C++ (Cpp) set_default_env Examples

Example #1

File: env_common.c Project: matt0526/matt_uboot

/*
 * Check if CRC is valid and (if yes) import the environment.
 * Note that "buf" may or may not be aligned.
 */
int env_import(const char *buf, int check)
{
	env_t *ep = (env_t *)buf;

	if (check) {
		uint32_t crc;

		memcpy(&crc, &ep->crc, sizeof(crc));

		if (crc32(0, ep->data, ENV_SIZE) != crc) {
			set_default_env("!bad CRC");
			return 0;
        }else if(ep->data[0] == 0xff){
			printf("check env data = 0xff, set default env\n");
			set_default_env("!check env data is 0xff");
			saveenv();
			return 0;
 		}
	}

	if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0)) {
		gd->flags |= GD_FLG_ENV_READY;
		return 1;
	}

	error("Cannot import environment: errno = %d\n", errno);

	set_default_env("!import failed");

	return 0;
}

Example #2

File: env_common.c Project: matt0526/matt_uboot

void env_relocate (void)
{

#if defined (CONFIG_VLSI_EMULATOR)
    set_default_env("!For emulator speed up");
#else
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	extern void env_reloc(void);

	env_reloc();
#endif
	if (gd->env_valid == 0) {
#if defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		set_default_env(NULL);
#else
		show_boot_progress (-60);
		set_default_env("!bad CRC");
#endif
	} else {
		env_relocate_spec ();
	}
#endif //#if !defined (CONFIG_VLSI_EMULATOR)

#if defined(CONFIG_SILENT_CONSOLE) && \
	defined(CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC)
	if (getenv("silent") != NULL) {
		puts("silenced by env\n");
		gd->flags |= GD_FLG_SILENT;
	} else {
		gd->flags &= ~GD_FLG_SILENT;
	}
#endif
}

Example #3

File: env_sf.c Project: 0xFelix/u-boot-edminiv2

void env_relocate_spec(void)
{
	int ret;
	char *buf = NULL;

	buf = (char *)memalign(ARCH_DMA_MINALIGN, CONFIG_ENV_SIZE);
	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
	if (!env_flash) {
		set_default_env("!spi_flash_probe() failed");
		if (buf)
			free(buf);
		return;
	}

	ret = spi_flash_read(env_flash,
		CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
	if (ret) {
		set_default_env("!spi_flash_read() failed");
		goto out;
	}

	ret = env_import(buf, 1);
	if (ret)
		gd->env_valid = 1;
out:
	spi_flash_free(env_flash);
	if (buf)
		free(buf);
	env_flash = NULL;
}

Example #4

File: env_nand.c Project: Apaisal/u-boot

void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
	int crc1_ok = 0, crc2_ok = 0;
	env_t *ep, *tmp_env1, *tmp_env2;

	tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
	tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
	if (tmp_env1 == NULL || tmp_env2 == NULL) {
		puts("Can't allocate buffers for environment\n");
		set_default_env("!malloc() failed");
		goto done;
	}

	if (readenv(CONFIG_ENV_OFFSET, (u_char *) tmp_env1))
		puts("No Valid Environment Area found\n");

	if (readenv(CONFIG_ENV_OFFSET_REDUND, (u_char *) tmp_env2))
		puts("No Valid Redundant Environment Area found\n");

	crc1_ok = crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc;
	crc2_ok = crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc;

	if (!crc1_ok && !crc2_ok) {
		set_default_env("!bad CRC");
		goto done;
	} else if (crc1_ok && !crc2_ok) {
		gd->env_valid = 1;
	} else if (!crc1_ok && crc2_ok) {
		gd->env_valid = 2;
	} else {
		/* both ok - check serial */
		if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
			gd->env_valid = 2;
		else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
			gd->env_valid = 1;
		else if (tmp_env1->flags > tmp_env2->flags)
			gd->env_valid = 1;
		else if (tmp_env2->flags > tmp_env1->flags)
			gd->env_valid = 2;
		else /* flags are equal - almost impossible */
			gd->env_valid = 1;
	}

	free(env_ptr);

	if (gd->env_valid == 1)
		ep = tmp_env1;
	else
		ep = tmp_env2;

	env_flags = ep->flags;
	env_import((char *)ep, 0);

done:
	free(tmp_env1);
	free(tmp_env2);

