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Heiko Stuebner 97fa784725 rockchip: puma: reorganize devicetrees to actually work and match upstream 
So far the puma dts files only just included the main puma dtsi without
handling the actual baseboard and rk3399-puma.dtsi was very much
detached from the variant in the mainline Linux kernel.

Recent changes resulted in a strange situation with nonworking puma boards.

Commit ab800e5a6f ("arm: dts: rockchip: puma: move U-Boot specific bits to u-boot.dtsi")
moved the sdram include from rk3399-puma-ddrX.dts to new files
rk3399-puma-ddrx-u-boot.dtsi which were never included anywhere though.

Commit 167efc2c7a ("arm64: dts: rk3399: Sync v5.7-rc1 from Linux")
replaced the rk3399-puma.dtsi nearly completely, but in the kernel
it definitly depends on a baseboard dts to actually enable peripherals
like sd-slot, uarts, etc.

So to untagle this and bring the whole thing more in line with mainline
Linux, bring the rk3399-puma-haikou.dts over as well, drop the separate
DDR-option devicetrees and instead replace them with a puma Kconfig option
to select and include the needed DDR variant.

Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2020-06-07 18:57:16 +08:00
..
fit_spl_atf.sh board: puma: use dtb given on the commandline instead of using u-boot.dtb 2020-05-22 17:24:30 +08:00
Kconfig rockchip: puma: reorganize devicetrees to actually work and match upstream 2020-06-07 18:57:16 +08:00
MAINTAINERS rockchip: ARM64: split RK3399-Q7 board off the RK3399-EVB board 2017-04-15 10:13:17 -06:00
Makefile rockchip: ARM64: split RK3399-Q7 board off the RK3399-EVB board 2017-04-15 10:13:17 -06:00
puma-rk3399.c rockchip: puma: fix indentation of misc_init_r 2020-06-07 18:57:16 +08:00
README Kconfig: Add u-boot.itb BUILD_TARGET for Rockchip 2019-06-26 21:11:27 +08:00

README 

Introduction
============

The RK3399-Q7 (Puma) is a system-on-module featuring the Rockchip
RK3399 in a Qseven-compatible form-factor.

RK3399-Q7 features:
	* CPU: ARMv8 64bit Big-Little architecture,
		* Big: dual-core Cortex-A72
		* Little: quad-core Cortex-A53
		* IRAM: 200KB
	* DRAM: 4GB-128MB dual-channel
	* eMMC: onboard eMMC
	* SD/MMC
	* GbE (onboard Micrel KSZ9031) Gigabit ethernet PHY
	* USB:
		* USB3.0 dual role port
		* 2x USB3.0 host, 1x USB2.0 host via onboard USB3.0 hub
	* Display: HDMI/eDP/MIPI
	* Camera: 2x CSI (one on the edge connector, one on the Q7 specified CSI ZIF)
	* NOR Flash: onboard SPI NOR
	* Companion Controller: onboard additional Cortex-M0 microcontroller
		* RTC
		* fan controller
		* CAN

Here is the step-by-step to boot to U-Boot on rk3399.

Get the Source and build ATF/Cortex-M0 binaries
===============================================

  > git clone git://git.theobroma-systems.com/arm-trusted-firmware.git
  > git clone git://git.theobroma-systems.com/rk3399-cortex-m0.git

Compile the ATF
===============

  > cd arm-trusted-firmware
  > make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3399 bl31
  > cp build/rk3399/release/bl31.bin ../u-boot/bl31-rk3399.bin

Compile the M0 firmware
=======================

  > cd ../rk3399-cortex-m0
  > make CROSS_COMPILE=arm-cortex_m0-eabi-
  > cp rk3399m0.bin ../u-boot

Compile the U-Boot
==================

  > cd ../u-boot
  > make CROSS_COMPILE=aarch64-linux-gnu- puma-rk3399_defconfig all

Package the image
=================

Creating a SPL image for SD-Card/eMMC
  > tools/mkimage -n rk3399 -T rksd -d spl/u-boot-spl.bin spl_mmc.img
Creating a SPL image for SPI-NOR
  > tools/mkimage -n rk3399 -T rkspi -d spl/u-boot-spl.bin spl_nor.img
Create the FIT image containing U-Boot proper, ATF, M0 Firmware, devicetree
  > make CROSS_COMPILE=aarch64-linux-gnu-

Flash the image
===============

Copy the SPL to offset 32k for SD/eMMC, offset 0 for NOR-Flash and the FIT
image to offset 256k card.

SD-Card
-------

  > dd if=spl_mmc.img of=/dev/sdb seek=64
  > dd if=u-boot.itb of=/dev/sdb seek=512

eMMC
----

rkdeveloptool allows to flash the on-board eMMC via the USB OTG interface with
help of the Rockchip loader binary.

  > git clone https://github.com/rockchip-linux/rkdeveloptool
  > cd rkdeveloptool
  > autoreconf -i && ./configure && make
  > git clone https://github.com/rockchip-linux/rkbin.git
  > ./rkdeveloptool db rkbin/rk33/rk3399_loader_v1.08.106.bin
  > ./rkdeveloptool wl 64 ../spl_mmc.img
  > ./rkdeveloptool wl 512 ../u-boot.itb

NOR-Flash
---------

Writing the SPI NOR Flash requires a running U-Boot. For the sake of simplicity
we assume you have a SD-Card with a partition containing the required files
ready.

  > load mmc 1:1 ${kernel_addr_r} spl_nor.img
  > sf probe
  > sf erase 0 +$filesize
  > sf write $kernel_addr_r 0 ${filesize}
  > load mmc 1:1 ${kernel_addr_r} u-boot.itb
  > sf erase 0x40000 +$filesize
  > sf write $kernel_addr_r 0x40000 ${filesize}


Reboot the system and you should see a U-Boot console on UART0 (115200n8).