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mpc86xx: Add generic POST word read/write support 

The PIC's TFRR register doesn't affect hardware and is generally unused,
so use as storage for the POST word.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Peter Tyser 2010-10-22 00:20:32 -05:00 committed by Kumar Gala
parent 9d921f19b3
commit 65f23519d6
1 changed files with 4 additions and 0 deletions
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4
include/post.h
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@ -60,6 +60,10 @@
#include <asm/immap_85xx.h>
#define _POST_WORD_ADDR (CONFIG_SYS_IMMR + offsetof(ccsr_pic_t, tfrr))
#elif defined (CONFIG_MPC86xx)
#include <asm/immap_86xx.h>
#define _POST_WORD_ADDR (CONFIG_SYS_IMMR + offsetof(ccsr_pic_t, tfrr))
#elif defined (CONFIG_4xx)
#define _POST_WORD_ADDR \
(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)