board/enbw/enbw_cmc/enbw_cmc.c - mirrors/cros/chromiumos/third_party/u-boot - Git at Google

 /*
  * (C) Copyright 2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
  * Based on:
  * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
  *
  * Based on da830evm.c. Original Copyrights follow:
  *
  * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
  * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

 #include <common.h>
 #include <command.h>
 #include <environment.h>
 #include <hwconfig.h>
 #include <i2c.h>
 #include <malloc.h>
 #include <miiphy.h>
 #include <mmc.h>
 #include <net.h>
 #include <netdev.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch/da850_lowlevel.h>
 #include <asm/arch/davinci_misc.h>
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/emac_defs.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/pinmux_defs.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/sdmmc_defs.h>
 #include <asm/arch/timer_defs.h>

 DECLARE_GLOBAL_DATA_PTR;

 const struct lpsc_resource lpsc[] = {
 	{ DAVINCI_LPSC_AEMIF },
 	{ DAVINCI_LPSC_SPI1 },
 	{ DAVINCI_LPSC_ARM_RAM_ROM },
 	{ DAVINCI_LPSC_UART0 },
 	{ DAVINCI_LPSC_EMAC },
 	{ DAVINCI_LPSC_UART0 },
 	{ DAVINCI_LPSC_GPIO },
 	{ DAVINCI_LPSC_DDR_EMIF },
 	{ DAVINCI_LPSC_UART1 },
 	{ DAVINCI_LPSC_UART2 },
 	{ DAVINCI_LPSC_MMC_SD1 },
 	{ DAVINCI_LPSC_USB20 },
 	{ DAVINCI_LPSC_USB11 },
 };

 const int lpsc_size = ARRAY_SIZE(lpsc);

 static const struct pinmux_config enbw_pins[] = {
 	{ pinmux(0), 8, 0 },
 	{ pinmux(0), 8, 1 },
 	{ pinmux(0), 8, 2 },
 	{ pinmux(0), 8, 3 },
 	{ pinmux(0), 8, 4 },
 	{ pinmux(0), 8, 5 },
 	{ pinmux(1), 4, 0 },
 	{ pinmux(1), 8, 1 },
 	{ pinmux(1), 8, 2 },
 	{ pinmux(1), 8, 3 },
 	{ pinmux(1), 8, 4 },
 	{ pinmux(1), 8, 5 },
 	{ pinmux(1), 8, 6 },
 	{ pinmux(1), 4, 7 },
 	{ pinmux(2), 8, 0 },
 	{ pinmux(5), 1, 0 },
 	{ pinmux(5), 1, 3 },
 	{ pinmux(5), 1, 7 },
 	{ pinmux(6), 1, 0 },
 	{ pinmux(6), 1, 1 },
 	{ pinmux(6), 8, 2 },
 	{ pinmux(6), 8, 3 },
 	{ pinmux(6), 1, 4 },
 	{ pinmux(6), 8, 5 },
 	{ pinmux(6), 1, 7 },
 	{ pinmux(7), 8, 2 },
 	{ pinmux(7), 1, 3 },
 	{ pinmux(7), 1, 6 },
 	{ pinmux(7), 1, 7 },
 	{ pinmux(13), 8, 2 },
 	{ pinmux(13), 8, 3 },
 	{ pinmux(13), 8, 4 },
 	{ pinmux(13), 8, 5 },
 	{ pinmux(13), 8, 6 },
 	{ pinmux(13), 8, 7 },
 	{ pinmux(14), 8, 0 },
 	{ pinmux(14), 8, 1 },
 	{ pinmux(16), 8, 1 },
 	{ pinmux(16), 8, 2 },
 	{ pinmux(16), 8, 3 },
 	{ pinmux(16), 8, 4 },
 	{ pinmux(16), 8, 5 },
 	{ pinmux(16), 8, 6 },
 	{ pinmux(16), 8, 7 },
 	{ pinmux(17), 1, 0 },
 	{ pinmux(17), 1, 1 },
 	{ pinmux(17), 1, 2 },
 	{ pinmux(17), 8, 3 },
 	{ pinmux(17), 8, 4 },
 	{ pinmux(17), 8, 5 },
 	{ pinmux(17), 8, 6 },
 	{ pinmux(17), 8, 7 },
 	{ pinmux(18), 8, 0 },
 	{ pinmux(18), 8, 1 },
 	{ pinmux(18), 2, 2 },
 	{ pinmux(18), 2, 3 },
 	{ pinmux(18), 2, 4 },
 	{ pinmux(18), 8, 6 },
 	{ pinmux(18), 8, 7 },
 	{ pinmux(19), 8, 0 },
 	{ pinmux(19), 2, 1 },
 	{ pinmux(19), 2, 2 },
 	{ pinmux(19), 2, 3 },
 	{ pinmux(19), 2, 4 },
 	{ pinmux(19), 8, 5 },
 	{ pinmux(19), 8, 6 },
 };

