From cee64386de621e42c3d25062272a2047dc782f7e Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Tue, 28 Mar 2006 10:34:05 +0100
Subject: [PATCH] --- yaml --- r: 24534 b: refs/heads/master c:
 de4533a04eb4f66dbef71f59a9c118256b886823 h: refs/heads/master v: v3

---
 [refs]                                   |  2 +-
 trunk/arch/arm/boot/compressed/Makefile  |  4 ----
 trunk/arch/arm/boot/compressed/ice-dcc.S | 17 -----------------
 trunk/arch/arm/boot/compressed/misc.c    | 15 ++++++++++++++-
 4 files changed, 15 insertions(+), 23 deletions(-)
 delete mode 100644 trunk/arch/arm/boot/compressed/ice-dcc.S

diff --git a/[refs] b/[refs]
index a2ef9fb7efa3..114c89217f8b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a081568d7016061ed848696984e3acf1ba0b3054
+refs/heads/master: de4533a04eb4f66dbef71f59a9c118256b886823
diff --git a/trunk/arch/arm/boot/compressed/Makefile b/trunk/arch/arm/boot/compressed/Makefile
index 35ffe0f4ece7..2adc1527e0eb 100644
--- a/trunk/arch/arm/boot/compressed/Makefile
+++ b/trunk/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/trunk/arch/arm/boot/compressed/ice-dcc.S b/trunk/arch/arm/boot/compressed/ice-dcc.S
deleted file mode 100644
index 104377a199bb..000000000000
--- a/trunk/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/trunk/arch/arm/boot/compressed/misc.c b/trunk/arch/arm/boot/compressed/misc.c
index 28626ec2d289..0af3772efcb7 100644
--- a/trunk/arch/arm/boot/compressed/misc.c
+++ b/trunk/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