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nios2: fix cached mode in clearing the BSS 

As the generic board runs in cached mode, it should not use
"stwio" which bypass the cache.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Chin Liang See <clsee@altera.com>
This commit is contained in:
Thomas Chou 2015-11-03 13:52:15 +08:00
parent 65af9f6971
commit 9208d7eba1
1 changed files with 1 additions and 1 deletions
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arch/nios2/cpu/start.S
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@ -158,7 +158,7 @@ relocate_code:
ori r6, r6, %lo(__bss_end)
beq r5, r6, 5f
4: stwio r0, 0(r5)
4: stw r0, 0(r5)
addi r5, r5, 4
bne r5, r6, 4b
5: