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| author | Marek Vasut <marex@denx.de> | 2013-01-21 14:57:03 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-01-28 06:40:38 +0100 |
| commit | 8303ed128a55519f19c5f11087032d4bc4e0537a (patch) | |
| tree | 912071001d65dba16e44616e20a8a8818bfdac26 /arch | |
| parent | 71a988aa630f013b8425789351971dc4e202593d (diff) | |
| download | u-boot-imx-8303ed128a55519f19c5f11087032d4bc4e0537a.zip u-boot-imx-8303ed128a55519f19c5f11087032d4bc4e0537a.tar.gz u-boot-imx-8303ed128a55519f19c5f11087032d4bc4e0537a.tar.bz2 | |
mxs: Boost the memory power supply
The memory power supply on MX23 didn't pump out enough juice into
the DRAM chip, thus caused occasional memory corruption. Fix this.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'arch')
| -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 5944dd2..836e636 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -230,7 +230,7 @@ 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, @@ -238,7 +238,7 @@ 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); } |