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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
parenta661b99dbc35e725f229a7b8e189ca21304ba026 (diff)
parentda34aae5fba36c1f1989fdd41fffa723f300eaad (diff)
Merge branch 'master' of git://git.denx.de/u-boot-blackfin into powerpc-eldk53-warning-fixes
-rw-r--r--README1
-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/start.S29
-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
-rw-r--r--board/bf609-ezkit/soft_switch.c171
-rw-r--r--board/bf609-ezkit/soft_switch.h80
-rw-r--r--common/Makefile1
-rw-r--r--common/cmd_softswitch.c41
-rw-r--r--doc/README.watchdog3
-rw-r--r--drivers/gpio/Makefile1
-rw-r--r--drivers/gpio/adi_gpio2.c440
-rw-r--r--drivers/net/bfin_mac.c2
-rw-r--r--drivers/serial/Makefile1
-rw-r--r--drivers/serial/serial_bfin.c (renamed from arch/blackfin/cpu/serial.c)110
-rw-r--r--drivers/spi/bfin_spi.c105
-rw-r--r--drivers/watchdog/Makefile1
-rw-r--r--drivers/watchdog/bfin_wdt.c (renamed from arch/blackfin/cpu/watchdog.c)7
-rw-r--r--include/configs/bf527-ezkit.h12
-rw-r--r--include/configs/bf537-stamp.h10
-rw-r--r--include/configs/bf548-ezkit.h25
-rw-r--r--include/configs/bf561-ezkit.h5
-rw-r--r--include/configs/bf609-ezkit.h10
-rw-r--r--include/configs/bfin_adi_common.h14
-rw-r--r--include/watchdog.h3
39 files changed, 1164 insertions, 479 deletions
diff --git a/README b/README
index 0d37d561d9..defdedbef1 100644
--- a/README
+++ b/README
@@ -898,6 +898,7 @@ The following options need to be configured:
CONFIG_CMD_SF * Read/write/erase SPI NOR flash
CONFIG_CMD_SHA1SUM print sha1 memory digest
(requires CONFIG_CMD_MEMORY)
+ CONFIG_CMD_SOFTSWITCH * Soft switch setting command for BF60x
CONFIG_CMD_SOURCE "source" command Support
CONFIG_CMD_SPI * SPI serial bus support
CONFIG_CMD_TFTPSRV * TFTP transfer in server mode
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/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/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 */
diff --git a/board/bf609-ezkit/soft_switch.c b/board/bf609-ezkit/soft_switch.c
new file mode 100644
index 0000000000..e0c8d93fe7
--- /dev/null
+++ b/board/bf609-ezkit/soft_switch.c
@@ -0,0 +1,171 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2008-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <asm/blackfin.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "soft_switch.h"
+
+struct switch_config {
+ uchar dir0; /* IODIRA */
+ uchar dir1; /* IODIRB */
+ uchar value0; /* OLATA */
+ uchar value1; /* OLATB */
+};
+
+static struct switch_config switch_config_array[NUM_SWITCH] = {
+ {
+/*
+ U45 Port A U45 Port B
+
+ 7--------------- RMII_CLK_EN | 7--------------- ~TEMP_THERM_EN
+ | 6------------- ~CNT0ZM_EN | | 6------------- ~TEMP_IRQ_EN
+ | | 5----------- ~CNT0DG_EN | | | 5----------- ~UART0CTS_146_EN
+ | | | 4--------- ~CNT0UD_EN | | | | 4--------- ~UART0CTS_RST_EN
+ | | | | 3------- ~CAN0RX_EN | | | | | 3------- ~UART0CTS_RTS_LPBK
+ | | | | | 2----- ~CAN0_ERR_EN | | | | | | 2----- ~UART0CTS_EN
+ | | | | | | 1--- ~CAN_STB | | | | | | | 1--- ~UART0RX_EN
+ | | | | | | | 0- CAN_EN | | | | | | | | 0- ~UART0RTS_EN
+ | | | | | | | | | | | | | | | | |
+ O O O O O O O O | O O O O O O O O (I/O direction)
+ 1 0 0 0 0 0 1 1 | 1 1 1 1 1 0 0 0 (value being set)
+*/
+ .dir0 = 0x0, /* all output */
+ .dir1 = 0x0, /* all output */
+ .value0 = RMII_CLK_EN | CAN_STB | CAN_EN,
+ .value1 = TEMP_THERM_EN | TEMP_IRQ_EN | UART0CTS_146_EN
+ | UART0CTS_RST_EN | UART0CTS_RTS_LPBK,
+ },
+ {
+/*
+ U46 Port A U46 Port B
+
+ 7--------------- ~LED4_GPIO_EN | 7--------------- EMPTY
+ | 6------------- ~LED3_GPIO_EN | | 6------------- ~SPI0D3_EN
+ | | 5----------- ~LED2_GPIO_EN | | | 5----------- ~SPI0D2_EN
