 +       .nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
 133 +};
 134 +
 135 +static struct platform_device rdc321x_button = {
 136 +       .name = "gpio-keys",
 137 +       .id = -1,
 138 +       .dev = {
 139 +               .platform_data = &rdc321x_gpio_btn_data,
 140 +       }
 141 +};
 142 +
 143  static struct platform_device *rdc321x_devs[] = {
 144 +       &rdc_flash_device,
 145         &rdc321x_leds,
 146 -       &rdc321x_wdt
 147 +       &rdc321x_wdt,
 148 +       &rdc321x_button,
 149  };
 150
 151 +static int probe_flash_start(struct map_info *the_map)
 152 +{
 153 +       struct mtd_info *res;
 154 +
 155 +       the_map->virt = ioremap(the_map->phys, the_map->size);
 156 +       if (the_map->virt == NULL)
 157 +               return 1;
 158 +       for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth
 159 +                       >>= 1) {
 160 +               res = do_map_probe("cfi_probe", the_map);
 161 +               if (res == NULL)
 162 +                       res = do_map_probe("jedec_probe", the_map);
 163 +               if (res != NULL)
 164 +                       break;
 165 +       }
 166 +       iounmap(the_map->virt);
 167 +       if (res != NULL)
 168 +               the_map->phys = (u32)-(s32)(the_map->size = res->size);
 169 +       return res == NULL;
 170 +}
 171 +
 172  static int __init rdc_board_setup(void)
 173  {
 174 -       rdc321x_gpio_setup();
 175 +#ifndef CONFIG_MTD_RDC3210
 176 +       struct map_info rdc_map_info;
 177 +       u32 the_header[8];
 178
 179 +       ROOT_DEV = 0;
 180 +       rdc_map_info.name = rdc_flash_device.name;
 181 +       rdc_map_info.phys = 0xff000000;
 182 +       rdc_map_info.size = 0x1000000;
 183 +       rdc_map_info.bankwidth = 2;
 184 +       rdc_map_info.set_vpp = NULL;
 185 +       simple_map_init(&rdc_map_info);
 186 +       while (probe_flash_start(&rdc_map_info)) {
 187 +               rdc_map_info.phys++;
 188 +               if (--rdc_map_info.size)
 189 +                       panic("Could not find start of flash!");
 190 +       }
 191 +       rdc_flash_resource.start = rdc_map_info.phys;
 192 +       rdc_flash_data.width = rdc_map_info.bankwidth;
 193 +       rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10);
 194 +       if (rdc_map_info.virt == NULL)
 195 +               panic("Could not ioremap to read device magic!");
 196 +       the_header[0] = ((u32 *)rdc_map_info.virt)[0];
 197 +       the_header[1] = ((u32 *)rdc_map_info.virt)[1];
 198 +       the_header[2] = ((u32 *)rdc_map_info.virt)[2];
 199 +       the_header[3] = ((u32 *)rdc_map_info.virt)[3];
 200 +       iounmap(rdc_map_info.virt);
 201 +       rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10);
 202 +       if (rdc_map_info.virt == NULL)
 203 +               panic("Could not ioremap to read device magic!");
 204 +       the_header[4] = ((u32 *)rdc_map_info.virt)[0];
 205 +       the_header[5] = ((u32 *)rdc_map_info.virt)[1];
 206 +       the_header[6] = ((u32 *)rdc_map_info.virt)[2];
 207 +       the_header[7] = ((u32 *)rdc_map_info.virt)[3];
 208 +       iounmap(rdc_map_info.virt);
 209 +       if (!memcmp(the_header, "GMTK", 4)) {   /* Gemtek */
 210 +               /* TODO */
 211 +       } else if (!memcmp(the_header + 4, "CSYS", 4)) {        /* Sitecom */
 212 +               rdc_flash_parts[0].name = "system";
 213 +               rdc_flash_parts[0].offset = 0;
 214 +               rdc_flash_parts[0].size = rdc_map_info.size - 0x10000;
 215 +               rdc_flash_parts[1].name = "config";
 216 +               rdc_flash_parts[1].offset = 0;
 217 +               rdc_flash_parts[1].size = 0x8000;
 218 +               rdc_flash_parts[2].name = "magic";
 219 +               rdc_flash_parts[2].offset = 0x8000;
 220 +               rdc_flash_parts[2].size = 0x14;
 221 +               rdc_flash_parts[3].name = "kernel";
 222 +               rdc_flash_parts[3].offset = 0x8014;
 223 +               rdc_flash_parts[3].size = the_header[5];
 224 +               rdc_flash_parts[4].name = "rootfs";
 225 +               rdc_flash_parts[4].offset = 0x8014 + the_header[5];
 226 +               rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset;
 227 +               rdc_flash_parts[5].name = "bootloader";
 228 +               rdc_flash_parts[5].offset = rdc_flash_parts[0].size;
 229 +               rdc_flash_parts[5].size = 0x10000;
 230 +               rdc_flash_data.nr_parts = 6;
 231 +       } else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) { /* AMIT */
 232 +               rdc_flash_parts[0].name = "kernel_parthdr";
 233 +               rdc_flash_parts[0].offset = 0;
 234 +               rdc_flash_parts[0].size = 0x10;
 235 +               rdc_flash_parts[1].name = "kernel";
 236 +               rdc_flash_parts[1].offset = 0x10;
 237 +               rdc_flash_parts[1].size = 0xffff0;
 238 +               rdc_flash_parts[2].name = "rootfs_parthdr";
 239 +               rdc_flash_parts[2].offset = 0x100000;
 240 +               rdc_flash_parts[2].size = 0x10;
 241 +               rdc_flash_parts[3].name = "rootfs";
 242 +               rdc_flash_parts[3].offset = 0x100010;
