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[ARM] 5412/1: XSCALE: add ice dcc support

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SCALE: add ice dcc support

Tested on the ixp425 with the ice PEEDI

Ack-by: Eric Miao <eric.miao@marvell.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Jean-Christop PLAGNIOL-VILLARD
2009-02-25 04:20:40 +01:00
committed by Russell King
parent 22b61a11fd
commit c633c3cfcf
4 changed files with 49 additions and 1 deletions
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27
arch/arm/kernel/debug.S
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@@ -49,6 +49,33 @@
1002:
.endm
#elif defined(CONFIG_CPU_XSCALE)
.macro addruart, rx
.endm
.macro senduart, rd, rx
mcr p14, 0, \rd, c8, c0, 0
.endm
.macro busyuart, rd, rx
1001:
mrc p14, 0, \rx, c14, c0, 0
tst \rx, #0x10000000
beq 1001b
.endm
.macro waituart, rd, rx
mov \rd, #0x10000000
1001:
subs \rd, \rd, #1
bmi 1002f
mrc p14, 0, \rx, c14, c0, 0
tst \rx, #0x10000000
bne 1001b
1002:
.endm
#else
.macro addruart, rx