board/musenki/musenki.c

   1 /*
   2  * (C) Copyright 2001
   3  * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <mpc824x.h>
  26 #include <pci.h>
  27
  28 int checkboard (void)
  29 {
  30         ulong busfreq  = get_bus_freq(0);
  31         char  buf[32];
  32
  33         printf("Board: MUSENKI Local Bus at %s MHz\n", strmhz(buf, busfreq));
  34         return 0;
  35
  36 }
  37
  38 #if 0   /* NOT USED */
  39 int checkflash (void)
  40 {
  41         /* TODO: XXX XXX XXX */
  42         printf ("## Test not implemented yet ##\n");
  43
  44         return (0);
  45 }
  46 #endif
  47
  48 long int initdram (int board_type)
  49 {
  50         long size;
  51         long new_bank0_end;
  52         long mear1;
  53         long emear1;
  54
  55         size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
  56
  57         new_bank0_end = size - 1;
  58         mear1 = mpc824x_mpc107_getreg(MEAR1);
  59         emear1 = mpc824x_mpc107_getreg(EMEAR1);
  60         mear1 = (mear1  & 0xFFFFFF00) |
  61                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  62         emear1 = (emear1 & 0xFFFFFF00) |
  63                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  64         mpc824x_mpc107_setreg(MEAR1, mear1);
  65         mpc824x_mpc107_setreg(EMEAR1, emear1);
  66
  67         return (size);
  68 }
  69
  70 /*
  71  * Initialize PCI Devices
  72  */
  73 #ifndef CONFIG_PCI_PNP
  74 static struct pci_config_table pci_sandpoint_config_table[] = {
  75 #if 0
  76         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  77           0x0, 0x0, 0x0, /* unknown eth0 divice */
  78           pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  79                                        PCI_ENET0_MEMADDR,
  80                                        PCI_COMMAND_IO |
  81                                        PCI_COMMAND_MEMORY |
  82                                        PCI_COMMAND_MASTER }},
  83         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
  84           0x0, 0x0, 0x0, /* unknown eth1 device */
  85           pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
  86                                        PCI_ENET1_MEMADDR,
  87                                        PCI_COMMAND_IO |
  88                                        PCI_COMMAND_MEMORY |
  89                                        PCI_COMMAND_MASTER }},
  90 #endif
  91         { }
  92 };
  93 #endif
  94
  95 struct pci_controller hose = {
  96 #ifndef CONFIG_PCI_PNP
  97         config_table: pci_sandpoint_config_table,
  98 #endif
  99 };
 100
 101 void pci_init_board(void)
 102 {
 103         pci_mpc824x_init(&hose);
 104 }