LXR uboot/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
  33void _default_hdlr (void)
  34{
  35        printf ("default_hdlr\n");
  36}
  37
  38int 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
  47int checkboard (void)
  48{
  49        puts ("Board: Altera Nios 1C20 Development Kit\n");
  50        return 0;
  51}
  52
  53phys_size_t initdram (int board_type)
  54{
  55        return (0);
  56}
  57
  58#if defined(CONFIG_CMD_IDE)
  59int 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
  82