99 lines
2.9 KiB
Bash
Executable File
99 lines
2.9 KiB
Bash
Executable File
#!/bin/sh /etc/rc.common
|
|
# NVRAM setup
|
|
#
|
|
# This file handles the NVRAM quirks of various hardware.
|
|
|
|
START=02
|
|
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=$2"
|
|
}
|
|
}
|
|
|
|
fixup_linksys() {
|
|
# work around braindead CFE defaults in linksys routers
|
|
boardtype=$(nvram get boardtype)
|
|
boardnum=$(nvram get boardnum)
|
|
boardflags=$(($(nvram get boardflags)))
|
|
adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
|
|
|
|
[ -n "$(nvram get vxkilled)" ] && boardtype=0 # don't mess with the ram settings on the hacked cfe
|
|
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 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_ncdl 0x0
|
|
nvram_set pa0itssit 62
|
|
nvram_set pa0b0 0x168b
|
|
nvram_set pa0b1 0xfabf
|
|
nvram_set pa0b2 0xfeaf
|
|
nvram_set pa0maxpwr 0x4e
|
|
}
|
|
;;
|
|
"1071") #0x042f
|
|
# do sanity check first! max 0x0011 = 128mb
|
|
SDRAM_INIT=$(printf %d $(/usr/sbin/nvram get sdram_init))
|
|
[ "$SDRAM_INIT" -lt "9" -o "$SDRAM_INIT" -gt "17" ] && {
|
|
# set this to default: 0x09 only if value is invaild like 16MB on Asus WL-500GP
|
|
echo "sdram_init is invaild: $(printf 0x%04x $SDRAM_INIT), force to default!"
|
|
nvram_set sdram_init 0x0009
|
|
}
|
|
# on WRT54G3GV2 set flag, so checksum errors of firmware image 2 don't stop the boot process
|
|
noset_try_flag=$(nvram get noset_try_flag)
|
|
[ "$noset_try_flag" = 0 ] && {
|
|
echo "setting noset_try_flag to 1."
|
|
nvram_set noset_try_flag 1
|
|
}
|
|
[ "$COMMIT" = 1 ] && {
|
|
nvram_set sdram_ncdl 0x0
|
|
}
|
|
esac
|
|
}
|
|
|
|
start() {
|
|
# Don't do any fixups on the WGT634U
|
|
[ "$(cat /proc/diag/model)" = "Netgear WGT634U" ] && return
|
|
|
|
fixup_linksys
|
|
|
|
# OFDM Power Offset is set incorrectly on many boards.
|
|
# Setting it to 0 will increase the tx power to normal levels.
|
|
nvram_set opo 0x0
|
|
|
|
[ "$(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"$x)%256);y/=256}print}')
|
|
}
|
|
|
|
[ "$(nvram get et0macaddr)" = "00:90:4c:c0:00:08" ] && {
|
|
# OvisLink WL-1600GL mac workaround
|
|
nvram set et0macaddr=$(hexdump -n 6 -s 130976 -e '5/1 "%02x:" "%02x" ' /dev/mtd/0)
|
|
nvram set il0macaddr=$(nvram get et0macaddr|
|
|
awk '{OFS=FS=":";for(x=7,y=2;--x;){$x=sprintf("%02x",(y+="0x"$x)%256);y/=256}print}')
|
|
}
|
|
|
|
[ "$COMMIT" = "1" ] && nvram commit
|
|
}
|