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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-04-26 06:01:26 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-04-28 11:06:27 +0200 |
| commit | cdc203682fcfcc53486cc68edbcf14e33b13ed27 (patch) | |
| tree | 105128befe73d46bff6448e2b52188ba0b8aa568 /arch/arm/cpu/arm926ejs | |
| parent | 547e31d2f4b777ff5647691c4d5e8197cb55149b (diff) | |
| download | u-boot-imx-cdc203682fcfcc53486cc68edbcf14e33b13ed27.zip u-boot-imx-cdc203682fcfcc53486cc68edbcf14e33b13ed27.tar.gz u-boot-imx-cdc203682fcfcc53486cc68edbcf14e33b13ed27.tar.bz2 | |
mx23: Put back RAM voltage level to its original value
commit 5c2f444c9 (mxs: Reset the EMI block on mx23) changed the DDR voltage
level, which causes mx23evk to fail to load a kernel.
Put back the original values, so that mx23evk can boot a kernel again.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Robert Nelson <robertcnelson@gmail.com>
Diffstat (limited to 'arch/arm/cpu/arm926ejs')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index bc2d69c..4950490 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -234,7 +234,7 @@ static void mx23_mem_setup_vddmem(void) struct mxs_power_regs *power_regs = (struct mxs_power_regs *)MXS_POWER_BASE; - writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) | + writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) | POWER_VDDMEMCTRL_ENABLE_ILIMIT | POWER_VDDMEMCTRL_ENABLE_LINREG | POWER_VDDMEMCTRL_PULLDOWN_ACTIVE, @@ -242,7 +242,7 @@ static void mx23_mem_setup_vddmem(void) early_delay(10000); - writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) | + writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) | POWER_VDDMEMCTRL_ENABLE_LINREG, &power_regs->hw_power_vddmemctrl); } |