arm: xenguest_arm64: Add a empty devicetree file

Add an empty version of this file, so that we can at least build this
board when devicetrees are required.

The real devicetree is created by the Xen project on-the-fly.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d53bae2..f634598 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1140,6 +1140,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
        mt8516-pumpkin.dtb \
        mt8518-ap1-emmc.dtb
 
+dtb-$(CONFIG_XEN) += xenguest-arm64.dtb
+
 dtb-$(CONFIG_TARGET_GE_BX50V3) += \
        imx6q-bx50v3.dtb \
        imx6q-b850v3.dtb \

diff --git a/arch/arm/dts/xenguest-arm64.dts b/arch/arm/dts/xenguest-arm64.dts
new file mode 100644 (file)
index 0000000..d873443
--- /dev/null
+++ b/arch/arm/dts/xenguest-arm64.dts
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Empty devicetree file for xenguest_arm64
+ *
+ * This is required to make the board build with CONFIG OF_SEPARATE
+ * Build instructions at xenguest_arm64.rst are inadequate for obtaining a real
+ * devicetree.
+ *
+ * Copyright 2021 Google LLC
+ */
+
+/dts-v1/;
+
+/ {
+};

diff --git a/configs/xenguest_arm64_defconfig b/configs/xenguest_arm64_defconfig
index 8d9d913..edce343 100644 (file)
--- a/configs/xenguest_arm64_defconfig
+++ b/configs/xenguest_arm64_defconfig
@@ -3,7 +3,7 @@ CONFIG_POSITION_INDEPENDENT=y
 CONFIG_TARGET_XENGUEST_ARM64=y
 CONFIG_SYS_TEXT_BASE=0x40080000
 CONFIG_SYS_MALLOC_LEN=0x2000000
-CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="xenguest-arm64"
 CONFIG_IDENT_STRING=" xenguest"
 CONFIG_SYS_LOAD_ADDR=0x40000000
 CONFIG_BOOTDELAY=10