[src/trunk]: src/sys/arch/evbmips/alchemy Clear ATAC_CAP_DATA32, if dev is at...

[kiyohara <kiyohara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/984471196f78
branches:  trunk
changeset: 343509:984471196f78
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Tue Feb 09 12:48:06 2016 +0000

description:
Clear ATAC_CAP_DATA32, if dev is atabus@wdc@pcmcia@aupcmcia.  It is 32-bit transfers are not supported.

diffstat:

 sys/arch/evbmips/alchemy/autoconf.c |  23 +++++++++++++++++++----
 1 files changed, 19 insertions(+), 4 deletions(-)

diffs (63 lines):

diff -r 035cf8ebb2b3 -r 984471196f78 sys/arch/evbmips/alchemy/autoconf.c
--- a/sys/arch/evbmips/alchemy/autoconf.c       Tue Feb 09 10:20:03 2016 +0000
+++ b/sys/arch/evbmips/alchemy/autoconf.c       Tue Feb 09 12:48:06 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: autoconf.c,v 1.19 2012/10/27 17:17:50 chs Exp $ */
+/* $NetBSD: autoconf.c,v 1.20 2016/02/09 12:48:06 kiyohara Exp $ */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.19 2012/10/27 17:17:50 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.20 2016/02/09 12:48:06 kiyohara Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -48,6 +48,8 @@
 #include <mips/alchemy/include/auvar.h>
 #include <mips/alchemy/include/aubusvar.h>
 
+#include <dev/ata/atavar.h>
+
 /*
  * Configure all devices on system
  */     
@@ -80,8 +82,6 @@
 void
 device_register(device_t dev, void *aux)
 {
-       struct aubus_attach_args *aa = aux;
-
        /*
         * We don't ever know the boot device.  But that's because the
         * firmware only loads from the network.
@@ -89,6 +89,7 @@
 
        /* Fetch the MAC addresses from YAMON. */
        if (device_is_a(dev, "aumac")) {
+               struct aubus_attach_args *aa = aux;
                prop_data_t pd;
                const char *cp;
                char *cp0;
@@ -126,4 +127,18 @@
                        prop_object_release(pd);
                }
        }
+       if (device_is_a(dev, "atabus")) {
+               device_t p1 = device_parent(dev);
+               device_t p2 = device_parent(p1);
+               device_t p3 = device_parent(p2);
+
+               if (device_is_a(p1, "wdc") &&
+                   device_is_a(p2, "pcmcia") &&
+                   device_is_a(p3, "aupcmcia")) {
+                       struct ata_channel *chp = aux;
+
+                       /* 32-bit transfers are not supported. */
+                       chp->ch_atac->atac_cap &= ~ATAC_CAP_DATA32;
+               }
+       }
 }