NXP Semiconductors Androidi.MX 8M Mini Manuale utente

1 Overview

This document guides you through the processes of

downloading and running this release package. It only

explains how to download and run the default release image

with default configuration. For details on using the release

package, see the Android™ User's Guide (AUG) included in

this release package.

2 Hardware Requirements

The hardware requirements for using this release package are

as follows:

Supported system-on-chips (SoCs):

• i.MX 8M Mini

• i.MX 8M Quad

• i.MX 8QuadXPlus

• i.MX 8M Nano

Supported boards:

• EVK board and Platform

• MEK board and Platform

• AIY board and Platform

NXP Semiconductors Document Number: AQSUG

Rev. P9.0.0_2.3.0, 08/2019

Android™ Quick Start Guide

Contents

1 Overview....................................................................1

2 Hardware Requirements............................................ 1

3 Working with the i.MX 8M Mini EVK

Board......................................................................... 2

4 Working with the i.MX 8M Quad AIY

Board......................................................................... 9

5 Working with the i.MX 8QuadXPlus

MEK Board............................................................. 14

6 Working with the i.MX 8M Nano Board................ 19

7 Revision History......................... ............................ 26

3 Working with the i.MX 8M Mini EVK Board

3.1 Board hardware

The figures below show the different components of the i.MX 8M Mini EVK board.

Figure 1. i.MX 8M Mini EVK board

Working with the i.MX 8M Mini EVK Board

Android™ Quick Start Guide, Rev. P9.0.0_2.3.0, 08/2019

2 NXP Semiconductors

Figure 2. i.MX 8M Mini EVK with audio board

Figure 3. i.MX 8M Mini SAS cable with DSI-to-HDMI adapter

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NXP Semiconductors 3

Figure 4. i.MX MIPI panel

Figure 5. i.MX MIPI camera

NOTE

• To test the MIPI-DSI to HDMI display, use the i.MX mini SAS cable to connect

the DSI-to-HDMI adapter to the "HDMI DSI" port.

• To test the MIPI panel display, conect the i.MX MIPI panel to the "HDMI DSI"

port.

• To test the camera, connect the i.MX CSI MIPI Camera to the "Camera" port.

• The QCOM 1PJ Wi-Fi/Bluetooth module is used on the i.MX 8M Mini EVK

LPDDR4 Board.

• The BCM 1MW Wi-Fi/Bluetooth module is used on the i.MX 8M Mini EVK

DDR4 Board.

Working with the i.MX 8M Mini EVK Board

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4 NXP Semiconductors

3.2 Board images

The table below describes the location in the board partitions of the software images in

android_p9.0.0_2.3.0_image_8mmevk.tar.gz.

Table 1. Board images

Image name Download target

u-boot-imx8mm.imx 33 KB offset of MMC for a board with LPDDR4 on it.

u-boot-imx8mm-ddr4.imx 33 KB offset of MMC for a board with DDR4 on it.

u-boot-imx8mm-trusty.imx 33 KB offset of MMC for a board with LPDDR4 on it.

u-boot-imx8mm-evk-uuu.imx Bootloader used by UUU for the i.MX 8M Mini board with

LPDDR4 on it. It is not flashed to MMC.

u-boot-imx8mm-ddr4-evk-uuu.imx Bootloader used by UUU for the i.MX 8M Mini board with

DDR4 on it. It is not flashed to MMC.

imx8mm_mcu_demo.img 5120 KB offset of MMC.

partition-table.img 0 offset of MMC. If the actually size of the SD card is larger

than 13 GB, use the default partition-table.img.

partition-table-7GB.img 0 offset of MMC. If the actually size of the SD card is larger

than 7 GB, use this image as partition-table.img.

partition-table-28GB.img 0 offset of MMC. If the actually size of the SD card is larger

than 28 GB, use this image as partition-table.img.

boot.img boot_a and boot_b partitions.

vbmeta-imx8mm.img vbmeta_a and vbmeta_b partitions to support LPDDR4 and

MIPI-to-HDMI output and Direct Stream Digital (DSD)

playback.

vbmeta-imx8mm-ddr4.img vbmeta_a and vbmeta_b partitions to support DDR4 and

MIPI-to-HDMI output.

vbmeta-imx8mm-m4.img vbmeta_a and vbmeta_b partitions to support LPDDR4,

MIPI-to-HDMI output, and audio playback based on Cortex-

M4 FreeRTOS.

vbmeta-imx8mm-mipi-panel.img vbmeta_a and vbmeta_b partitions to support LPDDR4 and

MIPI panel output.

system.img system_a and system_b partitions.

vendor.img vendor_a and vendor_b partitions.

dtbo-imx8mm.img dtbo_a and dtbo_b paritions to support LPDDR4, MIPI-to-

HDMI output, and DSD playback.

dtbo-imx8mm-ddr4.img dtbo_a and dtbo_b paritions to support DDR4 and MIPI-to-

HDMI output.

dtbo-imx8mm-m4.img dtbo_a and dtbo_b paritions to support LPDDR4, MIPI-to-

HDMI output, and audio playback based Cortex-M4

FreeRTOS.

dtbo-imx8mm-mipi-panel.img dtbo_a and dtbo_b paritions to support LPDDR4 and MIPI

panel output.

