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Diffstat (limited to 'doc/board/ti/j721e_evm.rst')
| -rw-r--r-- | doc/board/ti/j721e_evm.rst | 271 |
1 files changed, 58 insertions, 213 deletions
diff --git a/doc/board/ti/j721e_evm.rst b/doc/board/ti/j721e_evm.rst index 46244197f3..f4b4c192d9 100644 --- a/doc/board/ti/j721e_evm.rst +++ b/doc/board/ti/j721e_evm.rst @@ -29,161 +29,91 @@ specific processing cores and peripherals: More info can be found in TRM: http://www.ti.com/lit/pdf/spruil1 +Platform information: + +* https://www.ti.com/tool/J721EXSOMXEVM +* https://www.ti.com/tool/SK-TDA4VM + Boot Flow: ---------- Boot flow is similar to that of AM65x SoC and extending it with remoteproc support. Below is the pictorial representation of boot flow: -.. code-block:: text - - +------------------------------------------------------------------------+-----------------------+ - | DMSC | MCU R5 | A72 | MAIN R5/C66x/C7x | - +------------------------------------------------------------------------+-----------------------+ - | +--------+ | | | | - | | Reset | | | | | - | +--------+ | | | | - | : | | | | - | +--------+ | +-----------+ | | | - | | *ROM* |----------|-->| Reset rls | | | | - | +--------+ | +-----------+ | | | - | | | | : | | | - | | ROM | | : | | | - | |services| | : | | | - | | | | +-------------+ | | | - | | | | | *R5 ROM* | | | | - | | | | +-------------+ | | | - | | |<---------|---|Load and auth| | | | - | | | | | tiboot3.bin | | | | - | | | | +-------------+ | | | - | | | | : | | | - | | | | : | | | - | | | | : | | | - | | | | +-------------+ | | | - | | | | | *R5 SPL* | | | | - | | | | +-------------+ | | | - | | | | | Load | | | | - | | | | | sysfw.itb | | | | - | | Start | | +-------------+ | | | - | | System |<---------|---| Start | | | | - | |Firmware| | | SYSFW | | | | - | +--------+ | +-------------+ | | | - | : | | | | | | - | +---------+ | | Load | | | | - | | *SYSFW* | | | system | | | | - | +---------+ | | Config data | | | | - | | |<--------|---| | | | | - | | | | +-------------+ | | | - | | | | | DDR | | | | - | | | | | config | | | | - | | | | +-------------+ | | | - | | | | | Load | | | | - | | | | | tispl.bin | | | | - | | | | +-------------+ | | | - | | | | | Load R5 | | | | - | | | | | firmware | | | | - | | | | +-------------+ | | | - | | |<--------|---| Start A72 | | | | - | | | | | and jump to | | | | - | | | | | DM fw image | | | | - | | | | +-------------+ | | | - | | | | | +-----------+ | | - | | |---------|-----------------------|---->| Reset rls | | | - | | | | | +-----------+ | | - | | TIFS | | | : | | - | |Services | | | +-------------+ | | - | | |<--------|-----------------------|---->|*TF-A/OP-TEE*| | | - | | | | | +-------------+ | | - | | | | | : | | - | | | | | +-----------+ | | - | | |<--------|-----------------------|---->| *A72 SPL* | | | - | | | | | +-----------+ | | - | | | | | | Load | | | - | | | | | | u-boot.img| | | - | | | | | +-----------+ | | - | | | | | : | | - | | | | | +-----------+ | | - | | |<--------|-----------------------|---->| *U-Boot* | | | - | | | | | +-----------+ | | - | | | | | | prompt | | | - | | | | | +-----------+ | | - | | | | | | Load R5 | | | - | | | | | | Firmware | | | - | | | | | +-----------+ | | - | | |<--------|-----------------------|-----| Start R5 | | +-----------+ | - | | |---------|-----------------------|-----+-----------+-----|----->| R5 starts | | - | | | | | | Load C6 | | +-----------+ | - | | | | | | Firmware | | | - | | | | | +-----------+ | | - | | |<--------|-----------------------|-----| Start C6 | | +-----------+ | - | | |---------|-----------------------|-----+-----------+-----|----->| C6 starts | | - | | | | | | Load C7 | | +-----------+ | - | | | | | | Firmware | | | - | | | | | +-----------+ | | - | | |<--------|-----------------------|-----| Start C7 | | +-----------+ | - | | |---------|-----------------------|-----+-----------+-----|----->| C7 starts | | - | +---------+ | | | +-----------+ | - | | | | | - +------------------------------------------------------------------------+-----------------------+ +.. image:: img/boot_diagram_j721e.svg - Here DMSC acts as master and provides all the critical services. R5/A72 requests DMSC to get these services done as shown in the above diagram. Sources: -------- -1. Trusted Firmware-A: - Tree: https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/ - Branch: master - -2. OP-TEE: - Tree: https://github.com/OP-TEE/optee_os.git - Branch: master - -3. U-Boot: - Tree: https://source.denx.de/u-boot/u-boot - Branch: master -4. TI Linux Firmware: - Tree: git://git.ti.com/processor-firmware/ti-linux-firmware.git - Branch: ti-linux-firmware +.. include:: k3.rst + :start-after: .. k3_rst_include_start_boot_sources + :end-before: .. k3_rst_include_end_boot_sources Build procedure: ---------------- -1. Trusted Firmware-A: +0. Setup the environment variables: -.. code-block:: bash +.. include:: k3.rst + :start-after: .. k3_rst_include_start_common_env_vars_desc + :end-before: .. k3_rst_include_end_common_env_vars_desc - $ make CROSS_COMPILE=aarch64-linux-gnu- ARCH=aarch64 PLAT=k3 \ - TARGET_BOARD=generic SPD=opteed +.. include:: k3.rst + :start-after: .. k3_rst_include_start_board_env_vars_desc + :end-before: .. k3_rst_include_end_board_env_vars_desc -2. OP-TEE: +Set the variables corresponding to this platform: +.. include:: k3.rst + :start-after: .. k3_rst_include_start_common_env_vars_defn + :end-before: .. k3_rst_include_end_common_env_vars_defn .. code-block:: bash - $ make PLATFORM=k3-j721e CFG_ARM64_core=y + $ export UBOOT_CFG_CORTEXR=j721e_evm_r5_defconfig + $ export UBOOT_CFG_CORTEXA=j721e_evm_a72_defconfig + $ export TFA_BOARD=generic + $ # we dont use any extra TFA parameters + $ unset TFA_EXTRA_ARGS + $ export OPTEE_PLATFORM=k3-j721e + $ # we dont use any extra OP-TEE parameters + $ unset OPTEE_EXTRA_ARGS + +.. j721e_evm_rst_include_start_build_steps + +1. Trusted Firmware-A: + +.. include:: k3.rst + :start-after: .. k3_rst_include_start_build_steps_tfa + :end-before: .. k3_rst_include_end_build_steps_tfa + + +2. OP-TEE: + +.. include:: k3.rst + :start-after: .. k3_rst_include_start_build_steps_optee + :end-before: .. k3_rst_include_end_build_steps_optee 3. U-Boot: * 4.1 R5: -.. code-block:: bash - - $ make j721e_evm_r5_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- \ - BINMAN_INDIRS=<path/to/ti-linux-firmware> +.. include:: k3.rst + :start-after: .. k3_rst_include_start_build_steps_spl_r5 + :end-before: .. k3_rst_include_end_build_steps_spl_r5 * 4.2 A72: -.. code-block:: bash - - $ make j721e_evm_a72_defconfig - $ make CROSS_COMPILE=aarch64-linux-gnu- \ - BL31=<path/to/trusted-firmware-a/dir>/build/k3/generic/release/bl31.bin \ - TEE=<path/to/optee_os/dir>/out/arm-plat-k3/core/tee-raw.bin \ - BINMAN_INDIRS=<path/to/ti-linux-firmware> +.. include:: k3.rst + :start-after: .. k3_rst_include_start_build_steps_uboot + :end-before: .. k3_rst_include_end_build_steps_uboot +.. j721e_evm_rst_include_end_build_steps Target Images -------------- -Copy the below images to an SD card and boot: +In order to boot we need tiboot3.bin, sysfw.itb, tispl.bin and u-boot.img. +Each SoC variant (GP, HS-FS and HS-SE) requires a different source for these +files. - GP @@ -203,77 +133,17 @@ Copy the below images to an SD card and boot: Image formats: -------------- -- tiboot3.bin: +- tiboot3.bin -.. code-block:: text - - +-----------------------+ - | X.509 | - | Certificate | - | +-------------------+ | - | | | | - | | R5 | | - | | u-boot-spl.bin | | - | | | | - | +-------------------+ | - | | | | - | | FIT header | | - | | +---------------+ | | - | | | | | | - | | | DTB 1...N | | | - | | +---------------+ | | - | +-------------------+ | - +-----------------------+ +.. image:: img/no_multi_cert_tiboot3.bin.svg - tispl.bin -.. code-block:: text - - +-----------------------+ - | | - | FIT HEADER | - | +-------------------+ | - | | | | - | | A72 TF-A | | - | +-------------------+ | - | | | | - | | A72 OP-TEE | | - | +-------------------+ | - | | | | - | | R5 DM FW | | - | +-------------------+ | - | | | | - | | A72 SPL | | - | +-------------------+ | - | | | | - | | SPL DTB 1...N | | - | +-------------------+ | - +-----------------------+ +.. image:: img/dm_tispl.bin.svg - sysfw.itb -.. code-block:: text - - +-----------------------+ - | | - | FIT HEADER | - | +-------------------+ | - | | | | - | | sysfw.bin | | - | +-------------------+ | - | | | | - | | board config | | - | +-------------------+ | - | | | | - | | PM config | | - | +-------------------+ | - | | | | - | | RM config | | - | +-------------------+ | - | | | | - | | Secure config | | - | +-------------------+ | - +-----------------------+ +.. image:: img/sysfw.itb.svg R5 Memory Map: -------------- @@ -342,32 +212,7 @@ addresses. Flash layout for OSPI: -.. code-block:: text - - 0x0 +----------------------------+ - | ospi.tiboot3(512K) | - | | - 0x80000 +----------------------------+ - | ospi.tispl(2M) | - | | - 0x280000 +----------------------------+ - | ospi.u-boot(4M) | - | | - 0x680000 +----------------------------+ - | ospi.env(128K) | - | | - 0x6A0000 +----------------------------+ - | ospi.env.backup (128K) | - | | - 0x6C0000 +----------------------------+ - | ospi.sysfw(1M) | - | | - 0x7C0000 +----------------------------+ - | padding (256k) | - 0x800000 +----------------------------+ - | ospi.rootfs(UBIFS) | - | | - +----------------------------+ +.. image:: img/ospi_sysfw.svg Firmwares: ---------- |