Merge git://www.denx.de/git/u-boot

Conflicts:

	board/tqm5200/tqm5200.c

5 files changed, 112 insertions, 116 deletions

diff --git a/cpu/mips/au1x00_eth.c b/cpu/mips/au1x00_eth.c
index b69741a..d70c5fe 100644
--- a/cpu/mips/au1x00_eth.c
+++ b/cpu/mips/au1x00_eth.c
@@ -90,6 +90,65 @@ mac_fifo_t mac_fifo[NO_OF_FIFOS];
 
 #define MAX_WAIT 1000
 
+#if defined(CONFIG_CMD_MII)
+int  au1x00_miiphy_read(char *devname, unsigned char addr,
+		unsigned char reg, unsigned short * value)
+{
+	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
+	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
+	u32 mii_control;
+	unsigned int timedout = 20;
+
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_read busy timeout!!\n");
+			return -1;
+		}
+	}
+
+	mii_control = MAC_SET_MII_SELECT_REG(reg) |
+		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
+
+	*mii_control_reg = mii_control;
+
+	timedout = 20;
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_read busy timeout!!\n");
+			return -1;
+		}
+	}
+	*value = *mii_data_reg;
+	return 0;
+}
+
+int  au1x00_miiphy_write(char *devname, unsigned char addr,
+		unsigned char reg, unsigned short value)
+{
+	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
+	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
+	u32 mii_control;
+	unsigned int timedout = 20;
+
+	while (*mii_control_reg & MAC_MII_BUSY) {
+		udelay(1000);
+		if (--timedout == 0) {
+			printf("au1x00_eth: miiphy_write busy timeout!!\n");
+			return -1;
+		}
+	}
+
+	mii_control = MAC_SET_MII_SELECT_REG(reg) |
+		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
+
+	*mii_data_reg = value;
+	*mii_control_reg = mii_control;
+	return 0;
+}
+#endif
+
 static int au1x00_send(struct eth_device* dev, volatile void *packet, int length){
 	volatile mac_fifo_t *fifo_tx =
 		(volatile mac_fifo_t*)(MAC0_TX_DMA_ADDR+MAC_TX_BUFF0_STATUS);
@@ -249,63 +308,4 @@ int au1x00_enet_initialize(bd_t *bis){
 	return 1;
 }
 
-#if defined(CONFIG_CMD_MII)
-int  au1x00_miiphy_read(char *devname, unsigned char addr,
-		unsigned char reg, unsigned short * value)
-{
-	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
-	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
-	u32 mii_control;
-	unsigned int timedout = 20;
-
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_read busy timeout!!\n");
-			return -1;
-		}
-	}
-
-	mii_control = MAC_SET_MII_SELECT_REG(reg) |
-		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_READ;
-
-	*mii_control_reg = mii_control;
-
-	timedout = 20;
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_read busy timeout!!\n");
-			return -1;
-		}
-	}
-	*value = *mii_data_reg;
-	return 0;
-}
-
-int  au1x00_miiphy_write(char *devname, unsigned char addr,
-		unsigned char reg, unsigned short value)
-{
-	volatile u32 *mii_control_reg = (volatile u32*)(ETH0_BASE+MAC_MII_CNTRL);
-	volatile u32 *mii_data_reg = (volatile u32*)(ETH0_BASE+MAC_MII_DATA);
-	u32 mii_control;
-	unsigned int timedout = 20;
-
-	while (*mii_control_reg & MAC_MII_BUSY) {
-		udelay(1000);
-		if (--timedout == 0) {
-			printf("au1x00_eth: miiphy_write busy timeout!!\n");
-			return;
-		}
-	}
-
-	mii_control = MAC_SET_MII_SELECT_REG(reg) |
-		MAC_SET_MII_SELECT_PHY(addr) | MAC_MII_WRITE;
-
-	*mii_data_reg = value;
-	*mii_control_reg = mii_control;
-	return 0;
-}
-#endif
-
 #endif /* CONFIG_AU1X00 */
diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S
index aad76e0..443240e 100644
--- a/cpu/mips/cache.S
+++ b/cpu/mips/cache.S
@@ -22,7 +22,6 @@
  * MA 02111-1307 USA
  */
 
-
 #include <config.h>
 #include <version.h>
 #include <asm/regdef.h>
@@ -30,13 +29,11 @@
 #include <asm/addrspace.h>
 #include <asm/cacheops.h>
 
