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authorTom Rini <trini@ti.com>2013-05-14 11:45:41 -0400
committerTom Rini <trini@ti.com>2013-05-14 11:45:41 -0400
commit805fa87f6d2366e2193f3d9eb1f793ad41ae1430 (patch)
tree743278b9e271dc84670680a466ef2ebaabcbbce9 /arch
parenta661b99dbc35e725f229a7b8e189ca21304ba026 (diff)
parentda34aae5fba36c1f1989fdd41fffa723f300eaad (diff)
downloadtalos-obmc-uboot-805fa87f6d2366e2193f3d9eb1f793ad41ae1430.tar.gz
talos-obmc-uboot-805fa87f6d2366e2193f3d9eb1f793ad41ae1430.zip
Merge branch 'master' of git://git.denx.de/u-boot-blackfin into powerpc-eldk53-warning-fixes
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/cpu/Makefile4
-rw-r--r--arch/blackfin/cpu/cpu.c32
-rw-r--r--arch/blackfin/cpu/gpio.c145
-rw-r--r--arch/blackfin/cpu/initcode.c71
-rw-r--r--arch/blackfin/cpu/serial.c369
-rw-r--r--arch/blackfin/cpu/start.S29
-rw-r--r--arch/blackfin/cpu/watchdog.c23
-rw-r--r--arch/blackfin/include/asm/clock.h78
-rw-r--r--arch/blackfin/include/asm/dma.h24
-rw-r--r--arch/blackfin/include/asm/gpio.h62
-rw-r--r--arch/blackfin/include/asm/mach-bf561/BF561_def.h2
-rw-r--r--arch/blackfin/include/asm/mach-bf609/BF609_def.h5
-rw-r--r--arch/blackfin/include/asm/portmux.h5
-rw-r--r--arch/blackfin/include/asm/serial.h (renamed from arch/blackfin/cpu/serial.h)23
-rw-r--r--arch/blackfin/include/asm/serial1.h (renamed from arch/blackfin/cpu/serial1.h)48
-rw-r--r--arch/blackfin/include/asm/serial4.h (renamed from arch/blackfin/cpu/serial4.h)27
-rw-r--r--arch/blackfin/include/asm/soft_switch.h18
-rw-r--r--arch/blackfin/lib/board.c6
-rw-r--r--arch/blackfin/lib/clocks.c12
-rw-r--r--arch/blackfin/lib/string.c9
20 files changed, 290 insertions, 702 deletions
diff --git a/arch/blackfin/cpu/Makefile b/arch/blackfin/cpu/Makefile
index 0a72ec5df3..1421cb2ca2 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 0be2e2b835..218f57ed38 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 f684be531c..f74a0b7c0e 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 1a066806d1..ffaf1017d7 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 9847e9f2c5..0000000000
--- 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 7155fc858b..da084a87c6 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 1886bda0ae..0000000000
--- 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 0000000000..f1fcd40499
--- /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 ef1db6e99c..8a7c07933e 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 05131b5e8b..58a6191107 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 a7ff5a3feb..8fd552f2a1 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 8c1dcd006e..02b81d3fd1 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 300ef44fd1..003694b515 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 9200339668..87a337d1b4 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 a20175bc7f..467d3817f1 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 887845c186..65483960b9 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 0000000000..ff8e44d8be
--- /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 ccea3b9fb1..f1d55470e8 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 d852f5ebed..97795e11ac 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 44d8c6d906..5b7ac0b91a 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 */
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