#endif /* ! ENV_IS_EMBEDDED */
}

Example #5

File: env_common.c Project: 54shady/uboot_tiny4412

/*
 * Check if CRC is valid and (if yes) import the environment.
 * Note that "buf" may or may not be aligned.
 */
int env_import(const char *buf, int check)
{
	env_t *ep = (env_t *)buf;

	if (check) {
		uint32_t crc;

		memcpy(&crc, &ep->crc, sizeof(crc));

		if (crc32(0, ep->data, ENV_SIZE) != crc) {
			set_default_env("!bad CRC");
			return 0;
		}
	}

	if (himport((char *)ep->data, ENV_SIZE, '\0', 0)) {
		gd->flags |= GD_FLG_ENV_READY;
		return 1;
	}

	error("Cannot import environment: errno = %d\n", errno);

	set_default_env("!import failed");

	return 0;
}

Example #6

File: env_sf.c Project: 0s4l/u-boot-xlnx

void env_relocate_spec(void)
{
	char buf[CONFIG_ENV_SIZE];
	int ret;

	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
	if (!env_flash) {
		set_default_env("!spi_flash_probe() failed");
		return;
	}

	ret = spi_flash_read(env_flash,
		CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
	if (ret) {
		set_default_env("!spi_flash_read() failed");
		goto out;
	}

	ret = env_import(buf, 1);
	if (ret)
		gd->env_valid = 1;
out:
	spi_flash_free(env_flash);
	env_flash = NULL;
}

Example #7

File: ubi.c Project: koenkooi/u-boot

	/*
	 * In case we have restarted u-boot there is a chance that buffer
	 * contains old environment (from the previous boot).
	 * If UBI volume is zero size, ubi_volume_read() doesn't modify the
	 * buffer.
	 * We need to clear buffer manually here, so the invalid CRC will
	 * cause setting default environment as expected.
	 */
	memset(env1_buf, 0x0, CONFIG_ENV_SIZE);
	memset(env2_buf, 0x0, CONFIG_ENV_SIZE);

	tmp_env1 = (env_t *)env1_buf;
	tmp_env2 = (env_t *)env2_buf;

	if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
		printf("\n** Cannot find mtd partition \"%s\"\n",
		       CONFIG_ENV_UBI_PART);
		set_default_env(NULL);
		return -EIO;
	}

	read1_fail = ubi_volume_read(CONFIG_ENV_UBI_VOLUME, (void *)tmp_env1,
				     CONFIG_ENV_SIZE);
	if (read1_fail)
		printf("\n** Unable to read env from %s:%s **\n",
		       CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);

	read2_fail = ubi_volume_read(CONFIG_ENV_UBI_VOLUME_REDUND,
				     (void *)tmp_env2, CONFIG_ENV_SIZE);
	if (read2_fail)
		printf("\n** Unable to read redundant env from %s:%s **\n",
		       CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME_REDUND);

	return env_import_redund((char *)tmp_env1, read1_fail, (char *)tmp_env2,
							 read2_fail);
}
#else /* ! CONFIG_SYS_REDUNDAND_ENVIRONMENT */
static int env_ubi_load(void)
{
	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);

	/*
	 * In case we have restarted u-boot there is a chance that buffer
	 * contains old environment (from the previous boot).
	 * If UBI volume is zero size, ubi_volume_read() doesn't modify the
	 * buffer.
	 * We need to clear buffer manually here, so the invalid CRC will
	 * cause setting default environment as expected.
	 */
	memset(buf, 0x0, CONFIG_ENV_SIZE);

	if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
		printf("\n** Cannot find mtd partition \"%s\"\n",
		       CONFIG_ENV_UBI_PART);
		set_default_env(NULL);
		return -EIO;
	}

	if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, buf, CONFIG_ENV_SIZE)) {
		printf("\n** Unable to read env from %s:%s **\n",
		       CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
		set_default_env(NULL);
		return -EIO;
	}

	return env_import(buf, 1);
}

Example #8

File: sf.c Project: koenkooi/u-boot

static int setup_flash_device(void)
{
#ifdef CONFIG_DM_SPI_FLASH
	struct udevice *new;
	int	ret;

	/* speed and mode will be read from DT */
	ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
				     0, 0, &new);
	if (ret) {
		set_default_env("!spi_flash_probe_bus_cs() failed");
		return ret;
	}

	env_flash = dev_get_uclass_priv(new);
#else

	if (!env_flash) {
		env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS,
			CONFIG_ENV_SPI_CS,
			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
		if (!env_flash) {
			set_default_env("!spi_flash_probe() failed");
			return -EIO;
		}
	}
#endif
	return 0;
}

