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.. SPDX-License-Identifier: GPL-2.0+
SOM-RK3588-Q7 Tiger
===================
The RK3588-Q7 SoM is a Qseven-compatible (70mm x 70mm, MXM-230
connector) system-on-module from Theobroma Systems, featuring the
Rockchip RK3588.
It provides the following feature set:
* up to 16GB LPDDR4x
* on-module eMMC
* SD card (on a baseboard) via edge connector
* Gigabit Ethernet with on-module GbE PHY
* HDMI/eDP
* MIPI-DSI
* 4x MIPI-CSI (3x on FPC connectors, 1x over Q7)
* HDMI input over FPC connector
* CAN
* USB
- 1x USB 3.0 dual-role (direct connection)
- 2x USB 3.0 host + 1x USB 2.0 host
* PCIe
- 1x PCIe 2.1 Gen3, 4 lanes
- 2xSATA / 2x PCIe 2.1 Gen1, 2 lanes
* on-module ATtiny816 companion controller, implementing:
- low-power RTC functionality (ISL1208 emulation)
- fan controller (AMC6821 emulation)
* on-module Secure Element with Global Platform 2.2.1 compliant
JavaCard environment
Here is the step-by-step to boot to U-Boot on SOM-RK3588-Q7 Tiger from Theobroma
Systems.
Get the TF-A and DDR init (TPL) binaries
----------------------------------------
.. prompt:: bash
git clone https://github.com/rockchip-linux/rkbin
cd rkbin
export RKBIN=$(pwd)
export BL31=$RKBIN/bin/rk35/rk3588_bl31_v1.47.elf
export ROCKCHIP_TPL=$RKBIN/bin/rk35/rk3588_ddr_lp4_2112MHz_lp5_2400MHz_v1.18.bin
sed -i 's/^uart baudrate=.*$/uart baudrate=115200/' tools/ddrbin_param.txt
sed -i 's/^uart iomux=.*$/uart iomux=2/' tools/ddrbin_param.txt
./tools/ddrbin_tool rk3588 tools/ddrbin_param.txt "$ROCKCHIP_TPL"
./tools/boot_merger RKBOOT/RK3588MINIALL.ini
export RKDB=$RKBIN/rk3588_spl_loader_v1.11.112.bin
This will setup all required external dependencies for compiling U-Boot. This will
be updated in the future once upstream Trusted-Firmware-A supports RK3588 or U-Boot
gains support for open-source DRAM initialization in TPL.
Build U-Boot
------------
.. prompt:: bash
cd ../u-boot
make CROSS_COMPILE=aarch64-linux-gnu- tiger-rk3588_defconfig all
This will build ``u-boot-rockchip.bin`` which can be written to an MMC device
(eMMC or SD card).
Flash the image
---------------
Copy ``u-boot-rockchip.bin`` to offset 32k for SD/eMMC.
SD-Card
~~~~~~~
.. prompt:: bash
dd if=u-boot-rockchip.bin of=/dev/sdX seek=64
.. note::
Replace ``/dev/sdX`` to match your SD card kernel device.
eMMC
~~~~
``rkdeveloptool`` allows to flash the on-board eMMC via the USB OTG interface
with help of the Rockchip loader binary.
To enter the USB flashing mode on Haikou baseboard, remove any SD card, insert a
micro-USB cable in the ``Q7 USB P1`` connector (P8), move ``SW5`` switch into
``BIOS Disable`` mode, power cycle or reset the board and move ``SW5`` switch
back to ``Normal Boot`` mode. A new USB device should have appeared on your PC
(check with ``lsusb -d 2207:350b``).
To flash U-Boot on the eMMC with ``rkdeveloptool``:
.. prompt:: bash
git clone https://github.com/rockchip-linux/rkdeveloptool
cd rkdeveloptool
autoreconf -i && CPPFLAGS=-Wno-format-truncation ./configure && make
./rkdeveloptool db "$RKDB"
./rkdeveloptool wl 64 ../u-boot-rockchip.bin
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