From: Benjamin Herrenschmidt <bh40@calva.net>
To: Paul Mackerras <paulus@cs.anu.edu.au>,
linuxppc-dev@lists.linuxppc.org, cort@persephone.cs.nmt.edu
Subject: Interesting stuffs & feature bits
Date: Sat, 9 Jan 1999 18:55:25 +0100 [thread overview]
Message-ID: <19990109185525.022654@smtp.calvacom.fr> (raw)
In-Reply-To: <19990109181915.002685>
On Sat, Jan 9, 1999, Benjamin Herrenschmidt <bh40@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@calva.net>
BenH. Web : <http://calvaweb.calvacom.fr/bh40/>
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next parent reply other threads:[~1999-01-09 17:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <19990109181915.002685>
1999-01-09 17:55 ` Benjamin Herrenschmidt [this message]
1999-01-09 17:19 Interesting stuffs & feature bits Benjamin Herrenschmidt
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