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authorMichal Simek <monstr@monstr.eu>2011-08-30 15:22:24 +0200
committerMichal Simek <monstr@monstr.eu>2011-10-03 08:01:56 +0200
commit5562bcc241e12a00344b5a08855bab27a6167538 (patch)
treeeb29de8ee64da4bd3bdd0c3df9f29d9ddd21587f /arch/microblaze
parentf3090fce77202a867ae23d0df91a2b54ed9ee6e4 (diff)
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microblaze: Clean up reset asm code
- Remove code copying - Reset address is setup from first stage bootloader - Support reset vector setup on little endian Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/cpu/start.S25
1 files changed, 5 insertions, 20 deletions
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 42104fa..9077f74 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -67,26 +67,11 @@ _start:
addik r6, r0, CONFIG_SYS_RESET_ADDRESS
sw r6, r1, r0
- lhu r7, r1, r0
- shi r7, r0, 0x2
- shi r6, r0, 0x6
-/*
- * Copy U-Boot code to CONFIG_SYS_TEXT_BASE
- * solve problem with sbrk_base
- */
-#if (CONFIG_SYS_RESET_ADDRESS != CONFIG_SYS_TEXT_BASE)
- addi r4, r0, __end
- addi r5, r0, __text_start
- rsub r4, r5, r4 /* size = __end - __text_start */
- addi r6, r0, CONFIG_SYS_RESET_ADDRESS /* source address */
- addi r7, r0, 0 /* counter */
-4:
- lw r8, r6, r7
- sw r8, r5, r7
- addi r7, r7, 0x4
- cmp r8, r4, r7
- blti r8, 4b
-#endif
+ lhu r7, r1, r10
+ rsubi r8, r10, 0x2
+ sh r7, r0, r8
+ rsubi r8, r10, 0x6
+ sh r6, r0, r8
#endif
#ifdef CONFIG_SYS_USR_EXCEP