Supported flash memory
dwmw2 at infradead.org
Fri Jan 5 09:09:01 EST 2001
kenneth.johansson at 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.
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