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b40c9b0c22
Add the initial board support for the NXP i.MX93 FRDM board: https://www.nxp.com/design/design-center/development-boards-and-designs/frdm-i-mx-93-development-board:FRDM-IMX93 Based on the NXP U-Boot code. There were attempts to upstream the board devicetree, but it has not been accepted upstream yet: https://lore.kernel.org/linux-arm-kernel/20250526-fpg-nxp-imx93-frdm-v2-2-e5ad0efaec33@pengutronix.de/ Once it reaches upstream, we can switch to OF_UPSTREAM. Signed-off-by: Fabio Estevam <festevam@gmail.com> Reviewed-by: Peng Fan <peng.fan@nxp.com>
76 lines
1.8 KiB
ReStructuredText
76 lines
1.8 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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imx93_frdm
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==========
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U-Boot for the NXP i.MX93 FRDM board
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Quick Start
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-----------
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- Get and Build the ARM Trusted firmware
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- Get the DDR firmware
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- Get ahab-container.img
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- Build U-Boot
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- Boot from the SD card
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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: lf_v2.8
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.. code-block:: bash
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$ unset LDFLAGS
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$ make PLAT=imx93 bl31
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$ cp build/imx93/release/bl31.bin $(srctree)
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Get the DDR firmware
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--------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.21.bin
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$ chmod +x firmware-imx-8.21.bin
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$ ./firmware-imx-8.21.bin
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$ cp firmware-imx-8.21/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
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Get ahab-container.img
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----------------------
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.. code-block:: bash
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-sentinel-0.11.bin
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$ chmod +x firmware-sentinel-0.11.bin
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$ ./firmware-sentinel-0.11.bin
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$ cp firmware-sentinel-0.11/mx93a1-ahab-container.img $(srctree)
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Build U-Boot
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------------
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.. code-block:: bash
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$ export CROSS_COMPILE=aarch64-poky-linux-
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$ make imx93_frdm_defconfig
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$ make
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Copy the flash.bin binary to the MicroSD card at offset 32KB:
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.. code-block:: bash
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$ dd if=flash.bin of=/dev/sd[x] bs=1k seek=32; sync
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Boot from the SD card
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---------------------
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- Configure SW1 boot switches to SD boot mode:
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0011 SW1[3:0] - ("USDHC2 4-bit SD3.0" Boot Mode)
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- Insert the SD card in the SD slot (P13) of the board.
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- Connect a USB Type-C cable into the P16 Debug USB Port and connect
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using a terminal emulator at 115200 bps, 8n1. The console will show up
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at /dev/ttyACM0.
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- Power on the board by connecting a USB Type-C cable into the P1
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Power USB Port.
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