Merge branch 'master' of git://git.denx.de/u-boot-blackfin into powerpc-eldk53-warning-fixes

20 files changed, 290 insertions, 702 deletions

diff --git a/arch/blackfin/cpu/Makefile b/arch/blackfin/cpu/Makefile
index 0a72ec5..1421cb2 100644
--- a/arch/blackfin/cpu/Makefile
+++ b/arch/blackfin/cpu/Makefile
@@ -18,14 +18,12 @@ CEXTRA   := initcode.o
 SEXTRA   := start.o
 SOBJS    := interrupt.o cache.o
 COBJS-y  += cpu.o
-COBJS-y  += gpio.o
+COBJS-$(CONFIG_ADI_GPIO1) += gpio.o
 COBJS-y  += interrupts.o
 COBJS-$(CONFIG_JTAG_CONSOLE) += jtag-console.o
 COBJS-y  += os_log.o
 COBJS-y  += reset.o
-COBJS-y  += serial.o
 COBJS-y  += traps.o
-COBJS-$(CONFIG_HW_WATCHDOG)  += watchdog.o
 
 SRCS     := $(SEXTRA:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
 OBJS     := $(addprefix $(obj),$(COBJS-y) $(SOBJS))
diff --git a/arch/blackfin/cpu/cpu.c b/arch/blackfin/cpu/cpu.c
index 0be2e2b..218f57e 100644
--- a/arch/blackfin/cpu/cpu.c
+++ b/arch/blackfin/cpu/cpu.c
@@ -16,13 +16,39 @@
 #include <asm/mach-common/bits/core.h>
 #include <asm/mach-common/bits/ebiu.h>
 #include <asm/mach-common/bits/trace.h>
+#include <asm/serial.h>
 
 #include "cpu.h"
-#include "serial.h"
 #include "initcode.h"
 
 ulong bfin_poweron_retx;
 
+#if defined(CONFIG_CORE1_RUN) && defined(COREB_L1_CODE_START)
+void bfin_core1_start(void)
+{
+#ifdef BF561_FAMILY
+	/* Enable core 1 */
+	bfin_write_SYSCR(bfin_read_SYSCR() & ~0x0020);
+#else
+	/* Enable core 1 */
+	bfin_write32(RCU0_SVECT1, COREB_L1_CODE_START);
+	bfin_write32(RCU0_CRCTL, 0);
+
+	bfin_write32(RCU0_CRCTL, 0x2);
+
+	/* Check if core 1 starts */
+	while (!(bfin_read32(RCU0_CRSTAT) & 0x2))
+		continue;
+
+	bfin_write32(RCU0_CRCTL, 0);
+
+	/* flag to notify cces core 1 application */
+	bfin_write32(SDU0_MSG_SET, (1 << 19));
+#endif
+}
+#endif
+
+__attribute__ ((__noreturn__))
 void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
 {
 #ifndef CONFIG_BFIN_BOOTROM_USES_EVT1
@@ -72,6 +98,10 @@ void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
 # endif
 #endif
 
+#if defined(CONFIG_CORE1_RUN) && defined(COREB_L1_CODE_START)
+	bfin_core1_start();
+#endif
+
 	serial_early_puts("Board init flash\n");
 	board_init_f(bootflag);
 }
diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c
index f684be5..f74a0b7 100644
--- a/arch/blackfin/cpu/gpio.c
+++ b/arch/blackfin/cpu/gpio.c
@@ -1,5 +1,6 @@
 /*
- * GPIO Abstraction Layer
+ * ADI GPIO1 Abstraction Layer
+ * Support BF50x, BF51x, BF52x, BF53x and BF561 only.
  *
  * Copyright 2006-2010 Analog Devices Inc.
  *
@@ -55,25 +56,6 @@ static struct gpio_port_t * const gpio_array[] = {
 	(struct gpio_port_t *) FIO0_FLAG_D,
 	(struct gpio_port_t *) FIO1_FLAG_D,
 	(struct gpio_port_t *) FIO2_FLAG_D,
-#elif defined(CONFIG_BF54x)
-	(struct gpio_port_t *)PORTA_FER,
-	(struct gpio_port_t *)PORTB_FER,
-	(struct gpio_port_t *)PORTC_FER,
-	(struct gpio_port_t *)PORTD_FER,
-	(struct gpio_port_t *)PORTE_FER,
-	(struct gpio_port_t *)PORTF_FER,
-	(struct gpio_port_t *)PORTG_FER,
-	(struct gpio_port_t *)PORTH_FER,
-	(struct gpio_port_t *)PORTI_FER,
-	(struct gpio_port_t *)PORTJ_FER,
-#elif defined(CONFIG_BF60x)
-	(struct gpio_port_t *)PORTA_FER,
-	(struct gpio_port_t *)PORTB_FER,
-	(struct gpio_port_t *)PORTC_FER,
-	(struct gpio_port_t *)PORTD_FER,
-	(struct gpio_port_t *)PORTE_FER,
-	(struct gpio_port_t *)PORTF_FER,
-	(struct gpio_port_t *)PORTG_FER,
 #else
 # error no gpio arrays defined
 #endif
@@ -174,12 +156,6 @@ DECLARE_RESERVED_MAP(peri, gpio_bank(MAX_RESOURCES));
 
 inline int check_gpio(unsigned gpio)
 {
-#if defined(CONFIG_BF54x)
-	if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15
-	    || gpio == GPIO_PH14 || gpio == GPIO_PH15
-	    || gpio == GPIO_PJ14 || gpio == GPIO_PJ15)
-		return -EINVAL;
-#endif
 	if (gpio >= MAX_BLACKFIN_GPIOS)
 		return -EINVAL;
 	return 0;
@@ -218,18 +194,6 @@ static void port_setup(unsigned gpio, unsigned short usage)
 	else
 		*port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
 	SSYNC();
-#elif defined(CONFIG_BF54x)
-	if (usage == GPIO_USAGE)
-		gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio);
-	else
-		gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
-	SSYNC();
-#elif defined(CONFIG_BF60x)
-	if (usage == GPIO_USAGE)
-		gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio);
-	else
-		gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio);
-	SSYNC();
 #endif
 }
 
@@ -304,30 +268,6 @@ static void portmux_setup(unsigned short per)
 		}
 	}
 }
-#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
-inline void portmux_setup(unsigned short per)
-{
-	u32 pmux;
-	u16 ident = P_IDENT(per);
-	u16 function = P_FUNCT2MUX(per);
-
-	pmux = gpio_array[gpio_bank(ident)]->port_mux;
-
-	pmux &= ~(0x3 << (2 * gpio_sub_n(ident)));
-	pmux |= (function & 0x3) << (2 * gpio_sub_n(ident));
-
-	gpio_array[gpio_bank(ident)]->port_mux = pmux;
-}
-
-inline u16 get_portmux(unsigned short per)
-{
-	u32 pmux;
-	u16 ident = P_IDENT(per);
-
-	pmux = gpio_array[gpio_bank(ident)]->port_mux;
-
-	return (pmux >> (2 * gpio_sub_n(ident)) & 0x3);
-}
 #elif defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
 inline void portmux_setup(unsigned short per)
 {
@@ -344,7 +284,6 @@ inline void portmux_setup(unsigned short per)
 # define portmux_setup(...)  do { } while (0)
 #endif
 
