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-rwxr-xr-xpackage/utils/nvram/files/nvram-bcm47xx.init98
1 files changed, 98 insertions, 0 deletions
diff --git a/package/utils/nvram/files/nvram-bcm47xx.init b/package/utils/nvram/files/nvram-bcm47xx.init
new file mode 100755
index 0000000000..4a2bcd16fe
--- /dev/null
+++ b/package/utils/nvram/files/nvram-bcm47xx.init
@@ -0,0 +1,98 @@
+#!/bin/sh /etc/rc.common
+# NVRAM setup
+#
+# This file handles the NVRAM quirks of various hardware of the bcm47xx target.
+
+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
+}
+
+boot() {
+ # 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
+}