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[src/trunk]: src/sys/dev/acpi The MCFG base address field is the physical add...



details:   https://anonhg.NetBSD.org/src/rev/ba5773842ac5
branches:  trunk
changeset: 845732:ba5773842ac5
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Oct 14 00:15:13 2019 +0000

description:
The MCFG base address field is the physical address of the base of mmio
space relative to bus 0, not the start bus number specified in the table
entry.

diffstat:

 sys/dev/acpi/acpi_mcfg.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 6fd7379bd828 -r ba5773842ac5 sys/dev/acpi/acpi_mcfg.c
--- a/sys/dev/acpi/acpi_mcfg.c  Sun Oct 13 22:32:09 2019 +0000
+++ b/sys/dev/acpi/acpi_mcfg.c  Mon Oct 14 00:15:13 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: acpi_mcfg.c,v 1.16 2018/12/20 19:16:17 jmcneill Exp $  */
+/*     $NetBSD: acpi_mcfg.c,v 1.17 2019/10/14 00:15:13 jmcneill Exp $  */
 
 /*-
  * Copyright (C) 2015 NONAKA Kimihiro <nonaka%NetBSD.org@localhost>
@@ -28,7 +28,7 @@
 #include "opt_pci.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_mcfg.c,v 1.16 2018/12/20 19:16:17 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_mcfg.c,v 1.17 2019/10/14 00:15:13 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -575,7 +575,7 @@
                return 0;
 
        mb = &seg->ms_bus[boff];
-       baddr = seg->ms_address + (boff * ACPIMCFG_SIZE_PER_BUS);
+       baddr = seg->ms_address + (bus * ACPIMCFG_SIZE_PER_BUS);
 
        /* Map extended configration space of all dev/func. */
        error = bus_space_map(seg->ms_bst, baddr, ACPIMCFG_SIZE_PER_BUS, 0,
@@ -832,7 +832,7 @@
        for (b = seg->ms_bus_start; b <= seg->ms_bus_end; b++) {
                boff = b - seg->ms_bus_start;
                mb = &seg->ms_bus[boff];
-               baddr = seg->ms_address + (boff * ACPIMCFG_SIZE_PER_BUS);
+               baddr = seg->ms_address + (b * ACPIMCFG_SIZE_PER_BUS);
 
                /* Map extended configration space of all dev/func. */
                error = bus_space_map(seg->ms_bst, baddr, ACPIMCFG_SIZE_PER_BUS, 0,



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