[people/ms/u-boot.git] / board / mpl / common / common_util.c

/*
 * (C) Copyright 2001
 * Denis Peter, MPL AG Switzerland, d.peter@mpl.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 <video_fb.h>
#include "common_util.h"
#include <asm/processor.h>
#include <asm/byteorder.h>
#include <i2c.h>
#include <pci.h>
#include <malloc.h>
#include <bzlib.h>

#ifdef CONFIG_PIP405
#include "../pip405/pip405.h"
#include <asm/4xx_pci.h>
#endif
#ifdef CONFIG_MIP405
#include "../mip405/mip405.h"
#include <asm/4xx_pci.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

#if defined(CONFIG_PATI)
#define FIRM_START 0xFFF00000
#endif

extern int mem_test(ulong start, ulong ramsize, int quiet);

#define I2C_BACKUP_ADDR 0x7C00		/* 0x200 bytes for backup */
#define IMAGE_SIZE CONFIG_SYS_MONITOR_LEN	/* ugly, but it works for now */

extern flash_info_t flash_info[];	/* info for FLASH chips */

static int
mpl_prg(uchar *src, ulong size)
{
	ulong start;
	flash_info_t *info;
	int i, rc;
#if defined(CONFIG_PATI)
	int start_sect;
#endif
#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
	char *copystr = (char *)src;
	ulong *magic = (ulong *)src;
#endif

	info = &flash_info[0];

#if defined(CONFIG_PIP405) || defined(CONFIG_MIP405) || defined(CONFIG_PATI)
	if (uimage_to_cpu (magic[0]) != IH_MAGIC) {
		puts("Bad Magic number\n");
		return -1;
	}
	/* some more checks before we delete the Flash... */
	/* Checking the ISO_STRING prevents to program a
	 * wrong Firmware Image into the flash.
	 */
	i = 4; /* skip Magic number */
	while (1) {
		if (strncmp(&copystr[i], "MEV-", 4) == 0)
			break;
		if (i++ >= 0x100) {
			puts("Firmware Image for unknown Target\n");
			return -1;
		}
	}
	/* we have the ISO STRING, check */
	if (strncmp(&copystr[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
		printf("Wrong Firmware Image: %s\n", &copystr[i]);
		return -1;
	}
#if !defined(CONFIG_PATI)
	start = 0 - size;
	for (i = info->sector_count-1; i > 0; i--) {
		info->protect[i] = 0; /* unprotect this sector */
		if (start >= info->start[i])
			break;
	}
	/* set-up flash location */
	/* now erase flash */
	printf("Erasing at %lx (sector %d) (start %lx)\n",
				start,i,info->start[i]);
	if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
		puts("ERROR ");
		flash_perror(rc);
		return (1);
	}

#else /* #if !defined(CONFIG_PATI */
	start = FIRM_START;
	start_sect = -1;
	for (i = 0; i < info->sector_count; i++) {
		if (start < info->start[i]) {
			start_sect = i - 1;
			break;
		}
	}

	info->protect[i - 1] = 0;	/* unprotect this sector */
	for (; i < info->sector_count; i++) {
		if ((start + size) < info->start[i])
			break;
		info->protect[i] = 0;	/* unprotect this sector */
	}

	i--;
	/* set-up flash location */
	/* now erase flash */
	printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
		start, start + size, start_sect, i,
		info->start[start_sect], info->start[i]);
	if ((rc = flash_erase (info, start_sect, i)) != 0) {
		puts ("ERROR ");
		flash_perror (rc);
		return (1);
	}
#endif /* defined(CONFIG_PATI) */

#elif defined(CONFIG_VCMA9)
	start = 0;
	for (i = 0; i <info->sector_count; i++) {
		info->protect[i] = 0; /* unprotect this sector */
		if (size < info->start[i])
		    break;
	}
	/* set-up flash location */
	/* now erase flash */
	printf("Erasing at %lx (sector %d) (start %lx)\n",
				start,0,info->start[0]);
	if ((rc = flash_erase (info, 0, i)) != 0) {
		puts("ERROR ");
		flash_perror(rc);
		return (1);
	}

#endif
	printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
		(ulong)src, size);
	if ((rc = flash_write ((char *)src, start, size)) != 0) {
		puts("ERROR ");
		flash_perror(rc);
		return (1);
	}
	puts("OK programming done\n");
	return 0;
}


static int
mpl_prg_image(uchar *ld_addr)
{
	unsigned long len;
	uchar *data;
	image_header_t *hdr = (image_header_t *)ld_addr;
	int rc;

