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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
| commit | 1c27059a2f7158a9c9a8778535b030935d75179d (patch) | |
| tree | bf577d5c9f0da21c5d57feed1091214e54c39dec /drivers/mtd/cfi_flash.c | |
| parent | 8f0732ac3dc3bdbbcada313dc4b4b38d5d2c376a (diff) | |
| parent | 4668a086bb0a769b741e3a4ffab85f1c41c7cdb8 (diff) | |
| download | u-boot-imx-1c27059a2f7158a9c9a8778535b030935d75179d.zip u-boot-imx-1c27059a2f7158a9c9a8778535b030935d75179d.tar.gz u-boot-imx-1c27059a2f7158a9c9a8778535b030935d75179d.tar.bz2 | |
Merge remote-tracking branch 'u-boot/master'
Diffstat (limited to 'drivers/mtd/cfi_flash.c')
| -rw-r--r-- | drivers/mtd/cfi_flash.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index f0f301a..43140f3 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -1077,7 +1077,38 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) for (sect = s_first; sect <= s_last; sect++) { + if (ctrlc()) { + printf("\n"); + return 1; + } + if (info->protect[sect] == 0) { /* not protected */ +#ifdef CONFIG_SYS_FLASH_CHECK_BLANK_BEFORE_ERASE + int k; + int size; + int erased; + u32 *flash; + + /* + * Check if whole sector is erased + */ + size = flash_sector_size(info, sect); + erased = 1; + flash = (u32 *)info->start[sect]; + /* divide by 4 for longword access */ + size = size >> 2; + for (k = 0; k < size; k++) { + if (flash_read32(flash++) != 0xffffffff) { + erased = 0; + break; + } + } + if (erased) { + if (flash_verbose) + putc(','); + continue; + } +#endif switch (info->vendor) { case CFI_CMDSET_INTEL_PROG_REGIONS: case CFI_CMDSET_INTEL_STANDARD: @@ -1353,6 +1384,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) src += i; cnt -= i; FLASH_SHOW_PROGRESS(scale, dots, digit, i); + /* Only check every once in a while */ + if ((cnt & 0xFFFF) < buffered_size && ctrlc()) + return ERR_ABORTED; } #else while (cnt >= info->portwidth) { @@ -1365,6 +1399,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) wp += info->portwidth; cnt -= info->portwidth; FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth); + /* Only check every once in a while */ + if ((cnt & 0xFFFF) < info->portwidth && ctrlc()) + return ERR_ABORTED; } #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */ |