Beispiel #1
0
int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
	int i, dev, ret = 0;
	ulong addr, off;
	size_t size;
	char *cmd, *s;
	nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
	int quiet = CONFIG_SYS_NAND_QUIET;
#else
	int quiet = 0;
#endif
	const char *quiet_str = getenv("quiet");

	/* at least two arguments please */
	if (argc < 2)
		goto usage;

	if (quiet_str)
		quiet = simple_strtoul(quiet_str, NULL, 0) != 0;

	cmd = argv[1];

	if (strcmp(cmd, "info") == 0) {

		putc('\n');
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			if (nand_info[i].name)
				nand_print_info(i);
		}
		return 0;
	}

	if (strcmp(cmd, "device") == 0) {

		if (argc < 3) {
			putc('\n');
			if ((nand_curr_device < 0) ||
			    (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
				puts("no devices available\n");
			else
				nand_print_info(nand_curr_device);
			return 0;
		}
		dev = (int)simple_strtoul(argv[2], NULL, 10);
		if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) {
			puts("No such device\n");
			return 1;
		}
		printf("Device %d: %s", dev, nand_info[dev].name);
		puts("... is now current device\n");
		nand_curr_device = dev;

#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
		/*
		 * Select the chip in the board/cpu specific driver
		 */
		board_nand_select_device(nand_info[dev].priv, dev);
#endif

		return 0;
	}

	if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
	    strncmp(cmd, "dump", 4) != 0 &&
	    strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
	    strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
	    strcmp(cmd, "biterr") != 0 &&
	    strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0
#ifdef CONFIG_ENV_OFFSET_OOB
	    && strcmp(cmd, "env.oob") != 0
#endif
	    )
		goto usage;

#ifdef CONFIG_ENV_OFFSET_OOB
	/* this command operates only on the first nand device */
	if (strcmp(cmd, "env.oob") == 0) {
		return do_nand_env_oob(cmdtp, &nand_info[0],
				       argc - 1, argv + 1);
	}
#endif

	/* the following commands operate on the current device */
	if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
	    !nand_info[nand_curr_device].name) {
		puts("\nno devices available\n");
		return 1;
	}
	nand = &nand_info[nand_curr_device];

	if (strcmp(cmd, "bad") == 0) {
		printf("\nDevice %d bad blocks:\n", nand_curr_device);
		for (off = 0; off < nand->size; off += nand->erasesize)
			if (nand_block_isbad(nand, off))
				printf("  %08lx\n", off);
		return 0;
	}

	/*
	 * Syntax is:
	 *   0    1     2       3    4
	 *   nand erase [clean] [off size]
	 */
	if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
		nand_erase_options_t opts;
		/* "clean" at index 2 means request to write cleanmarker */
		int clean = argc > 2 && !strcmp("clean", argv[2]);
		int o = clean ? 3 : 2;
		int scrub = !strcmp(cmd, "scrub");

		printf("\nNAND %s: ", scrub ? "scrub" : "erase");
		/* skip first two or three arguments, look for offset and size */
		if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
			return 1;

		memset(&opts, 0, sizeof(opts));
		opts.offset = off;
		opts.length = size;
		opts.jffs2  = clean;
		opts.quiet  = quiet;

		if (scrub) {
			puts("Warning: "
			     "scrub option will erase all factory set "
			     "bad blocks!\n"
			     "         "
			     "There is no reliable way to recover them.\n"
			     "         "
			     "Use this command only for testing purposes "
			     "if you\n"
			     "         "
			     "are sure of what you are doing!\n"
			     "\nReally scrub this NAND flash? <y/N>\n");

			if (getc() == 'y') {
				puts("y");
				if (getc() == '\r')
					opts.scrub = 1;
				else {
					puts("scrub aborted\n");
					return -1;
				}
			} else {
				puts("scrub aborted\n");
				return -1;
			}
		}
		ret = nand_erase_opts(nand, &opts);
		printf("%s\n", ret ? "ERROR" : "OK");

		return ret == 0 ? 0 : 1;
	}

	if (strncmp(cmd, "dump", 4) == 0) {
		if (argc < 3)
			goto usage;

		s = strchr(cmd, '.');
		off = (int)simple_strtoul(argv[2], NULL, 16);

		if (s != NULL && strcmp(s, ".oob") == 0)
			ret = nand_dump(nand, off, 1);
		else
			ret = nand_dump(nand, off, 0);

		return ret == 0 ? 1 : 0;

