1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2005 Nokia Corporation 4 * Author: Paul Mundt <paul.mundt@nokia.com> 5 * 6 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ 7 * 8 * Modified from the original mach-omap/omap2/board-generic.c did by Paul 9 * to support the OMAP2+ device tree boards with an unique board file. 10 */ 11#include <linux/io.h> 12#include <linux/of_irq.h> 13#include <linux/of_platform.h> 14#include <linux/irqdomain.h> 15#include <linux/clocksource.h> 16#include <linux/clockchips.h> 17 18#include <asm/setup.h> 19#include <asm/mach/arch.h> 20#include <asm/system_info.h> 21 22#include "common.h" 23 24static const struct of_device_id omap_dt_match_table[] __initconst = { 25 { .compatible = "simple-bus", }, 26 { .compatible = "ti,omap-infra", }, 27 { } 28}; 29 30static void __init __maybe_unused omap_generic_init(void) 31{ 32 pdata_quirks_init(omap_dt_match_table); 33 omap_soc_device_init(); 34} 35 36/* Clocks are needed early, see drivers/clocksource for the rest */ 37static void __init __maybe_unused omap_init_time_of(void) 38{ 39 omap_clk_init(); 40 timer_probe(); 41} 42 43/* Used by am437x for ARM timer in non-SMP configurations */ 44#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) 45void tick_broadcast(const struct cpumask *mask) 46{ 47} 48#endif 49 50#ifdef CONFIG_SOC_OMAP2420 51static const char *const omap242x_boards_compat[] __initconst = { 52 "ti,omap2420", 53 NULL, 54}; 55 56DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") 57 .reserve = omap_reserve, 58 .map_io = omap242x_map_io, 59 .init_early = omap2420_init_early, 60 .init_machine = omap_generic_init, 61 .init_time = omap_init_time_of, 62 .dt_compat = omap242x_boards_compat, 63 .restart = omap2xxx_restart, 64MACHINE_END 65#endif 66 67#ifdef CONFIG_SOC_OMAP2430 68static const char *const omap243x_boards_compat[] __initconst = { 69 "ti,omap2430", 70 NULL, 71}; 72 73DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") 74 .reserve = omap_reserve, 75 .map_io = omap243x_map_io, 76 .init_early = omap2430_init_early, 77 .init_machine = omap_generic_init, 78 .init_time = omap_init_time_of, 79 .dt_compat = omap243x_boards_compat, 80 .restart = omap2xxx_restart, 81MACHINE_END 82#endif 83 84#ifdef CONFIG_ARCH_OMAP3 85/* Some boards need board name for legacy userspace in /proc/cpuinfo */ 86static const char *const n900_boards_compat[] __initconst = { 87 "nokia,omap3-n900", 88 NULL, 89}; 90 91/* Set system_rev from atags */ 92static void __init rx51_set_system_rev(const struct tag *tags) 93{ 94 const struct tag *tag; 95 96 if (tags->hdr.tag != ATAG_CORE) 97 return; 98 99 for_each_tag(tag, tags) { 100 if (tag->hdr.tag == ATAG_REVISION) { 101 system_rev = tag->u.revision.rev; 102 break; 103 } 104 } 105} 106 107/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags, 108 * save them while the data is still not overwritten 109 */ 110static void __init rx51_reserve(void) 111{ 112 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100); 113 114 save_atags(tags); 115 rx51_set_system_rev(tags); 116 omap_reserve(); 117} 118 119DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board") 120 .reserve = rx51_reserve, 121 .map_io = omap3_map_io, 122 .init_early = omap3430_init_early, 123 .init_machine = omap_generic_init, 124 .init_late = omap3_init_late, 125 .init_time = omap_init_time_of, 126 .dt_compat = n900_boards_compat, 127 .restart = omap3xxx_restart, 128MACHINE_END 129 130/* Generic