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authorJean-Christop PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>2009-02-25 04:20:40 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-02-27 20:57:46 +0000
commitc633c3cfcf41efe720020553aa3d4782fa0b9bd5 (patch)
treeb7de4fc54682dcbf1c89ca8374a55ce3851be685 /arch/arm/kernel
parent22b61a11fd4e6d7a48d694ce350331bebc0394ed (diff)
[ARM] 5412/1: XSCALE: add ice dcc support
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>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/debug.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index f53c58290543..b121b6053cce 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -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