ar100: Convert to or1k-elf toolchain

The more.musl.cc site is blocking downloads from all github actions,
which makes it difficult to use that site for the ar100 cross build
toolchain.  Convert to the openrisc or1k-elf toolchain as a
replacement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

scripts/ci-build.sh

@@ -8,7 +8,7 @@ set -eu
 MAIN_DIR=${PWD}
 BUILD_DIR=${PWD}/ci_build
 export PATH=${BUILD_DIR}/pru-elf/bin:${PATH}
-export PATH=${BUILD_DIR}/or1k-linux-musl-cross/bin:${PATH}
+export PATH=${BUILD_DIR}/or1k-elf/bin:${PATH}
 PYTHON=${BUILD_DIR}/python-env/bin/python
 PYTHON2=${BUILD_DIR}/python2-env/bin/python
 

scripts/ci-install.sh

@@ -39,20 +39,18 @@ tar xJf ${CACHE_DIR}/${PRU_ARCHIVE}
 
 
 ######################################################################
-# Install or1k-linux-musl toolchain
+# Install or1k toolchain
 ######################################################################
 
-echo -e "\n\n=============== Install or1k-linux-musl toolchain\n\n"
-TOOLCHAIN=or1k-linux-musl-cross
-TOOLCHAIN_ZIP=${TOOLCHAIN}.tgz
-GCC_VERSION=10
-TOOLCHAIN_ZIP_V=${TOOLCHAIN}-${GCC_VERSION}.tgz
-URL=https://more.musl.cc/${GCC_VERSION}/x86_64-linux-musl/
-if [ ! -f ${CACHE_DIR}/${TOOLCHAIN_ZIP_V} ]; then
-    wget "${URL}/${TOOLCHAIN_ZIP}" -O "${CACHE_DIR}/${TOOLCHAIN_ZIP_V}"
+echo -e "\n\n=============== Install or1k toolchain\n\n"
+OR1K_ARCHIVE="or1k-elf-12.0.1-20220210-20220304.tar.xz"
+OR1K_REL="or1k-12.0.1-20220210-20220304"
+OR1K_URL="https://github.com/openrisc/or1k-gcc/releases/download/${OR1K_REL}/${OR1K_ARCHIVE}"
+if [ ! -f ${CACHE_DIR}/${OR1K_ARCHIVE} ]; then
+    wget "${OR1K_URL}" -O "${CACHE_DIR}/${OR1K_ARCHIVE}"
 fi
 cd ${BUILD_DIR}
-tar xf ${CACHE_DIR}/${TOOLCHAIN_ZIP_V}
+tar xJf ${CACHE_DIR}/${OR1K_ARCHIVE}
 
 
 ######################################################################

src/ar100/Makefile

@@ -1,4 +1,4 @@
-CROSS_PREFIX=or1k-linux-musl-
+CROSS_PREFIX=or1k-elf-
 dirs-y += src/generic src/ar100 lib/ar100
 
 CFLAGS		+= -O3