 New demo available for SAMA7G5-EK, SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP, SAM9X60 EK and SAM9X60 Curiosity boards. Based on updated components:
- Linux4Microchip based on Linux kernel 6.1.x (+ LTS maintenance updates up to v6.1.22)
- AT91Bootstrap 4.0.6 with support for loading OP-TEE
- U-Boot 2022.01 with support for Common Clock Framework for SAMA5D2 SoC, SPL for SAMA5D2 based boards no longer available, support for running under OP-TEE and various other fixes in Devicetree area, SDMMC, QSPI
- New version for Microchip Ensemble Graphics Toolkit
 (EGT) 1.7 and associated applications
- Yocto Project 4.0.9 (Kirkstone) with security LTS updates.
- Buildroot generated from 2022.02.5 LTS revision using buildroot external
- Support for OP-TEE for SAMA5D27 SOM1 EK board and dedicated pair of images built for running under OP-TEE
- Buildroot SDK generated and deployed with the release
- Yocto Project SDK generated and deployed with the release
New kernel features:
- Integration of stable kernel updates up to v6.1.22
- Runtime PM support for at_xdmac DMA driver
- System suspend/resume for at_xdmac DMA driver
- Fixes for at_xdmac DMA driver to avoid failure on DMA channels on system suspend/resume
- Runtime PM support for Microchip SPDIFTX driver
- System suspend/resume support for Microchip SPDIFTX driver
- Cleanups and improvements for Microchip SPDIFTX driver
- Runtime PM support for Microchip PDMC driver
- System suspend/resume support for Microchip PDMC driver
- Fix poc noises when starting capture for Microchip PDMC driver
- Runtime PM support for Microchip SPDIFRX driver
- System suspend/resume support for Microchip SPDIFRX driver
- Fix controls for Microchip SPDIFRX driver to avoid concurrency on hardware resources
- Cleanups and improvements for Microchip SPDIFRX driver
- Removed atmel-sdramc driver and handle the clocks on proper clock drivers
- Fix imbalanced reference counter on Ethernet device that made ULP modes to fail
- Runtime PM support on SPI driver
- Delay timer support on Microchip PIT64B driver
- Cleanups on pinctrl driver to avoid potential leaks and simplify code
- Support for line bias flags that have been implemented in gpio API for at91 pio4 pinctrl driver
- Support for push-pull configuration in at91 pio4 pinctrl driver
- Zero length message digest support for hmac in atmel-sha driver
- Detection of in-place operations with two sg lists in atmel-tdes and atmel-aes drivers
- Match cfb block size with generic implementation in atmel-aes driver
- Microchip ISC/XISC mainline compatible drivers
- Enable PAC1934 support on SAMA7G5-EK, SAMA5D2-ICP, SAM9X60-EK boards
- Fix PTP TX timestamp handling due to padding and improve PTP TX timestamp on MACB driver
- Enable PTP support on SAMA7G5
- Enable SAMA7G54 SiPs
New Yocto Project / Buildroot features:
- Yocto Project: Updated to the new LTS release 4.0.9 (Kirkstone)
- Buildroot release with security bump, 2022.02 LTS revision 2022.02.5
 : images for following boards are not generated: SAMA5D2 PTC EK, SAMA5D2 Xplained, SAMA5D3 Xplained, SAMA5D4 Xplained.
- However, no source code for these boards is removed
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
- NAND and eMMC media types were flashed using SAM-BA 3.5
Yocto Project SDK based on Linux4SAM 2023.04 release (Yocto Project 4.0.9 Kirkstone)
Buildroot SDK based on Linux4SAM 2023.04 release (Buildroot 2022.02.5)
And all goodies of previous Linux4SAM revisions!
New demo available for SAMA7G5-EK, SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP, SAM9X60 EK and SAM9X60 Curiosity boards. Based on updated components:
- Linux4Microchip based on Linux kernel 5.15.x(+ LTS maintenance updates up to v5.15.68)
- AT91Bootstrap 4.0.5 with support for loading OP-TEE
- U-Boot 2022.01 with new support for Common Clock Framework for SAMA5D2 SoC, SPL for SAMA5D2 based boards no longer available, support for running under OP-TEE and various other fixes in Device tree area, SDMMC, QSPI
- New version for Microchip Ensemble Graphics Toolkit (EGT) 1.5 and associated applications
- Yocto Project 4.0.3 (Kirkstone) with security LTS updates.
