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Diffstat (limited to 'doc/board/kontron/sl-mx8mm.rst')
| -rw-r--r-- | doc/board/kontron/sl-mx8mm.rst | 76 |
1 files changed, 62 insertions, 14 deletions
diff --git a/doc/board/kontron/sl-mx8mm.rst b/doc/board/kontron/sl-mx8mm.rst index f022e0979b..702db60fe3 100644 --- a/doc/board/kontron/sl-mx8mm.rst +++ b/doc/board/kontron/sl-mx8mm.rst @@ -9,7 +9,7 @@ with an i.MX8M-Mini SoC, 1/2/4 GB LPDDR4 RAM, SPI NOR, eMMC and PMIC. The matching evaluation boards (Board-Line, BL) have two Ethernet ports, USB 2.0, HDMI/LVDS, SD card, CAN, RS485, RS232 and much more. -The OSM-S i.MX8MM is compliant to the Open Standard Module (OSM) 1.0 +The OSM-S i.MX8MM is compliant to the Open Standard Module (OSM) 1.1 specification, size S (https://sget.org/standards/osm). Quick Start @@ -20,25 +20,38 @@ Quick Start - Build U-Boot - Boot +.. note:: + + To build on a x86-64 host machine, you need a GNU cross toolchain for the + target architecture (aarch64). Check your distros package manager or + download and install the necessary tools (``aarch64-linux-gnu-*``) manually. + Get and Build the Trusted Firmware-A (TF-A) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Note: builddir is U-Boot build directory (source directory for in-tree builds) - There are two sources for the TF-A. Mainline and NXP. Get the one you prefer (support and features might differ). +.. note:: + + If you are using GCC 12 and you get compiler/linker errors, try to add the + following arguments to your make command as workaround: + ``CFLAGS="-Wno-array-bounds" LDFLAGS="--no-warn-rwx-segments"`` + **NXP's imx-atf** -1. Get TF-A from: https://source.codeaurora.org/external/imx/imx-atf, branch: imx_5.4.70_2.3.0 -2. Apply the patch to select the correct UART for the console, otherwise the TF-A will lock up during boot. -3. Build +1. Get TF-A from: https://github.com/nxp-imx/imx-atf, branch: lf_v2.6 +2. Build .. code-block:: bash - $ make PLAT=imx8mm bl31 + $ make PLAT=imx8mm CROSS_COMPILE=aarch64-linux-gnu- IMX_BOOT_UART_BASE="0x30880000" bl31 $ cp build/imx8mm/release/bl31.bin $(builddir) +.. note:: + + *builddir* is U-Boot's build directory (source directory for in-tree builds) + **Mainline TF-A** 1. Get TF-A from: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/, tag: v2.4 @@ -54,10 +67,13 @@ Get the DDR firmware .. code-block:: bash - $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.9.bin - $ chmod +x firmware-imx-8.9.bin - $ ./firmware-imx-8.9.bin - $ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir) + $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.18.bin + $ chmod +x firmware-imx-8.18.bin + $ ./firmware-imx-8.18.bin + $ cp firmware-imx-8.18/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem.bin $(builddir) + $ cp firmware-imx-8.18/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem.bin $(builddir) + $ cp firmware-imx-8.18/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem.bin $(builddir) + $ cp firmware-imx-8.18/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem.bin $(builddir) Build U-Boot ^^^^^^^^^^^^ @@ -65,9 +81,9 @@ Build U-Boot .. code-block:: bash $ make kontron-sl-mx8mm_defconfig - $ make + $ make CROSS_COMPILE=aarch64-linux-gnu- -Burn the flash.bin to SD card at an offset of 33 KiB: +Copy the flash.bin to SD card at an offset of 33 KiB: .. code-block:: bash @@ -76,7 +92,39 @@ Burn the flash.bin to SD card at an offset of 33 KiB: Boot ^^^^ -Put the SD card in the slot on the board and apply power. +Put the SD card in the slot on the board and apply power. Check the serial +console for output. + +Flash the Bootloader to SPI NOR +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +1. Determine and note the exact size of the ``flash.bin`` image in bytes (e.g. + by running ``ls -l flash.bin``) + +2. On the U-Boot CLI copy the bootloader from SD card to RAM: + + .. code-block:: + + mmc dev 1 + mmc read $loadaddr 0x42 0x1000 + +3. Erase the SPI NOR flash: + + .. code-block:: + + sf probe + sf erase 0x0 0x200000 + +4. Copy the bootloader from RAM to SPI NOR. For the last parameter of the + command, use the size determined in step 1 in **hexadecimal notation**: + + .. code-block:: + + sf write $loadaddr 0x400 0x13B6F0 + +.. note:: + + To be able to boot from SPI NOR the OTP fuses need to be set accordingly. Further Information ------------------- |