-#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
 /***********************************************************
 *
 * FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -491,15 +430,6 @@ GET_GPIO_P(both)
 GET_GPIO_P(maska)
 GET_GPIO_P(maskb)
 
-#else /* CONFIG_BF54x */
-
-unsigned short get_gpio_dir(unsigned gpio)
-{
-	return (0x01 & (gpio_array[gpio_bank(gpio)]->dir_clear >> gpio_sub_n(gpio)));
-}
-
-#endif /* CONFIG_BF54x */
-
 /***********************************************************
 *
 * FUNCTIONS:	Blackfin Peripheral Resource Allocation
@@ -548,11 +478,7 @@ int peripheral_request(unsigned short per, const char *label)
 		 * be requested and used by several drivers
 		 */
 
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
-		if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
-#else
 		if (!(per & P_MAYSHARE)) {
-#endif
 			/*
 			 * Allow that the identical pin function can
 			 * be requested from the same driver twice
@@ -641,7 +567,7 @@ void peripheral_free_list(const unsigned short per[])
 * MODIFICATION HISTORY :
 **************************************************************/
 
-int bfin_gpio_request(unsigned gpio, const char *label)
+int gpio_request(unsigned gpio, const char *label)
 {
 	if (check_gpio(gpio) < 0)
 		return -EINVAL;
@@ -665,11 +591,9 @@ int bfin_gpio_request(unsigned gpio, const char *label)
 		       gpio, get_label(gpio));
 		return -EBUSY;
 	}
-#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
 	else {	/* Reset POLAR setting when acquiring a gpio for the first time */
 		set_gpio_polar(gpio, 0);
 	}
-#endif
 
 	reserve(gpio, gpio);
 	set_label(gpio, label);
@@ -679,27 +603,27 @@ int bfin_gpio_request(unsigned gpio, const char *label)
 	return 0;
 }
 
-#ifdef CONFIG_BFIN_GPIO_TRACK
-void bfin_gpio_free(unsigned gpio)
+int gpio_free(unsigned gpio)
 {
 	if (check_gpio(gpio) < 0)
-		return;
+		return -1;
 
 	if (unlikely(!is_reserved(gpio, gpio, 0))) {
 		gpio_error(gpio);
-		return;
+		return -1;
 	}
 
 	unreserve(gpio, gpio);
 
 	set_label(gpio, "free");
+
+	return 0;
 }
-#endif
 
-#ifdef BFIN_SPECIAL_GPIO_BANKS
+#ifdef ADI_SPECIAL_GPIO_BANKS
 DECLARE_RESERVED_MAP(special_gpio, gpio_bank(MAX_RESOURCES));
 
-int bfin_special_gpio_request(unsigned gpio, const char *label)
+int special_gpio_request(unsigned gpio, const char *label)
 {
 	/*
 	 * Allow that the identical GPIO can
@@ -731,7 +655,7 @@ int bfin_special_gpio_request(unsigned gpio, const char *label)
 	return 0;
 }
 
-void bfin_special_gpio_free(unsigned gpio)
+void special_gpio_free(unsigned gpio)
 {
 	if (unlikely(!is_reserved(special_gpio, gpio, 0))) {
 		gpio_error(gpio);
@@ -744,21 +668,13 @@ void bfin_special_gpio_free(unsigned gpio)
 }
 #endif
 
-static inline void __bfin_gpio_direction_input(unsigned gpio)
+static inline void __gpio_direction_input(unsigned gpio)
 {
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
-	gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
-#else
 	gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
-#endif
-#if defined(CONFIG_BF60x)
-	gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
-#else
 	gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
-#endif
 }
 
-int bfin_gpio_direction_input(unsigned gpio)
+int gpio_direction_input(unsigned gpio)
 {
 	unsigned long flags;
 
@@ -768,31 +684,24 @@ int bfin_gpio_direction_input(unsigned gpio)
 	}
 
 	local_irq_save(flags);
-	__bfin_gpio_direction_input(gpio);
+	__gpio_direction_input(gpio);
 	AWA_DUMMY_READ(inen);
 	local_irq_restore(flags);
 
 	return 0;
 }
 
-void bfin_gpio_toggle_value(unsigned gpio)
-{
-#ifdef CONFIG_BF54x
-	gpio_set_value(gpio, !gpio_get_value(gpio));
-#else
-	gpio_array[gpio_bank(gpio)]->toggle = gpio_bit(gpio);
-#endif
-}
-
-void bfin_gpio_set_value(unsigned gpio, int arg)
+int gpio_set_value(unsigned gpio, int arg)
 {
 	if (arg)
 		gpio_array[gpio_bank(gpio)]->data_set = gpio_bit(gpio);
 	else
 		gpio_array[gpio_bank(gpio)]->data_clear = gpio_bit(gpio);
+
+	return 0;
 }
 
-int bfin_gpio_direction_output(unsigned gpio, int value)
+int gpio_direction_output(unsigned gpio, int value)
 {
 	unsigned long flags;
 
@@ -803,17 +712,9 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
 
 	local_irq_save(flags);
 
-#if defined(CONFIG_BF60x)
-	gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
-#else
 	gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
-#endif
 	gpio_set_value(gpio, value);
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
-	gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
-#else
 	gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
-#endif
 
 	AWA_DUMMY_READ(dir);
 	local_irq_restore(flags);
@@ -821,11 +722,8 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
 	return 0;
 }
 
-int bfin_gpio_get_value(unsigned gpio)
+int gpio_get_value(unsigned gpio)
 {
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
-	return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
-#else
 	unsigned long flags;
 
 	if (unlikely(get_gpio_edge(gpio))) {
@@ -838,7 +736,6 @@ int bfin_gpio_get_value(unsigned gpio)
 		return ret;
 	} else
 		return get_gpio_data(gpio);
-#endif
 }
 
 /* If we are booting from SPI and our board lacks a strong enough pull up,
@@ -860,8 +757,7 @@ void bfin_reset_boot_spi_cs(unsigned short pin)
 	udelay(1);
 }
 
-#ifdef CONFIG_BFIN_GPIO_TRACK
-void bfin_gpio_labels(void)
+void gpio_labels(void)
 {
 	int c, gpio;
 
