thoughts and questions on 8xx patches
wd at denx.de
Tue Sep 21 22:52:22 EST 2004
In message <Pine.LNX.4.60.0409210808250.9449 at dell.enoriver.com> you wrote:
> from list discussions some time back, i already gave up on the idea of
> the configuration being able to detect the exact processor and taking
> that into account. we've already established that, and i'm happy with
> all i'm suggesting now is a drop down choice menu of known patches
> relevant to that architecture, that's all. in some cases, there would
> be two choices, as in:
> [ ] I2C/SPI for 850
> [ ] I2C/SPI for 8xx (non-850)
Plus there is also the case of "need to relocate parameter RAM on a
MPC852/859/866/... processor". In this case no microcode patch i
sneeded, and the current code will crash the system.
More cases may be necessary.
> i can't imagine that this list would get overly long. from what i can
> see, the denx tree supports the following list of patches:
Please forget this. I asked you several times NOT to use this old
code for reference. It is known to be broken in several configu-
> and, unless i'm reading this badly, that's the entire list. all of
No, it's not. It will not work on most of the newer MPC8xx
> so ... why is this such an objectionable thing?
Because it is (1) incomplete and (2) broken.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
There are two ways to write error-free programs. Only the third one
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