[src/trunk]: src/sys/external/bsd/vchiq/dist/interface/vchiq_arm Do not attac...

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

details:   https://anonhg.NetBSD.org/src/rev/d22ae1d86fff
branches:  trunk
changeset: 946559:d22ae1d86fff
user:      rin <rin%NetBSD.org@localhost>
date:      Tue Dec 01 04:19:04 2020 +0000

description:
Do not attach vchiq(4) in big-endian mode.

For big-endian mode, all data written to and read from DMA buffer must be
byte-swapped. This requires heavy modifications to third party codes.

Also, we will switch to vc4 drm driver, hopefully soon.

diffstat:

 sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_acpi.c |  9 +++++++--
 sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_fdt.c  |  9 +++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diffs (60 lines):

diff -r 8e3021d7b768 -r d22ae1d86fff sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_acpi.c
--- a/sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_acpi.c       Tue Dec 01 04:18:26 2020 +0000
+++ b/sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_acpi.c       Tue Dec 01 04:19:04 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vchiq_netbsd_acpi.c,v 1.2 2020/02/22 19:37:31 jmcneill Exp $ */
+/* $NetBSD: vchiq_netbsd_acpi.c,v 1.3 2020/12/01 04:19:04 rin Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vchiq_netbsd_acpi.c,v 1.2 2020/02/22 19:37:31 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vchiq_netbsd_acpi.c,v 1.3 2020/12/01 04:19:04 rin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -93,6 +93,11 @@
        sc->sc_iot = aa->aa_memt;
        asc->sc_handle = aa->aa_node->ad_handle;
 
+#if BYTE_ORDER == BIG_ENDIAN
+       aprint_error_dev(sc->sc_dev, "not supported yet in big-endian mode\n");
+       return;
+#endif
+
        rv = acpi_resource_parse(self, aa->aa_node->ad_handle, "_CRS",
            &res, &acpi_resource_parse_ops_default);
        if (ACPI_FAILURE(rv))
diff -r 8e3021d7b768 -r d22ae1d86fff sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_fdt.c
--- a/sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_fdt.c        Tue Dec 01 04:18:26 2020 +0000
+++ b/sys/external/bsd/vchiq/dist/interface/vchiq_arm/vchiq_netbsd_fdt.c        Tue Dec 01 04:19:04 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vchiq_netbsd_fdt.c,v 1.2 2020/12/01 03:28:08 rin Exp $ */
+/* $NetBSD: vchiq_netbsd_fdt.c,v 1.3 2020/12/01 04:19:04 rin Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vchiq_netbsd_fdt.c,v 1.2 2020/12/01 03:28:08 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vchiq_netbsd_fdt.c,v 1.3 2020/12/01 04:19:04 rin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -89,6 +89,11 @@
        sc->sc_iot = faa->faa_bst;
        fsc->sc_phandle = phandle;
 
+#if BYTE_ORDER == BIG_ENDIAN
+       aprint_error_dev(sc->sc_dev, "not supported yet in big-endian mode\n");
+       return;
+#endif
+
        bus_addr_t addr;
        bus_size_t size;