diff options
Diffstat (limited to 'package/system/utils/nvram/files/nvram.init')
-rwxr-xr-x | package/system/utils/nvram/files/nvram.init | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/package/system/utils/nvram/files/nvram.init b/package/system/utils/nvram/files/nvram.init new file mode 100755 index 0000000..467ab28 --- /dev/null +++ b/package/system/utils/nvram/files/nvram.init @@ -0,0 +1,98 @@ +#!/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 +} |