This is a bootloader example, which shows an example of booting Linux on A53 core and RTOS/NORTOS applications on WKUP R5, MCU R5 cores.
The booting is done in 2 stages(2 bootloader applications).
The SBL uses 5 appimages
Refer SBL Booting Linux From OSPI for more details on the OSPI boot loader.
In order to boot faster,
Parameter | Value |
---|---|
CPU + OS | wkup-r5fss0-0 nortos |
Toolchain | ti-arm-clang |
Board | am62px-sk |
Example folder | examples/drivers/boot/sbl_ospi_linux_multistage |
config.mak
${SDK_INSTALL_PATH}/tools/boot/sbl_prebuilt/am62px-sk/default_sbl_ospi_linux.cfg
# 2nd stage bootloader with DM is flashed at 0x80000 or to whatever offset your bootloader is configured for --file=../../examples/drivers/boot/sbl_ospi_linux_multistage/sbl_ospi_linux_stage2/am62px-sk/wkup-r5fss0-0_freertos/ti-arm-clang/sbl_ospi_linux_stage2.release.appimage --operation=flash --flash-offset=0x80000
default_sbl_ospi_linux.cfg
shown above.C:/ti/mcu_plus_sdk
and this example and IPC application is built using makefiles, and Linux Appimage is already created, in Windows, cd C:/ti/mcu_plus_sdk/tools/boot python uart_uniflash.py -p COM13 --cfg=C:/ti/mcu_plus_sdk/tools/boot/sbl_prebuilt/am62px-sk/default_sbl_ospi_linux.cfg
~/ti/mcu_plus_sdk
cd ~/ti/mcu_plus_sdk python uart_uniflash.py -p /dev/ttyUSB0 --cfg=~/ti/mcu_plus_sdk/tools/boot/sbl_prebuilt/am62px-sk/default_sbl_ospi_linux.cfg
After flashing and booting the EVM, you will see below output on the UART console (Complete log is not shown)
[BOOTLOADER_PROFILE] Boot Media : FLASH [BOOTLOADER_PROFILE] Boot Media Clock : 166.667 MHz [BOOTLOADER_PROFILE] Boot Image Size : 180 KB [BOOTLOADER_PROFILE] Cores present : wkup-r5f0-0 [BOOTLOADER PROFILE] System_init : 38923us [BOOTLOADER PROFILE] Drivers_open : 0us [BOOTLOADER PROFILE] SBL Drivers_open : 150us [BOOTLOADER PROFILE] Board_driversOpen : 10us [BOOTLOADER PROFILE] SBL Board_driversOpen : 21978us [BOOTLOADER PROFILE] App_loadSelfcoreImage : 5611us [BOOTLOADER_PROFILE] SBL Total Time Taken : 66674us Image loading done, switching to application ... Starting 2nd stage bootloader [BOOTLOADER_PROFILE] Boot Media : FLASH [BOOTLOADER_PROFILE] Boot Media Clock : 166.667 MHz [BOOTLOADER_PROFILE] Boot Image Size : 853 KB [BOOTLOADER_PROFILE] Cores present : hsm-m4f0-0 mcu-r5f0-0 a530-0 [BOOTLOADER PROFILE] System_init : 2305us [BOOTLOADER PROFILE] Board_init : 0us [BOOTLOADER PROFILE] SciserverInit : 16144us [BOOTLOADER PROFILE] SBL Drivers_open : 359us [BOOTLOADER PROFILE] SBL Board_driversOpen : 22009us [BOOTLOADER PROFILE] App_loadImages : 1829us [BOOTLOADER PROFILE] App_loadMCUImages : 3521us [BOOTLOADER PROFILE] App_loadLinuxImages : 19311us [BOOTLOADER_PROFILE] SBL Total Time Taken : 65479us Image loading done, switching to application ... Starting linux and RTOS/Baremetal applications NOTICE: BL31: v2.9(release):v2.9.0-dirty NOTICE: BL31: Built : 14:12:59, May 22 2023 U-Boot SPL 2023.04-g48c1296285 (Sep 14 2023 - 21:24:43 +0000) SYSFW ABI: 3.1 (firmware rev 0x0009 '9.0.6--w09.00.04-am62p (Kool Ko') Trying to boot from SPI Authentication passed Authentication passed U-Boot 2023.04-g48c1296285 (Sep 14 2023 - 21:24:43 +0000) SoC: AM62PX SR1.0 HS-FS Model: Texas Instruments AM62P5 SK DRAM: 2 GiB (effective 8 GiB) . . . . . . _____ _____ _ _ | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ | | _| .'| . | . | | __| _| . | | | -_| _| _| |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| |___| |___| Arago Project am62pxx-evm - Arago 2023.04 am62pxx-evm - am62pxx-evm login: