target: socfpga: Add Altera SoCFPGA support

[openwrt.git] / target / linux / socfpga / image / gen_socfpga_sdcard_img.sh

diff --git a/target/linux/socfpga/image/gen_socfpga_sdcard_img.sh b/target/linux/socfpga/image/gen_socfpga_sdcard_img.sh
new file mode 100755 (executable)
index 0000000..420e4b6
--- /dev/null
+++ b/target/linux/socfpga/image/gen_socfpga_sdcard_img.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+set -x 
+[ $# -eq 5 ] || {
+    echo "SYNTAX: $0 <file> <rootfs image> <rootfs size> <u-boot image> <cfg image>"
+    exit 1
+}
+
+OUTPUT="$1"
+ROOTFS="$2"
+ROOTFSSIZE="$3"
+UBOOT="$4"
+CFGFS="$5"
+
+head=4
+sect=63
+
+set `ptgen -o $OUTPUT -h $head -s $sect -l 1024        \
+       -t a2 -p 1M                             \
+       -t 83 -p ${ROOTFSSIZE}M                 \
+       -t 83 -p 1M`
+
+UBOOTOFFSET="$(($1 / 512))"
+UBOOTSIZE="$(($2 / 512))"
+ROOTFSOFFSET="$(($3 / 512))"
+ROOTFSSIZE="$(($4 / 512))"
+CFGFSOFFSET="$(($5 / 512))"
+CFGFSSIZE="$(($6 / 512))"
+
+dd bs=512 if="$UBOOT" of="$OUTPUT" seek="$UBOOTOFFSET" conv=notrunc
+dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
+
+mkdosfs "$CFGFS" -C 1024
+dd bs=512 if="$CFGFS" of="$OUTPUT" seek="$CFGFSOFFSET" conv=notrunc