@@ -877,4 +773,3 @@ void bfin_gpio_labels(void)
 			continue;
 	}
 }
-#endif
diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c
index 1a06680..ffaf101 100644
--- a/arch/blackfin/cpu/initcode.c
+++ b/arch/blackfin/cpu/initcode.c
@@ -13,12 +13,12 @@
 
 #include <config.h>
 #include <asm/blackfin.h>
+#include <asm/mach-common/bits/watchdog.h>
 #include <asm/mach-common/bits/bootrom.h>
 #include <asm/mach-common/bits/core.h>
+#include <asm/serial.h>
 
-#define BUG() while (1) { asm volatile("emuexcpt;"); }
-
-#include "serial.h"
+#define BUG() while (1) asm volatile("emuexcpt;");
 
 #ifndef __ADSPBF60x__
 #include <asm/mach-common/bits/ebiu.h>
@@ -193,17 +193,12 @@ static inline void serial_init(void)
 	}
 #endif
 
+#if CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS
 	if (BFIN_DEBUG_EARLY_SERIAL) {
-		int enabled = serial_early_enabled(uart_base);
-
 		serial_early_init(uart_base);
-
-		/* If the UART is off, that means we need to program
-		 * the baud rate ourselves initially.
-		 */
-		if (!enabled)
-			serial_early_set_baud(uart_base, CONFIG_BAUDRATE);
+		serial_early_set_baud(uart_base, CONFIG_BAUDRATE);
 	}
+#endif
 }
 
 __attribute__((always_inline))
@@ -262,7 +257,8 @@ program_nmi_handler(void)
 		"%1 = RETS;" /* Load addr of NMI handler */
 		"RETS = %0;" /* Restore RETS */
 		"[%2] = %1;" /* Write NMI handler */
-		: "=r"(tmp1), "=r"(tmp2) : "ab"(EVT2)
+		: "=d"(tmp1), "=d"(tmp2)
+		: "ab"(EVT2)
 	);
 }
 
@@ -462,19 +458,29 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB)
 	if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS) {
 		serial_putc('e');
 #ifdef __ADSPBF60x__
+		/* Reset system event controller */
 		bfin_write_SEC_GCTL(0x2);
+		bfin_write_SEC_CCTL(0x2);
 		SSYNC();
+
+		/* Enable fault event input and system reset action in fault
+		 * controller. Route watchdog timeout event to fault interface.
+		 */
 		bfin_write_SEC_FCTL(0xc1);
+		/* Enable watchdog interrupt source */
 		bfin_write_SEC_SCTL(2, bfin_read_SEC_SCTL(2) | 0x6);
-
-		bfin_write_SEC_CCTL(0x2);
 		SSYNC();
+
+		/* Enable system event controller */
 		bfin_write_SEC_GCTL(0x1);
 		bfin_write_SEC_CCTL(0x1);
+		SSYNC();
 #endif
+		bfin_write_WDOG_CTL(WDDIS);
+		SSYNC();
 		bfin_write_WDOG_CNT(MSEC_TO_SCLK(CONFIG_HW_WATCHDOG_TIMEOUT_INITCODE));
 #if CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART
-		bfin_write_WDOG_CTL(0);
+		bfin_write_WDOG_CTL(WDEN);
 #endif
 		serial_putc('f');
 	}
@@ -713,37 +719,32 @@ program_clocks(ADI_BOOT_DATA *bs, bool put_into_srfs)
 __attribute__((always_inline)) static inline void
 update_serial_clocks(ADI_BOOT_DATA *bs, uint sdivB, uint divB, uint vcoB)
 {
-	serial_putc('a');
-
 	/* Since we've changed the SCLK above, we may need to update
 	 * the UART divisors (UART baud rates are based on SCLK).
 	 * Do the division by hand as there are no native instructions
 	 * for dividing which means we'd generate a libgcc reference.
 	 */
-	if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_UART) {
-		unsigned int sdivR, vcoR;
-		int dividend = sdivB * divB * vcoR;
-		int divisor = vcoB * sdivR;
-		unsigned int quotient;
+	unsigned int sdivR, vcoR;
+	unsigned int dividend;
+	unsigned int divisor;
+	unsigned int quotient;
 
-		serial_putc('b');
+	serial_putc('a');
 
 #ifdef __ADSPBF60x__
-		sdivR = bfin_read_CGU_DIV();
-		sdivR = ((sdivR >> 8) & 0x1f) * ((sdivR >> 5) & 0x7);
-		vcoR = (bfin_read_CGU_CTL() >> 8) & 0x7f;
+	sdivR = bfin_read_CGU_DIV();
+	sdivR = ((sdivR >> 8) & 0x1f) * ((sdivR >> 5) & 0x7);
+	vcoR = (bfin_read_CGU_CTL() >> 8) & 0x7f;
 #else
-		sdivR = bfin_read_PLL_DIV() & 0xf;
-		vcoR = (bfin_read_PLL_CTL() >> 9) & 0x3f;
+	sdivR = bfin_read_PLL_DIV() & 0xf;
+	vcoR = (bfin_read_PLL_CTL() >> 9) & 0x3f;
 #endif
 
-		for (quotient = 0; dividend > 0; ++quotient)
-			dividend -= divisor;
-		serial_early_put_div(quotient - ANOMALY_05000230);
-		serial_putc('c');
-	}
-
-	serial_putc('d');
+	dividend = sdivB * divB * vcoR;
+	divisor = vcoB * sdivR;
+	quotient = early_division(dividend, divisor);
+	serial_early_put_div(quotient - ANOMALY_05000230);
+	serial_putc('c');
 }
 
