/* * (C) Copyright 2001-2004 * 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 "ar405.h"#include <asm/processor.h>#include <command.h>DECLARE_GLOBAL_DATA_PTR;/*cmd_boot.c*/extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);extern void lxt971_no_sleep(void);/* ------------------------------------------------------------------------- */#if 0#define FPGA_DEBUG#endif/* fpga configuration data - generated by bin2cc */const unsigned char fpgadata[] = {#include "fpgadata.c"};const unsigned char fpgadata_xl30[] = {#include "fpgadata_xl30.c"};/* * include common fpga code (for esd boards) */#include "../common/fpga.c"int board_early_init_f (void){	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	 */	/* first try 40er image */	gd->board_type = 40;	status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));	if (status != 0) {		/* try xl30er image */		gd->board_type = 30;		status = fpga_boot ((unsigned char *) fpgadata_xl30, sizeof (fpgadata_xl30));		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) 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 */	*(ushort *) 0xf03000ec = 0x0fff;	/* enable all interrupts in fpga */	return 0;}/* ------------------------------------------------------------------------- *//* * Check Board Identity: */int checkboard (void){	int index;	int len;	char str[64];	int i = getenv_r ("serial#", str, sizeof (str));	const unsigned char *fpga;	puts ("Board: ");	if (i == -1) {		puts ("### No HW ID - assuming AR405");	} else {		puts(str);	}	puts ("\nFPGA:  ");	/* display infos on fpgaimage */	if (gd->board_type == 30) {		fpga = fpgadata_xl30;	} else {		fpga = fpgadata;	}	index = 15;	for (i = 0; i < 4; i++) {		len = fpga[index];		printf ("%s ", &(fpga[index + 1]));		index += len + 3;	}	putc ('\n');	/*	 * Disable sleep mode in LXT971	 */	lxt971_no_sleep();	return 0;}/* ------------------------------------------------------------------------- */long int initdram (int board_type){	unsigned long val;	mtdcr(memcfga, mem_mb0cf);	val = mfdcr(memcfgd);	return (4*1024*1024 << ((val & 0x000e0000) >> 17));}/* ------------------------------------------------------------------------- */int testdram (void){	/* TODO: XXX XXX XXX */	printf ("test: 16 MB - ok\n");	return (0);}#if 1 /* test-only: some internal test routines... *//* * Some test routines */int do_digtest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){	volatile uchar *digen = (volatile uchar *)0xf03000b4;	volatile ushort *digout = (volatile ushort *)0xf03000b0;	volatile ushort *digin = (volatile ushort *)0xf03000a0;	int i;	int k;	int start;	int end;	if (argc != 3) {		puts("Usage: digtest n_start n_end (digtest 0 7)\n");		return 0;	}	start = simple_strtol (argv[1], NULL, 10);	end = simple_strtol (argv[2], NULL, 10);	/*	 * Enable digital outputs	 */	*digen = 0x08;	printf("\nStarting digital In-/Out Test from I/O %d to %d (Cntrl-C to abort)...\n",	       start, end);	/*	 * Set outputs one by one	 */	for (;;) {		for (i=start; i<=end; i++) {			*digout = 0x0001 << i;			for (k=0; k<200; k++)				udelay(1000);			if (*digin != (0x0001 << i)) {				printf("ERROR: OUT=0x%04X, IN=0x%04X\n", 0x0001 << i, *digin);				return 0;			}			/* Abort if ctrl-c was pressed */			if (ctrlc()) {				puts("\nAbort\n");				return 0;			}		}	}	return 0;}U_BOOT_CMD(	digtest,	3,	1,	do_digtest,	"digtest - Test digital in-/output\n",	NULL	);#define ERROR_DELTA     256struct io {	volatile short val;	short dummy;};int do_anatest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){	volatile short val;	int i;	int volt;	struct io *out;	struct io *in;	out = (struct io *)0xf0300090;	in = (struct io *)0xf0300000;	i = simple_strtol (argv[1], NULL, 10);	volt = 0;	printf("Setting Channel %d to %dV...\n", i, volt);	out[i].val = (volt * 0x7fff) / 10;	udelay(10000);	val = in[i*2].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	val = in[i*2+1].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	volt = 5;	printf("Setting Channel %d to %dV...\n", i, volt);	out[i].val = (volt * 0x7fff) / 10;	udelay(10000);	val = in[i*2].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	val = in[i*2+1].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	volt = 10;	printf("Setting Channel %d to %dV...\n", i, volt);	out[i].val = (volt * 0x7fff) / 10;	udelay(10000);	val = in[i*2].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	val = in[i*2+1].val;	printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);	if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||	    (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {		printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,		       ((volt * 0x7fff) / 40) + ERROR_DELTA);		return -1;	}	printf("Channel %d OK!\n", i);	return 0;}U_BOOT_CMD(	anatest,	2,	1,	do_anatest,	"anatest - Test analog in-/output\n",	NULL	);int counter = 0;void cyclicInt(void *ptr){	*(ushort *)0xf03000e8 = 0x0800; /* ack int */	counter++;}int do_inctest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){	volatile uchar *digout = (volatile uchar *)0xf03000b4;	volatile ulong *incin;	int i;	incin = (volatile ulong *)0xf0300040;	/*	 * Clear inc counter	 */	incin[0] = 0;	incin[1] = 0;	incin[2] = 0;	incin[3] = 0;	incin = (volatile ulong *)0xf0300050;	/*	 * Inc a little	 */	for (i=0; i<10000; i++) {		switch (i & 0x03) {		case 0:			*digout = 0x02;			break;		case 1:			*digout = 0x03;			break;		case 2:			*digout = 0x01;			break;		case 3:			*digout = 0x00;			break;		}		udelay(10);	}	printf("Inc 0 = %ld\n", incin[0]);	printf("Inc 1 = %ld\n", incin[1]);	printf("Inc 2 = %ld\n", incin[2]);	printf("Inc 3 = %ld\n", incin[3]);	*(ushort *)0xf03000e0 = 0x0c80-1; /* set counter */	*(ushort *)0xf03000ec |= 0x0800; /* enable int */	irq_install_handler (30, (interrupt_handler_t *) cyclicInt, NULL);	printf("counter=%d\n", counter);	return 0;}U_BOOT_CMD(	inctest,	3,	1,	do_inctest,	"inctest - Test incremental encoder inputs\n",	NULL	);#endif