[U-Boot-Users] [PATCH] lib_ppc: Revert "Make MPC83xx one step closer to full relocation."

Kim Phillips kim.phillips at freescale.com
Tue Apr 22 01:10:14 CEST 2008


This reverts commit 70431e8a7393b6b793f77957f95b999fc9a269b8 which has
proven problematic getting right from the start at least on 83xx and
4xx.

Signed-off-by: Kim Phillips <kim.phillips at freescale.com>
---
 cpu/mpc83xx/start.S |   11 ++++-------
 lib_ppc/board.c     |    1 -
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/cpu/mpc83xx/start.S b/cpu/mpc83xx/start.S
index fdf9d35..309eb30 100644
--- a/cpu/mpc83xx/start.S
+++ b/cpu/mpc83xx/start.S
@@ -172,11 +172,8 @@ boot_warm: /* time t 5 */
 	/* there and deflate the flash size back to minimal size      */
 	/*------------------------------------------------------------*/
 	bl map_flash_by_law1
-
-	GET_GOT			/* initialize GOT access	*/
-	lwz r4, GOT(_start)
-	addi r4, r4, -EXC_OFF_SYS_RESET
-
+	lis r4, (CFG_MONITOR_BASE)@h
+	ori r4, r4, (CFG_MONITOR_BASE)@l
 	addi r5, r4, in_flash - _start + EXC_OFF_SYS_RESET
 	mtlr r5
 	blr
@@ -875,8 +872,8 @@ relocate_code:
 	mr	r10, r5		/* Save copy of Destination Address */
 
 	mr	r3,  r5				/* Destination Address */
-	lwz	r4, GOT(_start)
-	addi	r4, r4, -EXC_OFF_SYS_RESET
+	lis	r4, CFG_MONITOR_BASE at h		/* Source      Address */
+	ori	r4, r4, CFG_MONITOR_BASE at l
 	lwz	r5, GOT(__init_end)
 	sub	r5, r5, r4
 	li	r6, CFG_CACHELINE_SIZE		/* Cache Line Size */
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index b2bc4eb..1b8a872 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -124,7 +124,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define CFG_MEM_TOP_HIDE	0
 #endif
 
-extern ulong _start;
 extern ulong __init_end;
 extern ulong _end;
 ulong monitor_flash_len;
-- 
1.5.5





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