board/sl8245/sl8245.c

   1 /*
   2  * (C) Copyright 2003
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   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: SL8245, local bus @ %s MHz\n", strmhz(buf, busfreq));
  34         return 0;
  35 }
  36
  37 long int initdram (int board_type)
  38 {
  39 #ifndef CFG_RAMBOOT
  40         long size;
  41         long new_bank0_end;
  42         long mear1;
  43         long emear1;
  44
  45         size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
  46
  47         new_bank0_end = size - 1;
  48         mear1 = mpc824x_mpc107_getreg(MEAR1);
  49         emear1 = mpc824x_mpc107_getreg(EMEAR1);
  50         mear1 = (mear1  & 0xFFFFFF00) |
  51                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  52         emear1 = (emear1 & 0xFFFFFF00) |
  53                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  54         mpc824x_mpc107_setreg(MEAR1, mear1);
  55         mpc824x_mpc107_setreg(EMEAR1, emear1);
  56
  57         return (size);
  58 #else
  59         return CFG_MAX_RAM_SIZE;
  60 #endif
  61 }
  62
  63 static struct pci_controller hose;
  64
  65 void pci_init_board(void)
  66 {
  67         pci_mpc824x_init(&hose);
  68 }