 243 +               rdc_flash_parts[3].size = rdc_map_info.size - 0x160010;
 244 +               rdc_flash_parts[4].name = "config_parthdr";
 245 +               rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000;
 246 +               rdc_flash_parts[4].size = 0x10;
 247 +               rdc_flash_parts[5].name = "config";
 248 +               rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0;
 249 +               rdc_flash_parts[5].size = 0xfff0;
 250 +               rdc_flash_parts[6].name = "recoveryfs_parthdr";
 251 +               rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000;
 252 +               rdc_flash_parts[6].size = 0x10;
 253 +               rdc_flash_parts[7].name = "recoveryfs";
 254 +               rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0;
 255 +               rdc_flash_parts[7].size = 0x3fff0;
 256 +               rdc_flash_parts[8].name = "recovery_parthdr";
 257 +               rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000;
 258 +               rdc_flash_parts[8].size = 0x10;
 259 +               rdc_flash_parts[9].name = "recovery";
 260 +               rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0;
 261 +               rdc_flash_parts[9].size = 0x7ff0;
 262 +               rdc_flash_parts[10].name = "productinfo_parthdr";
 263 +               rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000;
 264 +               rdc_flash_parts[10].size = 0x10;
 265 +               rdc_flash_parts[11].name = "productinfo";
 266 +               rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0;
 267 +               rdc_flash_parts[11].size = 0x1ff0;
 268 +               rdc_flash_parts[12].name = "bootloader_parthdr";
 269 +               rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000;
 270 +               rdc_flash_parts[12].size = 0x10;
 271 +               rdc_flash_parts[13].name = "bootloader";
 272 +               rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0;
 273 +               rdc_flash_parts[13].size = 0x5ff0;
 274 +               rdc_flash_parts[14].name = "everything";
 275 +               rdc_flash_parts[14].offset = 0;
 276 +               rdc_flash_parts[14].size = rdc_map_info.size;
 277 +               rdc_flash_data.nr_parts = 15;
 278 +       } else {        /* ZyXEL */
 279 +               rdc_flash_parts[0].name = "kernel";
 280 +               rdc_flash_parts[0].offset = 0;
 281 +               rdc_flash_parts[0].size = 0x100000;
 282 +               rdc_flash_parts[1].name = "rootfs";
 283 +               rdc_flash_parts[1].offset = 0x100000;
 284 +               rdc_flash_parts[1].size = rdc_map_info.size - 0x140000;
 285 +               rdc_flash_parts[2].name = "linux";
 286 +               rdc_flash_parts[2].offset = 0;
 287 +               rdc_flash_parts[2].size = rdc_map_info.size - 0x40000;
 288 +               rdc_flash_parts[3].name = "config";
 289 +               rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000;
 290 +               rdc_flash_parts[3].size = 0x10000;
 291 +               rdc_flash_parts[4].name = "productinfo";
 292 +               rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000;
 293 +               rdc_flash_parts[4].size = 0x10000;
 294 +               rdc_flash_parts[5].name = "bootloader";
 295 +               rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000;
 296 +               rdc_flash_parts[5].size = 0x20000;
 297 +               rdc_flash_data.nr_parts = 6;
 298 +       }
 299 +#endif
 300         return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
 301  }
 302
 303 +#ifdef CONFIG_MTD_RDC3210
 304  arch_initcall(rdc_board_setup);
 305 +#else
 306 +late_initcall(rdc_board_setup);
 307 +#endif
 308 Index: linux-2.6.28.10/arch/x86/Makefile
 309 ===================================================================
 310 --- linux-2.6.28.10.orig/arch/x86/Makefile      2009-11-03 21:01:29.756400281 -0800
 311 +++ linux-2.6.28.10/arch/x86/Makefile   2009-11-03 21:01:32.164401226 -0800
 312 @@ -113,6 +113,10 @@
 313  mflags-$(CONFIG_X86_VOYAGER)   := -Iarch/x86/include/asm/mach-voyager
 314  mcore-$(CONFIG_X86_VOYAGER)    := arch/x86/mach-voyager/
 315
 316 +# RDC subarch support
 317 +mflags-$(CONFIG_X86_RDC321X)   := -Iarch/x86/include/asm/mach-rdc321x
 318 +mcore-$(CONFIG_X86_RDC321X)    += arch/x86/mach-rdc321x/
 319 +
 320  # generic subarchitecture
 321  mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic
 322  fcore-$(CONFIG_X86_GENERICARCH)        += arch/x86/mach-generic/
 323 Index: linux-2.6.28.10/arch/x86/include/asm/mach-rdc321x/gpio.h
 324 ===================================================================
 325 --- linux-2.6.28.10.orig/arch/x86/include/asm/mach-rdc321x/gpio.h       2009-11-03 21:01:29.784401606 -0800
 326 +++ linux-2.6.28.10/arch/x86/include/asm/mach-rdc321x/gpio.h    2009-11-03 21:01:32.164401226 -0800
 327 @@ -9,7 +9,6 @@
 328  extern int rdc_gpio_direction_output(unsigned gpio, int value);
 329  extern int rdc_gpio_request(unsigned gpio, const char *label);
 330  extern void rdc_gpio_free(unsigned gpio);
 331 -extern void __init rdc321x_gpio_setup(void);
 332
 333  /* Wrappers for the arch-neutral GPIO API */
 334