	}

	if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
		int read;

		if (argc < 4)
			goto usage;

		addr = (ulong)simple_strtoul(argv[2], NULL, 16);

		read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
		printf("\nNAND %s: ", read ? "read" : "write");
		if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
			return 1;

		s = strchr(cmd, '.');
		if (!s || !strcmp(s, ".jffs2") ||
		    !strcmp(s, ".e") || !strcmp(s, ".i")) {
			if (read)
				ret = nand_read_skip_bad(nand, off, &size,
							 (u_char *)addr);
			else
				ret = nand_write_skip_bad(nand, off, &size,
							  (u_char *)addr);
		} else if (!strcmp(s, ".oob")) {
			/* out-of-band data */
			mtd_oob_ops_t ops = {
				.oobbuf = (u8 *)addr,
				.ooblen = size,
				.mode = MTD_OOB_RAW
			};

			if (read)
				ret = nand->read_oob(nand, off, &ops);
			else
				ret = nand->write_oob(nand, off, &ops);
		} else {
Beispiel #2
0
int do_nand_env_oob(cmd_tbl_t *cmdtp, nand_info_t *nand,
		    int argc, char * const argv[])
{
	int ret;
	uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];

	char *cmd = argv[1];

	if (!strcmp(cmd, "get")) {
		ret = get_nand_env_oob(nand, &nand_env_oob_offset);
		if (ret)
			return 1;

		printf("0x%08lx\n", nand_env_oob_offset);
	} else if (!strcmp(cmd, "set")) {
		ulong addr;
		size_t dummy_size;
		struct mtd_oob_ops ops;

		if (argc < 3)
			goto usage;

		if (arg_off_size(argc - 2, argv + 2, nand, &addr,
				 &dummy_size) < 0) {
			printf("Offset or partition name expected\n");
			return 1;
		}

		if (nand->oobavail < ENV_OFFSET_SIZE) {
			printf("Insufficient available OOB bytes:\n"
			       "%d OOB bytes available but %d required for "
			       "env.oob support\n",
			       nand->oobavail, ENV_OFFSET_SIZE);
			return 1;
		}

		if ((addr & (nand->erasesize - 1)) != 0) {
			printf("Environment offset must be block-aligned\n");
			return 1;
		}

		ops.datbuf = NULL;
		ops.mode = MTD_OOB_AUTO;
		ops.ooboffs = 0;
		ops.ooblen = ENV_OFFSET_SIZE;
		ops.oobbuf = (void *) oob_buf;

		oob_buf[0] = ENV_OOB_MARKER;
		oob_buf[1] = addr / nand->erasesize;

		ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
		if (ret) {
			printf("Error writing OOB block 0\n");
			return ret;
		}

		ret = get_nand_env_oob(nand, &nand_env_oob_offset);
		if (ret) {
			printf("Error reading env offset in OOB\n");
			return ret;
		}

		if (addr != nand_env_oob_offset) {
			printf("Verification of env offset in OOB failed: "
			       "0x%08lx expected but got 0x%08lx\n",
			       addr, nand_env_oob_offset);
			return 1;
		}
	} else {
		goto usage;
	}

	return ret;

usage:
	cmd_usage(cmdtp);
	return 1;
}
Beispiel #3
0
int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
	int i, dev, ret = 0;
	ulong addr;
	loff_t off, size;
	char *cmd, *s;
	nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
	int quiet = CONFIG_SYS_NAND_QUIET;
#else
	int quiet = 0;
#endif
	const char *quiet_str = getenv("quiet");

#if ((defined CONFIG_AML_NAND_KEY) || (defined MX_REVD) || (defined CONFIG_SECURE_NAND))
	int chip_num , tmp_chip_num, error;
	nand = nand_info[nand_curr_device];
	struct mtd_info *mtd =nand;
	struct aml_nand_chip *aml_chip = mtd_to_nand_chip(nand);
#endif

	/* at least two arguments please */
	if (argc < 2)
		goto usage;

	if (quiet_str)
		quiet = simple_strtoul(quiet_str, NULL, 0) != 0;

	cmd = argv[1];
#ifdef CONFIG_AML_NAND_KEY
	if (strcmp(cmd, "key") == 0){
		aml_chip->key_protect = 1;		//force nand key can be erased 
		return 0;
	}
#endif
#ifdef CONFIG_SECURE_NAND
	if (strcmp(cmd, "secure") == 0){
		aml_chip->secure_protect = 1;		//force nand key can be erased
		return 0;
	}
#endif