 const struct pinmux_resource pinmuxes[] = {
 	PINMUX_ITEM(emac_pins_mii),
 	PINMUX_ITEM(emac_pins_mdio),
 	PINMUX_ITEM(i2c0_pins),
 	PINMUX_ITEM(emifa_pins_cs2),
 	PINMUX_ITEM(emifa_pins_cs3),
 	PINMUX_ITEM(emifa_pins_cs4),
 	PINMUX_ITEM(emifa_pins_nand),
 	PINMUX_ITEM(emifa_pins_nor),
 	PINMUX_ITEM(spi1_pins_base),
 	PINMUX_ITEM(spi1_pins_scs0),
 	PINMUX_ITEM(uart1_pins_txrx),
 	PINMUX_ITEM(uart2_pins_txrx),
 	PINMUX_ITEM(uart2_pins_rtscts),
 	PINMUX_ITEM(enbw_pins),
 };

 const int pinmuxes_size = ARRAY_SIZE(pinmuxes);

 struct gpio_config {
 	char name[GPIO_NAME_SIZE];
 	unsigned char bank;
 	unsigned char gpio;
 	unsigned char out;
 	unsigned char value;
 };

 static const struct gpio_config enbw_gpio_config[] = {
 	{ "RS485 enable",	8, 11, 1, 0 },
 	{ "RS485 iso",		8, 10, 1, 0 },
 	{ "W2HUT RS485 Rx ena",	8,  9, 1, 0 },
 	{ "W2HUT RS485 iso",	8,  8, 1, 0 },
 	{ "LAN reset",		7, 15, 1, 1 },
 	{ "ena 11V PLC",	7, 14, 1, 0 },
 	{ "ena 1.5V PLC",	7, 13, 1, 0 },
 	{ "disable VBUS",	7, 12, 1, 1 },
 	{ "PLC reset",		6, 13, 1, 1 },
 	{ "LCM RS",		6, 12, 1, 0 },
 	{ "LCM R/W",		6, 11, 1, 0 },
 	{ "PLC pairing",	6, 10, 1, 1 },
 	{ "PLC MDIO CLK",	6,  9, 1, 0 },
 	{ "HK218",		6,  8, 1, 0 },
 	{ "HK218 Rx",		6,  1, 1, 1 },
 	{ "TPM reset",		6,  0, 1, 1 },
 	{ "LCM E",		2,  2, 1, 1 },
 	{ "PV-IF RxD ena",	0, 15, 1, 1 },
 	{ "LED1",		1, 15, 1, 1 },
 	{ "LED2",		0,  1, 1, 1 },
 	{ "LED3",		0,  2, 1, 1 },
 	{ "LED4",		0,  3, 1, 1 },
 	{ "LED5",		0,  4, 1, 1 },
 	{ "LED6",		0,  5, 1, 0 },
 	{ "LED7",		0,  6, 1, 0 },
 	{ "LED8",		0, 14, 1, 0 },
 	{ "USER1",		0, 12, 0, 0 },
 	{ "USER2",		0, 13, 0, 0 },
 };

 #define PHY_POWER	0x0800

 static void enbw_cmc_switch(int port, int on)
 {
 	const char	*devname;
 	unsigned char phyaddr = 3;
 	unsigned char	reg = 0;
 	unsigned short	data;

 	if (port == 1)
 		phyaddr = 2;

 	devname = miiphy_get_current_dev();
 	if (!devname) {
 		printf("Error: no mii device\n");
 		return;
 	}
 	if (miiphy_read(devname, phyaddr, reg, &data) != 0) {
 		printf("Error reading from the PHY addr=%02x reg=%02x\n",
 			phyaddr, reg);
 		return;
 	}

 	if (on)
 		data &= ~PHY_POWER;
 	else
 		data |= PHY_POWER;

 	if (miiphy_write(devname, phyaddr, reg, data) != 0) {
 		printf("Error writing to the PHY addr=%02x reg=%02x\n",
 			phyaddr, reg);
 		return;
 	}
 }

 int board_init(void)
 {
 	int i, ret;

 #ifndef CONFIG_USE_IRQ
 	irq_init();
 #endif
 	/* address of boot parameters, not used as booting with DTT */
 	gd->bd->bi_boot_params = 0;

 	for (i = 0; i < ARRAY_SIZE(enbw_gpio_config); i++) {
 		int gpio = enbw_gpio_config[i].bank * 16 +
 			enbw_gpio_config[i].gpio;

 		ret = gpio_request(gpio, enbw_gpio_config[i].name);
 		if (ret) {
 			printf("%s: Could not get %s gpio\n", __func__,
 				enbw_gpio_config[i].name);
 			return -1;
 		}

 		if (enbw_gpio_config[i].out)
 			gpio_direction_output(gpio,
 				enbw_gpio_config[i].value);
 		else
 			gpio_direction_input(gpio);
 	}

