diff options
author | Jean-Christop PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-02-24 22:20:40 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-02-27 15:57:46 -0500 |
commit | c633c3cfcf41efe720020553aa3d4782fa0b9bd5 (patch) | |
tree | b7de4fc54682dcbf1c89ca8374a55ce3851be685 /arch/arm/boot/compressed/misc.c | |
parent | 22b61a11fd4e6d7a48d694ce350331bebc0394ed (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/boot/compressed/misc.c')
-rw-r--r-- | arch/arm/boot/compressed/misc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 3fc08413fff0..393c81641314 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c | |||
@@ -46,6 +46,21 @@ static void icedcc_putc(int ch) | |||
46 | 46 | ||
47 | asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); | 47 | asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); |
48 | } | 48 | } |
49 | #elif defined(CONFIG_CPU_XSCALE) | ||
50 | |||
51 | static void icedcc_putc(int ch) | ||
52 | { | ||
53 | int status, i = 0x4000000; | ||
54 | |||
55 | do { | ||
56 | if (--i < 0) | ||
57 | return; | ||
58 | |||
59 | asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status)); | ||
60 | } while (status & (1 << 28)); | ||
61 | |||
62 | asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch)); | ||
63 | } | ||
49 | 64 | ||
50 | #else | 65 | #else |
51 | 66 | ||