#ifdef CONFIG_SECURE_NAND
		if (strcmp(cmd, "secure") == 0){
			aml_chip->secure_protect = 1;		//force nand key can be erased 
			return 0;
		}
#endif

	if(strcmp(cmd, "exist") == 0){
		if(nand_info[1]){
			printf("nand exist return 0\n");
			return 0;
		}
		else{
			printf("nand exist return 1\n");
			return 1;
		}
	}
#ifdef MX_REVD
	if (strcmp(cmd, "errstat") == 0){
	    printk("checking chiprev here\n");
        if(aml_chip->err_sts == NAND_CHIP_REVB_HY_ERR){
            printk("Must use RevD chip for Hynix 26nm/20nm nand boot without SPI!!!\n");
            return NAND_CHIP_REVB_HY_ERR;
        }
		return 0;
	}
#endif
#ifdef CONFIG_SECURE_NAND
		if (strcmp(cmd, "secure") == 0){
			aml_chip->secure_protect = 1;		//force nand key can be erased 
			return 0;
		}
#endif

	if (strcmp(cmd, "info") == 0) {
	#ifdef CONFIG_AML_NAND_KEY
		aml_chip->key_protect = 0;		//protect nand key can not be erased
	#endif
	#ifdef CONFIG_SECURE_NAND
		aml_chip->secure_protect = 0;		//protect nand secure can not be erased
	#endif

		putc('\n');
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			nand = nand_info[i];
			if (!nand) {
				nand_init();
				if (!nand)
					return -1;
			}
			if (nand->name)
				nand_print_info(i);
		}
		return 0;
	}
	if (strcmp(cmd, "init") == 0) {
		nand_init();
		return 0;
	}	
//cmd for nand test , if nand is ok , then trigger power off
	if (strcmp(cmd, "test") == 0) {
		int ret=-1;
		puts("\ntest the nand flash ***\n");
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			nand = nand_info[i];
			if (!nand) {
				ret=nand_test_init();
				printf("\n***nand_test_init()in NAND DEVICE %d returned:%d***\n ", i,ret);
				if (ret)
					return -1;	
			}
		}		
		return 0;
	}

	if (strcmp(cmd, "scrub_detect") == 0) {

		if (nand_curr_device < 0 || nand_curr_device >= (CONFIG_SYS_MAX_NAND_DEVICE+2)) {
			puts("\nno devices available\n");
			return 1;
		}
		nand = nand_info[nand_curr_device];

		aml_nand_stupid_dectect_badblock(nand);
		return 0;

	}

	if (strcmp(cmd, "device") == 0) {

		if (argc < 3) {
			putc('\n');
			if ((nand_curr_device < 0) ||
			    (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
				puts("no devices available\n");
			else
				nand_print_info(nand_curr_device);
			return 0;
		}
		dev = (int)simple_strtoul(argv[2], NULL, 10);
		if (dev < 0 || dev >= (CONFIG_SYS_MAX_NAND_DEVICE+1) || !nand_info[dev]->name) {
			puts("No such device\n");
			return 1;
		}
		printf("Device %d: %s", dev, nand_info[dev]->name);
		puts("... is now current device\n");
		nand_curr_device = dev;

#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
		/*
		 * Select the chip in the board/cpu specific driver
		 */
		board_nand_select_device(nand_info[dev]->priv, dev);
#endif

		return 0;
	}

	if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
	    strncmp(cmd, "dump", 4) != 0 &&
	    strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
	    strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
	    strcmp(cmd, "biterr") != 0 && strncmp(cmd, "rom_protect", 11) != 0 &&
	    strncmp(cmd, "wr_rd_cmp", 9) != 0 && strncmp(cmd, "rom_write", 9) != 0 && (strncmp(cmd, "rom_read", 8) != 0) &&
	    strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 &&
	    strcmp(cmd, "factory_info") != 0 && strcmp(cmd, "show_para_page")&& strncmp(cmd, "scrub_safe", 10) != 0) //my_
	
			goto usage;