Example #9

File: env_nand.c Project: Aorjoa/bootloader

/*
 * The legacy NAND code saved the environment in the first NAND
 * device i.e., nand_dev_desc + 0. This is also the behaviour using
 * the new NAND code.
 */
void env_relocate_spec (void)
{
#if !defined(ENV_IS_EMBEDDED)
	int ret;
	char buf[CONFIG_ENV_SIZE];

#if defined(CONFIG_ENV_OFFSET_OOB)
	ret = get_nand_env_oob(&nand_info[0], &nand_env_oob_offset);
	/*
	 * If unable to read environment offset from NAND OOB then fall through
	 * to the normal environment reading code below
	 */
	if (!ret) {
		printf("Found Environment offset in OOB..\n");
	} else {
		set_default_env("!no env offset in OOB");
		return;
	}
#endif

	ret = readenv(CONFIG_ENV_OFFSET, (u_char *)buf);
	if (ret) {
		set_default_env("!readenv() failed");
		return;
	}

	env_import(buf, 1);
#endif /* ! ENV_IS_EMBEDDED */
}

Example #10

File: sf.c Project: koenkooi/u-boot

static int env_sf_load(void)
{
	int ret;
	char *buf = NULL;

	buf = (char *)memalign(ARCH_DMA_MINALIGN, CONFIG_ENV_SIZE);
	if (!buf) {
		set_default_env("!malloc() failed");
		return -EIO;
	}

	ret = setup_flash_device();
	if (ret)
		goto out;

	ret = spi_flash_read(env_flash,
		CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, buf);
	if (ret) {
		set_default_env("!spi_flash_read() failed");
		goto err_read;
	}

	ret = env_import(buf, 1);
	if (!ret)
		gd->env_valid = ENV_VALID;

err_read:
	spi_flash_free(env_flash);
	env_flash = NULL;
out:
	free(buf);

	return ret;
}

Example #11

File: common.c Project: Xilinx/u-boot-xlnx

/*
 * Check if CRC is valid and (if yes) import the environment.
 * Note that "buf" may or may not be aligned.
 */
int env_import(const char *buf, int check)
{
	env_t *ep = (env_t *)buf;

	if (check) {
		uint32_t crc;

		memcpy(&crc, &ep->crc, sizeof(crc));

		if (crc32(0, ep->data, ENV_SIZE) != crc) {
			set_default_env("bad CRC", 0);
			return -EIO;
		}
	}

	if (himport_r(&env_htab, (char *)ep->data, ENV_SIZE, '\0', 0, 0,
			0, NULL)) {
		gd->flags |= GD_FLG_ENV_READY;
		return 0;
	}

	pr_err("Cannot import environment: errno = %d\n", errno);

	set_default_env("import failed", 0);

	return -EIO;
}

Example #12

File: env_sf.c Project: makerbot/u-boot

void env_relocate_spec(void)
{
	int ret;
    char buf[CONFIG_ENV_SIZE];
    env_t *tmp_env;

    tmp_env = (env_t*)buf;

	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
	if (!env_flash) {
		set_default_env("!spi_flash_probe() failed");
		return;
	}

	ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
				CONFIG_ENV_SIZE, tmp_env);
	if (ret) {
		set_default_env("!spi_flash_read() failed");
		goto out;
	}

	if (crc32(0, tmp_env->data, ENV_SIZE) == tmp_env->crc) {
		gd->env_valid = 1;
	} else {
		ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND,
					CONFIG_ENV_SIZE, tmp_env);
		if (ret) {
			set_default_env("!spi_flash_read() failed");
			goto out;
		}
		if (crc32(0, tmp_env->data, ENV_SIZE) != tmp_env->crc) {
			set_default_env("!both CRC failed");
			goto out;
		}
		gd->env_valid = 2;
	}

	ret = env_import(buf, 0);
	if (!ret) {
		error("Cannot import environment: errno = %d\n", errno);
		set_default_env("env_import failed");
	}

out:
	spi_flash_free(env_flash);
	env_flash = NULL;
}

Example #13

File: env_common.c Project: AshishNamdev/u-boot

void env_relocate(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	env_reloc();
#endif
	if (gd->env_valid == 0) {
#if defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		set_default_env(NULL);
#else
		bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
		set_default_env("!bad CRC");
#endif
	} else {
		env_relocate_spec();
	}
}

Example #14

File: env_sf.c Project: matt0526/matt_uboot

void spi_env_relocate_spec(void)
{
	int ret;
    env_t env_buf;
    