+ | | | 4--------- ~LED1_GPIO_EN | | | | 4--------- ~SPIFLASH_CS_EN
+ | | | | 3------- SMC0_LP0_EN | | | | | 3------- ~SD_WP_EN
+ | | | | | 2----- EMPTY | | | | | | 2----- ~SD_CD_EN
+ | | | | | | 1--- SMC0_EPPI2 | | | | | | | 1--- ~PUSHBUTTON2_EN
+ _LP1_SWITCH
+ | | | | | | | 0- OVERRIDE_SMC0 | | | | | | | | 0- ~PUSHBUTTON1_EN
+ _LP0_BOOT
+ | | | | | | | | | | | | | | | | |
+ O O O O O O O O | O O O O O O O O (I/O direction)
+ 0 0 0 0 0 X 0 1 | X 0 0 0 0 0 0 0 (value being set)
+*/
+ .dir0 = 0x0, /* all output */
+ .dir1 = 0x0, /* all output */
+#ifdef CONFIG_BFIN_LINKPORT
+ .value0 = OVERRIDE_SMC0_LP0_BOOT,
+#else
+ .value0 = SMC0_EPPI2_LP1_SWITCH,
+#endif
+ .value1 = 0x0,
+ },
+ {
+/*
+ U47 Port A U47 Port B
+
+ 7--------------- ~PD2_SPI0MISO | 7--------------- EMPTY
+ _EI3_EN
+ | 6------------- ~PD1_SPI0D3 | | 6------------- EMPTY
+ _EPPI1D17
+ _SPI0SEL2
+ _EI3_EN
+ | | 5----------- ~PD0_SPI0D2 | | | 5----------- EMPTY
+ _EPPI1D16
+ _SPI0SEL3
+ _EI3_EN
+ | | | 4--------- ~WAKE_PUSH | | | | 4--------- EMPTY
+ BUTTON_EN
+ | | | | 3------- ~ETHERNET_EN | | | | | 3------- EMPTY
+ | | | | | 2----- PHYAD0 | | | | | | 2----- EMPTY
+ | | | | | | 1--- PHY_PWR | | | | | | | 1--- ~PD4_SPI0CK_EI3_EN
+ _DWN_INT
+ | | | | | | | 0- ~PHYINT_EN | | | | | | | | 0- ~PD3_SPI0MOSI_EI3_EN
+ | | | | | | | | | | | | | | | | |
+ O O O O O I I O | O O O O O O O O (I/O direction)
+ 1 1 1 0 0 0 0 0 | X X X X X X 1 1 (value being set)
+*/
+ .dir0 = 0x6, /* bits 1 and 2 input, all others output */
+ .dir1 = 0x0, /* all output */
+ .value0 = PD1_SPI0D3_EN | PD0_SPI0D2_EN,
+ .value1 = 0,
+ },
+};
+
+static int setup_soft_switch(int addr, struct switch_config *config)
+{
+ int ret = 0;
+
+ ret = i2c_write(addr, OLATA, 1, &config->value0, 1);
+ if (ret)
+ return ret;
+ ret = i2c_write(addr, OLATB, 1, &config->value1, 1);
+ if (ret)
+ return ret;
+
+ ret = i2c_write(addr, IODIRA, 1, &config->dir0, 1);
+ if (ret)
+ return ret;
+ return i2c_write(addr, IODIRB, 1, &config->dir1, 1);
+}
+
+int config_switch_bit(int addr, int port, int bit, int dir, uchar value)
+{
+ int ret, data_reg, dir_reg;
+ uchar tmp;
+
+ if (port == IO_PORT_A) {
+ data_reg = OLATA;
+ dir_reg = IODIRA;
+ } else {
+ data_reg = OLATB;
+ dir_reg = IODIRB;
+ }
+
+ if (dir == IO_PORT_INPUT) {
+ ret = i2c_read(addr, dir_reg, 1, &tmp, 1);
+ if (ret)
+ return ret;
+ tmp |= bit;
+ return i2c_write(addr, dir_reg, 1, &tmp, 1);
+ } else {
+ ret = i2c_read(addr, data_reg, 1, &tmp, 1);
+ if (ret)
+ return ret;
+ if (value)
+ tmp |= bit;
+ else
+ tmp &= ~bit;
+ ret = i2c_write(addr, data_reg, 1, &tmp, 1);
+ if (ret)
+ return ret;
+ ret = i2c_read(addr, dir_reg, 1, &tmp, 1);
+ if (ret)
+ return ret;
+ tmp &= ~bit;
+ return i2c_write(addr, dir_reg, 1, &tmp, 1);
+ }
+}
+
+int setup_board_switches(void)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < NUM_SWITCH; i++) {
+ ret = setup_soft_switch(SWITCH_ADDR + i,
+ &switch_config_array[i]);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
diff --git a/board/bf609-ezkit/soft_switch.h b/board/bf609-ezkit/soft_switch.h
new file mode 100644
index 0000000000..d147fe1378
--- /dev/null
+++ b/board/bf609-ezkit/soft_switch.h
@@ -0,0 +1,80 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2008-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BOARD_SOFT_SWITCH_H__
+#define __BOARD_SOFT_SWITCH_H__
+
+#include <asm/soft_switch.h>
+
+/* switch 0 port A */
+#define CAN_EN 0x1
+#define CAN_STB 0x2
+#define CAN0_ERR_EN 0x4
+#define CAN0RX_EN 0x8
+#define CNT0UD_EN 0x10
+#define CNT0DG_EN 0x20
+#define CNT0ZM_EN 0x40
+#define RMII_CLK_EN 0x80
+
+/* switch 0 port B */
+#define UART0RTS_EN 0x1
+#define UART0RX_EN 0x2
+#define UART0CTS_EN 0x4
+#define UART0CTS_RTS_LPBK 0x8
