[PATCH 2/2 v4] mtd/nand : workaround for Freescale FCM to support large-page Nand chip

[Scott Wood]

On 12/09/2011 03:42 AM, shuo.liu at freescale.com wrote:
> From: Liu Shuo <shuo.liu at freescale.com>
> 
> Freescale FCM controller has a 2K size limitation of buffer RAM. In order
> to support the Nand flash chip whose page size is larger than 2K bytes,
> we read/write 2k data repeatedly by issuing FIR_OP_RB/FIR_OP_WB and save
> them to a large buffer.
> 
> Signed-off-by: Liu Shuo <shuo.liu at freescale.com>
> Signed-off-by: Shengzhou Liu <Shengzhou.Liu at freescale.com>
> Signed-off-by: Li Yang <leoli at freescale.com>
> ---
> v4 : allocate (8+1)k buffer for large page chip.
> 
>  drivers/mtd/nand/fsl_elbc_nand.c |  246 ++++++++++++++++++++++++++++++++++----
>  1 files changed, 221 insertions(+), 25 deletions(-)

Again, I think we need to sort out the bad block migration first -- at
least how we're going to mark the chip as having been migrated, so the
driver can check for it.

-Scott