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[v7,12/31] arm: bcm7xxx: Add a devicetree file

Message ID 20211207001209.3467163-13-sjg@chromium.org
State Changes Requested
Delegated to: Tom Rini
Headers show
Series fdt: Make OF_BOARD a boolean option | expand

Commit Message

Simon Glass Dec. 7, 2021, 12:11 a.m. UTC 
Add a dummy 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>
---

(no changes since v1)

 arch/arm/dts/Makefile     |  2 ++
 arch/arm/dts/bcm7xxx.dts  | 15 +++++++++++++++
 configs/bcm7260_defconfig |  1 +
 configs/bcm7445_defconfig |  1 +
 4 files changed, 19 insertions(+)
 create mode 100644 arch/arm/dts/bcm7xxx.dts
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Patch

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b07a1b3378e..8bb15b96cc7 100644
--- 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
index 00000000000..786ce3ff959
--- /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 257d81052a8..2b527b65770 100644
--- 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 9ffa436e454..3ae678ba56e 100644
--- 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