Index: sysutils/opensbi/Makefile
===================================================================
--- sysutils/opensbi/Makefile
+++ sysutils/opensbi/Makefile
@@ -2,7 +2,7 @@
 
 PORTNAME=	opensbi
 DISTVERSIONPREFIX=v
-DISTVERSION=	0.8
+DISTVERSION=	0.9
 CATEGORIES=	sysutils
 
 MAINTAINER=	mhorne@FreeBSD.org
Index: sysutils/opensbi/distinfo
===================================================================
--- sysutils/opensbi/distinfo
+++ sysutils/opensbi/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1592679770
-SHA256 (riscv-opensbi-v0.8_GH0.tar.gz) = 17e048ac765e92e15f7436b604452614cf88dc2bcbbaab18cdc024f3fdd4c575
-SIZE (riscv-opensbi-v0.8_GH0.tar.gz) = 172450
+TIMESTAMP = 1610993580
+SHA256 (riscv-opensbi-v0.9_GH0.tar.gz) = 60f995cb3cd03e3cf5e649194d3395d0fe67499fd960a36cf7058a4efde686f0
+SIZE (riscv-opensbi-v0.9_GH0.tar.gz) = 189688
Index: sysutils/opensbi/files/patch-Makefile
===================================================================
--- sysutils/opensbi/files/patch-Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
---- Makefile.orig	2019-10-09 02:45:51 UTC
-+++ Makefile
-@@ -180,7 +180,7 @@ ASFLAGS		+=	$(firmware-asflags-y)
- 
- ARFLAGS		=	rcs
- 
--ELFFLAGS	+=	-Wl,--build-id=none -N -static-libgcc -lgcc
-+ELFFLAGS	+=	-Wl,--build-id=none -N -static-libgcc
- ELFFLAGS	+=	$(platform-ldflags-y)
- ELFFLAGS	+=	$(firmware-ldflags-y)
- 
Index: sysutils/opensbi/files/patch-lib_sbi_sbi__hart.c
===================================================================
--- /dev/null
+++ sysutils/opensbi/files/patch-lib_sbi_sbi__hart.c
@@ -0,0 +1,19 @@
+--- lib/sbi/sbi_hart.c.orig	2021-01-30 20:30:32 UTC
++++ lib/sbi/sbi_hart.c
+@@ -188,6 +188,16 @@ int sbi_hart_pmp_configure(struct sbi_scratch *scratch
+ 	if (!pmp_count)
+ 		return 0;
+ 
++	/*
++	 * Disable the PMP for the sifive/fu540 platform, required to work
++	 * around a hardware errata.
++	 */
++	extern int need_pmp_war;
++	if (need_pmp_war) {
++		pmp_set(0, PMP_R | PMP_W | PMP_X, -1, __riscv_xlen);
++		return 0;
++	}
++
+ 	pmp_gran_log2 = log2roundup(sbi_hart_pmp_granularity(scratch));
+ 	pmp_bits = sbi_hart_pmp_addrbits(scratch) - 1;
+ 	pmp_addr_max = (1UL << pmp_bits) | ((1UL << pmp_bits) - 1);
Index: sysutils/opensbi/files/patch-platform_generic_platform.c
===================================================================
--- /dev/null
+++ sysutils/opensbi/files/patch-platform_generic_platform.c
@@ -0,0 +1,11 @@
+--- platform/generic/platform.c.orig	2021-01-30 20:29:48 UTC
++++ platform/generic/platform.c
+@@ -22,6 +22,8 @@
+ #include <sbi_utils/ipi/fdt_ipi.h>
+ #include <sbi_utils/reset/fdt_reset.h>
+ 
++int need_pmp_war = FALSE;
++
+ extern const struct platform_override sifive_fu540;
+ 
+ static const struct platform_override *special_platforms[] = {
Index: sysutils/opensbi/files/patch-platform_sifive_fu540_platform.c
===================================================================
--- /dev/null
+++ sysutils/opensbi/files/patch-platform_sifive_fu540_platform.c
@@ -0,0 +1,10 @@
+--- platform/sifive/fu540/platform.c.orig	2021-01-30 20:28:07 UTC
++++ platform/sifive/fu540/platform.c
+@@ -20,6 +20,7 @@
+ #include <sbi_utils/sys/clint.h>
+ 
+ /* clang-format off */
++int need_pmp_war = TRUE;
+ 
+ #define FU540_HART_COUNT			5
+ 
Index: sysutils/opensbi/pkg-plist
===================================================================
--- sysutils/opensbi/pkg-plist
+++ sysutils/opensbi/pkg-plist
@@ -11,6 +11,7 @@
 include/sbi/sbi_console.h
 include/sbi/sbi_const.h
 include/sbi/sbi_csr_detect.h
+include/sbi/sbi_domain.h
 include/sbi/sbi_ecall.h
 include/sbi/sbi_ecall_interface.h
 include/sbi/sbi_emulate_csr.h
@@ -36,6 +37,7 @@
 include/sbi/sbi_types.h
 include/sbi/sbi_unpriv.h
 include/sbi/sbi_version.h
+include/sbi_utils/fdt/fdt_domain.h
 include/sbi_utils/fdt/fdt_fixup.h
 include/sbi_utils/fdt/fdt_helper.h
 include/sbi_utils/ipi/fdt_ipi.h
Index: sysutils/u-boot-sifive-fu540/Makefile
===================================================================
--- sysutils/u-boot-sifive-fu540/Makefile
+++ sysutils/u-boot-sifive-fu540/Makefile
@@ -2,6 +2,8 @@
 
 MASTERDIR=	${.CURDIR}/../u-boot-master
 
+U_BOOT_SLAVE_PORTREVISION_2020.10=	1
+
 MODEL=		sifive-fu540
 BOARD_CONFIG=	sifive_fu540_defconfig
 FAMILY=		sifive