[PATCH] omap4: Enable ARM local timers with OMAP4430 es1.0
From: Santosh Shilimkar <hidden>
Date: 2011-01-27 11:40:34
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
exception 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 <redacted> Acked-by: Tony Lindgren <tony@atomide.com> --- arch/arm/mach-omap2/Kconfig | 1 + arch/arm/mach-omap2/timer-mpu.c | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 1a2cf62..f285dd7 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig@@ -44,6 +44,7 @@ config ARCH_OMAP4 depends on ARCH_OMAP2PLUS select CPU_V7 select ARM_GIC + select LOCAL_TIMERS select PL310_ERRATA_588369 select ARM_ERRATA_720789 select ARCH_HAS_OPP
diff --git a/arch/arm/mach-omap2/timer-mpu.cb/arch/arm/mach-omap2/timer-mpu.c index 09c73dc..31c0ac4 100644
--- a/arch/arm/mach-omap2/timer-mpu.c
+++ b/arch/arm/mach-omap2/timer-mpu.c@@ -28,6 +28,10 @@ */ 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; twd_timer_setup(evt); return 0;
--
1.6.0.4
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