[U-Boot] [U-Boot, v3, 2/2] arasan: nfc: Add initial nand driver support for arasan

[Scott Wood]

On Tue, Nov 17, 2015 at 02:30:10PM +0530, Siva Durga Prasad Paladugu wrote:
> Added initial nand driver support for arasan nand flash
> controller.This supports nand erase,nand read, nand write
> This uses the hardware ECC for read and write operations
> ZynqMP uses this  driver.
> 
> Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> ---
> Changes from v2:
> - Changed licensing to GPL2.0+
> - Corrected ecc bits in ecc_matrix
> - Added bchval to ecc_matrix
> - Modified codeword size in ecc matrix
> - Modified nand_init as per review
>   comment
> - Removed hardcoding for ecc size and
>   bch shift operations
> Changes from v1:
> - Made some variables global to filescope
>   wherever applicable
> - Used real units of time for timeouts
> - Handled proper return values
> - Removed arasan_read_byte and merged  its
>   functionality to arasan_nand_read_byte
> - Fixed coding style changes
> - Removed On Die ECC support code for now
> - Removed code ReadId from init.
> ---
>  drivers/mtd/nand/Makefile     |    1 +
>  drivers/mtd/nand/arasan_nfc.c | 1155 +++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 1156 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/mtd/nand/arasan_nfc.c

I fixed several checkpatch warnings when applying -- please check this
next time.

-Scott