Merge https://source.denx.de/u-boot/custodians/u-boot-riscv

arch/riscv/cpu/fu740/spl.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (C) 2020-201 SiFive, Inc
+ * Copyright (C) 2020-2021 SiFive, Inc
  * Pragnesh Patel <pragnesh.patel@sifive.com>
  */
 

board/sifive/unleashed/Makefile

@@ -2,8 +2,8 @@
 #
 # Copyright (c) 2019 Western Digital Corporation or its affiliates.
 
-obj-y	+= unleashed.o
-
 ifdef CONFIG_SPL_BUILD
 obj-y += spl.o
+else
+obj-y += unleashed.o
 endif

board/sifive/unleashed/unleashed.c

@@ -16,6 +16,7 @@
 #include <misc.h>
 #include <spl.h>
 #include <asm/arch/cache.h>
+#include <asm/sections.h>
 
 /*
  * This define is a value used for error/unknown serial.
@@ -113,6 +114,16 @@ int misc_init_r(void)
 
 #endif
 
+void *board_fdt_blob_setup(void)
+{
+	if (IS_ENABLED(CONFIG_OF_SEPARATE)) {
+		if (gd->arch.firmware_fdt_addr)
+			return (ulong *)gd->arch.firmware_fdt_addr;
+		else
+			return (ulong *)&_end;
+	}
+}
+
 int board_init(void)
 {
 	int ret;

board/sifive/unmatched/Makefile

@@ -2,9 +2,10 @@
 #
 # Copyright (c) 2020-2021 SiFive, Inc
 
-obj-y   += unmatched.o
 obj-$(CONFIG_ID_EEPROM) += hifive-platform-i2c-eeprom.o
 
 ifdef CONFIG_SPL_BUILD
 obj-y += spl.o
+else
+obj-y += unmatched.o
 endif

board/sifive/unmatched/unmatched.c

@@ -9,6 +9,17 @@
 #include <common.h>
 #include <dm.h>
 #include <asm/arch/cache.h>
+#include <asm/sections.h>
+
+void *board_fdt_blob_setup(void)
+{
+	if (IS_ENABLED(CONFIG_OF_SEPARATE)) {
+		if (gd->arch.firmware_fdt_addr)
+			return (ulong *)gd->arch.firmware_fdt_addr;
+		else
+			return (ulong *)&_end;
+	}
+}
 
 int board_init(void)
 {

configs/qemu-riscv64_smode_defconfig

@@ -6,6 +6,8 @@ CONFIG_ARCH_RV64I=y
 CONFIG_RISCV_SMODE=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_FIT=y
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="setenv fdt_addr ${fdtcontroladdr}; fdt addr ${fdtcontroladdr};"
 CONFIG_DISPLAY_CPUINFO=y
 CONFIG_DISPLAY_BOARDINFO=y
 CONFIG_CMD_BOOTEFI_SELFTEST=y