commit 26008c38074e5a9c7afc4924d811c292aee63a3f
author Marek Vasut <marek.vasut@gmail.com> Mon Jan 30 14:05:39 2012 +0000
committer Stefano Babic <sbabic@denx.de> Tue Mar 27 09:41:16 2012 +0200
tree 9fdc69a18a21e00036054ea2eaa51d337c9d5354
parent d38fb7eb75cd99e38780fd43469d78cde5e3e171

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>

arch/arm/cpu/arm926ejs/mx28/spl_power_init.c

diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c b/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c
index 271da8d..aa4117d 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 @@
 			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 @@
 			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 @@
 			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 @@
 			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))