@@ -805,7 +805,7 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
- early_delay(1500);
+ early_delay(500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
@@ -842,7 +842,7 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
- early_delay(1500);
+ early_delay(500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
@@ -902,7 +902,7 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
- early_delay(1500);
+ early_delay(500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
@@ -939,7 +939,7 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
- early_delay(1500);
+ early_delay(500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
Cut down the VDDIO/VDDA regulator stabilization delays to 500 uS. That should be enough according to the datasheet and bootlets. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Detlev Zundel <dzu@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Robert Deliën <robert@delien.nl> Cc: Fabio Estevam <festevam@gmail.com> Cc: Matthias Fuchs <matthias.fuchs@esd.eu> --- arch/arm/cpu/arm926ejs/mx28/spl_power_init.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)