diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-generic.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-generic.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c new file mode 100644 index 000000000..6e59c1113 --- /dev/null +++ b/arch/arm/mach-omap2/board-generic.c @@ -0,0 +1,360 @@ +/* + * Copyright (C) 2005 Nokia Corporation + * Author: Paul Mundt <paul.mundt@nokia.com> + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://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. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/io.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/irqdomain.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(); +} + +#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, + .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, + .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, + .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, + .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, + .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 = omap3_secure_sync32k_timer_init, + .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 = omap3_gptimer_timer_init, + .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 = omap3_gptimer_timer_init, + .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 = omap3_gptimer_timer_init, + .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 = omap3_gptimer_timer_init, + .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 = omap4_local_timer_init, + .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 = omap3_gptimer_timer_init, + .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 = omap3_gptimer_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 = omap3_gptimer_timer_init, + .dt_compat = dra72x_boards_compat, + .restart = omap44xx_restart, +MACHINE_END +#endif |