From 2ebdb9a9d7abcb17fdbfdc4bbb71b4ef538fc713 Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin Date: Sat, 24 Apr 2010 19:27:10 +0200 Subject: [PATCH] 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 --- arch/powerpc/cpu/mpc512x/Makefile | 1 + arch/powerpc/cpu/mpc512x/common.c | 25 +++++++++++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 arch/powerpc/cpu/mpc512x/common.c 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 +#include + +#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 */ -- 2.30.2