From fa14fa71f7d432ae564edac55f24f50b371a14df Mon Sep 17 00:00:00 2001 From: Igor Opaniuk Date: Wed, 12 Feb 2020 17:14:29 +0200 Subject: doc: board: verdin-imx8mm: convert readme to reST Convert README to reStructuredText format. Signed-off-by: Igor Opaniuk Reviewed-by: Oleksandr Suvorov Reviewed-by: Bin Meng Tested-by: Bin Meng [bmeng: spell out U-Boot correctly] Signed-off-by: Bin Meng --- doc/board/toradex/index.rst | 1 + doc/board/toradex/verdin-imx8mm.rst | 112 ++++++++++++++++++++++++++++++++++++ 2 files changed, 113 insertions(+) create mode 100644 doc/board/toradex/verdin-imx8mm.rst (limited to 'doc/board') diff --git a/doc/board/toradex/index.rst b/doc/board/toradex/index.rst index aa418d6..6cd2ade 100644 --- a/doc/board/toradex/index.rst +++ b/doc/board/toradex/index.rst @@ -7,3 +7,4 @@ Toradex :maxdepth: 2 colibri_imx7 + verdin-imx8mm diff --git a/doc/board/toradex/verdin-imx8mm.rst b/doc/board/toradex/verdin-imx8mm.rst new file mode 100644 index 0000000..b2ae4fa --- /dev/null +++ b/doc/board/toradex/verdin-imx8mm.rst @@ -0,0 +1,112 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +Verdin iMX8M Mini Module +======================== + +Quick Start +----------- + +- Build the ARM trusted firmware binary +- Get the DDR firmware +- Build U-Boot +- Flash to eMMC +- Boot + +Get and Build the ARM Trusted Firmware (Trusted Firmware A) +----------------------------------------------------------- + +.. code-block:: bash + + $ echo "Downloading and building TF-A..." + $ git clone -b imx_4.14.98_2.3.0 \ + https://source.codeaurora.org/external/imx/imx-atf + $ cd imx-atf + +Please edit ``plat/imx/imx8mm/include/platform_def.h`` so it contains proper +values for UART configuration and BL31 base address (correct values listed +below): + +.. code-block:: bash + + #define BL31_BASE 0x910000 + #define IMX_BOOT_UART_BASE 0x30860000 + #define DEBUG_CONSOLE 1 + +Then build ATF (TF-A): + +.. code-block:: bash + + $ make PLAT=imx8mm bl31 + +Get the DDR Firmware +-------------------- + +.. code-block:: bash + + $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.4.1.bin + $ chmod +x firmware-imx-8.4.1.bin + $ ./firmware-imx-8.4.1.bin + $ cp firmware-imx-8.4.1/firmware/ddr/synopsys/lpddr4*.bin ./ + +Build U-Boot +------------ +.. code-block:: bash + + $ export CROSS_COMPILE=aarch64-linux-gnu- + $ make verdin-imx8mm_defconfig + $ make flash.bin + +Flash to eMMC +------------- + +.. code-block:: bash + + > tftpboot ${loadaddr} flash.bin + > setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt ${blkcnt} / 0x200 + > mmc dev 0 1 && mmc write ${loadaddr} 0x2 ${blkcnt} + +As a convenience, instead of the last two commands one may also use the update +U-Boot wrapper: + +.. code-block:: bash + + > run update_uboot + +Boot +---- + +ATF, U-Boot proper and u-boot.dtb images are packed into FIT image, +which is loaded and parsed by SPL. + +Boot sequence is: + +* SPL ---> ATF (TF-A) ---> U-Boot proper + +Output: + +.. code-block:: bash + + U-Boot SPL 2020.01-00187-gd411d164e5 (Jan 26 2020 - 04:47:26 +0100) + Normal Boot + Trying to boot from MMC1 + NOTICE: Configuring TZASC380 + NOTICE: RDC off + NOTICE: BL31: v2.0(release):rel_imx_4.14.98_2.3.0-0-g09c5cc994-dirty + NOTICE: BL31: Built : 01:11:41, Jan 25 2020 + NOTICE: sip svc init + + + U-Boot 2020.01-00187-gd411d164e5 (Jan 26 2020 - 04:47:26 +0100) + + CPU: Freescale i.MX8MMQ rev1.0 at 0 MHz + Reset cause: POR + DRAM: 2 GiB + MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2 + Loading Environment from MMC... OK + In: serial + Out: serial + Err: serial + Model: Toradex Verdin iMX8M Mini Quad 2GB Wi-Fi / BT IT V1.0A, Serial: + Net: eth0: ethernet@30be0000 + Hit any key to stop autoboot: 0 + Verdin iMX8MM # -- cgit v1.1