From: Anatolij Gustschin <agust@denx.de>
Date: Sat, 24 Apr 2010 17:27:10 +0000 (+0200)
Subject: mpc5121: add common post_word_load/store code
X-Git-Tag: v2010.06-rc1~76^2~1
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713;p=u-boot

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>
---

diff --git a/arch/powerpc/cpu/mpc512x/Makefile b/arch/powerpc/cpu/mpc512x/Makefile
index 1719c66e8d..9cfdb0f35d 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 0000000000..180d323cf9
--- /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 */