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https://source.denx.de/u-boot/u-boot.git
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5b6dba2924
signed_hdmi_imx8m.bin is already signed and has a IVT header. It should not be put in u-boot-spl-mkimage.signed.bin. Move it to head of flash.bin following NXP imx-mkimage. Keeping it in u-boot-spl-mkimage.signed.bin also consumes a lot of TCM space which is not expected. While moving it to head of flash.bin, other changes are required, u-boot.itb is put at sector 768 per defconfig, so u-boot.itb binman offset should be updated and it should be moved out from binman section. Also binman symbol address are updated, so need to subtract u-boot-spl image_pos + CONFIG_SPL_TEXT_BASE to find the correct location of ddr phy firmware. Because there is 1KB padding in HDMI firmware, use 32KB when burning flash.bin to sd card. Signed-off-by: Peng Fan <peng.fan@nxp.com>
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1.2 KiB
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57 lines
1.2 KiB
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.. SPDX-License-Identifier: GPL-2.0+
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imx8mq_evk
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==========
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U-Boot for the NXP i.MX8MQ EVK board
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Quick Start
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-----------
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- Build the ARM Trusted firmware binary
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- Get ddr and hdmi fimware
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- Build U-Boot
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- Boot
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Get and Build the ARM Trusted firmware
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--------------------------------------
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Note: srctree is U-Boot source directory
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Get ATF from: https://github.com/nxp-imx/imx-atf
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branch: imx_5.4.47_2.2.0
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.. code-block:: bash
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$ make PLAT=imx8mq bl31
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$ cp build/imx8mq/release/bl31.bin $(builddir)
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Get the ddr and hdmi firmware
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-----------------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin
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$ chmod +x firmware-imx-8.9.bin
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$ ./firmware-imx-8.9.bin
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$ cp firmware-imx-8.9/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $(builddir)
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$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)
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Build U-Boot
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------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx8mq_evk_defconfig
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$ make
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Burn the flash.bin to MicroSD card offset 32KB:
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.. code-block:: bash
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$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
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Boot
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----
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Set Boot switch SW801: 1100 and Bmode: 10 to boot from Micro SD.
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