#if defined(CONFIG_FIT)
	if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
		puts ("Non legacy image format not supported\n");
		return -1;
	}
#endif

	if (!image_check_magic (hdr)) {
		puts("Bad Magic Number\n");
		return 1;
	}
	image_print_contents (hdr);
	if (!image_check_os (hdr, IH_OS_U_BOOT)) {
		puts("No U-Boot Image\n");
		return 1;
	}
	if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
		puts("No Firmware Image\n");
		return 1;
	}
	if (!image_check_hcrc (hdr)) {
		puts("Bad Header Checksum\n");
		return 1;
	}
	puts("Verifying Checksum ... ");
	if (!image_check_dcrc (hdr)) {
		puts("Bad Data CRC\n");
		return 1;
	}
	puts("OK\n");

	data = (uchar *)image_get_data (hdr);
	len = image_get_data_size (hdr);

	if (image_get_comp (hdr) != IH_COMP_NONE) {
		uchar *buf;
		/* reserve space for uncompressed image */
		if ((buf = malloc(IMAGE_SIZE)) == NULL) {
			puts("Insufficient space for decompression\n");
			return 1;
		}

		switch (image_get_comp (hdr)) {
		case IH_COMP_GZIP:
			puts("Uncompressing (GZIP) ... ");
			rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
			if (rc != 0) {
				puts("GUNZIP ERROR\n");
				free(buf);
				return 1;
			}
			puts("OK\n");
			break;
#ifdef CONFIG_BZIP2
		case IH_COMP_BZIP2:
			puts("Uncompressing (BZIP2) ... ");
			{
			uint retlen = IMAGE_SIZE;
			rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
				(char *)data, len, 0, 0);
			len = retlen;
			}
			if (rc != BZ_OK) {
				printf ("BUNZIP2 ERROR: %d\n", rc);
				free(buf);
				return 1;
			}
			puts("OK\n");
			break;
#endif
		default:
			printf ("Unimplemented compression type %d\n",
				image_get_comp (hdr));
			free(buf);
			return 1;
		}

		rc = mpl_prg(buf, len);
		free(buf);
	} else {
		rc = mpl_prg(data, len);
	}

	return(rc);
}

#if !defined(CONFIG_PATI)
void get_backup_values(backup_t *buf)
{
	i2c_read(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
}

void set_backup_values(int overwrite)
{
	backup_t back;
	int i;

	get_backup_values(&back);
	if(!overwrite) {
		if(strncmp(back.signature,"MPL\0",4)==0) {
			puts("Not possible to write Backup\n");
			return;
		}
	}
	memcpy(back.signature,"MPL\0",4);
	i = getenv_r("serial#",back.serial_name,16);
	if(i < 0) {
		puts("Not possible to write Backup\n");
		return;
	}
	back.serial_name[16]=0;
	i = getenv_r("ethaddr",back.eth_addr,20);
	if(i < 0) {
		puts("Not possible to write Backup\n");
		return;
	}
	back.eth_addr[20]=0;
	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
}

void clear_env_values(void)
{
	backup_t back;
	unsigned char env_crc[4];

	memset(&back,0xff,sizeof(backup_t));
	memset(env_crc,0x00,4);
	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,CONFIG_ENV_OFFSET,2,(void *)env_crc,4);
}

/*
 * check crc of "older" environment
 */
int check_env_old_size(ulong oldsize)
{
	ulong crc, len, new;
	unsigned off;
	uchar buf[64];

	/* read old CRC */
	eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR,
		     CONFIG_ENV_OFFSET,
		     (uchar *)&crc, sizeof(ulong));

	new = 0;
	len = oldsize;
	off = sizeof(long);
	len = oldsize-off;
	while (len > 0) {
		int n = (len > sizeof(buf)) ? sizeof(buf) : len;

		eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, buf, n);
		new = crc32 (new, buf, n);
		len -= n;
		off += n;
	}

	return (crc == new);
}

static ulong oldsizes[] = {
	0x200,
	0x800,
	0
};

void copy_old_env(ulong size)
{
	uchar name_buf[64];
	uchar value_buf[0x800];
	uchar c;
	ulong len;
	unsigned off;
	uchar *name, *value;

	name = &name_buf[0];
	value = &value_buf[0];
	len=size;
	off = sizeof(long);
	while (len > off) {
		eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
		if(c != '=') {
			*name++=c;
			off++;
		}
		else {
			*name++='\0';
			off++;
			do {
				eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
				*value++=c;
				off++;
				if(c == '\0')
					break;
			} while(len > off);
			name = &name_buf[0];
			value = &value_buf[0];
			if(strncmp((char *)name,"baudrate",8)!=0) {
				setenv((char *)name,(char *)value);
			}

