From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Roese <sr@denx.de>
Date: Thu, 10 Jan 2013 15:31:56 +0100
Subject: [U-Boot] [PATCH 1/1] mtd/cfi: add support for SST 4KB sector
	granularity
In-Reply-To: <20121201001417.GA643@angel3>
References: <20121201001417.GA643@angel3>
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To: u-boot@lists.denx.de

On 12/01/2012 01:14 AM, Angelo Dureghello wrote:
> Add support for SST 4KB sector granularity.
> 
> Many recent SST flashes, i.e. SST39VF3201B and similar of this family 
> are declared CFI-conformant from SST. They support CFI query, but implement 
> 2 different sector sizes in the same memory: a 64KB sector (they call it 
> "block", std AMD erase cmd=0x30), and a 4KB sector (they call it "sector", 
> erase cmd=0x50). Also, CFI query on these chips, reading from address 0x2dh 
> of cfi query struct, detects a number of secotrs for the 4KB granularity
> (flinfo shows it). 
> 
> For all other aspects, they are CFI compliant, so, as Linux do, i think 
> it's a good idea to handle these chips in the CFI driver, with a fixup
> to allow 4KB granularity, as should be expected, instead of 64KB.

Applied to u-boot-cfi-flash/master. Thanks.

Thanks,
Stefan