J721EXCPXEVM: PCIe Host controller

vignesh baskaran

Prodigy 50 points

Part Number: J721EXCPXEVM
Other Parts Discussed in Thread: J721EXSOMXEVM

Hi,

We currently working on PCIe J721EXSOMXEVM + J721EXPCP01EVM Standard board.

But we were unable to see PCIe 1 & PCIe 2.

root@j7-evm:~# lspci
00:00.0 Class 0604: 104c:b00d

But we believe we should see PCIe 1 & PCIe 2. But we were only able to see PCIe0.

Reference we took.

We Want to interface with SSD M.2 so we kept Switch Sw3.5 & sw3.6 are '0'.

Do we need to change any pinmux or other configuration to see PCIe 1 & PCIe 2 ?.

Thanks

- Vignesh

over 3 years ago

0 vignesh baskaran over 3 years ago

Prodigy 50 points

HI,

Anyone Have any idea on this issue?

Thanks

-vignesh

0 vignesh baskaran over 3 years ago in reply to vignesh baskaran

Prodigy 50 points

Hi,

we tried in SDk 7.3, We can able to see three PCIe ports. Please refer below image.

But in case of SDK 8.2 & 8.4 version i only see one port. Is this can be overcome? if so, How can i do that?

0 jian35385 over 3 years ago in reply to vignesh baskaran

TI__Mastermind 23125 points

Vignesh,

Please use /usr/sbin/lspci -vv command instead. you should see the three root ports - two slots on the top of the EVM, and one M.2 slot on the bottom.

Additionally, if you have any devices plugged into these slots, you should see "Link up" messages in the boot log.

regards

jian

0 jian35385 over 3 years ago in reply to vignesh baskaran

TI__Mastermind 23125 points

Vignesh,

Please use /usr/sbin/lspci -vv command instead. you should see the three root ports - two slots on the top of the EVM, and one M.2 slot on the bottom.

Additionally, if you have any devices plugged into these slots, you should see "Link up" messages in the boot log.

regards

jian

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J721EXCPXEVM: PCIe Host controller