board/altera/dk1c20/dk1c20.c

   1 /*
   2  * (C) Copyright 2003, Psyent Corporation <www.psyent.com>
   3  * Scott McNutt <smcnutt@psyent.com>
   4  *
   5  * CompactFlash/IDE:
   6  * (C) Copyright 2004, Shlomo Kut <skut@vyyo.com>
   7  *
   8  * See file CREDITS for list of people who contributed to this
   9  * project.
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of
  14  * the License, or (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24  * MA 02111-1307 USA
  25  */
  26
  27 #include <common.h>
  28 #include <nios-io.h>
  29 #if     defined(CONFIG_SEVENSEG)
  30 #include "../common/sevenseg.h"
  31 #endif
  32
  33 void _default_hdlr (void)
  34 {
  35         printf ("default_hdlr\n");
  36 }
  37
  38 int board_early_init_f (void)
  39 {
  40 #if     defined(CONFIG_SEVENSEG)
  41         /* init seven segment led display and switch off */
  42         sevenseg_set(SEVENSEG_OFF);
  43 #endif
  44         return 0;
  45 }
  46
  47 int checkboard (void)
  48 {
  49         puts ("Board: Altera Nios 1C20 Development Kit\n");
  50         return 0;
  51 }
  52
  53 phys_size_t initdram (int board_type)
  54 {
  55         return (0);
  56 }
  57
  58 #if defined(CONFIG_CMD_IDE)
  59 int ide_preinit (void)
  60 {
  61         nios_pio_t *present = (nios_pio_t *) CONFIG_SYS_CF_PRESENT;
  62         nios_pio_t *power = (nios_pio_t *) CONFIG_SYS_CF_POWER;
  63         nios_pio_t *atasel = (nios_pio_t *) CONFIG_SYS_CF_ATASEL;
  64
  65         /* setup data direction registers */
  66         present->direction = NIOS_PIO_IN;
  67         power->direction = NIOS_PIO_OUT;
  68         atasel->direction = NIOS_PIO_OUT;
  69
  70         /* Check for presence of card */
  71         if (present->data)
  72                 return 1;
  73         printf ("Ok\n");
  74
  75         /* Finish setup */
  76         power->data = 1;        /* Turn on power FET */
  77         atasel->data = 0;       /* Put in ATA mode */
  78
  79         return 0;
  80 }
  81 #endif