This is a bootloader example, which shows an example of booting Linux on A53 core and RTOS/NORTOS applications on DM R5 and M4 cores.
The booting is done in 2 stages(2 bootloader applications).
The SBL uses 6 appimages
Parameter | Value |
---|---|
CPU + OS | r5fss0-0 nortos |
Toolchain | ti-arm-clang |
Board | am62x-sk |
Example folder | examples/drivers/boot/sbl_ospi_linux_multistage |
sbl_ospi_nand_linux.tiimage
.config.mak
${SDK_INSTALL_PATH}/examples/drivers/boot/sbl_ospi_linux_multistage/sbl_ospi_linux_stage2/am62x-sk/{cpu}_{os}/default_sbl_ospi_linux.cfg
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/examples/drivers/boot/sbl_ospi_linux_multistage/sbl_ospi_linux_stage2/am62x-sk/r5fss0-0_nortos/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/examples/drivers/boot/sbl_ospi_linux_multistage/sbl_ospi_linux_stage2/am62x-sk/r5fss0-0_nortos/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)
DMSC Firmware Version 8.4.7--v08.04.07 (Jolly Jellyfi DMSC Firmware revision 0x8 DMSC ABI revision 3.1 [BOOTLOADER_PROFILE] Boot Media : SPI FLASH [BOOTLOADER_PROFILE] Boot Media Clock : 200.000 MHz [BOOTLOADER_PROFILE] Boot Image Size : 148 KB [BOOTLOADER_PROFILE] Cores present : m4f0-0 r5f0-0 [BOOTLOADER PROFILE] System_init : 28173us [BOOTLOADER PROFILE] Drivers_open : 93us [BOOTLOADER PROFILE] Board_driversOpen : 23716us [BOOTLOADER PROFILE] Sciclient Get Version : 10113us [BOOTLOADER PROFILE] App_loadImages : 25181us [BOOTLOADER_PROFILE] SBL Total Time Taken : 137785us Image loading done, switching to application ... Starting MCU-m4f and 2nd stage bootloader DMSC Firmware Version 8.4.7--v08.04.07 (Jolly Jellyfi DMSC Firmware revision 0x8 DMSC ABI revision 3.1 [BOOTLOADER_PROFILE] Boot Media : SPI FLASH [BOOTLOADER_PROFILE] Boot Media Clock : 200.000 MHz [BOOTLOADER_PROFILE] Boot Image Size : 853 KB [BOOTLOADER_PROFILE] Cores present : hsm-m4f0-0 r5f0-0 a530-0 [BOOTLOADER PROFILE] System_init : 2698us [BOOTLOADER PROFILE] Drivers_open : 100us [BOOTLOADER PROFILE] Board_driversOpen : 23604us [BOOTLOADER PROFILE] Sciclient Get Version : 10165us [BOOTLOADER PROFILE] App_loadImages : 215us [BOOTLOADER PROFILE] App_loadSelfcoreImage : 67330us [BOOTLOADER_PROFILE] SBL Total Time Taken : 461619us Image loading done, switching to application ... Starting linux and RTOS/Baremetal applications NOTICE: BL31: v2.7(release):v2.7.0-dirty NOTICE: BL31: Built : 16:38:50, Sep 8 2022 I/TC: I/TC: OP-TEE version: 3.17.0-125-g15a746d28 (gcc version 9.2.1 20191025 (GNU Toolchain for the A-profile Architecture 9.2-2019.12 (arm-9.10))) #1 Thu Sep 8 16:42:29 UTC 2022 aarch64 I/TC: Primary CPU initializing I/TC: SYSFW ABI: 3.1 (firmware rev 0x0008 '8.4.7--v08.04.07 (Jolly Jellyfi') I/TC: HUK Initialized I/TC: Primary CPU switching to normal world boot U-Boot SPL 2021.01-gb8840490a1 (Sep 08 2022 - 16:42:45 +0000) SYSFW ABI: 3.1 (firmware rev 0x0008 '8.4.7--v08.04.07 (Jolly Jellyfi') Trying to boot from SPI . . . . . . _____ _____ _ _ | _ |___ ___ ___ ___ | _ |___ ___ |_|___ ___| |_ | | _| .'| . | . | | __| _| . | | | -_| _| _| |__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_| |___| |___| Arago Project http://arago-project.org am64xx-evm ttyS2 Arago 2020.09 am62xx-evm ttyS2 am62xx-evm login: