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1 How to enable PMECC(Programmable Multibit ECC) for nand on Atmel SoCs
7 can be used to support both SLC and MLC NAND Flash devices. It supports to
8 generate ECC to correct 2, 4, 8, 12 or 24 bits of error per sector (512 or
17 To use PMECC in this driver, the user needs to set:
30 How to enable PMECC header for direct programmable boot.bin
34 The usual way to program SPL into NAND flash is to use the SAM-BA Atmel tool.
35 This however is often not usable when doing field updates. To be able to
36 program a SPL binary into NAND flash we need to add the PMECC header to the
38 sama5d3 SoC spec (as of 03. April 2014) defines how this PMECC header has to
39 look like. In order to do so we have a new image type added to mkimage to
42 To enable the generation of atmel PMECC header for SPL one needs to define
45 tool will be called in build process to parametrize mkimage for atmelimage
48 The mkimage image type atmelimage also set the 6'th interrupt vector to the
49 correct value. This feature can also be used to setup a boot.bin for MMC boot.