hwinit: FIx CPU/GPU on warmboot reboot from Linux

Thanks @Stary2001 for all the testing!
This commit is contained in:
CTCaer 2019-09-01 03:55:43 +03:00
parent 02826dd9a6
commit 8045d7992b
4 changed files with 20 additions and 4 deletions

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@ -71,6 +71,8 @@
/* MAX77621_VOUT */
#define MAX77621_VOUT_ENABLE (1 << 7)
#define MAX77621_VOUT_MASK 0x7F
#define MAX77621_VOUT_0_95V 0x37
#define MAX77621_VOUT_1_09V 0x4F
/* MAX77621_VOUT_DVC_DVS */
#define MAX77621_DVS_VOUT_MASK 0x7F

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@ -32,12 +32,12 @@ void _cluster_enable_power()
// Enable cores power.
// 1-3.x: MAX77621_NFSR_ENABLE.
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL1_REG,
MAX77621_AD_ENABLE | MAX77621_NFSR_ENABLE | MAX77621_SNS_ENABLE);
MAX77621_AD_ENABLE | MAX77621_NFSR_ENABLE | MAX77621_SNS_ENABLE | MAX77621_RAMP_12mV_PER_US);
// 1.0.0-3.x: MAX77621_T_JUNCTION_120 | MAX77621_CKKADV_TRIP_DISABLE | MAX77621_INDUCTOR_NOMINAL.
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL2_REG,
MAX77621_T_JUNCTION_120 | MAX77621_WDTMR_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US| MAX77621_INDUCTOR_NOMINAL);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_ENABLE | 0x37);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | 0x37);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_950MV);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_950MV);
}
int _cluster_pmc_enable_partition(u32 part, u32 toggle, bool enable)

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@ -237,10 +237,22 @@ void config_hw()
max77620_regulator_set_voltage(REGULATOR_SD0, 1125000);
// Fix GPU after warmboot for Linux.
// Fix CPU/GPU after a Linux warmboot.
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO5, 2);
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_GPIO6, 2);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_950MV); // Disable power.
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
i2c_send_byte(I2C_5, MAX77621_CPU_I2C_ADDR, MAX77621_CONTROL2_REG,
MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS | MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_REG, MAX77621_VOUT_950MV); // Disable power.
i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_VOUT_DVC_REG, MAX77621_VOUT_ENABLE | MAX77621_VOUT_1_09V); // Enable DVS power.
i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL1_REG, MAX77621_RAMP_50mV_PER_US);
i2c_send_byte(I2C_5, MAX77621_GPU_I2C_ADDR, MAX77621_CONTROL2_REG,
MAX77621_T_JUNCTION_120 | MAX77621_FT_ENABLE | MAX77621_CKKADV_TRIP_75mV_PER_US_HIST_DIS | MAX77621_CKKADV_TRIP_150mV_PER_US | MAX77621_INDUCTOR_NOMINAL);
// Disable low battery shutdown monitor.
max77620_low_battery_monitor_config();

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@ -71,6 +71,8 @@
/* MAX77621_VOUT */
#define MAX77621_VOUT_ENABLE (1 << 7)
#define MAX77621_VOUT_MASK 0x7F
#define MAX77621_VOUT_0_95V 0x37
#define MAX77621_VOUT_1_09V 0x4F
/* MAX77621_VOUT_DVC_DVS */
#define MAX77621_DVS_VOUT_MASK 0x7F