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Subject[PATCH v2 21/28] ARM: tegra: Allow overriding arch_reset
Date
Signed-off-by: Colin Cross <ccross@android.com>
---
v2: Move definition of tegra_assert_system_reset out of static
inline

arch/arm/mach-tegra/board.h | 2 ++
arch/arm/mach-tegra/common.c | 13 +++++++++++++
arch/arm/mach-tegra/include/mach/system.h | 10 ++--------
3 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h
index ae5c333..15d561b 100644
--- a/arch/arm/mach-tegra/board.h
+++ b/arch/arm/mach-tegra/board.h
@@ -23,6 +23,8 @@

#include <linux/types.h>

+void tegra_assert_system_reset(char mode, const char *cmd);
+
void __init tegra_common_init(void);
void __init tegra_map_common_io(void);
void __init tegra_init_irq(void);
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 53ddf55..1b32495 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -27,6 +27,7 @@

#include <mach/iomap.h>
#include <mach/dma.h>
+#include <mach/system.h>

#include "board.h"
#include "clock.h"
@@ -36,6 +37,18 @@
unsigned long tegra_lp0_vec_start;
unsigned long tegra_lp0_vec_size;

+void (*arch_reset)(char mode, const char *cmd) = tegra_assert_system_reset;
+
+void tegra_assert_system_reset(char mode, const char *cmd)
+{
+ void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
+ u32 reg;
+
+ reg = readl(reset);
+ reg |= 0x04;
+ writel(reg, reset);
+}
+
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..d0183d8 100644
--- a/arch/arm/mach-tegra/include/mach/system.h
+++ b/arch/arm/mach-tegra/include/mach/system.h
@@ -24,16 +24,10 @@
#include <mach/hardware.h>
#include <mach/iomap.h>

-static inline void arch_idle(void)
-{
-}
+extern void (*arch_reset)(char mode, const char *cmd);

-static inline void arch_reset(char mode, const char *cmd)
+static inline void arch_idle(void)
{
- void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
- u32 reg = readl(reset);
- reg |= 0x04;
- writel(reg, reset);
}

#endif
--
1.7.3.1


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