omap3 boards, most boards can use these */ 131static const char *const omap3_boards_compat[] __initconst = { 132 "ti,omap3430", 133 "ti,omap3", 134 NULL, 135}; 136 137DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") 138 .reserve = omap_reserve, 139 .map_io = omap3_map_io, 140 .init_early = omap3430_init_early, 141 .init_machine = omap_generic_init, 142 .init_late = omap3_init_late, 143 .init_time = omap_init_time_of, 144 .dt_compat = omap3_boards_compat, 145 .restart = omap3xxx_restart, 146MACHINE_END 147 148static const char *const omap36xx_boards_compat[] __initconst = { 149 "ti,omap3630", 150 "ti,omap36xx", 151 NULL, 152}; 153 154DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") 155 .reserve = omap_reserve, 156 .map_io = omap3_map_io, 157 .init_early = omap3630_init_early, 158 .init_machine = omap_generic_init, 159 .init_late = omap3_init_late, 160 .init_time = omap_init_time_of, 161 .dt_compat = omap36xx_boards_compat, 162 .restart = omap3xxx_restart, 163MACHINE_END 164 165static const char *const omap3_gp_boards_compat[] __initconst = { 166 "ti,omap3-beagle", 167 "timll,omap3-devkit8000", 168 NULL, 169}; 170 171DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") 172 .reserve = omap_reserve, 173 .map_io = omap3_map_io, 174 .init_early = omap3430_init_early, 175 .init_machine = omap_generic_init, 176 .init_late = omap3_init_late, 177 .init_time = omap_init_time_of, 178 .dt_compat = omap3_gp_boards_compat, 179 .restart = omap3xxx_restart, 180MACHINE_END 181 182static const char *const am3517_boards_compat[] __initconst = { 183 "ti,am3517", 184 NULL, 185}; 186 187DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)") 188 .reserve = omap_reserve, 189 .map_io = omap3_map_io, 190 .init_early = am35xx_init_early, 191 .init_machine = omap_generic_init, 192 .init_late = omap3_init_late, 193 .init_time = omap_init_time_of, 194 .dt_compat = am3517_boards_compat, 195 .restart = omap3xxx_restart, 196MACHINE_END 197#endif 198 199#ifdef CONFIG_SOC_TI81XX 200static const char *const ti814x_boards_compat[] __initconst = { 201 "ti,dm8148", 202 "ti,dm814", 203 NULL, 204}; 205 206DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)") 207 .reserve = omap_reserve, 208 .map_io = ti81xx_map_io, 209 .init_early = ti814x_init_early, 210 .init_machine = omap_generic_init, 211 .init_late = ti81xx_init_late, 212 .init_time = omap_init_time_of, 213 .dt_compat = ti814x_boards_compat, 214 .restart = ti81xx_restart, 215MACHINE_END 216 217static const char *const ti816x_boards_compat[] __initconst = { 218 "ti,dm8168", 219 "ti,dm816", 220 NULL, 221}; 222 223DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)") 224 .reserve = omap_reserve, 225 .map_io = ti81xx_map_io, 226 .init_early = ti816x_init_early, 227 .init_machine = omap_generic_init, 228 .init_late = ti81xx_init_late, 229 .init_time = omap_init_time_of, 230 .dt_compat = ti816x_boards_compat, 231 .restart = ti81xx_restart, 232MACHINE_END 233#endif 234 235#ifdef CONFIG_SOC_AM33XX 236static const char *const am33xx_boards_compat[] __initconst = { 237 "ti,am33xx", 238 NULL, 239}; 240 241DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") 242 .reserve = omap_reserve, 243 .map_io = am33xx_map_io, 244 .init_early = am33xx_init_early, 245 .init_machine = omap_generic_init, 246 .init_late = am33xx_init_late, 247 .init_time = omap_init_time_of, 248 .dt_compat = am33xx_boards_compat, 249 .restart = am33xx_restart, 250MACHINE_END 251#endif 