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authorFelix Fietkau <nbd@openwrt.org>2007-06-27 05:26:20 +0000
committerFelix Fietkau <nbd@openwrt.org>2007-06-27 05:26:20 +0000
commit06966a534a0c1f6ba6652759c38ac69d70c0a780 (patch)
tree14c38e8f59d75e68fff6476f53c88aaf85c041df /package/nvram/files
parent8d83b9da07168b67b59730f87369c80fc82a67a2 (diff)
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add nvram fixup script
SVN-Revision: 7742
Diffstat (limited to 'package/nvram/files')
-rwxr-xr-xpackage/nvram/files/nvram.init70
1 files changed, 70 insertions, 0 deletions
diff --git a/package/nvram/files/nvram.init b/package/nvram/files/nvram.init
new file mode 100755
index 0000000..164fdb5
--- /dev/null
+++ b/package/nvram/files/nvram.init
@@ -0,0 +1,70 @@
+#!/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
+ }
+ ;;
+ esac
+ [ "$COMMIT" = "1" ] && nvram commit
+}
+
+start() {
+ fixup_linksys
+
+ # OFDM Power Offset is set incorrectly on many boards.
+ # Setting it to 0 will increase the tx power to normal levels.
+ nvram_set opo 0x0
+
+ [ "$(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}')
+ }
+}