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Linux/TDA2EVM5777: When booting from SPI, there are some problems below. How to solve it? Please help me!

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Part Number:TDA2EVM5777

Tool/software: Linux

1. When booting from SPI, I first used SD boot to entry the U-Boot prompt ,and did as the picture(processors.wiki.ti.com/.../Processor_SDK_Linux_Automotive_Software_Developers_Guide

2. set the SW2+SW3+SW5 below:

3. POWER ON again, the UART stdout is:

U-Boot SPL 2016.05-dirty (Oct 24 2017 - 23:15:21)
DRA752-GP ES2.0
** First descriptor is NOT a primary desc on 1:1 **
Trying to boot from SPI
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid GPT ***
GUID Partition Table Header signature is wrong: 0x0 != 0x5452415020494645
part_get_info_efi: *** ERROR: Invalid Backup GPT ***
cannot find partition: 'environment'                        //   stop run from here

What are the problems and how to do to solve these problems? Thanks.


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