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

board/cds/common/ft_board.c

@@ -37,17 +37,24 @@ static void cds_pci_fixup(void *blob)
 
 	map = ft_get_prop(blob, "/" OF_SOC "/pci@8000/interrupt-map", &len);
 
-	len /= sizeof(u32);
+	if (!map)
+		map = ft_get_prop(blob, "/" OF_PCI "/interrupt-map", &len);
 
-	slot = get_pci_slot();
+	if (map) {
+		len /= sizeof(u32);
 
-	for (i=0;i<len;i+=7) {
-		/* We rotate the interrupt pins so that the mapping
-		 * changes depending on the slot the carrier card is in.
-		 */
-		map[3] = ((map[3] + slot - 2) % 4) + 1;
+		slot = get_pci_slot();
 
-		map+=7;
+		for (i=0;i<len;i+=7) {
+			/* We rotate the interrupt pins so that the mapping
+			 * changes depending on the slot the carrier card is in.
+			 */
+			map[3] = ((map[3] + slot - 2) % 4) + 1;
+
+			map+=7;
+		}
+	} else {
+		printf("*** Warning - No PCI node found\n");
 	}
 }
 #endif

board/dbau1x00/u-boot.lds

@@ -43,14 +43,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
-
-	_gp = ALIGN(16);
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

board/gth2/u-boot.lds

@@ -43,14 +43,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	_gp = ALIGN(16);
-
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

board/incaip/u-boot.lds

@@ -43,14 +43,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
-
-	_gp = ALIGN(16);
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

board/pb1x00/u-boot.lds

@@ -43,14 +43,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	_gp = ALIGN(16);
-
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

board/purple/u-boot.lds

@@ -53,14 +53,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
-
-	_gp = ALIGN(16);
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

board/tb0229/u-boot.lds

@@ -43,14 +43,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
-
-	_gp = ALIGN(16);
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

cpu/mips/config.mk

@@ -35,6 +35,6 @@ else
 ENDIANNESS = -EB
 endif
 
-MIPSFLAGS += $(ENDIANNESS) -mabicalls
+MIPSFLAGS += $(ENDIANNESS)
 
 PLATFORM_CPPFLAGS += $(MIPSFLAGS)

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)

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);

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

drivers/tsec.c

@@ -803,6 +803,7 @@ static void startup_tsec(struct eth_device *dev)
 	/* Tell the DMA it is clear to go */
 	regs->dmactrl |= DMACTRL_INIT_SETTINGS;
 	regs->tstat = TSTAT_CLEAR_THALT;
+	regs->rstat = RSTAT_CLEAR_RHALT;
 	regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 }
 

examples/mips.lds

@@ -39,14 +39,14 @@ SECTIONS
 	. = ALIGN(4);
 	.data  : { *(.data) }
 
-	. = ALIGN(4);
-	.sdata  : { *(.sdata) }
+	. = .;
+	_gp = ALIGN(16) + 0x7ff0;
 
-	_gp = ALIGN(16);
-
-	__got_start = .;
-	.got  : { *(.got) }
-	__got_end = .;
+	.got : {
+	  __got_start = .;
+	  *(.got)
+	  __got_end = .;
+	}
 
 	.sdata  : { *(.sdata) }
 

include/asm-mips/addrspace.h

@@ -49,7 +49,7 @@
    cannot access physical memory directly from core */
 #define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000)
 #else	/* !CONFIG_AU1X00 */
-#define UNCACHED_SDRAM(a) PHYSADDR(a)
+#define UNCACHED_SDRAM(a) KSEG1ADDR(a)
 #endif	/* CONFIG_AU1X00 */
 #endif	/* __ASSEMBLY__ */
 /*

include/configs/MPC8541CDS.h

@@ -316,6 +316,7 @@ extern unsigned long get_clock_freq(void);
 #define OF_SOC			"soc8541@e0000000"
 #define OF_TBCLK		(bd->bi_busfreq / 8)
 #define OF_STDOUT_PATH		"/soc8541@e0000000/serial@4600"
+#define OF_PCI			"pci@e0008000"
 
 /*
  * I2C

include/configs/MPC8548CDS.h

@@ -340,6 +340,7 @@ extern unsigned long get_clock_freq(void);
 #define OF_SOC			"soc8548@e0000000"
 #define OF_TBCLK		(bd->bi_busfreq / 8)
 #define OF_STDOUT_PATH		"/soc8548@e0000000/serial@4600"
+#define OF_PCI			"pci@e0008000"
 
 /*
  * I2C

include/configs/MPC8555CDS.h

@@ -316,6 +316,7 @@ extern unsigned long get_clock_freq(void);
 #define OF_SOC			"soc8555@e0000000"
 #define OF_TBCLK		(bd->bi_busfreq / 8)
 #define OF_STDOUT_PATH		"/soc8555@e0000000/serial@4600"
+#define OF_PCI			"pci@e0008000"
 
 /*
  * I2C

include/configs/MPC8568MDS.h

@@ -297,7 +297,7 @@ extern unsigned long get_clock_freq(void);
 #define OF_SOC			"soc8568@e0000000"
 #define OF_QE			"qe@e0080000"
 #define OF_TBCLK		(bd->bi_busfreq / 8)
-#define OF_STDOUT_PATH		"/soc8568@e0000000/serial@4600"
+#define OF_STDOUT_PATH		"/soc8568@e0000000/serial@4500"
 
 /*
  * I2C

mips_config.mk

@@ -22,3 +22,28 @@
 #
 
 PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
+
+#
+# From Linux arch/mips/Makefile
+#
+# GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
+# code since it only slows down the whole thing.  At some point we might make
+# use of global pointer optimizations but their use of $28 conflicts with
+# the current pointer optimization.
+#
+# The DECStation requires an ECOFF kernel for remote booting, other MIPS
+# machines may also.  Since BFD is incredibly buggy with respect to
+# crossformat linking we rely on the elf2ecoff tool for format conversion.
+#
+# cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
+# cflags-y			+= -msoft-float
+# LDFLAGS_vmlinux		+= -G 0 -static -n -nostdlib
+# MODFLAGS			+= -mlong-calls
+#
+
+#
+# Meanwhile, U-Boot rely on PIC. We add proper switches explicitly.
+#
+PLATFORM_CPPFLAGS		+= -G 0 -mabicalls -fpic -pipe
+PLATFORM_CPPFLAGS		+= -msoft-float
+PLATFORM_LDFLAGS		+= -G 0 -static -n -nostdlib