-
 	/* 16KB is the maximum size of instruction and data caches on
 	 * MIPS 4K.
 	 */
 #define MIPS_MAX_CACHE_SIZE	0x4000
 
-
 /*
  * cacheop macro to automate cache operations
  * first some helpers...
@@ -131,7 +128,6 @@ mips_cache_reset:
 	li	t4, CFG_CACHELINE_SIZE
 	move	t5, t4
 
-
 	li	v0, MIPS_MAX_CACHE_SIZE
 
 	/* Now clear that much memory starting from zero.
@@ -139,8 +135,8 @@ mips_cache_reset:
 
 	li	a0, KSEG1
 	addu	a1, a0, v0
-
-2:	sw	zero, 0(a0)
+2:
+	sw	zero, 0(a0)
 	sw	zero, 4(a0)
 	sw	zero, 8(a0)
 	sw	zero, 12(a0)
@@ -156,11 +152,11 @@ mips_cache_reset:
 
 	mtc0	zero, CP0_TAGLO
 
-   /*
-    * The caches are probably in an indeterminate state,
-    * so we force good parity into them by doing an
-    * invalidate, load/fill, invalidate for each line.
-    */
+	/*
+	 * The caches are probably in an indeterminate state,
+	 * so we force good parity into them by doing an
+	 * invalidate, load/fill, invalidate for each line.
+	 */
 
 	/* Assume bottom of RAM will generate good parity for the cache.
 	 */
@@ -201,9 +197,9 @@ mips_cache_reset:
 	move	a1, a2
 	icacheop(a0,a1,a2,a3,Index_Store_Tag_D)
 
-	j  ra
-	.end  mips_cache_reset
+	j	ra
 
+	.end	mips_cache_reset
 
 /*******************************************************************************
 *
@@ -220,7 +216,7 @@ dcache_status:
 	andi	v0, v0, 1
 	j	ra
 
-	.end  dcache_status
+	.end	dcache_status
 
 /*******************************************************************************
 *
@@ -237,11 +233,10 @@ dcache_disable:
 	li	t1, -8
 	and	t0, t0, t1
 	ori	t0, t0, CONF_CM_UNCACHED
-	mtc0    t0, CP0_CONFIG
+	mtc0	t0, CP0_CONFIG
 	j	ra
 
-	.end  dcache_disable
-
+	.end	dcache_disable
 
 /*******************************************************************************
 *
@@ -266,4 +261,5 @@ mips_cache_lock:
 	icacheop(a0,a1,a2,a3,0x1d)
 
 	j	ra
+
 	.end	mips_cache_lock
diff --git a/cpu/mips/config.mk b/cpu/mips/config.mk
index b29986e..ad03bd6 100644
--- a/cpu/mips/config.mk
+++ b/cpu/mips/config.mk
@@ -20,8 +20,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-v=$(shell \
-$(CROSS_COMPILE)as --version|grep "GNU assembler"|awk '{print $$3}'|awk -F . '{print $$2}')
+v=$(shell $(AS) --version |grep "GNU assembler" |cut -d. -f2)
 MIPSFLAGS=$(shell \
 if [ "$v" -lt "14" ]; then \
 	echo "-mcpu=4kc"; \
@@ -35,6 +34,6 @@ else
 ENDIANNESS = -EB
 endif
 
-MIPSFLAGS += $(ENDIANNESS) -mabicalls
+MIPSFLAGS += $(ENDIANNESS)
 
 PLATFORM_CPPFLAGS += $(MIPSFLAGS)
diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c
index f48675e..7559ac6 100644
--- a/cpu/mips/cpu.c
+++ b/cpu/mips/cpu.c
@@ -39,12 +39,12 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	return 0;
 }
 
-void flush_cache (ulong start_addr, ulong size)
+void flush_cache(ulong start_addr, ulong size)
 {
-
 }
 
-void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 ){
+void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
+{
 	write_32bit_cp0_register(CP0_ENTRYLO0, low0);
 	write_32bit_cp0_register(CP0_PAGEMASK, pagemask);
 	write_32bit_cp0_register(CP0_ENTRYLO1, low1);
diff --git a/cpu/mips/start.S b/cpu/mips/start.S
index e91e213..c92b162 100644
--- a/cpu/mips/start.S
+++ b/cpu/mips/start.S
@@ -22,13 +22,11 @@
  * MA 02111-1307 USA
  */
 
