board/bf533-stamp/bf533-stamp.c

/*
 * U-boot - main board file
 *
 * Copyright (c) 2005-2008 Analog Devices Inc.
 *
 * (C) Copyright 2000-2004
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston,
 * MA 02110-1301 USA
 */

#include <common.h>
#include <netdev.h>
#include <asm/gpio.h>

DECLARE_GLOBAL_DATA_PTR;

int checkboard(void)
{
	printf("Board: ADI BF533 Stamp board\n");
	printf("       Support: http://blackfin.uclinux.org/\n");
	return 0;
}

/* PF0 and PF1 are used to switch between the ethernet and flash:
 *         PF0  PF1
 *  flash:  0    0
 *  ether:  1    0
 */
void swap_to(int device_id)
{
	gpio_request(GPIO_PF0, "eth_flash_swap");
	gpio_request(GPIO_PF1, "eth_flash_swap");
	gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
	gpio_direction_output(GPIO_PF1, 0);
	SSYNC();
}

#if defined(CONFIG_MISC_INIT_R)
/* miscellaneous platform dependent initialisations */
int misc_init_r(void)
{
#ifdef CONFIG_STAMP_CF
	cf_ide_init();
#endif

	return 0;
}
#endif

#ifdef CONFIG_SHOW_BOOT_PROGRESS

#define STATUS_LED_OFF 0
#define STATUS_LED_ON  1

static int gpio_setup;

static void stamp_led_set(int LED1, int LED2, int LED3)
{
	if (!gpio_setup) {
		gpio_request(GPIO_PF2, "boot_progress");
		gpio_request(GPIO_PF3, "boot_progress");
		gpio_request(GPIO_PF4, "boot_progress");
		gpio_direction_output(GPIO_PF2, LED1);
		gpio_direction_output(GPIO_PF3, LED2);
		gpio_direction_output(GPIO_PF4, LED3);
		gpio_setup = 1;
	} else {
		gpio_set_value(GPIO_PF2, LED1);
		gpio_set_value(GPIO_PF3, LED2);
		gpio_set_value(GPIO_PF4, LED3);
	}
}

void show_boot_progress(int status)
{
	switch (status) {
	case BOOTSTAGE_ID_CHECK_MAGIC:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
		break;
	case BOOTSTAGE_ID_CHECK_HEADER:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
		break;
	case BOOTSTAGE_ID_CHECK_CHECKSUM:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
		break;
	case BOOTSTAGE_ID_CHECK_ARCH:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
		break;
	case BOOTSTAGE_ID_CHECK_IMAGETYPE:
	case BOOTSTAGE_ID_DECOMP_IMAGE:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
		break;
	case BOOTSTAGE_ID_KERNEL_LOADED:
	case BOOTSTAGE_ID_CHECK_BOOT_OS:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
		break;
	case BOOTSTAGE_ID_BOOT_OS_RETURNED:
	case BOOTSTAGE_ID_RD_MAGIC:
	case BOOTSTAGE_ID_RD_HDR_CHECKSUM:
	case BOOTSTAGE_ID_RD_CHECKSUM:
	case BOOTSTAGE_ID_RAMDISK:
	case BOOTSTAGE_ID_NO_RAMDISK:
	case BOOTSTAGE_ID_RUN_OS:
		stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
		break;
	default:
		stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
		break;
	}
}
#endif

#ifdef CONFIG_SMC91111
int board_eth_init(bd_t *bis)
{
	return smc91111_initialize(0, CONFIG_SMC91111_BASE);
}
#endif