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Wi-Fi® Link Controller Linux® User Guide

Introduction

This user guide describes how to run Wi-Fi on the ATWILC1000 SD card or the ATWILC3000 Shield board on the

SAMA5D4 Xplained Ultra running with the Linux® kernel 5.4.

Notes: All references to the ATWILC module includes all the devices listed below unless otherwise noted:

• ATWILC1000

• ATWILC3000

The source codes are maintained on GitHub. For latest source codes, see GitHub Linux for ATWILC at github.com/

linux4sam/linux-at91/tree/master/drivers/staging/wilc1000.

Figure 1. ATWILC1000 SD Card and ATWILC3000 Shield Board

Table of Contents

Introduction.....................................................................................................................................................1

1. Prerequisites........................................................................................................................................... 4

2. Building Linux for SAMA5D4 Xplained Ultra Board.................................................................................5

2.1. Cloning a Kernel Source and Root File System...........................................................................5

2.2. Loading SAMA5D4 Configuration File..........................................................................................5

2.3. Buildroot File System and Linux Kernel....................................................................................... 6

2.4. Building Linux Kernel Individually.................................................................................................7

3. Building and Flashing the System Image into the SAMA5D2 Xplained Ultra Board............................... 8

3.1. Build Binaries form Source code..................................................................................................8

3.2. Creating an Image for SAMA5D2_Xplained to Boot using eMMC............................................. 12

3.3. Install the Demo Image on the SAMA5D2 Xplained eMMC.......................................................14

3.4. Initializing the WILC Device........................................................................................................15

4. Building and Flashing the System Image into the SAMA5D3 Xplained Board......................................16

4.1. Download the Demo Package....................................................................................................16

4.2. Building the component..............................................................................................................16

4.3. Flashing the Package to SAMA5D3 Board................................................................................ 17

4.4. Booting the SAMA5D3 Xplained Board......................................................................................18

4.5. Initializing the WILC Device........................................................................................................19

5. Building and Flashing the System Image into the SAMA5D27-SOM1-EK1..........................................20

5.1. Buildroot..................................................................................................................................... 20

5.2. Configuring the Buildroot............................................................................................................21

5.3. Customize Buildroot by Adding Additional Modules...................................................................21

5.4. Building SD Card Image.............................................................................................................25

5.5. Flashing the SD Card Image Using Etcher................................................................................ 25

5.6. Booting Up the Board ................................................................................................................ 27

5.7. Initializing the WILC Device........................................................................................................27

5.8. WILC Support for Desired Kernel Version..................................................................................27

6. Updating Binary and System Image into the Target Board................................................................... 29

7. Updating ATWILC Firmware..................................................................................................................31

7.1. ATWILC1000 and ATWILC3000 Driver Modules........................................................................31

7.2. ATWILC1000 and ATWILC3000 Firmware Binaries...................................................................31

8. Running ATWILC...................................................................................................................................32

8.1. Accessing the Console...............................................................................................................32

8.2. Recognizing ATWILC1000......................................................................................................... 32

8.3. Recognizing ATWILC3000......................................................................................................... 34

8.4. Modifying Configuration Files.....................................................................................................36

8.5. Running in the ATWILC Station Mode........................................................................................38

8.6. Running in the ATWILC AP Mode.............................................................................................. 40

8.7. Running in the ATWILC P2P Mode............................................................................................41

8.8. Supported Modes with Concurrency.......................................................................................... 43

8.9. Powersave .................................................................................................................................45

8.10. Antenna Switching......................................................................................................................46

8.11. Debug Logs ............................................................................................................................... 47

8.12. Monitor Mode............................................................................................................................. 48

8.13. Miscellaneous Linux Topics........................................................................................................48

8.14. Running ATWILC3000 in Bluetooth Mode..................................................................................51

9. Document Revision History...................................................................................................................57

The Microchip Website.................................................................................................................................59

Product Change Notification Service............................................................................................................59

Customer Support........................................................................................................................................ 59

Microchip Devices Code Protection Feature................................................................................................59

Legal Notice................................................................................................................................................. 59

Trademarks.................................................................................................................................................. 60

Quality Management System....................................................................................................................... 60

Worldwide Sales and Service.......................................................................................................................61