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
  31 int checkboard (void)
  32 {
  33         ulong busfreq  = get_bus_freq(0);
  34         char  buf[32];
  35
  36         printf("Board: A3000 Local Bus at %s MHz\n", strmhz(buf, busfreq));
  37         return 0;
  38
  39 }
  40
  41 long int initdram (int board_type)
  42 {
  43         long size;
  44         long new_bank0_end;
  45         long mear1;
  46         long emear1;
  47
  48         size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
  49
  50         new_bank0_end = size - 1;
  51         mear1 = mpc824x_mpc107_getreg(MEAR1);
  52         emear1 = mpc824x_mpc107_getreg(EMEAR1);
  53         mear1 = (mear1  & 0xFFFFFF00) |
  54                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  55         emear1 = (emear1 & 0xFFFFFF00) |
  56                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  57         mpc824x_mpc107_setreg(MEAR1, mear1);
  58         mpc824x_mpc107_setreg(EMEAR1, emear1);
  59
  60         return (size);
  61 }
  62
  63 /*
  64  * Initialize PCI Devices
  65  */
  66 #ifndef CONFIG_PCI_PNP
  67 static struct pci_config_table pci_a3000_config_table[] = {
  68         /* vendor, device, class */
  69         /* bus, dev, func */
  70         { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83815, PCI_ANY_ID,
  71           PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,   /* dp83815 eth0 divice */
  72           pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  73                                        PCI_ENET0_MEMADDR,
  74                                        PCI_COMMAND_IO |
  75                                        PCI_COMMAND_MEMORY |
  76                                        PCI_COMMAND_MASTER }},
  77         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  78           PCI_ANY_ID, 0x14, PCI_ANY_ID,         /* PCI slot1 */
  79           pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
  80                                        PCI_ENET1_MEMADDR,
  81                                        PCI_COMMAND_IO |
  82                                        PCI_COMMAND_MEMORY |
  83                                        PCI_COMMAND_MASTER }},
  84         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  85           PCI_ANY_ID, 0x15, PCI_ANY_ID,         /* PCI slot2 */
  86           pci_cfgfunc_config_device, { PCI_ENET2_IOADDR,
  87                                        PCI_ENET2_MEMADDR,
  88                                        PCI_COMMAND_IO |
  89                                        PCI_COMMAND_MEMORY |
  90                                        PCI_COMMAND_MASTER }},
  91         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  92           PCI_ANY_ID, 0x16, PCI_ANY_ID,         /* PCI slot3 */
  93           pci_cfgfunc_config_device, { PCI_ENET3_IOADDR,
  94                                        PCI_ENET3_MEMADDR,
  95                                        PCI_COMMAND_IO |
  96                                        PCI_COMMAND_MEMORY |
  97                                        PCI_COMMAND_MASTER }},
  98         { }
  99 };
 100 #endif
 101
 102 struct pci_controller hose = {
 103 #ifndef CONFIG_PCI_PNP
 104         config_table: pci_a3000_config_table,
 105 #endif
 106 };
 107
 108 void pci_init_board(void)
 109 {
 110         pci_mpc824x_init(&hose);
 111 }