On 02/17/2011 10:50 PM, Marc Kleine-Budde wrote: > Hello Jean-Christophe, > > On 02/10/2011 12:48 PM, Jean-Christophe PLAGNIOL-VILLARD wrote: >> which ecc did u use before? > > I'm working on a at91sam9m10ek, using latest origin/next. > > The ecc-mode is "hardcoded" to NAND_ECC_HW in > arch/arm/mach-at91/at91sam9g45_devices.c. I've got the same -74 problem > when reading from the nand. > > Barebox fails to read the environment, even if barebox has written it. > After changing the ecc mode to soft the env can be read and written > without problems. > > I ported the atmel nand driver from linux-2.6.37, which had no > significant differences. I just found in linux Kconfig: > config MTD_NAND_ATMEL_ECC_HW > bool "Hardware ECC" > depends on ARCH_AT91SAM9263 || ARCH_AT91SAM9260 || AVR32 The sam9g45 is not listed here....Maybe we should hardcode "soft" in barebox for the 9g45 regards, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |