[PATCH 1/2] ARM: tegra30: slow down CPU to 600 MHz

Lucas Stach dev at lynxeye.de
Wed May 7 13:05:29 PDT 2014


It's not safe to ramp up the CPU clock speed to
1,4 GHz on all T30 SKUs, as this may result in failure
to start the kernel properly. Start CPU at 600 MHz,
which is safe even for the slowest SKUs.

Signed-off-by: Lucas Stach <dev at lynxeye.de>
---
 arch/arm/mach-tegra/tegra_avp_init.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-tegra/tegra_avp_init.c b/arch/arm/mach-tegra/tegra_avp_init.c
index 1afea44..53e81d9 100644
--- a/arch/arm/mach-tegra/tegra_avp_init.c
+++ b/arch/arm/mach-tegra/tegra_avp_init.c
@@ -87,10 +87,10 @@ static struct pll_config pllx_config_table[][4] = {
 		{1000, 26, 0, 12},	/* OSC 26.0 MHz */
 	}, /* TEGRA 20 */
 	{
-		{862, 8,  0, 8},
-		{583, 8,  0, 4},
-		{700, 6,  0, 8},
-		{700, 13, 0, 8},
+		{600,  13, 0, 8 },
+		{500,  16, 0, 8 },
+		{600,  12, 0, 8 },
+		{600,  26, 0, 8 },
 	}, /* TEGRA 30 */
 };
 
-- 
1.9.0




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