diff --git a/util/crossgcc/Makefile b/util/crossgcc/Makefile
index a8ea815165..c4f4262e87 100644
--- a/util/crossgcc/Makefile
+++ b/util/crossgcc/Makefile
@@ -10,12 +10,12 @@ DEST ?= $(CURDIR)/xgcc
 all all_with_gdb:
 	$(MAKE) build-i386 build-x64 build-arm build-mips \
 		build-riscv build-aarch64 build-ppc64 build-nds32le \
-		build_clang build_iasl build_make
+		build_clang build_iasl build_make build_nasm
 
 all_without_gdb:
 	$(MAKE) SKIP_GDB=1 build-i386 build-x64 build-arm build-mips \
 		build-riscv build-aarch64 build-ppc64 build-nds32le \
-		build_clang build_iasl build_make
+		build_clang build_iasl build_make build_nasm
 
 build_tools: build_gcc build_gdb
 
@@ -43,12 +43,15 @@ endif
 build_make:
 	bash ./buildgcc -P make $(if $(CPUS),-j $(CPUS))  $(if $(KEEP_SOURCES),-t) $(BUILDGCC_OPTIONS) -d $(DEST)
 
+build_nasm:
+	bash ./buildgcc -P nasm $(if $(CPUS),-j $(CPUS))  $(if $(KEEP_SOURCES),-t) $(BUILDGCC_OPTIONS) -d $(DEST)
+
 ###########################################################
 build-i386:
-	@$(MAKE) build_tools BUILD_PLATFORM=i386-elf
+	@$(MAKE) build_tools build_nasm BUILD_PLATFORM=i386-elf
 
 build-x64:
-	@$(MAKE) build_tools BUILD_PLATFORM=x86_64-elf
+	@$(MAKE) build_tools build_nasm BUILD_PLATFORM=x86_64-elf
 
 build-arm:
 	@$(MAKE) build_tools BUILD_PLATFORM=arm-eabi
@@ -86,5 +89,6 @@ distclean: clean
 .PHONY: build_gcc build_iasl build_gdb build_clang all all_with_gdb \
 	all_without_gdb build_tools build-i386 build-x64 build-arm  \
 	build-aarch64 build-mips build-riscv build-ppc64 build-nds32le \
+	build-nasm \
 	clean distclean clean_tempfiles
 .NOTPARALLEL:
diff --git a/util/crossgcc/Makefile.inc b/util/crossgcc/Makefile.inc
index 8f8257c2f2..0ef6b9c1e3 100644
--- a/util/crossgcc/Makefile.inc
+++ b/util/crossgcc/Makefile.inc
@@ -23,6 +23,7 @@ help_toolchain help::
 	@echo  '  iasl            - Build coreboot IASL compiler (built by all cross targets)'
 	@echo  '  clang           - Build coreboot clang compiler'
 	@echo  '  gnumake         - Build coreboot make'
+	@echo  '  nasm            - Build coreboot nasm'
 	@echo  '  test-toolchain  - Reports if toolchain components are out of date'
 	@echo  '  crossgcc-ARCH   - Build cross-compiler for specific architecture'
 	@echo  '  crosstools-ARCH - Build cross-compiler with GDB for specific architecture'
@@ -41,7 +42,7 @@ crossgcc: clean-for-update
 	crossgcc-mips crossgcc-riscv crossgcc-power8 crossgcc-clean iasl \
 	clang crosstools-i386 crosstools-x64 crosstools-arm \
 	crosstools-aarch64 crosstools-mips crosstools-riscv crosstools-power8 \
-	jenkins-build-toolchain gnumake
+	jenkins-build-toolchain gnumake nasm
 
 $(foreach arch,$(TOOLCHAIN_ARCHES),crossgcc-$(arch)): clean-for-update
 	$(MAKE) -C util/crossgcc $(patsubst crossgcc-%,build-%,$@) build_iasl SKIP_GDB=1
@@ -58,6 +59,9 @@ clang: clean-for-update
 gnumake: clean-for-update
 	$(MAKE) -C util/crossgcc build_make
 
+nasm: clean-for-update
+	$(MAKE) -C util/crossgcc build_nasm
+
 $(foreach arch,$(TOOLCHAIN_ARCHES),crosstools-$(arch)): clean-for-update
 	$(MAKE) -C util/crossgcc $(patsubst crosstools-%,build-%,$@) build_iasl
 
