arm: bcm7xxx: Add a devicetree file

Add an empty devicetree file for these boards. It seems to be possible to
obtain a real one from another bootloader called 'bolt' but I will leave
this to the maintainer.

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

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b07a1b3..8bb15b9 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1092,6 +1092,8 @@ dtb-$(CONFIG_ARCH_BCM6858) += \
 
 dtb-$(CONFIG_TARGET_BCMNS3) += ns3-board.dtb
 
+dtb-$(CONFIG_ARCH_BCMSTB) += bcm7xxx.dtb
+
 dtb-$(CONFIG_ASPEED_AST2500) += ast2500-evb.dtb
 dtb-$(CONFIG_ASPEED_AST2600) += ast2600-evb.dtb
 

diff --git a/arch/arm/dts/bcm7xxx.dts b/arch/arm/dts/bcm7xxx.dts
new file mode 100644 (file)
index 0000000..786ce3f
--- /dev/null
+++ b/arch/arm/dts/bcm7xxx.dts
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Empty devicetre file for bcm7260 board
+ *
+ * This is required to make the board build with CONFIG OF_SEPARATE
+ * In-tree document explains how to obtain a real devicetree using 'bolt' but
+ * I did not attempt this.
+ *
+ * Copyright 2021 Google LLC
+ */
+
+/dts-v1/;
+
+/ {
+};

diff --git a/configs/bcm7260_defconfig b/configs/bcm7260_defconfig
index 257d810..2b527b6 100644 (file)
--- a/configs/bcm7260_defconfig
+++ b/configs/bcm7260_defconfig
@@ -7,6 +7,7 @@ CONFIG_TARGET_BCM7260=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x814800
+CONFIG_DEFAULT_DEVICE_TREE="bcm7xxx"
 CONFIG_ENV_OFFSET_REDUND=0x824800
 CONFIG_SYS_LOAD_ADDR=0x02000000
 CONFIG_FIT=y

diff --git a/configs/bcm7445_defconfig b/configs/bcm7445_defconfig
index 9ffa436..3ae678b 100644 (file)
--- a/configs/bcm7445_defconfig
+++ b/configs/bcm7445_defconfig
@@ -8,6 +8,7 @@ CONFIG_NR_DRAM_BANKS=3
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x1E0000
 CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_DEFAULT_DEVICE_TREE="bcm7xxx"
 CONFIG_ENV_OFFSET_REDUND=0x1F0000
 CONFIG_SYS_LOAD_ADDR=0x02000000
 CONFIG_FIT=y