1 files changed, 36 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/mioa701_bootresume.S b/arch/arm/mach-pxa/mioa701_bootresume.S
new file mode 100644
index 000000000000..a647693d9856
--- /dev/null
+++ b/arch/arm/mach-pxa/mioa701_bootresume.S
@@ -0,0 +1,36 @@
+/* Bootloader to resume MIO A701
+ *
+ * 2007-1-12 Robert Jarzmik
+ *
+ * This code is licenced under the GPLv2.
+*/
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+/*
+ * Note: Yes, part of the following code is located into the .data section.
+ *       This is to allow jumpaddr to be accessed with a relative load
+ *       while we can't rely on any MMU translation.  We could have put
+ *       sleep_save_sp in the .text section as well, but some setups might
+ *       insist on it to be truly read-only.
+ */
+        .data
+ENTRY(mioa701_bootstrap)
+0:
+        b       1f
+ENTRY(mioa701_jumpaddr)
+        .word   0x40f00008              @ PSPR in no-MMU mode
+1:
+        mov     r0,     #0xa0000000     @ Don't suppose memory access works
+        orr     r0, r0, #0x00200000     @ even if it's supposed to
+        mov     r1, #0
+        str     r1, [r0]                @ Early disable resume for next boot
+        ldr     r0, mioa701_jumpaddr    @ (Murphy's Law)
+        ldr     r0, [r0]
+        mov     pc, r0
+2:
+
+ENTRY(mioa701_bootstrap_lg)
+        .data
+        .word   2b-0b