board/cu824/cu824.c

   1 /*
   2  * (C) Copyright 2001
   3  * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
   4  *
   5  * (C) Copyright 2001-2006
   6  * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
   7
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <mpc824x.h>
  13 #include <asm/processor.h>
  14 #include <pci.h>
  15 #include <netdev.h>
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 #define BOARD_REV_REG 0xFE80002B
  20
  21 int checkboard (void)
  22 {
  23         char  revision = *(volatile char *)(BOARD_REV_REG);
  24         char  buf[32];
  25
  26         puts ("Board: CU824 ");
  27         printf("Revision %d ", revision);
  28         printf("Local Bus at %s MHz\n", strmhz(buf, gd->bus_clk));
  29
  30         return 0;
  31 }
  32
  33 phys_size_t initdram(int board_type)
  34 {
  35         long size;
  36         long new_bank0_end;
  37         long mear1;
  38         long emear1;
  39
  40         size = get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM_SIZE);
  41
  42         new_bank0_end = size - 1;
  43         mear1 = mpc824x_mpc107_getreg(MEAR1);
  44         emear1 = mpc824x_mpc107_getreg(EMEAR1);
  45         mear1 = (mear1  & 0xFFFFFF00) |
  46                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
  47         emear1 = (emear1 & 0xFFFFFF00) |
  48                 ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
  49         mpc824x_mpc107_setreg(MEAR1,  mear1);
  50         mpc824x_mpc107_setreg(EMEAR1, emear1);
  51
  52         return (size);
  53 }
  54
  55 /*
  56  * Initialize PCI Devices, report devices found.
  57  */
  58 #ifndef CONFIG_PCI_PNP
  59 static struct pci_config_table pci_sandpoint_config_table[] = {
  60         { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
  61           pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
  62                                        PCI_ENET0_MEMADDR,
  63                                        PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
  64
  65         { }
  66 };
  67 #endif
  68
  69 struct pci_controller hose = {
  70 #ifndef CONFIG_PCI_PNP
  71         config_table: pci_sandpoint_config_table,
  72 #endif
  73 };
  74
  75 void pci_init_board(void)
  76 {
  77         pci_mpc824x_init(&hose);
  78 }
  79
  80 int board_eth_init(bd_t *bis)
  81 {
  82         return pci_eth_init(bis);
  83 }