sunxi: rework target

 - update kernel to 3.12
 - add patches for clocks, i2c, usb, sid, rtc
 - support common image for A10/A13/A20
 - add support for a couple boards
 - most drivers are configured into the kernel as of now

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38811 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 54 insertions, 0 deletions

diff --git a/target/linux/sunxi/base-files/lib/preinit/01_preinit_sunxi.sh b/target/linux/sunxi/base-files/lib/preinit/01_preinit_sunxi.sh
new file mode 100644
index 0000000000..f221dbc582
--- /dev/null
+++ b/target/linux/sunxi/base-files/lib/preinit/01_preinit_sunxi.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+do_sunxi() {
+        . /lib/sunxi.sh
+
+        sunxi_board_detect
+}
+
+boot_hook_add preinit_main do_sunxi
diff --git a/target/linux/sunxi/base-files/lib/sunxi.sh b/target/linux/sunxi/base-files/lib/sunxi.sh
new file mode 100644
index 0000000000..adf9f8462c
--- /dev/null
+++ b/target/linux/sunxi/base-files/lib/sunxi.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# defaults
+SUNXI_BOARD_NAME="generic sunxi"
+SUNXI_BOARD_MODEL="generic sunxi"
+SUNXI_ENV_DEV=/dev/mmcblk0
+
+#Helper functions 
+get_cmdline_opt() 
+{
+cat /proc/cmdline | awk -F$1= '{print $2}' | awk '{print $1}'
+}
+
+#Since fw_getenv doesn't work with blockdevs let's make a hack
+uboot_getenv() 
+{
+    dd if=$SUNXI_ENV_DEV bs=1024 skip=544 count=128 2>dev/null |\strings|grep $1|cut -d"=" -f2
+}
+
+#Actual routines go below
+sunxi_env_dev()
+{
+    local dev
+    dev=`get_cmdline_opt root|cut -d"p" -f1`
+    SUNXI_ENV_DEV=$dev
+    echo "probing $dev for uboot env data"
+}
+
+sunxi_board_detect() {
+    local board
+    local model
+    sunxi_env_dev
+    [ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
+    board="`uboot_getenv wrt_board`"
+    model="`uboot_getenv wrt_model`"
+    if [ "$board" != "" ]; then
+	SUNXI_BOARD_NAME="$board"
+    fi
+    if [ "$model" != "" ]; then
+	SUNXI_BOARD_MODEL="$model"
+    fi
+    echo "$SUNXI_BOARD_NAME" > /tmp/sysinfo/board_name
+    echo "$SUNXI_BOARD_MODEL" > /tmp/sysinfo/model
+    echo "Detected $SUNXI_BOARD_NAME // $SUNXI_BOARD_MODEL"
+}