[U-Boot] Using Micron (Numonyx) m28w640hcb with u-boot

2011-11-12 Thread Gudjon I. Gudjonsson
Hi list I have replaced the at49bv642d nor flash memory on my Atmel ngw100 board with the pin compatible m28w640hcb flash memory from Micron (formerly Numonyx). I can program the U-boot to the flash without problems using a JTAG. I can also program the full buildroot Linux system using

Re: [U-Boot] Using Micron (Numonyx) m28w640hcb with u-boot

2011-11-14 Thread Gudjon I. Gudjonsson
Hi Vipin > > 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

Re: [U-Boot] Using Micron (Numonyx) m28w640hcb with u-boot (Solved)

2011-11-15 Thread Gudjon I. Gudjonsson
Hello Vipin > > > > 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 Setting FORCE_WORD_WRITE to 1 in the cfi_cmdset_0001.c fixes the problem. #define FORCE_WORD_WRITE 1 but it is set