		}
	}
}


void check_env(void)
{
	char *s;
	int i=0;
	char buf[32];
	backup_t back;

	s=getenv("serial#");
	if(!s) {
		while(oldsizes[i]) {
			if(check_env_old_size(oldsizes[i]))
				break;
			i++;
		}
		if(!oldsizes[i]) {
			/* no old environment has been found */
			get_backup_values (&back);
			if (strncmp (back.signature, "MPL\0", 4) == 0) {
				sprintf (buf, "%s", back.serial_name);
				setenv ("serial#", buf);
				sprintf (buf, "%s", back.eth_addr);
				setenv ("ethaddr", buf);
				printf ("INFO:  serial# and ethaddr recovered, use saveenv\n");
				return;
			}
		}
		else {
			copy_old_env(oldsizes[i]);
			puts("INFO:  old environment ajusted, use saveenv\n");
		}
	}
	else {
		/* check if back up is set */
		get_backup_values(&back);
		if(strncmp(back.signature,"MPL\0",4)!=0) {
			set_backup_values(0);
		}
	}
}

#endif /* #if !defined(CONFIG_PATI) */

int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	ulong size,src,ld_addr;
	int result;
#if !defined(CONFIG_PATI)
	backup_t back;
	src = MULTI_PURPOSE_SOCKET_ADDR;
	size = IMAGE_SIZE;
#endif

	if (strcmp(argv[1], "flash") == 0)
	{
#if defined(CONFIG_CMD_FDC)
		if (strcmp(argv[2], "floppy") == 0) {
			char *local_args[3];
			extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
			puts("\nupdating bootloader image from floppy\n");
			local_args[0] = argv[0];
			if(argc==4) {
				local_args[1] = argv[3];
				local_args[2] = NULL;
				ld_addr=simple_strtoul(argv[3], NULL, 16);
				result=do_fdcboot(cmdtp, 0, 2, local_args);
			}
			else {
				local_args[1] = NULL;
				ld_addr=CONFIG_SYS_LOAD_ADDR;
				result=do_fdcboot(cmdtp, 0, 1, local_args);
			}
			result=mpl_prg_image((uchar *)ld_addr);
			return result;
		}
#endif
		if (strcmp(argv[2], "mem") == 0) {
			if(argc==4) {
				ld_addr=simple_strtoul(argv[3], NULL, 16);
			}
			else {
				ld_addr=load_addr;
			}
			printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
			result=mpl_prg_image((uchar *)ld_addr);
			return result;
		}
#if !defined(CONFIG_PATI)
		if (strcmp(argv[2], "mps") == 0) {
			puts("\nupdating bootloader image from MPS\n");
			result=mpl_prg((uchar *)src,size);
			return result;
		}
#endif /* #if !defined(CONFIG_PATI)	*/
	}
	if (strcmp(argv[1], "mem") == 0)
	{
		result=0;
		if(argc==3)
		{
			result = (int)simple_strtol(argv[2], NULL, 16);
	    }
	    src=(unsigned long)&result;
	    src-=CONFIG_SYS_MEMTEST_START;
	    src-=(100*1024); /* - 100k */
	    src&=0xfff00000;
	    size=0;
	    do {
		size++;
			printf("\n\nPass %ld\n",size);
			mem_test(CONFIG_SYS_MEMTEST_START,src,1);
			if(ctrlc())
				break;
			if(result>0)
				result--;

		}while(result);
		return 0;
	}
#if !defined(CONFIG_PATI)
	if (strcmp(argv[1], "clearenvvalues") == 0)
	{
		if (strcmp(argv[2], "yes") == 0)
		{
			clear_env_values();
			return 0;
		}
	}
	if (strcmp(argv[1], "getback") == 0) {
		get_backup_values(&back);
		back.signature[3]=0;
		back.serial_name[16]=0;
		back.eth_addr[20]=0;
		printf("GetBackUp: signature: %s\n",back.signature);
		printf("           serial#:   %s\n",back.serial_name);
		printf("           ethaddr:   %s\n",back.eth_addr);
		return 0;
	}
	if (strcmp(argv[1], "setback") == 0) {
		set_backup_values(1);
		return 0;
	}
#endif
	return cmd_usage(cmdtp);
}


#if defined(CONFIG_CMD_DOC)
void doc_init (void)
{
  doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
}
#endif


#ifdef CONFIG_VIDEO
/******************************************************
 * Routines to display the Board information
 * to the screen (since the VGA will be initialized as last,
 * we must resend the infos)
 */

