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/*
* (C) Copyright 2001
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* 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 "ocrtc.h"
#include <asm/processor.h>
#include <i2c.h>
#include <command.h>
/* ------------------------------------------------------------------------- */
int board_early_init_f (void)
{
/*
* IRQ 0-15 405GP internally generated; active high; level sensitive
* IRQ 16 405GP internally generated; active low; level sensitive
* IRQ 17-24 RESERVED
* IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
* IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
* IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
* IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
* IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
* IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
* IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
*/
mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr (uicer, 0x00000000); /* disable all ints */
mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */
mtdcr (uictr, 0x10000000); /* set int trigger levels */
mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
/*
* EBC Configuration Register: clear EBTC -> high-Z ebc signals between
* transfers, set device-paced timeout to 256 cycles
*/
mtebc (epcr, 0x20400000);
return 0;
}
/* ------------------------------------------------------------------------- */
int misc_init_f (void)
{
return 0; /* dummy implementation */
}
/*
* Check Board Identity:
*/
int checkboard (void)
{
unsigned char str[64];
int i = getenv_r ("serial#", str, sizeof (str));
puts ("Board: ");
if (i == -1) {
#ifdef CONFIG_OCRTC
puts ("### No HW ID - assuming OCRTC");
#endif
#ifdef CONFIG_ORSG
puts ("### No HW ID - assuming ORSG");
#endif
} else {
puts (str);
}
putc ('\n');
return (0);
}
/* ------------------------------------------------------------------------- */
long int initdram (int board_type)
{
unsigned long val;
mtdcr (memcfga, mem_mb0cf);
val = mfdcr (memcfgd);
#if 0
printf ("\nmb0cf=%x\n", val); /* test-only */
printf ("strap=%x\n", mfdcr (strap)); /* test-only */
#endif
return (4 * 1024 * 1024 << ((val & 0x000e0000) >> 17));
}
/* ------------------------------------------------------------------------- */
int testdram (void)
{
/* TODO: XXX XXX XXX */
printf ("test: 16 MB - ok\n");
return (0);
}
/* ------------------------------------------------------------------------- */
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