arch/arm/mach-omap2/board-generic.c

   1 /*
   2  * Copyright (C) 2005 Nokia Corporation
   3  * Author: Paul Mundt <paul.mundt@nokia.com>
   4  *
   5  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
   6  *
   7  * Modified from the original mach-omap/omap2/board-generic.c did by Paul
   8  * to support the OMAP2+ device tree boards with an unique board file.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14 #include <linux/io.h>
  15 #include <linux/of_irq.h>
  16 #include <linux/of_platform.h>
  17 #include <linux/irqdomain.h>
  18
  19 #include <asm/setup.h>
  20 #include <asm/mach/arch.h>
  21 #include <asm/system_info.h>
  22
  23 #include "common.h"
  24
  25 static const struct of_device_id omap_dt_match_table[] __initconst = {
  26         { .compatible = "simple-bus", },
  27         { .compatible = "ti,omap-infra", },
  28         { }
  29 };
  30
  31 static void __init __maybe_unused omap_generic_init(void)
  32 {
  33         pdata_quirks_init(omap_dt_match_table);
  34
  35         omapdss_init_of();
  36         omap_soc_device_init();
  37 }
  38
  39 #ifdef CONFIG_SOC_OMAP2420
  40 static const char *const omap242x_boards_compat[] __initconst = {
  41         "ti,omap2420",
  42         NULL,
  43 };
  44
  45 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
  46         .reserve        = omap_reserve,
  47         .map_io         = omap242x_map_io,
  48         .init_early     = omap2420_init_early,
  49         .init_machine   = omap_generic_init,
  50         .init_time      = omap_init_time,
  51         .dt_compat      = omap242x_boards_compat,
  52         .restart        = omap2xxx_restart,
  53 MACHINE_END
  54 #endif
  55
  56 #ifdef CONFIG_SOC_OMAP2430
  57 static const char *const omap243x_boards_compat[] __initconst = {
  58         "ti,omap2430",
  59         NULL,
  60 };
  61
  62 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
  63         .reserve        = omap_reserve,
  64         .map_io         = omap243x_map_io,
  65         .init_early     = omap2430_init_early,
  66         .init_machine   = omap_generic_init,
  67         .init_time      = omap_init_time,
  68         .dt_compat      = omap243x_boards_compat,
  69         .restart        = omap2xxx_restart,
  70 MACHINE_END
  71 #endif
  72
  73 #ifdef CONFIG_ARCH_OMAP3
  74 /* Some boards need board name for legacy userspace in /proc/cpuinfo */
  75 static const char *const n900_boards_compat[] __initconst = {
  76         "nokia,omap3-n900",
  77         NULL,
  78 };
  79
  80 /* Set system_rev from atags */
  81 static void __init rx51_set_system_rev(const struct tag *tags)
  82 {
  83         const struct tag *tag;
  84
  85         if (tags->hdr.tag != ATAG_CORE)
  86                 return;
  87
  88         for_each_tag(tag, tags) {
  89                 if (tag->hdr.tag == ATAG_REVISION) {
  90                         system_rev = tag->u.revision.rev;
  91                         break;
  92                 }
  93         }
  94 }
  95
  96 /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
  97  * save them while the data is still not overwritten
  98  */
  99 static void __init rx51_reserve(void)
 100 {
 101         const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
 102
 103         save_atags(tags);
 104         rx51_set_system_rev(tags);
 105         omap_reserve();
 106 }
 107
 108 DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
 109         .reserve        = rx51_reserve,
 110         .map_io         = omap3_map_io,
 111         .init_early     = omap3430_init_early,
 112         .init_machine   = omap_generic_init,
 113         .init_late      = omap3_init_late,
 114         .init_time      = omap_init_time,
 115         .dt_compat      = n900_boards_compat,
 116         .restart        = omap3xxx_restart,
 117 MACHINE_END
 118
 119 /* Generic omap3 boards, most boards can use these */
 120 static const char *const omap3_boards_compat[] __initconst = {
 121         "ti,omap3430",
 122         "ti,omap3",
 123         NULL,
 124 };
 125
 126 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 127         .reserve        = omap_reserve,
 128         .map_io         = omap3_map_io,
 129         .init_early     = omap3430_init_early,
 130         .init_machine   = omap_generic_init,
