[U-Boot] [PATCH 3/4] microblaze: Disable all cpu features before reset
Michal Simek
michal.simek at xilinx.com
Mon Apr 22 16:41:02 CEST 2013
From: Michal Simek <monstr at monstr.eu>
Fix microblaze soft reset function and disable
all cpu features. Especially disable caches because
IRQs were off by disable_interrupts().
Reported-by: John Williams <john.williams at xilinx.com>
Signed-off-by: Michal Simek <monstr at monstr.eu>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
board/xilinx/microblaze-generic/microblaze-generic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 8ba99f9..1af0b86 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -40,7 +40,8 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#endif
puts ("Reseting board\n");
- asm ("bra r0");
+ __asm__ __volatile__ (" mts rmsr, r0;" \
+ "bra r0");
return 0;
}
--
1.8.2.1
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