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| author | Liu Ying <Ying.Liu@freescale.com> | 2011-01-25 11:52:57 +0800 |
|---|---|---|
| committer | Liu Ying <Ying.Liu@freescale.com> | 2011-01-25 11:54:03 +0800 |
| commit | e5f8360a5fa0d52548c205156a23dbf2a66969f7 (patch) | |
| tree | 9ffe92cd4ad65c061090a732732dc69d68e4d09e | |
| parent | 1990bcda9885bc84ccfb1041e50578c8e2d0e980 (diff) | |
| download | u-boot-imx-e5f8360a5fa0d52548c205156a23dbf2a66969f7.zip u-boot-imx-e5f8360a5fa0d52548c205156a23dbf2a66969f7.tar.gz u-boot-imx-e5f8360a5fa0d52548c205156a23dbf2a66969f7.tar.bz2 | |
ENGR00138468-1 MX5 video:Disable DP/DC/DI/IDMAC before go to kernel
This patch fixes the kernel bootup random hang issue by disabling
DP/DC/DI/IDMAC before we go to kernel. This is a workaround.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
| -rw-r--r-- | cpu/arm_cortexa8/cpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/cpu/arm_cortexa8/cpu.c b/cpu/arm_cortexa8/cpu.c index e4bd7cf..70590ee 100644 --- a/cpu/arm_cortexa8/cpu.c +++ b/cpu/arm_cortexa8/cpu.c @@ -33,6 +33,9 @@ #include <common.h> #include <command.h> +#ifdef CONFIG_VIDEO_MX5 +#include <ipu.h> +#endif #include <asm/system.h> #include <asm/cache.h> #include <asm/cache-cp15.h> @@ -131,6 +134,11 @@ int cleanup_before_linux(void) { unsigned int i; +#ifdef CONFIG_VIDEO_MX5 + ipu_disable_channel(MEM_BG_SYNC); + ipu_uninit_channel(MEM_BG_SYNC); +#endif + /* * this function is called just before we call linux * it prepares the processor for linux |