board/ixdp425/ixdp425.c

   1 /*
   2  * (C) Copyright 2006
   3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
   4  *
   5  * (C) Copyright 2002
   6  * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
   7  *
   8  * (C) Copyright 2002
   9  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  10  * Marius Groeger <mgroeger@sysgo.de>
  11  *
  12  * See file CREDITS for list of people who contributed to this
  13  * project.
  14  *
  15  * This program is free software; you can redistribute it and/or
  16  * modify it under the terms of the GNU General Public License as
  17  * published by the Free Software Foundation; either version 2 of
  18  * the License, or (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  28  * MA 02111-1307 USA
  29  */
  30
  31 #include <common.h>
  32 #include <command.h>
  33 #include <malloc.h>
  34 #include <asm/arch/ixp425.h>
  35
  36 DECLARE_GLOBAL_DATA_PTR;
  37
  38 /*
  39  * Miscelaneous platform dependent initialisations
  40  */
  41 int board_post_init (void)
  42 {
  43         return (0);
  44 }
  45
  46 int board_init (void)
  47 {
  48         /* arch number of IXDP */
  49         gd->bd->bi_arch_number = MACH_TYPE_IXDP425;
  50
  51         /* adress of boot parameters */
  52         gd->bd->bi_boot_params = 0x00000100;
  53
  54 #ifdef CONFIG_IXDPG425
  55         /* arch number of IXDP */
  56         gd->bd->bi_arch_number = MACH_TYPE_IXDPG425;
  57
  58         /*
  59          * Get realtek RTL8305 switch and SLIC out of reset
  60          */
  61         GPIO_OUTPUT_SET(CFG_GPIO_SWITCH_RESET_N);
  62         GPIO_OUTPUT_ENABLE(CFG_GPIO_SWITCH_RESET_N);
  63         GPIO_OUTPUT_SET(CFG_GPIO_SLIC_RESET_N);
  64         GPIO_OUTPUT_ENABLE(CFG_GPIO_SLIC_RESET_N);
  65
  66         /*
  67          * Setup GPIO's for PCI INTA & INTB
  68          */
  69         GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA_N);
  70         GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA_N);
  71         GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB_N);
  72         GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB_N);
  73
  74         /*
  75          * Setup GPIO's for 33MHz clock output
  76          */
  77         *IXP425_GPIO_GPCLKR = 0x01FF01FF;
  78         GPIO_OUTPUT_ENABLE(CFG_GPIO_PCI_CLK);
  79         GPIO_OUTPUT_ENABLE(CFG_GPIO_EXTBUS_CLK);
  80 #endif
  81
  82         return 0;
  83 }
  84
  85 /*
  86  * Check Board Identity
  87  */
  88 int checkboard(void)
  89 {
  90         char *s = getenv("serial#");
  91
  92 #ifdef CONFIG_IXDPG425
  93         puts("Board: IXDPG425 - Intel Network Gateway Reference Platform");
  94 #else
  95         puts("Board: IXDP425 - Intel Development Platform");
  96 #endif
  97
  98         if (s != NULL) {
  99                 puts(", serial# ");
 100                 puts(s);
 101         }
 102         putc('\n');
 103
 104         return (0);
 105 }
 106
 107 int dram_init (void)
 108 {
 109         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 110         gd->bd->bi_dram[0].size  = PHYS_SDRAM_1_SIZE;
 111
 112         return (0);
 113 }
 114
 115 #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
 116 extern struct pci_controller hose;
 117 extern void pci_ixp_init(struct pci_controller * hose);
 118
 119 void pci_init_board(void)
 120 {
 121         extern void pci_ixp_init (struct pci_controller *hose);
 122
 123         pci_ixp_init(&hose);
 124 }
 125 #endif