/* * (C) Copyright 2001-2003 * 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 <asm/processor.h>#include <command.h>#include <malloc.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) SER0 ; active low; level sensitive	 * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive	 * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive	 * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive	 * IRQ 30 (EXT IRQ 5) PCI INTA; 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, 0xFFFFFF9F);       /* 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: set ready timeout to 512 ebc-clks -> ca. 15 us	 */	mtebc (epcr, 0xa8400000); /* ebc always driven */	return 0;}/* ------------------------------------------------------------------------- */int misc_init_f (void){	return 0;  /* dummy implementation */}int misc_init_r (void){	volatile unsigned char *duart0_mcr = (unsigned char *)((ulong)DUART0_BA + 4);	volatile unsigned char *duart1_mcr = (unsigned char *)((ulong)DUART1_BA + 4);	volatile unsigned char *duart2_mcr = (unsigned char *)((ulong)DUART2_BA + 4);	volatile unsigned char *duart3_mcr = (unsigned char *)((ulong)DUART3_BA + 4);	/*	 * Reset external DUARTs	 */	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_DUART_RST); /* set reset to high */	udelay(10); /* wait 10us */	out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_DUART_RST); /* set reset to low */	udelay(1000); /* wait 1ms */	/*	 * Enable interrupts in exar duart mcr[3]	 */	*duart0_mcr = 0x08;	*duart1_mcr = 0x08;	*duart2_mcr = 0x08;	*duart3_mcr = 0x08;	/*	 * Set NAND-FLASH GPIO signals to default	 */	out32(GPIO0_OR, in32(GPIO0_OR) & ~(CFG_NAND_CLE | CFG_NAND_ALE));	out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND_CE);	return (0);}/* * Check Board Identity: */int checkboard (void){	unsigned char str[64];	int i = getenv_r ("serial#", str, sizeof(str));	puts ("Board: ");	if (i == -1) {		puts ("### No HW ID - assuming HUB405");	} 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);}/* ------------------------------------------------------------------------- */#if (CONFIG_COMMANDS & CFG_CMD_NAND)#include <linux/mtd/nand.h>extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];void nand_init(void){	nand_probe(CFG_NAND_BASE);	if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) {		print_size(nand_dev_desc[0].totlen, "\n");	}}#endif