PROCESSOR-SDK-AM62X: fast boot related information

Hi

I think I found some key information, but does this apply to SDK9.02 version?

software-dl.ti.com/.../How_to_boot_quickly.html

Hi

I must use uart_uniflash.py to flash image? Our hardware does not have a reserved uart boot mode

I used the following command to burn the image, refer to default_sbl_emmc_linux_hs_fs.cfg, and did not see the print information when booting from emmc

Am I doing something wrong?

root@AM62x:~# time dd if=sbl_emmc_linux_stage1_am62x-sk_r5fss0-0_nortos_ti-arm-clang.tiimage of=/dev/mmcblk0boot0 bs=1k seek=0
252+1 records in
252+1 records out
258338 bytes (258 kB, 252 KiB) copied, 0.0419568 s, 6.2 MB/s
real 0m 0.04s
user 0m 0.00s
sys 0m 0.00s
root@AM62x:~# time dd if=sbl_emmc_linux_stage2_am62x-sk_r5fss0-0_nortos_ti-arm-clang.appimage.hs_fs of=/dev/mmcblk0boot0 bs=1k seek=512
109+1 records in
109+1 records out
112255 bytes (112 kB, 110 KiB) copied, 0.0185385 s, 6.1 MB/s
real 0m 0.02s
user 0m 0.00s
sys 0m 0.00s

yu chen said:

root@AM62x:~# time dd if=sbl_emmc_linux_stage1_am62x-sk_r5fss0-0_nortos_ti-arm-clang.tiimage of=/dev/mmcblk0boot0 bs=1k seek=0

This is GP image. If you are using HSFS device type, you would have to flash the corresponding HSFS images identified by the extensions (*.hs_fs.tiimage, *.appimage.hs_fs) in the MCU+ SDK.

BR, Prashant

Hi

I just realized the problem. It is possible to boot using the hs image in prebuilt, but the following error message will be prompted

U-Boot SPL 2023.04-ga9edd29852 (Aug 01 2024 - 11:29:44 +0800)

SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.7--v09.02.07 (Kool Koala)')

SPL initial stack usage: 13408 bytes

Trying to boot from MMC2

Authentication passed

Authentication passed

Authentication passed

Authentication passed

Starting ATF on ARM64 core...

NOTICE: BL31: v2.10.0(release):v2.10.0-367-g00f1ec6b87-dirty

NOTICE: BL31: Built : 16:09:05, Feb 9 2024 U-Boot SPL 2023.04-ga9edd29852 (Aug 01 2024 - 11:31:17 +0800) SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.7--v09.02.07 (Kool Koala)') SPL initial stack usage: 1856 bytes Trying to boot from MMC2 Authentication passed Authentication passed SYSFW Firmware Version 9.2.7--v09.02.07 (Kool Koala) SYSFW Firmware revision 0x9 SYSFW ABI revision 3.1 Some tests have failed!!

By the way, I would like to ask how to calculate the offset of linux.appimage.hs_fs --operation=flash-emmc --flash-offset=0xC00000?
/dev/mmcblk0boot0 = 4MB, /dev/mmcblk0boot1 = 4MB, so the 0xC00000 offset is burned in /dev/mmcblk0p1?

Hi，

The spi on our hardware only has 16MB, which does not meet this requirement; does it require at least 32MB to support this method?