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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-30 23:55:03 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-30 23:55:03 -0400 |
| commit | e993835441734c184d70d3716eed78a08eeb71c2 (patch) | |
| tree | 583aa17813cdae1c4640e353f8c6df3f197e7548 /arch/arm/boot/compressed/misc.c | |
| parent | 360f654e7cda850034f3f6252a7a7cff3fa77356 (diff) | |
| parent | 1bdfd554be94def718323659173517c5d4a69d25 (diff) | |
| download | op-kernel-dev-e993835441734c184d70d3716eed78a08eeb71c2.zip op-kernel-dev-e993835441734c184d70d3716eed78a08eeb71c2.tar.gz | |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/arm/boot/compressed/misc.c')
| -rw-r--r-- | arch/arm/boot/compressed/misc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index ace3fb58..283891c 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -30,6 +30,25 @@ static void putstr(const char *ptr); #include <asm/arch/uncompress.h> #ifdef CONFIG_DEBUG_ICEDCC + +#ifdef CONFIG_CPU_V6 + +static void icedcc_putc(int ch) +{ + int status, i = 0x4000000; + + do { + if (--i < 0) + return; + + asm volatile ("mrc p14, 0, %0, c0, c1, 0" : "=r" (status)); + } while (status & (1 << 29)); + + asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); +} + +#else + static void icedcc_putc(int ch) { int status, i = 0x4000000; @@ -44,6 +63,8 @@ static void icedcc_putc(int ch) asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch)); } +#endif + #define putc(ch) icedcc_putc(ch) #define flush() do { } while (0) #endif |