	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
			CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
	if (!env_flash)
		goto err_probe;

	ret = spi_flash_read(env_flash, CONFIG_ENV_IN_SPI_OFFSET, CONFIG_ENV_SIZE, &env_buf);
	if (ret)
		goto err_read;

		env_import(&env_buf, 1);
		gd->env_valid = 1;

		return;

err_read:
	spi_flash_free(env_flash);
	env_flash = NULL;
err_probe:
//err_crc:
	set_default_env("!bad CRC");
}

Example #15

void env_relocate_spec(void)
{
	int ret;
    
	//printf("+env_relocate_spec/spi_flash_probe=%d,%d,%d,%d\n\r",CONFIG_ENV_SPI_BUS,CONFIG_ENV_SPI_CS,CONFIG_ENV_SPI_MAX_HZ,CONFIG_ENV_SPI_MODE);
	env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
	if (!env_flash)
		goto err_probe;

	ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, env_ptr);
	if (ret)
		goto err_read;

	if (crc32(0, env_ptr->data, ENV_SIZE) != env_ptr->crc)
		goto err_crc;

	gd->env_valid = 1;

	return;

err_read:
	spi_flash_free(env_flash);
	env_flash = NULL;
err_probe:
err_crc:
	puts("*** Warning - bad CRC, using default environment\n\n");

	set_default_env();
}

Example #16

File: env_common.c Project: BingLu/uboot_mini2440

void env_relocate(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	env_reloc();
#endif
	if (gd->env_valid == 0) {
#if defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		set_default_env(NULL);
#else
		show_boot_progress(-60);
		set_default_env("!bad CRC");
#endif
	} else {
		env_relocate_spec();
	}
}

Example #17

File: env_fat.c Project: Android4SAM/u-boot-at91

void env_relocate_spec(void)
{
	char buf[CONFIG_ENV_SIZE];
	block_dev_desc_t *dev_desc = NULL;
	disk_partition_t info;
	int dev, part;
	int err;

	part = get_device_and_partition(FAT_ENV_INTERFACE,
					FAT_ENV_DEVICE_AND_PART,
					&dev_desc, &info, 1);
	if (part < 0)
		goto err_env_relocate;

	dev = dev_desc->dev;
	if (fat_set_blk_dev(dev_desc, &info) != 0) {
		printf("\n** Unable to use %s %d:%d for loading the env **\n",
		       FAT_ENV_INTERFACE, dev, part);
		goto err_env_relocate;
	}

	err = file_fat_read(FAT_ENV_FILE, (uchar *)&buf, CONFIG_ENV_SIZE);
	if (err == -1) {
		printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
			FAT_ENV_FILE, FAT_ENV_INTERFACE, dev, part);
		goto err_env_relocate;
	}

	env_import(buf, 1);
	return;

err_env_relocate:
	set_default_env(NULL);
}

Example #18

File: env_mmc.c Project: Apaisal/u-boot

void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
	char buf[CONFIG_ENV_SIZE];
	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
	u32 offset;

	if (init_mmc_for_env(mmc) || mmc_get_env_addr(mmc, &offset))
		return set_default_env(NULL);

	if (read_env(mmc, CONFIG_ENV_SIZE, offset, buf))
		return set_default_env(NULL);

	env_import(buf, 1);
#endif
}

Example #19

File: board_r.c Project: CheezeCake/edison-u-boot

static int initr_env(void)
{
	/* initialize environment */
	if (should_load_env())
		env_relocate();
	else
		set_default_env(NULL);
#ifdef CONFIG_OF_CONTROL
	setenv_addr("fdtcontroladdr", gd->fdt_blob);
#endif

	/* Initialize from environment */
	load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_SYS_EXTBDINFO)
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
#if defined(CONFIG_I2CFAST)
	/*
	 * set bi_iic_fast for linux taking environment variable
	 * "i2cfast" into account
	 */
	{
		char *s = getenv("i2cfast");

		if (s && ((*s == 'y') || (*s == 'Y'))) {
			gd->bd->bi_iic_fast[0] = 1;
			gd->bd->bi_iic_fast[1] = 1;
		}
	}
#endif /* CONFIG_I2CFAST */
#endif /* CONFIG_405GP, CONFIG_405EP */
#endif /* CONFIG_SYS_EXTBDINFO */
	return 0;
}

