ar71xx: convert mikrotik routerboard support to UBI

Remove the wget2nand script, drop the need for manual installation,
use sysupgrade instead.

There are now two different NAND images, one for 64 MiB flashes, the
other for >= 128 MiB

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 30 insertions, 0 deletions

diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 6341a31791..82ed041d66 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -7,6 +7,7 @@
 
 PART_NAME=firmware
 RAMFS_COPY_DATA=/lib/ar71xx.sh
+[ -x /usr/sbin/nandwrite ] && RAMFS_COPY_BIN=/usr/sbin/nandwrite
 
 CI_BLKSZ=65536
 CI_LDADR=0x80060000
@@ -164,6 +165,15 @@ alfa_check_image() {
 	return 0
 }
 
+platform_nand_board_name() {
+	local board=$(ar71xx_board_name)
+
+	case "$board" in
+	rb*) echo "routerboard";;
+	*) echo "$board";;
+	esac
+}
+
 platform_check_image() {
 	local board=$(ar71xx_board_name)
 	local magic="$(get_magic_word "$1")"
@@ -443,6 +453,10 @@ platform_check_image() {
 	tew-673gru)
 		dir825b_check_image "$1" && return 0
 		;;
+	rb*)
+		nand_do_platform_check routerboard $1
+		return $?
+		;;
 	c-60|\
 	nbg6716|\
 	r6100|\
@@ -570,6 +584,7 @@ platform_pre_upgrade() {
 	local board=$(ar71xx_board_name)
 
 	case "$board" in
+	rb*|\
 	c-60|\
 	nbg6716|\
 	r6100|\
@@ -584,6 +599,21 @@ platform_pre_upgrade() {
 	esac
 }
 
+platform_nand_pre_upgrade() {
+	local board=$(ar71xx_board_name)
+
+	case "$board" in
+	rb*)
+		CI_KERNPART=none
+		local fw_mtd=$(find_mtd_part kernel)
+		fw_mtd="${fw_mtd/block/}"
+		[ -n "$fw_mtd" ] || return
+		mtd erase kernel
+		tar xf "$1" sysupgrade-routerboard/kernel -O | nandwrite -o "$fw_mtd" -
+		;;
+	esac
+}
+
 platform_do_upgrade() {
 	local board=$(ar71xx_board_name)