TDA4 Boot Flow

TDA4 启动流程

TDA4的启动流程相对复杂一些。本篇文章尽可能将经常遇到的一些问题记录在这里。 通常启动方案有两种。spl 或者SBL。

Boot media

SD

eMMC

OSPI

SPL boot 方案

linux的bootloader 的标准方案。

SBL 方案

TI 自己的bootloader
BOOT APP
mcusw/mcal_drv/docs/drv_docs/demo_boot_app_mcu_rtos_top.html

https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/07_03_00_07/exports/docs/pdk_jacinto_07_03_00_29/docs/userguide/jacinto/family_cfg/jacinto/index_boot_jacinto.html

https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/07_03_00_07/exports/docs/mcusw/mcal_drv/docs/drv_docs/mcusw_c_ug_top.html#mcusw_run_sbl_j721e

OSPI Boot and Flash

1. OSPI FLASH https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/07_03_00_07/exports/docs/mcusw/mcal_drv/docs/drv_docs/mcusw_c_ug_top.html#mcusw_run_sbl_j721e_ospi
2. OSPI guide

Security Boot

RTOS Secure Boot User Guide
Linux Secure Boot User Guide
TIFS Security Guide
TI System Controller Interface (TISCI) User Guide

Q&A

TDA4VM: How can I confirm primary and secondary boot mode on custom board

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/950946/faq-tda4vm-how-can-i-confirm-primary-and-secondary-boot-mode-on-custom-board