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authorPeter De Schrijver <pdeschrijver@nvidia.com>2012-04-23 12:31:49 +0400
committerStephen Warren <swarren@nvidia.com>2012-04-26 01:22:01 +0400
commit6437626928467e81aa4a3087d88cd3f443b3e9ec (patch)
tree84d9d899acb8241bc359df15eb2ed65e72523b5f /arch/arm/mach-tegra/common.c
parent8703612b0abb33e6daacc0f6b709a006ac85b285 (diff)
downloadlinux-6437626928467e81aa4a3087d88cd3f443b3e9ec.tar.xz
ARM: tegra: Initialize pll_p_out1
pll_a uses pll_p_out1 as its parent. Therefore this clock needs to be initialized to make sure pll_a has a known input clock. Failure to do so will cause the system to crash early in the bootup. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/common.c')
-rw-r--r--arch/arm/mach-tegra/common.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 22df10fb9972..1f762333937e 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -93,6 +93,17 @@ static __initdata struct tegra_clk_init_table tegra20_clk_init_table[] = {
};
#endif
+#ifdef CONFIG_ARCH_TEGRA_3x_SOC
+static __initdata struct tegra_clk_init_table tegra30_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "clk_m", NULL, 0, true },
+ { "pll_p", "clk_m", 408000000, true },
+ { "pll_p_out1", "pll_p", 9600000, true },
+ { NULL, NULL, 0, 0},
+};
+#endif
+
+
static void __init tegra_init_cache(u32 tag_latency, u32 data_latency)
{
#ifdef CONFIG_CACHE_L2X0
@@ -127,6 +138,7 @@ void __init tegra30_init_early(void)
{
tegra_init_fuse();
tegra30_init_clocks();
+ tegra_clk_init_from_table(tegra30_clk_init_table);
tegra_init_cache(0x441, 0x551);
tegra_pmc_init();
tegra_powergate_init();