AM3358: Booting from SD Card

Mert Samast1

Prodigy 120 points

Part Number: AM3358

Hello,

I have a card that I designed.

I use th AM3358.

I want to load the kernel with SD Card.

When I press the SD Card boot button, I see the only "CCCCCC" in the terminal.

Picture is below.

What should I do for loading the kernel boot?

Am I right way?

Thanks,

Best regards,

Mert

over 4 years ago

0 Kallikuppa Sreenivasa over 4 years ago

TI__Guru**** 228185 points

Hello Mert,

Thank you for the query.

Have you had a chance to test the same on an EVM ?

Have you had a chance to verify that the interface on the board is configured as required.

Regards,

Sreenivasa

0 Mert Samast1 over 4 years ago in reply to Kallikuppa Sreenivasa

Prodigy 120 points

Hello,

Thank you for your reply.

I do not have a chance to test the same on an EVM.

I configured my boot sequence that;

SYSBOOT[4:0] = 01111b

Thanks,

Mert

0 Kallikuppa Sreenivasa over 4 years ago in reply to Mert Samast1

TI__Guru**** 228185 points

Hello Mert,

Thanks. Can you please check the SD card interface related circuit.

Regards,

Sreenivasa

0 Mert Samast1 over 4 years ago in reply to Kallikuppa Sreenivasa

Prodigy 120 points

Hello,

When I take-off the my SD card, "CCCC" characters keep coming.

When I put in the SD Card, "CCCC" charcters takes 3-4 seconds.

I think my SD card interface is correct.

Thanks,

Mert

0 Hong Guan64 over 4 years ago in reply to Mert Samast1

TI__Guru* 78710 points

Hello,
Some pointers on SW development using AM335x Linux SDK is the Link
software-dl.ti.com/.../index.html
software-dl.ti.com/.../Foundational_Components_U-Boot.html
Best,
-Hong

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AM3358: Booting from SD Card