+#define UART0CTS_RST_EN 0x10
+#define UART0CTS_146_EN 0x20
+#define TEMP_IRQ_EN 0x40
+#define TEMP_THERM_EN 0x80
+
+/* switch 1 port A */
+#define OVERRIDE_SMC0_LP0_BOOT 0x1
+#define SMC0_EPPI2_LP1_SWITCH 0x2
+#define SMC0_LP0_EN 0x8
+#define LED1_GPIO_EN 0x10
+#define LED2_GPIO_EN 0x20
+#define LED3_GPIO_EN 0x40
+#define LED4_GPIO_EN 0x80
+
+/* switch 1 port B */
+#define PUSHBUTTON1_EN 0x1
+#define PUSHBUTTON2_EN 0x2
+#define SD_CD_EN 0x4
+#define SD_WP_EN 0x8
+#define SPIFLASH_CS_EN 0x10
+#define SPI0D2_EN 0x20
+#define SPI0D3_EN 0x40
+
+/* switch 2 port A */
+#define PHYINT_EN 0x1
+#define PHY_PWR_DWN_INT 0x2
+#define PHYAD0 0x4
+#define ETHERNET_EN 0x8
+#define WAKE_PUSHBUTTON_EN 0x10
+#define PD0_SPI0D2_EN 0x20
+#define PD1_SPI0D3_EN 0x40
+#define PD2_SPI0MISO_EN 0x80
+
+/* switch 2 port B */
+#define PD3_SPI0MOSI_EN 0x1
+#define PD4_SPI0CK_EN 0x2
+
+#ifdef CONFIG_BFIN_BOARD_VERSION_1_0
+#define SWITCH_ADDR 0x21
+#else
+#define SWITCH_ADDR 0x20
+#endif
+
+#define NUM_SWITCH 3
+#define IODIRA 0x0
+#define IODIRB 0x1
+#define OLATA 0x14
+#define OLATB 0x15
+
+int setup_board_switches(void);
+
+#endif /* __BOARD_SOFT_SWITCH_H__ */
diff --git a/common/Makefile b/common/Makefile
index 0e0fff1ffa..0429a3c51c 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -164,6 +164,7 @@ COBJS-$(CONFIG_CMD_SF) += cmd_sf.o
COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
COBJS-$(CONFIG_CMD_SHA1SUM) += cmd_sha1sum.o
COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
+COBJS-$(CONFIG_CMD_SOFTSWITCH) += cmd_softswitch.o
COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o
COBJS-$(CONFIG_CMD_SPIBOOTLDR) += cmd_spibootldr.o
COBJS-$(CONFIG_CMD_STRINGS) += cmd_strings.o
diff --git a/common/cmd_softswitch.c b/common/cmd_softswitch.c
new file mode 100644
index 0000000000..f75d926770
--- /dev/null
+++ b/common/cmd_softswitch.c
@@ -0,0 +1,41 @@
+/*
+ * cmd_softswitch.c - set the softswitch for bf60x
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/blackfin.h>
+#include <asm/soft_switch.h>
+
+int do_softswitch(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int switchaddr, value, pin, port;
+
+ if (argc != 5)
+ return CMD_RET_USAGE;
+
+ if (strcmp(argv[2], "GPA") == 0)
+ port = IO_PORT_A;
+ else if (strcmp(argv[2], "GPB") == 0)
+ port = IO_PORT_B;
+ else
+ return CMD_RET_USAGE;
+
+ switchaddr = simple_strtoul(argv[1], NULL, 16);
+ pin = simple_strtoul(argv[3], NULL, 16);
+ value = simple_strtoul(argv[4], NULL, 16);
+
+ config_switch_bit(switchaddr, port, (1 << pin), IO_PORT_OUTPUT, value);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ softswitch_output, 5, 1, do_softswitch,
+ "switchaddr GPA/GPB pin_offset value",
+ ""
+);
diff --git a/doc/README.watchdog b/doc/README.watchdog
index 33f31c2140..59f306b851 100644
--- a/doc/README.watchdog
+++ b/doc/README.watchdog
@@ -30,3 +30,6 @@ CONFIG_IMX_WATCHDOG
CONFIG_XILINX_TB_WATCHDOG
Available for Xilinx Axi platforms to service timebase watchdog timer.
+
+CONFIG_BFIN_WATCHDOG
+ Available for bf5xx and bf6xx to service the watchdog.
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 830e8e691a..f77c1ec1ef 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -48,6 +48,7 @@ COBJS-$(CONFIG_DB8500_GPIO) += db8500_gpio.o
COBJS-$(CONFIG_BCM2835_GPIO) += bcm2835_gpio.o
COBJS-$(CONFIG_S3C2440_GPIO) += s3c2440_gpio.o
COBJS-$(CONFIG_XILINX_GPIO) += xilinx_gpio.o
+COBJS-$(CONFIG_ADI_GPIO2) += adi_gpio2.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/gpio/adi_gpio2.c b/drivers/gpio/adi_gpio2.c
new file mode 100644
index 0000000000..7a034eba12
--- /dev/null
+++ b/drivers/gpio/adi_gpio2.c
@@ -0,0 +1,440 @@
+/*
+ * ADI GPIO2 Abstraction Layer
+ * Support BF54x, BF60x and future processors.