	/* the following commands operate on the current device */
	if (nand_curr_device < 0 || nand_curr_device >= (CONFIG_SYS_MAX_NAND_DEVICE+2)) {
		puts("\nno devices available\n");
		return 1;
	}

	nand = nand_info[nand_curr_device];
	if (!nand)
		return -1;

	if (strcmp(cmd, "bad") == 0) {
		printf("\nDevice %d bad blocks:\n", nand_curr_device);
		for (off = 0; off < nand->size; off += nand->erasesize)
			if (nand_block_isbad(nand, off))
				printf("  %09llx\n", off);
		return 0;
	}

	/*
	 * Syntax is:
	 *   0    1     2       3    4
	 *   nand erase [clean] [off size]
	 */
	if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0 || strcmp(cmd, "scrub_safe") == 0) { 
		nand_erase_options_t opts;
		int argc_cnt = 2;
        //printk("%s\n", argv[2]);
        /*
		if (isstring(argv[2])) {
			nand = get_mtd_device_nm(argv[2]);
			if (IS_ERR(nand)){
                printf("get nand device err\n");
				return 1;
			}
			argc_cnt++;
		}
		*/
		/* "clean" at index 2 means request to write cleanmarker */
		int clean = argc > argc_cnt && !strcmp("clean", argv[argc_cnt]);
		if (clean) 
			argc_cnt++;
		int o = argc_cnt;

		int scrub = !strncmp(cmd, "scrub",10);
		int scrub_safe =  !strncmp(cmd, "scrub_safe",10);
		
		if(scrub_safe)			
			printf("\nNAND %s: ", scrub_safe ? "scrub_safe" : "erase"); 
		else
			printf("\nNAND %s: ", scrub ? "scrub" : "erase");
		
		if (argv[argc_cnt])
		{
			if(!strcmp(argv[argc_cnt], "whole"))
			{
				off = 0;
				size = nand->size;
				printf("whole chip.\n");
			}
		}
		else
		{
			/* skip first two or three arguments, look for offset and size */
			if ((strcmp(cmd, "erase") == 0) && (argc < 3))
			{
				goto usage;
			}
                    if ((arg_off_size(argc - o, argv + o, nand, &off, &size) != 0))
                    {
                        return  1;
                    }
		}

		memset(&opts, 0, sizeof(opts));
		opts.offset = off;
		opts.length = size;
		opts.jffs2  = clean;
		opts.quiet  = quiet;

		if (scrub) {
			puts("Warning: "
			     "scrub option will erase all factory set "
			     "bad blocks!\n"
			     "         "
			     "There is no reliable way to recover them.\n"
			     "         "
			     "Use this command only for testing purposes "
			     "if you\n"
			     "         "
			     "are sure of what you are doing!\n"
			     "\nReally scrub this NAND flash? <y/N>\n");
			if(nand_protect)
			{
				if (getc() == 'y') {
					puts("y");
					if (getc() == '\r')
						opts.scrub = 1;
					else {
						puts("scrub aborted\n");
						return -1;
					}
				} else {
					puts("scrub aborted\n");
					return -1;
				}
			}
			else
			{
				opts.scrub = 1;
			}
		}
		else if(scrub_safe){
			puts("Warning: "
			     "scrub_safe option will erase all "
			     "bad blocks except factory bad blocks!\n");
			opts.scrub = 2; 	// indicate scrub_safe
		}
		ret = nand_erase_opts(nand, &opts);
		printf("%s\n", ret ? "ERROR" : "OK");
	#ifdef CONFIG_AML_NAND_KEY
		aml_chip->key_protect = 0;		//protect nand key can not be erased 
	#endif
	#ifdef CONFIG_SECURE_NAND
		aml_chip->secure_protect = 0;		//protect nand secure can not be erased 
	#endif

		return ret == 0 ? 0 : 1;
	}

	if (strncmp(cmd, "dump", 4) == 0) {
		if (argc < 3)
			goto usage;

		s = strchr(cmd, '.');
		//off = (loff_t)simple_strtoul(argv[2], NULL, 16);
		if (!(str2longlong(argv[2], (unsigned long long*)(&off))))
			return -1;

		if (s != NULL && strcmp(s, ".oob") == 0)
			ret = nand_dump(nand, off, 1);
		else
			ret = nand_dump(nand, off, 0);

		return ret == 0 ? 1 : 0;

