| /* |
| * Samsung's S3C64XX flattened device tree enabled machine |
| * |
| * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com> |
| * |
| * 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/of_platform.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/system_misc.h> |
| |
| #include <plat/cpu.h> |
| #include <plat/watchdog-reset.h> |
| |
| #include <mach/map.h> |
| |
| #include "common.h" |
| |
| /* |
| * IO mapping for shared system controller IP. |
| * |
| * FIXME: Make remaining drivers use dynamic mapping. |
| */ |
| static struct map_desc s3c64xx_dt_iodesc[] __initdata = { |
| { |
| .virtual = (unsigned long)S3C_VA_SYS, |
| .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON), |
| .length = SZ_4K, |
| .type = MT_DEVICE, |
| }, |
| }; |
| |
| static void __init s3c64xx_dt_map_io(void) |
| { |
| debug_ll_io_init(); |
| iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc)); |
| |
| s3c64xx_init_cpu(); |
| |
| if (!soc_is_s3c64xx()) |
| panic("SoC is not S3C64xx!"); |
| } |
| |
| static void __init s3c64xx_dt_init_machine(void) |
| { |
| samsung_wdt_reset_of_init(); |
| of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| } |
| |
| static void s3c64xx_dt_restart(enum reboot_mode mode, const char *cmd) |
| { |
| if (mode != REBOOT_SOFT) |
| samsung_wdt_reset(); |
| |
| /* if all else fails, or mode was for soft, jump to 0 */ |
| soft_restart(0); |
| } |
| |
| static char const *s3c64xx_dt_compat[] __initdata = { |
| "samsung,s3c6400", |
| "samsung,s3c6410", |
| NULL |
| }; |
| |
| DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)") |
| /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */ |
| .dt_compat = s3c64xx_dt_compat, |
| .map_io = s3c64xx_dt_map_io, |
| .init_machine = s3c64xx_dt_init_machine, |
| .restart = s3c64xx_dt_restart, |
| MACHINE_END |
