board/pxa255_idp/pxa_idp.c

   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
  37 DECLARE_GLOBAL_DATA_PTR;
  38
  39 /*
  40  * Miscelaneous platform dependent initialisations
  41  */
  42
  43 int 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
  77 int board_late_init(void)
  78 {
  79         setenv("stdout", "serial");
  80         setenv("stderr", "serial");
  81         return 0;
  82 }
  83
  84
  85 int 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
 102 void 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
 113 void 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
 125 int do_idpcmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 126 {
 127         printf("IDPCMD started\n");
 128         return 0;
 129 }
 130
 131 U_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
 139 int 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