 __attribute__((always_inline)) static inline void
diff --git a/arch/blackfin/cpu/serial.c b/arch/blackfin/cpu/serial.c
deleted file mode 100644
index 9847e9f..0000000
--- a/arch/blackfin/cpu/serial.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/*
- * U-boot - serial.c Blackfin Serial Driver
- *
- * Copyright (c) 2005-2008 Analog Devices Inc.
- *
- * Copyright (c) 2003	Bas Vermeulen <bas@buyways.nl>,
- *			BuyWays B.V. (www.buyways.nl)
- *
- * Based heavily on:
- * blkfinserial.c: Serial driver for BlackFin DSP internal USRTs.
- * Copyright(c) 2003	Metrowerks	<mwaddel@metrowerks.com>
- * Copyright(c)	2001	Tony Z. Kou	<tonyko@arcturusnetworks.com>
- * Copyright(c)	2001-2002 Arcturus Networks Inc. <www.arcturusnetworks.com>
- *
- * Based on code from 68328 version serial driver imlpementation which was:
- * Copyright (C) 1995       David S. Miller    <davem@caip.rutgers.edu>
- * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
- * Copyright (C) 1998, 1999 D. Jeff Dionne     <jeff@uclinux.org>
- * Copyright (C) 1999       Vladimir Gurevich  <vgurevic@cisco.com>
- *
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Licensed under the GPL-2 or later.
- */
-
-/* Anomaly notes:
- *  05000086 - we don't support autobaud
- *  05000099 - we only use DR bit, so losing others is not a problem
- *  05000100 - we don't use the UART_IIR register
- *  05000215 - we poll the uart (no dma/interrupts)
- *  05000225 - no workaround possible, but this shouldnt cause errors ...
- *  05000230 - we tweak the baud rate calculation slightly
- *  05000231 - we always use 1 stop bit
- *  05000309 - we always enable the uart before we modify it in anyway
- *  05000350 - we always enable the uart regardless of boot mode
- *  05000363 - we don't support break signals, so don't generate one
- */
-
-#include <common.h>
-#include <post.h>
-#include <watchdog.h>
-#include <serial.h>
-#include <linux/compiler.h>
-#include <asm/blackfin.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_UART_CONSOLE
-
-#include "serial.h"
-
-#ifdef CONFIG_DEBUG_SERIAL
-static uart_lsr_t cached_lsr[256];
-static uart_lsr_t cached_rbr[256];
-static size_t cache_count;
-
-/* The LSR is read-to-clear on some parts, so we have to make sure status
- * bits aren't inadvertently lost when doing various tests.  This also
- * works around anomaly 05000099 at the same time by keeping a cumulative
- * tally of all the status bits.
- */
-static uart_lsr_t uart_lsr_save;
-static uart_lsr_t uart_lsr_read(uint32_t uart_base)
-{
-	uart_lsr_t lsr = _lsr_read(pUART);
-	uart_lsr_save |= (lsr & (OE|PE|FE|BI));
-	return lsr | uart_lsr_save;
-}
-/* Just do the clear for everyone since it can't hurt. */
-static void uart_lsr_clear(uint32_t uart_base)
-{
-	uart_lsr_save = 0;
-	_lsr_write(pUART, -1);
-}
-#else
-/* When debugging is disabled, we only care about the DR bit, so if other
- * bits get set/cleared, we don't really care since we don't read them
- * anyways (and thus anomaly 05000099 is irrelevant).
- */
-static inline uart_lsr_t uart_lsr_read(uint32_t uart_base)
-{
-	return _lsr_read(pUART);
-}
-static void uart_lsr_clear(uint32_t uart_base)
-{
-	_lsr_write(pUART, -1);
-}
-#endif
-
-static void uart_putc(uint32_t uart_base, const char c)
-{
-	/* send a \r for compatibility */
-	if (c == '\n')
-		serial_putc('\r');
-
-	WATCHDOG_RESET();
-
-	/* wait for the hardware fifo to clear up */
-	while (!(uart_lsr_read(uart_base) & THRE))
-		continue;
-
-	/* queue the character for transmission */
-	bfin_write(&pUART->thr, c);
-	SSYNC();
-
-	WATCHDOG_RESET();
-}
-
-static int uart_tstc(uint32_t uart_base)
-{
-	WATCHDOG_RESET();
-	return (uart_lsr_read(uart_base) & DR) ? 1 : 0;
-}
-
-static int uart_getc(uint32_t uart_base)
-{
-	uint16_t uart_rbr_val;
-
-	/* wait for data ! */
-	while (!uart_tstc(uart_base))
-		continue;
-
-	/* grab the new byte */
-	uart_rbr_val = bfin_read(&pUART->rbr);
-
-#ifdef CONFIG_DEBUG_SERIAL
-	/* grab & clear the LSR */
-	uart_lsr_t uart_lsr_val = uart_lsr_read(uart_base);
-
-	cached_lsr[cache_count] = uart_lsr_val;
-	cached_rbr[cache_count] = uart_rbr_val;
-	cache_count = (cache_count + 1) % ARRAY_SIZE(cached_lsr);
-
-	if (uart_lsr_val & (OE|PE|FE|BI)) {
-		printf("\n[SERIAL ERROR]\n");
-		do {
-			--cache_count;
-			printf("\t%3zu: RBR=0x%02x LSR=0x%02x\n", cache_count,
-				cached_rbr[cache_count], cached_lsr[cache_count]);
-		} while (cache_count > 0);
-		return -1;
-	}
-#endif
-	uart_lsr_clear(uart_base);
-
-	return uart_rbr_val;
-}
-
-#if CONFIG_POST & CONFIG_SYS_POST_UART
-# define LOOP(x) x
-#else
-# define LOOP(x)
-#endif
-
-#if BFIN_UART_HW_VER < 4
-
-LOOP(
-static void uart_loop(uint32_t uart_base, int state)
-{
-	u16 mcr;
-
-	/* Drain the TX fifo first so bytes don't come back */
-	while (!(uart_lsr_read(uart_base) & TEMT))
-		continue;
-
-	mcr = bfin_read(&pUART->mcr);
-	if (state)
-		mcr |= LOOP_ENA | MRTS;
-	else
-		mcr &= ~(LOOP_ENA | MRTS);
-	bfin_write(&pUART->mcr, mcr);
-}
-)
-
-#else
-
-LOOP(
-static void uart_loop(uint32_t uart_base, int state)
-{
-	u32 control;
-
-	/* Drain the TX fifo first so bytes don't come back */
-	while (!(uart_lsr_read(uart_base) & TEMT))
-		continue;
-
-	control = bfin_read(&pUART->control);
-	if (state)
-		control |= LOOP_ENA | MRTS;
-	else
-		control &= ~(LOOP_ENA | MRTS);
-	bfin_write(&pUART->control, control);
-}
-)
-
-#endif
-
-#ifdef CONFIG_SYS_BFIN_UART
-
-static void uart_puts(uint32_t uart_base, const char *s)
-{
-	while (*s)
-		uart_putc(uart_base, *s++);
-}
-
-#define DECL_BFIN_UART(n) \
-static int uart##n##_init(void) \
-{ \
-	const unsigned short pins[] = { _P_UART(n, RX), _P_UART(n, TX), 0, }; \
-	peripheral_request_list(pins, "bfin-uart"); \
-	uart_init(MMR_UART(n)); \
-	serial_early_set_baud(MMR_UART(n), gd->baudrate); \
-	uart_lsr_clear(MMR_UART(n)); \
-	return 0; \
-} \
-\
-static int uart##n##_uninit(void) \
-{ \
-	return serial_early_uninit(MMR_UART(n)); \
-} \
-\
-static void uart##n##_setbrg(void) \
-{ \
-	serial_early_set_baud(MMR_UART(n), gd->baudrate); \
-} \
-\
-static int uart##n##_getc(void) \
-{ \
-	return uart_getc(MMR_UART(n)); \
-} \
-\
-static int uart##n##_tstc(void) \
-{ \
-	return uart_tstc(MMR_UART(n)); \
-} \
-\
-static void uart##n##_putc(const char c) \
-{ \
-	uart_putc(MMR_UART(n), c); \
-} \
-\
-static void uart##n##_puts(const char *s) \
-{ \
-	uart_puts(MMR_UART(n), s); \
-} \
-\
-LOOP( \
-static void uart##n##_loop(int state) \
-{ \
-	uart_loop(MMR_UART(n), state); \
-} \
-) \
-\
-struct serial_device bfin_serial##n##_device = { \
-	.name   = "bfin_uart"#n, \
-	.start  = uart##n##_init, \
-	.stop   = uart##n##_uninit, \
-	.setbrg = uart##n##_setbrg, \
-	.getc   = uart##n##_getc, \
-	.tstc   = uart##n##_tstc, \
-	.putc   = uart##n##_putc, \
-	.puts   = uart##n##_puts, \
-	LOOP(.loop = uart##n##_loop) \
-};
-
-#ifdef UART0_RBR
-DECL_BFIN_UART(0)
-#endif
-#ifdef UART1_RBR
-DECL_BFIN_UART(1)
-#endif
-#ifdef UART2_RBR
-DECL_BFIN_UART(2)
-#endif
-#ifdef UART3_RBR
-DECL_BFIN_UART(3)
-#endif
-
-__weak struct serial_device *default_serial_console(void)
-{
-#if CONFIG_UART_CONSOLE == 0
-	return &bfin_serial0_device;
-#elif CONFIG_UART_CONSOLE == 1
-	return &bfin_serial1_device;
-#elif CONFIG_UART_CONSOLE == 2
-	return &bfin_serial2_device;
-#elif CONFIG_UART_CONSOLE == 3
-	return &bfin_serial3_device;
-#endif
-}
-
-void bfin_serial_initialize(void)
-{
-#ifdef UART0_RBR
-	serial_register(&bfin_serial0_device);
-#endif
-#ifdef UART1_RBR
-	serial_register(&bfin_serial1_device);
-#endif
-#ifdef UART2_RBR
-	serial_register(&bfin_serial2_device);
-#endif
-#ifdef UART3_RBR
-	serial_register(&bfin_serial3_device);
-#endif
-}
-
-#else
-
-/* Symbol for our assembly to call. */
-void serial_set_baud(uint32_t baud)
-{
-	serial_early_set_baud(UART_BASE, baud);
-}
-
-/* Symbol for common u-boot code to call.
- * Setup the baudrate (brg: baudrate generator).
- */
-void serial_setbrg(void)
-{
-	serial_set_baud(gd->baudrate);
-}
-
-/* Symbol for our assembly to call. */
-void serial_initialize(void)
-{
-	serial_early_init(UART_BASE);
-}
-
-/* Symbol for common u-boot code to call. */
-int serial_init(void)
-{
-	serial_initialize();
-	serial_setbrg();
-	uart_lsr_clear(UART_BASE);
-	return 0;
-}
-
-int serial_tstc(void)
-{
-	return uart_tstc(UART_BASE);
-}
-
-int serial_getc(void)
-{
-	return uart_getc(UART_BASE);
-}
-
-void serial_putc(const char c)
-{
-	uart_putc(UART_BASE, c);
-}
-
-void serial_puts(const char *s)
-{
-	while (*s)
-		serial_putc(*s++);
-}
-
-LOOP(
-void serial_loop(int state)
-{
-	uart_loop(UART_BASE, state);
-}
-)
-
-#endif
-
-#endif
diff --git a/arch/blackfin/cpu/start.S b/arch/blackfin/cpu/start.S
index 7155fc8..da084a8 100644
--- a/arch/blackfin/cpu/start.S
+++ b/arch/blackfin/cpu/start.S
@@ -32,10 +32,10 @@
 
