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Commit adbd1ad1 authored by Mateusz Krawczuk's avatar Mateusz Krawczuk Committed by Kukjin Kim
Browse files

ARM: S5PV210: Add board file for boot using Device Tree 



This patch adds board file that will be used to boot S5PV210/S5PC110-based
boards using Device Tree.

Signed-off-by: default avatarMateusz Krawczuk <m.krawczuk@partner.samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
[t.figa: Rebased and cleaned-up a bit.]
Signed-off-by: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 949ccc3a

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