 	/* setup the SUSPSRC for ARM to control emulation suspend */
 	clrbits_le32(&davinci_syscfg_regs->suspsrc,
 		(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C |
 		DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 |
 		DAVINCI_SYSCFG_SUSPSRC_UART2));

 	return 0;
 }

 #ifdef CONFIG_DRIVER_TI_EMAC
 /*
  * Initializes on-board ethernet controllers.
  */
 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_DRIVER_TI_EMAC
 	davinci_emac_mii_mode_sel(0);
 #endif /* CONFIG_DRIVER_TI_EMAC */

 	if (!davinci_emac_initialize()) {
 		printf("Error: Ethernet init failed!\n");
 		return -1;
 	}

 	if (hwconfig_subarg_cmp("switch", "lan", "on"))
 		/* Switch port lan on */
 		enbw_cmc_switch(1, 1);
 	else
 		enbw_cmc_switch(1, 0);

 	if (hwconfig_subarg_cmp("switch", "pwl", "on"))
 		/* Switch port pwl on */
 		enbw_cmc_switch(2, 1);
 	else
 		enbw_cmc_switch(2, 0);

 	return 0;
 }
 #endif /* CONFIG_DRIVER_TI_EMAC */

 #ifdef CONFIG_PREBOOT
 static uchar kbd_magic_prefix[]		= "key_magic_";
 static uchar kbd_command_prefix[]	= "key_cmd_";

 struct kbd_data_t {
 	char s1;
 };

 struct kbd_data_t *get_keys(struct kbd_data_t *kbd_data)
 {
 	/* read SW1 + SW2 */
 	kbd_data->s1 = gpio_get_value(12) +
 		(gpio_get_value(13) << 1);
 	return kbd_data;
 }

 static int compare_magic(const struct kbd_data_t *kbd_data, char *str)
 {
 	char s1 = str[0];

 	if (s1 >= '0' && s1 <= '9')
 		s1 -= '0';
 	else if (s1 >= 'a' && s1 <= 'f')
 		s1 = s1 - 'a' + 10;
 	else if (s1 >= 'A' && s1 <= 'F')
 		s1 = s1 - 'A' + 10;
 	else
 		return -1;

 	if (s1 != kbd_data->s1)
 		return -1;

 	return 0;
 }

 static char *key_match(const struct kbd_data_t *kbd_data)
 {
 	char magic[sizeof(kbd_magic_prefix) + 1];
 	char *suffix;
 	char *kbd_magic_keys;

 	/*
 	 * The following string defines the characters that can be appended
 	 * to "key_magic" to form the names of environment variables that
 	 * hold "magic" key codes, i. e. such key codes that can cause
 	 * pre-boot actions. If the string is empty (""), then only
 	 * "key_magic" is checked (old behaviour); the string "125" causes
 	 * checks for "key_magic1", "key_magic2" and "key_magic5", etc.
 	 */
 	kbd_magic_keys = getenv("magic_keys");
 	if (kbd_magic_keys == NULL)
 		kbd_magic_keys = "";

 	/*
 	 * loop over all magic keys;
 	 * use '\0' suffix in case of empty string
 	 */
 	for (suffix = kbd_magic_keys; *suffix ||
 		suffix == kbd_magic_keys; ++suffix) {
 		sprintf(magic, "%s%c", kbd_magic_prefix, *suffix);

 		if (compare_magic(kbd_data, getenv(magic)) == 0) {
 			char cmd_name[sizeof(kbd_command_prefix) + 1];
 			char *cmd;

 			sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix);
 			cmd = getenv(cmd_name);

 			return cmd;
 		}
 	}

 	return NULL;
 }
 #endif /* CONFIG_PREBOOT */

 int misc_init_r(void)
 {
 	char *s, buf[32];
 #ifdef CONFIG_PREBOOT
 	struct kbd_data_t kbd_data;
 	/* Decode keys */
 	char *str = strdup(key_match(get_keys(&kbd_data)));
 	/* Set or delete definition */
 	setenv("preboot", str);
 	free(str);
 #endif /* CONFIG_PREBOOT */

 	/* count all restarts, and save this in an environment var */
 	s = getenv("restartcount");

 	if (s)
 		sprintf(buf, "%ld", simple_strtoul(s, NULL, 10) + 1);
 	else
 		strcpy(buf, "1");

 	setenv("restartcount", buf);
 	saveenv();

