| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (C) 2005 Nokia Corporation |
| * Author: Paul Mundt <paul.mundt@nokia.com> |
| * |
| * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ |
| * |
| * Modified from the original mach-omap/omap2/board-generic.c did by Paul |
| * to support the OMAP2+ device tree boards with an unique board file. |
| */ |
| #include <linux/io.h> |
| #include <linux/irqdomain.h> |
| #include <linux/clocksource.h> |
| #include <linux/clockchips.h> |
| #include <linux/mod_devicetable.h> |
| |
| #include <asm/setup.h> |
| #include <asm/mach/arch.h> |
| #include <asm/system_info.h> |
| |
| #include "common.h" |
| |
| static const struct of_device_id omap_dt_match_table[] __initconst = { |
| { .compatible = "simple-bus", }, |
| { .compatible = "ti,omap-infra", }, |
| { } |
| }; |
| |
| static void __init __maybe_unused omap_generic_init(void) |
| { |
| pdata_quirks_init(omap_dt_match_table); |
| omap_soc_device_init(); |
| } |
| |
| /* Clocks are needed early, see drivers/clocksource for the rest */ |
| static void __init __maybe_unused omap_init_time_of(void) |
| { |
| omap_clk_init(); |
| timer_probe(); |
| } |
| |
| /* Used by am437x for ARM timer in non-SMP configurations */ |
| #if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) |
| void tick_broadcast(const struct cpumask *mask) |
| { |
| } |
| #endif |
| |
| #ifdef CONFIG_SOC_OMAP2420 |
| static const char *const omap242x_boards_compat[] __initconst = { |
| "ti,omap2420", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap242x_map_io, |
| .init_early = omap2420_init_early, |
| .init_machine = omap_generic_init, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap242x_boards_compat, |
| .restart = omap2xxx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_OMAP2430 |
| static const char *const omap243x_boards_compat[] __initconst = { |
| "ti,omap2430", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap243x_map_io, |
| .init_early = omap2430_init_early, |
| .init_machine = omap_generic_init, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap243x_boards_compat, |
| .restart = omap2xxx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_ARCH_OMAP3 |
| /* Some boards need board name for legacy userspace in /proc/cpuinfo */ |
| static const char *const n900_boards_compat[] __initconst = { |
| "nokia,omap3-n900", |
| NULL, |
| }; |
| |
| /* Set system_rev from atags */ |
| static void __init rx51_set_system_rev(const struct tag *tags) |
| { |
| const struct tag *tag; |
| |
| if (tags->hdr.tag != ATAG_CORE) |
| return; |
| |
| for_each_tag(tag, tags) { |
| if (tag->hdr.tag == ATAG_REVISION) { |
| system_rev = tag->u.revision.rev; |
| break; |
| } |
| } |
| } |
| |
| /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags, |
| * save them while the data is still not overwritten |
| */ |
| static void __init rx51_reserve(void) |
| { |
| const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100); |
| |
| save_atags(tags); |
| rx51_set_system_rev(tags); |
| omap_reserve(); |
| } |
| |
| DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board") |
| .reserve = rx51_reserve, |
| .map_io = omap3_map_io, |
| .init_early = omap3430_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = omap3_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = n900_boards_compat, |
| .restart = omap3xxx_restart, |
| MACHINE_END |
| |
| /* Generic omap3 boards, most boards can use these */ |
| static const char *const omap3_boards_compat[] __initconst = { |
| "ti,omap3430", |
| "ti,omap3", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = omap3430_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = omap3_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap3_boards_compat, |
| .restart = omap3xxx_restart, |
| MACHINE_END |
| |
| static const char *const omap36xx_boards_compat[] __initconst = { |
| "ti,omap3630", |
| "ti,omap36xx", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = omap3630_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = omap3_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap36xx_boards_compat, |
| .restart = omap3xxx_restart, |
| MACHINE_END |
| |
| static const char *const omap3_gp_boards_compat[] __initconst = { |
| "ti,omap3-beagle", |
| "timll,omap3-devkit8000", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = omap3430_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = omap3_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap3_gp_boards_compat, |
| .restart = omap3xxx_restart, |
| MACHINE_END |
| |
| static const char *const am3517_boards_compat[] __initconst = { |
| "ti,am3517", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = am35xx_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = omap3_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = am3517_boards_compat, |
