Radix cross Linux 3pp sources

diff --git a/U-Boot/ATF/Makefile b/U-Boot/ATF/Makefile
new file mode 100644
index 0000000..b231bb7
--- /dev/null
+++ b/U-Boot/ATF/Makefile
@@ -0,0 +1,70 @@
+#
+# Project Home:
+# ============
+# https://developer.trustedfirmware.org/dashboard/view/6/
+#
+# Clone:
+# =====
+#   git clone https://github.com/ARM-software/arm-trusted-firmware.git
+#
+
+url        = https://github.com/ARM-software
+
+repo_name  = arm-trusted-firmware
+pkg_name   = arm-trusted-firmware
+suffix     = tar.xz
+
+#
+# List of tags to be extracted:
+# ============================
+#
+#                                               hash | version
+#            ----------------------------------------+--------
+revisions  = c158878249f1bd930906ebd744b90d3f2a8265f1:2.5
+revisions += a5394205e94b70faf7ddd34841528ec631711d1a:2.5.1
+revisions += 35f4c7295bafeb32c8bcbdfb6a3f2e74a57e732b:2.7.0
+
+
+git_repo   = .git_clone
+versions   = $(foreach tag, $(revisions), $(shell echo $(tag) | cut -f 2 -d ':'))
+tarballs   = $(addsuffix .tar.xz, $(addprefix $(pkg_name)-, $(versions)))
+sha1s      = $(addsuffix .sha1sum, $(tarballs))
+
+TARGETS = repository_clean
+
+
+all: $(TARGETS)
+
+.PHONY: downloads_clean repository_clean
+
+$(git_repo):
+	@echo -e "\n======= Clone $(repo_name).git repository =======\n"
+	@rm -rf $(repo_name)
+	@git clone $(url)/$(repo_name).git $(repo_name)
+	@touch $@
+
+$(tarballs): $(git_repo)
+	@for revision in $(revisions) ; do \
+	  version=`echo $$revision | cut -f 2 -d ':'` ; \
+	  hash=`echo $$revision | cut -f 1 -d ':'`    ; \
+	  if [ ! -f $(repo_name)-$$version.$(suffix) ]; then \
+	    echo -e "\n======= Creating '$(repo_name)-$$version.$(suffix)' snapshot =======" ; \
+	    ( cd $(repo_name) && \
+	      git archive --format=tar --prefix=$(pkg_name)-$$version/ $$hash | \
+	      xz >../$(pkg_name)-$$version.$(suffix) ) ; \
+	  fi ; \
+	done
+
+$(sha1s): %.tar.xz.sha1sum : %.tar.xz
+	@for tarball in $< ; do \
+	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======" ; \
+	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
+	done
+
+repository_clean: $(sha1s)
+	@echo -e "\n======= Remove cloned $(repo_name).git repository =======\n"
+	@rm -rf $(git_repo) $(repo_name)
+
+downloads_clean:
+	@rm -rf $(tarballs) $(sha1s)
+	@rm -rf $(git_repo) $(repo_name)
diff --git a/U-Boot/Makefile b/U-Boot/Makefile
new file mode 100644
index 0000000..56404c0
--- /dev/null
+++ b/U-Boot/Makefile
@@ -0,0 +1,25 @@
+
+#
+# Following command helps to cheate SUBDIRS list:
+# $ tree -fid .
+#
+
+SUBDIRS := ATF         \
+           denx
+
+
+all-recursive downloads_clean-recursive:
+	@set fnord $(MAKEFLAGS); amf=$$2; \
+	target=`echo $@ | sed s/-recursive//`; \
+	list='$(SUBDIRS)'; for subdir in $$list; do \
+	  echo "Making $$target in $$subdir"; \
+	  local_target="$$target"; \
+	  (cd $$subdir && $(MAKE) $$fnord $$local_target) \
+	   || case "$$amf" in *=*) exit 1;; *k*) fail=yes;; *) exit 1;; esac; \
+	done; test -z "$$fail"
+
+all: all-recursive
+
+downloads_clean: downloads_clean-recursive
+
+.PHONY: all-recursive downloads_clean-recursive all downloads_clean
diff --git a/U-Boot/denx/Makefile b/U-Boot/denx/Makefile
new file mode 100644
index 0000000..e121f57
--- /dev/null
+++ b/U-Boot/denx/Makefile
@@ -0,0 +1,42 @@
+#
+# Project Home:
+# ============
+# https://www.denx.de/wiki/U-Boot/
+#
+# FTP snapshots:
+# =============
+# ftp://ftp.denx.de/pub/u-boot/
+#
+# HTTP snapshots:
+# ==============
+# https://ftp.denx.de/pub/u-boot/
+#
+
+url         = https://ftp.denx.de/pub/u-boot
+
+versions    = 2013.10 2014.01 2014.07 2014.10 2015.01 2015.04 2015.07 2016.01
+versions   += 2017.09 2017.11 2018.11 2019.10 2020.10 2021.04 2022.10 2023.04
+
+suffix      = tar.bz2
+
+tarballs    = $(addsuffix .$(suffix), $(addprefix u-boot-, $(versions)))
+sha1s       = $(addsuffix .sha1sum, $(tarballs))
+
+all: $(tarballs) $(sha1s)
+
+.PHONY: downloads_clean
+
+$(tarballs):
+	@echo -e "\n======= Downloading source tarballs =======\n"
+	@for tarball in $(tarballs) ; do \
+	  wget -N $(url)/$$tarball ; \
+	done
+
+$(sha1s): %.$(suffix).sha1sum : %.$(suffix)
+	@for tarball in $< ; do \
+	  echo -e "\n======= Calculation the '$$tarball' sha1sum =======\n" ; \
+	  sha1sum --binary $$tarball > $$tarball.sha1sum ; \
+	done
+
+downloads_clean:
+	@rm -rf $(tarballs) $(sha1s)