 131         .init_late      = omap3_init_late,
 132         .init_time      = omap_init_time,
 133         .dt_compat      = omap3_boards_compat,
 134         .restart        = omap3xxx_restart,
 135 MACHINE_END
 136
 137 static const char *const omap36xx_boards_compat[] __initconst = {
 138         "ti,omap3630",
 139         "ti,omap36xx",
 140         NULL,
 141 };
 142
 143 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
 144         .reserve        = omap_reserve,
 145         .map_io         = omap3_map_io,
 146         .init_early     = omap3630_init_early,
 147         .init_machine   = omap_generic_init,
 148         .init_late      = omap3_init_late,
 149         .init_time      = omap_init_time,
 150         .dt_compat      = omap36xx_boards_compat,
 151         .restart        = omap3xxx_restart,
 152 MACHINE_END
 153
 154 static const char *const omap3_gp_boards_compat[] __initconst = {
 155         "ti,omap3-beagle",
 156         "timll,omap3-devkit8000",
 157         NULL,
 158 };
 159
 160 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
 161         .reserve        = omap_reserve,
 162         .map_io         = omap3_map_io,
 163         .init_early     = omap3430_init_early,
 164         .init_machine   = omap_generic_init,
 165         .init_late      = omap3_init_late,
 166         .init_time      = omap3_secure_sync32k_timer_init,
 167         .dt_compat      = omap3_gp_boards_compat,
 168         .restart        = omap3xxx_restart,
 169 MACHINE_END
 170
 171 static const char *const am3517_boards_compat[] __initconst = {
 172         "ti,am3517",
 173         NULL,
 174 };
 175
 176 DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
 177         .reserve        = omap_reserve,
 178         .map_io         = omap3_map_io,
 179         .init_early     = am35xx_init_early,
 180         .init_machine   = omap_generic_init,
 181         .init_late      = omap3_init_late,
 182         .init_time      = omap3_gptimer_timer_init,
 183         .dt_compat      = am3517_boards_compat,
 184         .restart        = omap3xxx_restart,
 185 MACHINE_END
 186 #endif
 187
 188 #ifdef CONFIG_SOC_TI81XX
 189 static const char *const ti814x_boards_compat[] __initconst = {
 190         "ti,dm8148",
 191         "ti,dm814",
 192         NULL,
 193 };
 194
 195 DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
 196         .reserve        = omap_reserve,
 197         .map_io         = ti81xx_map_io,
 198         .init_early     = ti814x_init_early,
 199         .init_machine   = omap_generic_init,
 200         .init_late      = ti81xx_init_late,
 201         .init_time      = omap3_gptimer_timer_init,
 202         .dt_compat      = ti814x_boards_compat,
 203         .restart        = ti81xx_restart,
 204 MACHINE_END
 205
 206 static const char *const ti816x_boards_compat[] __initconst = {
 207         "ti,dm8168",
 208         "ti,dm816",
 209         NULL,
 210 };
 211
 212 DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
 213         .reserve        = omap_reserve,
 214         .map_io         = ti81xx_map_io,
 215         .init_early     = ti816x_init_early,
 216         .init_machine   = omap_generic_init,
 217         .init_late      = ti81xx_init_late,
 218         .init_time      = omap3_gptimer_timer_init,
 219         .dt_compat      = ti816x_boards_compat,
 220         .restart        = ti81xx_restart,
 221 MACHINE_END
 222 #endif
 223
 224 #ifdef CONFIG_SOC_AM33XX
 225 static const char *const am33xx_boards_compat[] __initconst = {
 226         "ti,am33xx",
 227         NULL,
 228 };
 229
 230 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
 231         .reserve        = omap_reserve,
 232         .map_io         = am33xx_map_io,
 233         .init_early     = am33xx_init_early,
 234         .init_machine   = omap_generic_init,
 235         .init_late      = am33xx_init_late,
 236         .init_time      = omap3_gptimer_timer_init,
 237         .dt_compat      = am33xx_boards_compat,
 238         .restart        = am33xx_restart,
 239 MACHINE_END
 240 #endif
 241
 242 #ifdef CONFIG_ARCH_OMAP4
 243 static const char *const omap4_boards_compat[] __initconst = {
 244         "ti,omap4460",
 245         "ti,omap4430",
 246         "ti,omap4",
 247         NULL,
 248 };
 249
