/* * (C) Copyright 2000, 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 "du405.h"#include <asm/processor.h>#include <ppc4xx.h>#include <405gp_i2c.h>#include <command.h>/*cmd_boot.c*/extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);/* ------------------------------------------------------------------------- */#if 0#define FPGA_DEBUG#endif#if 0#define FPGA_DEBUG2#endif/* fpga configuration data - generated by bin2cc */const unsigned char fpgadata[] = {#include "fpgadata.c"};/* * include common fpga code (for esd boards) */#include "../common/fpga.c"int board_pre_init (void){	DECLARE_GLOBAL_DATA_PTR;	int index, len, i;	int status;#ifdef FPGA_DEBUG	/* set up serial port with default baudrate */	(void) get_clocks ();	gd->baudrate = CONFIG_BAUDRATE;	serial_init ();	console_init_f ();#endif	/*	 * Boot onboard FPGA	 */	status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));	if (status != 0) {		/* booting FPGA failed */#ifndef FPGA_DEBUG		/* set up serial port with default baudrate */		(void) get_clocks ();		gd->baudrate = CONFIG_BAUDRATE;		serial_init ();		console_init_f ();#endif		printf ("\nFPGA: Booting failed ");		switch (status) {		case ERROR_FPGA_PRG_INIT_LOW:			printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");			break;		case ERROR_FPGA_PRG_INIT_HIGH:			printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");			break;		case ERROR_FPGA_PRG_DONE:			printf ("(Timeout: DONE not high after programming FPGA)\n ");			break;		}		/* display infos on fpgaimage */		index = 15;		for (i = 0; i < 4; i++) {			len = fpgadata[index];			printf ("FPGA: %s\n", &(fpgadata[index + 1]));			index += len + 3;		}		putc ('\n');		/* delayed reboot */		for (i = 20; i > 0; i--) {			printf ("Rebooting in %2d seconds \r", i);			for (index = 0; index < 1000; index++)				udelay (1000);		}		putc ('\n');		do_reset (NULL, 0, 0, NULL);	}	/*	 * 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) DUART_A; active high; level sensitive	 * IRQ 27 (EXT IRQ 2) DUART_B; active high; level sensitive	 * IRQ 28 (EXT IRQ 3) unused; active low; level sensitive	 * IRQ 29 (EXT IRQ 4) unused; active low; level sensitive	 * IRQ 30 (EXT IRQ 5) unused; 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, 0xFFFFFFB1);	/* 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 100 us	 */	mtebc (epcr, 0xb8400000);	return 0;}/* ------------------------------------------------------------------------- *//* * Check Board Identity: */int checkboard (void){	int index;	int len;	unsigned char str[64];	int i = getenv_r ("serial#", str, sizeof (str));	puts ("Board: ");	if (i == -1) {		puts ("### No HW ID - assuming DU405");	} else {		puts (str);	}	puts ("\nFPGA:  ");	/* display infos on fpgaimage */	index = 15;	for (i = 0; i < 4; i++) {		len = fpgadata[index];		printf ("%s ", &(fpgadata[index + 1]));		index += len + 3;	}	putc ('\n');	/*	 * Reset external DUART via FPGA	 */	*(volatile unsigned char *) FPGA_MODE_REG = 0xff;	/* reset high active */	*(volatile unsigned char *) FPGA_MODE_REG = 0x00;	/* low again */	return 0;}/* ------------------------------------------------------------------------- */long int initdram (int board_type){	return (16 * 1024 * 1024);}/* ------------------------------------------------------------------------- */int testdram (void){	/* TODO: XXX XXX XXX */	printf ("test: 16 MB - ok\n");	return (0);}/* ------------------------------------------------------------------------- */