target/linux/package/base-files/files/brcm-2.4/etc/init.d/S04nvram

   1 #!/bin/sh
   2 # NVRAM setup
   3 #
   4 # This file handles the NVRAM quirks of various hardware.
   5
   6 # WGT634u
   7 grep 'mtd0: 00060000' /proc/mtd 2>&- >&- && exit
   8
   9 alias debug=${DEBUG:-:}
  10
  11 nvram_default() {
  12         [ -z "$(nvram get $1)" ] && nvram set "$1=$2"
  13 }
  14
  15 nvram_set() { # for the linksys fixup part
  16         [ "$(nvram get "$1")" = "$2" -a "$2" != "" ] || {
  17                 COMMIT=1
  18                 /usr/sbin/nvram set "$1=$2"
  19         }
  20 }
  21
  22 # work around braindead CFE defaults in linksys routers
  23 boardtype=$(nvram get boardtype)
  24 boardnum=$(nvram get boardnum)
  25 boardflags=$(($(nvram get boardflags)))
  26 adm_switch="$(( ($boardflags & 0x80) >> 7 ))"
  27
  28 case "$(( $boardtype ))" in
  29         "1800") #0x708
  30                 if [ "$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
  34                                 nvram_set clkfreq 216
  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
  41                         }
  42                 fi
  43         ;;
  44         "1127") #0x467
  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
  54                 }
  55         ;;
  56 esac
  57 [ "$COMMIT" = "1" ] && nvram commit
  58
  59 # hack for some motorola routers
  60 nvram unset wl0gpio0
  61
  62 [ "$(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}')
  66 }