+ *
+ * Copyright 2008-2013 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/portmux.h>
+
+static struct gpio_port_t * const gpio_array[] = {
+ (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,
+#if defined(CONFIG_BF54x)
+ (struct gpio_port_t *)PORTH_FER,
+ (struct gpio_port_t *)PORTI_FER,
+ (struct gpio_port_t *)PORTJ_FER,
+#endif
+};
+
+#define RESOURCE_LABEL_SIZE 16
+
+static struct str_ident {
+ char name[RESOURCE_LABEL_SIZE];
+} str_ident[MAX_RESOURCES];
+
+static void gpio_error(unsigned gpio)
+{
+ printf("adi_gpio2: GPIO %d wasn't requested!\n", gpio);
+}
+
+static void set_label(unsigned short ident, const char *label)
+{
+ if (label) {
+ strncpy(str_ident[ident].name, label,
+ RESOURCE_LABEL_SIZE);
+ str_ident[ident].name[RESOURCE_LABEL_SIZE - 1] = 0;
+ }
+}
+
+static char *get_label(unsigned short ident)
+{
+ return *str_ident[ident].name ? str_ident[ident].name : "UNKNOWN";
+}
+
+static int cmp_label(unsigned short ident, const char *label)
+{
+ if (label == NULL)
+ printf("adi_gpio2: please provide none-null label\n");
+
+ if (label)
+ return strcmp(str_ident[ident].name, label);
+ else
+ return -EINVAL;
+}
+
+#define map_entry(m, i) reserved_##m##_map[gpio_bank(i)]
+#define is_reserved(m, i, e) (map_entry(m, i) & gpio_bit(i))
+#define reserve(m, i) (map_entry(m, i) |= gpio_bit(i))
+#define unreserve(m, i) (map_entry(m, i) &= ~gpio_bit(i))
+#define DECLARE_RESERVED_MAP(m, c) unsigned short reserved_##m##_map[c]
+
+static DECLARE_RESERVED_MAP(gpio, GPIO_BANK_NUM);
+static 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_GPIOS)
+ return -EINVAL;
+ return 0;
+}
+
+static void port_setup(unsigned gpio, unsigned short usage)
+{
+#if 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);
+#else
+ 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);
+#endif
+ SSYNC();
+}
+
+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;
+}
+
+unsigned short get_gpio_dir(unsigned gpio)
+{
+ return 0x01 &
+ (gpio_array[gpio_bank(gpio)]->dir_clear >> gpio_sub_n(gpio));
+}
+
+/***********************************************************
+*
+* FUNCTIONS: Peripheral Resource Allocation
+* and PortMux Setup
+*
+* INPUTS/OUTPUTS:
+* per Peripheral Identifier
+* label String
+*
+* DESCRIPTION: Peripheral Resource Allocation and Setup API
+**************************************************************/
+
+int peripheral_request(unsigned short per, const char *label)
+{
+ unsigned short ident = P_IDENT(per);
+
+ /*
+ * Don't cares are pins with only one dedicated function
+ */
+
+ if (per & P_DONTCARE)
+ return 0;
+
+ if (!(per & P_DEFINED))
+ return -ENODEV;
+
+ BUG_ON(ident >= MAX_RESOURCES);
+
+ /* If a pin can be muxed as either GPIO or peripheral, make
+ * sure it is not already a GPIO pin when we request it.
+ */
+ if (unlikely(!check_gpio(ident) && is_reserved(gpio, ident, 1))) {
+ printf("%s: Peripheral %d is already reserved as GPIO by %s!\n",
+ __func__, ident, get_label(ident));
+ return -EBUSY;
+ }
+
+ if (unlikely(is_reserved(peri, ident, 1))) {
+ /*
+ * Pin functions like AMC address strobes my
+ * be requested and used by several drivers
+ */
+
+ if (!((per & P_MAYSHARE) &&
+ get_portmux(per) == P_FUNCT2MUX(per))) {
+ /*
+ * Allow that the identical pin function can
+ * be requested from the same driver twice
+ */
+
+ if (cmp_label(ident, label) == 0)
+ goto anyway;
+
+ printf("%s: Peripheral %d function %d is already "
+ "reserved by %s!\n", __func__, ident,
+ P_FUNCT2MUX(per), get_label(ident));
+ return -EBUSY;
+ }
+ }
+
+ anyway:
+ reserve(peri, ident);
+
+ portmux_setup(per);
+ port_setup(ident, PERIPHERAL_USAGE);
+
+ set_label(ident, label);
+
+ return 0;
+}
+
+int peripheral_request_list(const unsigned short per[], const char *label)
+{
+ u16 cnt;
+ int ret;
+
+ for (cnt = 0; per[cnt] != 0; cnt++) {
+ ret = peripheral_request(per[cnt], label);
+
+ if (ret < 0) {
+ for (; cnt > 0; cnt--)
+ peripheral_free(per[cnt - 1]);
+
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+void peripheral_free(unsigned short per)
+{
+ unsigned short ident = P_IDENT(per);
+
+ if (per & P_DONTCARE)
+ return;
+
+ if (!(per & P_DEFINED))
+ return;
+
+ if (unlikely(!is_reserved(peri, ident, 0)))
+ return;
+
+ if (!(per & P_MAYSHARE))
+ port_setup(ident, GPIO_USAGE);
+
+ unreserve(peri, ident);
+
+ set_label(ident, "free");
+}
+
+void peripheral_free_list(const unsigned short per[])
+{
+ u16 cnt;
+ for (cnt = 0; per[cnt] != 0; cnt++)
+ peripheral_free(per[cnt]);
+}
+
+/***********************************************************
+*
+* FUNCTIONS: GPIO Driver
+*
+* INPUTS/OUTPUTS:
+* gpio PIO Number between 0 and MAX_GPIOS
+* label String
+*
+* DESCRIPTION: GPIO Driver API
+**************************************************************/
+
+int gpio_request(unsigned gpio, const char *label)
+{
+ if (check_gpio(gpio) < 0)
+ return -EINVAL;
+
+ /*
+ * Allow that the identical GPIO can
+ * be requested from the same driver twice
+ * Do nothing and return -
+ */
+
+ if (cmp_label(gpio, label) == 0)
+ return 0;
+
+ if (unlikely(is_reserved(gpio, gpio, 1))) {
+ printf("adi_gpio2: GPIO %d is already reserved by %s!\n",
+ gpio, get_label(gpio));
+ return -EBUSY;
+ }
+ if (unlikely(is_reserved(peri, gpio, 1))) {
+ printf("adi_gpio2: GPIO %d is already reserved as Peripheral "
+ "by %s!\n", gpio, get_label(gpio));
+ return -EBUSY;
+ }
+
+ reserve(gpio, gpio);
+ set_label(gpio, label);
+
+ port_setup(gpio, GPIO_USAGE);
+
+ return 0;
+}
+
+int gpio_free(unsigned gpio)
+{
+ if (check_gpio(gpio) < 0)
