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| author | Sunyoung Kang <sy0816.kang@samsung.com> | 2010-12-22 07:21:17 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-12-23 14:53:39 +0900 |
| commit | dd0b7e20da906b40d55f24bb2dc21abd58ed3f55 (patch) | |
| tree | f4b66c9b95a8883c6633b0a9edb8ff15292baa77 /arch | |
| parent | 09dc781e94b881d23e3c5da8c72d6832ae542938 (diff) | |
| download | lwn-dd0b7e20da906b40d55f24bb2dc21abd58ed3f55.tar.gz lwn-dd0b7e20da906b40d55f24bb2dc21abd58ed3f55.zip | |
ARM: S5PV310: Add DMC registers and map_desc
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-s5pv310/cpu.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv310/include/mach/map.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv310/include/mach/regs-mem.h | 23 |
3 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c index 82ce4aa6d61a..283dd75effe7 100644 --- a/arch/arm/mach-s5pv310/cpu.c +++ b/arch/arm/mach-s5pv310/cpu.c @@ -73,6 +73,11 @@ static struct map_desc s5pv310_iodesc[] __initdata = { .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), .length = SZ_512K, diff --git a/arch/arm/mach-s5pv310/include/mach/map.h b/arch/arm/mach-s5pv310/include/mach/map.h index 7acf4e77e92e..37294f13ca0c 100644 --- a/arch/arm/mach-s5pv310/include/mach/map.h +++ b/arch/arm/mach-s5pv310/include/mach/map.h @@ -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) diff --git a/arch/arm/mach-s5pv310/include/mach/regs-mem.h b/arch/arm/mach-s5pv310/include/mach/regs-mem.h new file mode 100644 index 000000000000..834227140eaa --- /dev/null +++ b/arch/arm/mach-s5pv310/include/mach/regs-mem.h @@ -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 */ |