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.. SPDX-License-Identifier: GPL-2.0+
GenBook
=======
Cool Pi GenBook is a laptop powered by RK3588, it works with a
carrier board connect with CM5.
Specification:
* Rockchip RK3588
* LPDDR5X 8/32 GB
* eMMC 64 GB
* SPI Nor 8 MB
* HDMI Type A out x 1
* USB 3.0 Host x 1
* USB-C 3.0 with DisplayPort AltMode
* PCIE M.2 E Key for RTL8852BE Wireless connection
* PCIE M.2 M Key for NVME connection
* eDP panel with 1920x1080
Here is the step-by-step to compile and boot to U-Boot on GenBook.
Get the TF-A and DDR init (TPL) binaries
----------------------------------------
.. prompt:: bash
cd u-boot
export ROCKCHIP_TPL=../rkbin/bin/rk35/rk3588_ddr_lp4_2112MHz_lp5_2400MHz_v1.17.bin
export BL31=../rkbin/bin/rk35/rk3588_bl31_v1.46.elf
make coolpi-cm5-genbook-rk3588_defconfig
make CROSS_COMPILE=aarch64-linux-gnu-
This will build ``u-boot-rockchip.bin`` for eMMC and ``u-boot-rockchip-spi.bin`` for SPI Nor.
Write u-boot to eMMC or SPI Nor from a Linux system on the laptop
-----------------------------------------------------------------
Copy ``u-boot-rockchip.bin`` and ``u-boot-rockchip-spi.bin`` to the laptop.
eMMC
~~~~
.. prompt:: bash
dd if=u-boot-rockchip.bin of=/dev/mmcblk0 bs=512 seek=64
SPI Nor
~~~~~~~
.. prompt:: bash
dd if=u-boot-rockchip-spi.bin of=/dev/mtdblock0
``upgrade_tool`` allows to flash the on-board SPI Nor via the USB TypeC interface
with help of the Rockchip loader binary.
To enter the USB flashing mode, connect the laptop and your HOST PC with a USB-C
cable, reset the laptop with ``Loader Key`` pressed.
On your PC, check with ``lsusb -d 2207:350b``).
To flash U-Boot on the SPI Nor with ``upgrade_tool``:
.. prompt:: bash
upgrade_tool db rk3588/MiniLoaderAll.bin
upgrade_tool ssd // Input 5 for SPINOR download mode
upgrade_tool wl 0 u-boot-rockchip-spi.bin
upgrade_tool rd
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