From 2b7401590d97951d7b3df67ba7dc4fc2930928f0 Mon Sep 17 00:00:00 2001 From: Changhwan Youn Date: Fri, 11 Mar 2011 10:39:35 +0900 Subject: [PATCH] ARM: EXYNOS4: Add SYSTIMER IO Address mapping for MCT The MCT(Multi-Core Timer) is used for implementing kernel timers for EXYNOS4210. Signed-off-by: Changhwan Youn Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/cpu.c | 5 +++++ arch/arm/mach-exynos4/include/mach/map.h | 1 + 2 files changed, 6 insertions(+) diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index b0ec6d3d3774..479dfa1951c8 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -31,6 +31,11 @@ extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq); /* Initial IO mappings */ static struct map_desc exynos4_iodesc[] __initdata = { { + .virtual = (unsigned long)S5P_VA_SYSTIMER, + .pfn = __phys_to_pfn(EXYNOS4_PA_SYSTIMER), + .length = SZ_4K, + .type = MT_DEVICE, + }, { .virtual = (unsigned long)S5P_VA_SYSRAM, .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM), .length = SZ_4K, diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h index 4d7f0cebfc7c..89ab6f75776c 100644 --- a/arch/arm/mach-exynos4/include/mach/map.h +++ b/arch/arm/mach-exynos4/include/mach/map.h @@ -44,6 +44,7 @@ #define EXYNOS4_PA_PMU 0x10020000 #define EXYNOS4_PA_CMU 0x10030000 +#define EXYNOS4_PA_SYSTIMER 0x10050000 #define EXYNOS4_PA_WATCHDOG 0x10060000 #define EXYNOS4_PA_RTC 0x10070000 -- 2.39.2