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-rwxr-xr-xload_nandsim.sh52
1 files changed, 26 insertions, 26 deletions
diff --git a/load_nandsim.sh b/load_nandsim.sh
index 1df3813..4c3bb06 100755
--- a/load_nandsim.sh
+++ b/load_nandsim.sh
@@ -66,53 +66,53 @@ if [ "$#" -lt "1" ]; then
exit 1
fi
-SZ="$1"
-EBSZ="$2"
-PGSZ="$3"
+size="$1"
+eb_size="$2"
+page_size="$3"
if [ "$#" = "1" ]; then
- EBSZ="16"
- PGSZ="512"
+ eb_size="16"
+ page_size="512"
elif [ "$#" = "2" ]; then
- PGSZ="512"
+ page_size="512"
fi
-if [ "$PGSZ" -eq 512 ] && [ "$EBSZ" -ne "16" ]; then
+if [ "$page_size" -eq 512 ] && [ "$eb_size" -ne "16" ]; then
fatal "only 16KiB eraseblocks are possible in case of 512 bytes page"
fi
-if [ "$PGSZ" -eq "512" ]; then
- case "$SZ" in
+if [ "$page_size" -eq "512" ]; then
+ case "$size" in
16) modprobe nandsim first_id_byte=0x20 second_id_byte=0x33 ;;
32) modprobe nandsim first_id_byte=0x20 second_id_byte=0x35 ;;
64) modprobe nandsim first_id_byte=0x20 second_id_byte=0x36 ;;
128) modprobe nandsim first_id_byte=0x20 second_id_byte=0x78 ;;
256) modprobe nandsim first_id_byte=0x20 second_id_byte=0x71 ;;
- *) fatal "flash size ${SZ}MiB is not supported, try 16, 32, 64 or 256"
+ *) fatal "flash size ${size}MiB is not supported, try 16, 32, 64 or 256"
esac
-elif [ "$PGSZ" -eq "2048" ]; then
- case "$EBSZ" in
- 64) FOURTH="0x05" ;;
- 128) FOURTH="0x15" ;;
- 256) FOURTH="0x25" ;;
- 512) FOURTH="0x35" ;;
- *) fatal "eraseblock ${EBSZ}KiB is not supported"
+elif [ "$page_size" -eq "2048" ]; then
+ case "$eb_size" in
+ 64) fourh_bite="0x05" ;;
+ 128) fourh_bite="0x15" ;;
+ 256) fourh_bite="0x25" ;;
+ 512) fourh_bite="0x35" ;;
+ *) fatal "eraseblock ${eb_size}KiB is not supported"
esac
- case "$SZ" in
- 64) modprobe nandsim first_id_byte=0x20 second_id_byte=0xa2 third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
- 128) modprobe nandsim first_id_byte=0xec second_id_byte=0xa1 third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
- 256) modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
- 512) modprobe nandsim first_id_byte=0x20 second_id_byte=0xac third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
- 1024) modprobe nandsim first_id_byte=0xec second_id_byte=0xd3 third_id_byte=0x51 fourth_id_byte="$FOURTH" ;;
- *) fatal "unable to emulate ${SZ}MiB flash with ${EBSZ}KiB eraseblock"
+ case "$size" in
+ 64) modprobe nandsim first_id_byte=0x20 second_id_byte=0xa2 third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+ 128) modprobe nandsim first_id_byte=0xec second_id_byte=0xa1 third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+ 256) modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+ 512) modprobe nandsim first_id_byte=0x20 second_id_byte=0xac third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+ 1024) modprobe nandsim first_id_byte=0xec second_id_byte=0xd3 third_id_byte=0x51 fourth_id_byte="$fourh_bite" ;;
+ *) fatal "unable to emulate ${size}MiB flash with ${eb_size}KiB eraseblock"
esac
else
- fatal "bad NAND page size ${PGSZ}KiB, it has to be either 512 or 2048"
+ fatal "bad NAND page size ${page_size}KiB, it has to be either 512 or 2048"
fi
if [ "$?" != "0" ]; then
fatal "Error: cannot load nandsim"
fi
-echo "Loaded NAND simulator (${SZ}MiB, ${EBSZ}KiB eraseblock, $PGSZ bytes NAND page)"
+echo "Loaded NAND simulator (${size}MiB, ${eb_size}KiB eraseblock, $page_size bytes NAND page)"
exit 0