#ifdef CONFIG_CONSOLE_EXTRA_INFO
extern GraphicDevice ctfb;
extern int get_boot_mode(void);

void video_get_info_str (int line_number, char *info)
{
	/* init video info strings for graphic console */
	PPC4xx_SYS_INFO sys_info;
	char rev;
	int i,boot;
	unsigned long pvr;
	char buf[64];
	char buf1[32], buf2[32], buf3[32], buf4[32];
	char cpustr[16];
	char *s, *e, bc;
	switch (line_number)
	{
	case 2:
		/* CPU and board infos */
		pvr=get_pvr();
		get_sys_info (&sys_info);
		switch (pvr) {
			case PVR_405GP_RB: rev='B'; break;
			case PVR_405GP_RC: rev='C'; break;
			case PVR_405GP_RD: rev='D'; break;
			case PVR_405GP_RE: rev='E'; break;
			case PVR_405GPR_RB: rev='B'; break;
			default:           rev='?'; break;
		}
		if(pvr==PVR_405GPR_RB)
			sprintf(cpustr,"PPC405GPr %c",rev);
		else
			sprintf(cpustr,"PPC405GP %c",rev);
		/* Board info */
		i=0;
		s=getenv ("serial#");
#ifdef CONFIG_PIP405
		if (!s || strncmp (s, "PIP405", 6)) {
			sprintf(buf,"### No HW ID - assuming PIP405");
		}
#endif
#ifdef CONFIG_MIP405
		if (!s || strncmp (s, "MIP405", 6)) {
			sprintf(buf,"### No HW ID - assuming MIP405");
		}
#endif
		else {
			for (e = s; *e; ++e) {
				if (*e == ' ')
					break;
			}
			for (; s < e; ++s) {
				if (*s == '_') {
					++s;
					break;
				}
				buf[i++] = *s;
			}
			sprintf(&buf[i]," SN ");
			i+=4;
			for (; s < e; ++s) {
				buf[i++] = *s;
			}
			buf[i++]=0;
		}
		sprintf (info," %s %s %s MHz (%s/%s/%s MHz)",
			buf, cpustr,
			strmhz (buf1, gd->cpu_clk),
			strmhz (buf2, sys_info.freqPLB),
			strmhz (buf3, sys_info.freqPLB / sys_info.pllOpbDiv),
			strmhz (buf4, sys_info.freqPLB / sys_info.pllExtBusDiv));
		return;
	case 3:
		/* Memory Info */
		boot = get_boot_mode();
		bc = in8 (CONFIG_PORT_ADDR);
		sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
			gd->bd->bi_memsize / 0x100000,
			gd->bd->bi_flashsize / 0x100000,
			bc,
			(boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
			ctfb.modeIdent);
		return;
	case 1:
		sprintf	(buf, "%s",CONFIG_IDENT_STRING);
		sprintf (info, " %s", &buf[1]);
		return;
    }
    /* no more info lines */
    *info = 0;
    return;
}
#endif /* CONFIG_CONSOLE_EXTRA_INFO */

