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authorgibbs <gibbs@FreeBSD.org>1996-10-28 06:05:58 +0000
committergibbs <gibbs@FreeBSD.org>1996-10-28 06:05:58 +0000
commit82ea9f9f182c7e1f6fd071770b74276d696550c0 (patch)
treeeb942ccee42cdff02e116a50bda061521d418716 /sys/conf/options.i386
parent3e530ea93e84a0577d83fa0e2f98bf0ef85d939e (diff)
downloadFreeBSD-src-82ea9f9f182c7e1f6fd071770b74276d696550c0.zip
FreeBSD-src-82ea9f9f182c7e1f6fd071770b74276d696550c0.tar.gz
Add two new aic7xxx driver options:
AHC_FORCE_PIO - This forces the driver to use PIO even on systems that say they have memory mapped the controller's registers. This seems to fix Ken Lam's problems. I've also placed this option in the GENERIC kernel file so that we are guaranteed to install even on these flakey machines. AHC_SHARE_SCBS - This option attempts to share the external SCB SRAM on the 398X controllers allowing a totoll of 255 non-paged SCBs. This doesn't work quite yet, so this option is mostly here to help 398X owners to experiment and give me feedback until this works properly.
Diffstat (limited to 'sys/conf/options.i386')
-rw-r--r--sys/conf/options.i3864
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/conf/options.i386 b/sys/conf/options.i386
index a0d683a..1a3f0c7 100644
--- a/sys/conf/options.i386
+++ b/sys/conf/options.i386
@@ -1,4 +1,4 @@
-# $Id: options.i386,v 1.24 1996/10/17 19:31:47 bde Exp $
+# $Id: options.i386,v 1.25 1996/10/23 07:29:35 pst Exp $
BOUNCEPAGES opt_bounce.h
USER_LDT
MATH_EMULATE opt_math_emulate.h
@@ -29,6 +29,8 @@ XSERVER opt_pcvt.h
AHC_TAGENABLE opt_aic7xxx.h
AHC_SCBPAGING_ENABLE opt_aic7xxx.h
+AHC_FORCE_PIO opt_aic7xxx.h
+AHC_SHARE_SCBS opt_aic7xxx.h
CLK_CALIBRATION_LOOP opt_clock.h
CLK_USE_I8254_CALIBRATION opt_clock.h
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