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authorAnatolij Gustschin <agust@denx.de>2010-04-24 19:27:10 +0200
committerWolfgang Denk <wd@denx.de>2010-04-24 22:56:39 +0200
commit2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713 (patch)
treef6ae7ea3d146b5269e7b72f6438b0b4fc6b7e4f4 /arch/powerpc/cpu/mpc512x
parenta3921eefa1440d23f22751704cd7df999769f169 (diff)
downloadu-boot-linaro-stable-2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713.tar.gz
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')
-rw-r--r--arch/powerpc/cpu/mpc512x/Makefile1
-rw-r--r--arch/powerpc/cpu/mpc512x/common.c25
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc512x/Makefile b/arch/powerpc/cpu/mpc512x/Makefile
index 1719c66e8..9cfdb0f35 100644
--- a/arch/powerpc/cpu/mpc512x/Makefile
+++ b/arch/powerpc/cpu/mpc512x/Makefile
@@ -29,6 +29,7 @@ LIB = $(obj)lib$(CPU).a
START = start.o
COBJS-y := cpu.o
COBJS-y += traps.o
+COBJS-y += common.o
COBJS-y += cpu_init.o
COBJS-y += fixed_sdram.o
COBJS-y += i2c.o
diff --git a/arch/powerpc/cpu/mpc512x/common.c b/arch/powerpc/cpu/mpc512x/common.c
new file mode 100644
index 000000000..180d323cf
--- /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 */