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ARM: 6753/1: omap4: Enable ARM local timers with OMAP4430 es1.0 exception

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On OMAP4430 ES1.0 the local timers are gated by security. Enable the
CONFIG_LOCAL_TIMERS for omap2plus build and handle the OMAP4430 es1.0
exception case.

This patch has dependency on the first patch in this series.
	ARM: smp: Select local timers vs dummy timer support runtime

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Santosh Shilimkar
2011-02-22 09:57:47 +01:00
committed by Russell King
parent af90f10d38
commit 07787a85c0
2 changed files with 5 additions and 0 deletions
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1
arch/arm/mach-omap2/Kconfig
View File

@@ -44,6 +44,7 @@ config ARCH_OMAP4
depends on ARCH_OMAP2PLUS depends on ARCH_OMAP2PLUS
select CPU_V7 select CPU_V7
select ARM_GIC select ARM_GIC
select LOCAL_TIMERS if SMP
select PL310_ERRATA_588369 select PL310_ERRATA_588369
select ARM_ERRATA_720789 select ARM_ERRATA_720789
select ARCH_HAS_OPP select ARCH_HAS_OPP

4
arch/arm/mach-omap2/timer-mpu.c
View File

@@ -28,6 +28,10 @@
*/ */
int __cpuinit local_timer_setup(struct clock_event_device *evt) int __cpuinit local_timer_setup(struct clock_event_device *evt)
{ {
/* Local timers are not supprted on OMAP4430 ES1.0 */
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
evt->irq = OMAP44XX_IRQ_LOCALTIMER; evt->irq = OMAP44XX_IRQ_LOCALTIMER;
twd_timer_setup(evt); twd_timer_setup(evt);
return 0; return 0;