Interesting stuffs & feature bits

[Benjamin Herrenschmidt]

On Sat, Jan 9, 1999, Benjamin Herrenschmidt <bh40 at calva.net> wrote:

>Apparently, on mt heathrow-based PowerBook, channel A is 0x4000 and channel B
>is 0x8000 but MacOS always enable bit at 0x2000 when setting one of those.
>So, in the array of feature, the mask for channel A should be 0x00004200 and
>for channel B, it should be 0x00008200. So I guess this bit is wrong too. The
>result for heathrow would be:
>
>#define HEATHROW_SCCA_IO		0x4000
>#define HEATHROW _SCCB_IO		0x8000
>#define HEATHROW _SCC_ENABLE		0x2000
                               ^^^^^^
This is a typo, the value is 0x200, like OHare.


-- 
           E-Mail: <mailto:bh40 at calva.net>
BenH.      Web   : <http://calvaweb.calvacom.fr/bh40/>




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