>> No, it is not. I would say, the first byte is OK (I don't have the >> board with me right now). > > OK, if the chip isn't erased properly, you aren't going to make any headway > programming. You have to solve the erase problem first. > > Is the block you are trying to erase locked? > No
>> The Flash chip is a SIMM with 4 LH28F016SCT chips. >> When I try to use a 32 bits wide bus, it does not work. > > That implies the bus is 32 bits wide made up of 4 x8 chips in parallel. It > is possible that it is wired 16 bits wide or 8 bits wide by 2 or 4 chips > deep, but that is very unlikely. > > Is this a stock Freescale eval board or is it custom h/w? > This is a freescale board. > The config file you sent had: > [FLASH] > CHIPTYPE I28BX8 ; Flash type > CHIPSIZE 0x200000 ; Single chip size (2 Mbyte) > BUSWIDTH 8 ; total width for the whole SIMM > ;WORKSPACE 0x7e000000 ;workspace in target RAM for fast download > FILE u-boot.bin > FORMAT BIN 0xFF900000 > > Searching for the chip type picks up: > <http://www.datasheetcatalog.org/datasheet/Sharp/mXusvqq.pdf> > Searching for Abatron flash types picks up: > <http://www.abatron.ch/fileadmin/user_upload/products/pdf/flashsupp.pdf> > > OK, looks like you have the right chiptype. > > The buswidth most likely needs to be 32. You said you tried this and it > didn't work. No, it didn't. It just said that erasing was not working. I will tell you more tomorrow. > Running low on suggestions, but here goes... > * Fix the buswidth in the config file and then cycle power on everything to > make sure you have a clean new configuration (paranoia sometimes pays off) What do you mean by "cycle power on everything" ? > * Verify the SIMM is x32. Huh ? How ? JM _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
