From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Goldschmidt Date: Tue, 24 Sep 2019 14:08:49 +0200 Subject: [U-Boot] [EXT] [PATCH 2/2] spi-nor: spi-nor-ids: Disable SPI_NOR_4B_OPCODES for n25q512* and n25q256* In-Reply-To: References: <20190910170621.2064-1-vigneshr@ti.com> <20190910170621.2064-2-vigneshr@ti.com> <710074c4-e1f9-972c-3dab-a6a6d6437d45@microchip.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Vignesh, On Tue, Sep 24, 2019 at 1:54 PM Vignesh Raghavendra wrote: > > Simon, > > On 24-Sep-19 5:15 PM, Simon Goldschmidt wrote: > > Hi Tudor, > > > > On Tue, Sep 24, 2019 at 1:36 PM wrote: > >> > [...] > > >>>> > >>>> Simon, > >>>> Could you provide dump of SFDP tables and all the 6 bytes READ ID of the > >>>> flash that you have? > >>> > >>> I have a n251256a with JEDEC ID 20, ba, 19, 10, 44, 00. > >> > >> Is this a n25q256a or a MT25QL256ABA? We want to check if there are n25q256a > >> flashes that have the 6th bit of the Extended Device Id set to one or not. > >> According to n25q256a datasheet the bit 6 is reserved (which probably translates > >> to being zero), while on MT25QL256ABA is set to one. > > > > Right, this really is a MT25QL256ABA, I guess. I'm not quite familiar with the > > print on the housing, sorry. We had both and here, it's probably the MT, not > > the nq. > > > > But, do you have access to n25q variants? And does that support 4 Byte > addressing opcode? What does its JEDEC ID read? No, at the moment I don't. I'll see if I can get hold of one. Regards, Simon > > > I also wasn't really aware of the differences between those two, sorry. > > > > Regards, > > Simon > > > >> > >> Cheers, > >> ta > >>