3 files changed, 41 insertions, 6 deletions

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 2adc1527e0eb..adddc7131685 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -51,7 +51,11 @@ OBJS		+= head-at91rm9200.o
 endif
 
 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
+ifeq ($(CONFIG_CPU_CP15),y)
 OBJS            += big-endian.o
+else
+# The endian should be set by h/w design.
+endif
 endif
 
 #
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 14a9ff9c68df..e5ab51b9cceb 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -20,11 +20,21 @@
 #ifdef DEBUG
 
 #if defined(CONFIG_DEBUG_ICEDCC)
+
+#ifdef CONFIG_CPU_V6
+                .macro  loadsp, rb
+                .endm
+                .macro  writeb, ch, rb
+                mcr     p14, 0, \ch, c0, c5, 0
+                .endm
+#else
                 .macro  loadsp, rb
                 .endm
                 .macro  writeb, ch, rb
                 mcr     p14, 0, \ch, c0, c1, 0
                 .endm
+#endif
+
 #else
 
 #include <asm/arch/debug-macro.S>
@@ -42,12 +52,6 @@
                 add     \rb, \rb, #0x00010000   @ Ser1
 #endif
                 .endm
-#elif defined(CONFIG_ARCH_IOP331)
-                .macro loadsp, rb
-                mov     \rb, #0xff000000
-                orr     \rb, \rb, #0x00ff0000
-                orr     \rb, \rb, #0x0000f700   @ location of the UART
-                .endm
 #elif defined(CONFIG_ARCH_S3C2410)
                 .macro loadsp, rb
                 mov     \rb, #0x50000000
@@ -78,9 +82,11 @@
                 kphex   r6, 8           /* processor id */
                 kputc   #':'
                 kphex   r7, 8           /* architecture id */
+#ifdef CONFIG_CPU_CP15
                 kputc   #':'
                 mrc     p15, 0, r0, c1, c0
                 kphex   r0, 8           /* control reg */
+#endif
                 kputc   #'\n'
                 kphex   r5, 8           /* decompressed kernel start */
                 kputc   #'-'
@@ -503,7 +509,11 @@ call_kernel:	bl	cache_clean_flush
  */
 
 call_cache_fn:  adr     r12, proc_types
+#ifdef CONFIG_CPU_CP15
                 mrc     p15, 0, r6, c0, c0      @ get processor ID
+#else
+                ldr     r6, =CONFIG_PROCESSOR_ID
+#endif
 1:              ldr     r1, [r12, #0]           @ get value
                 ldr     r2, [r12, #4]           @ get mask
                 eor     r1, r1, r6              @ (real ^ match)
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index ace3fb5835d9..283891c736c4 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