Merge branch 'master' of git://git.denx.de/u-boot-arm

* 'master' of git://git.denx.de/u-boot-arm:
  run arm_pci_init after relocation
  IXP42x PCI rewrite
  update/fix PDNB3 board
  update/fix IXDP425 / IXDPG425 boards
  add dvlhost (dLAN 200 AV Wireless G) board
  IXP NPE: add support for fixed-speed MII ports
  update/fix AcTux4 board
  update/fix AcTux3 board
  update/fix AcTux2 board
  update/fix AcTux1 board
  use -ffunction-sections / --gc-sections on IXP42x
  support CONFIG_SYS_LDSCRIPT on ARM
  fix "depend" target in npe directory
  Fix IXP code to work after relocation was added
  trigger hardware watchdog in IXP42x serial driver
  add support for IXP42x Rev. B1 and newer
  add XScale sub architecture (IXP/PXA) to maintainer list

Conflicts:
	arch/arm/lib/board.c

Signed-off-by: Wolfgang Denk <wd@denx.de>

7 files changed, 120 insertions, 156 deletions

diff --git a/arch/arm/cpu/ixp/config.mk b/arch/arm/cpu/ixp/config.mk
index deca3f4..5868cba 100644
--- a/arch/arm/cpu/ixp/config.mk
+++ b/arch/arm/cpu/ixp/config.mk
@@ -27,6 +27,11 @@ BIG_ENDIAN = y
 PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float -mbig-endian
 
 PLATFORM_CPPFLAGS += -mbig-endian -march=armv5te -mtune=strongarm1100
+
+# -fdata-sections triggers "section .bss overlaps section .rel.dyn" linker error
+PLATFORM_RELFLAGS += -ffunction-sections
+LDFLAGS_u-boot += --gc-sections
+
 # =========================================================================
 #
 # Supply options according to compiler version
diff --git a/arch/arm/cpu/ixp/cpu.c b/arch/arm/cpu/ixp/cpu.c
index ce275e5..942845d 100644
--- a/arch/arm/cpu/ixp/cpu.c
+++ b/arch/arm/cpu/ixp/cpu.c
@@ -36,8 +36,6 @@
 #include <asm/arch/ixp425.h>
 #include <asm/system.h>
 
-ulong loops_per_jiffy;
-
 static void cache_flush(void);
 
 #if defined(CONFIG_DISPLAY_CPUINFO)
@@ -51,17 +49,14 @@ int print_cpuinfo (void)
 	puts("CPU:   Intel IXP425 at ");
 	switch ((id & 0x000003f0) >> 4) {
 	case 0x1c:
-		loops_per_jiffy = 887467;
 		speed = 533;
 		break;
 
 	case 0x1d:
-		loops_per_jiffy = 666016;
 		speed = 400;
 		break;
 
 	case 0x1f:
-		loops_per_jiffy = 442901;
 		speed = 266;
 		break;
 	}
diff --git a/arch/arm/cpu/ixp/npe/Makefile b/arch/arm/cpu/ixp/npe/Makefile
index c756a1d..14ab3c7 100644
--- a/arch/arm/cpu/ixp/npe/Makefile
+++ b/arch/arm/cpu/ixp/npe/Makefile
@@ -27,6 +27,7 @@ LIB := $(obj)libnpe.o
 
 LOCAL_CFLAGS  += -I$(TOPDIR)/arch/arm/cpu/ixp/npe/include -DCONFIG_IXP425_COMPONENT_ETHDB -D__linux
 CFLAGS  += $(LOCAL_CFLAGS)
+CPPFLAGS  += $(LOCAL_CFLAGS) # needed for depend
 HOSTCFLAGS  += $(LOCAL_CFLAGS)
 
 COBJS-$(CONFIG_IXP4XX_NPE) := npe.o \
diff --git a/arch/arm/cpu/ixp/npe/npe.c b/arch/arm/cpu/ixp/npe/npe.c
index 857bcad..f0e02bf 100644
--- a/arch/arm/cpu/ixp/npe/npe.c
+++ b/arch/arm/cpu/ixp/npe/npe.c
@@ -359,36 +359,53 @@ static int npe_init(struct eth_device *dev, bd_t * bis)
 
 	debug("%s: 1\n", __FUNCTION__);
 
