sbc8240.c

OMAP2530 uboot source code

/*
 * (C) Copyright 2001
 * Rob Taylor, Flying Pig Systems. [e-mail].
 *
 * (C) Copyright 2001, 2002
 * Wolfgang Denk, DENX Software Engineering, <[e-mail]>

 * 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>

DECLARE_GLOBAL_DATA_PTR;

#define BOARD_REV_REG 0xFE80002B

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

	puts ("Board: sbc8240 ");
	printf("Revision %d ", revision);
	printf("Local Bus at %s MHz\n", strmhz(buf, gd->bus_clk));

	return 0;
}

long int initdram(int board_type)
{
	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);
}

/*
 * Initialize PCI Devices, report devices found.
 */
#ifndef CONFIG_PCI_PNP
static struct pci_config_table pci_sandpoint_config_table[] = {
	{ 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 }},

	{ }
};
#endif

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

void pci_init_board(void)
{
	pci_mpc824x_init(&hose);
}

#ifdef CONFIG_MISC_INIT_R
/* ------------------------------------------------------------------------- */
int misc_init_r (void)
{
#ifdef CFG_LED_BASE
	*((unsigned char *) (CFG_LED_BASE)) = 0xFF;
#endif /* CFG_LED_BASE */

	return (0);
}
#endif /* CONFIG_MISC_INIT_R */