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-rw-r--r--arch/arm/include/asm/arch-tegra114/clock.h3
-rw-r--r--arch/arm/mach-tegra/tegra114/clock.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra114/clock.h b/arch/arm/include/asm/arch-tegra114/clock.h
index abbefcd0e4..9bee397787 100644
--- a/arch/arm/include/asm/arch-tegra114/clock.h
+++ b/arch/arm/include/asm/arch-tegra114/clock.h
@@ -25,4 +25,7 @@
#define OSC_FREQ_SHIFT 28
#define OSC_FREQ_MASK (0xF << OSC_FREQ_SHIFT)
+/* CLK_RST_CONTROLLER_PLLC_MISC_0 */
+#define PLLC_IDDQ (1 << 26)
+
#endif /* _TEGRA114_CLOCK_H_ */
diff --git a/arch/arm/mach-tegra/tegra114/clock.c b/arch/arm/mach-tegra/tegra114/clock.c
index cec843b27d..e6ef873c8d 100644
--- a/arch/arm/mach-tegra/tegra114/clock.c
+++ b/arch/arm/mach-tegra/tegra114/clock.c
@@ -629,6 +629,11 @@ void clock_early_init(void)
tegra30_set_up_pllp();
+ /* clear IDDQ before accessing any other PLLC registers */
+ pllinfo = &tegra_pll_info_table[CLOCK_ID_CGENERAL];
+ clrbits_le32(&clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc, PLLC_IDDQ);
+ udelay(2);
+
/*
* PLLC output frequency set to 600Mhz
* PLLD output frequency set to 925Mhz
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