-	miiphy_read (dev->name, p_npe->phy_no, MII_BMSR, &reg_short);
-
-	/*
-	 * Wait if PHY is capable of autonegotiation and autonegotiation is not complete
-	 */
-	if ((reg_short & BMSR_ANEGCAPABLE) && !(reg_short & BMSR_ANEGCOMPLETE)) {
-		puts ("Waiting for PHY auto negotiation to complete");
-		i = 0;
-		while (!(reg_short & BMSR_ANEGCOMPLETE)) {
-			/*
-			 * Timeout reached ?
-			 */
-			if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
-				puts (" TIMEOUT !\n");
-				break;
-			}
+#ifdef CONFIG_MII_NPE0_FIXEDLINK
+	if (0 == p_npe->eth_id) {
+		speed = CONFIG_MII_NPE0_SPEED;
+		duplex = CONFIG_MII_NPE0_FULLDUPLEX ? FULL : HALF;
+	} else
+#endif
+#ifdef CONFIG_MII_NPE1_FIXEDLINK
+	if (1 == p_npe->eth_id) {
+		speed = CONFIG_MII_NPE1_SPEED;
+		duplex = CONFIG_MII_NPE1_FULLDUPLEX ? FULL : HALF;
+	} else
+#endif
+	{
+		miiphy_read(dev->name, p_npe->phy_no, MII_BMSR, &reg_short);
+
+		/*
+		 * Wait if PHY is capable of autonegotiation and
+		 * autonegotiation is not complete
+		 */
+		if ((reg_short & BMSR_ANEGCAPABLE) &&
+		    !(reg_short & BMSR_ANEGCOMPLETE)) {
+			puts("Waiting for PHY auto negotiation to complete");
+			i = 0;
+			while (!(reg_short & BMSR_ANEGCOMPLETE)) {
+				/*
+				 * Timeout reached ?
+				 */
+				if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+					puts(" TIMEOUT !\n");
+					break;
+				}
 
-			if ((i++ % 1000) == 0) {
-				putc ('.');
-				miiphy_read (dev->name, p_npe->phy_no, MII_BMSR, &reg_short);
+				if ((i++ % 1000) == 0) {
+					putc('.');
+					miiphy_read(dev->name, p_npe->phy_no,
+						     MII_BMSR, &reg_short);
+				}
+				udelay(1000);	/* 1 ms */
 			}
-			udelay (1000);	/* 1 ms */
+			puts(" done\n");
+			/* another 500 ms (results in faster booting) */
+			udelay(500000);
 		}
-		puts (" done\n");
-		udelay (500000);	/* another 500 ms (results in faster booting) */
+		speed = miiphy_speed(dev->name, p_npe->phy_no);
+		duplex = miiphy_duplex(dev->name, p_npe->phy_no);
 	}
 
-	speed = miiphy_speed (dev->name, p_npe->phy_no);
-	duplex = miiphy_duplex (dev->name, p_npe->phy_no);
-
 	if (p_npe->print_speed) {
 		p_npe->print_speed = 0;
 		printf ("ENET Speed is %d Mbps - %s duplex connection\n",
@@ -621,9 +638,12 @@ int npe_initialize(bd_t * bis)
 			if (ixFeatureCtrlDeviceRead() == IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X) {
 				switch (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK) {
 				case IX_FEATURE_CTRL_SILICON_TYPE_B0:
+				default: /* newer than B0 */
 					/*
-					 * If it is B0 Silicon, we only enable port when its corresponding
-					 * Eth Coprocessor is available.
+					 * If it is B0 or newer Silicon, we
+					 * only enable port when its
+					 * corresponding Eth Coprocessor is
+					 * available.
 					 */
 					if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
 					    IX_FEATURE_CTRL_COMPONENT_ENABLED)
diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S
index 561c1f4..faa9a8f 100644
--- a/arch/arm/cpu/ixp/start.S
+++ b/arch/arm/cpu/ixp/start.S
@@ -65,7 +65,8 @@
 	.endm
 
 .globl _start
-_start: b	reset
+_start:
+	ldr	pc, _reset
 	ldr	pc, _undefined_instruction
 	ldr	pc, _software_interrupt
 	ldr	pc, _prefetch_abort
@@ -74,6 +75,7 @@ _start: b	reset
 	ldr	pc, _irq
 	ldr	pc, _fiq
 
+_reset:                 .word reset
 _undefined_instruction: .word undefined_instruction
 _software_interrupt:	.word software_interrupt
 _prefetch_abort:	.word prefetch_abort
@@ -167,12 +169,6 @@ reset:
 	str     r1, [r2]
 
 	/* make sure flash is visible at 0 */
-#if 0
-	ldr	r2, =IXP425_EXP_CFG0
-	ldr     r1, [r2]
-	orr     r1, r1, #0x80000000
-	str     r1, [r2]
-#endif
 	mov	r1, #CONFIG_SYS_SDR_CONFIG
 	ldr     r2, =IXP425_SDR_CONFIG
 	str     r1, [r2]
@@ -216,19 +212,6 @@ reset:
 	str	r1, [r4]
 	DELAY_FOR 0x4000, r0
 