#endif /* CONFIG_VIDEO */
Commit	Line	Data
	1	/*
	2	* (C) Copyright 2001
	3	* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*
	23	*/
	24
	25	#include <common.h>
	26	#include <command.h>
	27	#include <video_fb.h>
	28	#include "common_util.h"
	29	#include <asm/processor.h>
	30	#include <asm/byteorder.h>
	31	#include <i2c.h>
	32	#include <pci.h>
	33	#include <malloc.h>
	34	#include <bzlib.h>
	35
	36	#ifdef CONFIG_PIP405
	37	#include "../pip405/pip405.h"
	38	#include <asm/4xx_pci.h>
	39	#endif
	40	#ifdef CONFIG_MIP405
	41	#include "../mip405/mip405.h"
	42	#include <asm/4xx_pci.h>
	43	#endif
	44
	45	DECLARE_GLOBAL_DATA_PTR;
	46
	47	#if defined(CONFIG_PATI)
	48	#define FIRM_START 0xFFF00000
	49	#endif
	50
	51	extern int mem_test(ulong start, ulong ramsize, int quiet);
	52
	53	#define I2C_BACKUP_ADDR 0x7C00 /* 0x200 bytes for backup */
	54	#define IMAGE_SIZE CONFIG_SYS_MONITOR_LEN /* ugly, but it works for now */
	55
	56	extern flash_info_t flash_info[]; /* info for FLASH chips */
	57
	58	static int
	59	mpl_prg(uchar *src, ulong size)
	60	{
	61	ulong start;
	62	flash_info_t *info;
	63	int i, rc;
	64	#if defined(CONFIG_PATI)
	65	int start_sect;
	66	#endif
	67	#if defined(CONFIG_PIP405) \|\| defined(CONFIG_MIP405) \|\| defined(CONFIG_PATI)
	68	char copystr = (char )src;
	69	ulong magic = (ulong )src;
	70	#endif
	71
	72	info = &flash_info[0];
	73
	74	#if defined(CONFIG_PIP405) \|\| defined(CONFIG_MIP405) \|\| defined(CONFIG_PATI)
	75	if (uimage_to_cpu (magic[0]) != IH_MAGIC) {
	76	puts("Bad Magic number\n");
	77	return -1;
	78	}
	79	/* some more checks before we delete the Flash... */
	80	/* Checking the ISO_STRING prevents to program a
	81	* wrong Firmware Image into the flash.
	82	*/
	83	i = 4; /* skip Magic number */
	84	while (1) {
	85	if (strncmp(&copystr[i], "MEV-", 4) == 0)
	86	break;
	87	if (i++ >= 0x100) {
	88	puts("Firmware Image for unknown Target\n");
	89	return -1;
	90	}
	91	}
	92	/* we have the ISO STRING, check */
	93	if (strncmp(&copystr[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
	94	printf("Wrong Firmware Image: %s\n", &copystr[i]);
	95	return -1;
	96	}
	97	#if !defined(CONFIG_PATI)
	98	start = 0 - size;
	99	for (i = info->sector_count-1; i > 0; i--) {
	100	info->protect[i] = 0; /* unprotect this sector */
	101	if (start >= info->start[i])
	102	break;
	103	}
	104	/* set-up flash location */
	105	/* now erase flash */
	106	printf("Erasing at %lx (sector %d) (start %lx)\n",
	107	start,i,info->start[i]);
	108	if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
	109	puts("ERROR ");
	110	flash_perror(rc);
	111	return (1);
	112	}
	113
	114	#else /* #if !defined(CONFIG_PATI */
	115	start = FIRM_START;
	116	start_sect = -1;
	117	for (i = 0; i < info->sector_count; i++) {
	118	if (start < info->start[i]) {
	119	start_sect = i - 1;
	120	break;
	121	}
	122	}
	123
	124	info->protect[i - 1] = 0; /* unprotect this sector */
	125	for (; i < info->sector_count; i++) {
	126	if ((start + size) < info->start[i])
	127	break;
	128	info->protect[i] = 0; /* unprotect this sector */
	129	}
	130
	131	i--;
	132	/* set-up flash location */
	133	/* now erase flash */
	134	printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
	135	start, start + size, start_sect, i,
	136	info->start[start_sect], info->start[i]);
	137	if ((rc = flash_erase (info, start_sect, i)) != 0) {
	138	puts ("ERROR ");
	139	flash_perror (rc);
	140	return (1);
	141	}
	142	#endif /* defined(CONFIG_PATI) */
	143
	144	#elif defined(CONFIG_VCMA9)
	145	start = 0;
	146	for (i = 0; i <info->sector_count; i++) {
	147	info->protect[i] = 0; /* unprotect this sector */
	148	if (size < info->start[i])
	149	break;
	150	}
	151	/* set-up flash location */
	152	/* now erase flash */
	153	printf("Erasing at %lx (sector %d) (start %lx)\n",
	154	start,0,info->start[0]);
	155	if ((rc = flash_erase (info, 0, i)) != 0) {
	156	puts("ERROR ");
	157	flash_perror(rc);
	158	return (1);
