From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shilimkar Subject: [PATCH 2/5] omap4: Enable ARM local timers with OMAP4430 es1.0 exception Date: Sat, 12 Feb 2011 16:59:44 +0530 Message-ID: <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> References: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:46375 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751940Ab1BLL36 (ORCPT ); Sat, 12 Feb 2011 06:29:58 -0500 In-Reply-To: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: khilman@ti.com, linux-arm-kernel@lists.infradead.org, tony@atomide.com, Santosh Shilimkar 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 --- 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.c b/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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@ti.com (Santosh Shilimkar) Date: Sat, 12 Feb 2011 16:59:44 +0530 Subject: [PATCH 2/5] omap4: Enable ARM local timers with OMAP4430 es1.0 exception In-Reply-To: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> References: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> Message-ID: <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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.c b/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