| .restart = omap3xxx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_TI81XX |
| static const char *const ti814x_boards_compat[] __initconst = { |
| "ti,dm8148", |
| "ti,dm814", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = ti81xx_map_io, |
| .init_early = ti814x_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = ti81xx_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = ti814x_boards_compat, |
| .restart = ti81xx_restart, |
| MACHINE_END |
| |
| static const char *const ti816x_boards_compat[] __initconst = { |
| "ti,dm8168", |
| "ti,dm816", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = ti81xx_map_io, |
| .init_early = ti816x_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = ti81xx_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = ti816x_boards_compat, |
| .restart = ti81xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_AM33XX |
| static const char *const am33xx_boards_compat[] __initconst = { |
| "ti,am33xx", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") |
| .reserve = omap_reserve, |
| .map_io = am33xx_map_io, |
| .init_early = am33xx_init_early, |
| .init_machine = omap_generic_init, |
| .init_late = am33xx_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = am33xx_boards_compat, |
| .restart = am33xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_ARCH_OMAP4 |
| static const char *const omap4_boards_compat[] __initconst = { |
| "ti,omap4460", |
| "ti,omap4430", |
| "ti,omap4", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") |
| .l2c_aux_val = OMAP_L2C_AUX_CTRL, |
| .l2c_aux_mask = 0xcf9fffff, |
| .l2c_write_sec = omap4_l2c310_write_sec, |
| .reserve = omap_reserve, |
| .smp = smp_ops(omap4_smp_ops), |
| .map_io = omap4_map_io, |
| .init_early = omap4430_init_early, |
| .init_irq = omap_gic_of_init, |
| .init_machine = omap_generic_init, |
| .init_late = omap4430_init_late, |
| .init_time = omap_init_time_of, |
| .dt_compat = omap4_boards_compat, |
| .restart = omap44xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_OMAP5 |
| static const char *const omap5_boards_compat[] __initconst = { |
| "ti,omap5432", |
| "ti,omap5430", |
| "ti,omap5", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") |
| #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
| .dma_zone_size = SZ_2G, |
| #endif |
| .reserve = omap_reserve, |
| .smp = smp_ops(omap4_smp_ops), |
| .map_io = omap5_map_io, |
| .init_early = omap5_init_early, |
| .init_irq = omap_gic_of_init, |
| .init_machine = omap_generic_init, |
| .init_late = omap5_init_late, |
| .init_time = omap5_realtime_timer_init, |
| .dt_compat = omap5_boards_compat, |
| .restart = omap44xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_AM43XX |
| static const char *const am43_boards_compat[] __initconst = { |
| "ti,am4372", |
| "ti,am43", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") |
| .l2c_aux_val = OMAP_L2C_AUX_CTRL, |
| .l2c_aux_mask = 0xcf9fffff, |
| .l2c_write_sec = omap4_l2c310_write_sec, |
| .map_io = am33xx_map_io, |
| .init_early = am43xx_init_early, |
| .init_late = am43xx_init_late, |
| .init_irq = omap_gic_of_init, |
| .init_machine = omap_generic_init, |
| .init_time = omap_init_time_of, |
| .dt_compat = am43_boards_compat, |
| .restart = omap44xx_restart, |
| MACHINE_END |
| #endif |
| |
| #ifdef CONFIG_SOC_DRA7XX |
| static const char *const dra74x_boards_compat[] __initconst = { |
| "ti,dra762", |
| "ti,am5728", |
| "ti,am5726", |
| "ti,dra742", |
| "ti,dra7", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)") |
| #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
| .dma_zone_size = SZ_2G, |
| #endif |
| .reserve = omap_reserve, |
| .smp = smp_ops(omap4_smp_ops), |
| .map_io = dra7xx_map_io, |
| .init_early = dra7xx_init_early, |
| .init_late = dra7xx_init_late, |
| .init_irq = omap_gic_of_init, |
| .init_machine = omap_generic_init, |
| .init_time = omap5_realtime_timer_init, |
| .dt_compat = dra74x_boards_compat, |
| .restart = omap44xx_restart, |
| MACHINE_END |
| |
| static const char *const dra72x_boards_compat[] __initconst = { |
| "ti,am5718", |
| "ti,am5716", |
| "ti,dra722", |
| "ti,dra718", |
| NULL, |
| }; |
| |
| DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)") |
| #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
| .dma_zone_size = SZ_2G, |
| #endif |
| .reserve = omap_reserve, |
| .map_io = dra7xx_map_io, |
| .init_early = dra7xx_init_early, |
| .init_late = dra7xx_init_late, |
| .init_irq = omap_gic_of_init, |
| .init_machine = omap_generic_init, |
| .init_time = omap5_realtime_timer_init, |
| .dt_compat = dra72x_boards_compat, |
| .restart = omap44xx_restart, |
| MACHINE_END |
| #endif |
