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| author | Anatolij Gustschin <agust@denx.de> | 2010-04-24 19:27:10 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-24 22:56:39 +0200 |
| commit | 2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713 (patch) | |
| tree | f6ae7ea3d146b5269e7b72f6438b0b4fc6b7e4f4 /arch/powerpc/cpu/mpc512x/common.c | |
| parent | a3921eefa1440d23f22751704cd7df999769f169 (diff) | |
| download | u-boot-imx-2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713.zip u-boot-imx-2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713.tar.gz u-boot-imx-2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713.tar.bz2 | |
mpc5121: add common post_word_load/store code
Add common post_word_load/post_word_store routines
for all mpc5121 boards. pdm360ng board POST support
added by subsequent patch needs them.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'arch/powerpc/cpu/mpc512x/common.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc512x/common.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc512x/common.c b/arch/powerpc/cpu/mpc512x/common.c new file mode 100644 index 0000000..180d323 --- /dev/null +++ b/arch/powerpc/cpu/mpc512x/common.c @@ -0,0 +1,25 @@ +#include <common.h> +#include <asm/io.h> + +#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) + +#if defined(CONFIG_SYS_POST_WORD_ADDR) +# define _POST_ADDR (CONFIG_SYS_POST_WORD_ADDR) +#else +#error echo "No POST word address defined" +#endif + +void post_word_store(ulong a) +{ + volatile void *save_addr = (volatile void *)(_POST_ADDR); + + out_be32(save_addr, a); +} + +ulong post_word_load(void) +{ + volatile void *save_addr = (volatile void *)(_POST_ADDR); + + return in_be32(save_addr); +} +#endif /* CONFIG_POST || CONFIG_LOGBUFFER */ |