arch/arm/mach-omap2/devices.c

   1 /*
   2  * linux/arch/arm/mach-omap2/devices.c
   3  *
   4  * OMAP2 platform device setup/initialization
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #include <linux/module.h>
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16
  17 #include <asm/hardware.h>
  18 #include <asm/io.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/map.h>
  21
  22 #include <asm/arch/tc.h>
  23 #include <asm/arch/board.h>
  24 #include <asm/arch/mux.h>
  25 #include <asm/arch/gpio.h>
  26 #include <asm/arch/eac.h>
  27
  28 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
  29
  30 static struct resource cam_resources[] = {
  31         {
  32                 .start          = OMAP24XX_CAMERA_BASE,
  33                 .end            = OMAP24XX_CAMERA_BASE + 0xfff,
  34                 .flags          = IORESOURCE_MEM,
  35         },
  36         {
  37                 .start          = INT_24XX_CAM_IRQ,
  38                 .flags          = IORESOURCE_IRQ,
  39         }
  40 };
  41
  42 static struct platform_device omap_cam_device = {
  43         .name           = "omap24xxcam",
  44         .id             = -1,
  45         .num_resources  = ARRAY_SIZE(cam_resources),
  46         .resource       = cam_resources,
  47 };
  48
  49 static inline void omap_init_camera(void)
  50 {
  51         platform_device_register(&omap_cam_device);
  52 }
  53 #else
  54 static inline void omap_init_camera(void)
  55 {
  56 }
  57 #endif
  58
  59 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
  60 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
  61
  62 static struct resource mbox_resources[] = {
  63         {
  64                 .start          = OMAP2_MBOX_BASE,
  65                 .end            = OMAP2_MBOX_BASE + 0x11f,
  66                 .flags          = IORESOURCE_MEM,
  67         },
  68         {
  69                 .start          = INT_24XX_MAIL_U0_MPU,
  70                 .flags          = IORESOURCE_IRQ,
  71         },
  72         {
  73                 .start          = INT_24XX_MAIL_U3_MPU,
  74                 .flags          = IORESOURCE_IRQ,
  75         },
  76 };
  77
  78 static struct platform_device mbox_device = {
  79         .name           = "mailbox",
  80         .id             = -1,
  81         .num_resources  = ARRAY_SIZE(mbox_resources),
  82         .resource       = mbox_resources,
  83 };
  84
  85 static inline void omap_init_mbox(void)
  86 {
  87         platform_device_register(&mbox_device);
  88 }
  89 #else
  90 static inline void omap_init_mbox(void) { }
  91 #endif
  92
  93 #if defined(CONFIG_OMAP_STI)
  94
  95 #define OMAP2_STI_BASE          IO_ADDRESS(0x48068000)
  96 #define OMAP2_STI_CHANNEL_BASE  0x54000000
  97 #define OMAP2_STI_IRQ           4
  98
  99 static struct resource sti_resources[] = {
 100         {
 101                 .start          = OMAP2_STI_BASE,
 102                 .end            = OMAP2_STI_BASE + 0x7ff,
 103                 .flags          = IORESOURCE_MEM,
 104         },
 105         {
 106                 .start          = OMAP2_STI_CHANNEL_BASE,
 107                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
 108                 .flags          = IORESOURCE_MEM,
 109         },
 110         {
 111                 .start          = OMAP2_STI_IRQ,
 112                 .flags          = IORESOURCE_IRQ,
 113         }
 114 };
 115
 116 static struct platform_device sti_device = {
 117         .name           = "sti",
 118         .id             = -1,
 119         .num_resources  = ARRAY_SIZE(sti_resources),
 120         .resource       = sti_resources,
 121 };
 122
 123 static inline void omap_init_sti(void)
 124 {
 125         platform_device_register(&sti_device);
 126 }
 127 #else
 128 static inline void omap_init_sti(void) {}
 129 #endif
 130
 131 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 132
 133 #include <asm/arch/mcspi.h>
 134
 135 #define OMAP2_MCSPI1_BASE               0x48098000
 136 #define OMAP2_MCSPI2_BASE               0x4809a000
 137
 138 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
