board/kup/common/kup.c

   1 /*
   2  * (C) Copyright 2004
   3  * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <mpc8xx.h>
  26 #include "kup.h"
  27
  28 int misc_init_f (void)
  29 {
  30         volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  31         volatile sysconf8xx_t *siu = &immap->im_siu_conf;
  32
  33         while (siu->sc_sipend & 0x20000000) {
  34                 /* printf("waiting for 5V VCC\n"); */
  35                 ;
  36         }
  37
  38         /* RS232 / RS485 default is RS232 */
  39         immap->im_ioport.iop_padat &= ~(PA_RS485);
  40         immap->im_ioport.iop_papar &= ~(PA_RS485);
  41         immap->im_ioport.iop_paodr &= ~(PA_RS485);
  42         immap->im_ioport.iop_padir |= (PA_RS485);
  43         return (0);
  44 }
  45
  46
  47 #ifdef CONFIG_IDE_LED
  48 void ide_led (uchar led, uchar status)
  49 {
  50         volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  51
  52         /* We have one led for both pcmcia slots */
  53         if (status) {           /* led on */
  54                 immap->im_ioport.iop_padat &= ~(PA_LED_YELLOW);
  55         } else {
  56                 immap->im_ioport.iop_padat |= (PA_LED_YELLOW);
  57         }
  58 }
  59 #endif
  60
  61 void poweron_key (void)
  62 {
  63         volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
  64
  65         immap->im_ioport.iop_pcpar &= ~(PC_SWITCH1);
  66         immap->im_ioport.iop_pcdir &= ~(PC_SWITCH1);
  67
  68         if (immap->im_ioport.iop_pcdat & (PC_SWITCH1))
  69                 setenv ("key1", "off");
  70         else
  71                 setenv ("key1", "on");
  72 }
  73
  74 #ifdef CONFIG_POST
  75 /*
  76  * Returns 1 if keys pressed to start the power-on long-running tests
  77  * Called from board_init_f().
  78  */
  79 int post_hotkeys_pressed (void)
  80 {
  81         return (0);
  82 }
  83 #endif