Re: Supported flash memory

David Woodhouse
2001-01-05T14:09:06Z

kenneth.johansson@inn.ericsson.se said:
> The module can have up to 16 chips. (AMD)
> Every chip has a to be in 8 bit mode.
> The address range is divided into 8 chip select, giving a 16
> bit data bus. Thus I can't do any other access than 16 bit and always
> activate two chip's.

OK, if it's CFI flash that should work.

> Also, we make them with a version that has a boot block (different
> block size) but I think MTD can handle that or ?

We support that on AMD chips as of a couple of weeks ago. The logic is the
same for Intel chips and the merge will happen soon.

> Why do the boot code need to support flash? Flash looks like a
> ordinary ROM for everything not knowing the magic sequence.

For booting, it doesn't. For downloading a new kernel over CF Ethernet or
xmodem and putting it into the flash, it does.