From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Chou Date: Wed, 4 Nov 2015 13:33:00 +0800 Subject: [U-Boot] [PATCH] mtd: add altera quadspi driver In-Reply-To: <201511040615.15354.marex@denx.de> References: <1446556932-14978-1-git-send-email-thomas@wytron.com.tw> <201511040445.43616.marex@denx.de> <56398D64.9010208@wytron.com.tw> <201511040615.15354.marex@denx.de> Message-ID: <5639988C.5050407@wytron.com.tw> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Marek, On 2015?11?04? 13:15, Marek Vasut wrote: > On Wednesday, November 04, 2015 at 05:45:24 AM, Thomas Chou wrote: >> Hi Marek, > > Hi, > >> On 2015?11?04? 11:45, Marek Vasut wrote: >>> Let me just put an idea here, it might be wrong -- but doesn't this seem >>> like some sort of NVMEM device? See for example: >>> >>> https://lkml.org/lkml/2015/5/21/643 >> >> Thanks for the pointer. However, it needs erasing before writing. > > But does it operate in some sort of memory-mapped fashion or is this more > of a SPI controller ? I think it's the former, right ? Right. The former. > > But now that you mention the erasing, I see why you'd opt for the CFI > framework, yeah. Yes. Best regards, Thomas