3.3 Flashing board images

The board image files can be flashed into the target board using Universal Update Utility (UUU).

Working with the i.MX 8M Mini EVK Board

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NXP Semiconductors 5

For the UUU binary file, download it from github: uuu release page on github.

To achieve more flexibility, two script files are provided to invoke UUU to automatically flash all Android images.

• uuu_imx_android_flash.sh for Linux OS

• uuu_imx_android_flash.bat for Windows OS

For this release, these two scripts are validated on UUU 1.2.135 version. Download corresponding version from github:

• For Linux OS, download the file named "uuu".

• For Windows OS, download the file named "uuu.exe".

Because the two script files direclty invoke UUU, make sure that UUU is in a path contained by the system environment

variable of "PATH".

Perform the following steps to download the board images:

1. Download the UUU binary file from github as described before. Install UUU into a directory contained by the system

environment variable of "PATH".

2. Make the board enter serial download mode.

• For Rev. B boards, change the first two bits of board's sw1101 to 10 (from 1-2 bit) to enter serial download

mode.

• For Rev. C boards, change the first four bits of board's sw1101 to 1010 (from 1-4 bit) to enter serial download

mode.

3. Power on the board. Use the USB cable on the board OTG port to connect your PC with the board.

4. Decompress release_package/android_p9.0.0_2.3.0_image_8mmevk.tar.gz, which contains the image files and

uuu_imx_android_flash tool.

5. Execute the uuu_imx_android_flash tool to flash images.

The uuu_imx_android_flash tool can be executed with options to get help information and specify the images to be

flashed. For i.MX 8M Mini board, related options are described as follows

Table 2. Options for uuu_imx_android_flash

tool

Option Description

-h Displays the help information of this tool.

-f soc_name Specifies the SoC information. For i.MX 8M Mini, it should be "imx8mm".

This option is mandatory.

-a Only flashes slot a. If this option and "-b" option are not used, slots a and

b are both flashed.

-b Only flashes slot b. If this option and "-a" option are not used, slots a and

b are both flashed.

-c card_size Specifies which partition table image file to flash. For i.MX 8M Mini, it can

be followed with "7" or "28". If this option is not used, default "partition-

table.img" is flashed.

-m Flashes MCU image. If this option is not used, MCU image is not

flashed.

-d

dev

Specifies some images with "dev" in its name. For i.MX 8M Mini, it can

be "m4", "mipi-panel", "ddr4". If this option is not used, default dtbo and

vbmeta images are flashed.

-e Erases user data after images are flashed.

-tos Flashes the U-Boot image with Trusty OS integrated into it.

-D

directory

Specifies the directory in which there are the images to be flashed. If this

option is not used, images in the current working directory are flashed.

Table continues on the next page...

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Table 2. Options for uuu_imx_android_flash tool

(continued)

Option Description

-t target_dev Specifies the target device. For i.MX 8M Mini, it can be "emmc" and "sd".

If this option is not used, images are flashed to eMMC.

-daemon Run UUU in Daemon mode. This option is used to flash multiple boards

of the same type.

-i If the script is executed with this option, no images will be flashed. The

script loads U-Boot to RAM and executes to fastboot mode. this option is

used for development.

Obviously, "-m" and "-d m4" should be used together.

• On Linux system, open the shell terminal. For example, you can execute a command as follows:

> sudo ./uuu_imx_android_flash.sh -f imx8mm -a -e -tos

• On Windows system, open the command line interface in administrator mode. The corresponding command is as

follows:

> .\uuu_imx_android_flash.bat -f imx8mm -a -tos

When the command above is executed, the default images will be flashed into eMMC slot a for i.MX 8M Mini.

NOTE

• To flash the SD card, execute the tool with "-t sd". To flash eMMC, it does

not need to use -t option.

• If your SD card is 16 GB or the on-board eMMC is used as the boot device, it

does not need to use -c option.

• If your SD card is 32 GB, execute the tool with "-c 28".

• If your SD card is 8 GB, execute the tool with "-c 7".

• To test the image with Trusty OS, execute the tool with "-tos".

• To test MIPI-DSI to HDMI output with LPDDR4 on board, it does not need

to use -d option.

• To test MIPI-DSI to HDMI output with DDR4 on board, execute the tool

with "-d ddr4".

• To test MIPI panel output with LPDDR4 on board, execute the tool with "-d

mipi-panel".

• To test MIPI-to-HDMI output and audio playback based on Cortex-M4

FreeRTOS with LPDDR4 on board, execute the tool with "-m" and "-d m4".

• uuu_imx_android_flash.bat generates a temporary file under the current

working directory. Make sure you have Write permission under the current

working directory.

• The -tos mode only works for eMMC boot.

