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check poweron reason

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August 2018-12-12 12:16:24 +08:00
parent 1e159ba48e
commit 220a956c0d
1 changed files with 18 additions and 0 deletions
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18
lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/pmu_spl.c
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@ -54,6 +54,24 @@ static int axp_probe(void)
{
u8 pmu_type;
u8 acin_path;
u8 pmu_reason;
/* boot reason */
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_OTG_STATUS, &pmu_reason))
{
printf("axp read error\n");
return -1;
}
else
{
printf("pmu_reason = %x\n", pmu_reason);
pmu_reason &= 0xF8;
if(axp_i2c_write(AXP81X_ADDR, BOOT_POWER81X_OTG_STATUS, pmu_reason))
{
printf("axp write error\n");
return -1;
}
}
/* bpi, set VBUS current limit from 1500mA to 3500mA */
if(axp_i2c_read(AXP81X_ADDR, BOOT_POWER81X_ACIN_PATH, &acin_path))