diff options
Diffstat (limited to 'board/esd/ocrtc/ocrtc.c')
| -rw-r--r-- | board/esd/ocrtc/ocrtc.c | 127 | 
1 files changed, 127 insertions, 0 deletions
| diff --git a/board/esd/ocrtc/ocrtc.c b/board/esd/ocrtc/ocrtc.c new file mode 100644 index 000000000..3c3d56eb4 --- /dev/null +++ b/board/esd/ocrtc/ocrtc.c @@ -0,0 +1,127 @@ +/* + * (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> +#include <cmd_boot.h> + +/* ------------------------------------------------------------------------- */ + +int board_pre_init (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); +} + +/* ------------------------------------------------------------------------- */ |