--- /dev/null
+---
+title: Building for Rockchip boards
+---
+
+AGL supported some Rockchip [RK3588](https://www.rock-chips.com/a/en/products/RK35_Series/2022/0926/1660.html) boards.
+[NanoPC T6](https://wiki.friendlyelec.com/wiki/index.php/NanoPC-T6) board is one of the RK3588 based board. That is manifactured by [friendlyelec](https://www.friendlyelec.com).
+
+This section describes the steps you need to take to build the
+AGL demo image for the NanoPC T6 board.
+
+## 1. Making Sure Your Build Environment is Correct
+
+The
+"[Initializing Your Build Environment](../04_Initializing_Your_Build_Environment.md)"
+section presented generic information for setting up your build environment
+using the `aglsetup.sh` script.
+If you are building the AGL demo image for a NanoPC T6 board, you need to specify some
+specific options when you run the script :
+
+**Basic IVI demo :**
+
+ ```sh
+ $ source meta-agl/scripts/aglsetup.sh -f -m nanopc-t6 -b build-nanopc-t6 agl-demo
+ $ echo "# reuse download directories" >> $AGL_TOP/site.conf
+ $ echo "DL_DIR = \"$HOME/downloads/\"" >> $AGL_TOP/site.conf
+ $ echo "SSTATE_DIR = \"$AGL_TOP/sstate-cache/\"" >> $AGL_TOP/site.conf
+ $ ln -sf $AGL_TOP/site.conf conf/
+ ```
+
+In each case, the "-m" option specifies the machine and the list of AGL features used with script are appropriate for development of
+the AGL demo image suited for NanoPC T6.
+
+## 2. Configuring the Build
+
+Before launching the build, it is good to be sure your build
+configuration is set up correctly (`/build/conf/local.conf` file).
+The "[Customizing Your Build](../05_Customizing_Your_Build.md)"
+section highlights some common configurations that are useful when
+building any AGL image.
+
+## 3. Using BitBake
+
+This section shows the `bitbake` command used to build the AGL image.
+
+Start the build using the `bitbake` command.
+
+**NOTE:** An initial build can take many hours depending on your
+CPU and and Internet connection speeds.
+The build also takes approximately 200G-bytes of free disk space.
+
+**Flutter Based IVI demo :**
+The target is `agl-ivi-demo-flutter`.
+
+```sh
+$ time bitbake agl-ivi-demo-flutter
+```
+
+By default, the build process puts the resulting image in the Build Directory and further exporting that as `$IMAGE_NAME`.
+Here is example for the NanoPC T6 board for Flutter Based demo:
+
+```sh
+<build_dir>/tmp/deploy/images/rockchip-rk3588-nanopc-t6/agl-ivi-demo-flutter-rockchip-rk3588-nanopc-t6.rootfs.wic.xz
+
+$ export IMAGE_NAME=agl-ivi-demo-flutter-rockchip-rk3588-nanopc-t6.rootfs.wic.xz
+```
+
+**Qt Based IVI demo :**
+The target is `agl-ivi-demo-qt`.
+
+```sh
+$ time bitbake agl-ivi-demo-qt
+```
+
+By default, the build process puts the resulting image in the Build Directory and further exporting that as `$IMAGE_NAME`.
+Here is example for the NanoPC T6 board for Qt Based demo:
+
+```sh
+<build_dir>/tmp/deploy/images/rockchip-rk3588-nanopc-t6/agl-ivi-demo-flutter-rockchip-rk3588-nanopc-t6.rootfs.wic.xz
+
+$ export IMAGE_NAME=agl-ivi-demo-flutter-rockchip-rk3588-nanopc-t6.rootfs.wic.xz
+```
+
+## 4. Deploying the AGL Demo Image
+
+Deploying the AGL demo image consists of copying the image on a MicroSD card,
+plugging the card into the NanoPC T6 board, and then booting the board.
+
+Follow these steps to copy the image to a MicroSD card and boot
+the image on the NanoPC T6 board:
+
+ 1. Plug your MicroSD card into your Build Host (i.e. the system that has your build output).
+
+ 2. Extract the image into the SD card of NanoPC T6 :
+
+ **NOTE:** For NanoPC T6, the image is at `<build-dir>/tmp/deploy/images/rockchip-rk3588-nanopc-t6/${IMAGE_NAME}`.
+
+ Be sure you are root, provide the actual device name for *sdcard_device_name*, and the actual image name for *image_name*.
+
+ ```sh
+ $ lsblk
+ $ sudo umount <sdcard_device_name>
+ $ xzcat ${IMAGE_NAME} | sudo dd of=<sdcard_device_name> bs=4M
+ $ sync
+ ```
+
+ **IMPORTANT NOTE:** Before re-writing any device on your Build Host, you need to
+ be sure you are actually writing to the removable MicroSD card and not some other
+ device.
+ Each computer is different and removable devices can change from time to time.
+ Consequently, you should repeat the previous operation with the MicroSD card to
+ confirm the device name every time you write to the card.
+
+ To summarize this example so far, we have the following:
+ The first SATA drive is `/dev/sda` and `/dev/sdc` corresponds to the MicroSD card, and is also marked as a removable device.You can see this in the output of the `lsblk` command where "1" appears in the "RM" column for that device.
+
+
+## Appendix.
+
+### Serial Debugging
+
+Initially, please refer to [friendlyelec NanoPC-T6 wiki page](https://wiki.friendlyelec.com/wiki/index.php/NanoPC-T6) at "3 Diagram, Layout and Dimension". The debug UART connector stay between audio out and 12V DC connector.
+
+The UART speed of NanoPC T6 is 1500000bps, not a 115200bps. That speed supports by FT234X, CH340G, and etc.
+
+Pin assign.
+
+| Pin# | Assignment | Description |
+|---|---|---|
+| 1 | GND | 0V |
+| 2 | UART2_TX_M0_DEBUG | output |
+| 3 | UART2_RX_M0_DEBUG | intput |
+
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