	159	}
	160
	161	#endif
	162	printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
	163	(ulong)src, size);
	164	if ((rc = flash_write ((char *)src, start, size)) != 0) {
	165	puts("ERROR ");
	166	flash_perror(rc);
	167	return (1);
	168	}
	169	puts("OK programming done\n");
	170	return 0;
	171	}
	172
	173
	174	static int
	175	mpl_prg_image(uchar *ld_addr)
	176	{
	177	unsigned long len;
	178	uchar *data;
	179	image_header_t hdr = (image_header_t )ld_addr;
	180	int rc;
	181
	182	#if defined(CONFIG_FIT)
	183	if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
	184	puts ("Non legacy image format not supported\n");
	185	return -1;
	186	}
	187	#endif
	188
	189	if (!image_check_magic (hdr)) {
	190	puts("Bad Magic Number\n");
	191	return 1;
	192	}
	193	image_print_contents (hdr);
	194	if (!image_check_os (hdr, IH_OS_U_BOOT)) {
	195	puts("No U-Boot Image\n");
	196	return 1;
	197	}
	198	if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
	199	puts("No Firmware Image\n");
	200	return 1;
	201	}
	202	if (!image_check_hcrc (hdr)) {
	203	puts("Bad Header Checksum\n");
	204	return 1;
	205	}
	206	puts("Verifying Checksum ... ");
	207	if (!image_check_dcrc (hdr)) {
	208	puts("Bad Data CRC\n");
	209	return 1;
	210	}
	211	puts("OK\n");
	212
	213	data = (uchar *)image_get_data (hdr);
	214	len = image_get_data_size (hdr);
	215
	216	if (image_get_comp (hdr) != IH_COMP_NONE) {
	217	uchar *buf;
	218	/* reserve space for uncompressed image */
	219	if ((buf = malloc(IMAGE_SIZE)) == NULL) {
	220	puts("Insufficient space for decompression\n");
	221	return 1;
	222	}
	223
	224	switch (image_get_comp (hdr)) {
	225	case IH_COMP_GZIP:
	226	puts("Uncompressing (GZIP) ... ");
	227	rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
	228	if (rc != 0) {
	229	puts("GUNZIP ERROR\n");
	230	free(buf);
	231	return 1;
	232	}
	233	puts("OK\n");
	234	break;
	235	#ifdef CONFIG_BZIP2
	236	case IH_COMP_BZIP2:
	237	puts("Uncompressing (BZIP2) ... ");
	238	{
	239	uint retlen = IMAGE_SIZE;
	240	rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
	241	(char *)data, len, 0, 0);
	242	len = retlen;
	243	}
	244	if (rc != BZ_OK) {
	245	printf ("BUNZIP2 ERROR: %d\n", rc);
	246	free(buf);
	247	return 1;
	248	}
	249	puts("OK\n");
	250	break;
	251	#endif
	252	default:
	253	printf ("Unimplemented compression type %d\n",
	254	image_get_comp (hdr));
	255	free(buf);
	256	return 1;
	257	}
	258
	259	rc = mpl_prg(buf, len);
	260	free(buf);
	261	} else {
	262	rc = mpl_prg(data, len);
	263	}
	264
	265	return(rc);
	266	}
	267
	268	#if !defined(CONFIG_PATI)
	269	void get_backup_values(backup_t *buf)
	270	{
	271	i2c_read(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
	272	}
	273
	274	void set_backup_values(int overwrite)
	275	{
	276	backup_t back;
	277	int i;
	278
	279	get_backup_values(&back);
	280	if(!overwrite) {
	281	if(strncmp(back.signature,"MPL\0",4)==0) {
	282	puts("Not possible to write Backup\n");
	283	return;
	284	}
	285	}
	286	memcpy(back.signature,"MPL\0",4);
	287	i = getenv_r("serial#",back.serial_name,16);
	288	if(i < 0) {
	289	puts("Not possible to write Backup\n");
	290	return;
	291	}
	292	back.serial_name[16]=0;
	293	i = getenv_r("ethaddr",back.eth_addr,20);
	294	if(i < 0) {
	295	puts("Not possible to write Backup\n");
	296	return;
	297	}
	298	back.eth_addr[20]=0;
	299	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
	300	}
	301
	302	void clear_env_values(void)
	303	{
	304	backup_t back;
	305	unsigned char env_crc[4];
	306
	307	memset(&back,0xff,sizeof(backup_t));
	308	memset(env_crc,0x00,4);
	309	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
	310	i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,CONFIG_ENV_OFFSET,2,(void *)env_crc,4);
	311	}
	312
	313	/*
	314	* check crc of "older" environment
	315	*/
	316	int check_env_old_size(ulong oldsize)
	317	{
	318	ulong crc, len, new;
	319	unsigned off;
	320	uchar buf[64];
	321
	322	/* read old CRC */
