ARM: S5PV210: Add board file for boot using Device Tree (adbd1ad1) · Commits · 戴 / test

arch/arm/mach-s5pv210/Kconfig

+14 −0

Original line number	Diff line number	Diff line
		@@ -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

arch/arm/mach-s5pv210/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -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

arch/arm/mach-s5pv210/s5pv210.c

0 → 100644

+68 −0

Original line number	Diff line number	Diff line
		/*
		* 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

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