Module Name:    src
Committed By:   jmcneill
Date:           Sat Aug 13 16:44:11 UTC 2022

Modified Files:
        src/sys/arch/arm/acpi: acpipchb.c

Log Message:
acpipchb: Add a kernel cmdline option to skip PCI resource assignment.

Passing "nopciconf" to the kernel will force acpipchb to skip PCI
resource assignment.


To generate a diff of this commit:
cvs rdiff -u -r1.28 -r1.29 src/sys/arch/arm/acpi/acpipchb.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/arm/acpi/acpipchb.c
diff -u src/sys/arch/arm/acpi/acpipchb.c:1.28 src/sys/arch/arm/acpi/acpipchb.c:1.29
--- src/sys/arch/arm/acpi/acpipchb.c:1.28	Tue Aug 10 15:31:38 2021
+++ src/sys/arch/arm/acpi/acpipchb.c	Sat Aug 13 16:44:11 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: acpipchb.c,v 1.28 2021/08/10 15:31:38 jmcneill Exp $ */
+/* $NetBSD: acpipchb.c,v 1.29 2022/08/13 16:44:11 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpipchb.c,v 1.28 2021/08/10 15:31:38 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpipchb.c,v 1.29 2022/08/13 16:44:11 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -44,6 +44,7 @@ __KERNEL_RCSID(0, "$NetBSD: acpipchb.c,v
 #include <sys/cpu.h>
 
 #include <arm/cpufunc.h>
+#include <arm/bootconfig.h>
 
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
@@ -190,11 +191,15 @@ acpipchb_configure_bus(struct acpipchb_s
 	struct acpi_pci_context *ap = md_pc->pc_conf_v;
 	struct pciconf_resources *pcires;
 	ACPI_STATUS rv;
-	int error;
+	int error, val;
 
 	if (!acpi_pci_ignore_boot_config(sc->sc_handle)) {
 		return;
 	}
+	if (get_bootconf_option(boot_args, "nopciconf",
+				BOOTOPT_TYPE_BOOLEAN, &val) && val) {
+		return;
+	}
 
 	if ((ap->ap_flags & ACPI_PCI_FLAG_NO_MCFG) != 0) {
 		pcires = pciconf_resource_init();

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