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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-03-28 11:34:05 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-03-28 11:34:05 +0200 |
| commit | de4533a04eb4f66dbef71f59a9c118256b886823 (patch) | |
| tree | 8b8681da4294bf7be9d1cde44bfbf303843ba359 /arch/arm/boot/compressed/misc.c | |
| parent | [ARM] Fix decompressor serial IO to give CRLF not LFCR (diff) | |
| download | linux-de4533a04eb4f66dbef71f59a9c118256b886823.tar.xz linux-de4533a04eb4f66dbef71f59a9c118256b886823.zip | |
[ARM] Move ice-dcc code into misc.c
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, 14 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 28626ec2d289..0af3772efcb7 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -30,7 +30,20 @@ static void putstr(const char *ptr); #include <asm/arch/uncompress.h> #ifdef CONFIG_DEBUG_ICEDCC -extern void icedcc_putc(int ch); +static void icedcc_putc(int ch) +{ + int status, i = 0x4000000; + + do { + if (--i < 0) + return; + + asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status)); + } while (status & 2); + + asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch)); +} + #define putc(ch) icedcc_putc(ch) #define flush() do { } while (0) #endif |