 #ifdef CONFIG_HW_WATCHDOG
 	davinci_hw_watchdog_enable();
 #endif

 	return 0;
 }

 struct cmc_led {
 	char name[20];
 	unsigned char bank;
 	unsigned char gpio;
 };

 struct cmc_led led_table[] = {
 	{"led1", 1, 15},
 	{"led2", 0, 1},
 	{"led3", 0, 2},
 	{"led4", 0, 3},
 	{"led5", 0, 4},
 	{"led6", 0, 5},
 	{"led7", 0, 6},
 	{"led8", 0, 14},
 };

 static int cmc_get_led_state(struct cmc_led *led)
 {
 	int value;
 	int gpio = led->bank * 16 + led->gpio;

 	value = gpio_get_value(gpio);

 	return value;
 }

 static int cmc_set_led_state(struct cmc_led *led, int state)
 {
 	int gpio = led->bank * 16 + led->gpio;

 	gpio_set_value(gpio, state);
 	return 0;
 }

 static int do_led(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 {
 	struct cmc_led *led;
 	int found = 0;
 	int i = 0;
 	int only_print = 0;
 	int len = ARRAY_SIZE(led_table);

 	if (argc < 2)
 		return cmd_usage(cmdtp);

 	if (argc < 3)
 		only_print = 1;

 	led = led_table;
 	while ((!found) && (i < len)) {
 		if (strcmp(argv[1], led->name) == 0) {
 			found = 1;
 		} else {
 			led++;
 			i++;
 		}
 	}
 	if (!found)
 		return cmd_usage(cmdtp);

 	if (only_print) {
 		if (cmc_get_led_state(led))
 			printf("on\n");
 		else
 			printf("off\n");

 		return 0;
 	}
 	if (strcmp(argv[2], "on") == 0)
 		cmc_set_led_state(led, 1);
 	else
 		cmc_set_led_state(led, 0);

 	return 0;
 }

 U_BOOT_CMD(led, 3, 1, do_led,
 	"switch on/off board led",
 	"[name] [on/off]"
 );

 #ifdef CONFIG_HW_WATCHDOG
 void hw_watchdog_reset(void)
 {
 	davinci_hw_watchdog_reset();
 }
 #endif

 #if defined(CONFIG_POST)
 void arch_memory_failure_handle(void)
 {
 	struct davinci_gpio *gpio = davinci_gpio_bank01;
 	int state = 1;

 	/*
 	 * if memor< failure blink with the LED 1,2 and 3
 	 * as we running from flash, we cannot use the gpio
 	 * api here, so access the gpio pin direct through
 	 * the gpio register.
 	 */
 	while (1) {
 		if (state) {
 			clrbits_le32(&gpio->out_data, 0x80000006);
 			state = 0;
 		} else {
 			setbits_le32(&gpio->out_data, 0x80000006);
 			state = 1;
 		}
 		udelay(500);
 	}
 }
 #endif

 #if defined(CONFIG_BOOTCOUNT_LIMIT)
 void bootcount_store(ulong a)
 {
 	struct davinci_rtc *reg =
 		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;

 	/*
 	 * write RTC kick register to enable write
 	 * for RTC Scratch registers. Cratch0 and 1 are
 	 * used for bootcount values.
 	 */
 	writel(RTC_KICK0R_WE, &reg->kick0r);
 	writel(RTC_KICK1R_WE, &reg->kick1r);
 	out_be32(&reg->scratch0, a);
 	out_be32(&reg->scratch1, BOOTCOUNT_MAGIC);
 }

 ulong bootcount_load(void)
 {
 	struct davinci_rtc *reg =
 		(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;

 	if (in_be32(&reg->scratch1) != BOOTCOUNT_MAGIC)
 		return 0;
 	else
 		return in_be32(&reg->scratch0);
 }
 #endif

 void board_gpio_init(void)
 {
 	struct davinci_gpio *gpio = davinci_gpio_bank01;

 	/*
 	 * set LED (gpio Interface not usable here)
 	 * set LED pins to output and state 0
 	 */
 	clrbits_le32(&gpio->dir, 0x8000407e);
 	clrbits_le32(&gpio->out_data, 0x8000407e);
 	/* set LED 1 - 5 to state on */
 	setbits_le32(&gpio->out_data, 0x8000001e);
 }

 int board_late_init(void)
 {
 	cmc_set_led_state(&led_table[4], 0);

 	return 0;
 }

 void show_boot_progress(int val)
 {
 	switch (val) {
 	case 1:
 		cmc_set_led_state(&led_table[4], 1);
 		break;
 	case 4:
 		cmc_set_led_state(&led_table[4], 0);
 		break;
 	case 15:
 		cmc_set_led_state(&led_table[4], 1);
 		break;
 	}
 }

