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

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@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.

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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