board/logodl/logodl.c

   1 /*
   2  * (C) 2002 Kyle Harris <kharris@nexus-tech.net>, Nexus Technologies, Inc.
   3  * (C) 2002 Marius Groeger <mgroeger@sysgo.de>, Sysgo GmbH
   4  * (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26 #include <asm/arch/pxa-regs.h>
  27
  28 /**
  29  * board_init: - setup some data structures
  30  *
  31  * @return: 0 in case of success
  32  */
  33
  34 int board_init (void)
  35 {
  36         DECLARE_GLOBAL_DATA_PTR;
  37
  38         /* memory and cpu-speed are setup before relocation */
  39         /* so we do _nothing_ here */
  40
  41         gd->bd->bi_arch_number = MACH_TYPE_LOGODL;
  42         gd->bd->bi_boot_params = 0x08000100;
  43         gd->bd->bi_baudrate = CONFIG_BAUDRATE;
  44
  45         (*((volatile short*)0x14800000)) = 0xff; /* power on eth0 */
  46         (*((volatile short*)0x14000000)) = 0xff; /* power on uart */
  47
  48         return 0;
  49 }
  50
  51
  52 /**
  53  * dram_init: - setup dynamic RAM
  54  *
  55  * @return: 0 in case of success
  56  */
  57
  58 int dram_init (void)
  59 {
  60         DECLARE_GLOBAL_DATA_PTR;
  61
  62         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  63         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  64
  65         return 0;
  66 }
  67
  68
  69 /**
  70  * logodl_set_led: - switch LEDs on or off
  71  *
  72  * @param led:   LED to switch (0,1)
  73  * @param state: switch on (1) or off (0)
  74  */
  75
  76 void logodl_set_led(int led, int state)
  77 {
  78         switch(led) {
  79
  80         case 0:
  81                 if (state==1) {
  82                         CFG_LED_A_CR = CFG_LED_A_BIT;
  83                 } else if (state==0) {
  84                         CFG_LED_A_SR = CFG_LED_A_BIT;
  85                 }
  86                 break;
  87
  88         case 1:
  89                 if (state==1) {
  90                         CFG_LED_B_CR = CFG_LED_B_BIT;
  91                 } else if (state==0) {
  92                         CFG_LED_B_SR = CFG_LED_B_BIT;
  93                 }
  94                 break;
  95         }
  96
  97         return;
  98 }
  99
 100
 101 /**
 102  * show_boot_progress: - indicate state of the boot process
 103  *
 104  * @param status: Status number - see README for details.
 105  *
 106  * The LOGOTRONIC does only have 2 LEDs, so we switch them on at the most
 107  * important states (1, 5, 15).
 108  */
 109
 110 void show_boot_progress (int status)
 111 {
 112         /*
 113           switch(status) {
 114           case  1: logodl_set_led(0,1); break;
 115           case  5: logodl_set_led(1,1); break;
 116           case 15: logodl_set_led(2,1); break;
 117           }
 118         */
 119         logodl_set_led(0, (status & 1)==1);
 120         logodl_set_led(1, (status & 2)==2);
 121
 122         return;
 123 }