 139         .num_cs         = 4,
 140 };
 141
 142 static struct resource omap2_mcspi1_resources[] = {
 143         {
 144                 .start          = OMAP2_MCSPI1_BASE,
 145                 .end            = OMAP2_MCSPI1_BASE + 0xff,
 146                 .flags          = IORESOURCE_MEM,
 147         },
 148 };
 149
 150 struct platform_device omap2_mcspi1 = {
 151         .name           = "omap2_mcspi",
 152         .id             = 1,
 153         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
 154         .resource       = omap2_mcspi1_resources,
 155         .dev            = {
 156                 .platform_data = &omap2_mcspi1_config,
 157         },
 158 };
 159
 160 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
 161         .num_cs         = 2,
 162 };
 163
 164 static struct resource omap2_mcspi2_resources[] = {
 165         {
 166                 .start          = OMAP2_MCSPI2_BASE,
 167                 .end            = OMAP2_MCSPI2_BASE + 0xff,
 168                 .flags          = IORESOURCE_MEM,
 169         },
 170 };
 171
 172 struct platform_device omap2_mcspi2 = {
 173         .name           = "omap2_mcspi",
 174         .id             = 2,
 175         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
 176         .resource       = omap2_mcspi2_resources,
 177         .dev            = {
 178                 .platform_data = &omap2_mcspi2_config,
 179         },
 180 };
 181
 182 static void omap_init_mcspi(void)
 183 {
 184         platform_device_register(&omap2_mcspi1);
 185         platform_device_register(&omap2_mcspi2);
 186 }
 187
 188 #else
 189 static inline void omap_init_mcspi(void) {}
 190 #endif
 191
 192 #ifdef CONFIG_SND_OMAP24XX_EAC
 193
 194 #define OMAP2_EAC_BASE                  0x48090000
 195
 196 static struct resource omap2_eac_resources[] = {
 197         {
 198                 .start          = OMAP2_EAC_BASE,
 199                 .end            = OMAP2_EAC_BASE + 0x109,
 200                 .flags          = IORESOURCE_MEM,
 201         },
 202 };
 203
 204 static struct platform_device omap2_eac_device = {
 205         .name           = "omap24xx-eac",
 206         .id             = -1,
 207         .num_resources  = ARRAY_SIZE(omap2_eac_resources),
 208         .resource       = omap2_eac_resources,
 209         .dev = {
 210                 .platform_data = NULL,
 211         },
 212 };
 213
 214 void omap_init_eac(struct eac_platform_data *pdata)
 215 {
 216         omap2_eac_device.dev.platform_data = pdata;
 217         platform_device_register(&omap2_eac_device);
 218 }
 219
 220 #else
 221 void omap_init_eac(struct eac_platform_data *pdata) {}
 222 #endif
 223
 224 #ifdef CONFIG_OMAP_SHA1_MD5
 225 static struct resource sha1_md5_resources[] = {
 226         {
 227                 .start  = OMAP2420_SEC_SHA1MD5_BASE,
 228                 .end    = OMAP2420_SEC_SHA1MD5_BASE + 0x64,
 229                 .flags  = IORESOURCE_MEM,
 230         },
 231         {
 232                 .start  = INT_24XX_SHA1MD5,
 233                 .flags  = IORESOURCE_IRQ,
 234         }
 235 };
 236
 237 static struct platform_device sha1_md5_device = {
 238         .name           = "OMAP SHA1/MD5",
 239         .id             = -1,
 240         .num_resources  = ARRAY_SIZE(sha1_md5_resources),
 241         .resource       = sha1_md5_resources,
 242 };
 243
 244 static void omap_init_sha1_md5(void)
 245 {
 246         platform_device_register(&sha1_md5_device);
 247 }
 248 #else
 249 static inline void omap_init_sha1_md5(void) { }
 250 #endif
 251
 252 /*-------------------------------------------------------------------------*/
 253
 254 static int __init omap2_init_devices(void)
 255 {
 256         /* please keep these calls, and their implementations above,
 257          * in alphabetical order so they're easier to sort through.
 258          */
 259         omap_init_camera();
 260         omap_init_mbox();
 261         omap_init_mcspi();
 262         omap_init_sti();
 263         omap_init_sha1_md5();
 264
 265         return 0;
 266 }
 267 arch_initcall(omap2_init_devices);