1 #!/bin/sh /etc/rc.common
4 # This file handles the NVRAM quirks of various hardware.
7 alias debug=${DEBUG:-:}
10 [ -z "$(nvram get $1)" ] && nvram set "$1=$2"
13 nvram_set() { # for the linksys fixup part
14 [ "$(nvram get "$1")" = "$2" -a "$2" != "" ] || {
16 /usr/sbin/nvram set "$1=$2"
21 # work around braindead CFE defaults in linksys routers
22 boardtype=$(nvram get boardtype)
23 boardnum=$(nvram get boardnum)
24 boardflags=$(($(nvram get boardflags)))
25 adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
27 [ -n "$(nvram get vxkilled)" ] && boardtype=0 # don't mess with the ram settings on the hacked cfe
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 ] && {
34 nvram_set sdram_ncdl 0x0
35 nvram_set pa0itssit 62
36 nvram_set pa0b0 0x15eb
37 nvram_set pa0b1 0xfa82
38 nvram_set pa0b2 0xfe66
39 nvram_set pa0maxpwr 0x4e
44 nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
45 [ "$COMMIT" = 1 ] && {
46 nvram_set sdram_ncdl 0x0
47 nvram_set pa0itssit 62
48 nvram_set pa0b0 0x168b
49 nvram_set pa0b1 0xfabf
50 nvram_set pa0b2 0xfeaf
51 nvram_set pa0maxpwr 0x4e
55 nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0009 )))"
56 [ "$COMMIT" = 1 ] && {
57 nvram_set sdram_ncdl 0x0
65 # OFDM Power Offset is set incorrectly on many boards.
66 # Setting it to 0 will increase the tx power to normal levels.
69 [ "$(nvram get il0macaddr)" = "00:90:4c:5f:00:2a" ] && {
70 # if default wifi mac, set two higher than the lan mac
71 nvram set il0macaddr=$(nvram get et0macaddr|
72 awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')
74 [ "$COMMIT" = "1" ] && nvram commit