diff options
| -rw-r--r-- | arch/arm/mach-s5pv210/Kconfig | 14 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv210/s5pv210.c | 68 |
3 files changed, 83 insertions, 1 deletions
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index f60f2862856d..ed492cf10a16 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -194,6 +194,20 @@ config MACH_TORBRECK help Machine support for aESOP Torbreck +config MACH_S5PV210_DT + bool "Samsung S5PV210/S5PC110 machine using Device Tree" + select CLKSRC_OF + select CPU_S5PV210 + select PINCTRL + select PINCTRL_EXYNOS + select USE_OF + help + Machine support for Samsung S5PV210/S5PC110 machines with Device Tree + enabled. + Select this if a fdt blob is available for your S5PV210 SoC based + board. + Note: This is under development and not all peripherals can be + supported with this machine file. endmenu endif diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index 08358bbccb88..8d87b10ea461 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -24,7 +24,7 @@ obj-$(CONFIG_MACH_GONI) += mach-goni.o obj-$(CONFIG_MACH_SMDKC110) += mach-smdkc110.o obj-$(CONFIG_MACH_SMDKV210) += mach-smdkv210.o obj-$(CONFIG_MACH_TORBRECK) += mach-torbreck.o - +obj-$(CONFIG_MACH_S5PV210_DT) += s5pv210.o # device support obj-y += dev-audio.o diff --git a/arch/arm/mach-s5pv210/s5pv210.c b/arch/arm/mach-s5pv210/s5pv210.c new file mode 100644 index 000000000000..c244ccb6b236 --- /dev/null +++ b/arch/arm/mach-s5pv210/s5pv210.c @@ -0,0 +1,68 @@ +/* + * Samsung's S5PC110/S5PV210 flattened device tree enabled machine. + * + * Copyright (c) 2013-2014 Samsung Electronics Co., Ltd. + * Mateusz Krawczuk <m.krawczuk@partner.samsung.com> + * Tomasz Figa <t.figa@samsung.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_fdt.h> +#include <linux/of_platform.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/system_misc.h> + +#include <plat/map-base.h> +#include <mach/regs-clock.h> + +static int __init s5pv210_fdt_map_sys(unsigned long node, const char *uname, + int depth, void *data) +{ + struct map_desc iodesc; + const __be32 *reg; + int len; + + if (!of_flat_dt_is_compatible(node, "samsung,s5pv210-clock")) + return 0; + + reg = of_get_flat_dt_prop(node, "reg", &len); + if (reg == NULL || len != (sizeof(unsigned long) * 2)) + return 0; + + iodesc.pfn = __phys_to_pfn(be32_to_cpu(reg[0])); + iodesc.length = be32_to_cpu(reg[1]) - 1; + iodesc.virtual = (unsigned long)S3C_VA_SYS; + iodesc.type = MT_DEVICE; + iotable_init(&iodesc, 1); + + return 1; +} + +static void __init s5pv210_dt_map_io(void) +{ + debug_ll_io_init(); + + of_scan_flat_dt(s5pv210_fdt_map_sys, NULL); +} + +static void s5pv210_dt_restart(enum reboot_mode mode, const char *cmd) +{ + __raw_writel(0x1, S5P_SWRESET); +} + +static char const *s5pv210_dt_compat[] __initconst = { + "samsung,s5pc110", + "samsung,s5pv210", + NULL +}; + +DT_MACHINE_START(S5PV210_DT, "Samsung S5PC110/S5PV210-based board") + .dt_compat = s5pv210_dt_compat, + .map_io = s5pv210_dt_map_io, + .restart = s5pv210_dt_restart, +MACHINE_END |