From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v8 04/14] ARM: omap4: use remapped PPI interrupts for local timer
Date: Tue, 5 Jul 2011 09:49:05 +0100 [thread overview]
Message-ID: <1309855755-6261-5-git-send-email-marc.zyngier@arm.com> (raw)
In-Reply-To: <1309855755-6261-1-git-send-email-marc.zyngier@arm.com>
Use the normal interrupt scheme for the local timers by using
a remapped PPI interrupt.
Tested on a Pandaboard.
Cc: Tony Lindgren <tony@atomide.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
arch/arm/mach-omap2/Kconfig | 1 +
arch/arm/mach-omap2/include/mach/entry-macro.S | 14 +-------------
arch/arm/mach-omap2/timer-mpu.c | 3 ++-
3 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 19d5891..833717f 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 ARM_GIC_PPI_MAP
select LOCAL_TIMERS if SMP
select PL310_ERRATA_588369
select PL310_ERRATA_727915
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
index a48690b..22d86ef 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
@@ -78,7 +78,7 @@
4401: ldr \irqstat, [\base, #GIC_CPU_INTACK]
ldr \tmp, =1021
bic \irqnr, \irqstat, #0x1c00
- cmp \irqnr, #29
+ cmp \irqnr, #15
cmpcc \irqnr, \irqnr
cmpne \irqnr, \tmp
cmpcs \irqnr, \irqnr
@@ -101,18 +101,6 @@
it cs
cmpcs \irqnr, \irqnr
.endm
-
- /* As above, this assumes that irqstat and base are preserved */
-
- .macro test_for_ltirq, irqnr, irqstat, base, tmp
- bic \irqnr, \irqstat, #0x1c00
- mov \tmp, #0
- cmp \irqnr, #29
- itt eq
- moveq \tmp, #1
- streq \irqstat, [\base, #GIC_CPU_EOI]
- cmp \tmp, #0
- .endm
#endif /* CONFIG_SMP */
#else /* MULTI_OMAP2 */
diff --git a/arch/arm/mach-omap2/timer-mpu.c b/arch/arm/mach-omap2/timer-mpu.c
index 31c0ac4..61b57fb 100644
--- a/arch/arm/mach-omap2/timer-mpu.c
+++ b/arch/arm/mach-omap2/timer-mpu.c
@@ -22,6 +22,7 @@
#include <asm/irq.h>
#include <asm/smp_twd.h>
#include <asm/localtimer.h>
+#include <asm/hardware/gic.h>
/*
* Setup the local clock events for a CPU.
@@ -32,7 +33,7 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
- evt->irq = OMAP44XX_IRQ_LOCALTIMER;
+ evt->irq = gic_ppi_map(OMAP44XX_IRQ_LOCALTIMER);
twd_timer_setup(evt);
return 0;
}
--
1.7.0.4
next prev parent reply other threads:[~2011-07-05 8:49 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-05 8:49 [PATCH v8 00/14] Consolidating GIC per-cpu interrupts Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 01/14] ARM: gic: add per-cpu interrupt mapping Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 02/14] ARM: smp: add interrupt handler for local timers Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 03/14] ARM: smp_twd: add support for remapped PPI interrupts Marc Zyngier
2011-07-08 19:27 ` Russell King - ARM Linux
2011-07-10 15:13 ` Marc Zyngier
2011-07-05 8:49 ` Marc Zyngier [this message]
2011-07-07 14:32 ` [PATCH v8 04/14] ARM: omap4: use remapped PPI interrupts for local timer Tony Lindgren
2011-07-05 8:49 ` [PATCH v8 05/14] ARM: versatile: " Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 06/14] ARM: shmobile: " Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 07/14] ARM: ux500: " Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 08/14] ARM: tegra: " Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 09/14] ARM: msm: " Marc Zyngier
2011-07-05 18:06 ` David Brown
2011-07-05 8:49 ` [PATCH v8 10/14] ARM: exynos4: " Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 11/14] ARM: gic: remove previous local timer interrupt handling Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 12/14] ARM: gic: add compute_irqnr macro for exynos4 Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 13/14] ARM: SMP: automatically select ARM_GIC_PPI_MAP Marc Zyngier
2011-07-05 8:49 ` [PATCH v8 14/14] ARM: gic: add gic_ppi_map_on_cpu() Marc Zyngier
2011-07-08 19:57 ` Russell King - ARM Linux
2011-07-10 15:10 ` Marc Zyngier
2011-07-10 15:37 ` Russell King - ARM Linux
2011-07-10 18:30 ` Russell King - ARM Linux
2011-07-11 9:52 ` Marc Zyngier
2011-07-11 10:17 ` Russell King - ARM Linux
2011-07-11 11:14 ` Marc Zyngier
2011-07-11 11:38 ` Russell King - ARM Linux
2011-07-11 12:36 ` Marc Zyngier
2011-07-06 5:46 ` [PATCH v8 00/14] Consolidating GIC per-cpu interrupts Shawn Guo
2011-07-06 9:53 ` Marc Zyngier
2011-07-06 11:02 ` Marc Zyngier
2011-07-06 11:11 ` Russell King - ARM Linux
2011-07-06 11:18 ` Marc Zyngier
2011-07-06 12:26 ` Arnd Bergmann
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