EPC-R7300

Linux BSP Version

Ubuntu 20.04
Kernel 5.10.104

Released Image

• OS Support List(based on Ubuntu20)

Build Environment on Host

Currently, we adopt Docker as build environment.
You can get the latest version of advrisc/u18.04-imx8lbv1 Docker image for developing nVidia jetson projects.
Docker command:

$ docker pull advrisc/u18.04-imx8lbv1

Run Docker example

Step1 Run docker container (example)

sudo docker run -it --name jetson_linux_risc -v /home/bsp/myLinux:/home/adv/BSP:rw --privileged advrisc/u18.04-imx8lbv1:latest /bin/bash

Step2 In container, change the user. (example)

adv@7cc0fa834366:~$ sudo chown adv:adv -R BSP

Dependncy Library

Please install library in the HOST outside of docker if you get Exec format error.

$sudo apt-get install qemu-user-static

Getting Linux Source Code

$ export GIT_SSL_NO_VERIFY=1

$ cd ~/BSP
$ mkdir jetson_linux_risc
$ cd jetson_linux_risc
$ git config --global user.name "Your Name"
$ git config --global user.email you@example.com

Jetpack 5.1.1 / L4T 35.3.1

(1) repo current xml file:

$ repo init -u https://AIM-Linux@dev.azure.com/AIM-Linux/risc_nvidia_jetson_35.3.1/_git/manifest -m epcr7300.xml
$ repo sync

(2) repo tag version xml file:

$ repo init -u https://AIM-Linux@dev.azure.com/AIM-Linux/risc_nvidia_jetson_35.3.1/_git/manifest -m nvUBV20006.xml
$ repo sync

Build Image

$ sudo ./scripts/build_release.sh -v <VERSION>

 

 

Flash Image

Press the SW1 button and power on EPC-R7300.

Or enter following command in the device.

$ sudo reboot --force forced-recovery

Connect a linux OS host wired EPC-R7300 with usb-otg cable.
In the Host PC, make sure the EPC-R7300 (NVidia Corp) has detectd.

[ubuntu@linux 11:55:43 ~]$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 072: ID 174c:2362 ASMedia Technology Inc. ASM236X series
Bus 001 Device 073: ID 05ac:12a8 Apple, Inc. iPhone5/5C/5S/6
Bus 001 Device 074: ID 0955:7623 NVIDIA Corp. APX
Bus 001 Device 003: ID 0bda:0169 Realtek Semiconductor Corp. Mass Storage Device

For Jackpack 5.1.1:

1.Extracted tarball file

$  sudo tar -zxvf 7300A1AIM35UIVXXXXXX.tgz
$ cd Linux_for_Tegra

2. Flash

(1) To flash QSPI + NVME SSD:

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml -p "-c bootloader/t186ref/cfg/flash_t234_qspi.xml" --showlogs --network usb0 jetson-orin-epcr7300-a1 internal

(2) To flash only QSPI:

$ sudo ./flash.sh --no-systemimg -c bootloader/t186ref/cfg/flash_t234_qspi.xml jetson-orin-epcr7300-a1 mmcblk0p1

(3) To flash only NVMe SSD (Need to flash QSPI first):

$ sudo ./tools/kernel_flash/l4t_initrd_flash.sh --external-only --external-device nvme0n1p1 -c tools/kernel_flash/flash_l4t_external.xml --showlogs --network usb0 jetson-orin-epcr7300-a1 internal