diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-08-03 10:18:04 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-08-03 10:18:04 +0300 |
| commit | 37d14ad9bd706a035c6ce3050bfede6c9ac6f12a (patch) | |
| tree | f2fcd133ef0a5bc4c3697b72fc65e77e1585e008 /load_nandsim.sh | |
| parent | 332e159dd29ec7a54d3483b6fdb6ce858e377afc (diff) | |
load_nandsim.sh: intruduce fatal function
And used it, which simplifies the code.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'load_nandsim.sh')
| -rwxr-xr-x | load_nandsim.sh | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/load_nandsim.sh b/load_nandsim.sh index a03b307..87d4f60 100755 --- a/load_nandsim.sh +++ b/load_nandsim.sh @@ -7,9 +7,14 @@ # Author: Artem Bityutskiy # +fatal() +{ + echo "Error: $1" 1>&2 + exit 1 +} + if grep -q "NAND simulator" /proc/mtd; then - echo "Error: nandsim is already loaded" - exit 1 + fatal "nandsim is already loaded" fi if [ "$#" -lt "1" ]; then @@ -67,8 +72,7 @@ elif [ "$#" = "2" ]; then fi if [ "$PGSZ" -eq 512 ] && [ "$EBSZ" -ne "16" ]; then - echo "Error: only 16KiB eraseblocks are possible in case of 512 bytes page" - exit 1 + fatal "only 16KiB eraseblocks are possible in case of 512 bytes page" fi if [ "$PGSZ" -eq "512" ]; then @@ -78,8 +82,7 @@ if [ "$PGSZ" -eq "512" ]; then 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 ;; - *) echo "Flash size ${SZ}MiB is not supported, try 16, 32, 64 or 256" - exit 1 ;; + *) fatal "flash size ${SZ}MiB is not supported, try 16, 32, 64 or 256" esac elif [ "$PGSZ" -eq "2048" ]; then case "$EBSZ" in @@ -87,8 +90,7 @@ elif [ "$PGSZ" -eq "2048" ]; then 128) FOURTH="0x15" ;; 256) FOURTH="0x25" ;; 512) FOURTH="0x35" ;; - *) echo "Eraseblock ${EBSZ}KiB is not supported" - exit 1 + *) fatal "eraseblock ${EBSZ}KiB is not supported" esac case "$SZ" in @@ -97,17 +99,14 @@ elif [ "$PGSZ" -eq "2048" ]; then 256) modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte="$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" ;; - *) echo "Unable to emulate ${SZ}MiB flash with ${EBSZ}KiB eraseblock" - exit 1 + *) fatal "unable to emulate ${SZ}MiB flash with ${EBSZ}KiB eraseblock" esac else - echo "Error: bad NAND page size ${PGSZ}KiB, it has to be either 512 or 2048" - exit 1 + fatal "bad NAND page size ${PGSZ}KiB, it has to be either 512 or 2048" fi if [ "$?" != "0" ]; then - echo "Error: cannot load nandsim" - exit 1 + fatal "Error: cannot load nandsim" fi echo "Loaded NAND simulator (${SZ}MiB, ${EBSZ}KiB eraseblock, $PGSZ bytes NAND page)" |