	}

	if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
		int read;

		if (argc < 4)
			goto usage;

		if (isstring(argv[2])) {
			nand = get_mtd_device_nm(argv[2]);
			if (IS_ERR(nand))
				goto usage;
			addr = (ulong)simple_strtoul(argv[3], NULL, 16);
			read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
			printf("\nNAND %s: %s ", read ? "read" : "write", argv[2]);
			if (argc == 4) {
				extern unsigned int get_mtd_size(char *name);
				off = 0;
				size = get_mtd_size(argv[2]);
			} else {
				if (arg_off_size(argc - 4, argv + 4, nand, &off, &size) != 0)
					return 1;
			}
		}
		else {
			addr = (ulong)simple_strtoul(argv[2], NULL, 16);
			read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
			printf("\nNAND %s: ", read ? "read" : "write");
			if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
				return 1;
		}

#ifdef CONFIG_AMLROM_NANDBOOT
	if((read==0) && ((off)<(1024* nand->writesize)) && (nand_curr_device == 0)){
		printf("offset 0x%llx in aml-boot area ,abort\n", off);
		return -1;
	}	
#endif


		s = strchr(cmd, '.');
		if (!s || !strcmp(s, ".jffs2") ||
		    !strcmp(s, ".e") || !strcmp(s, ".i")) {
			if (read)
				ret = nand_read_skip_bad(nand, off, &size,
							 (u_char *)addr, 0);
			else
				ret = nand_write_skip_bad(nand, off, &size,
							  (u_char *)addr, 0);
		} else if (!strcmp(s, ".oob")) {
			/* out-of-band data */
			mtd_oob_ops_t ops = {
				.oobbuf = (u8 *)addr,
				.ooblen = size,
				.mode = MTD_OOB_RAW
			};

			if (read)
				ret = nand->read_oob(nand, off, &ops);
			else
				ret = nand->write_oob(nand, off, &ops);
		} else if (!strcmp(s, ".raw")) {
Beispiel #4
0
int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
	int i, dev, ret = 0;
	uint32_t addr, cmp_addr;
	uint64_t off;
	uint64_t size;
	char *cmd, *s;
	nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
	int quiet = CONFIG_SYS_NAND_QUIET;
#else
	int quiet = 0;
#endif
	const char *quiet_str = getenv("quiet");

	/* at least two arguments please */
	if (argc < 2)
		goto usage;

	if (quiet_str)
		quiet = simple_strtoul(quiet_str, NULL, 0) != 0;

	cmd = argv[1];

	if (strcmp(cmd, "info") == 0) {
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			if (nand_info[i].name)
				nand_print_info(i);
		}
		return 0;
	}

	if (strcmp(cmd, "device") == 0) {

		if (argc < 3) {
			putc('\n');
			if ((nand_curr_device < 0) ||
			    (nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE))
				puts("no devices available\n");
			else
				nand_print_info(nand_curr_device);
			return 0;
		}
		dev = (int)simple_strtoul(argv[2], NULL, 10);
		if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev].name) {
			puts("No such device\n");
			return 1;
		}
		printf("Device %d: %s", dev, nand_info[dev].name);
		puts("... is now current device\n");
		nand_curr_device = dev;

#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
		/*
		 * Select the chip in the board/cpu specific driver
		 */
		board_nand_select_device(nand_info[dev].priv, dev);
#endif

		return 0;
	}

	if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
	    strncmp(cmd, "dump", 4) != 0 &&
	    strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
	    strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
	    strcmp(cmd, "biterr") != 0 && strcmp(cmd, "pattern") != 0 &&
	    strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
		goto usage;

	/* the following commands operate on the current device */
	if (nand_curr_device < 0 || nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
	    !nand_info[nand_curr_device].name) {
		puts("\nno devices available\n");
		return 1;
	}
	nand = &nand_info[nand_curr_device];

	if (strcmp(cmd, "bad") == 0) {
		printf("\nDevice %d bad blocks:\n", nand_curr_device);
		for (off = 0; off < nand->size; off += nand->erasesize)
			if (nand_block_isbad(nand, off))
				printf("  %12llx\n", off);
		return 0;
	}

