diff options
Diffstat (limited to 'arch/arm/cpu/arm720t/tegra30/cpu.c')
| -rw-r--r-- | arch/arm/cpu/arm720t/tegra30/cpu.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/cpu/arm720t/tegra30/cpu.c b/arch/arm/cpu/arm720t/tegra30/cpu.c index a80648389..9003902e3 100644 --- a/arch/arm/cpu/arm720t/tegra30/cpu.c +++ b/arch/arm/cpu/arm720t/tegra30/cpu.c @@ -41,10 +41,18 @@ void tegra_i2c_ll_write_data(uint data, uint config) writel(config, ®->cnfg); } +#define TPS62366A_I2C_ADDR 0xC0 +#define TPS62366A_SET1_REG 0x01 +#define TPS62366A_SET1_DATA (0x4600 | TPS62366A_SET1_REG) + +#define TPS62361B_I2C_ADDR 0xC0 +#define TPS62361B_SET3_REG 0x03 +#define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG) + #define TPS65911_I2C_ADDR 0x5A #define TPS65911_VDDCTRL_OP_REG 0x28 #define TPS65911_VDDCTRL_SR_REG 0x27 -#define TPS65911_VDDCTRL_OP_DATA (0x2300 | TPS65911_VDDCTRL_OP_REG) +#define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG) #define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG) #define I2C_SEND_2_BYTES 0x0A02 @@ -58,9 +66,20 @@ static void enable_cpu_power_rail(void) reg |= CPUPWRREQ_OE; writel(reg, &pmc->pmc_cntrl); + /* Set VDD_CORE to 1.200V. */ +#ifdef CONFIG_TEGRA_VDD_CORE_TPS62366A_SET1 + tegra_i2c_ll_write_addr(TPS62366A_I2C_ADDR, 2); + tegra_i2c_ll_write_data(TPS62366A_SET1_DATA, I2C_SEND_2_BYTES); +#endif +#ifdef CONFIG_TEGRA_VDD_CORE_TPS62361B_SET3 + tegra_i2c_ll_write_addr(TPS62361B_I2C_ADDR, 2); + tegra_i2c_ll_write_data(TPS62361B_SET3_DATA, I2C_SEND_2_BYTES); +#endif + udelay(1000); + /* * Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus. - * First set VDD to 1.4V, then enable the VDD regulator. + * First set VDD to 1.0125V, then enable the VDD regulator. */ tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2); tegra_i2c_ll_write_data(TPS65911_VDDCTRL_OP_DATA, I2C_SEND_2_BYTES); |