	323	eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR,
	324	CONFIG_ENV_OFFSET,
	325	(uchar *)&crc, sizeof(ulong));
	326
	327	new = 0;
	328	len = oldsize;
	329	off = sizeof(long);
	330	len = oldsize-off;
	331	while (len > 0) {
	332	int n = (len > sizeof(buf)) ? sizeof(buf) : len;
	333
	334	eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, buf, n);
	335	new = crc32 (new, buf, n);
	336	len -= n;
	337	off += n;
	338	}
	339
	340	return (crc == new);
	341	}
	342
	343	static ulong oldsizes[] = {
	344	0x200,
	345	0x800,
	346	0
	347	};
	348
	349	void copy_old_env(ulong size)
	350	{
	351	uchar name_buf[64];
	352	uchar value_buf[0x800];
	353	uchar c;
	354	ulong len;
	355	unsigned off;
	356	uchar name, value;
	357
	358	name = &name_buf[0];
	359	value = &value_buf[0];
	360	len=size;
	361	off = sizeof(long);
	362	while (len > off) {
	363	eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
	364	if(c != '=') {
	365	*name++=c;
	366	off++;
	367	}
	368	else {
	369	*name++='\0';
	370	off++;
	371	do {
	372	eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
	373	*value++=c;
	374	off++;
	375	if(c == '\0')
	376	break;
	377	} while(len > off);
	378	name = &name_buf[0];
	379	value = &value_buf[0];
	380	if(strncmp((char *)name,"baudrate",8)!=0) {
	381	setenv((char )name,(char )value);
	382	}
	383
	384	}
	385	}
	386	}
	387
	388
	389	void check_env(void)
	390	{
	391	char *s;
	392	int i=0;
	393	char buf[32];
	394	backup_t back;
	395
	396	s=getenv("serial#");
	397	if(!s) {
	398	while(oldsizes[i]) {
	399	if(check_env_old_size(oldsizes[i]))
	400	break;
	401	i++;
	402	}
	403	if(!oldsizes[i]) {
	404	/* no old environment has been found */
	405	get_backup_values (&back);
	406	if (strncmp (back.signature, "MPL\0", 4) == 0) {
	407	sprintf (buf, "%s", back.serial_name);
	408	setenv ("serial#", buf);
	409	sprintf (buf, "%s", back.eth_addr);
	410	setenv ("ethaddr", buf);
	411	printf ("INFO: serial# and ethaddr recovered, use saveenv\n");
	412	return;
	413	}
	414	}
	415	else {
	416	copy_old_env(oldsizes[i]);
	417	puts("INFO: old environment ajusted, use saveenv\n");
	418	}
	419	}
	420	else {
	421	/* check if back up is set */
	422	get_backup_values(&back);
	423	if(strncmp(back.signature,"MPL\0",4)!=0) {
	424	set_backup_values(0);
	425	}
	426	}
	427	}
	428
	429	#endif /* #if !defined(CONFIG_PATI) */
	430
	431	int do_mplcommon(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	432	{
	433	ulong size,src,ld_addr;
	434	int result;
	435	#if !defined(CONFIG_PATI)
	436	backup_t back;
	437	src = MULTI_PURPOSE_SOCKET_ADDR;
	438	size = IMAGE_SIZE;
	439	#endif
	440
	441	if (strcmp(argv[1], "flash") == 0)
	442	{
	443	#if defined(CONFIG_CMD_FDC)
	444	if (strcmp(argv[2], "floppy") == 0) {
	445	char *local_args[3];
	446	extern int do_fdcboot (cmd_tbl_t , int, int, char []);
	447	puts("\nupdating bootloader image from floppy\n");
	448	local_args[0] = argv[0];
	449	if(argc==4) {
	450	local_args[1] = argv[3];
	451	local_args[2] = NULL;
	452	ld_addr=simple_strtoul(argv[3], NULL, 16);
	453	result=do_fdcboot(cmdtp, 0, 2, local_args);
	454	}
	455	else {
	456	local_args[1] = NULL;
	457	ld_addr=CONFIG_SYS_LOAD_ADDR;
	458	result=do_fdcboot(cmdtp, 0, 1, local_args);
	459	}
	460	result=mpl_prg_image((uchar *)ld_addr);
	461	return result;
	462	}
	463	#endif
	464	if (strcmp(argv[2], "mem") == 0) {
	465	if(argc==4) {
	466	ld_addr=simple_strtoul(argv[3], NULL, 16);
	467	}
	468	else {
	469	ld_addr=load_addr;
	470	}
	471	printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
	472	result=mpl_prg_image((uchar *)ld_addr);
	473	return result;
	474	}
	475	#if !defined(CONFIG_PATI)
	476	if (strcmp(argv[2], "mps") == 0) {
	477	puts("\nupdating bootloader image from MPS\n");
	478	result=mpl_prg((uchar *)src,size);
	479	return result;
	480	}
	481	#endif /* #if !defined(CONFIG_PATI) */
	482	}
	483	if (strcmp(argv[1], "mem") == 0)
	484	{
	485	result=0;
	486	if(argc==3)
	487	{
