From c74a6906616918ee9effc5e19019896e567dc9e6 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 19 Dec 2015 11:28:36 +0000 Subject: [PATCH] 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 SVN-Revision: 47948 --- .../base-files/files/lib/functions/system.sh | 17 +++++++++++++++ .../etc/hotplug.d/firmware/10-ath9k-eeprom | 21 +++++++++++++++++++ 2 files changed, 38 insertions(+) diff --git a/package/base-files/files/lib/functions/system.sh b/package/base-files/files/lib/functions/system.sh index 8d75a5a8ce..03d71277b0 100644 --- a/package/base-files/files/lib/functions/system.sh +++ b/package/base-files/files/lib/functions/system.sh @@ -41,6 +41,23 @@ mtd_get_mac_binary() { dd bs=1 skip=$offset count=6 if=$part 2>/dev/null | hexdump -v -n 6 -e '5/1 "%02x:" 1/1 "%02x"' } +mtd_get_mac_binary_ubi() { + local mtdname="$1" + local offset="$2" + + . /lib/upgrade/nand.sh + + local ubidev=$(nand_find_ubi $CI_UBIPART) + local part=$(nand_find_volume $ubidev $1) + + if [ -z "$part" ]; then + echo "mtd_get_mac_binary: ubi volume $mtdname not found!" >&2 + return + fi + + hexdump -v -n 6 -s $offset -e '5/1 "%02x:" 1/1 "%02x"' /dev/$part 2>/dev/null +} + mtd_get_part_size() { local part_name=$1 local first dev size erasesize name diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom index 33b1d74dc8..9d3356447a 100644 --- a/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom +++ b/target/linux/ar71xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom @@ -25,6 +25,21 @@ ath9k_eeprom_extract() { 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=$1 @@ -39,6 +54,8 @@ case "$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 @@ -61,6 +78,8 @@ case "$FIRMWARE" in "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 @@ -82,6 +101,8 @@ case "$FIRMWARE" in "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