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https://github.com/brain-hackers/u-boot-brain
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The RK3368-uQ7 (codenamed 'Lion') is a micro-Qseven (40mm x 70mm, MXM-230 edge connector compatible with the Qseven specification) form-factor system-on-module based on the octo-core Rockchip RK3368. It is designed, supported and manufactured by Theobroma Systems. It provides the following features: - 8x Cortex-A53 (in 2 clusters of 4 cores each) - (on-module) up to 4GB of DDR3 memory - (on-module) SPI-NOR flash - (on-module) eMMC - Gigabit Ethernet (with an on-module KSZ9031 PHY) - USB - HDMI - MIPI-DSI/single-channel LVDS (muxed on the 'LVDS-A' pin-group) - various 'slow' interfaces (e.g. UART, SPI, I2C, I2S, ...) Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
61 lines
1.6 KiB
Plaintext
61 lines
1.6 KiB
Plaintext
Here is the step-by-step to boot to U-Boot on RK3368-uQ7
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Get the Source and build ATF
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============================
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> git clone git://git.theobroma-systems.com/arm-trusted-firmware.git
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> cd arm-trusted-firmware
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> make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3368 bl31
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> cp build/rk3368/release/bl31.bin ../u-boot/bl31-rk3368.bin
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Configure U-Boot
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================
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> cd ../u-boot
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> make lion-rk3368_defconfig
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Build the TPL/SPL stage
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=======================
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> make CROSS_COMPILE=aarch64-unknown-elf- ARCH=arm
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> tools/mkimage -n rk3368 -T rksd -d tpl/u-boot-tpl.bin spl-3368.img
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> cat spl/u-boot-spl-dtb.bin >> spl-3368.img
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Build the full U-Boot and a FIT image including the ATF
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=======================================================
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> make CROSS_COMPILE=aarch64-unknown-elf- ARCH=arm u-boot.itb
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Write to a SD-card
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==================
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> dd if=spl-3368.img of=/dev/sdb seek=64
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> dd if=u-boot.itb of=/dev/sdb seek=512
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If everything went according to plan, you should see the following
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output on UART0:
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<debug_uart> U-Boot TPL board init
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Trying to boot from BOOTROM
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Returning to boot ROM...
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Trying to boot from MMC1
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NOTICE: BL31: v1.3(release):v1.2-1320-gbf43a443
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NOTICE: BL31: Built : 18:04:47, Jul 5 2017
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U-Boot 2017.07-00158-g2395e99858 (Jul 18 2017 - 21:03:31 +0200)
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Model: Theobroma Systems RK3368-uQ7 SoM
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DRAM: 2 GiB
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MMC: dwmmc@ff0c0000: 1, dwmmc@ff0f0000: 0
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Using default environment
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In: serial@ff180000
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Out: serial@ff180000
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Err: serial@ff180000
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Net:
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Warning: ethernet@ff290000 (eth0) using random MAC address - d2:69:35:7e:d0:1e
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eth0: ethernet@ff290000
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Hit any key to stop autoboot: 2
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