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PROCESSOR-SDK-J722S: OSPI flash boot issue

Part Number: PROCESSOR-SDK-J722S

Tool/software:

Hi,TI Experts:

I have been following the Processor SDK Linux for J722S 10_01_00 Guide for booting Linux from ospi.

3.1.1.7. OSPI/QSPI NOR/NAND — Processor SDK J722S Documentation

Steps followed

1.sw2[0] = 0

2.enter the following commands in u-boot ,

Following commands can be used to download tiboot3.bin, tispl.bin and u-boot.img over tftp,It's work fine for me.

3.dip switches changed to boot from OSPI,as show below

SW3[1:8] = 1101 0000 and SW4[1:8] = 0000 0000

refer to the  Table 5-4,the following table:

4.reboot TI evm board(hardware reset SW5)

5.there is not any log ibformation to output for my linux terminal

Can you please help to solve the error(above setp5)? 

Regards

Maojiang