diff options
Diffstat (limited to 'common/cmd_flash.c')
| -rw-r--r-- | common/cmd_flash.c | 75 | 
1 files changed, 42 insertions, 33 deletions
| diff --git a/common/cmd_flash.c b/common/cmd_flash.c index 18d2250f3..29e5b6d9a 100644 --- a/common/cmd_flash.c +++ b/common/cmd_flash.c @@ -105,6 +105,47 @@ abbrev_spec (char *str, flash_info_t ** pinfo, int *psf, int *psl)  }  /* + * Take *addr in Flash and adjust it to fall on the end of its sector + */ +int flash_sect_roundb (ulong *addr) +{ +	flash_info_t *info; +	ulong bank, sector_end_addr; +	char found; +	int i; + +	/* find the end addr of the sector where the *addr is */ +	found = 0; +	for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank) { +		info = &flash_info[bank]; +		for (i = 0; i < info->sector_count && !found; ++i) { +			/* get the end address of the sector */ +			if (i == info->sector_count - 1) { +				sector_end_addr = info->start[0] + +								info->size - 1; +			} else { +				sector_end_addr = info->start[i+1] - 1; +			} + +			if (*addr <= sector_end_addr && +						*addr >= info->start[i]) { +				found = 1; +				/* adjust *addr if necessary */ +				if (*addr < sector_end_addr) +					*addr = sector_end_addr; +			} /* sector */ +		} /* bank */ +	} +	if (!found) { +		/* error, addres not in flash */ +		printf("Error: end address (0x%08lx) not in flash!\n", *addr); +		return 1; +	} + +	return 0; +} + +/*   * This function computes the start and end addresses for both   * erase and protect commands. The range of the addresses on which   * either of the commands is to operate can be given in two forms: @@ -126,8 +167,6 @@ addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)  {  	char *ep;  	char len_used; /* indicates if the "start +length" form used */ -	char found; -	ulong bank;  	*addr_first = simple_strtoul(arg1, &ep, 16);  	if (ep == arg1 || *ep != '\0') @@ -157,38 +196,8 @@ addr_spec(char *arg1, char *arg2, ulong *addr_first, ulong *addr_last)  		 * sector boundary, so that the commands don't fail later on.  		 */ -		/* find the end addr of the sector where the *addr_last is */ -		found = 0; -		for (bank = 0; bank < CFG_MAX_FLASH_BANKS && !found; ++bank){ -			int i; -			flash_info_t *info = &flash_info[bank]; -			for (i = 0; i < info->sector_count && !found; ++i){ -				/* get the end address of the sector */ -				ulong sector_end_addr; -				if (i == info->sector_count - 1){ -					sector_end_addr = -						info->start[0] + info->size - 1; -				} else { -					sector_end_addr = -						info->start[i+1] - 1; -				} -				if (*addr_last <= sector_end_addr && -						*addr_last >= info->start[i]){ -					/* sector found */ -					found = 1; -					/* adjust *addr_last if necessary */ -					if (*addr_last < sector_end_addr){ -						*addr_last = sector_end_addr; -					} -				} -			} /* sector */ -		} /* bank */ -		if (!found){ -			/* error, addres not in flash */ -			printf("Error: end address (0x%08lx) not in flash!\n", -								*addr_last); +		if (flash_sect_roundb(addr_last) > 0)  			return -1; -		}  	} /* "start +length" from used */  	return 1; |