Hi Gabor, On Thu, Mar 26, 2015 at 08:13:38AM +0000, Gabor Janak (g.janak@xxxxxxxxxx) wrote: > Hello, > > on all Platforms which using > drivers/mtd/nand/nand_omap_gpmc.c > with ECC Mode OMAP_ECC_HAMMING_CODE_HW_ROMCODE > (in DTS: bch8_hw_romcode ) the Code is only check the first part of a block page. > > The special Read-function read always a whole page, but only the ECC results oft he first block is checked. > Any Error after first 512Byte are not detected and not corrected. > > I'm Using barebox-2014.09 on am335x . But it looks in the current HEAD same ... > > A fast Workaround hack : > In function omap_correct_bch: > Settings blocks always to 4 and because eccsize is 13 > > Changing at the end: > calc_ecc = calc_ecc + eccsize; > read_ecc = read_ecc + eccsize+1; //add 1 because in Flash 13+1 is written > dat += 512; > > > I know this ist he wrong way.... ;) > > If i have some time, i will try to search a better solution, but currently i have not much time. It would be great if you could find the time to write a patch. Thanks for noting this issue anyway, it may safe other peoples time. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