 #include <config.h>
 #include <asm/blackfin.h>
+#include <asm/mach-common/bits/watchdog.h>
 #include <asm/mach-common/bits/core.h>
 #include <asm/mach-common/bits/pll.h>
-
-#include "serial.h"
+#include <asm/serial.h>
 
 /* It may seem odd that we make calls to functions even though we haven't
  * relocated ourselves yet out of {flash,ram,wherever}.  This is OK because
@@ -65,20 +65,29 @@ ENTRY(_start)
 	p5.h = HI(COREMMR_BASE);
 
 #ifdef CONFIG_HW_WATCHDOG
-#ifndef __ADSPBF60x__
-# ifndef CONFIG_HW_WATCHDOG_TIMEOUT_START
-#  define CONFIG_HW_WATCHDOG_TIMEOUT_START 5000
-# endif
-	/* Program the watchdog with an initial timeout of ~5 seconds.
+	/* Program the watchdog with default timeout of ~5 seconds.
 	 * That should be long enough to bootstrap ourselves up and
 	 * then the common u-boot code can take over.
 	 */
+	r1 = WDDIS;
+# ifdef __ADSPBF60x__
+	[p4 + (WDOG_CTL - SYSMMR_BASE)] = r1;
+# else
+	W[p4 + (WDOG_CTL - SYSMMR_BASE)] = r1;
+# endif
+	SSYNC;
 	r0 = 0;
-	r0.h = HI(MSEC_TO_SCLK(CONFIG_HW_WATCHDOG_TIMEOUT_START));
+	r0.h = HI(MSEC_TO_SCLK(CONFIG_WATCHDOG_TIMEOUT_MSECS));
 	[p4 + (WDOG_CNT - SYSMMR_BASE)] = r0;
+	SSYNC;
+	r1 = WDEN;
 	/* fire up the watchdog - R0.L above needs to be 0x0000 */
-	W[p4 + (WDOG_CTL - SYSMMR_BASE)] = r0;
-#endif
+# ifdef __ADSPBF60x__
+	[p4 + (WDOG_CTL - SYSMMR_BASE)] = r1;
+# else
+	W[p4 + (WDOG_CTL - SYSMMR_BASE)] = r1;
+# endif
+	SSYNC;
 #endif
 
