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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-03-28 10:34:05 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-03-28 10:34:05 +0100
commitde4533a04eb4f66dbef71f59a9c118256b886823 (patch)
tree8b8681da4294bf7be9d1cde44bfbf303843ba359 /arch/arm/boot/compressed
parenta081568d7016061ed848696984e3acf1ba0b3054 (diff)
[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')
-rw-r--r--arch/arm/boot/compressed/Makefile4
-rw-r--r--arch/arm/boot/compressed/ice-dcc.S17
-rw-r--r--arch/arm/boot/compressed/misc.c15
3 files changed, 14 insertions, 22 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 35ffe0f4ece..2adc1527e0e 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -50,10 +50,6 @@ ifeq ($(CONFIG_ARCH_AT91RM9200),y)
OBJS += head-at91rm9200.o
endif
-ifeq ($(CONFIG_DEBUG_ICEDCC),y)
-OBJS += ice-dcc.o
-endif
-
ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
OBJS += big-endian.o
endif
diff --git a/arch/arm/boot/compressed/ice-dcc.S b/arch/arm/boot/compressed/ice-dcc.S
deleted file mode 100644
index 104377a199b..00000000000
--- a/arch/arm/boot/compressed/ice-dcc.S
+++ /dev/null
@@ -1,17 +0,0 @@
-
-
- .text
-
- .global icedcc_putc
-
-icedcc_putc:
- mov r2, #0x4000000
-1:
- subs r2, r2, #1
- movlt pc, r14
- mrc p14, 0, r1, c0, c0, 0
- tst r1, #2
- bne 1b
-
- mcr p14, 0, r0, c1, c0, 0
- mov pc, r14
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 28626ec2d28..0af3772efcb 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