 #ifdef CONFIG_DAVINCI_MMC
 static struct davinci_mmc mmc_sd1 = {
 	.reg_base	= (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
 	.input_clk	= 228000000,
 	.host_caps	= MMC_MODE_4BIT,
 	.voltages	= MMC_VDD_32_33 | MMC_VDD_33_34,
 	.version	= MMC_CTLR_VERSION_2,
 };

 int board_mmc_init(bd_t *bis)
 {
 	mmc_sd1.input_clk = clk_get(DAVINCI_MMC_CLKID);
 	/* Add slot-0 to mmc subsystem */
 	return davinci_mmc_init(bis, &mmc_sd1);
 }
 #endif
	/*
	* (C) Copyright 2011
	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	*
	* Based on:
	* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
	*
	* Based on da830evm.c. Original Copyrights follow:
	*
	* Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
	* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	*/

	#include <common.h>
	#include <command.h>
	#include <environment.h>
	#include <hwconfig.h>
	#include <i2c.h>
	#include <malloc.h>
	#include <miiphy.h>
	#include <mmc.h>
	#include <net.h>
	#include <netdev.h>
	#include <asm/gpio.h>
	#include <asm/io.h>
	#include <asm/arch/da850_lowlevel.h>
	#include <asm/arch/davinci_misc.h>
	#include <asm/arch/emif_defs.h>
	#include <asm/arch/emac_defs.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/pinmux_defs.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/sdmmc_defs.h>
	#include <asm/arch/timer_defs.h>

	DECLARE_GLOBAL_DATA_PTR;

	const struct lpsc_resource lpsc[] = {
	{ DAVINCI_LPSC_AEMIF },
	{ DAVINCI_LPSC_SPI1 },
	{ DAVINCI_LPSC_ARM_RAM_ROM },
	{ DAVINCI_LPSC_UART0 },
	{ DAVINCI_LPSC_EMAC },
	{ DAVINCI_LPSC_UART0 },
	{ DAVINCI_LPSC_GPIO },
	{ DAVINCI_LPSC_DDR_EMIF },
	{ DAVINCI_LPSC_UART1 },
	{ DAVINCI_LPSC_UART2 },
	{ DAVINCI_LPSC_MMC_SD1 },
	{ DAVINCI_LPSC_USB20 },
	{ DAVINCI_LPSC_USB11 },
	};

	const int lpsc_size = ARRAY_SIZE(lpsc);

	static const struct pinmux_config enbw_pins[] = {
	{ pinmux(0), 8, 0 },
	{ pinmux(0), 8, 1 },
	{ pinmux(0), 8, 2 },
	{ pinmux(0), 8, 3 },
	{ pinmux(0), 8, 4 },
	{ pinmux(0), 8, 5 },
	{ pinmux(1), 4, 0 },
	{ pinmux(1), 8, 1 },
	{ pinmux(1), 8, 2 },
	{ pinmux(1), 8, 3 },
	{ pinmux(1), 8, 4 },
	{ pinmux(1), 8, 5 },
	{ pinmux(1), 8, 6 },
	{ pinmux(1), 4, 7 },
	{ pinmux(2), 8, 0 },
	{ pinmux(5), 1, 0 },
	{ pinmux(5), 1, 3 },
	{ pinmux(5), 1, 7 },
	{ pinmux(6), 1, 0 },
	{ pinmux(6), 1, 1 },
	{ pinmux(6), 8, 2 },
	{ pinmux(6), 8, 3 },
	{ pinmux(6), 1, 4 },
	{ pinmux(6), 8, 5 },
	{ pinmux(6), 1, 7 },
	{ pinmux(7), 8, 2 },
	{ pinmux(7), 1, 3 },
	{ pinmux(7), 1, 6 },
	{ pinmux(7), 1, 7 },
	{ pinmux(13), 8, 2 },
	{ pinmux(13), 8, 3 },
	{ pinmux(13), 8, 4 },
	{ pinmux(13), 8, 5 },
	{ pinmux(13), 8, 6 },
	{ pinmux(13), 8, 7 },
	{ pinmux(14), 8, 0 },
	{ pinmux(14), 8, 1 },
	{ pinmux(16), 8, 1 },
	{ pinmux(16), 8, 2 },
	{ pinmux(16), 8, 3 },
	{ pinmux(16), 8, 4 },
	{ pinmux(16), 8, 5 },
	{ pinmux(16), 8, 6 },
	{ pinmux(16), 8, 7 },
	{ pinmux(17), 1, 0 },
	{ pinmux(17), 1, 1 },
	{ pinmux(17), 1, 2 },
	{ pinmux(17), 8, 3 },
	{ pinmux(17), 8, 4 },
	{ pinmux(17), 8, 5 },
	{ pinmux(17), 8, 6 },
	{ pinmux(17), 8, 7 },
	{ pinmux(18), 8, 0 },
	{ pinmux(18), 8, 1 },
	{ pinmux(18), 2, 2 },
	{ pinmux(18), 2, 3 },
	{ pinmux(18), 2, 4 },
	{ pinmux(18), 8, 6 },
	{ pinmux(18), 8, 7 },
	{ pinmux(19), 8, 0 },
	{ pinmux(19), 2, 1 },
	{ pinmux(19), 2, 2 },
	{ pinmux(19), 2, 3 },
	{ pinmux(19), 2, 4 },
	{ pinmux(19), 8, 5 },
	{ pinmux(19), 8, 6 },
	};

