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ARM: S5PV310: Add DMC registers and map_desc

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This patch adds DMC io mapping for access it and adds registers.
This is used in checking DRAM memory type.

Signed-off-by: Sunyoung Kang <sy0816.kang@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Sunyoung Kang 2010-12-22 07:21:17 +09:00 committed by Kukjin Kim
parent 09dc781e94
commit dd0b7e20da
3 changed files with 30 additions and 0 deletions
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5
arch/arm/mach-s5pv310/cpu.c
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@ -72,6 +72,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = {
.pfn = __phys_to_pfn(S5PV310_PA_GPIO3),
.length = SZ_256,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_DMC0,
.pfn = __phys_to_pfn(S5PV310_PA_DMC0),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S3C_PA_UART),

2
arch/arm/mach-s5pv310/include/mach/map.h
View file

@ -44,6 +44,8 @@
#define S5PV310_PA_WATCHDOG (0x10060000)
#define S5PV310_PA_RTC (0x10070000)
#define S5PV310_PA_DMC0 (0x10400000)
#define S5PV310_PA_COMBINER (0x10448000)
#define S5PV310_PA_COREPERI (0x10500000)

23
arch/arm/mach-s5pv310/include/mach/regs-mem.h Normal file
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@ -0,0 +1,23 @@
/* linux/arch/arm/mach-s5pv310/include/mach/regs-mem.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* S5PV310 - SROMC and DMC register definitions
*
* 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.
*/
#ifndef __ASM_ARCH_REGS_MEM_H
#define __ASM_ARCH_REGS_MEM_H __FILE__
#include <mach/map.h>
#define S5P_DMC0_MEMCON_OFFSET 0x04
#define S5P_DMC0_MEMTYPE_SHIFT 8
#define S5P_DMC0_MEMTYPE_MASK 0xF
#endif /* __ASM_ARCH_REGS_MEM_H */