+ return -1;
+
+ if (unlikely(!is_reserved(gpio, gpio, 0))) {
+ gpio_error(gpio);
+ return -1;
+ }
+
+ unreserve(gpio, gpio);
+
+ set_label(gpio, "free");
+
+ return 0;
+}
+
+#ifdef ADI_SPECIAL_GPIO_BANKS
+static DECLARE_RESERVED_MAP(special_gpio, gpio_bank(MAX_RESOURCES));
+
+int special_gpio_request(unsigned gpio, const char *label)
+{
+ /*
+ * Allow that the identical GPIO can
+ * be requested from the same driver twice
+ * Do nothing and return -
+ */
+
+ if (cmp_label(gpio, label) == 0)
+ return 0;
+
+ if (unlikely(is_reserved(special_gpio, gpio, 1))) {
+ printf("adi_gpio2: GPIO %d is already reserved by %s!\n",
+ gpio, get_label(gpio));
+ return -EBUSY;
+ }
+ if (unlikely(is_reserved(peri, gpio, 1))) {
+ printf("adi_gpio2: GPIO %d is already reserved as Peripheral "
+ "by %s!\n", gpio, get_label(gpio));
+
+ return -EBUSY;
+ }
+
+ reserve(special_gpio, gpio);
+ reserve(peri, gpio);
+
+ set_label(gpio, label);
+ port_setup(gpio, GPIO_USAGE);
+
+ return 0;
+}
+
+void special_gpio_free(unsigned gpio)
+{
+ if (unlikely(!is_reserved(special_gpio, gpio, 0))) {
+ gpio_error(gpio);
+ return;
+ }
+
+ reserve(special_gpio, gpio);
+ reserve(peri, gpio);
+ set_label(gpio, "free");
+}
+#endif
+
+static inline void __gpio_direction_input(unsigned gpio)
+{
+ gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
+#if defined(CONFIG_BF54x)
+ gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
+#else
+ gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
+#endif
+}
+
+int gpio_direction_input(unsigned gpio)
+{
+ unsigned long flags;
+
+ if (!is_reserved(gpio, gpio, 0)) {
+ gpio_error(gpio);
+ return -EINVAL;
+ }
+
+ local_irq_save(flags);
+ __gpio_direction_input(gpio);
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+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 gpio_direction_output(unsigned gpio, int value)
+{
+ unsigned long flags;
+
+ if (!is_reserved(gpio, gpio, 0)) {
+ gpio_error(gpio);
+ return -EINVAL;
+ }
+
+ local_irq_save(flags);
+
+#if defined(CONFIG_BF54x)
+ gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
+#else
+ gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
+#endif
+ gpio_set_value(gpio, value);
+ gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+int gpio_get_value(unsigned gpio)
+{
+ return 1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio));
+}
+
+void gpio_labels(void)
+{
+ int c, gpio;
+
+ for (c = 0; c < MAX_RESOURCES; c++) {
+ gpio = is_reserved(gpio, c, 1);
+ if (!check_gpio(c) && gpio)
+ printf("GPIO_%d:\t%s\tGPIO %s\n", c, get_label(c),
+ get_gpio_dir(c) ? "OUTPUT" : "INPUT");
+ else if (is_reserved(peri, c, 1))
+ printf("GPIO_%d:\t%s\tPeripheral\n", c, get_label(c));
+ else
+ continue;
+ }
+}
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index c63398ebf8..0ffd59d497 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -122,8 +122,6 @@ static int bfin_EMAC_send(struct eth_device *dev, void *packet, int length)
{
int i;
int result = 0;
- unsigned int *buf;
- buf = (unsigned int *)packet;
if (length <= 0) {
printf("Ethernet: bad packet size: %d\n", length);
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index fbc4e97e98..442b7ea0df 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -52,6 +52,7 @@ COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
COBJS-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
COBJS-$(CONFIG_ZYNQ_SERIAL) += serial_zynq.o
+COBJS-$(CONFIG_BFIN_SERIAL) += serial_bfin.o
ifndef CONFIG_SPL_BUILD
COBJS-$(CONFIG_USB_TTY) += usbtty.o
diff --git a/arch/blackfin/cpu/serial.c b/drivers/serial/serial_bfin.c
index 9847e9f2c5..0443b8427a 100644
--- a/arch/blackfin/cpu/serial.c
+++ b/drivers/serial/serial_bfin.c
@@ -43,13 +43,12 @@
#include <serial.h>
#include <linux/compiler.h>
#include <asm/blackfin.h>
+#include <asm/serial.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];
@@ -195,7 +194,18 @@ static void uart_loop(uint32_t uart_base, int state)
#endif
-#ifdef CONFIG_SYS_BFIN_UART
+static inline void __serial_set_baud(uint32_t uart_base, uint32_t baud)
+{
+#ifdef CONFIG_DEBUG_EARLY_SERIAL
+ serial_early_set_baud(uart_base, baud);
+#else
+ uint16_t divisor = (get_uart_clk() + (baud * 8)) / (baud * 16)
+ - ANOMALY_05000230;
+
+ /* Program the divisor to get the baud rate we want */
+ serial_set_divisor(uart_base, divisor);
+#endif
+}
static void uart_puts(uint32_t uart_base, const char *s)
{
@@ -209,7 +219,7 @@ 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); \
+ __serial_set_baud(MMR_UART(n), gd->baudrate); \
uart_lsr_clear(MMR_UART(n)); \
return 0; \
} \
@@ -221,7 +231,7 @@ static int uart##n##_uninit(void) \
\
static void uart##n##_setbrg(void) \
{ \
- serial_early_set_baud(MMR_UART(n), gd->baudrate); \
+ __serial_set_baud(MMR_UART(n), gd->baudrate); \
} \
\
static int uart##n##_getc(void) \
@@ -305,65 +315,97 @@ void bfin_serial_initialize(void)
#endif
}
-#else
+#ifdef CONFIG_DEBUG_EARLY_SERIAL
+inline void uart_early_putc(uint32_t uart_base, const char c)
+{
+ /* send a \r for compatibility */
+ if (c == '\n')
+ uart_early_putc(uart_base, '\r');
-/* Symbol for our assembly to call. */
-void serial_set_baud(uint32_t baud)
+ /* wait for the hardware fifo to clear up */
+ while (!(_lsr_read(pUART) & THRE))
+ continue;
+
+ /* queue the character for transmission */
+ bfin_write(&pUART->thr, c);
+ SSYNC();
+}
+
+void uart_early_puts(const char *s)
{
- serial_early_set_baud(UART_BASE, baud);
+ while (*s)
+ uart_early_putc(UART_BASE, *s++);
}
-/* Symbol for common u-boot code to call.