Example #20

File: env_mmc.c Project: 0s4l/u-boot-xlnx

		/* both ok - check serial */
		if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
			gd->env_valid = 2;
		else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
			gd->env_valid = 1;
		else if (tmp_env1->flags > tmp_env2->flags)
			gd->env_valid = 1;
		else if (tmp_env2->flags > tmp_env1->flags)
			gd->env_valid = 2;
		else /* flags are equal - almost impossible */
			gd->env_valid = 1;
	}

	free(env_ptr);

	if (gd->env_valid == 1)
		ep = tmp_env1;
	else
		ep = tmp_env2;

	env_flags = ep->flags;
	env_import((char *)ep, 0);
	ret = 0;

fini:
	fini_mmc_for_env(mmc);
err:
	if (ret)
		set_default_env(NULL);

#endif
}
#else /* ! CONFIG_ENV_OFFSET_REDUND */
void env_relocate_spec(void)
{
#if !defined(ENV_IS_EMBEDDED)
	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
	struct mmc *mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
	u32 offset;
	int ret;

	if (init_mmc_for_env(mmc)) {
		ret = 1;
		goto err;
	}

	if (mmc_get_env_addr(mmc, 0, &offset)) {
		ret = 1;
		goto fini;
	}

	if (read_env(mmc, CONFIG_ENV_SIZE, offset, buf)) {
		ret = 1;
		goto fini;
	}

	env_import(buf, 1);
	ret = 0;

fini:
	fini_mmc_for_env(mmc);
err:
	if (ret)
		set_default_env(NULL);
#endif
}

Example #21

File: env_common.c Project: tdautc19841202/e_wificam

void env_relocate (void)
{
	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__, gd->reloc_off);

	env_ptr = (env_t *)mALLOc (CONFIG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);

    set_env_funcptrs() ;
    (*env_init)() ;

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		//puts ("*** Warning - bad CRC, using default environment\n\n");
		puts ("*** We do not have environment varialbes stored in the booting storgage, so we using default environment\n\n");
		//show_boot_progress (-60);
#endif
		set_default_env();
	}
	else {
        printf("  Finding the environment variables in boot storage...\n") ;
		(*env_relocate_spec)();
	}
	gd->env_addr = (ulong)&(env_ptr->data);
}

Example #22

File: cmd_nvedit.c Project: aosp/uboot

static int do_env_default(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	if ((argc != 2) || (strcmp(argv[1], "-f") != 0))
		return cmd_usage(cmdtp);

	set_default_env("## Resetting to default environment\n");
	return 0;
}

Example #23

File: env_fat.c Project: AshishNamdev/u-boot

void env_relocate_spec(void)
{
	char buf[CONFIG_ENV_SIZE];
	block_dev_desc_t *dev_desc = NULL;
	int dev = FAT_ENV_DEVICE;
	int part = FAT_ENV_PART;

#ifdef CONFIG_MMC
	if (strcmp (FAT_ENV_INTERFACE, "mmc") == 0) {
		struct mmc *mmc = find_mmc_device(dev);

		if (!mmc) {
			printf("no mmc device at slot %x\n", dev);
			set_default_env(NULL);
			return;
		}

		mmc->has_init = 0;
		mmc_init(mmc);
	}
#endif /* CONFIG_MMC */

	dev_desc = get_dev(FAT_ENV_INTERFACE, dev);
	if (dev_desc == NULL) {
		printf("Failed to find %s%d\n",
			FAT_ENV_INTERFACE, dev);
		set_default_env(NULL);
		return;
	}
	if (fat_register_device(dev_desc, part) != 0) {
		printf("Failed to register %s%d:%d\n",
			FAT_ENV_INTERFACE, dev, part);
		set_default_env(NULL);
		return;
	}

	if (file_fat_read(FAT_ENV_FILE, (unsigned char *)&buf, CONFIG_ENV_SIZE) == -1) {
		printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
			FAT_ENV_FILE, FAT_ENV_INTERFACE, dev, part);
		set_default_env(NULL);
		return;
	}

	env_import(buf, 1);
}

Example #24

File: common.c Project: frawang/u-boot

void env_relocate(void)
{
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	env_reloc();
	env_htab.change_ok += gd->reloc_off;
#endif
	if (gd->env_valid == ENV_INVALID) {
#if defined(CONFIG_ENV_IS_NOWHERE) || defined(CONFIG_SPL_BUILD)
		/* Environment not changable */
		set_default_env(NULL);
#else
		bootstage_error(BOOTSTAGE_ID_NET_CHECKSUM);
		set_default_env("!bad CRC");
#endif
	} else {
		env_load();
	}
}

