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 omap_generic_init(void) 32 { 33 pdata_quirks_init(omap_dt_match_table); 34 35 omapdss_init_of(); 36 } 37 38 #ifdef CONFIG_SOC_OMAP2420 39 static const char *const omap242x_boards_compat[] __initconst = { 40 "ti,omap2420", 41 NULL, 42 }; 43 44 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") 45 .reserve = omap_reserve, 46 .map_io = omap242x_map_io, 47 .init_early = omap2420_init_early, 48 .init_machine = omap_generic_init, 49 .init_time = omap_init_time, 50 .dt_compat = omap242x_boards_compat, 51 .restart = omap2xxx_restart, 52 MACHINE_END 53 #endif 54 55 #ifdef CONFIG_SOC_OMAP2430 56 static const char *const omap243x_boards_compat[] __initconst = { 57 "ti,omap2430", 58 NULL, 59 }; 60 61 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") 62 .reserve = omap_reserve, 63 .map_io = omap243x_map_io, 64 .init_early = omap2430_init_early, 65 .init_machine = omap_generic_init, 66 .init_time = omap_init_time, 67 .dt_compat = omap243x_boards_compat, 68 .restart = omap2xxx_restart, 69 MACHINE_END 70 #endif 71 72 #ifdef CONFIG_ARCH_OMAP3 73 /* Some boards need board name for legacy userspace in /proc/cpuinfo */ 74 static const char *const n900_boards_compat[] __initconst = { 75 "nokia,omap3-n900", 76 NULL, 77 }; 78 79 /* Set system_rev from atags */ 80 static void __init rx51_set_system_rev(const struct tag *tags) 81 { 82 const struct tag *tag; 83 84 if (tags->hdr.tag != ATAG_CORE) 85 return; 86 87 for_each_tag(tag, tags) { 88 if (tag->hdr.tag == ATAG_REVISION) { 89 system_rev = tag->u.revision.rev; 90 break; 91 } 92 } 93 } 94 95 /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags, 96 * save them while the data is still not overwritten 97 */ 98 static void __init rx51_reserve(void) 99 { 100 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100); 101 102 save_atags(tags); 103 rx51_set_system_rev(tags); 104 omap_reserve(); 105 } 106 107 DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board") 108 .reserve = rx51_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 = n900_boards_compat, 115 .restart = omap3xxx_restart, 116 MACHINE_END 117 118 /* Generic omap3 boards, most boards can use these */ 119 static const char *const omap3_boards_compat[] __initconst = { 120 "ti,omap3430", 121 "ti,omap3", 122 NULL, 123 }; 124 125 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") 126 .reserve = omap_reserve, 127 .map_io = omap3_map_io, 128 .init_early = omap3430_init_early, 129 .init_machine = omap_generic_init, 130 .init_late = omap3_init_late, 131 .init_time = omap_init_time, 132 .dt_compat = omap3_boards_compat, 133 .restart = omap3xxx_restart, 134 MACHINE_END 135 136 static const char *const omap36xx_boards_compat[] __initconst = { 137 "ti,omap3630", 138 "ti,omap36xx", 139 NULL, 140 }; 141 142 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") 143 .reserve = omap_reserve, 144 .map_io = omap3_map_io, 145 .init_early = omap3630_init_early, 146 .init_machine = omap_generic_init, 147 .init_late = omap3_init_late, 148 .init_time = omap_init_time, 149 .dt_compat = omap36xx_boards_compat, 150 .restart = omap3xxx_restart, 151 MACHINE_END 152 153 static const char *const omap3_gp_boards_compat[] __initconst = { 154 "ti,omap3-beagle", 155 "timll,omap3-devkit8000", 156 NULL, 157 }; 158 159 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") 160 .reserve = omap_reserve, 161 .map_io = omap3_map_io, 162 .init_early = omap3430_init_early, 163 .init_machine = omap_generic_init, 164 .init_late = omap3_init_late, 165 .init_time = omap3_secure_sync32k_timer_init, 166 .dt_compat = omap3_gp_boards_compat, 167 .restart = omap3xxx_restart, 168 MACHINE_END 169 170 static const char *const am3517_boards_compat[] __initconst = { 171 "ti,am3517", 172 NULL, 173 }; 174 175 DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)") 176 .reserve = omap_reserve, 177 .map_io = omap3_map_io, 178 .init_early = am35xx_init_early, 179 .init_machine = omap_generic_init, 180 .init_late = omap3_init_late, 181 .init_time = omap3_gptimer_timer_init, 182 .dt_compat = am3517_boards_compat, 183 .restart = omap3xxx_restart, 184 MACHINE_END 185 #endif 186 187 #ifdef CONFIG_SOC_TI81XX 188 static const char *const ti814x_boards_compat[] __initconst = { 189 "ti,dm8148", 190 "ti,dm814", 191 NULL, 192 }; 193 194 DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)") 195 .reserve = omap_reserve, 196 .map_io = ti81xx_map_io, 197 .init_early = ti814x_init_early, 198 .init_machine = omap_generic_init, 199 .init_late = ti81xx_init_late, 200 .init_time = omap3_gptimer_timer_init, 