-
 #include <config.h>
 #include <version.h>
 #include <asm/regdef.h>
 #include <asm/mipsregs.h>
 
-
 #define RVECENT(f,n) \
    b f; nop
 #define XVECENT(f,bev) \
@@ -192,7 +190,7 @@ _start:
 	.word	0x00000000
 	.word	0x03e00008
 	.word	0x00000000
-	.word   0x00000000
+	.word	0x00000000
 /* 0xbfc00428 */
 	.word	0xdc870000
 	.word	0xfca70000
@@ -203,7 +201,7 @@ _start:
 	.word	0x00000000
 	.word	0x03e00008
 	.word	0x00000000
-	.word   0x00000000
+	.word	0x00000000
 #endif /* CONFIG_PURPLE */
 	.align 4
 reset:
@@ -234,34 +232,32 @@ reset:
 	li	t0, CONF_CM_UNCACHED
 	mtc0	t0, CP0_CONFIG
 
-	/* Initialize GOT pointer.
-	*/
-	bal     1f
+	/* Initialize $gp.
+	 */
+	bal	1f
 	nop
-	.word   _GLOBAL_OFFSET_TABLE_
-	1:
-	move    gp, ra
-	lw      t1, 0(ra)
-	move	gp, t1
+	.word	_gp
+1:
+	lw	gp, 0(ra)
 
 #ifdef CONFIG_INCA_IP
 	/* Disable INCA-IP Watchdog.
 	 */
-	la      t9, disable_incaip_wdt
-	jalr    t9
+	la	t9, disable_incaip_wdt
+	jalr	t9
 	nop
 #endif
 
 	/* Initialize any external memory.
 	 */
-	la      t9, lowlevel_init
-	jalr    t9
+	la	t9, lowlevel_init
+	jalr	t9
 	nop
 
 	/* Initialize caches...
 	 */
-	la      t9, mips_cache_reset
-	jalr    t9
+	la	t9, mips_cache_reset
+	jalr	t9
 	nop
 
 	/* ... and enable them.
@@ -269,12 +265,11 @@ reset:
 	li	t0, CONF_CM_CACHABLE_NONCOHERENT
 	mtc0	t0, CP0_CONFIG
 
-
 	/* Set up temporary stack.
 	 */
 	li	a0, CFG_INIT_SP_OFFSET
-	la      t9, mips_cache_lock
-	jalr    t9
+	la	t9, mips_cache_lock
+	jalr	t9
 	nop
 
 	li	t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET
@@ -284,7 +279,6 @@ reset:
 	j	t9
 	nop
 
-
 /*
  * void relocate_code (addr_sp, gd, addr_moni)
  *
@@ -298,7 +292,7 @@ reset:
 	.globl	relocate_code
 	.ent	relocate_code
 relocate_code:
-	move	sp, a0		/* Set new stack pointer		*/
+	move	sp, a0		/* Set new stack pointer	*/
 
 	li	t0, CFG_MONITOR_BASE
 	la	t3, in_ram
@@ -306,14 +300,14 @@ 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
-	add	gp, a2			/* gp now adjusted		*/
-	sub	t6, gp, t6		/* t6 <-- relocation offset	*/
+	add	gp, a2		/* gp now adjusted		*/
+	sub	t6, gp, t6	/* t6 <-- relocation offset	*/
 
 	/*
 	 * t0 = source address
@@ -329,7 +323,7 @@ relocate_code:
 	sw	t3, 0(t1)
 	addu	t0, 4
 	ble	t0, t2, 1b
-	addu	t1, 4			/* delay slot			*/
+	addu	t1, 4		/* delay slot			*/
 #endif
 
 	/* If caches were enabled, we would have to flush them here.
@@ -341,15 +335,22 @@ 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)
@@ -369,7 +370,8 @@ in_ram:
 	add	t2, t6
 
 	sub	t1, 4
-1:	addi	t1, 4
+1:
+	addi	t1, 4
 	bltl	t1, t2, 1b
 	sw	zero, 0(t1)	/* delay slot			*/
 
@@ -380,11 +382,10 @@ in_ram:
 
 	.end	relocate_code
 
-
 	/* Exception handlers.
 	 */
 romReserved:
-	b romReserved
+	b	romReserved
 
 romExcHandle:
-	b romExcHandle
+	b	romExcHandle