On 11/14/2011 9:59 PM, Gudjon I. Gudjonsson wrote: > Hi Vipin >> Hello Gudjon,
>> I have had a similar problem with spear3xx board. Basically, this flash >> is write protected in hardware by default. It has to be specifically >> made writable. Please define a flag CONFIG_SYS_FLASH_PROTECTION in your >> config file. >> > Thanks a lot. This works like charm :) > > Now I have spent the whole day on trying to mount the device from Linux as a > read/write partition but without luck. > Ideally, it should have happened now > I can mount the partition but if I try to do some writing to it I get: > > Write clean marker to block at 0x00030000 failed: -30 > ... > repeated for all sector boundaries. If I reboot the device the partition is > empty. > > > Then I tried to use flash_eraseall but it fails as well > # flash_eraseall -j /dev/mtd1 > Erasing 64 Kibyte @ 0 -- 0 % complete. > flash_eraseall: /dev/mtd1: MTD write failure: Read-only file system > > I tried to unlock the flash (using protect off) before booting Linux but > without any success. > There is one environment variable to do it. setenv unlock yes I think this should be sufficient > I can't find any configuration option related to the NOR CFI flash in the > spear3xx kernel configuration files. > Do you have any useful hint on this as well? > Sorry, I dont have any other idea specifically for this. I will let you know if something comes to mind Vipin > Regards > Gudjon > _______________________________________________ > U-Boot mailing list > [email protected] > http://lists.denx.de/mailman/listinfo/u-boot > _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
