请问IMX8MM如何开启coresight

liunian

访问设备路径，没有coresight

liunian

root@okmx8mm:/sys/bus# ls -al
total 0
drwxr-xr-x 37 root root 0 Jun 20  2019 .
dr-xr-xr-x 13 root root 0 Jan  1  1970 ..
drwxr-xr-x  4 root root 0 Jun 20  2019 amba
drwxr-xr-x  4 root root 0 Jun 20  2019 cec
drwxr-xr-x  4 root root 0 Jun 20  2019 clockevents
drwxr-xr-x  4 root root 0 Jun 20  2019 clocksource
drwxr-xr-x  4 root root 0 Jun 20  2019 container
drwxr-xr-x  4 root root 0 Jun 20  2019 cpu
drwxr-xr-x  4 root root 0 Jun 20  2019 edac
drwxr-xr-x  4 root root 0 Jun 20  2019 event_source
drwxr-xr-x  4 root root 0 Jun 20  2019 gpio
drwxr-xr-x  4 root root 0 Jun 20  2019 hid
drwxr-xr-x  4 root root 0 Jun 20  2019 i2c
drwxr-xr-x  4 root root 0 Jun 20  2019 iio
drwxr-xr-x  4 root root 0 Jun 20  2019 mdio_bus
drwxr-xr-x  4 root root 0 Jun 20  2019 media
drwxr-xr-x  4 root root 0 Jun 20  2019 mipi-dsi
drwxr-xr-x  4 root root 0 Jun 20  2019 mmc
drwxr-xr-x  4 root root 0 Jun 20  2019 node
drwxr-xr-x  4 root root 0 Jun 20  2019 nvmem
drwxr-xr-x  5 root root 0 Jun 20  2019 pci
drwxr-xr-x  4 root root 0 Jun 20  2019 pci_express
drwxr-xr-x  4 root root 0 Jun 20  2019 platform
drwxr-xr-x  4 root root 0 Jun 20  2019 pnp
drwxr-xr-x  4 root root 0 Jun 20  2019 rpmsg
drwxr-xr-x  4 root root 0 Jun 20  2019 scsi
drwxr-xr-x  4 root root 0 Jun 20  2019 sdio
drwxr-xr-x  4 root root 0 Jun 20  2019 serial
drwxr-xr-x  4 root root 0 Jun 20  2019 serio
drwxr-xr-x  4 root root 0 Jun 20  2019 soc
drwxr-xr-x  4 root root 0 Jun 20  2019 spi
drwxr-xr-x  4 root root 0 Jun 20  2019 spmi
drwxr-xr-x  4 root root 0 Jun 20  2019 usb
drwxr-xr-x  4 root root 0 Jun 20  2019 virtio
drwxr-xr-x  4 root root 0 Jun 20  2019 workqueue
drwxr-xr-x  4 root root 0 Jun 20  2019 xen
drwxr-xr-x  4 root root 0 Jun 20  2019 xen-backend

w_y_y

liunian 发表于 2023-9-27 15:08
root@okmx8mm:/sys/bus# ls -al
total 0
drwxr-xr-x 37 root root 0 Jun 20  2019 .

这个有对应的驱动，您需要配置一下
驱动配置路径如下：OK8MM-linux-sdk/OK8MM-linux-kernel/arch/arm64/configs/defconfig