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authorZoltan Herpai <wigyori@uid0.hu>2013-11-14 23:12:52 +0000
committerZoltan Herpai <wigyori@uid0.hu>2013-11-14 23:12:52 +0000
commitf58bfd1df4e4a9b84a0e94691986c38bab6d8730 (patch)
tree9efce69525f7b07a108c03ba53b6721ebb1c8be2 /target/linux/sunxi/base-files/lib
parent2077361f128ff32dd6bb9fed7a4b3cd813863a9c (diff)
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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> SVN-Revision: 38811
Diffstat (limited to 'target/linux/sunxi/base-files/lib')
-rw-r--r--target/linux/sunxi/base-files/lib/preinit/01_preinit_sunxi.sh9
-rw-r--r--target/linux/sunxi/base-files/lib/sunxi.sh45
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"
+}