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index cb9838f97a..c7f63c3bee 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -61,6 +61,7 @@ EXPAT_VERSION=2.2.7
 CLANG_VERSION=8.0.0
 MAKE_VERSION=4.2.1
 CMAKE_VERSION=3.15.0
+NASM_VERSION=2.14.02
 
 # GCC toolchain archive locations
 # These are sanitized by the jenkins toolchain test builder, so if
@@ -82,11 +83,13 @@ CRT_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/compiler-rt-${CLANG_VERS
 CTE_ARCHIVE="https://releases.llvm.org/${CLANG_VERSION}/clang-tools-extra-${CLANG_VERSION}.src.tar.xz"
 MAKE_ARCHIVE="https://ftpmirror.gnu.org/make/make-${MAKE_VERSION}.tar.bz2"
 CMAKE_ARCHIVE="https://cmake.org/files/v3.15/cmake-${CMAKE_VERSION}.tar.gz"
+NASM_ARCHIVE="https://www.nasm.us/pub/nasm/releasebuilds/${NASM_VERSION}/nasm-${NASM_VERSION}.tar.bz2"
 
 ALL_ARCHIVES="$GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE \
 	$GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE $IASL_ARCHIVE \
 	$PYTHON_ARCHIVE $EXPAT_ARCHIVE $LLVM_ARCHIVE $CFE_ARCHIVE \
-	$CRT_ARCHIVE $CTE_ARCHIVE $MAKE_ARCHIVE $CMAKE_ARCHIVE"
+	$CRT_ARCHIVE $CTE_ARCHIVE $MAKE_ARCHIVE $CMAKE_ARCHIVE \
+	$NASM_ARCHIVE"
 
 # GCC toolchain directories
 GMP_DIR="gmp-${GMP_VERSION}"
@@ -107,6 +110,7 @@ CRT_DIR="compiler-rt-${CLANG_VERSION}.src"
 CTE_DIR="clang-tools-extra-${CLANG_VERSION}.src"
 MAKE_DIR="make-${MAKE_VERSION}"
 CMAKE_DIR="cmake-${CMAKE_VERSION}"
+NASM_DIR="nasm-${NASM_VERSION}"
 
 unset MAKELEVEL MAKEFLAGS
 
@@ -910,6 +914,17 @@ build_CMAKE() {
 	normalize_dirs
 }
 
+build_NASM() {
+	CC="$(hostcc host)" CXX="$(hostcxx host)" CFLAGS="$HOSTCFLAGS"
+	../${NASM_DIR}/configure --prefix="$TARGETDIR" \
+		|| touch .failed
+	# shellcheck disable=SC2086
+	$MAKE $JOBS || touch .failed
+	$MAKE install DESTDIR=$DESTDIR || touch .failed
+
+	normalize_dirs
+}
+
 print_supported() {
 	case "$PRINTSUPPORTED" in
 		AUTOCONF|autoconf)  printf "%s\n" "$GCC_AUTOCONF_VERSION";;
@@ -924,6 +939,7 @@ print_supported() {
 		MPFR|mpfr)  printf "%s\n" "$MPFR_VERSION";;
 		PYTHON|python)  printf "%s\n" "$PYTHON_VERSION";;
 		MAKE|make)  printf "%s\n" "$MAKE_VERSION";;
+		NASM|nasm) printf "%s\n" "${NASM_VERSION}";;
 		*) printf "Unknown tool %s\n" "$PRINTSUPPORTED";;
 	esac
 }
@@ -1044,8 +1060,12 @@ case "$PACKAGE" in
 		NAME="CMake"
 		PACKAGES=CMAKE
 		;;
+	NASM|nasm)
+		NAME="NASM"
+		PACKAGES=NASM
+		;;
 	*)
-		printf "${red}ERROR: Unsupported package $PACKAGE. (Supported packages are GCC, GDB, CLANG, IASL, MAKE)${NC}\n\n";
+		printf "${red}ERROR: Unsupported package $PACKAGE. (Supported packages are GCC, GDB, CLANG, IASL, MAKE, and NASM)${NC}\n\n";
 		exit 1
 		;;
 esac
diff --git a/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum b/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum
new file mode 100644
index 0000000000..f3b9de9d29
--- /dev/null
+++ b/util/crossgcc/sum/nasm-2.14.02.tar.bz2.cksum
@@ -0,0 +1 @@
+fe098ee4dc9c4c983696c4948e64b23e4098b92b  tarballs/nasm-2.14.02.tar.bz2