Date: Sat, 4 Jun 2011 07:06:05 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/mips/cavium octeon_ebt3000_cf.c Message-ID: <201106040706.p5476EI8079557@repoman.freebsd.org>
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imp 2011-06-04 07:06:05 UTC
FreeBSD src repository
Modified files:
sys/mips/cavium octeon_ebt3000_cf.c
Log:
SVN rev 222671 on 2011-06-04 07:06:05Z by imp
Add support for True IDE mode to the Octeon CF driver. This mode is
signalled when the attribute address for the CF is 0 in the octeon
sysinfo structure. In this mode, the DATA port is 16-bits, but the
other ports are 8-bits, but on a 16-bit bus (so you have to access it
a short at a time, but only believe the lower byte). See the code for
more details on this slightly odd arrangement. I'm still not 100%
happy with the abstractions here on many levels (starting with the
globals for these settings, on down to no bus_space use, etc), but the
driver had these problems before the change.
Also, clean up the code a bit to make this support easier, and the
code a bit easier to read. I tried to follow existing style, but may
have missed a few spots. Add some comments.
Fix probe/attach routine to return a proper error for the simulator.
With this change, my EBH5200 eval board now recognizes the CF well
enough to boot to the login prompt. Before it would say it never
became ready. My CN3010-EVB-HS5 still boots properly. My older
CN3860-based board won't load the 64-bit kernel, either before or
after the change, and I didn't chase that down.
Revision Changes Path
1.7 +194 -137 src/sys/mips/cavium/octeon_ebt3000_cf.c
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