diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-08-03 10:33:35 +0300 |
|---|---|---|
| committer | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-08-03 10:33:35 +0300 |
| commit | f90ca3d493d78fc270ce6cd9142aeea9ce43bc54 (patch) | |
| tree | ed8b7b5c339ff4c9867c628925e2f0cf80eb4b3e | |
| parent | a79e8d32b9c2ee20da1258688948ff409d6fb46b (diff) | |
load_nandsim.sh: simplify the code
First find out what the kernel module parameters should be, then load it
once, instead of doing it in each 'case' section.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
| -rwxr-xr-x | load_nandsim.sh | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/load_nandsim.sh b/load_nandsim.sh index 4c3bb06..1bb31e1 100755 --- a/load_nandsim.sh +++ b/load_nandsim.sh @@ -80,39 +80,51 @@ if [ "$page_size" -eq 512 ] && [ "$eb_size" -ne "16" ]; then fatal "only 16KiB eraseblocks are possible in case of 512 bytes page" fi +first= +second= +third= +fourth= + if [ "$page_size" -eq "512" ]; then + first="0x20" case "$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 ;; + 16) second=0x33 ;; + 32) second=0x35 ;; + 64) second=0x36 ;; + 128) second=0x78 ;; + 256) second=0x71 ;; *) fatal "flash size ${size}MiB is not supported, try 16, 32, 64 or 256" esac elif [ "$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" ;; + 64) fourth="0x05" ;; + 128) fourth="0x15" ;; + 256) fourth="0x25" ;; + 512) fourth="0x35" ;; *) fatal "eraseblock ${eb_size}KiB is not supported" esac + case "$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" ;; + 64) first="0x20"; second="0xa2"; third="0x00 ";; + 128) first="0xec"; second="0xa1"; third="0x00 ";; + 256) first="0x20"; second="0xaa"; third="0x00 ";; + 512) first="0x20"; second="0xac"; third="0x00 ";; + 1024) first="0xec"; second="0xd3"; third="0x51 ";; *) fatal "unable to emulate ${size}MiB flash with ${eb_size}KiB eraseblock" esac else fatal "bad NAND page size ${page_size}KiB, it has to be either 512 or 2048" fi +first="first_id_byte=$first" +second="second_id_byte=$second" +[ -z "$third" ] || third="third_id_byte=$third" +[ -z "$fourth" ] || fourth="fourth_id_byte=$fourth" + +modprobe nandsim "$first" "$second" $third $fourth if [ "$?" != "0" ]; then fatal "Error: cannot load nandsim" fi echo "Loaded NAND simulator (${size}MiB, ${eb_size}KiB eraseblock, $page_size bytes NAND page)" -exit 0 |