/* * (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>/* ------------------------------------------------------------------------- */#if 0#define FPGA_DEBUG#endifextern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);/* fpga configuration data - gzip compressed and generated by bin2c */const unsigned char fpgadata[] ={#include "fpgadata.c"};/* * include common fpga code (for esd boards) */#include "../common/fpga.c"/* Prototypes */int gunzip(void *, int, unsigned char *, int *);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, 0xFFFFFF99);       /* 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);	unsigned char *dst;	ulong len = sizeof(fpgadata);	int status;	int index;	int i;#if 1 /* test-only */	dst = malloc(CFG_FPGA_MAX_SIZE);	if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) {		printf ("GUNZIP ERROR - must RESET board to recover\n");		do_reset (NULL, 0, 0, NULL);	}	status = fpga_boot(dst, len);	if (status != 0) {		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 = dst[index];			printf("FPGA: %s\n", &(dst[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);	}	puts("FPGA:  ");	/* display infos on fpgaimage */	index = 15;	for (i=0; i<4; i++) {		len = dst[index];		printf("%s ", &(dst[index+1]));		index += len+3;	}	putc ('\n');	free(dst);	/*	 * Reset FPGA via FPGA_DATA pin	 */	SET_FPGA(FPGA_PRG | FPGA_CLK);	udelay(1000); /* wait 1ms */	SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);	udelay(1000); /* wait 1ms */	/*	 * 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 */	/*	 * 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);	/*	 * Enable interrupts in exar duart mcr[3]	 */	*duart0_mcr = 0x08;	*duart1_mcr = 0x08;#endif	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 PLU405");	} 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);}/* ------------------------------------------------------------------------- */#ifdef CONFIG_IDE_RESETvoid ide_set_reset(int on){	volatile unsigned short *fpga_mode =		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);	/*	 * Assert or deassert CompactFlash Reset Pin	 */	if (on) {		/* assert RESET */		*fpga_mode &= ~(CFG_FPGA_CTRL_CF_RESET);	} else {		/* release RESET */		*fpga_mode |= CFG_FPGA_CTRL_CF_RESET;	}}#endif /* CONFIG_IDE_RESET */#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