diff --git a/arch/arm/include/asm/arch-tegra114/clock.h b/arch/arm/include/asm/arch-tegra114/clock.h index abbefcd..9bee397 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 cec843b..e6ef873 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