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
  32 int 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
  42 phys_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(CFG_SDRAM_BASE, CFG_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
  68 static 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
 103 struct pci_controller hose = {
 104 #ifndef CONFIG_PCI_PNP
 105         config_table: pci_a3000_config_table,
 106 #endif
 107 };
 108
 109 void pci_init_board(void)
 110 {
 111         pci_mpc824x_init(&hose);
 112 }
 113
 114 int board_eth_init(bd_t *bis)
 115 {
 116         return pci_eth_init(bis);
 117 }
 118