Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-03-16 23:07:00 +00:00
Code Issues Projects Releases Packages Wiki Activity

mx23: Put back RAM voltage level to its original value

Browse source 
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>
This commit is contained in:
Fabio Estevam 2013-04-26 06:01:26 +00:00 • committed by Stefano Babic
parent 547e31d2f4
commit cdc203682f
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
View file

@ -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);
}