arm: qemu: Add a devicetree file for qemu_arm64 virt

This uses QEMU virt which creates its own devicetree.

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

Tested-by: Heinrich Schuchardt <heinrich.schuchardt@canaonical.com>
Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index eaad3b6..2d92b2f 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1162,7 +1162,7 @@ dtb-$(CONFIG_TARGET_IMX8MM_CL_IOT_GATE_OPTEE) += imx8mm-cl-iot-gate-optee.dtb
 
 dtb-$(CONFIG_TARGET_EA_LPC3250DEVKITV2) += lpc3250-ea3250.dtb
 
-dtb-$(CONFIG_ARCH_QEMU) += qemu-arm.dtb
+dtb-$(CONFIG_ARCH_QEMU) += qemu-arm.dtb qemu-arm64.dtb
 
 targets += $(dtb-y)
 

diff --git a/arch/arm/dts/qemu-arm64.dts b/arch/arm/dts/qemu-arm64.dts
new file mode 100644 (file)
index 0000000..096b391
--- /dev/null
+++ b/arch/arm/dts/qemu-arm64.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Empty device tree for qemu_arm64
+
+ * Copyright 2021 Google LLC
+ */
+
+/dts-v1/;
+
+/ {
+};

diff --git a/configs/qemu_arm64_defconfig b/configs/qemu_arm64_defconfig
index 0ac3b47..7d03eb7 100644 (file)
--- a/configs/qemu_arm64_defconfig
+++ b/configs/qemu_arm64_defconfig
@@ -5,6 +5,7 @@ CONFIG_SYS_MALLOC_LEN=0x1000000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x40000
 CONFIG_ENV_SECT_SIZE=0x40000
+CONFIG_DEFAULT_DEVICE_TREE="qemu-arm64"
 CONFIG_DEBUG_UART_BASE=0x9000000
 CONFIG_DEBUG_UART_CLOCK=0
 CONFIG_DEBUG_UART=y