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#!/bin/sh
# NVRAM setup
#
# This file handles the NVRAM quirks of various hardware.
# WGT634u
grep 'mtd0: 00060000' /proc/mtd 2>&- >&- && exit
alias debug=${DEBUG:-:}
nvram_default() {
[ -z "$(nvram get $1)" ] && nvram set "$1=$2"
}
nvram_set() { # for the linksys fixup part
[ "$(nvram get "$1")" = "$2" -a "$2" != "" ] || {
COMMIT=1
/usr/sbin/nvram set "$1=$2"
}
}
# work around braindead CFE defaults in linksys routers
boardtype=$(nvram get boardtype)
boardnum=$(nvram get boardnum)
boardflags=$(($(nvram get boardflags)))
adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
case "$(( $boardtype ))" in
"1800") #0x708
if [ "$adm_switch" = 0 ]; then
nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
[ "$COMMIT" = 1 ] && {
nvram_set sdram_config 0x0062
nvram_set clkfreq 216
nvram_set sdram_ncdl 0x0
nvram_set pa0itssit 62
nvram_set pa0b0 0x15eb
nvram_set pa0b1 0xfa82
nvram_set pa0b2 0xfe66
nvram_set pa0maxpwr 0x4e
}
fi
;;
"1127") #0x467
nvram_set sdram_init "$(printf 0x%04x $(( $(/usr/sbin/nvram get sdram_init) | 0x0100 )))"
[ "$COMMIT" = 1 ] && {
nvram_set sdram_config 0x0062
nvram_set sdram_ncdl 0x0
nvram_set pa0itssit 62
nvram_set pa0b0 0x168b
nvram_set pa0b1 0xfabf
nvram_set pa0b2 0xfeaf
nvram_set pa0maxpwr 0x4e
}
;;
esac
[ "$COMMIT" = "1" ] && nvram commit
# hack for some motorola routers
nvram unset wl0gpio0
[ "$(nvram get il0macaddr)" = "00:90:4c:5f:00:2a" ] && {
# if default wifi mac, set two higher than the lan mac
nvram set il0macaddr=$(nvram get et0macaddr|
awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')
}
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