 	/* Turn on the serial for debugging the init process */
diff --git a/arch/blackfin/cpu/watchdog.c b/arch/blackfin/cpu/watchdog.c
deleted file mode 100644
index 1886bda..0000000
--- a/arch/blackfin/cpu/watchdog.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * watchdog.c - driver for Blackfin on-chip watchdog
- *
- * Copyright (c) 2007-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <watchdog.h>
-#include <asm/blackfin.h>
-
-void hw_watchdog_reset(void)
-{
-	bfin_write_WDOG_STAT(0);
-}
-
-void hw_watchdog_init(void)
-{
-	bfin_write_WDOG_CNT(5 * get_sclk());	/* 5 second timeout */
-	hw_watchdog_reset();
-	bfin_write_WDOG_CTL(0x0);
-}
diff --git a/arch/blackfin/include/asm/clock.h b/arch/blackfin/include/asm/clock.h
new file mode 100644
index 0000000..f1fcd40
--- /dev/null
+++ b/arch/blackfin/include/asm/clock.h
@@ -0,0 +1,78 @@
+
+/*
+ * Copyright (C) 2012 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __CLOCK_H__
+#define __CLOCK_H__
+
+#include <asm/blackfin.h>
+#ifdef PLL_CTL
+#include <asm/mach-common/bits/pll.h>
+# define pll_is_bypassed() (bfin_read_PLL_CTL() & BYPASS)
+#else
+#include <asm/mach-common/bits/cgu.h>
+# define pll_is_bypassed() (bfin_read_CGU_STAT() & PLLBP)
+# define bfin_read_PLL_CTL() bfin_read_CGU_CTL()
+# define bfin_read_PLL_DIV() bfin_read_CGU_DIV()
+# define SSEL SYSSEL
+# define SSEL_P SYSSEL_P
+#endif
+
+__attribute__((always_inline))
+static inline uint32_t early_division(uint32_t dividend, uint32_t divisor)
+{
+	uint32_t quotient;
+	uint32_t i, j;
+
+	for (quotient = 1, i = 1; dividend > divisor; ++i) {
+		j = divisor << i;
+		if (j > dividend || (j & 0x80000000)) {
+			--i;
+			quotient += (1 << i);
+			dividend -= (divisor << i);
+			i = 0;
+		}
+	}
+
+	return quotient;
+}
+
+__attribute__((always_inline))
+static inline uint32_t early_get_uart_clk(void)
+{
+	uint32_t msel, pll_ctl, vco;
+	uint32_t div, ssel, sclk, uclk;
+
+	pll_ctl = bfin_read_PLL_CTL();
+	msel = (pll_ctl & MSEL) >> MSEL_P;
+	if (msel == 0)
+		msel = (MSEL >> MSEL_P) + 1;
+
+	vco = (CONFIG_CLKIN_HZ >> (pll_ctl & DF)) * msel;
+	sclk = vco;
+	if (!pll_is_bypassed()) {
+		div = bfin_read_PLL_DIV();
+		ssel = (div & SSEL) >> SSEL_P;
+#if CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS
+		sclk = vco/ssel;
+#else
+		sclk = early_division(vco, ssel);
+#endif
+	}
+	uclk = sclk;
+#ifdef CGU_DIV
+	ssel = (div & S0SEL) >> S0SEL_P;
+	uclk = early_division(sclk, ssel);
+#endif
+	return uclk;
+}
+
+#ifdef CGU_DIV
+# define get_uart_clk get_sclk0
+#else
+# define get_uart_clk get_sclk
+#endif
+
+#endif
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index ef1db6e..8a7c079 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -17,21 +17,21 @@
 
 struct dmasg_large {
 	void *next_desc_addr;
-	unsigned long start_addr;
-	unsigned short cfg;
-	unsigned short x_count;
-	short x_modify;
-	unsigned short y_count;
-	short y_modify;
+	u32 start_addr;
+	u16 cfg;
+	u16 x_count;
+	s16 x_modify;
+	u16 y_count;
+	s16 y_modify;
 } __attribute__((packed));
 
 struct dmasg {
-	unsigned long start_addr;
-	unsigned short cfg;
-	unsigned short x_count;
-	short x_modify;
-	unsigned short y_count;
-	short y_modify;
+	u32 start_addr;
+	u16 cfg;
+	u16 x_count;
+	s16 x_modify;
+	u16 y_count;
+	s16 y_modify;
 } __attribute__((packed));
 
 struct dma_register {
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 05131b5..58a6191 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -7,6 +7,8 @@
 #ifndef __ARCH_BLACKFIN_GPIO_H__
 #define __ARCH_BLACKFIN_GPIO_H__
 
+#include <asm-generic/gpio.h>
+
 #define gpio_bank(x)	((x) >> 4)
 #define gpio_bit(x)	(1<<((x) & 0xF))
 #define gpio_sub_n(x)	((x) & 0xF)
@@ -65,10 +67,11 @@
 
 #define PERIPHERAL_USAGE 1
 #define GPIO_USAGE 0
+#define MAX_GPIOS MAX_BLACKFIN_GPIOS
 
 #ifndef __ASSEMBLY__
 
-#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
+#ifdef CONFIG_ADI_GPIO1
 void set_gpio_dir(unsigned, unsigned short);
 void set_gpio_inen(unsigned, unsigned short);
 void set_gpio_polar(unsigned, unsigned short);
@@ -140,61 +143,16 @@ struct gpio_port_t {
 };
 #endif
 
-#ifdef CONFIG_BFIN_GPIO_TRACK
-void bfin_gpio_labels(void);
-void bfin_gpio_free(unsigned gpio);
-#else
-#define bfin_gpio_labels()
-#define bfin_gpio_free(gpio)
-#define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio)
-#define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio)
-#endif
-
-#ifdef BFIN_SPECIAL_GPIO_BANKS
-void bfin_special_gpio_free(unsigned gpio);
-int bfin_special_gpio_request(unsigned gpio, const char *label);
+#ifdef ADI_SPECIAL_GPIO_BANKS
+void special_gpio_free(unsigned gpio);
+int special_gpio_request(unsigned gpio, const char *label);
 #endif
 
-int bfin_gpio_request(unsigned gpio, const char *label);
-int bfin_gpio_direction_input(unsigned gpio);
-int bfin_gpio_direction_output(unsigned gpio, int value);
-int bfin_gpio_get_value(unsigned gpio);
-void bfin_gpio_set_value(unsigned gpio, int value);
-void bfin_gpio_toggle_value(unsigned gpio);
-
-static inline int gpio_request(unsigned gpio, const char *label)
-{
-	return bfin_gpio_request(gpio, label);
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-	return bfin_gpio_free(gpio);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
-	return bfin_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
-	return bfin_gpio_direction_output(gpio, value);
-}
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	return bfin_gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	return bfin_gpio_set_value(gpio, value);
-}
+void gpio_labels(void);
 
 static inline int gpio_is_valid(int number)
 {
-	return number >= 0 && number < MAX_BLACKFIN_GPIOS;
+	return number >= 0 && number < MAX_GPIOS;
 }
 
 #include <linux/ctype.h>
@@ -248,7 +206,7 @@ static inline int name_to_gpio(const char *name)
 }
 #define name_to_gpio(n) name_to_gpio(n)
 