	const struct pinmux_resource pinmuxes[] = {
	PINMUX_ITEM(emac_pins_mii),
	PINMUX_ITEM(emac_pins_mdio),
	PINMUX_ITEM(i2c0_pins),
	PINMUX_ITEM(emifa_pins_cs2),
	PINMUX_ITEM(emifa_pins_cs3),
	PINMUX_ITEM(emifa_pins_cs4),
	PINMUX_ITEM(emifa_pins_nand),
	PINMUX_ITEM(emifa_pins_nor),
	PINMUX_ITEM(spi1_pins_base),
	PINMUX_ITEM(spi1_pins_scs0),
	PINMUX_ITEM(uart1_pins_txrx),
	PINMUX_ITEM(uart2_pins_txrx),
	PINMUX_ITEM(uart2_pins_rtscts),
	PINMUX_ITEM(enbw_pins),
	};

	const int pinmuxes_size = ARRAY_SIZE(pinmuxes);

	struct gpio_config {
	char name[GPIO_NAME_SIZE];
	unsigned char bank;
	unsigned char gpio;
	unsigned char out;
	unsigned char value;
	};

	static const struct gpio_config enbw_gpio_config[] = {
	{ "RS485 enable", 8, 11, 1, 0 },
	{ "RS485 iso", 8, 10, 1, 0 },
	{ "W2HUT RS485 Rx ena", 8, 9, 1, 0 },
	{ "W2HUT RS485 iso", 8, 8, 1, 0 },
	{ "LAN reset", 7, 15, 1, 1 },
	{ "ena 11V PLC", 7, 14, 1, 0 },
	{ "ena 1.5V PLC", 7, 13, 1, 0 },
	{ "disable VBUS", 7, 12, 1, 1 },
	{ "PLC reset", 6, 13, 1, 1 },
	{ "LCM RS", 6, 12, 1, 0 },
	{ "LCM R/W", 6, 11, 1, 0 },
	{ "PLC pairing", 6, 10, 1, 1 },
	{ "PLC MDIO CLK", 6, 9, 1, 0 },
	{ "HK218", 6, 8, 1, 0 },
	{ "HK218 Rx", 6, 1, 1, 1 },
	{ "TPM reset", 6, 0, 1, 1 },
	{ "LCM E", 2, 2, 1, 1 },
	{ "PV-IF RxD ena", 0, 15, 1, 1 },
	{ "LED1", 1, 15, 1, 1 },
	{ "LED2", 0, 1, 1, 1 },
	{ "LED3", 0, 2, 1, 1 },
	{ "LED4", 0, 3, 1, 1 },
	{ "LED5", 0, 4, 1, 1 },
	{ "LED6", 0, 5, 1, 0 },
	{ "LED7", 0, 6, 1, 0 },
	{ "LED8", 0, 14, 1, 0 },
	{ "USER1", 0, 12, 0, 0 },
	{ "USER2", 0, 13, 0, 0 },
	};

	#define PHY_POWER 0x0800

	static void enbw_cmc_switch(int port, int on)
	{
	const char *devname;
	unsigned char phyaddr = 3;
	unsigned char reg = 0;
	unsigned short data;

	if (port == 1)
	phyaddr = 2;

	devname = miiphy_get_current_dev();
	if (!devname) {
	printf("Error: no mii device\n");
	return;
	}
	if (miiphy_read(devname, phyaddr, reg, &data) != 0) {
	printf("Error reading from the PHY addr=%02x reg=%02x\n",
	phyaddr, reg);
	return;
	}

	if (on)
	data &= ~PHY_POWER;
	else
	data \|= PHY_POWER;

	if (miiphy_write(devname, phyaddr, reg, data) != 0) {
	printf("Error writing to the PHY addr=%02x reg=%02x\n",
	phyaddr, reg);
	return;
	}
	}

	int board_init(void)
	{
	int i, ret;

	#ifndef CONFIG_USE_IRQ
	irq_init();
	#endif
	/* address of boot parameters, not used as booting with DTT */
	gd->bd->bi_boot_params = 0;

	for (i = 0; i < ARRAY_SIZE(enbw_gpio_config); i++) {
	int gpio = enbw_gpio_config[i].bank * 16 +
	enbw_gpio_config[i].gpio;

	ret = gpio_request(gpio, enbw_gpio_config[i].name);
	if (ret) {
	printf("%s: Could not get %s gpio\n", __func__,
	enbw_gpio_config[i].name);
	return -1;
	}

	if (enbw_gpio_config[i].out)
	gpio_direction_output(gpio,
	enbw_gpio_config[i].value);
	else
	gpio_direction_input(gpio);
	}

