/* * (C) Copyright 2002 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch * * adapted for VCMA9 * David Mueller, ELSOFT AG, d.mueller@elsoft.ch * * 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 <command.h>#include "vcma9.h"#include "../common/common_util.h"#if defined(CONFIG_DRIVER_CS8900)#include <../drivers/cs8900.h>static uchar cs8900_chksum(ushort data){	return((data >> 8) & 0x00FF) + (data & 0x00FF);}#endifextern void print_vcma9_info(void);extern int vcma9_cantest(int);extern int vcma9_nandtest(void);extern int vcma9_nanderase(void);extern int vcma9_nandread(ulong);extern int vcma9_nandwrite(ulong);extern int vcma9_dactest(int);extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);/* ------------------------------------------------------------------------- */int do_vcma9(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]){	DECLARE_GLOBAL_DATA_PTR;	if (strcmp(argv[1], "info") == 0)	{		print_vcma9_info();	 	return 0;   	}#if defined(CONFIG_DRIVER_CS8900)	if (strcmp(argv[1], "cs8900_eeprom") == 0) {		if (strcmp(argv[2], "read") == 0) {			uchar addr; ushort data;			addr = simple_strtoul(argv[3], NULL, 16);			cs8900_e2prom_read(addr, &data);			printf("0x%2.2X: 0x%4.4X\n", addr, data);		} else if (strcmp(argv[2], "write") == 0) {			uchar addr; ushort data;			addr = simple_strtoul(argv[3], NULL, 16);			data = simple_strtoul(argv[4], NULL, 16);			cs8900_e2prom_write(addr, data);		} else if (strcmp(argv[2], "setaddr") == 0) {			uchar addr, i, csum; ushort data;			/* check for valid ethaddr */			for (i = 0; i < 6; i++)				if (gd->bd->bi_enetaddr[i] != 0)					break;			if (i < 6) {				addr = 1;				data = 0x2158;				cs8900_e2prom_write(addr, data);				csum = cs8900_chksum(data);				addr++;				for (i = 0; i < 6; i+=2) {					data = gd->bd->bi_enetaddr[i+1] << 8 |					       gd->bd->bi_enetaddr[i];					cs8900_e2prom_write(addr, data);					csum += cs8900_chksum(data);					addr++;				}				/* calculate header link byte */				data = 0xA100 | (addr * 2);				cs8900_e2prom_write(0, data);				csum += cs8900_chksum(data);				/* write checksum word */				cs8900_e2prom_write(addr, (0 - csum) << 8);			} else {				printf("\nplease defined 'ethaddr'\n");			}		} else if (strcmp(argv[2], "dump") == 0) {			uchar addr = 0, endaddr, csum; ushort data;			printf("Dump of CS8900 config device: ");			cs8900_e2prom_read(addr, &data);			if ((data & 0xE000) == 0xA000) {				endaddr = (data & 0x00FF) / 2;				csum = cs8900_chksum(data);				for (addr = 1; addr <= endaddr; addr++) {					cs8900_e2prom_read(addr, &data);					printf("\n0x%2.2X: 0x%4.4X", addr, data);					csum += cs8900_chksum(data);				}				printf("\nChecksum: %s", (csum == 0) ? "ok" : "wrong");			} else {				printf("no valid config found");			}			printf("\n");		}		return 0;	}#endif#if 0	if (strcmp(argv[1], "cantest") == 0) {		if (argc >= 3)			vcma9_cantest(strcmp(argv[2], "s") ? 0 : 1);		else			vcma9_cantest(0);		return 0;	}	if (strcmp(argv[1], "nandtest") == 0) {		vcma9_nandtest();		return 0;	}	if (strcmp(argv[1], "nanderase") == 0) {		vcma9_nanderase();		return 0;	}	if (strcmp(argv[1], "nandread") == 0) {		ulong offset = 0;		if (argc >= 3)			offset = simple_strtoul(argv[2], NULL, 16);		vcma9_nandread(offset);		return 0;	}	if (strcmp(argv[1], "nandwrite") == 0) {		ulong offset = 0;		if (argc >= 3)			offset = simple_strtoul(argv[2], NULL, 16);		vcma9_nandwrite(offset);		return 0;	}	if (strcmp(argv[1], "dactest") == 0) {		if (argc >= 3)			vcma9_dactest(strcmp(argv[2], "s") ? 0 : 1);		else		vcma9_dactest(0);		return 0;	}#endif	return (do_mplcommon(cmdtp, flag, argc, argv));}U_BOOT_CMD(	vcma9, 6, 1, do_vcma9,	"vcma9   - VCMA9 specific commands\n",	"flash mem [SrcAddr]\n    - updates U-Boot with image in memory\n");