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#!/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" "$TMP_DIFF"
echo "OK: Generated and flashed 128k of image into device via servo."
else
echo "(servod is not running, flashing into device is skipped)"
fi
}
set -e
main "$@"
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