• If uuu_imx_android_flash.bat is used to flash images on a remote server

through samba, you need to map the remote resource to the local environment

first. Take the following command as an example:

> net use z: \\10.193.108.179\daily_images

"z" in the command represents an available drive letter. It can be other

available drive letter.

6. Wait for the uuu_imx_android_flash execution to complete. If there is not any error, you will get information on the

command window indicating that images are already flashed.

7. Power off the board.

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NXP Semiconductors 7

8. Change boot device as eMMC or SD card.

For Rev. B boards:

• Change sw1101 to 01110010 and change sw1102 to 00101010 if you want to boot from eMMC.

• Change sw1101 to 01000110 and change sw1102 to 00110100 if you want to boot from SD card.

For Rev. C boards:

• Change sw1101 to 0110110010 and change sw1102 to 0001101000 if you want to boot from SD card.

3.4 Booting

After downloading the images, reboot the board using the power on/off switch.

3.4.1 Booting with Single MIPI-to-HDMI or MIPI panel display

In the U-Boot prompt, set the U-Boot environment variables as follows:

• i.MX 8M Mini EVK LPDDR4 Board:

U-Boot > setenv bootargs console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200

init=/init androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale

cma=800M androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware

transparent_hugepage=never androidboot.wifivendor=qca androidboot.wificountrycode=CN

loop.max_part=7

U-Boot > saveenv

• i.MX 8M Mini EVK DDR4 Board:

U-Boot > setenv bootargs console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200

init=/init androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale

cma=800M androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware

transparent_hugepage=never androidboot.wifivendor=bcm androidboot.wificountrycode=CN

loop.max_part=7

U-Boot > saveenv

With the settings above, the Android platform does not start the shell console. To disable selinux, append

"androidboot.selinux=permissive" to the U-Boot's bootargs. Boot environment variables are as follows:

U-Boot > setenv append_bootargs androidboot.selinux=permissive

U-Boot > saveenv

3.4.2 Booting with Single MIPI-to-HDMI display and audio playback

based on Cortex-M4 FreeRTOS

In the U-Boot prompt, set the U-Boot environment variables as follows:

• i.MX 8M Mini EVK LPDDR4 Board:

U-Boot > setenv bootargs console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200

init=/init androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale

cma=800M androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware

transparent_hugepage=never androidboot.wifivendor=qca androidboot.wificountrycode=CN

loop.max_part=7

U-Boot > setenv bootcmd "bootmcu && boota mmc0" # for SD boot

U-Boot > setenv bootcmd "bootmcu && boota mmc1" # for emmc boot

U-Boot > saveenv

• i.MX 8M Mini EVK DDR4 Board:

Working with the i.MX 8M Mini EVK Board

Android™ Quick Start Guide, Rev. P9.0.0_2.3.0, 08/2019

8 NXP Semiconductors

U-Boot > setenv bootargs console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200

init=/init androidboot.console=ttymxc1 consoleblank=0 androidboot.hardware=freescale

cma=800M androidboot.primary_display=imx-drm firmware_class.path=/vendor/firmware

transparent_hugepage=never androidboot.wifivendor=bcm androidboot.wificountrycode=CN

loop.max_part=7

U-Boot > setenv bootcmd "bootmcu && boota mmc0" # for SD boot

U-Boot > saveenv

NOTE

To use other boot images, do not add "bootmcu" to "bootcmd". The following command

can recover bootcmd:

U-Boot > setenv bootcmd "boota mmc0" # for SD boot

U-Boot > setenv bootcmd "boota mmc1" # for emmc boot

U-Boot > saveenv

With the settings above, the Android platform does not start the shell console. To disable selinux, append

"androidboot.selinux=permissive" to the U-Boot's bootargs. Boot environment variables are as follows:

U-Boot > setenv append_bootargs androidboot.selinux=permissive

U-Boot > saveenv

3.5 Board reboot

After you have completed download and setup, reboot the board and wait for the Android platform to boot up.

Figure 6. Android Pie image

4Working with the i.MX 8M Quad AIY Board

Working with the i.MX 8M Quad AIY Board

Android™ Quick Start Guide, Rev. P9.0.0_2.3.0, 08/2019

NXP Semiconductors 9

4.1 Board hardware

This i.MX 8MQuad AIY board is idential with the Google Coral Dev Board for local AI. Mendel Linux system is maintained

by Google based on this board. For more info about the Google Coral Dev Board, visist coral.withgoogle.com/.

NXP has enabled Android system on the i.MX 8M Quad AIY board. This document provides the software features of the

Android system running on this board and its basic hardware information.

The figures below show the different components of the i.MX 8M Quad AIY board.

Figure 7. i.MX 8M Quad AIY board

4.2 Board images

The table below describes the location in the board partitions of the software images in

android_p9.0.0_2.3.0_image_8mqaiy.tar.gz.

Working with the i.MX 8M Quad AIY Board

Android™ Quick Start Guide, Rev. P9.0.0_2.3.0, 08/2019

10 NXP Semiconductors

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