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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 <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>
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1 changed files with 4 additions and 4 deletions
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@ -729,7 +729,7 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
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if (powered_by_linreg ||
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(readl(&power_regs->hw_power_sts) &
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POWER_STS_VDD5V_GT_VDDIO))
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early_delay(1500);
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early_delay(500);
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else {
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while (!(readl(&power_regs->hw_power_sts) &
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POWER_STS_DC_OK))
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@ -766,7 +766,7 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
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if (powered_by_linreg ||
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(readl(&power_regs->hw_power_sts) &
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POWER_STS_VDD5V_GT_VDDIO))
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early_delay(1500);
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early_delay(500);
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else {
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while (!(readl(&power_regs->hw_power_sts) &
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POWER_STS_DC_OK))
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@ -826,7 +826,7 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
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if (powered_by_linreg ||
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(readl(&power_regs->hw_power_sts) &
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POWER_STS_VDD5V_GT_VDDIO))
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early_delay(1500);
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early_delay(500);
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else {
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while (!(readl(&power_regs->hw_power_sts) &
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POWER_STS_DC_OK))
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@ -863,7 +863,7 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
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if (powered_by_linreg ||
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(readl(&power_regs->hw_power_sts) &
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POWER_STS_VDD5V_GT_VDDIO))
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early_delay(1500);
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early_delay(500);
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else {
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while (!(readl(&power_regs->hw_power_sts) &
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POWER_STS_DC_OK))
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