[PATCH v2] mtd: map: new driver for NXP IFC

Prabhakar Kushwaha prabhakar.kushwaha at nxp.com
Tue Aug 29 17:37:29 PDT 2017


Dear Matt,

> -----Original Message-----
> From: linux-mtd [mailto:linux-mtd-bounces at lists.infradead.org] On Behalf Of
> Matt Weber
> Sent: Wednesday, August 30, 2017 1:17 AM
> To: linux-mtd at lists.infradead.org
> Cc: Matt Weber <matthew.weber at rockwellcollins.com>; boris.brezillon at free-
> electrons.com; Sanjay Tandel <sanjay.tandel at rockwellcollins.com>;
> arnd at arndb.de
> Subject: [PATCH v2] mtd: map: new driver for NXP IFC
> 
> From: Sanjay Tandel <sanjay.tandel at rockwellcollins.com>
> 
> This patch adds map driver for parallel flash chips interfaced over
> a NXP Integrated Flash Controller (IFC). This driver allows either
> 8-bit or 16-bit accesses, depending on bank-width, to parallel flash
> chips(like Everspin MR0A16A), which are physically mapped to CPU's
> memory space. For unaligned accesses, it performs read-modify-write
> operations to keep access size same as bank-width.
> 


IFC is configured as per Flash's width per Chip select via boot-loader. 

Can you please share more details about the driver requirement. 
What is not working with NXP IFC?

--prabhakar




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