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
  22 #include "common.h"
  23
  24 static const struct of_device_id omap_dt_match_table[] __initconst = {
  25         { .compatible = "simple-bus", },
  26         { .compatible = "ti,omap-infra", },
  27         { }
  28 };
  29
  30 static void __init omap_generic_init(void)
  31 {
  32         omapdss_early_init_of();
  33
  34         pdata_quirks_init(omap_dt_match_table);
  35
  36         omapdss_init_of();
  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 /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
  81  * save them while the data is still not overwritten
  82  */
  83 static void __init rx51_reserve(void)
  84 {
  85         save_atags((const struct tag *)(PAGE_OFFSET + 0x100));
  86         omap_reserve();
  87 }
  88
  89 DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
  90         .reserve        = rx51_reserve,
  91         .map_io         = omap3_map_io,
  92         .init_early     = omap3430_init_early,
  93         .init_machine   = omap_generic_init,
  94         .init_late      = omap3_init_late,
  95         .init_time      = omap_init_time,
  96         .dt_compat      = n900_boards_compat,
  97         .restart        = omap3xxx_restart,
  98 MACHINE_END
  99
 100 /* Generic omap3 boards, most boards can use these */
 101 static const char *const omap3_boards_compat[] __initconst = {
 102         "ti,omap3430",
 103         "ti,omap3",
 104         NULL,
 105 };
 106
 107 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 108         .reserve        = omap_reserve,
 109         .map_io         = omap3_map_io,
 110         .init_early     = omap3430_init_early,
 111         .init_machine   = omap_generic_init,
 112         .init_late      = omap3_init_late,
 113         .init_time      = omap_init_time,
 114         .dt_compat      = omap3_boards_compat,
 115         .restart        = omap3xxx_restart,
 116 MACHINE_END
 117
 118 static const char *const omap36xx_boards_compat[] __initconst = {
 119         "ti,omap3630",
 120         "ti,omap36xx",
 121         NULL,
 122 };
 123
 124 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
 125         .reserve        = omap_reserve,
 126         .map_io         = omap3_map_io,
 127         .init_early     = omap3630_init_early,
 128         .init_machine   = omap_generic_init,
 129         .init_late      = omap3_init_late,
 130         .init_time      = omap_init_time,
 131         .dt_compat      = omap36xx_boards_compat,
 132         .restart        = omap3xxx_restart,
 133 MACHINE_END
 134
 135 static const char *const omap3_gp_boards_compat[] __initconst = {
 136         "ti,omap3-beagle",
 137         "timll,omap3-devkit8000",
 138         NULL,
 139 };
 140
 141 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
 142         .reserve        = omap_reserve,
 143         .map_io         = omap3_map_io,
 144         .init_early     = omap3430_init_early,
 145         .init_machine   = omap_generic_init,
 146         .init_late      = omap3_init_late,
 147         .init_time      = omap3_secure_sync32k_timer_init,
 148         .dt_compat      = omap3_gp_boards_compat,
 149         .restart        = omap3xxx_restart,
 150 MACHINE_END
 151
 152 static const char *const am3517_boards_compat[] __initconst = {
 153         "ti,am3517",
 154         NULL,
 155 };
 156
 157 DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
 158         .reserve        = omap_reserve,
 159         .map_io         = omap3_map_io,
 160         .init_early     = am35xx_init_early,
 161         .init_machine   = omap_generic_init,
 162         .init_late      = omap3_init_late,
 163         .init_time      = omap3_gptimer_timer_init,
 164         .dt_compat      = am3517_boards_compat,
 165         .restart        = omap3xxx_restart,
 166 MACHINE_END
 167 #endif
 168
 169 #ifdef CONFIG_SOC_TI81XX
 170 static const char *const ti814x_boards_compat[] __initconst = {
 171         "ti,dm8148",
 172         "ti,dm814",
 173         NULL,
 174 };
 175
 176 DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
 177         .reserve        = omap_reserve,
 178         .map_io         = ti81xx_map_io,
 179         .init_early     = ti814x_init_early,
 180         .init_machine   = omap_generic_init,
 181         .init_late      = ti81xx_init_late,
 182         .init_time      = omap3_gptimer_timer_init,
 183         .dt_compat      = ti814x_boards_compat,
 184         .restart        = ti81xx_restart,
 185 MACHINE_END
 186
 187 static const char *const ti816x_boards_compat[] __initconst = {
 188         "ti,dm8168",
 189         "ti,dm816",
 190         NULL,
 191 };
 192
 193 DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
 194         .reserve        = omap_reserve,
 195         .map_io         = ti81xx_map_io,
 196         .init_early     = ti816x_init_early,
 197         .init_machine   = omap_generic_init,
 198         .init_late      = ti81xx_init_late,
 199         .init_time      = omap3_gptimer_timer_init,
 200         .dt_compat      = ti816x_boards_compat,
 201         .restart        = ti81xx_restart,