-	/* copy */
-	mov     r0, #0
-	mov     r4, r0
-	add     r2, r0, #CONFIG_SYS_MONITOR_LEN
-	mov     r1, #0x10000000
-	mov     r5, r1
-
-    30:
-	ldr     r3, [r0], #4
-	str     r3, [r1], #4
-	cmp     r0, r2
-	bne     30b
-
 	/* invalidate I & D caches & BTB */
 	mcr	p15, 0, r0, c7, c7, 0
 	CPWAIT	r0
@@ -241,19 +224,12 @@ reset:
 	mcr	p15, 0, r0, c7, c10, 4
 	CPWAIT	r0
 
-	/* move flash to 0x50000000 */
+	/* remove flash mirror at 0x00000000 */
 	ldr	r2, =IXP425_EXP_CFG0
 	ldr     r1, [r2]
 	bic     r1, r1, #0x80000000
 	str     r1, [r2]
 
-	nop
-	nop
-	nop
-	nop
-	nop
-	nop
-
 	/* invalidate I & Data TLB */
 	mcr	p15, 0, r0, c8, c7, 0
 	CPWAIT r0
@@ -269,7 +245,7 @@ reset:
 	orr	r0,r0,#0x13
 	msr	cpsr,r0
 
-/* Set stackpointer in internal RAM to call board_init_f */
+/* Set initial stackpointer in SDRAM to call board_init_f */
 call_board_init_f:
 	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
 	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
@@ -580,28 +556,3 @@ reset_endless:
 
 	b	reset_endless
 
-#ifdef CONFIG_USE_IRQ
-
-.LC0:		.word	loops_per_jiffy
-
-/*
- * 0 <= r0 <= 2000
- */
-.globl __udelay
-__udelay:
-	mov	r2,     #0x6800
-	orr	r2, r2, #0x00db
-	mul	r0, r2, r0
-	ldr	r2, .LC0
-	ldr	r2, [r2]		@ max = 0x0fffffff
-	mov	r0, r0, lsr #11		@ max = 0x00003fff
-	mov	r2, r2, lsr #11		@ max = 0x0003ffff
-	mul	r0, r2, r0		@ max = 2^32-1
-	movs	r0, r0, lsr #6
-
-delay_loop:
-	subs	r0, r0, #1
-	bne	delay_loop
-	mov	pc, lr
-
-#endif /* CONFIG_USE_IRQ */
diff --git a/arch/arm/cpu/ixp/timer.c b/arch/arm/cpu/ixp/timer.c
index edf341f..9f3ea42 100644
--- a/arch/arm/cpu/ixp/timer.c
+++ b/arch/arm/cpu/ixp/timer.c
@@ -1,4 +1,7 @@
 /*
+ * (C) Copyright 2010
+ * Michael Schwingen, michael@schwingen.org
+ *
  * (C) Copyright 2006
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
@@ -31,105 +34,94 @@
 
 #include <common.h>
 #include <asm/arch/ixp425.h>
+#include <asm/io.h>
+#include <div64.h>
 
-#ifdef CONFIG_TIMER_IRQ
-
-#define FREQ		66666666
-#define CLOCK_TICK_RATE	(((FREQ / CONFIG_SYS_HZ & ~IXP425_OST_RELOAD_MASK) + 1) * CONFIG_SYS_HZ)
-#define LATCH		((CLOCK_TICK_RATE + CONFIG_SYS_HZ/2) / CONFIG_SYS_HZ)	/* For divider */
+DECLARE_GLOBAL_DATA_PTR;
 
 /*
- * When interrupts are enabled, use timer 2 for time/delay generation...
+ * The IXP42x time-stamp timer runs at 2*OSC_IN (66.666MHz when using a
+ * 33.333MHz crystal).
  */
-
-static volatile ulong timestamp;
-
-static void timer_isr(void *data)
+static inline unsigned long long tick_to_time(unsigned long long tick)
 {
-	unsigned int *pTime = (unsigned int *)data;
-
-	(*pTime)++;
-
-	/*
-	 * Reset IRQ source
-	 */
-	*IXP425_OSST = IXP425_OSST_TIMER_2_PEND;
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, CONFIG_IXP425_TIMER_CLK);
+	return tick;
 }
 
-ulong get_timer (ulong base)
+static inline unsigned long long time_to_tick(unsigned long long time)
 {
-	return timestamp - base;
+	time *= CONFIG_IXP425_TIMER_CLK;
+	do_div(time, CONFIG_SYS_HZ);
+	return time;
 }
 
-void reset_timer (void)
+static inline unsigned long long us_to_tick(unsigned long long us)
 {
-	timestamp = 0;
+	us = us * CONFIG_IXP425_TIMER_CLK + 999999;
+	do_div(us, 1000000);
+	return us;
 }
 
