| Message ID | 1358816223-3683-1-git-send-email-marex@denx.de |
|---|---|
| State | Awaiting Upstream |
| Delegated to: | Stefano Babic |
| Headers | show |
On Mon, Jan 21, 2013 at 10:57 PM, Marek Vasut <marex@denx.de> wrote: > 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> -- Otavio Salvador O.S. Systems E-mail: otavio@ossystems.com.br http://www.ossystems.com.br Mobile: +55 53 9981-7854 http://projetos.ossystems.com.br
On 22/01/2013 01:57, Marek Vasut wrote: > 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> > --- > arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 4 ++-- > board/olimex/mx23_olinuxino/spl_boot.c | 2 +- > 2 files changed, 3 insertions(+), 3 deletions(-) > > V2: Base this on top of u-boot-imx/master > Applied to u-boot-imx, thanks. Best regards, Stefano Babic
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); } diff --git a/board/olimex/mx23_olinuxino/spl_boot.c b/board/olimex/mx23_olinuxino/spl_boot.c index aaebe6c..6cf669f 100644 --- a/board/olimex/mx23_olinuxino/spl_boot.c +++ b/board/olimex/mx23_olinuxino/spl_boot.c @@ -29,7 +29,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/sys_proto.h> -#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL) +#define MUX_CONFIG_EMI (MXS_PAD_3V3 | MXS_PAD_16MA | MXS_PAD_PULLUP) const iomux_cfg_t iomux_setup[] = { /* DUART */
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> --- arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 4 ++-- board/olimex/mx23_olinuxino/spl_boot.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) V2: Base this on top of u-boot-imx/master