 202 MACHINE_END
 203 #endif
 204
 205 #ifdef CONFIG_SOC_AM33XX
 206 static const char *const am33xx_boards_compat[] __initconst = {
 207         "ti,am33xx",
 208         NULL,
 209 };
 210
 211 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
 212         .reserve        = omap_reserve,
 213         .map_io         = am33xx_map_io,
 214         .init_early     = am33xx_init_early,
 215         .init_machine   = omap_generic_init,
 216         .init_late      = am33xx_init_late,
 217         .init_time      = omap3_gptimer_timer_init,
 218         .dt_compat      = am33xx_boards_compat,
 219         .restart        = am33xx_restart,
 220 MACHINE_END
 221 #endif
 222
 223 #ifdef CONFIG_ARCH_OMAP4
 224 static const char *const omap4_boards_compat[] __initconst = {
 225         "ti,omap4460",
 226         "ti,omap4430",
 227         "ti,omap4",
 228         NULL,
 229 };
 230
 231 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 232         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
 233         .l2c_aux_mask   = 0xcf9fffff,
 234         .l2c_write_sec  = omap4_l2c310_write_sec,
 235         .reserve        = omap_reserve,
 236         .smp            = smp_ops(omap4_smp_ops),
 237         .map_io         = omap4_map_io,
 238         .init_early     = omap4430_init_early,
 239         .init_irq       = omap_gic_of_init,
 240         .init_machine   = omap_generic_init,
 241         .init_late      = omap4430_init_late,
 242         .init_time      = omap4_local_timer_init,
 243         .dt_compat      = omap4_boards_compat,
 244         .restart        = omap44xx_restart,
 245 MACHINE_END
 246 #endif
 247
 248 #ifdef CONFIG_SOC_OMAP5
 249 static const char *const omap5_boards_compat[] __initconst = {
 250         "ti,omap5432",
 251         "ti,omap5430",
 252         "ti,omap5",
 253         NULL,
 254 };
 255
 256 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
 257 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 258         .dma_zone_size  = SZ_2G,
 259 #endif
 260         .reserve        = omap_reserve,
 261         .smp            = smp_ops(omap4_smp_ops),
 262         .map_io         = omap5_map_io,
 263         .init_early     = omap5_init_early,
 264         .init_irq       = omap_gic_of_init,
 265         .init_machine   = omap_generic_init,
 266         .init_late      = omap5_init_late,
 267         .init_time      = omap5_realtime_timer_init,
 268         .dt_compat      = omap5_boards_compat,
 269         .restart        = omap44xx_restart,
 270 MACHINE_END
 271 #endif
 272
 273 #ifdef CONFIG_SOC_AM43XX
 274 static const char *const am43_boards_compat[] __initconst = {
 275         "ti,am4372",
 276         "ti,am43",
 277         NULL,
 278 };
 279
 280 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
 281         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
 282         .l2c_aux_mask   = 0xcf9fffff,
 283         .l2c_write_sec  = omap4_l2c310_write_sec,
 284         .map_io         = am33xx_map_io,
 285         .init_early     = am43xx_init_early,
 286         .init_late      = am43xx_init_late,
 287         .init_irq       = omap_gic_of_init,
 288         .init_machine   = omap_generic_init,
 289         .init_time      = omap4_local_timer_init,
 290         .dt_compat      = am43_boards_compat,
 291         .restart        = omap44xx_restart,
 292 MACHINE_END
 293 #endif
 294
 295 #ifdef CONFIG_SOC_DRA7XX
 296 static const char *const dra74x_boards_compat[] __initconst = {
 297         "ti,am5728",
 298         "ti,am5726",
 299         "ti,dra742",
 300         "ti,dra7",
 301         NULL,
 302 };
 303
 304 DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
 305 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 306         .dma_zone_size  = SZ_2G,
 307 #endif
 308         .reserve        = omap_reserve,
 309         .smp            = smp_ops(omap4_smp_ops),
 310         .map_io         = dra7xx_map_io,
 311         .init_early     = dra7xx_init_early,
 312         .init_late      = dra7xx_init_late,
 313         .init_irq       = omap_gic_of_init,
 314         .init_machine   = omap_generic_init,
 315         .init_time      = omap5_realtime_timer_init,
 316         .dt_compat      = dra74x_boards_compat,
 317         .restart        = omap44xx_restart,
 318 MACHINE_END
 319
 320 static const char *const dra72x_boards_compat[] __initconst = {
 321         "ti,am5718",
 322         "ti,am5716",
 323         "ti,dra722",
 324         NULL,
 325 };
 326
 327 DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
 328 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
 329         .dma_zone_size  = SZ_2G,
 330 #endif
 331         .reserve        = omap_reserve,
 332         .map_io         = dra7xx_map_io,
 333         .init_early     = dra7xx_init_early,
 334         .init_late      = dra7xx_init_late,
 335         .init_irq       = omap_gic_of_init,
 336         .init_machine   = omap_generic_init,
 337         .init_time      = omap5_realtime_timer_init,
 338         .dt_compat      = dra72x_boards_compat,
 339         .restart        = omap44xx_restart,
 340 MACHINE_END
 341 #endif