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diff --git a/Documentation/arm/samsung-s3c24xx/nand.rst b/Documentation/arm/samsung-s3c24xx/nand.rst new file mode 100644 index 000000000..938995694 --- /dev/null +++ b/Documentation/arm/samsung-s3c24xx/nand.rst @@ -0,0 +1,30 @@ +==================== +S3C24XX NAND Support +==================== + +Introduction +------------ + +Small Page NAND +--------------- + +The driver uses a 512 byte (1 page) ECC code for this setup. The +ECC code is not directly compatible with the default kernel ECC +code, so the driver enforces its own OOB layout and ECC parameters + +Large Page NAND +--------------- + +The driver is capable of handling NAND flash with a 2KiB page +size, with support for hardware ECC generation and correction. + +Unlike the 512byte page mode, the driver generates ECC data for +each 256 byte block in an 2KiB page. This means that more than +one error in a page can be rectified. It also means that the +OOB layout remains the default kernel layout for these flashes. + + +Document Author +--------------- + +Ben Dooks, Copyright 2007 Simtec Electronics |