252 253#ifdef CONFIG_ARCH_OMAP4 254static const char *const omap4_boards_compat[] __initconst = { 255 "ti,omap4460", 256 "ti,omap4430", 257 "ti,omap4", 258 NULL, 259}; 260 261DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") 262 .l2c_aux_val = OMAP_L2C_AUX_CTRL, 263 .l2c_aux_mask = 0xcf9fffff, 264 .l2c_write_sec = omap4_l2c310_write_sec, 265 .reserve = omap_reserve, 266 .smp = smp_ops(omap4_smp_ops), 267 .map_io = omap4_map_io, 268 .init_early = omap4430_init_early, 269 .init_irq = omap_gic_of_init, 270 .init_machine = omap_generic_init, 271 .init_late = omap4430_init_late, 272 .init_time = omap_init_time_of, 273 .dt_compat = omap4_boards_compat, 274 .restart = omap44xx_restart, 275MACHINE_END 276#endif 277 278#ifdef CONFIG_SOC_OMAP5 279static const char *const omap5_boards_compat[] __initconst = { 280 "ti,omap5432", 281 "ti,omap5430", 282 "ti,omap5", 283 NULL, 284}; 285 286DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") 287#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 288 .dma_zone_size = SZ_2G, 289#endif 290 .reserve = omap_reserve, 291 .smp = smp_ops(omap4_smp_ops), 292 .map_io = omap5_map_io, 293 .init_early = omap5_init_early, 294 .init_irq = omap_gic_of_init, 295 .init_machine = omap_generic_init, 296 .init_late = omap5_init_late, 297 .init_time = omap5_realtime_timer_init, 298 .dt_compat = omap5_boards_compat, 299 .restart = omap44xx_restart, 300MACHINE_END 301#endif 302 303#ifdef CONFIG_SOC_AM43XX 304static const char *const am43_boards_compat[] __initconst = { 305 "ti,am4372", 306 "ti,am43", 307 NULL, 308}; 309 310DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") 311 .l2c_aux_val = OMAP_L2C_AUX_CTRL, 312 .l2c_aux_mask = 0xcf9fffff, 313 .l2c_write_sec = omap4_l2c310_write_sec, 314 .map_io = am33xx_map_io, 315 .init_early = am43xx_init_early, 316 .init_late = am43xx_init_late, 317 .init_irq = omap_gic_of_init, 318 .init_machine = omap_generic_init, 319 .init_time = omap_init_time_of, 320 .dt_compat = am43_boards_compat, 321 .restart = omap44xx_restart, 322MACHINE_END 323#endif 324 325#ifdef CONFIG_SOC_DRA7XX 326static const char *const dra74x_boards_compat[] __initconst = { 327 "ti,dra762", 328 "ti,am5728", 329 "ti,am5726", 330 "ti,dra742", 331 "ti,dra7", 332 NULL, 333}; 334 335DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)") 336#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 337 .dma_zone_size = SZ_2G, 338#endif 339 .reserve = omap_reserve, 340 .smp = smp_ops(omap4_smp_ops), 341 .map_io = dra7xx_map_io, 342 .init_early = dra7xx_init_early, 343 .init_late = dra7xx_init_late, 344 .init_irq = omap_gic_of_init, 345 .init_machine = omap_generic_init, 346 .init_time = omap5_realtime_timer_init, 347 .dt_compat = dra74x_boards_compat, 348 .restart = omap44xx_restart, 349MACHINE_END 350 351static const char *const dra72x_boards_compat[] __initconst = { 352 "ti,am5718", 353 "ti,am5716", 354 "ti,dra722", 355 "ti,dra718", 356 NULL, 357}; 358 359DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)") 360#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) 361 .dma_zone_size = SZ_2G, 362#endif 363 .reserve = omap_reserve, 364 .map_io = dra7xx_map_io, 365 .init_early = dra7xx_init_early, 366 .init_late = dra7xx_init_late, 367 .init_irq = omap_gic_of_init, 368 .init_machine = omap_generic_init, 369 .init_time = omap5_realtime_timer_init, 370 .dt_compat = dra72x_boards_compat, 371 .restart = omap44xx_restart, 372MACHINE_END 373#endif 374