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DESK-MX8M-L/Peripherals/PCI express

1,411 bytes added, 16:17, 15 February 2023
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[ 270.903519] sd 0:0:0:0: [sda] Attached SCSI removable disk
root@desk-mx8mp:~#
</pre>
 
===Accessing the peripheral in MITO 8M Mini===
 
====Linux messages at boot time====
 
PCIe driver initialized:
 
<pre class="workstation-terminal">
...
...
[ 2.364397] ehci-pci: EHCI PCI platform driver
[ 2.380502] ohci-pci: OHCI PCI platform driver
[ 4.461654] imx6q-pcie 33800000.pcie: 33800000.pcie supply epdev_on not found, using dummy regulator
[ 4.471168] imx6q-pcie 33800000.pcie: PLL REF_CLK is used!.
[ 4.506703] imx6q-pcie 33800000.pcie: PCIe PLL locked after 20 us.
[ 4.517649] imx6q-pcie 33800000.pcie: host bridge /soc@0/pcie@33800000 ranges:
[ 4.531013] imx6q-pcie 33800000.pcie: IO 0x1ff80000..0x1ff8ffff -> 0x00000000
[ 4.543292] imx6q-pcie 33800000.pcie: MEM 0x18000000..0x1fefffff -> 0x18000000
[ 4.658183] imx6q-pcie 33800000.pcie: Link up
[ 4.664394] imx6q-pcie 33800000.pcie: Link up
[ 4.674502] imx6q-pcie 33800000.pcie: Link up, Gen1
[ 4.679511] imx6q-pcie 33800000.pcie: PCI host bridge to bus 0000:00
[ 4.873948] pcieport 0000:00:00.0: PME: Signaling with IRQ 225
[ 4.880604] pcieport 0000:00:00.0: AER: enabled with IRQ 225
...
...
</pre>
 
Check which are the devices connected to the PCIe.
 
<pre class="workstation-terminal">
root@desk-mx8mm:~# lspci
00:00.0 PCI bridge: Synopsys, Inc. DWC_usb3 (rev 01)
01:00.0 Network controller: Intel Corporation Wireless 7260 (rev bb)
</pre>
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