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Diffstat (limited to 'drivers/mtd/spi/Kconfig')
| -rw-r--r-- | drivers/mtd/spi/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mtd/spi/Kconfig b/drivers/mtd/spi/Kconfig index 8b730ff..3f7433c 100644 --- a/drivers/mtd/spi/Kconfig +++ b/drivers/mtd/spi/Kconfig @@ -86,6 +86,21 @@ config SPI_FLASH_WINBOND endif +config SPI_FLASH_USE_4K_SECTORS + bool "Use small 4096 B erase sectors" + depends on SPI_FLASH + default y + help + Many flash memories support erasing small (4096 B) sectors. Depending + on the usage this feature may provide performance gain in comparison + to erasing whole blocks (32/64 KiB). + Changing a small part of the flash's contents is usually faster with + small sectors. On the other hand erasing should be faster when using + 64 KiB block instead of 16 × 4 KiB sectors. + + Please note that some tools/drivers/filesystems may not work with + 4096 B erase size (e.g. UBIFS requires 15 KiB as a minimum). + config SPI_FLASH_DATAFLASH bool "AT45xxx DataFlash support" depends on SPI_FLASH && DM_SPI_FLASH |