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| author | Jean-Christop PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-02-25 04:20:40 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-27 21:57:46 +0100 |
| commit | c633c3cfcf41efe720020553aa3d4782fa0b9bd5 (patch) | |
| tree | b7de4fc54682dcbf1c89ca8374a55ce3851be685 /arch/arm/kernel/debug.S | |
| parent | Merge branch 'dma' into devel (diff) | |
| download | linux-c633c3cfcf41efe720020553aa3d4782fa0b9bd5.tar.xz linux-c633c3cfcf41efe720020553aa3d4782fa0b9bd5.zip | |
[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/debug.S')
| -rw-r--r-- | arch/arm/kernel/debug.S | 27 |
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 |