	/*
	 * Syntax is:
	 *   0    1     2       3    4
	 *   nand erase [clean] [off size]
	 */
	if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
		nand_erase_options_t opts;
		/* "clean" at index 2 means request to write cleanmarker */
		int clean = argc > 2 && !strcmp("clean", argv[2]);
		int o = clean ? 3 : 2;
		int scrub = !strcmp(cmd, "scrub");

		printf("\nNAND %s: ", scrub ? "scrub" : "erase");
		/* skip first two or three arguments, look for offset and size */
		if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
			return 1;

		memset(&opts, 0, sizeof(opts));
		opts.offset = off;
		opts.length = size;
		opts.jffs2  = clean;
		opts.quiet  = quiet;

		if (scrub) {
			puts("Warning: "
			     "scrub option will erase all factory set "
			     "bad blocks!\n"
			     "         "
			     "There is no reliable way to recover them.\n"
			     "         "
			     "Use this command only for testing purposes "
			     "if you\n"
			     "         "
			     "are sure of what you are doing!\n"
			     "\nReally scrub this NAND flash? <y/N>\n");

			if (getc() == 'y' && getc() == '\r') {
				opts.scrub = 1;
			} else {
				puts("scrub aborted\n");
				return -1;
			}
		}
		ret = nand_erase_opts(nand, &opts);
		printf("%s\n", ret ? "ERROR" : "OK");

		return ret == 0 ? 0 : 1;
	}

	if (strncmp(cmd, "dump", 4) == 0) {
		if (argc < 3)
			goto usage;

		s = strchr(cmd, '.');
		off = simple_strtoull(argv[2], NULL, 16);

		if (s != NULL && strcmp(s, ".oob") == 0)
			ret = nand_dump(nand, off, 1);
		else
			ret = nand_dump(nand, off, 0);

		return ret == 0 ? 1 : 0;

	}

	if (strncmp(cmd, "pattern", 4) == 0) {
		int chunk_num;
		uint64_t offset, chunk64, cmp64;
		nand_erase_options_t opts;
		memset(&opts, 0, sizeof(opts));

		// nand pattern addr cmp_addr  chunk_size
		//  0     1      2    3          4
		if (argc < 5)
			goto usage;

		addr = simple_strtoul(argv[2], NULL, 16);
		cmp_addr = simple_strtoul(argv[3], NULL, 16);
		chunk64 = simple_strtoull(argv[4], NULL, 16);
		cmp64 = chunk64;
		chunk_num = (int) (nand->size / chunk64);
		printf("NAND size [0x%llx], chunk size [0x%llx], number of chunks [%d]\n", nand->size, chunk64, chunk_num);
		printf("Erasing all chip...\n");
		opts.offset = 0;
		opts.length = nand->size;
		opts.jffs2  = 0;
		opts.quiet  = 0;
		opts.scrub = 0;
		if (nand_erase_opts(nand, &opts) != 0) {
			printf("[FAILED]\n");
			return 1;
		} else {
			printf("[OK]\n");
		}
		offset = 0;
		while(offset < nand->size) {
			printf("0x%010llx:", offset);
// 			printf("\tB:");
// 			if (nand_block_isbad(nand, i*chunk_size & ~(nand->erasesize - 1))) {
// 				printf("[V]\n");
// 				continue;
// 			} else {
// 				printf("[X]");
// 			}
// 			size_include_bad = get_len_incl_bad (nand, offset, chunk_size);
// 			opts.offset = offset;
// 			opts.length = size_include_bad;
// 			opts.quiet  = 1;
// 			printf("\tE:");
// 			if (nand_erase_opts(nand, &opts) != 0) {
// 				printf("[X]\n");
// 				return 1;
// 			} else {
// 				printf("[V]");
// 			}
			printf("\tW:");
			chunk64 = cmp64;
			if (nand_write_skip_bad(nand, offset, &chunk64, (u_char *)addr) != 0) {
				printf("[X]\n");
				return 1;
			} else {
				printf("[V]");
			}
			printf("\tR:");
			chunk64 = cmp64;
			if (nand_read_skip_bad(nand, offset, &chunk64, (u_char *)cmp_addr) != 0) {
				printf("[X]\n");
				return 1;
			} else {
				printf("[V]");
			}
			printf("\tC:");
			if (memcmp((void *)addr, (void *)cmp_addr, cmp64) != 0) {
				printf("[X]\n");
				return 1;
			} else {
				printf("[V]");
			}
			printf("\n");
			if (ctrlc()) {
				puts ("\nAbort\n");
				return (-1);
			}
			offset += get_len_incl_bad (nand, offset, cmp64);
		}
		printf("NAND Pattern Test PASSED!\n");
		return 0;
	}

	if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
		int read;

		if (argc < 4)
			goto usage;

		addr = simple_strtoul(argv[2], NULL, 16);

		read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
		printf("\nNAND %s: ", read ? "read" : "write");
		if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
			return 1;

