diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/gpmc-nand.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/gpmc-nand.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt index 65f4f7c43136..fb733c4e1c11 100644 --- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt +++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt @@ -22,7 +22,7 @@ Optional properties: width of 8 is assumed. - ti,nand-ecc-opt: A string setting the ECC layout to use. One of: - "sw" <deprecated> use "ham1" instead + "sw" 1-bit Hamming ecc code via software "hw" <deprecated> use "ham1" instead "hw-romcode" <deprecated> use "ham1" instead "ham1" 1-bit Hamming ecc code @@ -110,8 +110,8 @@ on various other factors also like; Other factor which governs the selection of ecc-scheme is oob-size. Higher ECC schemes require more OOB/Spare area to store ECC syndrome, so the device should have enough free bytes available its OOB/Spare - area to accomodate ECC for entire page. In general following expression - helps in determining if given device can accomodate ECC syndrome: + area to accommodate ECC for entire page. In general following expression + helps in determining if given device can accommodate ECC syndrome: "2 + (PAGESIZE / 512) * ECC_BYTES" >= OOBSIZE" where OOBSIZE number of bytes in OOB/spare area @@ -133,5 +133,5 @@ on various other factors also like; Example(b): For a device with PAGESIZE = 2048 and OOBSIZE = 128 and trying to use BCH16 (ECC_BYTES=26) ecc-scheme. Number of ECC bytes per page = (2 + (2048 / 512) * 26) = 106 B - which can be accomodate in the OOB/Spare area of this device + which can be accommodated in the OOB/Spare area of this device (OOBSIZE=128). So this device can use BCH16 ecc-scheme. |