openwrtv3/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
Felix Fietkau c74a690661 ar71xx: scan nand ubi partition for ath9k eeprom files
The MR18 stores the ath9k eeprom values on the NAND.
This patch makes it possible to retrieve the images
from there.

Signed-off-by: Chris R Blake <chrisrblake93@gmail.com>

SVN-Revision: 47948
2015-12-19 11:28:36 +00:00

118 lines
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#!/bin/sh
[ -e /lib/firmware/$FIRMWARE ] && exit 0
. /lib/ar71xx.sh
. /lib/functions.sh
. /lib/functions/system.sh
ath9k_eeprom_die() {
echo "ath9k eeprom: " "$*"
exit 1
}
ath9k_eeprom_extract() {
local part=$1
local offset=$2
local count=$3
local mtd
mtd=$(find_mtd_chardev $part)
[ -n "$mtd" ] || \
ath9k_eeprom_die "no mtd device found for partition $part"
dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath9k_eeprom_die "failed to extract from $mtd"
}
ath9k_ubi_eeprom_extract() {
local part=$1
local offset=$2
local count=$3
local ubidev=$(nand_find_ubi $CI_UBIPART)
local ubi
ubi=$(nand_find_volume $ubidev $part)
[ -n "$ubi" ] || \
ath9k_eeprom_die "no UBI volume found for $part"
dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
ath9k_eeprom_die "failed to extract from $ubi"
}
ath9k_patch_firmware_mac() {
local mac=$1
[ -z "$mac" ] && return
macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=2 count=6
}
board=$(ar71xx_board_name)
case "$FIRMWARE" in
"soc_wmac.eeprom")
case $board in
mr18)
. /lib/upgrade/nand.sh
if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
ath9k_ubi_eeprom_extract "caldata" 4096 2048
else
ath9k_eeprom_extract "odm-caldata" 4096 2048
fi
ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +1)
;;
r6100 | \
wndr3700v4 | \
wndr4300)
ath9k_eeprom_extract "caldata" 4096 2048
ath9k_patch_firmware_mac $(mtd_get_mac_binary caldata 0)
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"pci_wmac0.eeprom")
case $board in
mr18)
. /lib/upgrade/nand.sh
if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
ath9k_ubi_eeprom_extract "caldata" 20480 2048
else
ath9k_eeprom_extract "odm-caldata" 20480 2048
fi
ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +2)
;;
wndr3700v4 | \
wndr4300)
ath9k_eeprom_extract "caldata" 20480 2048
ath9k_patch_firmware_mac $(mtd_get_mac_binary caldata 12)
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
"pci_wmac1.eeprom")
case $board in
mr18)
. /lib/upgrade/nand.sh
if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
ath9k_ubi_eeprom_extract "caldata" 36864 2048
else
ath9k_eeprom_extract "odm-caldata" 36864 2048
fi
ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +3)
;;
*)
ath9k_eeprom_die "board $board is not supported yet"
;;
esac
;;
esac