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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>
Peter De Schrijver 13 years ago
parent
commit
6437626928
1 changed files with 12 additions and 0 deletions
  1. 12 0
      arch/arm/mach-tegra/common.c

+ 12 - 0
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();