	488	result = (int)simple_strtol(argv[2], NULL, 16);
	489	}
	490	src=(unsigned long)&result;
	491	src-=CONFIG_SYS_MEMTEST_START;
	492	src-=(1001024); / - 100k */
	493	src&=0xfff00000;
	494	size=0;
	495	do {
	496	size++;
	497	printf("\n\nPass %ld\n",size);
	498	mem_test(CONFIG_SYS_MEMTEST_START,src,1);
	499	if(ctrlc())
	500	break;
	501	if(result>0)
	502	result--;
	503
	504	}while(result);
	505	return 0;
	506	}
	507	#if !defined(CONFIG_PATI)
	508	if (strcmp(argv[1], "clearenvvalues") == 0)
	509	{
	510	if (strcmp(argv[2], "yes") == 0)
	511	{
	512	clear_env_values();
	513	return 0;
	514	}
	515	}
	516	if (strcmp(argv[1], "getback") == 0) {
	517	get_backup_values(&back);
	518	back.signature[3]=0;
	519	back.serial_name[16]=0;
	520	back.eth_addr[20]=0;
	521	printf("GetBackUp: signature: %s\n",back.signature);
	522	printf(" serial#: %s\n",back.serial_name);
	523	printf(" ethaddr: %s\n",back.eth_addr);
	524	return 0;
	525	}
	526	if (strcmp(argv[1], "setback") == 0) {
	527	set_backup_values(1);
	528	return 0;
	529	}
	530	#endif
	531	return cmd_usage(cmdtp);
	532	}
	533
	534
	535	#if defined(CONFIG_CMD_DOC)
	536	void doc_init (void)
	537	{
	538	doc_probe(MULTI_PURPOSE_SOCKET_ADDR);
	539	}
	540	#endif
	541
	542
	543	#ifdef CONFIG_VIDEO
	544	/******************************************************
	545	* Routines to display the Board information
	546	* to the screen (since the VGA will be initialized as last,
	547	* we must resend the infos)
	548	*/
	549
	550	#ifdef CONFIG_CONSOLE_EXTRA_INFO
	551	extern GraphicDevice ctfb;
	552	extern int get_boot_mode(void);
	553
	554	void video_get_info_str (int line_number, char *info)
	555	{
	556	/* init video info strings for graphic console */
	557	PPC4xx_SYS_INFO sys_info;
	558	char rev;
	559	int i,boot;
	560	unsigned long pvr;
	561	char buf[64];
	562	char buf1[32], buf2[32], buf3[32], buf4[32];
	563	char cpustr[16];
	564	char s, e, bc;
	565	switch (line_number)
	566	{
	567	case 2:
	568	/* CPU and board infos */
	569	pvr=get_pvr();
	570	get_sys_info (&sys_info);
	571	switch (pvr) {
	572	case PVR_405GP_RB: rev='B'; break;
	573	case PVR_405GP_RC: rev='C'; break;
	574	case PVR_405GP_RD: rev='D'; break;
	575	case PVR_405GP_RE: rev='E'; break;
	576	case PVR_405GPR_RB: rev='B'; break;
	577	default: rev='?'; break;
	578	}
	579	if(pvr==PVR_405GPR_RB)
	580	sprintf(cpustr,"PPC405GPr %c",rev);
	581	else
	582	sprintf(cpustr,"PPC405GP %c",rev);
	583	/* Board info */
	584	i=0;
	585	s=getenv ("serial#");
	586	#ifdef CONFIG_PIP405
	587	if (!s \|\| strncmp (s, "PIP405", 6)) {
	588	sprintf(buf,"### No HW ID - assuming PIP405");
	589	}
	590	#endif
	591	#ifdef CONFIG_MIP405
	592	if (!s \|\| strncmp (s, "MIP405", 6)) {
	593	sprintf(buf,"### No HW ID - assuming MIP405");
	594	}
	595	#endif
	596	else {
	597	for (e = s; *e; ++e) {
	598	if (*e == ' ')
	599	break;
	600	}
	601	for (; s < e; ++s) {
	602	if (*s == '_') {
	603	++s;
	604	break;
	605	}
	606	buf[i++] = *s;
	607	}
	608	sprintf(&buf[i]," SN ");
	609	i+=4;
	610	for (; s < e; ++s) {
	611	buf[i++] = *s;
	612	}
	613	buf[i++]=0;
	614	}
	615	sprintf (info," %s %s %s MHz (%s/%s/%s MHz)",
	616	buf, cpustr,
	617	strmhz (buf1, gd->cpu_clk),
	618	strmhz (buf2, sys_info.freqPLB),
	619	strmhz (buf3, sys_info.freqPLB / sys_info.pllOpbDiv),
	620	strmhz (buf4, sys_info.freqPLB / sys_info.pllExtBusDiv));
	621	return;
	622	case 3:
	623	/* Memory Info */
	624	boot = get_boot_mode();
	625	bc = in8 (CONFIG_PORT_ADDR);
	626	sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
	627	gd->bd->bi_memsize / 0x100000,
	628	gd->bd->bi_flashsize / 0x100000,
	629	bc,
	630	(boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
	631	ctfb.modeIdent);
	632	return;
	633	case 1:
	634	sprintf (buf, "%s",CONFIG_IDENT_STRING);
	635	sprintf (info, " %s", &buf[1]);
	636	return;
	637	}
	638	/* no more info lines */
	639	*info = 0;
	640	return;
	641	}
	642	#endif /* CONFIG_CONSOLE_EXTRA_INFO */
	643
	644	#endif /* CONFIG_VIDEO */