		s = strchr(cmd, '.');
		if (!s || !strcmp(s, ".jffs2") ||
		    !strcmp(s, ".e") || !strcmp(s, ".i")) {
			if (read)
				ret = nand_read_skip_bad(nand, off, &size,
							 (u_char *)addr);
			else
				ret = nand_write_skip_bad(nand, off, &size,
							  (u_char *)addr);
		} else if (!strcmp(s, ".oob")) {
			/* out-of-band data */
			mtd_oob_ops_t ops = {
				.oobbuf = (uint8_t *)addr,
				.ooblen = size,
				.mode = MTD_OOB_RAW
			};

			if (read)
				ret = nand->read_oob(nand, off, &ops);
			else
				ret = nand->write_oob(nand, off, &ops);
		} else {
Beispiel #5
0
static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
			int read)
{
	int ret = 0;

	while (count--) {
		/* Raw access */
		mtd_oob_ops_t ops = {
			.datbuf = (u8 *)addr,
			.oobbuf = ((u8 *)addr) + nand->writesize,
			.len = nand->writesize,
			.ooblen = nand->oobsize,
			.mode = MTD_OOB_RAW
		};

		if (read)
			ret = nand->read_oob(nand, off, &ops);
		else
			ret = nand->write_oob(nand, off, &ops);

		if (ret) {
			printf("%s: error at offset %llx, ret %d\n",
				__func__, (long long)off, ret);
			break;
		}

		addr += nand->writesize + nand->oobsize;
		off += nand->writesize;
	}

	return ret;
}

int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	int i, ret = 0;
	ulong addr;
	loff_t off, size, maxsize;
	char *cmd, *s;
	nand_info_t *nand;
#ifdef CONFIG_SYS_NAND_QUIET
	int quiet = CONFIG_SYS_NAND_QUIET;
#else
	int quiet = 0;
#endif
	const char *quiet_str = getenv("quiet");
	int dev = nand_curr_device;
	int repeat = flag & CMD_FLAG_REPEAT;

	/* at least two arguments please */
	if (argc < 2)
		goto usage;

	if (quiet_str)
		quiet = simple_strtoul(quiet_str, NULL, 0) != 0;

	cmd = argv[1];

	/* Only "dump" is repeatable. */
	if (repeat && strcmp(cmd, "dump"))
		return 0;

	if (strcmp(cmd, "info") == 0) {

		putc('\n');
		for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
			if (nand_info[i].name)
				nand_print_and_set_info(i);
		}
		return 0;
	}

	if (strcmp(cmd, "device") == 0) {
		if (argc < 3) {
			putc('\n');
			if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
				puts("no devices available\n");
			else
				nand_print_and_set_info(dev);
			return 0;
		}

		dev = (int)simple_strtoul(argv[2], NULL, 10);
		set_dev(dev);

		return 0;
	}

#ifdef CONFIG_ENV_OFFSET_OOB
	/* this command operates only on the first nand device */
	if (strcmp(cmd, "env.oob") == 0)
		return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
#endif

	/* The following commands operate on the current device, unless
	 * overridden by a partition specifier.  Note that if somehow the
	 * current device is invalid, it will have to be changed to a valid
	 * one before these commands can run, even if a partition specifier
	 * for another device is to be used.
	 */
	if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
	    !nand_info[dev].name) {
		puts("\nno devices available\n");
		return 1;
	}
	nand = &nand_info[dev];

	if (strcmp(cmd, "bad") == 0) {
		printf("\nDevice %d bad blocks:\n", dev);
		for (off = 0; off < nand->size; off += nand->erasesize)
			if (nand_block_isbad(nand, off))
				printf("  %08llx\n", (unsigned long long)off);
		return 0;
	}

	/*
	 * Syntax is:
	 *   0    1     2       3    4
	 *   nand erase [clean] [off size]
	 */
	if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) {
		nand_erase_options_t opts;
		/* "clean" at index 2 means request to write cleanmarker */
		int clean = argc > 2 && !strcmp("clean", argv[2]);
		int scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
		int o = (clean || scrub_yes) ? 3 : 2;
		int scrub = !strncmp(cmd, "scrub", 5);
		int spread = 0;
		int args = 2;
		const char *scrub_warn =
			"Warning: "
			"scrub option will erase all factory set bad blocks!\n"
			"         "
			"There is no reliable way to recover them.\n"
			"         "
			"Use this command only for testing purposes if you\n"
			"         "
			"are sure of what you are doing!\n"
			"\nReally scrub this NAND flash? <y/N>\n";

		if (cmd[5] != 0) {
			if (!strcmp(&cmd[5], ".spread")) {
				spread = 1;
			} else if (!strcmp(&cmd[5], ".part")) {
				args = 1;
			} else if (!strcmp(&cmd[5], ".chip")) {
				args = 0;
			} else {
				goto usage;
			}
		}