201 .dt_compat = ti814x_boards_compat, 202 .restart = ti81xx_restart, 203 MACHINE_END 204 205 static const char *const ti816x_boards_compat[] __initconst = { 206 "ti,dm8168", 207 "ti,dm816", 208 NULL, 209 }; 210 211 DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)") 212 .reserve = omap_reserve, 213 .map_io = ti81xx_map_io, 214 .init_early = ti816x_init_early, 215 .init_machine = omap_generic_init, 216 .init_late = ti81xx_init_late, 217 .init_time = omap3_gptimer_timer_init, 218 .dt_compat = ti816x_boards_compat, 219 .restart = ti81xx_restart, 220 MACHINE_END 221 #endif 222 223 #ifdef CONFIG_SOC_AM33XX 224 static const char *const am33xx_boards_compat[] __initconst = { 225 "ti,am33xx", 226 NULL, 227 }; 228 229 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") 230 .reserve = omap_reserve, 231 .map_io = am33xx_map_io, 232 .init_early = am33xx_init_early, 233 .init_machine = omap_generic_init, 234 .init_late = am33xx_init_late, 235 .init_time = omap3_gptimer_timer_init, 236 .dt_compat = am33xx_boards_compat, 237 .restart = am33xx_restart, 238 MACHINE_END 239 #endif 240 241 #ifdef CONFIG_ARCH_OMAP4 242 static const char *const omap4_boards_compat[] __initconst = { 243 "ti,omap4460", 244 "ti,omap4430", 245 "ti,omap4", 246 NULL, 247 }; 248 249 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") 250 .l2c_aux_val = OMAP_L2C_AUX_CTRL, 251 .l2c_aux_mask = 0xcf9fffff, 252 .l2c_write_sec = omap4_l2c310_write_sec, 253 .reserve = omap_reserve, 254 .smp = smp_ops(omap4_smp_ops), 255 .map_io = omap4_map_io, 256 .init_early = omap4430_init_early, 257 .init_irq = omap_gic_of_init, 258 .init_machine = omap_generic_init, 259 .init_late = omap4430_init_late, 260 .init_time = omap4_local_timer_init, 261 .dt_compat = omap4_boards_compat, 262 .restart = omap44xx_restart, 263 MACHINE_END 264 #endif 265 266 #ifdef CONFIG_SOC_OMAP5 267 static const char *const omap5_boards_compat[] __initconst = { 268 "ti,omap5432", 269 "ti,omap5430", 270 "ti,omap5", 271 NULL, 272 }; 273 274 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") 275 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 276 .dma_zone_size = SZ_2G, 277 #endif 278 .reserve = omap_reserve, 279 .smp = smp_ops(omap4_smp_ops), 280 .map_io = omap5_map_io, 281 .init_early = omap5_init_early, 282 .init_irq = omap_gic_of_init, 283 .init_machine = omap_generic_init, 284 .init_late = omap5_init_late, 285 .init_time = omap5_realtime_timer_init, 286 .dt_compat = omap5_boards_compat, 287 .restart = omap44xx_restart, 288 MACHINE_END 289 #endif 290 291 #ifdef CONFIG_SOC_AM43XX 292 static const char *const am43_boards_compat[] __initconst = { 293 "ti,am4372", 294 "ti,am43", 295 NULL, 296 }; 297 298 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") 299 .l2c_aux_val = OMAP_L2C_AUX_CTRL, 300 .l2c_aux_mask = 0xcf9fffff, 301 .l2c_write_sec = omap4_l2c310_write_sec, 302 .map_io = am33xx_map_io, 303 .init_early = am43xx_init_early, 304 .init_late = am43xx_init_late, 305 .init_irq = omap_gic_of_init, 306 .init_machine = omap_generic_init, 307 .init_time = omap3_gptimer_timer_init, 308 .dt_compat = am43_boards_compat, 309 .restart = omap44xx_restart, 310 MACHINE_END 311 #endif 312 313 #ifdef CONFIG_SOC_DRA7XX 314 static const char *const dra74x_boards_compat[] __initconst = { 315 "ti,am5728", 316 "ti,am5726", 317 "ti,dra742", 318 "ti,dra7", 319 NULL, 320 }; 321 322 DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)") 323 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 324 .dma_zone_size = SZ_2G, 325 #endif 326 .reserve = omap_reserve, 327 .smp = smp_ops(omap4_smp_ops), 328 .map_io = dra7xx_map_io, 329 .init_early = dra7xx_init_early, 330 .init_late = dra7xx_init_late, 331 .init_irq = omap_gic_of_init, 332 .init_machine = omap_generic_init, 333 .init_time = omap5_realtime_timer_init, 334 .dt_compat = dra74x_boards_compat, 335 .restart = omap44xx_restart, 336 MACHINE_END 337 338 static const char *const dra72x_boards_compat[] __initconst = { 339 "ti,am5718", 340 "ti,am5716", 341 "ti,dra722", 342 "ti,dra718", 343 NULL, 344 }; 345 346 DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)") 347 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 348 .dma_zone_size = SZ_2G, 349 #endif 350 .reserve = omap_reserve, 351 .map_io = dra7xx_map_io, 352 .init_early = dra7xx_init_early, 353 .init_late = dra7xx_init_late, 354 .init_irq = omap_gic_of_init, 355 .init_machine = omap_generic_init, 356 .init_time = omap5_realtime_timer_init, 357 .dt_compat = dra72x_boards_compat, 358 .restart = omap44xx_restart, 359 MACHINE_END 360 #endif 361