omnia-5g-kit: Initial package to support 5G kit

hardware/omnia/omnia-5g-kit/Makefile

@@ -0,0 +1,68 @@
+#
+# Copyright (C) 2024 CZ.NIC z.s.p.o. (http://www.nic.cz/)
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=omnia-5g-kit
+PKG_VERSION:=v0.1
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_MAINTAINER:=CZ.NIC <[email protected]>
+PKG_LICENSE:=GPL-2.0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/omnia-5g-kit
+  TITLE:=Support for Turris Omnia 5G kit
+  DEPENDS:=@TARGET_mvebu_cortexa9_DEVICE_cznic_turris-omnia +nor-update
+  CONFLICTS:=modem-manager-autosetup modem-manager
+endef
+
+define Package/omnia-5g-kit/description
+This package switches internal mPCIe slot into USB3 mode, reconfigures GSM
+network to work with our Quectell RM500U-EA 5G modem and also connects to the
+internet on every boot.
+endef
+
+define Build/Compile
+	true
+endef
+
+define Package/omnia-5g-kit/install
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/5g-kit.init $(1)/etc/init.d/5g-kit
+endef
+
+define Package/omnia-5g-kit/postinst
+#!/bin/sh
+[ -n "$$IPKG_INSTROOT" ] || {
+	/etc/init.d/5g-kit start
+	uci batch << EOF
+delete network.gsm
+set network.gsm=interface
+set network.gsm.proto='dhcp'
+set network.gsm.device='usb0'
+set network.gsm.metric=2048
+set network.gsm.ip6ifaceid='eui64'
+set network.gsm.ip6assign='64
+set network.gsm6=interface
+set network.gsm6.device='@gsm'
+set network.gsm6.proto='dhcpv6''
+EOF
+}
+
+
+define Package/omnia-5g-kit/prerm
+#!/bin/sh
+[ -n "$$IPKG_INSTROOT" ] || {
+	fw_setenv omnia_wwan_slot pcie
+	uci -q delete network.gsm
+	uci -q delete network.gsm6
+}
+endef
+
+$(eval $(call BuildPackage,omnia-5g-kit))

hardware/omnia/omnia-5g-kit/files/5g-kit.init

@@ -0,0 +1,28 @@
+#!/bin/sh /etc/rc.common
+
+START=95
+STOP=05
+
+start() {
+    local limit=0
+    if [ "$(fw_printenv omnia_wwan_slot)" != "omnia_wwan_slot=usb3" ]; then
+        nor-update
+        fw_setenv omnia_wwan_slot usb3
+        create_notification -s restart "Please reboot your router to complete 5G kit installation"
+        return 0
+    fi
+    while [ ! -e /dev/ttyUSB2 ] && [ "$limit" -lt 20 ]; do
+        sleep 1
+        limit="$((limit + 1))"
+    done
+    if [ -e /dev/ttyUSB2 ]; then
+        echo -ne 'ATZ\r\n' > /dev/ttyUSB2
+        echo -ne 'AT+CGDATA="M-ETHER",1\r\n' > /dev/ttyUSB2
+    fi
+}
+
+stop() {
+    if [ -e /dev/ttyUSB2 ]; then
+        echo -ne 'ATZ\r\n' > /dev/ttyUSB2
+    fi
+}