cu824.c 2.44 KB
Newer Older
wdenk's avatar
wdenk committed
1 2 3 4
/*
 * (C) Copyright 2001
 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
 *
5
 * (C) Copyright 2001-2006
wdenk's avatar
wdenk committed
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
 * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>

 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <mpc824x.h>
#include <asm/processor.h>
#include <pci.h>
31
#include <netdev.h>
wdenk's avatar
wdenk committed
32

33 34
DECLARE_GLOBAL_DATA_PTR;

wdenk's avatar
wdenk committed
35 36 37 38 39 40 41 42 43 44 45 46 47 48
#define BOARD_REV_REG 0xFE80002B

int checkboard (void)
{
	char  revision = *(volatile char *)(BOARD_REV_REG);
	char  buf[32];

	puts ("Board: CU824 ");
	printf("Revision %d ", revision);
	printf("Local Bus at %s MHz\n", strmhz(buf, gd->bus_clk));

	return 0;
}

49
phys_size_t initdram(int board_type)
wdenk's avatar
wdenk committed
50
{
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68
	long size;
	long new_bank0_end;
	long mear1;
	long emear1;

	size = get_ram_size(CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);

	new_bank0_end = size - 1;
	mear1 = mpc824x_mpc107_getreg(MEAR1);
	emear1 = mpc824x_mpc107_getreg(EMEAR1);
	mear1 = (mear1  & 0xFFFFFF00) |
		((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
	emear1 = (emear1 & 0xFFFFFF00) |
		((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
	mpc824x_mpc107_setreg(MEAR1,  mear1);
	mpc824x_mpc107_setreg(EMEAR1, emear1);

	return (size);
wdenk's avatar
wdenk committed
69 70 71 72 73 74 75
}

/*
 * Initialize PCI Devices, report devices found.
 */
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_sandpoint_config_table[] = {
wdenk's avatar
wdenk committed
76 77 78 79 80
	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
	  pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
				       PCI_ENET0_MEMADDR,
				       PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},

wdenk's avatar
wdenk committed
81 82 83 84 85 86 87 88 89 90
	{ }
};
#endif

struct pci_controller hose = {
#ifndef CONFIG_PCI_PNP
	config_table: pci_sandpoint_config_table,
#endif
};

91
void pci_init_board(void)
wdenk's avatar
wdenk committed
92 93 94
{
	pci_mpc824x_init(&hose);
}
95 96 97 98 99

int board_eth_init(bd_t *bis)
{
	return pci_eth_init(bis);
}