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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 13:42:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 13:42:43 -0700
commit2cf4d4514d5b43c1f3b64bd0ec8b9853bde8f1dc (patch)
treee35a625496acc6ac852846d40b8851186b9d1ac4 /arch/arm/mach-omap2/timer-gp.c
parent44b7532b8b464f606053562400719c9c21276037 (diff)
parentce53895a5d24e0ee19fb92f56c17323fb4c9ab27 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (417 commits) MAINTAINERS: EB110ATX is not ebsa110 MAINTAINERS: update Eric Miao's email address and status fb: add support of LCD display controller on pxa168/910 (base layer) [ARM] 5552/1: ep93xx get_uart_rate(): use EP93XX_SYSCON_PWRCNT and EP93XX_SYSCON_PWRCN [ARM] pxa/sharpsl_pm: zaurus needs generic pxa suspend/resume routines [ARM] 5544/1: Trust PrimeCell resource sizes [ARM] pxa/sharpsl_pm: cleanup of gpio-related code. [ARM] pxa/sharpsl_pm: drop set_irq_type calls [ARM] pxa/sharpsl_pm: merge pxa-specific code into generic one [ARM] pxa/sharpsl_pm: merge the two sharpsl_pm.c since it's now pxa specific [ARM] sa1100: remove unused collie_pm.c [ARM] pxa: fix the conflicting non-static declarations of global_gpios[] [ARM] 5550/1: Add default configure file for w90p910 platform [ARM] 5549/1: Add clock api for w90p910 platform. [ARM] 5548/1: Add gpio api for w90p910 platform [ARM] 5551/1: Add multi-function pin api for w90p910 platform. [ARM] Make ARM_VIC_NR depend on ARM_VIC [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 ARM: OMAP4: SMP: Update defconfig for OMAP4430 ARM: OMAP4: SMP: Enable SMP support for OMAP4430 ...
Diffstat (limited to 'arch/arm/mach-omap2/timer-gp.c')
-rw-r--r--arch/arm/mach-omap2/timer-gp.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index f36aba12090..97eeeebcb06 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -17,9 +17,10 @@
*
* Some parts based off of TI's 24xx code:
*
- * Copyright (C) 2004 Texas Instruments, Inc.
+ * Copyright (C) 2004-2009 Texas Instruments, Inc.
*
* Roughly modelled after the OMAP1 MPU timer code.
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -37,6 +38,7 @@
#include <asm/mach/time.h>
#include <mach/dmtimer.h>
+#include <asm/localtimer.h>
/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
#define MAX_GPTIMER_ID 12
@@ -82,7 +84,8 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
case CLOCK_EVT_MODE_PERIODIC:
period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
period -= 1;
-
+ if (cpu_is_omap44xx())
+ period = 0xff; /* FIXME: */
omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
break;
case CLOCK_EVT_MODE_ONESHOT:
@@ -145,6 +148,9 @@ static void __init omap2_gp_clockevent_init(void)
"timer-gp: omap_dm_timer_set_source() failed\n");
tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
+ if (cpu_is_omap44xx())
+ /* Assuming 32kHz clk is driving GPT1 */
+ tick_rate = 32768; /* FIXME: */
pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
gptimer_id, tick_rate);
@@ -224,6 +230,9 @@ static void __init omap2_gp_clocksource_init(void)
static void __init omap2_gp_timer_init(void)
{
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_base = IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE);
+#endif
omap_dm_timer_init();
omap2_gp_clockevent_init();