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-rw-r--r--arch/arm/boot/compressed/head.S18
-rw-r--r--arch/arm/boot/compressed/misc.c15
-rw-r--r--arch/arm/boot/compressed/vmlinux.lds.in5
3 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index def0248..b371fba 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -27,6 +27,12 @@
.macro writeb, ch, rb
mcr p14, 0, \ch, c0, c5, 0
.endm
+#elif defined(CONFIG_CPU_XSCALE)
+ .macro loadsp, rb
+ .endm
+ .macro writeb, ch, rb
+ mcr p14, 0, \ch, c8, c0, 0
+ .endm
#else
.macro loadsp, rb
.endm
@@ -644,6 +650,18 @@ proc_types:
b __armv4_mmu_cache_off
b __armv4_mmu_cache_flush
+ .word 0x56158000 @ PXA168
+ .word 0xfffff000
+ b __armv4_mmu_cache_on
+ b __armv4_mmu_cache_off
+ b __armv5tej_mmu_cache_flush
+
+ .word 0x56056930
+ .word 0xff0ffff0 @ PXA935
+ b __armv4_mmu_cache_on
+ b __armv4_mmu_cache_off
+ b __armv4_mmu_cache_flush
+
.word 0x56050000 @ Feroceon
.word 0xff0f0000
b __armv4_mmu_cache_on
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 3fc0841..393c816 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -46,6 +46,21 @@ static void icedcc_putc(int ch)
asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
}
+#elif defined(CONFIG_CPU_XSCALE)
+
+static void icedcc_putc(int ch)
+{
+ int status, i = 0x4000000;
+
+ do {
+ if (--i < 0)
+ return;
+
+ asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status));
+ } while (status & (1 << 28));
+
+ asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch));
+}
#else
diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
index 153a07e..a5924b9 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.in
@@ -11,6 +11,11 @@ OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
+ /DISCARD/ : {
+ *(.ARM.exidx*)
+ *(.ARM.extab*)
+ }
+
. = TEXT_START;
_text = .;
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