From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH 2/5] omap4: Enable ARM local timers with OMAP4430 es1.0 exception Date: Mon, 14 Feb 2011 13:08:39 -0800 Message-ID: <20110214210838.GI20795@atomide.com> References: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:54584 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752015Ab1BNVIp (ORCPT ); Mon, 14 Feb 2011 16:08:45 -0500 Content-Disposition: inline In-Reply-To: <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Santosh Shilimkar Cc: linux-omap@vger.kernel.org, khilman@ti.com, linux-arm-kernel@lists.infradead.org * Santosh Shilimkar [110212 03:28]: > 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 Acked-by: Tony Lindgren > --- > 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: tony@atomide.com (Tony Lindgren) Date: Mon, 14 Feb 2011 13:08:39 -0800 Subject: [PATCH 2/5] omap4: Enable ARM local timers with OMAP4430 es1.0 exception In-Reply-To: <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> References: <1297510187-31547-1-git-send-email-santosh.shilimkar@ti.com> <1297510187-31547-3-git-send-email-santosh.shilimkar@ti.com> Message-ID: <20110214210838.GI20795@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Santosh Shilimkar [110212 03:28]: > 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 Acked-by: Tony Lindgren > --- > 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 >