[src/trunk]: src/sys/arch/evbarm/rpi Grab the DMA channel mask from the firmw...

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

details:   https://anonhg.NetBSD.org/src/rev/df5da5c05c2d
branches:  trunk
changeset: 332116:df5da5c05c2d
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sun Sep 07 15:28:24 2014 +0000

description:
Grab the DMA channel mask from the firmware.

diffstat:

 sys/arch/evbarm/rpi/rpi_machdep.c |  15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)

diffs (50 lines):

diff -r 04d3ca921812 -r df5da5c05c2d sys/arch/evbarm/rpi/rpi_machdep.c
--- a/sys/arch/evbarm/rpi/rpi_machdep.c Sun Sep 07 15:28:05 2014 +0000
+++ b/sys/arch/evbarm/rpi/rpi_machdep.c Sun Sep 07 15:28:24 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rpi_machdep.c,v 1.45 2014/09/05 21:22:35 macallan Exp $        */
+/*     $NetBSD: rpi_machdep.c,v 1.46 2014/09/07 15:28:24 skrll Exp $   */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.45 2014/09/05 21:22:35 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rpi_machdep.c,v 1.46 2014/09/07 15:28:24 skrll Exp $");
 
 #include "opt_evbarm_boardtype.h"
 #include "opt_ddb.h"
@@ -177,6 +177,7 @@
        struct vcprop_tag_macaddr       vbt_macaddr;
        struct vcprop_tag_memory        vbt_memory;
        struct vcprop_tag_boardserial   vbt_serial;
+       struct vcprop_tag_dmachan       vbt_dmachan;
        struct vcprop_tag_cmdline       vbt_cmdline;
        struct vcprop_tag_clockrate     vbt_emmcclockrate;
        struct vcprop_tag_clockrate     vbt_armclockrate;
@@ -229,6 +230,13 @@
                        .vpt_rcode = VCPROPTAG_REQUEST
                },
        },
+       .vbt_dmachan = {
+               .tag = {
+                       .vpt_tag = VCPROPTAG_GET_DMACHAN,
+                       .vpt_len = VCPROPTAG_LEN(vb.vbt_dmachan),
+                       .vpt_rcode = VCPROPTAG_REQUEST
+               },
+       },
        .vbt_cmdline = {
                .tag = {
                        .vpt_tag = VCPROPTAG_GET_CMDLINE,
@@ -457,6 +465,9 @@
        if (vcprop_tag_success_p(&vb.vbt_serial.tag))
                printf("%s: board serial %llx\n", __func__,
                    vb.vbt_serial.sn);
+       if (vcprop_tag_success_p(&vb.vbt_dmachan.tag))
+               printf("%s: DMA channel mask 0x%08x\n", __func__,
+                   vb.vbt_dmachan.mask);
 
        if (vcprop_tag_success_p(&vb.vbt_cmdline.tag))
                printf("%s: cmdline      %s\n", __func__,