Flash Driver

Wolfgang Denk wd at denx.de
Tue Aug 14 08:28:44 EST 2001

In message <3A494DE356A49A40B37442E1E0D9F3B5063418 at ptah.ad.newisys.com> you wrote:
> Can someone tell me how to set up and use the flash driver in the 2.4.x
> Linux kernel. I see a CFI and non-CFI support for the AMD flash chips. I

You mean the driver we maintain?

> am using an AMD flash chip on my board. Which one of the drivers do I
> load? How are these initialized?

For AMD chips, configure:


Add a "partition" scheme for your board to "drivers/char/flash_config.c";
see the comment in this file.

There is no more configuration needed (assuming you are booting  from
PPCBoot, which will pass the necessary parameters to the Linux kernel
[physical start address and size of the flash memory]).

> I have not been able to find any documentation on this. Any help is very
> appreciated.

Just ask :-)

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
Q: How do you spell "onomatopoeia"?
A: The way it sounds.

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