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
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 int 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  */
  46 void 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 */
  57 int 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
  72 static int gpio_setup;
  73
  74 static 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
  91 void show_boot_progress(int status)
  92 {
  93         switch (status) {
  94         case BOOTSTAGE_ID_CHECK_MAGIC:
  95                 stamp_led_set(STATUS_LED_OFF, STATUS_LED_OFF, STATUS_LED_ON);
  96                 break;
  97         case BOOTSTAGE_ID_CHECK_HEADER:
  98                 stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_OFF);
  99                 break;
 100         case BOOTSTAGE_ID_CHECK_CHECKSUM:
 101                 stamp_led_set(STATUS_LED_OFF, STATUS_LED_ON, STATUS_LED_ON);
 102                 break;
 103         case BOOTSTAGE_ID_CHECK_ARCH:
 104                 stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_OFF);
 105                 break;
 106         case BOOTSTAGE_ID_CHECK_IMAGETYPE:
 107         case BOOTSTAGE_ID_DECOMP_IMAGE:
 108                 stamp_led_set(STATUS_LED_ON, STATUS_LED_OFF, STATUS_LED_ON);
 109                 break;
 110         case BOOTSTAGE_ID_KERNEL_LOADED:
 111         case BOOTSTAGE_ID_CHECK_BOOT_OS:
 112                 stamp_led_set(STATUS_LED_ON, STATUS_LED_ON, STATUS_LED_OFF);
 113                 break;
 114         case BOOTSTAGE_ID_BOOT_OS_RETURNED:
 115         case BOOTSTAGE_ID_RD_MAGIC:
 116         case BOOTSTAGE_ID_RD_HDR_CHECKSUM:
 117         case BOOTSTAGE_ID_RD_CHECKSUM:
 118         case BOOTSTAGE_ID_RAMDISK:
 119         case BOOTSTAGE_ID_NO_RAMDISK:
 120         case BOOTSTAGE_ID_RUN_OS:
 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
 131 int board_eth_init(bd_t *bis)
 132 {
 133         return smc91111_initialize(0, CONFIG_SMC91111_BASE);
 134 }
 135 #endif