Merge branch 'master' of /home/wd/git/u-boot/custodians

4 files changed, 32 insertions, 20 deletions

diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk
index b29986e..487c4eb 100644
--- a/cpu/mips/config.mk
+++ b/cpu/mips/config.mk
@@ -35,6 +35,6 @@ else
 ENDIANNESS = -EB
 endif
 
-MIPSFLAGS += $(ENDIANNESS) -mabicalls
+MIPSFLAGS += $(ENDIANNESS)
 
 PLATFORM_CPPFLAGS += $(MIPSFLAGS)
diff --git a/cpu/mips/start.S b/cpu/mips/start.S
index e91e213..074d01d 100644
--- a/cpu/mips/start.S
+++ b/cpu/mips/start.S
@@ -234,11 +234,11 @@ reset:
 	li	t0, CONF_CM_UNCACHED
 	mtc0	t0, CP0_CONFIG
 
-	/* Initialize GOT pointer.
+	/* Initialize $gp.
 	*/
 	bal     1f
 	nop
-	.word   _GLOBAL_OFFSET_TABLE_
+	.word	_gp
 	1:
 	move    gp, ra
 	lw      t1, 0(ra)
@@ -306,9 +306,9 @@ relocate_code:
 	move	t1, a2
 
 	/*
-	 * Fix GOT pointer:
+	 * Fix $gp:
 	 *
-	 * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE) + Destination Address
+	 * New $gp = (Old $gp - CFG_MONITOR_BASE) + Destination Address
 	 */
 	move	t6, gp
 	sub	gp, CFG_MONITOR_BASE
@@ -341,15 +341,22 @@ relocate_code:
 	j	t0
 	nop
 
+	.gpword	_GLOBAL_OFFSET_TABLE_	/* _GLOBAL_OFFSET_TABLE_ - _gp	*/
 	.word	uboot_end_data
 	.word	uboot_end
 	.word	num_got_entries
 
 in_ram:
-	/* Now we want to update GOT.
+	/*
+	 * Now we want to update GOT.
+	 *
+	 * GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
+	 * generated by GNU ld. Skip these reserved entries from relocation.
 	 */
 	lw	t3, -4(t0)	/* t3 <-- num_got_entries	*/
-	addi	t4, gp, 8	/* Skipping first two entries.	*/
+	lw	t4, -16(t0)	/* t4 <-- (_GLOBAL_OFFSET_TABLE_ - _gp)	*/
+	add	t4, t4, gp	/* t4 now holds _GLOBAL_OFFSET_TABLE_	*/
+	addi	t4, t4, 8	/* Skipping first two entries.	*/
 	li	t2, 2
 1:
 	lw	t1, 0(t4)
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 08e0468..bbc5444 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -163,7 +163,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
 	 * Initiate hard reset in debug control register DBCR0
 	 * Make sure MSR[DE] = 1
 	 */
-		unsigned long val;
+		unsigned long val, msr;
+
+		msr = mfmsr ();
+		msr |= MSR_DE;
+		mtmsr (msr);
+
 		val = mfspr(DBCR0);
 		val |= 0x70000000;
 		mtspr(DBCR0,val);
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 2c98c2a..ada6ea5 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -218,6 +218,8 @@ _start_e500:
 	bdnz	0b
 
 	/* Clear and set up some registers. */
+	li      r0,0
+	mtmsr   r0
 	li	r0,0x0000
 	lis	r1,0xffff
 	mtspr	DEC,r0			/* prevent dec exceptions */
@@ -266,18 +268,17 @@ _start_e500:
 	 */
 	lis	r3,CFG_INIT_RAM_ADDR@h
 	ori	r3,r3,CFG_INIT_RAM_ADDR@l
-	li	r2,512 /* 512*32=16K */
+	li	r2,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) 
 	mtctr	r2
 	li	r0,0
 1:
 	dcbz	r0,r3
 	dcbtls	0,r0,r3
-	addi	r3,r3,32
+	addi	r3,r3,CFG_CACHELINE_SIZE
 	bdnz	1b
 
 	/* Jump out the last 4K page and continue to 'normal' start */
 #ifdef CFG_RAMBOOT
-	bl	3f
 	b	_start_cont
 #else
 	/* Calculate absolute address in FLASH and jump there		*/
@@ -286,15 +287,9 @@ _start_e500:
 	ori	r3,r3,CFG_MONITOR_BASE@l
 	addi	r3,r3,_start_cont - _start + _START_OFFSET
 	mtlr	r3
+	blr
 #endif
 
-3:	li	r0,0
-	mtspr	SRR1,r0		/* Keep things disabled for now */
-	mflr	r1
-	mtspr	SRR0,r1
-	rfi
-	isync
-
 	.text
 	.globl	_start
 _start:
@@ -701,6 +696,7 @@ in8:
 	.globl	out8
 out8:
 	stb	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -710,6 +706,7 @@ out8:
 	.globl	out16
 out16:
 	sth	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -719,6 +716,7 @@ out16:
 	.globl	out16r
 out16r:
 	sthbrx	r4,r0,r3
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -728,6 +726,7 @@ out16r:
 	.globl	out32
 out32:
 	stw	r4,0x0000(r3)
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -737,6 +736,7 @@ out32:
 	.globl	out32r
 out32r:
 	stwbrx	r4,r0,r3
+	sync
 	blr
 
 /*------------------------------------------------------------------------------- */
@@ -1061,11 +1061,11 @@ unlock_ram_in_cache:
 	/* invalidate the INIT_RAM section */
 	lis	r3,(CFG_INIT_RAM_ADDR & ~31)@h
 	ori	r3,r3,(CFG_INIT_RAM_ADDR & ~31)@l
-	li	r4,512
+	li	r4,(CFG_DCACHE_SIZE / (2 * CFG_CACHELINE_SIZE)) 
 	mtctr	r4
 1:	icbi	r0,r3
 	dcbi	r0,r3
-	addi	r3,r3,32
+	addi	r3,r3,CFG_CACHELINE_SIZE
 	bdnz	1b
 	sync			/* Wait for all icbi to complete on bus */
 	isync