LXR uboot/board/pxa255_idp/pxa

   1/*
   2 * (C) Copyright 2002
   3 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
   4 *
   5 * (C) Copyright 2002
   6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   7 * Marius Groeger <mgroeger@sysgo.de>
   8 *
   9 * (C) Copyright 2004
  10 * BEC Systems <http://bec-systems.com>
  11 * Cliff Brake <cliff.brake@gmail.com>
  12 * Support for Accelent/Vibren PXA255 IDP
  13 *
  14 * See file CREDITS for list of people who contributed to this
  15 * project.
  16 *
  17 * This program is free software; you can redistribute it and/or
  18 * modify it under the terms of the GNU General Public License as
  19 * published by the Free Software Foundation; either version 2 of
  20 * the License, or (at your option) any later version.
  21 *
  22 * This program is distributed in the hope that it will be useful,
  23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25 * GNU General Public License for more details.
  26 *
  27 * You should have received a copy of the GNU General Public License
  28 * along with this program; if not, write to the Free Software
  29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  30 * MA 02111-1307 USA
  31 */
  32
  33#include <common.h>
  34#include <netdev.h>
  35#include <command.h>
  36
  37DECLARE_GLOBAL_DATA_PTR;
  38
  39/*
  40 * Miscelaneous platform dependent initialisations
  41 */
  42
  43int board_init (void)
  44{
  45        /* memory and cpu-speed are setup before relocation */
  46        /* so we do _nothing_ here */
  47
  48        /* arch number of Lubbock-Board */
  49        gd->bd->bi_arch_number = MACH_TYPE_PXA_IDP;
  50
  51        /* adress of boot parameters */
  52        gd->bd->bi_boot_params = 0xa0000100;
  53
  54        /* turn on serial ports */
  55        *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C0002c) = 0x13;
  56
  57        /* set PWM for LCD */
  58        /* a value that works is 60Hz, 77% duty cycle */
  59        CKEN |= CKEN0_PWM0;
  60        PWM_CTRL0 = 0x3f;
  61        PWM_PERVAL0 = 0x3ff;
  62        PWM_PWDUTY0 = 792;
  63
  64        /* clear reset to AC97 codec */
  65        CKEN |= CKEN2_AC97;
  66        GCR = GCR_COLD_RST;
  67
  68        /* enable LCD backlight */
  69        /* *(volatile unsigned int *)(PXA_CS5_PHYS + 0x03C00030) = 0x7; */
  70
  71        /* test display */
  72        /* lcd_puts("This is a test\nTest #2\n"); */
  73
  74        return 0;
  75}
  76
  77int board_late_init(void)
  78{
  79        setenv("stdout", "serial");
  80        setenv("stderr", "serial");
  81        return 0;
  82}
  83
  84
  85int dram_init (void)
  86{
  87        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  88        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  89        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  90        gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  91        gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  92        gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  93        gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
  94        gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
  95
  96        return 0;
  97}
  98
  99
 100#ifdef DEBUG_BLINKC_ENABLE
 101
 102void delay_c(void)
 103{
 104        /* reset OSCR to 0 */
 105        OSCR = 0;
 106        while(OSCR > 0x10000)
 107                ;
 108
 109        while(OSCR < 0xd4000)
 110                ;
 111}
 112
 113void blink_c(void)
 114{
 115        int led_bit = (1<<10);
 116
 117        GPDR0 = led_bit;
 118        GPCR0 = led_bit;
 119        delay_c();
 120        GPSR0 = led_bit;
 121        delay_c();
 122        GPCR0 = led_bit;
 123}
 124
 125int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 126{
 127        printf("IDPCMD started\n");
 128        return 0;
 129}
 130
 131U_BOOT_CMD(idpcmd, CONFIG_SYS_MAXARGS, 0, do_idpcmd,
 132           "custom IDP command",
 133           "no args at this time"
 134);
 135
 136#endif
 137
 138#ifdef CONFIG_CMD_NET
 139int board_eth_init(bd_t *bis)
 140{
 141        int rc = 0;
 142#ifdef CONFIG_SMC91111
 143        rc = smc91111_initialize(0, CONFIG_SMC91111_BASE);
 144#endif
 145        return rc;
 146}
 147#endif
 148