-#define gpio_status() bfin_gpio_labels()
+#define gpio_status() gpio_labels()
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/blackfin/include/asm/mach-bf561/BF561_def.h b/arch/blackfin/include/asm/mach-bf561/BF561_def.h
index a7ff5a3..8fd552f 100644
--- a/arch/blackfin/include/asm/mach-bf561/BF561_def.h
+++ b/arch/blackfin/include/asm/mach-bf561/BF561_def.h
@@ -714,4 +714,6 @@
 #define L1_INST_SRAM_SIZE (0xFFA03FFF - 0xFFA00000 + 1)
 #define L1_INST_SRAM_END (L1_INST_SRAM + L1_INST_SRAM_SIZE)
 
+#define COREB_L1_CODE_START       0xFF600000
+
 #endif /* __BFIN_DEF_ADSP_BF561_proc__ */
diff --git a/arch/blackfin/include/asm/mach-bf609/BF609_def.h b/arch/blackfin/include/asm/mach-bf609/BF609_def.h
index 8c1dcd0..02b81d3 100644
--- a/arch/blackfin/include/asm/mach-bf609/BF609_def.h
+++ b/arch/blackfin/include/asm/mach-bf609/BF609_def.h
@@ -128,6 +128,9 @@
 #define EMAC0_MACCFG      0xFFC20000 /* EMAC0 MAC Configuration Register */
 #define EMAC1_MACCFG      0xFFC22000 /* EMAC1 MAC Configuration Register */
 
+#define SPI0_REGBASE      0xFFC40400 /* SPI0 Base Address */
+#define SPI1_REGBASE      0xFFC40500 /* SPI1 Base Address */
+
 #define DMA10_DSCPTR_NXT  0xFFC05000 /* DMA10 Pointer to Next Initial Desc */
 #define DMA10_ADDRSTART   0xFFC05004 /* DMA10 Start Address of Current Buf */
 #define DMA10_CFG         0xFFC05008 /* DMA10 Configuration Register */
@@ -244,4 +247,6 @@
 #define L1_INST_SRAM_SIZE 0x8000
 #define L1_INST_SRAM_END (L1_INST_SRAM + L1_INST_SRAM_SIZE)
 
+#define COREB_L1_CODE_START       0xFF600000
+
 #endif /* __BFIN_DEF_ADSP_BF609_proc__ */
diff --git a/arch/blackfin/include/asm/portmux.h b/arch/blackfin/include/asm/portmux.h
index 300ef44..003694b 100644
--- a/arch/blackfin/include/asm/portmux.h
+++ b/arch/blackfin/include/asm/portmux.h
@@ -17,11 +17,6 @@
 #define P_MAYSHARE	0x2000
 #define P_DONTCARE	0x1000
 
-#ifndef CONFIG_BFIN_GPIO_TRACK
-#define peripheral_request(per, label) peripheral_request(per)
-#define peripheral_request_list(per, label) peripheral_request_list(per)
-#endif
-
 #ifndef __ASSEMBLY__
 
 int peripheral_request(unsigned short per, const char *label);
diff --git a/arch/blackfin/cpu/serial.h b/arch/blackfin/include/asm/serial.h
index 9200339..87a337d 100644
--- a/arch/blackfin/cpu/serial.h
+++ b/arch/blackfin/include/asm/serial.h
@@ -78,19 +78,31 @@ static inline void serial_early_puts(const char *s)
 #else
 
 .macro serial_early_init
-#ifdef CONFIG_DEBUG_EARLY_SERIAL
-	call _serial_initialize;
+#if defined(CONFIG_DEBUG_EARLY_SERIAL) && !defined(CONFIG_UART_MEM)
+	call __serial_early_init;
 #endif
 .endm
 
 .macro serial_early_set_baud
-#ifdef CONFIG_DEBUG_EARLY_SERIAL
+#if defined(CONFIG_DEBUG_EARLY_SERIAL) && !defined(CONFIG_UART_MEM)
 	R0.L = LO(CONFIG_BAUDRATE);
 	R0.H = HI(CONFIG_BAUDRATE);
-	call _serial_set_baud;
+	call __serial_early_set_baud;
 #endif
 .endm
 
+#if CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS
+#define update_serial_early_string_addr \
+	R1.L = _start; \
+	R1.H = _start; \
+	R0 = R0 - R1; \
+	R1.L = 0; \
+	R1.H = 0x2000; \
+	R0 = R0 + R1;
+#else
+#define update_serial_early_string_addr
+#endif
+
 /* Since we embed the string right into our .text section, we need
  * to find its address.  We do this by getting our PC and adding 2
  * bytes (which is the length of the jump instruction).  Then we
@@ -108,7 +120,8 @@ static inline void serial_early_puts(const char *s)
 	.previous; \
 	R0.L = 7b; \
 	R0.H = 7b; \
-	call _serial_puts;
+	update_serial_early_string_addr \
+	call _uart_early_puts;
 #else
 # define serial_early_puts(str)
 #endif
diff --git a/arch/blackfin/cpu/serial1.h b/arch/blackfin/include/asm/serial1.h
index a20175b..467d381 100644
--- a/arch/blackfin/cpu/serial1.h
+++ b/arch/blackfin/include/asm/serial1.h
@@ -15,6 +15,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/clock.h>
+
 #define MMR_UART(n) _PASTE_UART(n, UART, DLL)
 #ifdef UART_DLL
 # define UART0_DLL UART_DLL
@@ -230,19 +232,6 @@ static inline void serial_early_do_portmux(void)
 }
 
 __attribute__((always_inline))
-static inline uint32_t uart_sclk(void)
-{
-#if defined(BFIN_IN_INITCODE) || defined(CONFIG_DEBUG_EARLY_SERIAL)
-	/* We cannot use get_sclk() early on as it uses
-	 * caches in external memory
-	 */
-	return CONFIG_CLKIN_HZ * CONFIG_VCO_MULT / CONFIG_SCLK_DIV;
-#else
-	return get_sclk();
-#endif
-}
-
-__attribute__((always_inline))
 static inline int uart_init(uint32_t uart_base)
 {
 	/* always enable UART -- avoids anomalies 05000309 and 05000350 */
@@ -275,21 +264,8 @@ static inline int serial_early_uninit(uint32_t uart_base)
 }
 
 __attribute__((always_inline))
-static inline int serial_early_enabled(uint32_t uart_base)
+static inline void serial_set_divisor(uint32_t uart_base, uint16_t divisor)
 {
-	return bfin_read(&pUART->gctl) & UCEN;
-}
-
-__attribute__((always_inline))
-static inline void serial_early_set_baud(uint32_t uart_base, uint32_t baud)
-{
-	/* Translate from baud into divisor in terms of SCLK.  The
-	 * weird multiplication is to make sure we over sample just
-	 * a little rather than under sample the incoming signals.
-	 */
-	uint16_t divisor = (uart_sclk() + (baud * 8)) / (baud * 16) -
-			ANOMALY_05000230;
-
 	/* Set DLAB in LCR to Access DLL and DLH */
 	ACCESS_LATCH();
 	SSYNC();
@@ -305,6 +281,24 @@ static inline void serial_early_set_baud(uint32_t uart_base, uint32_t baud)
 }
 