 250 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 251         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
 252         .l2c_aux_mask   = 0xcf9fffff,
 253         .l2c_write_sec  = omap4_l2c310_write_sec,
 254         .reserve        = omap_reserve,
 255         .smp            = smp_ops(omap4_smp_ops),
 256         .map_io         = omap4_map_io,
 257         .init_early     = omap4430_init_early,
 258         .init_irq       = omap_gic_of_init,
 259         .init_machine   = omap_generic_init,
 260         .init_late      = omap4430_init_late,
 261         .init_time      = omap4_local_timer_init,
 262         .dt_compat      = omap4_boards_compat,
 263         .restart        = omap44xx_restart,
 264 MACHINE_END
 265 #endif
 266
 267 #ifdef CONFIG_SOC_OMAP5
 268 static const char *const omap5_boards_compat[] __initconst = {
 269         "ti,omap5432",
 270         "ti,omap5430",
 271         "ti,omap5",
 272         NULL,
 273 };
 274
 275 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
 276 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 277         .dma_zone_size  = SZ_2G,
 278 #endif
 279         .reserve        = omap_reserve,
 280         .smp            = smp_ops(omap4_smp_ops),
 281         .map_io         = omap5_map_io,
 282         .init_early     = omap5_init_early,
 283         .init_irq       = omap_gic_of_init,
 284         .init_machine   = omap_generic_init,
 285         .init_late      = omap5_init_late,
 286         .init_time      = omap5_realtime_timer_init,
 287         .dt_compat      = omap5_boards_compat,
 288         .restart        = omap44xx_restart,
 289 MACHINE_END
 290 #endif
 291
 292 #ifdef CONFIG_SOC_AM43XX
 293 static const char *const am43_boards_compat[] __initconst = {
 294         "ti,am4372",
 295         "ti,am43",
 296         NULL,
 297 };
 298
 299 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
 300         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
 301         .l2c_aux_mask   = 0xcf9fffff,
 302         .l2c_write_sec  = omap4_l2c310_write_sec,
 303         .map_io         = am33xx_map_io,
 304         .init_early     = am43xx_init_early,
 305         .init_late      = am43xx_init_late,
 306         .init_irq       = omap_gic_of_init,
 307         .init_machine   = omap_generic_init,
 308         .init_time      = omap3_gptimer_timer_init,
 309         .dt_compat      = am43_boards_compat,
 310         .restart        = omap44xx_restart,
 311 MACHINE_END
 312 #endif
 313
 314 #ifdef CONFIG_SOC_DRA7XX
 315 static const char *const dra74x_boards_compat[] __initconst = {
 316         "ti,dra762",
 317         "ti,am5728",
 318         "ti,am5726",
 319         "ti,dra742",
 320         "ti,dra7",
 321         NULL,
 322 };
 323
 324 DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
 325 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 326         .dma_zone_size  = SZ_2G,
 327 #endif
 328         .reserve        = omap_reserve,
 329         .smp            = smp_ops(omap4_smp_ops),
 330         .map_io         = dra7xx_map_io,
 331         .init_early     = dra7xx_init_early,
 332         .init_late      = dra7xx_init_late,
 333         .init_irq       = omap_gic_of_init,
 334         .init_machine   = omap_generic_init,
 335         .init_time      = omap5_realtime_timer_init,
 336         .dt_compat      = dra74x_boards_compat,
 337         .restart        = omap44xx_restart,
 338 MACHINE_END
 339
 340 static const char *const dra72x_boards_compat[] __initconst = {
 341         "ti,am5718",
 342         "ti,am5716",
 343         "ti,dra722",
 344         "ti,dra718",
 345         NULL,
 346 };
 347
 348 DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
 349 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 350         .dma_zone_size  = SZ_2G,
 351 #endif
 352         .reserve        = omap_reserve,
 353         .map_io         = dra7xx_map_io,
 354         .init_early     = dra7xx_init_early,
 355         .init_late      = dra7xx_init_late,
 356         .init_irq       = omap_gic_of_init,
 357         .init_machine   = omap_generic_init,
 358         .init_time      = omap5_realtime_timer_init,
 359         .dt_compat      = dra72x_boards_compat,
 360         .restart        = omap44xx_restart,
 361 MACHINE_END
 362 #endif