/* * (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#endif/* 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){	out32(GPIO0_OR, CFG_NAND0_CE);                 /* set initial outputs     */	out32(GPIO0_OR, CFG_NAND1_CE);                 /* set initial outputs     */	/*	 * 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, 0xFFFFFF80);       /* 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	 */#if 1 /* test-only */	mtebc (epcr, 0xa8400000); /* ebc always driven */#else	mtebc (epcr, 0x28400000); /* ebc in high-z */#endif	return 0;}/* ------------------------------------------------------------------------- */int misc_init_f (void){	return 0;  /* dummy implementation */}int misc_init_r (void){#if 0 /* test-only */	DECLARE_GLOBAL_DATA_PTR;#if 0	volatile unsigned short *fpga_mode =		(unsigned short *)((ulong)CFG_FPGA_BASE_ADDR + CFG_FPGA_CTRL);	volatile unsigned char *duart0_mcr =		(unsigned char *)((ulong)DUART0_BA + 4);	volatile unsigned char *duart1_mcr =		(unsigned char *)((ulong)DUART1_BA + 4);	bd_t *bd = gd->bd;	char *	tmp;                    /* Temporary char pointer      */	unsigned char *dst;	ulong len = sizeof(fpgadata);	int status;	int index;	int i;	unsigned long cntrl0Reg;	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 */#endif#if 0	/*	 * Enable power on PS/2 interface	 */	*fpga_mode |= CFG_FPGA_CTRL_PS2_RESET;	/*	 * Enable interrupts in exar duart mcr[3]	 */	*duart0_mcr = 0x08;	*duart1_mcr = 0x08;#endif#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 PPChameleonEVB");	} 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 /* test-only */	for (;;) {		NAND_DISABLE_CE(1);		udelay(100);		NAND_ENABLE_CE(1);		udelay(100);	}#endif#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)extern ulongnand_probe(ulong physadr);voidnand_init(void){	ulong totlen = 0;#if (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_ME) || \    (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_HI)	debug ("Probing at 0x%.8x\n", CFG_NAND0_BASE);	totlen += nand_probe (CFG_NAND0_BASE);#endif	/* CONFIG_PPCHAMELEON_MODULE_ME, CONFIG_PPCHAMELEON_MODULE_HI */	debug ("Probing at 0x%.8x\n", CFG_NAND1_BASE);	totlen += nand_probe (CFG_NAND1_BASE);	printf ("%4lu MB\n", totlen >>20);}#endif