diff --git a/arch/arm/include/asm/arch-tegra124/clock.h b/arch/arm/include/asm/arch-tegra124/clock.h index e202cc5a7f469a2d6533d8851032c0544c620886..ff99b9dfafdab582bcc24499a33363002a91026b 100644 --- a/arch/arm/include/asm/arch-tegra124/clock.h +++ b/arch/arm/include/asm/arch-tegra124/clock.h @@ -16,6 +16,9 @@ #define OSC_FREQ_SHIFT 28 #define OSC_FREQ_MASK (0xF << OSC_FREQ_SHIFT) +/* CLK_RST_CONTROLLER_PLLC_MISC_0 */ +#define PLLC_IDDQ (1 << 26) + /* CLK_RST_CONTROLLER_CLK_SOURCE_SOR0_0 */ #define SOR0_CLK_SEL0 (1 << 14) #define SOR0_CLK_SEL1 (1 << 15) diff --git a/arch/arm/mach-tegra/tegra124/clock.c b/arch/arm/mach-tegra/tegra124/clock.c index aa046e8950f7e9a16af42f6ba667c45543a69b41..1e71146236e9d3dd52052248ef9751f6c7aaa686 100644 --- a/arch/arm/mach-tegra/tegra124/clock.c +++ b/arch/arm/mach-tegra/tegra124/clock.c @@ -809,6 +809,11 @@ 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