	/* setup the SUSPSRC for ARM to control emulation suspend */
	clrbits_le32(&davinci_syscfg_regs->suspsrc,
	(DAVINCI_SYSCFG_SUSPSRC_EMAC \| DAVINCI_SYSCFG_SUSPSRC_I2C \|
	DAVINCI_SYSCFG_SUSPSRC_SPI1 \| DAVINCI_SYSCFG_SUSPSRC_TIMER0 \|
	DAVINCI_SYSCFG_SUSPSRC_UART2));

	return 0;
	}

	#ifdef CONFIG_DRIVER_TI_EMAC
	/*
	* Initializes on-board ethernet controllers.
	*/
	int board_eth_init(bd_t *bis)
	{
	#ifdef CONFIG_DRIVER_TI_EMAC
	davinci_emac_mii_mode_sel(0);
	#endif /* CONFIG_DRIVER_TI_EMAC */

	if (!davinci_emac_initialize()) {
	printf("Error: Ethernet init failed!\n");
	return -1;
	}

	if (hwconfig_subarg_cmp("switch", "lan", "on"))
	/* Switch port lan on */
	enbw_cmc_switch(1, 1);
	else
	enbw_cmc_switch(1, 0);

	if (hwconfig_subarg_cmp("switch", "pwl", "on"))
	/* Switch port pwl on */
	enbw_cmc_switch(2, 1);
	else
	enbw_cmc_switch(2, 0);

	return 0;
	}
	#endif /* CONFIG_DRIVER_TI_EMAC */

	#ifdef CONFIG_PREBOOT
	static uchar kbd_magic_prefix[] = "key_magic_";
	static uchar kbd_command_prefix[] = "key_cmd_";

	struct kbd_data_t {
	char s1;
	};

	struct kbd_data_t get_keys(struct kbd_data_t kbd_data)
	{
	/* read SW1 + SW2 */
	kbd_data->s1 = gpio_get_value(12) +
	(gpio_get_value(13) << 1);
	return kbd_data;
	}

	static int compare_magic(const struct kbd_data_t kbd_data, char str)
	{
	char s1 = str[0];

	if (s1 >= '0' && s1 <= '9')
	s1 -= '0';
	else if (s1 >= 'a' && s1 <= 'f')
	s1 = s1 - 'a' + 10;
	else if (s1 >= 'A' && s1 <= 'F')
	s1 = s1 - 'A' + 10;
	else
	return -1;

	if (s1 != kbd_data->s1)
	return -1;

	return 0;
	}

	static char key_match(const struct kbd_data_t kbd_data)
	{
	char magic[sizeof(kbd_magic_prefix) + 1];
	char *suffix;
	char *kbd_magic_keys;

	/*
	* The following string defines the characters that can be appended
	* to "key_magic" to form the names of environment variables that
	* hold "magic" key codes, i. e. such key codes that can cause
	* pre-boot actions. If the string is empty (""), then only
	* "key_magic" is checked (old behaviour); the string "125" causes
	* checks for "key_magic1", "key_magic2" and "key_magic5", etc.
	*/
	kbd_magic_keys = getenv("magic_keys");
	if (kbd_magic_keys == NULL)
	kbd_magic_keys = "";

	/*
	* loop over all magic keys;
	* use '\0' suffix in case of empty string
	*/
	for (suffix = kbd_magic_keys; *suffix \|\|
	suffix == kbd_magic_keys; ++suffix) {
	sprintf(magic, "%s%c", kbd_magic_prefix, *suffix);

	if (compare_magic(kbd_data, getenv(magic)) == 0) {
	char cmd_name[sizeof(kbd_command_prefix) + 1];
	char *cmd;

	sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix);
	cmd = getenv(cmd_name);

	return cmd;
	}
	}

	return NULL;
	}
	#endif /* CONFIG_PREBOOT */

	int misc_init_r(void)
	{
	char *s, buf[32];
	#ifdef CONFIG_PREBOOT
	struct kbd_data_t kbd_data;
	/* Decode keys */
	char *str = strdup(key_match(get_keys(&kbd_data)));
	/* Set or delete definition */
	setenv("preboot", str);
	free(str);
	#endif /* CONFIG_PREBOOT */

	/* count all restarts, and save this in an environment var */
	s = getenv("restartcount");

	if (s)
	sprintf(buf, "%ld", simple_strtoul(s, NULL, 10) + 1);
	else
	strcpy(buf, "1");

	setenv("restartcount", buf);
	saveenv();

