From fe01f41d57b79d9ca94604503a25e55175744d42 Mon Sep 17 00:00:00 2001
From: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Date: Wed, 16 Jun 2021 16:39:06 +0100
Subject: [PATCH] riscv: sifive: Set default fdtfile names

Set default fdtfile names for unleashed and unmatched boards, as used
in the upstream Linux kernel. This allows sysboot command to find and
load appropriate dtb for the matching kernel from universal stock
Ubuntu RISC-V rootfs images based on fdtdir setting in extlinux.conf.

Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
cc: Paul Walmsley <paul.walmsley@sifive.com>
cc: Palmer Dabbelt <palmer@dabbelt.com>
cc: Anup Patel <anup.patel@wdc.com>
cc: Atish Patra <atish.patra@wdc.com>
cc: Pragnesh Patel <pragnesh.patel@sifive.com>
cc: Green Wan <green.wan@sifive.com>
---
 configs/sifive_unleashed_defconfig | 1 +
 configs/sifive_unmatched_defconfig | 1 +
 include/configs/sifive-unleashed.h | 1 +
 include/configs/sifive-unmatched.h | 1 +
 4 files changed, 4 insertions(+)

diff --git a/configs/sifive_unleashed_defconfig b/configs/sifive_unleashed_defconfig
index 5bf40cee08..d665c8f5d9 100644
--- a/configs/sifive_unleashed_defconfig
+++ b/configs/sifive_unleashed_defconfig
@@ -14,6 +14,7 @@ CONFIG_RISCV_SMODE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x84000000
+CONFIG_DEFAULT_FDT_FILE="sifive/hifive-unleashed-a00.dtb"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_MISC_INIT_R=y
diff --git a/configs/sifive_unmatched_defconfig b/configs/sifive_unmatched_defconfig
index 4c26504867..44edfd2974 100644
--- a/configs/sifive_unmatched_defconfig
+++ b/configs/sifive_unmatched_defconfig
@@ -14,6 +14,7 @@ CONFIG_RISCV_SMODE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x84000000
+CONFIG_DEFAULT_FDT_FILE="sifive/hifive-unmatched-a00.dtb"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_DISPLAY_BOARDINFO_LATE=y
diff --git a/include/configs/sifive-unleashed.h b/include/configs/sifive-unleashed.h
index 0d69d1c548..b6c29f8c60 100644
--- a/include/configs/sifive-unleashed.h
+++ b/include/configs/sifive-unleashed.h
@@ -75,6 +75,7 @@
 	"type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \
 	"type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \
 	"partitions=" PARTS_DEFAULT "\0" \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	BOOTENV \
 	BOOTENV_SF
 
diff --git a/include/configs/sifive-unmatched.h b/include/configs/sifive-unmatched.h
index 4fad69bb19..80cfd41ceb 100644
--- a/include/configs/sifive-unmatched.h
+++ b/include/configs/sifive-unmatched.h
@@ -73,6 +73,7 @@
 	"type_guid_gpt_loader2=" TYPE_GUID_LOADER2 "\0" \
 	"type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \
 	"partitions=" PARTS_DEFAULT "\0" \
+	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	BOOTENV
 
 #define CONFIG_PREBOOT \
-- 
2.39.5