- * Setup the baudrate (brg: baudrate generator).
- */
-void serial_setbrg(void)
+/* Symbol for our assembly to call. */
+void _serial_early_set_baud(uint32_t baud)
{
- serial_set_baud(gd->baudrate);
+ serial_early_set_baud(UART_BASE, baud);
}
/* Symbol for our assembly to call. */
-void serial_initialize(void)
+void _serial_early_init(void)
{
serial_early_init(UART_BASE);
}
+#endif
-/* Symbol for common u-boot code to call. */
-int serial_init(void)
+#elif defined(CONFIG_UART_MEM)
+
+char serial_logbuf[CONFIG_UART_MEM];
+char *serial_logbuf_head = serial_logbuf;
+
+int serial_mem_init(void)
{
- serial_initialize();
- serial_setbrg();
- uart_lsr_clear(UART_BASE);
+ serial_logbuf_head = serial_logbuf;
return 0;
}
-int serial_tstc(void)
+void serial_mem_setbrg(void)
{
- return uart_tstc(UART_BASE);
}
-int serial_getc(void)
+int serial_mem_tstc(void)
{
- return uart_getc(UART_BASE);
+ return 0;
}
-void serial_putc(const char c)
+int serial_mem_getc(void)
{
- uart_putc(UART_BASE, c);
+ return 0;
}
-void serial_puts(const char *s)
+void serial_mem_putc(const char c)
+{
+ *serial_logbuf_head = c;
+ if (++serial_logbuf_head == serial_logbuf + CONFIG_UART_MEM)
+ serial_logbuf_head = serial_logbuf;
+}
+
+void serial_mem_puts(const char *s)
{
while (*s)
serial_putc(*s++);
}
-LOOP(
-void serial_loop(int state)
+struct serial_device bfin_serial_mem_device = {
+ .name = "bfin_uart_mem",
+ .start = serial_mem_init,
+ .setbrg = serial_mem_setbrg,
+ .getc = serial_mem_getc,
+ .tstc = serial_mem_tstc,
+ .putc = serial_mem_putc,
+ .puts = serial_mem_puts,
+};
+
+
+__weak struct serial_device *default_serial_console(void)
{
- uart_loop(UART_BASE, state);
+ return &bfin_serial_mem_device;
}
-)
-#endif
-
-#endif
+void bfin_serial_initialize(void)
+{
+ serial_register(&bfin_serial_mem_device);
+}
+#endif /* CONFIG_UART_MEM */
diff --git a/drivers/spi/bfin_spi.c b/drivers/spi/bfin_spi.c
index ab2e8b998b..a9a4d92c3e 100644
--- a/drivers/spi/bfin_spi.c
+++ b/drivers/spi/bfin_spi.c
@@ -13,7 +13,6 @@
#include <spi.h>
#include <asm/blackfin.h>
-#include <asm/dma.h>
#include <asm/gpio.h>
#include <asm/portmux.h>
#include <asm/mach-common/bits/spi.h>
@@ -242,109 +241,15 @@ void spi_release_bus(struct spi_slave *slave)
SSYNC();
}
-#ifdef __ADSPBF54x__
-# define SPI_DMA_BASE DMA4_NEXT_DESC_PTR
-#elif defined(__ADSPBF533__) || defined(__ADSPBF532__) || defined(__ADSPBF531__) || \
- defined(__ADSPBF538__) || defined(__ADSPBF539__)
-# define SPI_DMA_BASE DMA5_NEXT_DESC_PTR
-#elif defined(__ADSPBF561__)
-# define SPI_DMA_BASE DMA2_4_NEXT_DESC_PTR
-#elif defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__) || \
- defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
-# define SPI_DMA_BASE DMA7_NEXT_DESC_PTR
-# elif defined(__ADSPBF50x__)
-# define SPI_DMA_BASE DMA6_NEXT_DESC_PTR
-#else
-# error "Please provide SPI DMA channel defines"
-#endif
-static volatile struct dma_register *dma = (void *)SPI_DMA_BASE;
-
#ifndef CONFIG_BFIN_SPI_IDLE_VAL
# define CONFIG_BFIN_SPI_IDLE_VAL 0xff
#endif
-#ifdef CONFIG_BFIN_SPI_NO_DMA
-# define SPI_DMA 0
-#else
-# define SPI_DMA 1
-#endif
-
-static int spi_dma_xfer(struct bfin_spi_slave *bss, const u8 *tx, u8 *rx,
- uint bytes)
-{
- int ret = -1;
- u16 ndsize, spi_config, dma_config;
- struct dmasg dmasg[2];
- const u8 *buf;
-
- if (tx) {
- debug("%s: doing half duplex TX\n", __func__);
- buf = tx;
- spi_config = TDBR_DMA;
- dma_config = 0;
- } else {
- debug("%s: doing half duplex RX\n", __func__);
- buf = rx;
- spi_config = RDBR_DMA;
- dma_config = WNR;
- }
-
- dmasg[0].start_addr = (unsigned long)buf;
- dmasg[0].x_modify = 1;
- dma_config |= WDSIZE_8 | DMAEN;
- if (bytes <= 65536) {
- blackfin_dcache_flush_invalidate_range(buf, buf + bytes);
- ndsize = NDSIZE_5;
- dmasg[0].cfg = NDSIZE_0 | dma_config | FLOW_STOP | DI_EN;
- dmasg[0].x_count = bytes;
- } else {
- blackfin_dcache_flush_invalidate_range(buf, buf + 65536 - 1);
- ndsize = NDSIZE_7;
- dmasg[0].cfg = NDSIZE_5 | dma_config | FLOW_ARRAY | DMA2D;
- dmasg[0].x_count = 0; /* 2^16 */
- dmasg[0].y_count = bytes >> 16; /* count / 2^16 */
- dmasg[0].y_modify = 1;
- dmasg[1].start_addr = (unsigned long)(buf + (bytes & ~0xFFFF));
- dmasg[1].cfg = NDSIZE_0 | dma_config | FLOW_STOP | DI_EN;
- dmasg[1].x_count = bytes & 0xFFFF; /* count % 2^16 */
- dmasg[1].x_modify = 1;
- }
-
- dma->cfg = 0;
- dma->irq_status = DMA_DONE | DMA_ERR;
- dma->curr_desc_ptr = dmasg;
- write_SPI_CTL(bss, (bss->ctl & ~TDBR_CORE));
- write_SPI_STAT(bss, -1);
- SSYNC();
-
- write_SPI_TDBR(bss, CONFIG_BFIN_SPI_IDLE_VAL);
- dma->cfg = ndsize | FLOW_ARRAY | DMAEN;
- write_SPI_CTL(bss, (bss->ctl & ~TDBR_CORE) | spi_config);
- SSYNC();
-
- /*
- * We already invalidated the first 64k,
- * now while we just wait invalidate the remaining part.
