From 3d7276b2b27317c5067d2095ea5c3952d11f4390 Mon Sep 17 00:00:00 2001
From: Rainer Keller <rainer.keller@digia.com>
Date: Fri, 5 Sep 2014 14:39:50 +0200
Subject: [PATCH] Add support for update recovery linux

---
 board/boundary/nitrogen6x/6x_bootscript-yocto.txt | 61 +++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/board/boundary/nitrogen6x/6x_bootscript-yocto.txt b/board/boundary/nitrogen6x/6x_bootscript-yocto.txt
index 5bc6170..4116ed4 100644
--- a/board/boundary/nitrogen6x/6x_bootscript-yocto.txt
+++ b/board/boundary/nitrogen6x/6x_bootscript-yocto.txt
@@ -1,3 +1,67 @@
+# Boot2Qt update part begin
+echo "Boot to Qt"
+mw.b 0x13000000 0x76 1 # v
+mw.b 0x13000001 0x75 1 # u
+mw.b 0x13000002 0x74 1 # t
+mw.b 0x13000003 0x69 1 # i
+
+fdtaddr=0x12000000
+
+if test "x$boot2qt_update_state" = "x" ; then
+  setenv boot2qt_update_state valid
+  saveenv
+fi
+
+# This is a workaround because environment partition is read-only.
+if fatload mmc 1:1 0x12000000 update/state ; then
+    if cmp.b 0x12000000 0x13000000 1 ; then
+        echo "State: Valid"
+        setenv boot2qt_fat_state valid
+        setenv boot2qt_update_state valid
+        saveenv
+    fi
+    if cmp.b 0x12000000 0x13000001 1 ; then
+        echo "State: Update"
+        setenv boot2qt_fat_state update
+    fi
+    if cmp.b 0x12000000 0x13000002 1 ; then
+        echo "State: Testing"
+        setenv boot2qt_fat_state testing
+    fi
+fi
+
+if test "x$boot2qt_fat_state" = "xupdate" || test "x$boot2qt_update_state" = "xinvalid" ; then
+  setenv boot2qt_update_state testing
+  saveenv
+  echo "Recovery linux starting..."
+  setenv bootargs "console=ttymxc1,115200 vmalloc=400M consoleblank=0 vt.global_cursor_default=0 root=/dev/ram0"
+
+  # Guess dtb name
+  dtbname="imx6";
+  if itest.s x6S != "x$cpu" ; then
+    dtbname=${dtbname}q-;
+  else
+    dtbname=${dtbname}s-;
+  fi
+
+  if itest.s x == "x$board" ; then
+    board=sabrelite
+  fi
+  dtbname=${dtbname}${board}.dtb;
+
+  fatload mmc 1:1 ${loadaddr} update/uImage
+  fatload mmc 1:1 ${fdtaddr} update/${dtbname}
+  fatload mmc 1:1 0x13000000 update/uRamdisk
+  bootm ${loadaddr} 0x13000000 ${fdtaddr}
+fi
+
+if test "x$boot2qt_fat_state" = "xtesting" || test "x$boot2qt_update_state" = "xtesting"; then
+  setenv boot2qt_update_state invalid
+  saveenv
+fi
+
+# Boot2Qt update part end
+
 # Yocto-specifics
 setenv bootpart 2
 setenv bootdir /
-- 
1.8.5.5