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 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot