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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 03:42:32 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 03:42:32 +0400
commitb5153163ed580e00c67bdfecb02b2e3843817b3e (patch)
treeb8c878601f07f5df8f694435857a5f3dcfd75482 /arch/arm/mach-msm/timer.c
parenta8cbf22559ceefdcdfac00701e8e6da7518b7e8e (diff)
parent6451d7783ba5ff24eb1a544eaa6665b890f30466 (diff)
downloadlinux-b5153163ed580e00c67bdfecb02b2e3843817b3e.tar.xz
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (278 commits) arm: remove machine_desc.io_pg_offst and .phys_io arm: use addruart macro to establish debug mappings arm: return both physical and virtual addresses from addruart arm/debug: consolidate addruart macros for CONFIG_DEBUG_ICEDCC ARM: make struct machine_desc definition coherent with its comment eukrea_mbimxsd-baseboard: Pass the correct GPIO to gpio_free cpuimx27: fix compile when ULPI is selected mach-pcm037_eet: fix compile errors Fixing ethernet driver compilation error for i.MX31 ADS board cpuimx51: update board support mx5: add cpuimx51sd module and its baseboard iomux-mx51: fix GPIO_1_xx 's IOMUX configuration imx-esdhc: update devices registration mx51: add resources for SD/MMC on i.MX51 iomux-mx51: fix SD1 and SD2's iomux configuration clock-mx51: rename CLOCK1 to CLOCK_CCGR for better readability clock-mx51: factorize clk_set_parent and clk_get_rate eukrea_mbimxsd: add support for DVI displays cpuimx25 & cpuimx35: fix OTG port registration in host mode i.MX31 and i.MX35 : fix errate TLSbo65953 and ENGcm09472 ...
Diffstat (limited to 'arch/arm/mach-msm/timer.c')
-rw-r--r--arch/arm/mach-msm/timer.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index dec5ca622d7d..7689848ec680 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -28,7 +28,6 @@
#ifndef MSM_DGT_BASE
#define MSM_DGT_BASE (MSM_GPT_BASE + 0x10)
#endif
-#define MSM_DGT_SHIFT (5)
#define TIMER_MATCH_VAL 0x0000
#define TIMER_COUNT_VAL 0x0004
@@ -36,12 +35,28 @@
#define TIMER_ENABLE_CLR_ON_MATCH_EN 2
#define TIMER_ENABLE_EN 1
#define TIMER_CLEAR 0x000C
-
+#define DGT_CLK_CTL 0x0034
+enum {
+ DGT_CLK_CTL_DIV_1 = 0,
+ DGT_CLK_CTL_DIV_2 = 1,
+ DGT_CLK_CTL_DIV_3 = 2,
+ DGT_CLK_CTL_DIV_4 = 3,
+};
#define CSR_PROTECTION 0x0020
#define CSR_PROTECTION_EN 1
#define GPT_HZ 32768
+
+#if defined(CONFIG_ARCH_QSD8X50)
+#define DGT_HZ (19200000 / 4) /* 19.2 MHz / 4 by default */
+#define MSM_DGT_SHIFT (0)
+#elif defined(CONFIG_ARCH_MSM7X30) || defined(CONFIG_ARCH_MSM8X60)
+#define DGT_HZ (24576000 / 4) /* 24.576 MHz (LPXO) / 4 by default */
+#define MSM_DGT_SHIFT (0)
+#else
#define DGT_HZ 19200000 /* 19.2 MHz or 600 KHz after shift */
+#define MSM_DGT_SHIFT (5)
+#endif
struct msm_clock {
struct clock_event_device clockevent;
@@ -170,6 +185,10 @@ static void __init msm_timer_init(void)
int i;
int res;
+#ifdef CONFIG_ARCH_MSM8X60
+ writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL);
+#endif
+
for (i = 0; i < ARRAY_SIZE(msm_clocks); i++) {
struct msm_clock *clock = &msm_clocks[i];
struct clock_event_device *ce = &clock->clockevent;