LXR uboot/board/bf533-stamp/bf533-stamp.c

   1/*
   2 * U-boot - main board file
   3 *
   4 * Copyright (c) 2005-2008 Analog Devices Inc.
   5 *
   6 * (C) Copyright 2000-2004
   7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8 *
   9 * See file CREDITS for list of people who contributed to this
  10 * project.
  11 *
  12 * This program is free software; you can redistribute it and/or
  13 * modify it under the terms of the GNU General Public License as
  14 * published by the Free Software Foundation; either version 2 of
  15 * the License, or (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program; if not, write to the Free Software
  24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  25 * MA 02110-1301 USA
  26 */
  27
  28#include <common.h>
  29#include <netdev.h>
  30#include <asm/gpio.h>
  31
  32DECLARE_GLOBAL_DATA_PTR;
  33
  34int checkboard(void)
  35{
  36        printf("Board: ADI BF533 Stamp board\n");
  37        printf("       Support: http://blackfin.uclinux.org/\n");
  38        return 0;
  39}
  40
  41/* PF0 and PF1 are used to switch between the ethernet and flash:
  42 *         PF0  PF1
  43 *  flash:  0    0
  44 *  ether:  1    0
  45 */
  46void swap_to(int device_id)
  47{
  48        gpio_request(GPIO_PF0, "eth_flash_swap");
  49        gpio_request(GPIO_PF1, "eth_flash_swap");
  50        gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
  51        gpio_direction_output(GPIO_PF1, 0);
  52        SSYNC();
  53}
  54
  55#if defined(CONFIG_MISC_INIT_R)
  56/* miscellaneous platform dependent initialisations */
  57int misc_init_r(void)
  58{
  59#ifdef CONFIG_STAMP_CF
  60        cf_ide_init();
  61#endif
  62
  63        return 0;
  64}
  65#endif
  66
  67#ifdef CONFIG_SHOW_BOOT_PROGRESS
  68
  69#define STATUS_LED_OFF 0
  70#define STATUS_LED_ON  1
  71
  72static int gpio_setup;
  73
  74static void stamp_led_set(int LED1, int LED2, int LED3)
  75{
  76        if (!gpio_setup) {
  77                gpio_request(GPIO_PF2, "boot_progress");
  78                gpio_request(GPIO_PF3, "boot_progress");
  79                gpio_request(GPIO_PF4, "boot_progress");
  80                gpio_direction_output(GPIO_PF2, LED1);
  81                gpio_direction_output(GPIO_PF3, LED2);
  82                gpio_direction_output(GPIO_PF4, LED3);
  83                gpio_setup = 1;
  84        } else {
  85                gpio_set_value(GPIO_PF2, LED1);
  86                gpio_set_value(GPIO_PF3, LED2);
  87                gpio_set_value(GPIO_PF4, LED3);
  88        }
  89}
  90
  91void show_boot_progress(int status)
  92{
  93        switch (status) {
  94        case 1:
  95                stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
  96                break;
  97        case 2:
  98                stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
  99                break;
 100        case 3:
 101                stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
 102                break;
 103        case 4:
 104                stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
 105                break;
 106        case 5:
 107        case 6:
 108                stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
 109                break;
 110        case 7:
 111        case 8:
 112                stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
 113                break;
 114        case 9:
 115        case 10:
 116        case 11:
 117        case 12:
 118        case 13:
 119        case 14:
 120        case 15:
 121                stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_OFF);
 122                break;
 123        default:
 124                stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_ON);
 125                break;
 126        }
 127}
 128#endif
 129
 130#ifdef CONFIG_SMC91111
 131int board_eth_init(bd_t *bis)
 132{
 133        return smc91111_initialize(0, CONFIG_SMC91111_BASE);
 134}
 135#endif
 136