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Code Issues Releases Activity

hwinit: Disable SD Card power on boot

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Fixes issues with warmboot based reboots.
This commit is contained in:
CTCaer 2020-03-21 22:13:18 +02:00
parent 52874f9113
commit 3405910f4c
1 changed files with 8 additions and 0 deletions
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8
bootloader/soc/hw_init.c
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@ -186,6 +186,9 @@ void _mbist_workaround()
void _config_se_brom() void _config_se_brom()
{ {
// Enable fuse clock.
clock_enable_fuse(true);
// Skip SBK/SSK if sept was run. // Skip SBK/SSK if sept was run.
if (!(b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN)) if (!(b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN))
{ {
@ -219,6 +222,11 @@ void _config_se_brom()
void _config_regulators() void _config_regulators()
{ {
// Disable SDMMC1 IO power.
gpio_output_enable(GPIO_PORT_E, GPIO_PIN_4, GPIO_OUTPUT_DISABLE);
max77620_regulator_enable(REGULATOR_LDO2, 0);
sd_power_cycle_time_start = get_tmr_ms();
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_CNFGBBC, MAX77620_CNFGBBC_RESISTOR_1K); i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_CNFGBBC, MAX77620_CNFGBBC_RESISTOR_1K);
i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFCNFG1, i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_ONOFFCNFG1,
(1 << 6) | (3 << MAX77620_ONOFFCNFG1_MRT_SHIFT)); // PWR delay for forced shutdown off. (1 << 6) | (3 << MAX77620_ONOFFCNFG1_MRT_SHIFT)); // PWR delay for forced shutdown off.