	#ifdef CONFIG_HW_WATCHDOG
	davinci_hw_watchdog_enable();
	#endif

	return 0;
	}

	struct cmc_led {
	char name[20];
	unsigned char bank;
	unsigned char gpio;
	};

	struct cmc_led led_table[] = {
	{"led1", 1, 15},
	{"led2", 0, 1},
	{"led3", 0, 2},
	{"led4", 0, 3},
	{"led5", 0, 4},
	{"led6", 0, 5},
	{"led7", 0, 6},
	{"led8", 0, 14},
	};

	static int cmc_get_led_state(struct cmc_led *led)
	{
	int value;
	int gpio = led->bank * 16 + led->gpio;

	value = gpio_get_value(gpio);

	return value;
	}

	static int cmc_set_led_state(struct cmc_led *led, int state)
	{
	int gpio = led->bank * 16 + led->gpio;

	gpio_set_value(gpio, state);
	return 0;
	}

	static int do_led(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	{
	struct cmc_led *led;
	int found = 0;
	int i = 0;
	int only_print = 0;
	int len = ARRAY_SIZE(led_table);

	if (argc < 2)
	return cmd_usage(cmdtp);

	if (argc < 3)
	only_print = 1;

	led = led_table;
	while ((!found) && (i < len)) {
	if (strcmp(argv[1], led->name) == 0) {
	found = 1;
	} else {
	led++;
	i++;
	}
	}
	if (!found)
	return cmd_usage(cmdtp);

	if (only_print) {
	if (cmc_get_led_state(led))
	printf("on\n");
	else
	printf("off\n");

	return 0;
	}
	if (strcmp(argv[2], "on") == 0)
	cmc_set_led_state(led, 1);
	else
	cmc_set_led_state(led, 0);

	return 0;
	}

	U_BOOT_CMD(led, 3, 1, do_led,
	"switch on/off board led",
	"[name] [on/off]"
	);

	#ifdef CONFIG_HW_WATCHDOG
	void hw_watchdog_reset(void)
	{
	davinci_hw_watchdog_reset();
	}
	#endif

	#if defined(CONFIG_POST)
	void arch_memory_failure_handle(void)
	{
	struct davinci_gpio *gpio = davinci_gpio_bank01;
	int state = 1;

	/*
	* if memor< failure blink with the LED 1,2 and 3
	* as we running from flash, we cannot use the gpio
	* api here, so access the gpio pin direct through
	* the gpio register.
	*/
	while (1) {
	if (state) {
	clrbits_le32(&gpio->out_data, 0x80000006);
	state = 0;
	} else {
	setbits_le32(&gpio->out_data, 0x80000006);
	state = 1;
	}
	udelay(500);
	}
	}
	#endif

	#if defined(CONFIG_BOOTCOUNT_LIMIT)
	void bootcount_store(ulong a)
	{
	struct davinci_rtc *reg =
	(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;

	/*
	* write RTC kick register to enable write
	* for RTC Scratch registers. Cratch0 and 1 are
	* used for bootcount values.
	*/
	writel(RTC_KICK0R_WE, &reg->kick0r);
	writel(RTC_KICK1R_WE, &reg->kick1r);
	out_be32(&reg->scratch0, a);
	out_be32(&reg->scratch1, BOOTCOUNT_MAGIC);
	}

	ulong bootcount_load(void)
	{
	struct davinci_rtc *reg =
	(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;

	if (in_be32(&reg->scratch1) != BOOTCOUNT_MAGIC)
	return 0;
	else
	return in_be32(&reg->scratch0);
	}
	#endif

	void board_gpio_init(void)
	{
	struct davinci_gpio *gpio = davinci_gpio_bank01;

	/*
	* set LED (gpio Interface not usable here)
	* set LED pins to output and state 0
	*/
	clrbits_le32(&gpio->dir, 0x8000407e);
	clrbits_le32(&gpio->out_data, 0x8000407e);
	/* set LED 1 - 5 to state on */
	setbits_le32(&gpio->out_data, 0x8000001e);
	}

	int board_late_init(void)
	{
	cmc_set_led_state(&led_table[4], 0);

	return 0;
	}

	void show_boot_progress(int val)
	{
	switch (val) {
	case 1:
	cmc_set_led_state(&led_table[4], 1);
	break;
	case 4:
	cmc_set_led_state(&led_table[4], 0);
	break;
	case 15:
	cmc_set_led_state(&led_table[4], 1);
	break;
	}
	}

	#ifdef CONFIG_DAVINCI_MMC
	static struct davinci_mmc mmc_sd1 = {
	.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
	.input_clk = 228000000,
	.host_caps = MMC_MODE_4BIT,
	.voltages = MMC_VDD_32_33 \| MMC_VDD_33_34,
	.version = MMC_CTLR_VERSION_2,
	};

	int board_mmc_init(bd_t *bis)
	{
	mmc_sd1.input_clk = clk_get(DAVINCI_MMC_CLKID);
	/* Add slot-0 to mmc subsystem */
	return davinci_mmc_init(bis, &mmc_sd1);
	}
	#endif