4 # This file handles the NVRAM quirks of various hardware.
7 grep 'mtd0: 00060000' /proc/mtd 2>&- >&- && exit
9 alias debug=${DEBUG:-:}
12 [ -z "$(nvram get $1)" ] && nvram set "$1=$2"
15 nvram_set() { # for the linksys fixup part
16 [ "$(nvram get "$1")" = "$2" -a "$2" != "" ] || {
18 /usr/sbin/nvram set "$1=$2"
22 # work around braindead CFE defaults in linksys routers
23 boardtype=$(nvram get boardtype)
24 boardnum=$(nvram get boardnum)
25 boardflags=$(($(nvram get boardflags)))
26 adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
28 case "$(( $boardtype ))" in
30 if [ "$adm_switch" = 0 ]; then
31 nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
32 [ "$COMMIT" = 1 ] && {
33 nvram_set sdram_config 0x0062
35 nvram_set sdram_ncdl 0x0
36 nvram_set pa0itssit 62
37 nvram_set pa0b0 0x15eb
38 nvram_set pa0b1 0xfa82
39 nvram_set pa0b2 0xfe66
40 nvram_set pa0maxpwr 0x4e
45 nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
46 [ "$COMMIT" = 1 ] && {
47 nvram_set sdram_config 0x0062
48 nvram_set sdram_ncdl 0x0
49 nvram_set pa0itssit 62
50 nvram_set pa0b0 0x168b
51 nvram_set pa0b1 0xfabf
52 nvram_set pa0b2 0xfeaf
53 nvram_set pa0maxpwr 0x4e
57 [ "$COMMIT" = "1" ] && nvram commit
59 # hack for some motorola routers
62 [ "$(nvram get il0macaddr)" = "00:90:4c:5f:00:2a" ] && {
63 # if default wifi mac, set two higher than the lan mac
64 nvram set il0macaddr=$(nvram get et0macaddr|
65 awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')