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  * SPDX-License-Identifier:     GPL-2.0+
  10  */
  11
  12 #include <common.h>
  13 #include <netdev.h>
  14 #include <asm/gpio.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 int checkboard(void)
  19 {
  20         printf("Board: ADI BF533 Stamp board\n");
  21         printf("       Support: http://blackfin.uclinux.org/\n");
  22         return 0;
  23 }
  24
  25 /* PF0 and PF1 are used to switch between the ethernet and flash:
  26  *         PF0  PF1
  27  *  flash:  0    0
  28  *  ether:  1    0
  29  */
  30 void swap_to(int device_id)
  31 {
  32         gpio_request(GPIO_PF0, "eth_flash_swap");
  33         gpio_request(GPIO_PF1, "eth_flash_swap");
  34         gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
  35         gpio_direction_output(GPIO_PF1, 0);
  36         SSYNC();
  37 }
  38
  39 #if defined(CONFIG_MISC_INIT_R)
  40 /* miscellaneous platform dependent initialisations */
  41 int misc_init_r(void)
  42 {
  43 #ifdef CONFIG_STAMP_CF
  44         cf_ide_init();
  45 #endif
  46
  47         return 0;
  48 }
  49 #endif
  50
  51 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  52
  53 #define CONFIG_LED_STATUS_OFF 0
  54 #define CONFIG_LED_STATUS_ON  1
  55
  56 static int gpio_setup;
  57
  58 static void stamp_led_set(int LED1, int LED2, int LED3)
  59 {
  60         if (!gpio_setup) {
  61                 gpio_request(GPIO_PF2, "boot_progress");
  62                 gpio_request(GPIO_PF3, "boot_progress");
  63                 gpio_request(GPIO_PF4, "boot_progress");
  64                 gpio_direction_output(GPIO_PF2, LED1);
  65                 gpio_direction_output(GPIO_PF3, LED2);
  66                 gpio_direction_output(GPIO_PF4, LED3);
  67                 gpio_setup = 1;
  68         } else {
  69                 gpio_set_value(GPIO_PF2, LED1);
  70                 gpio_set_value(GPIO_PF3, LED2);
  71                 gpio_set_value(GPIO_PF4, LED3);
  72         }
  73 }
  74
  75 void show_boot_progress(int status)
  76 {
  77         switch (status) {
  78         case BOOTSTAGE_ID_CHECK_MAGIC:
  79                 stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_OFF,
  80                               CONFIG_LED_STATUS_ON);
  81                 break;
  82         case BOOTSTAGE_ID_CHECK_HEADER:
  83                 stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_ON,
  84                               CONFIG_LED_STATUS_OFF);
  85                 break;
  86         case BOOTSTAGE_ID_CHECK_CHECKSUM:
  87                 stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_ON,
  88                               CONFIG_LED_STATUS_ON);
  89                 break;
  90         case BOOTSTAGE_ID_CHECK_ARCH:
  91                 stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_OFF,
  92                               CONFIG_LED_STATUS_OFF);
  93                 break;
  94         case BOOTSTAGE_ID_CHECK_IMAGETYPE:
  95         case BOOTSTAGE_ID_DECOMP_IMAGE:
  96                 stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_OFF,
  97                               CONFIG_LED_STATUS_ON);
  98                 break;
  99         case BOOTSTAGE_ID_KERNEL_LOADED:
 100         case BOOTSTAGE_ID_CHECK_BOOT_OS:
 101                 stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_ON,
 102                               CONFIG_LED_STATUS_OFF);
 103                 break;
 104         case BOOTSTAGE_ID_BOOT_OS_RETURNED:
 105         case BOOTSTAGE_ID_RD_MAGIC:
 106         case BOOTSTAGE_ID_RD_HDR_CHECKSUM:
 107         case BOOTSTAGE_ID_RD_CHECKSUM:
 108         case BOOTSTAGE_ID_RAMDISK:
 109         case BOOTSTAGE_ID_NO_RAMDISK:
 110         case BOOTSTAGE_ID_RUN_OS:
 111                 stamp_led_set(CONFIG_LED_STATUS_OFF, CONFIG_LED_STATUS_OFF,
 112                               CONFIG_LED_STATUS_OFF);
 113                 break;
 114         default:
 115                 stamp_led_set(CONFIG_LED_STATUS_ON, CONFIG_LED_STATUS_ON,
 116                               CONFIG_LED_STATUS_ON);
 117                 break;
 118         }
 119 }
 120 #endif
 121
 122 #ifdef CONFIG_SMC91111
 123 int board_eth_init(bd_t *bis)
 124 {
 125         return smc91111_initialize(0, CONFIG_SMC91111_BASE);
 126 }
 127 #endif