		/*
		 * Don't allow missing arguments to cause full chip/partition
		 * erases -- easy to do accidentally, e.g. with a misspelled
		 * variable name.
		 */
		if (argc != o + args)
			goto usage;

		printf("\nNAND %s: ", cmd);
		/* skip first two or three arguments, look for offset and size */
		if (arg_off_size(argc - o, argv + o, &dev, &off, &size,
					&maxsize) != 0)
			return 1;

		nand = &nand_info[dev];

		memset(&opts, 0, sizeof(opts));
		opts.offset = off;
		opts.length = size;
		opts.jffs2  = clean;
		opts.quiet  = quiet;
		opts.spread = spread;

		if (scrub) {
			if (!scrub_yes)
				puts(scrub_warn);

			if (scrub_yes)
				opts.scrub = 1;
			else if (getc() == 'y') {
				puts("y");
				if (getc() == '\r')
					opts.scrub = 1;
				else {
					puts("scrub aborted\n");
					return -1;
				}
			} else {
				puts("scrub aborted\n");
				return -1;
			}
		}
		ret = nand_erase_opts(nand, &opts);
		printf("%s\n", ret ? "ERROR" : "OK");

		return ret == 0 ? 0 : 1;
	}

	if (strncmp(cmd, "dump", 4) == 0) {
		if (argc < 3)
			goto usage;

		off = (int)simple_strtoul(argv[2], NULL, 16);
		ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);

		return ret == 0 ? 1 : 0;
	}

	if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
		size_t rwsize;
		ulong pagecount = 1;
		int read;
		int raw;

		if (argc < 4)
			goto usage;

		addr = (ulong)simple_strtoul(argv[2], NULL, 16);

		read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
		printf("\nNAND %s: ", read ? "read" : "write");

		nand = &nand_info[dev];

		s = strchr(cmd, '.');

		if (s && !strcmp(s, ".raw")) {
			raw = 1;

			if (arg_off(argv[3], &dev, &off, &size, &maxsize))
				return 1;

			if (argc > 4 && !str2long(argv[4], &pagecount)) {
				printf("'%s' is not a number\n", argv[4]);
				return 1;
			}

			if (pagecount * nand->writesize > size) {
				puts("Size exceeds partition or device limit\n");
				return -1;
			}

			rwsize = pagecount * (nand->writesize + nand->oobsize);
		} else {
			if (arg_off_size(argc - 3, argv + 3, &dev,
						&off, &size, &maxsize) != 0)
				return 1;

			rwsize = size;
		}

		if (!s || !strcmp(s, ".jffs2") ||
		    !strcmp(s, ".e") || !strcmp(s, ".i")) {
			if (read)
				ret = nand_read_skip_bad(nand, off, &rwsize,
							 NULL, maxsize,
							 (u_char *)addr);
			else
				ret = nand_write_skip_bad(nand, off, &rwsize,
							  NULL, maxsize,
							  (u_char *)addr, 0);
#ifdef CONFIG_CMD_NAND_TRIMFFS
		} else if (!strcmp(s, ".trimffs")) {
			if (read) {
				printf("Unknown nand command suffix '%s'\n", s);
				return 1;
			}
			ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
						maxsize, (u_char *)addr,
						WITH_DROP_FFS);
#endif
#ifdef CONFIG_CMD_NAND_YAFFS
		} else if (!strcmp(s, ".yaffs")) {
			if (read) {
				printf("Unknown nand command suffix '%s'.\n", s);
				return 1;
			}
			ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
						maxsize, (u_char *)addr,
						WITH_YAFFS_OOB);
#endif
		} else if (!strcmp(s, ".oob")) {
			/* out-of-band data */
			mtd_oob_ops_t ops = {
				.oobbuf = (u8 *)addr,
				.ooblen = rwsize,
				.mode = MTD_OOB_RAW
			};

			if (read)
				ret = nand->read_oob(nand, off, &ops);
			else
				ret = nand->write_oob(nand, off, &ops);
		} else if (raw) {