arm/tegra: use PMC reset

Use PMC reset rather then CAR system reset as recommended by the hardware
team.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 0fafb60..007d34f 100644 (file)
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -48,12 +48,11 @@ void __init tegra_dt_init_irq(void)
 
 void tegra_assert_system_reset(char mode, const char *cmd)
 {
-       void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
+       void __iomem *reset = IO_ADDRESS(TEGRA_PMC_BASE + 0);
        u32 reg;
 
-       /* use *_related to avoid spinlock since caches are off */
        reg = readl_relaxed(reset);
-       reg |= 0x04;
+       reg |= 0x10;
        writel_relaxed(reg, reset);
 }