 __attribute__((always_inline))
+static inline void serial_early_set_baud(uint32_t uart_base, uint32_t baud)
+{
+	/* Translate from baud into divisor in terms of SCLK.  The
+	 * weird multiplication is to make sure we over sample just
+	 * a little rather than under sample the incoming signals.
+	 */
+#if CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS
+	uint16_t divisor = (early_get_uart_clk() + baud * 8) / (baud * 16)
+			- ANOMALY_05000230;
+#else
+	uint16_t divisor = early_division(early_get_uart_clk() + (baud * 8),
+			baud * 16) - ANOMALY_05000230;
+#endif
+
+	serial_set_divisor(uart_base, divisor);
+}
+
+__attribute__((always_inline))
 static inline void serial_early_put_div(uint16_t divisor)
 {
 	uint32_t uart_base = UART_BASE;
diff --git a/arch/blackfin/cpu/serial4.h b/arch/blackfin/include/asm/serial4.h
index 887845c..6548396 100644
--- a/arch/blackfin/cpu/serial4.h
+++ b/arch/blackfin/include/asm/serial4.h
@@ -15,6 +15,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/clock.h>
+
 #define MMR_UART(n) _PASTE_UART(n, UART, REVID)
 #define UART_BASE MMR_UART(CONFIG_UART_CONSOLE)
 
@@ -84,20 +86,6 @@ static inline void serial_early_do_portmux(void)
 }
 
 __attribute__((always_inline))
-static inline uint32_t uart_sclk(void)
-{
-#if defined(BFIN_IN_INITCODE) || defined(CONFIG_DEBUG_EARLY_SERIAL)
-	/* We cannot use get_sclk() early on as it uses caches in
-	 * external memory
-	 */
-	return CONFIG_CLKIN_HZ * CONFIG_VCO_MULT / CONFIG_SCLK_DIV /
-		CONFIG_SCLK0_DIV;
-#else
-	return get_sclk0();
-#endif
-}
-
-__attribute__((always_inline))
 static inline int uart_init(uint32_t uart_base)
 {
 	/* always enable UART to 8-bit mode */
@@ -127,19 +115,20 @@ static inline int serial_early_uninit(uint32_t uart_base)
 }
 
 __attribute__((always_inline))
-static inline int serial_early_enabled(uint32_t uart_base)
+static inline void serial_set_divisor(uint32_t uart_base, uint16_t divisor)
 {
-	return bfin_read(&pUART->control) & UEN;
+	/* Program the divisor to get the baud rate we want */
+	bfin_write(&pUART->clock, divisor);
+	SSYNC();
 }
 
 __attribute__((always_inline))
 static inline void serial_early_set_baud(uint32_t uart_base, uint32_t baud)
 {
-	uint32_t divisor = uart_sclk() / (baud * 16);
+	uint16_t divisor = early_division(early_get_uart_clk(), baud * 16);
 
 	/* Program the divisor to get the baud rate we want */
-	bfin_write(&pUART->clock, divisor);
-	SSYNC();
+	serial_set_divisor(uart_base, divisor);
 }
 
 __attribute__((always_inline))
diff --git a/arch/blackfin/include/asm/soft_switch.h b/arch/blackfin/include/asm/soft_switch.h
new file mode 100644
index 0000000..ff8e44d
--- /dev/null
+++ b/arch/blackfin/include/asm/soft_switch.h
@@ -0,0 +1,18 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2008-2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __SOFT_SWITCH_H__
+#define __SOFT_SWITCH_H__
+
+#define IO_PORT_A              0
+#define IO_PORT_B              1
+#define IO_PORT_INPUT          0
+#define IO_PORT_OUTPUT         1
+
+int config_switch_bit(int num, int port, int bit, int dir, uchar value);
+#endif
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index ccea3b9..f1d5547 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -231,6 +231,8 @@ static int global_board_data_init(void)
 	bd->bi_sclk = get_sclk();
 	bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
 	bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+	bd->bi_baudrate = (gd->baudrate > 0)
+		? simple_strtoul(gd->baudrate, NULL, 10) : CONFIG_BAUDRATE;
 
 	return 0;
 }
@@ -277,9 +279,9 @@ void board_init_f(ulong bootflag)
 	dcache_enable();
 #endif
 
-#ifdef CONFIG_WATCHDOG
+#ifdef CONFIG_HW_WATCHDOG
 	serial_early_puts("Setting up external watchdog\n");
-	watchdog_init();
+	hw_watchdog_init();
 #endif
 
 #ifdef DEBUG
diff --git a/arch/blackfin/lib/clocks.c b/arch/blackfin/lib/clocks.c
index d852f5e..97795e1 100644
--- a/arch/blackfin/lib/clocks.c
+++ b/arch/blackfin/lib/clocks.c
@@ -7,17 +7,7 @@
  */
 
 #include <common.h>
-#include <asm/blackfin.h>
-
-#ifdef PLL_CTL
-# include <asm/mach-common/bits/pll.h>
-# define pll_is_bypassed() (bfin_read_PLL_STAT() & DF)
-#else
-# include <asm/mach-common/bits/cgu.h>
-# define pll_is_bypassed() (bfin_read_CGU_STAT() & PLLBP)
-# define bfin_read_PLL_CTL() bfin_read_CGU_CTL()
-# define bfin_read_PLL_DIV() bfin_read_CGU_DIV()
-#endif
+#include <asm/clock.h>
 
 /* Get the voltage input multiplier */
 u_long get_vco(void)
diff --git a/arch/blackfin/lib/string.c b/arch/blackfin/lib/string.c
index 44d8c6d..5b7ac0b 100644
--- a/arch/blackfin/lib/string.c
+++ b/arch/blackfin/lib/string.c
@@ -128,10 +128,12 @@ static void dma_calc_size(unsigned long ldst, unsigned long lsrc, size_t count,
 	unsigned long limit;
 
 #ifdef MSIZE
-	limit = 6;
+	/* The max memory DMA memory transfer size is 32 bytes. */
+	limit = 5;
 	*dshift = MSIZE_P;
 #else
-	limit = 3;
+	/* The max memory DMA memory transfer size is 4 bytes. */
+	limit = 2;
 	*dshift = WDSIZE_P;
 #endif
 
@@ -170,7 +172,8 @@ void dma_memcpy_nocache(void *dst, const void *src, size_t count)
 	mod = 1 << bpos;
 
 #ifdef PSIZE
-	dsize |= min(3, bpos) << PSIZE_P;
+	/* The max memory DMA peripheral transfer size is 4 bytes. */
+	dsize |= min(2, bpos) << PSIZE_P;
 #endif
 
 	/* Copy sram functions from sdram to sram */