From 534dbd12197e2f40aeb29814686daf39a75d1eae Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut@gmail.com>
Date: Mon, 30 Jan 2012 14:00:01 +0000
Subject: [PATCH] i.MX28: Fix VDDIO and VDDA setup
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The DC power STS shouldn't be checked if booting off 5V supply.
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 | 16 ++++++++++++----
1 file changed, 12 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 380b120dc9..271da8dd76 100644
--- a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c
+++ b/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c
@@ -726,7 +726,9 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
clrsetbits_le32(&power_regs->hw_power_vddioctrl,
POWER_VDDIOCTRL_TRG_MASK, diff);
- if (powered_by_linreg)
+ if (powered_by_linreg ||
+ (readl(&power_regs->hw_power_sts) &
+ POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
@@ -761,7 +763,9 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout)
clrsetbits_le32(&power_regs->hw_power_vddioctrl,
POWER_VDDIOCTRL_TRG_MASK, diff);
- if (powered_by_linreg)
+ if (powered_by_linreg ||
+ (readl(&power_regs->hw_power_sts) &
+ POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
@@ -819,7 +823,9 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_TRG_MASK, diff);
- if (powered_by_linreg)
+ if (powered_by_linreg ||
+ (readl(&power_regs->hw_power_sts) &
+ POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
@@ -854,7 +860,9 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_TRG_MASK, diff);
- if (powered_by_linreg)
+ if (powered_by_linreg ||
+ (readl(&power_regs->hw_power_sts) &
+ POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
--
2.39.5