diff --git a/arch/arm/boards/nvidia-beaver/entry.c b/arch/arm/boards/nvidia-beaver/entry.c index 25452a6a7..576fcb7a5 100644 --- a/arch/arm/boards/nvidia-beaver/entry.c +++ b/arch/arm/boards/nvidia-beaver/entry.c @@ -30,6 +30,7 @@ ENTRY_FUNCTION(start_nvidia_beaver, r0, r1, r2) tegra_cpu_lowlevel_setup(); tegra_dvc_init(); + tegra30_tps62366a_ramp_vddcore(); tegra30_tps65911_cpu_rail_enable(); fdt = (uint32_t)__dtb_tegra30_beaver_start - get_runtime_offset(); diff --git a/arch/arm/mach-tegra/include/mach/lowlevel-dvc.h b/arch/arm/mach-tegra/include/mach/lowlevel-dvc.h index f7f6328f6..32f10d783 100644 --- a/arch/arm/mach-tegra/include/mach/lowlevel-dvc.h +++ b/arch/arm/mach-tegra/include/mach/lowlevel-dvc.h @@ -70,3 +70,21 @@ void tegra30_tps65911_cpu_rail_enable(void) tegra_dvc_write_data(0x0127, TEGRA_I2C_SEND_2_BYTES); tegra_ll_delay_usec(10 * 1000); } + +static inline __attribute__((always_inline)) +void tegra30_tps62366a_ramp_vddcore(void) +{ + tegra_dvc_write_addr(0xc0, 2); + /* set VDDcore to 1,2V */ + tegra_dvc_write_data(0x4601, TEGRA_I2C_SEND_2_BYTES); + tegra_ll_delay_usec(1000); +} + +static inline __attribute__((always_inline)) +void tegra30_tps62361b_ramp_vddcore(void) +{ + tegra_dvc_write_addr(0xc0, 2); + /* set VDDcore to 1,2V */ + tegra_dvc_write_data(0x4603, TEGRA_I2C_SEND_2_BYTES); + tegra_ll_delay_usec(1000); +}