-int timer_init (void)
+unsigned long long get_ticks(void)
 {
-	/* install interrupt handler for timer */
-	irq_install_handler(IXP425_TIMER_2_IRQ, timer_isr, (void *)&timestamp);
-
-	/* setup the Timer counter value */
-	*IXP425_OSRT2 = (LATCH & ~IXP425_OST_RELOAD_MASK) | IXP425_OST_ENABLE;
+	ulong now = readl(IXP425_OSTS_B);
+
+	if (readl(IXP425_OSST) & IXP425_OSST_TIMER_TS_PEND) {
+		/* rollover of timestamp timer register */
+		gd->timestamp += (0xFFFFFFFF - gd->lastinc) + now + 1;
+		writel(IXP425_OSST_TIMER_TS_PEND, IXP425_OSST);
+	} else {
+		/* move stamp forward with absolut diff ticks */
+		gd->timestamp += (now - gd->lastinc);
+	}
+	gd->lastinc = now;
+	return gd->timestamp;
+}
 
-	/* enable timer irq */
-	*IXP425_ICMR = (1 << IXP425_TIMER_2_IRQ);
 
-	return 0;
-}
-#else
-ulong get_timer (ulong base)
+void reset_timer_masked(void)
 {
-       return get_timer_masked () - base;
+	/* capture current timestamp counter */
+	gd->lastinc = readl(IXP425_OSTS_B);
+	/* start "advancing" time stamp from 0 */
+	gd->timestamp = 0;
 }
 
-void ixp425_udelay(unsigned long usec)
+void reset_timer(void)
 {
-	/*
-	 * This function has a max usec, but since it is called from udelay
-	 * we should not have to worry... be happy
-	 */
-	unsigned long usecs = CONFIG_SYS_HZ/1000000L & ~IXP425_OST_RELOAD_MASK;
-
-	*IXP425_OSST = IXP425_OSST_TIMER_1_PEND;
-	usecs |= IXP425_OST_ONE_SHOT | IXP425_OST_ENABLE;
-	*IXP425_OSRT1 = usecs;
-	while (!(*IXP425_OSST & IXP425_OSST_TIMER_1_PEND));
+	reset_timer_masked();
 }
 
-void __udelay (unsigned long usec)
+ulong get_timer_masked(void)
 {
-	while (usec--) ixp425_udelay(1);
+	return tick_to_time(get_ticks());
 }
 
-static ulong reload_constant = 0xfffffff0;
-
-void reset_timer_masked (void)
+ulong get_timer(ulong base)
 {
-	ulong reload = reload_constant | IXP425_OST_ONE_SHOT | IXP425_OST_ENABLE;
+	return get_timer_masked() - base;
+}
 
-	*IXP425_OSST = IXP425_OSST_TIMER_1_PEND;
-	*IXP425_OSRT1 = reload;
+void set_timer(ulong t)
+{
+	gd->timestamp = time_to_tick(t);
 }
 
-ulong get_timer_masked (void)
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
 {
-	/*
-	 * Note that it is possible for this to wrap!
-	 * In this case we return max.
-	 */
-	ulong current = *IXP425_OST1;
-	if (*IXP425_OSST & IXP425_OSST_TIMER_1_PEND)
-	{
-		return reload_constant;
-	}
-	return (reload_constant - current);
+	unsigned long long tmp;
+
+	tmp = get_ticks() + us_to_tick(usec);
+
+	while (get_ticks() < tmp)
+		;
 }
 
 int timer_init(void)
 {
+	writel(IXP425_OSST_TIMER_TS_PEND, IXP425_OSST);
 	return 0;
 }
-#endif
diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds
index 3587f8a..7199de4 100644
--- a/arch/arm/cpu/ixp/u-boot.lds
+++ b/arch/arm/cpu/ixp/u-boot.lds
@@ -31,8 +31,8 @@ SECTIONS
 	. = ALIGN(4);
 	.text :
 	{
-		arch/arm/cpu/ixp/start.o(.text)
-		*(.text)
+		arch/arm/cpu/ixp/start.o(.text*)
+		*(.text*)
 	}
 
 	. = ALIGN(4);
@@ -40,7 +40,7 @@ SECTIONS
 
 	. = ALIGN(4);
 	.data : {
-		*(.data)
+		*(.data*)
 	}
 
 	. = ALIGN(4);
@@ -67,7 +67,7 @@ SECTIONS
 
 	.bss __rel_dyn_start (OVERLAY) : {
 		__bss_start = .;
-		*(.bss)
+		*(.bss*)
 		 . = ALIGN(4);
 		__bss_end__ = .;
 	}