- * Its not likely that the DMA is going to overtake
- */
- if (bytes > 65536)
- blackfin_dcache_flush_invalidate_range(buf + 65536, buf + bytes);
-
- while (!(dma->irq_status & DMA_DONE))
- if (ctrlc())
- goto done;
-
- dma->cfg = 0;
-
- ret = 0;
- done:
- write_SPI_CTL(bss, bss->ctl);
- return ret;
-}
-
static int spi_pio_xfer(struct bfin_spi_slave *bss, const u8 *tx, u8 *rx,
uint bytes)
{
+ /* discard invalid data and clear RXS */
+ read_SPI_RDBR(bss);
/* todo: take advantage of hardware fifos */
while (bytes--) {
u8 value = (tx ? *tx++ : CONFIG_BFIN_SPI_IDLE_VAL);
@@ -393,11 +298,7 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
if (flags & SPI_XFER_BEGIN)
spi_cs_activate(slave);
- /* TX DMA doesn't work quite right */
- if (SPI_DMA && bytes > 6 && (!tx /*|| !rx*/))
- ret = spi_dma_xfer(bss, tx, rx, bytes);
- else
- ret = spi_pio_xfer(bss, tx, rx, bytes);
+ ret = spi_pio_xfer(bss, tx, rx, bytes);
done:
if (flags & SPI_XFER_END)
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 13e7c37686..d57578df6c 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -33,6 +33,7 @@ endif
COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
COBJS-$(CONFIG_S5P) += s5p_wdt.o
COBJS-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o
+COBJS-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/arch/blackfin/cpu/watchdog.c b/drivers/watchdog/bfin_wdt.c
index 1886bda0ae..7a6756b2e5 100644
--- a/arch/blackfin/cpu/watchdog.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -9,6 +9,7 @@
#include <common.h>
#include <watchdog.h>
#include <asm/blackfin.h>
+#include <asm/mach-common/bits/watchdog.h>
void hw_watchdog_reset(void)
{
@@ -17,7 +18,9 @@ void hw_watchdog_reset(void)
void hw_watchdog_init(void)
{
- bfin_write_WDOG_CNT(5 * get_sclk()); /* 5 second timeout */
+ bfin_write_WDOG_CTL(WDDIS);
+ SSYNC();
+ bfin_write_WDOG_CNT(CONFIG_WATCHDOG_TIMEOUT_MSECS / 1000 * get_sclk());
hw_watchdog_reset();
- bfin_write_WDOG_CTL(0x0);
+ bfin_write_WDOG_CTL(WDEN);
}
diff --git a/include/configs/bf527-ezkit.h b/include/configs/bf527-ezkit.h
index 7b51b53dc5..db1b6136f3 100644
--- a/include/configs/bf527-ezkit.h
+++ b/include/configs/bf527-ezkit.h
@@ -149,10 +149,15 @@
#define CONFIG_MUSB_TIMEOUT 100000
#endif
+/* Don't waste time transferring a logo over the UART */
+#if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART)
+/*# define CONFIG_VIDEO*/
+#endif
/*
* Video Settings
*/
+#ifdef CONFIG_VIDEO
#ifdef CONFIG_BF527_EZKIT_REV_2_1
# define CONFIG_LQ035Q1_SPI_BUS 0
# define CONFIG_LQ035Q1_SPI_CS 7
@@ -166,7 +171,7 @@
#else
# define EASYLOGO_HEADER <asm/bfin_logo_230x230_lzma.h>
#endif
-
+#endif /* CONFIG_VIDEO */
/*
* Misc Settings
@@ -175,11 +180,6 @@
#define CONFIG_RTC_BFIN
#define CONFIG_UART_CONSOLE 1
-/* Don't waste time transferring a logo over the UART */
-#if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART)
-# define CONFIG_VIDEO
-#endif
-
/*
* Pull in common ADI header for remaining command/environment setup
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index 05029d497b..25cebf880f 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -52,7 +52,7 @@
#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
-#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
+#define CONFIG_SYS_MONITOR_LEN (768 * 1024)
#define CONFIG_SYS_MALLOC_LEN (384 * 1024)
@@ -135,15 +135,17 @@
/*
* SPI_MMC Settings
*/
+#define CONFIG_MMC_SPI
+#ifdef CONFIG_MMC_SPI
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
-#define CONFIG_MMC_SPI
-
+#endif
/*
* NAND Settings
*/
/* #define CONFIG_NAND_PLAT */
+#ifdef CONFIG_NAND_PLAT
#define CONFIG_SYS_NAND_BASE 0x20212000
#define CONFIG_SYS_MAX_NAND_DEVICE 1
@@ -158,7 +160,7 @@
#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
#define NAND_PLAT_GPIO_DEV_READY GPIO_PF3
-
