From: ccross@android.com (Colin Cross)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 20/21] ARM: tegra: Allow overriding arch_reset
Date: Sun, 5 Dec 2010 15:09:07 -0800 [thread overview]
Message-ID: <1291590548-7341-21-git-send-email-ccross@android.com> (raw)
In-Reply-To: <1291590548-7341-1-git-send-email-ccross@android.com>
From: Colin Cross <ccross@google.com>
Signed-off-by: Colin Cross <ccross@google.com>
---
arch/arm/mach-tegra/common.c | 3 +++
arch/arm/mach-tegra/include/mach/system.h | 18 ++++++++++++++++--
2 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 64ea415..c8e9bdb 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -26,12 +26,15 @@
#include <mach/iomap.h>
#include <mach/dma.h>
+#include <mach/system.h>
#include "board.h"
#include "clock.h"
#include "fuse.h"
#include "power.h"
+void (*tegra_reset)(char mode, const char *cmd);
+
static __initdata struct tegra_clk_init_table common_clk_init_table[] = {
/* name parent rate enabled */
{ "clk_m", NULL, 0, true },
diff --git a/arch/arm/mach-tegra/include/mach/system.h b/arch/arm/mach-tegra/include/mach/system.h
index 84d5d46..70c95ac 100644
--- a/arch/arm/mach-tegra/include/mach/system.h
+++ b/arch/arm/mach-tegra/include/mach/system.h
@@ -24,16 +24,30 @@
#include <mach/hardware.h>
#include <mach/iomap.h>
+extern void (*tegra_reset)(char mode, const char *cmd);
+
static inline void arch_idle(void)
{
}
-static inline void arch_reset(char mode, const char *cmd)
+static inline void tegra_assert_system_reset(void)
{
void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
- u32 reg = readl(reset);
+ u32 reg;
+
+ reg = readl(reset);
reg |= 0x04;
writel(reg, reset);
}
+static inline void arch_reset(char mode, const char *cmd)
+{
+ if (tegra_reset)
+ tegra_reset(mode, cmd);
+ else
+ tegra_assert_system_reset();
+
+ do { } while (1);
+}
+
#endif
--
1.7.3.1
next prev parent reply other threads:[~2010-12-05 23:09 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-05 23:08 [PATCH 00/21] Updates for Tegra support in 2.6.38 Colin Cross
2010-12-05 23:08 ` [PATCH 01/21] ARM: tegra: irq: Rename gic pointers to avoid conflicts Colin Cross
2010-12-05 23:08 ` [PATCH 02/21] ARM: gic: Add functions to save and restore gic state Colin Cross
2010-12-05 23:30 ` Russell King - ARM Linux
2010-12-05 23:52 ` Colin Cross
2010-12-05 23:08 ` [PATCH 03/21] ARM: gic: Export irq chip functions Colin Cross
2010-12-05 23:08 ` [PATCH 04/21] ARM: tegra: Centralize macros to define debug uart base Colin Cross
2010-12-05 23:08 ` [PATCH 05/21] ARM: tegra: Add api to control internal powergating Colin Cross
2010-12-05 23:08 ` [PATCH 06/21] ARM: tegra: irqs: Update irq list Colin Cross
2010-12-05 23:08 ` [PATCH 07/21] ARM: tegra: Add prototypes for subsystem suspend functions Colin Cross
2010-12-05 23:08 ` [PATCH 08/21] ARM: tegra: clock: Suspend fixes, and add new clocks Colin Cross
2010-12-05 23:08 ` [PATCH 09/21] ARM: tegra: pinmux: Add missing drive pingroups and fix suspend Colin Cross
2010-12-05 23:08 ` [PATCH 10/21] ARM: tegra: timer: Add idle and suspend support to timers Colin Cross
2010-12-05 23:08 ` [PATCH 11/21] ARM: tegra: irq: Add support for suspend wake sources Colin Cross
2010-12-05 23:08 ` [PATCH 12/21] ARM: tegra: Add suspend and hotplug support Colin Cross
2010-12-06 0:01 ` Russell King - ARM Linux
2010-12-05 23:09 ` [PATCH 13/21] ARM: tegra: irq: Add set_wake and set_type support for suspend Colin Cross
2010-12-05 23:09 ` [PATCH 14/21] ARM: tegra: irq: Add debugfs file to show wake irqs Colin Cross
2010-12-06 21:07 ` Stephen Boyd
2010-12-05 23:09 ` [PATCH 15/21] ARM: tegra: irq: Implement retrigger Colin Cross
2010-12-05 23:09 ` [PATCH 16/21] ARM: tegra: gpio: Add support for waking from suspend Colin Cross
2010-12-05 23:09 ` [PATCH 17/21] ARM: tegra: add CPU_IDLE driver Colin Cross
2010-12-05 23:09 ` [PATCH 18/21] ARM: tegra: iomap: Add missing devices, fix use of SZ_8, SZ_64 Colin Cross
2010-12-05 23:09 ` [PATCH 19/21] ARM: tegra: cpufreq: Disable cpufreq during suspend Colin Cross
2010-12-05 23:09 ` Colin Cross [this message]
2010-12-05 23:39 ` [PATCH 20/21] ARM: tegra: Allow overriding arch_reset Russell King - ARM Linux
2010-12-05 23:09 ` [PATCH 21/21] ARM: tegra: dma: Fix critical data corruption bugs Colin Cross
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