treewide: do board detection during preinit

Do the board detection during preinit to unify it across all targets.

Signed-off-by: Mathias Kresin <dev@kresin.me>

2 files changed, 43 insertions, 16 deletions

diff --git a/target/linux/ixp4xx/base-files/lib/ixp4xx.sh b/target/linux/ixp4xx/base-files/lib/ixp4xx.sh
index f7a6b76eda..7486356b9c 100644
--- a/target/linux/ixp4xx/base-files/lib/ixp4xx.sh
+++ b/target/linux/ixp4xx/base-files/lib/ixp4xx.sh
@@ -3,23 +3,41 @@
 # Copyright (C) 2012 OpenWrt.org
 #
 
-ixp4xx_board_name() {
-        local machine
-        local name
-
-        machine=$(awk 'BEGIN{FS="[ \t]+:[ \t]"} /Hardware/ {print $2}' /proc/cpuinfo)
-
-        case "$machine" in
-		"Gateworks Cambria"*)
-			name="cambria"
-			;;
-		"Gateworks Avila"*)
-			name="avila"
-			;;
-		*)
-			name="generic";
-			;;
+IXP4XX_BOARD_NAME=
+IXP4XX_MODEL=
+
+ixp4xx_board_detect() {
+	local machine
+	local name
+
+	machine=$(awk 'BEGIN{FS="[ \t]+:[ \t]"} /Hardware/ {print $2}' /proc/cpuinfo)
+
+	case "$machine" in
+	"Gateworks Cambria"*)
+		name="cambria"
+		;;
+	"Gateworks Avila"*)
+		name="avila"
+		;;
+	*)
+		name="generic";
+		;;
 	esac
 
+	[ -z "$IXP4XX_BOARD_NAME" ] && IXP4XX_BOARD_NAME="$name"
+	[ -z "$IXP4XX_MODEL" ] && IXP4XX_MODEL="$machine"
+
+	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
+
+	echo "$IXP4XX_BOARD_NAME" > /tmp/sysinfo/board_name
+	echo "$IXP4XX_MODEL" > /tmp/sysinfo/model
+}
+
+ixp4xx_board_name() {
+	local name
+
+	[ -f /tmp/sysinfo/board_name ] && name=$(cat /tmp/sysinfo/board_name)
+	[ -z "$name" ] && name="unknown"
+
 	echo $name
 }
diff --git a/target/linux/ixp4xx/base-files/lib/preinit/01_sysinfo b/target/linux/ixp4xx/base-files/lib/preinit/01_sysinfo
new file mode 100644
index 0000000000..7699e9a10e
--- /dev/null
+++ b/target/linux/ixp4xx/base-files/lib/preinit/01_sysinfo
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+do_sysinfo_ixp4xx() {
+	. /lib/ixp4xx.sh
+
+	ixp4xx_board_detect
+}
+
+boot_hook_add preinit_main do_sysinfo_ixp4xx