From 534dbd12197e2f40aeb29814686daf39a75d1eae Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Mon, 30 Jan 2012 14:00:01 +0000 Subject: [PATCH 1/1] i.MX28: Fix VDDIO and VDDA setup MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The DC power STS shouldn't be checked if booting off 5V supply. Signed-off-by: Marek Vasut Cc: Wolfgang Denk Cc: Detlev Zundel Cc: Stefano Babic Cc: Robert Deliën Cc: Fabio Estevam Cc: Matthias Fuchs --- 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) & -- 2.39.2