Example #25

File: cmd_nvedit.c Project: AshishNamdev/u-boot

static int do_env_default(cmd_tbl_t *cmdtp, int flag,
			  int argc, char * const argv[])
{
	if (argc != 2 || strcmp(argv[1], "-f") != 0)
		return CMD_RET_USAGE;

	set_default_env("## Resetting to default environment\n");
	return 0;
}

Example #26

File: env_common.c Project: sensysnetworks/u-boot-at91

void env_relocate (void)
{
  	unsigned char initEthAddr = 0;

	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
		gd->reloc_off);

#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif

#ifdef ENV_IS_EMBEDDED
	/*
	 * The environment buffer is embedded with the text segment,
	 * just relocate the environment pointer
	 */
	env_ptr = (env_t *)((ulong)env_ptr + gd->reloc_off);
	DEBUGF ("%s[%d] embedded ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#else
	/*
	 * We must allocate a buffer for the environment
	 */
	env_ptr = (env_t *)malloc (CONFIG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		puts ("*** Warning - bad CRC, using default environment\n\n");
		show_boot_progress (-60);
#endif
		set_default_env();
		initEthAddr = 1;
	}
	else {
		env_relocate_spec ();
	}
	gd->env_addr = (ulong)&(env_ptr->data);

#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif

	if (initEthAddr) {
	  	const char * ethaddr = getenv("ethaddr");

		if (ethaddr == 0L) {
		  	extern const char * env_read_backup_mac(void );
			ethaddr = env_read_backup_mac();
			if (ethaddr != 0L && strlen(ethaddr) == 17) {
			  	setenv("ethaddr", ethaddr);
			}
		}
	}
}

Example #27

void env_relocate_spec(void)
{
	ulong buf[(CONFIG_ENV_SIZE + 511) / 128];
	unsigned int err, rc;

	err = init_sata(CONFIG_ENV_DEVICE);
	if (err) {
		set_default_env("!init_sata error");
		return;
	}

	err = sata_read(CONFIG_ENV_DEVICE, CONFIG_ENV_ADDR, CONFIG_ENV_SIZE, buf);
	if (err) {
		set_default_env("!sata_read error");
		return;
	}

	env_import(buf, 1);
}

Example #28

File: env_mgdisk.c Project: BingLu/uboot_mini2440

void env_relocate_spec(void)
{
	char buf[CONFIG_ENV_SIZE];
	unsigned int err, rc;

	err = mg_disk_init();
	if (err) {
		set_default_env("!mg_disk_init error");
		return;
	}

	err = mg_disk_read(CONFIG_ENV_ADDR, buf, CONFIG_ENV_SIZE);
	if (err) {
		set_default_env("!mg_disk_read error");
		return;
	}

	env_import(buf, 1);
}

Example #29

File: init_wrappers.c Project: Adrizcorp/ARM_SOC_FPGA

int env_relocate_r(void)
{
	/* initialize environment */
	if (should_load_env())
		env_relocate();
	else
		set_default_env(NULL);

	return 0;
}

Example #30

File: env_ubi.c Project: 13xiaobang/mini2440-uboot_2016.01

		/* both ok - check serial */
		if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
			gd->env_valid = 2;
		else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
			gd->env_valid = 1;
		else if (tmp_env1->flags > tmp_env2->flags)
			gd->env_valid = 1;
		else if (tmp_env2->flags > tmp_env1->flags)
			gd->env_valid = 2;
		else /* flags are equal - almost impossible */
			gd->env_valid = 1;
	}

	if (gd->env_valid == 1)
		ep = tmp_env1;
	else
		ep = tmp_env2;

	env_flags = ep->flags;
	env_import((char *)ep, 0);
}
#else /* ! CONFIG_SYS_REDUNDAND_ENVIRONMENT */
void env_relocate_spec(void)
{
	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);

	if (ubi_part(CONFIG_ENV_UBI_PART, NULL)) {
		printf("\n** Cannot find mtd partition \"%s\"\n",
		       CONFIG_ENV_UBI_PART);
		set_default_env(NULL);
		return;
	}

	if (ubi_volume_read(CONFIG_ENV_UBI_VOLUME, buf, CONFIG_ENV_SIZE)) {
		printf("\n** Unable to read env from %s:%s **\n",
		       CONFIG_ENV_UBI_PART, CONFIG_ENV_UBI_VOLUME);
		set_default_env(NULL);
		return;
	}

	env_import(buf, 1);
}