+#endif /* CONFIG_NAND_PLAT */
/*
* CF-CARD IDE-HDD Support
diff --git a/include/configs/bf548-ezkit.h b/include/configs/bf548-ezkit.h
index e6b05db09d..da5f029435 100644
--- a/include/configs/bf548-ezkit.h
+++ b/include/configs/bf548-ezkit.h
@@ -120,18 +120,16 @@
#define CONFIG_ENV_SECT_SIZE 0x8000
#endif
-
/*
* NAND Settings
*/
-#define CONFIG_BFIN_NFC_CTL_VAL 0x0033
#if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_NAND)
-# define CONFIG_BFIN_NFC_BOOTROM_ECC
-#endif
+#define CONFIG_BFIN_NFC_CTL_VAL 0x0033
+#define CONFIG_BFIN_NFC_BOOTROM_ECC
#define CONFIG_DRIVER_NAND_BFIN
-#define CONFIG_SYS_NAND_BASE 0 /* not actually used */
-#define CONFIG_SYS_MAX_NAND_DEVICE 1
-
+#define CONFIG_SYS_NAND_BASE 0 /* not actually used */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#endif
/*
* I2C Settings
@@ -184,13 +182,12 @@
#define CONFIG_UART_CONSOLE 1
#define CONFIG_BFIN_SPI_IMG_SIZE 0x50000
-#ifndef __ADSPBF542__
-/* Don't waste time transferring a logo over the UART */
-# if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART)
-# define CONFIG_VIDEO
-# define EASYLOGO_HEADER <asm/bfin_logo_230x230_gzip.h>
-# endif
-# define CONFIG_DEB_DMA_URGENT
+#define CONFIG_ADI_GPIO2
+
+#undef CONFIG_VIDEO
+#ifdef CONFIG_VIDEO
+#define EASYLOGO_HEADER < asm/bfin_logo_230x230_gzip.h >
+#define CONFIG_DEB_DMA_URGENT
#endif
/* Define if want to do post memory test */
diff --git a/include/configs/bf561-ezkit.h b/include/configs/bf561-ezkit.h
index 1a9d27ea2a..6ee1e4c869 100644
--- a/include/configs/bf561-ezkit.h
+++ b/include/configs/bf561-ezkit.h
@@ -98,6 +98,11 @@
*/
#define CONFIG_UART_CONSOLE 0
+/*
+ * Run core 1 from L1 SRAM start address when init uboot on core 0
+ */
+/* #define CONFIG_CORE1_RUN 1 */
+
/*
* Pull in common ADI header for remaining command/environment setup
diff --git a/include/configs/bf609-ezkit.h b/include/configs/bf609-ezkit.h
index 02149fa94d..1a43e1b433 100644
--- a/include/configs/bf609-ezkit.h
+++ b/include/configs/bf609-ezkit.h
@@ -144,10 +144,13 @@
#define CONFIG_UART_CONSOLE 0
#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_SOFTSWITCH
#define CONFIG_SYS_MEMTEST_END (CONFIG_STACKBASE - 20*1024*1024 + 4)
#define CONFIG_BFIN_SOFT_SWITCH
+#define CONFIG_ADI_GPIO2
+
#if 0
#define CONFIG_UART_MEM 1024
#undef CONFIG_UART_CONSOLE
@@ -155,6 +158,13 @@
#undef CONFIG_UART_CONSOLE_IS_JTAG
#endif
+#define CONFIG_BOARD_SIZE_LIMIT $$((512 * 1024))
+
+/*
+ * Run core 1 from L1 SRAM start address when init uboot on core 0
+ */
+/* #define CONFIG_CORE1_RUN 1 */
+
/*
* Pull in common ADI header for remaining command/environment setup
*/
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h
index d3ae3a71cd..e1a6fe3056 100644
--- a/include/configs/bfin_adi_common.h
+++ b/include/configs/bfin_adi_common.h
@@ -111,8 +111,8 @@
#ifndef CONFIG_BAUDRATE
# define CONFIG_BAUDRATE 57600
#endif
-#ifndef CONFIG_DEBUG_EARLY_SERIAL
-# define CONFIG_SYS_BFIN_UART
+#ifdef CONFIG_UART_CONSOLE
+# define CONFIG_BFIN_SERIAL
#endif
/*
@@ -317,5 +317,13 @@
#define CONFIG_BFIN_SPI_GPIO_CS /* Only matters if BFIN_SPI is enabled */
#define CONFIG_LZMA
#define CONFIG_MONITOR_IS_IN_RAM
-
+#ifdef CONFIG_HW_WATCHDOG
+# define CONFIG_BFIN_WATCHDOG
+# ifndef CONFIG_WATCHDOG_TIMEOUT_MSECS
+# define CONFIG_WATCHDOG_TIMEOUT_MSECS 5000
+# endif
+#endif
+#ifndef CONFIG_ADI_GPIO2
+# define CONFIG_ADI_GPIO1
+#endif
#endif
diff --git a/include/watchdog.h b/include/watchdog.h
index 97ec186be3..d95e4b164d 100644
--- a/include/watchdog.h
+++ b/include/watchdog.h
@@ -108,8 +108,7 @@ int init_func_watchdog_reset(void);
void reset_4xx_watchdog(void);
#endif
-/* Freescale i.MX */
-#if defined(CONFIG_IMX_WATCHDOG) && !defined(__ASSEMBLY__)
+#if defined(CONFIG_HW_WATCHDOG) && !defined(__ASSEMBLY__)
void hw_watchdog_init(void);
#endif
#endif /* _WATCHDOG_H_ */