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-rwxr-xr-xcros/build82
1 files changed, 82 insertions, 0 deletions
diff --git a/cros/build b/cros/build
new file mode 100755
index 0000000000..13f7d925c9
--- /dev/null
+++ b/cros/build
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+SCRIPT="$0"
+SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+
+OUTPUT="build/coreboot.rom"
+TMP_DIFF="$SCRIPT_DIR/.image-diff.bin"
+FLASHROM="/usr/local/sbin/flashrom"
+
+BL1_NAME="E5250.nbl1.bin"
+BL1_PATH="3rdparty/cpu/samsung/exynos5250/"
+BL1_URL="http://commondatastorage.googleapis.com/chromeos-localmirror/distfiles/exynos-pre-boot-0.0.2-r8.tbz2"
+
+die() {
+ echo "$*" >&2
+ exit 1
+}
+
+create_diff_128k() {
+ local image_file="$1"
+ local diff_file="$2"
+ cp -f "$image_file" "$diff_file"
+ dd if=/dev/zero of=$diff_file bs=1 count=$((128*1024)) conv=notrunc
+}
+
+fast_flash_image() {
+ local image_file="$1"
+ local diff_file="$2"
+ dut-control spi2_buf_en:on spi2_buf_on_flex_en:on spi2_vref:pp1800
+ sudo ${FLASHROM} -p ft2232_spi:type=servo-v2,port=a -w "$image_file" -V \
+ --noverify --ignore-fmap --diff "$diff_file"
+ dut-control spi2_buf_en:off spi2_buf_on_flex_en:off spi2_vref:off
+}
+
+get_bl1() {
+ wget "${BL1_URL}" -O /tmp/bl1.tbz2
+ tar jxvf /tmp/bl1.tbz2
+ mkdir -p "${BL1_PATH}"
+ mv "exynos-pre-boot/firmware/${BL1_NAME}" "${BL1_PATH}"
+ rm -rf exynos-pre-boot
+ if [ ! -e "${BL1_PATH}/${BL1_NAME}" ]; then
+ echo "Error getting BL1"
+ exit 1
+ fi
+}
+
+merge_bl1() {
+ local outfile="$1"
+ local bl1="${BL1_PATH}/${BL1_NAME}"
+
+ if [ ! -e "$bl1" ]; then
+ get_bl1
+ fi
+
+ # use the new BL1 which supports 30KB BL2/SPL/Coreboot
+ local size="$(stat -c "%s" "$outfile")"
+ local bl1_size="$(stat -c "%s" "$bl1")"
+
+ [ "$bl1_size" = "$((0x2000))" ] || die "Incorrect BL1 input file."
+ dd if="$bl1" of=${outfile} conv=notrunc
+}
+
+is_servod_ready() {
+ ps -C servod >/dev/null 2>&1
+}
+
+main() {
+ make
+ merge_bl1 "$OUTPUT"
+ create_diff_128k "$OUTPUT" "$TMP_DIFF"
+ echo "OK: Generated image (with BL1) in $OUTPUT"
+ if is_servod_ready; then
+ echo "servod detected - flashing into device."
+ fast_flash_image "$OUTPUT" "$TMP_DIFF"
+ echo "OK: Generated and flashed 128k of image into device via servo."
+ else
+ echo "(servod is not running, flashing into device is skipped)"
+ fi
+}
+
+set -e
+main "$@"