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Blackfin: add os log functions

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Part of the mini Blackfin ABI with operating systems is that they can use
0x4f0-0x4f8 to pass log buffers to/from bootloaders.  So add support to
U-Boot for reading the log buffer.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2009-07-09 01:15:05 -04:00
parent d39041fcad
commit 909878fd3f
4 changed files with 40 additions and 1 deletions
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3
include/asm-blackfin/blackfin_local.h
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@@ -61,6 +61,9 @@ extern u_long get_sclk(void);
# define bfin_revid() (*pCHIPID >> 28)
extern bool bfin_os_log_check(void);
extern void bfin_os_log_dump(void);
extern void blackfin_icache_flush_range(const void *, const void *);
extern void blackfin_dcache_flush_range(const void *, const void *);
extern void blackfin_icache_dcache_flush_range(const void *, const void *);