LXR uboot/board/a3000/a3000.c

   1/*
   2 * (C) Copyright 2001
   3 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
   4 *
   5 * Modified during 2003 by
   6 * Ken Chou, kchou@ieee.org
   7 *
   8 * See file CREDITS for list of people who contributed to this
   9 * project.
  10 *
  11 * This program is free software; you can redistribute it and/or
  12 * modify it under the terms of the GNU General Public License as
  13 * published by the Free Software Foundation; either version 2 of
  14 * the License, or (at your option) any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; if not, write to the Free Software
  23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24 * MA 02111-1307 USA
  25 */
  26
  27#include <common.h>
  28#include <mpc824x.h>
  29#include <pci.h>
  30#include <netdev.h>
  31
  32int checkboard (void)
  33{
  34        ulong busfreq  = get_bus_freq(0);
  35        char  buf[32];
  36
  37        printf("Board: A3000 Local Bus at %s MHz\n", strmhz(buf, busfreq));
  38        return 0;
  39
  40}
  41
  42phys_size_t initdram (int board_type)
  43{
  44        long size;
  45        long new_bank0_end;
  46        long mear1;
  47        long emear1;
  48
  49        size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE);
  50
  51        new_bank0_end = size - 1;
  52        mear1 = mpc824x_mpc107_getreg(MEAR1);
  53        emear1 = mpc824x_mpc107_getreg(EMEAR1);
  54        mear1 = (mear1  & 0xFFFFFF00) |
  55                ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  56        emear1 = (emear1 & 0xFFFFFF00) |
  57                ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  58        mpc824x_mpc107_setreg(MEAR1, mear1);
  59        mpc824x_mpc107_setreg(EMEAR1, emear1);
  60
  61        return (size);
  62}
  63
  64/*
  65 * Initialize PCI Devices
  66 */
  67#ifndef CONFIG_PCI_PNP
  68static struct pci_config_table pci_a3000_config_table[] = {
  69        /* vendor, device, class */
  70        /* bus, dev, func */
  71        { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83815, PCI_ANY_ID,
  72          PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,   /* dp83815 eth0 divice */
  73          pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  74                                       PCI_ENET0_MEMADDR,
  75                                       PCI_COMMAND_IO |
  76                                       PCI_COMMAND_MEMORY |
  77                                       PCI_COMMAND_MASTER }},
  78        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  79          PCI_ANY_ID, 0x14, PCI_ANY_ID,         /* PCI slot1 */
  80          pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
  81                                       PCI_ENET1_MEMADDR,
  82                                       PCI_COMMAND_IO |
  83                                       PCI_COMMAND_MEMORY |
  84                                       PCI_COMMAND_MASTER }},
  85        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  86          PCI_ANY_ID, 0x15, PCI_ANY_ID,         /* PCI slot2 */
  87          pci_cfgfunc_config_device, { PCI_ENET2_IOADDR,
  88                                       PCI_ENET2_MEMADDR,
  89                                       PCI_COMMAND_IO |
  90                                       PCI_COMMAND_MEMORY |
  91                                       PCI_COMMAND_MASTER }},
  92        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  93          PCI_ANY_ID, 0x16, PCI_ANY_ID,         /* PCI slot3 */
  94          pci_cfgfunc_config_device, { PCI_ENET3_IOADDR,
  95                                       PCI_ENET3_MEMADDR,
  96                                       PCI_COMMAND_IO |
  97                                       PCI_COMMAND_MEMORY |
  98                                       PCI_COMMAND_MASTER }},
  99        { }
 100};
 101#endif
 102
 103struct pci_controller hose = {
 104#ifndef CONFIG_PCI_PNP
 105        config_table: pci_a3000_config_table,
 106#endif
 107};
 108
 109void pci_init_board(void)
 110{
 111        pci_mpc824x_init(&hose);
 112}
 113
 114int board_eth_init(bd_t *bis)
 115{
 116        return pci_eth_init(bis);
 117}
 118