From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Mon, 29 Feb 2016 23:55:19 +0100 Subject: [U-Boot] Problem with attaching UBI partition In-Reply-To: References: <56CCA0E0.6050902@denx.de> Message-ID: <56D4CC57.8000901@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 02/24/2016 09:59 AM, Bakhvalov, Denis (Nokia - PL/Wroclaw) wrote: > Hello Heiko, > >> Which U-Boot version? Which board? > > This is U-Boot v2016.03-rc1. I have custom board with socfpga Arria5 > onboard. > >> Where does this leading 0xff come from? There seems a problem with >> your spi nor flash driver? > > Yes, you're right. I have problems with the driver. As I mentioned in > previous mail when I read the contents from the flash some data is > corrupted. > > How to find out if the problem is because U-Boot has no support for > my flash (Spansion S25FL512S NOR flash with SPI) or I have not proper > configured SPI in U-Boot? I believe there is a problem with caches , which we still didn't identify. CCing Dinh and Chin, as they were the last ones looking into this problem. For now, try doing "dcache off" before using the QSPI NOR. -- Best regards, Marek Vasut