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ARM: ux500: add support for clocksource DBX500 PRCMU

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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>
This commit is contained in:
Mattias Wallin 2011-05-27 10:30:34 +02:00 committed by Linus Walleij
parent 489bccea63
commit 7ed00af7a9
3 changed files with 14 additions and 0 deletions
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9
arch/arm/mach-ux500/cpu.c
View file

@ -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 = {

2
arch/arm/mach-ux500/include/mach/db5500-regs.h
View file

@ -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)

3
arch/arm/mach-ux500/include/mach/db8500-regs.h
View file

@ -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)