diff options
| author | Marek Vasut <[email protected]> | 2012-01-30 14:05:39 +0000 |
|---|---|---|
| committer | Stefano Babic <[email protected]> | 2012-03-27 09:41:16 +0200 |
| commit | a89300338a0d0c43ff21c50d793782c310c882ee (patch) | |
| tree | 9fdc69a18a21e00036054ea2eaa51d337c9d5354 | |
| parent | a22429d2bfaa16588635a02958ebcd06114dd697 (diff) | |
i.MX28: Make the stabilization delays shorter
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 <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Detlev Zundel <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Robert Deliën <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Matthias Fuchs <[email protected]>
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mx28/spl_power_init.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c b/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c index 271da8dd767..aa4117d3a23 100644 --- a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c @@ -729,7 +729,7 @@ 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)) @@ -766,7 +766,7 @@ 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)) @@ -826,7 +826,7 @@ 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)) @@ -863,7 +863,7 @@ 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)) |