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| author | Mattias Wallin <mattias.wallin@stericsson.com> | 2011-05-27 10:30:34 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2011-09-22 15:43:20 +0200 |
| commit | 7ed00af7a960031ad00017e3ebcf1d3ef22af498 (patch) | |
| tree | e96b004167dcdb8a4c9643c5d2fc82139267c079 /arch/arm/mach-ux500 | |
| parent | 489bccea6334514a8e13436f10d0a274777bf17a (diff) | |
| download | kernel_samsung_smdk4412-7ed00af7a960031ad00017e3ebcf1d3ef22af498.zip kernel_samsung_smdk4412-7ed00af7a960031ad00017e3ebcf1d3ef22af498.tar.gz kernel_samsung_smdk4412-7ed00af7a960031ad00017e3ebcf1d3ef22af498.tar.bz2 | |
ARM: ux500: add support for clocksource DBX500 PRCMU
This patch adds support for the DBX500 PRCMU clocksource
to ux500 platforms.
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.co>
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-ux500')
| -rw-r--r-- | arch/arm/mach-ux500/cpu.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/db5500-regs.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/db8500-regs.h | 3 |
3 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c index 1da23bb..c0e4593 100644 --- a/arch/arm/mach-ux500/cpu.c +++ b/arch/arm/mach-ux500/cpu.c @@ -10,6 +10,7 @@ #include <linux/clk.h> #include <linux/mfd/db8500-prcmu.h> #include <linux/mfd/db5500-prcmu.h> +#include <linux/clksrc-dbx500-prcmu.h> #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> @@ -140,7 +141,15 @@ static void __init ux500_timer_init(void) else ux500_unknown_soc(); + if (cpu_is_u8500()) + clksrc_dbx500_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE); + else if (cpu_is_u5500()) + clksrc_dbx500_timer_base = __io_address(U5500_PRCMU_TIMER_3_BASE); + else + ux500_unknown_soc(); + nmdk_timer_init(); + clksrc_dbx500_prcmu_init(); } struct sys_timer ux500_timer = { diff --git a/arch/arm/mach-ux500/include/mach/db5500-regs.h b/arch/arm/mach-ux500/include/mach/db5500-regs.h index 6ad9832..994b5fe 100644 --- a/arch/arm/mach-ux500/include/mach/db5500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db5500-regs.h @@ -61,6 +61,8 @@ #define U5500_SCR_BASE (U5500_PER4_BASE + 0x5000) #define U5500_DMC_BASE (U5500_PER4_BASE + 0x6000) #define U5500_PRCMU_BASE (U5500_PER4_BASE + 0x7000) +#define U5500_PRCMU_TIMER_3_BASE (U5500_PER4_BASE + 0x07338) +#define U5500_PRCMU_TIMER_4_BASE (U5500_PER4_BASE + 0x07450) #define U5500_MSP1_BASE (U5500_PER4_BASE + 0x9000) #define U5500_GPIO2_BASE (U5500_PER4_BASE + 0xA000) #define U5500_CDETECT_BASE (U5500_PER4_BASE + 0xF000) diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h index 0499971..751b0e6 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h @@ -102,10 +102,13 @@ #define U8500_SCR_BASE (U8500_PER4_BASE + 0x05000) #define U8500_DMC_BASE (U8500_PER4_BASE + 0x06000) #define U8500_PRCMU_BASE (U8500_PER4_BASE + 0x07000) +#define U8500_PRCMU_TIMER_3_BASE (U8500_PER4_BASE + 0x07338) +#define U8500_PRCMU_TIMER_4_BASE (U8500_PER4_BASE + 0x07450) #define U8500_PRCMU_TCDM_BASE_V1 (U8500_PER4_BASE + 0x0f000) #define U8500_PRCMU_TCDM_BASE (U8500_PER4_BASE + 0x68000) #define U8500_PRCMU_TCPM_BASE (U8500_PER4_BASE + 0x60000) + /* per3 base addresses */ #define U8500_FSMC_BASE (U8500_PER3_BASE + 0x0000) #define U8500_SSP0_BASE (U8500_PER3_BASE + 0x2000) |