- Buildroot generated from 2022.02.5 LTS revision using buildroot external
- Support for OP-TEE for SAMA5D27 SOM1 EK board and dedicated pair of images built for running under OP-TEE
- Buildroot SDK generated and deployed with the release
New kernel features:
- Integration of stable kernel updates up to v5.15.68
- Enable RTT driver for SAM9x60 Curiosity
- Fix phylink suspend / resume on SAMA7G5
- Serial: enable GCLK usage for SoCs that support it to get better baud rate accuracy
- Improve thermal management calibration for SAMA7G5
- Backport of LAN93XX drivers from upstream
- Enable OP-TEE support for SAMA5D2 SoM1-EK
- DMA: convert HDMAC driver to use virt-dma
- Add support for MCP251xfd CAN driver
New Yocto Project / Buildroot features:
- Yocto Project: Updated to the new LTS release 4.0.3 (Kirkstone)
- Update Buildroot release with security bump, 2022.02 LTS revision 2022.02.5
: images for following boards are not generated: SAMA5D2 PTC EK, SAMA5D2 Xplained, SAMA5D3 Xplained, SAMA5D4 Xplained.
- However, no source code for these boards is removed
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
- NAND and eMMC media types were flashed using SAM-BA 3.5
Yocto Project SDK based on Linux4SAM 2022.10 release (Yocto Project 4.0.3 Kirkstone)
Buildroot SDK based on Linux4SAM 2022.10 release (Buildroot 2022.02.5)
And all goodies of previous Linux4SAM revisions!
New demo available for SAM9X60 Curiosity board. Based on updated components:
- Linux4Microchip based on Linux kernel 5.15.32
- Update to a new version AT91Bootstrap 4.0.4
- U-Boot 2022.01 with Optimized/Improved NAND driver supporting Device Model
- New version for Microchip Ensemble Graphics Toolkit (EGT) 1.4 and associated applications
- Yocto Project 3.1 (Dunfell) with security LTS updates
- Buildroot generated from 2022.02.1 LTS revision using buildroot external
Enhancements are added on top of the official v5.15 Linux kernel tag where most of the Microchip SoC features are already supported.
Here are the main additional enhancements:
- Addition of support for the new SAM9X60 Curiosity kit
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
- NAND and eMMC media types were flashed using SAM-BA 3.5
And all goodies of previous Linux4SAM revisions!
New demo available for SAMA7G5-EK, SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP and SAM9X60 EK boards. Based on updated components:
New kernel features:
- Update to a new LTS kernel version : 5.15
- Integration of stable kernel updates up to v5.15.32
- Addition of the new SAMA7G54 SoC as part of the SAMA7G5 family
- WILC: Update driver & firmware to 15.7 with WPA3 security support
- Add support for Sony imx274 camera sensor
- ISC driver moved to media controller paradigm for image acquisition pipeline (MIPI CSI-2)
- Support for External Interrupt Controller (EIC) available on SAMA7G5
- Add Dinamic and Voltage Scaling (DVFS) support with Operating Performance Points (OPP) for 90MHz, 250MHz, 600MHz, 800MHz, 1GHz frequencies for SAMA7G5
- Refactored clocks' suspend/resume
- Support for power management modes: WFI (standby), ULP0, ULP1, BSR for SAMA7G5
- Low power mode for on board crystal oscillators in ULP0 and ULP1 to reduce overall power consumption
- GEMAC support with RGMII and MII for SAMA7G5
- Fix GEMAC Wake On LAN on ulp0, ulp1 for SAMA7G5
- Increased PIT64B clockevent timer frequency to 5MHz for better timers resolution on
- CPU Idle support with minimized CPU frequency and DDRAM in self-refresh for SAMA7G5 family
- Use ADC reworked driver from mainline
- ADC support for reading temperature channel available on SAMA7G5
- Support for accessing memory backed by OTP controller (modeled as NVMEM driver) for SAMA7G5
- Thermal management support for SAMA7G5
- Add QSPI / Octal SPI driver for SAMA7G5 (Single, Dual, Quad, Octal DTR modes), tested with mx66lm1g45g
- Add NAND support for SAMA7G5 and test it with 29F4G08ABAEA
- Add support for mx66lm1g45g NOR Flash, implement byte swap to fix endianness in 8D-8D-8D(Octal DTR)
- Enable crypto engines on SAMA7G5: AES, TDES, SHA with same features as on sama5d2 SoC
- Cleanup and runtime PM support for atmel-rng driver
- Fix deadlocks on AT91 DMA driver
- Reset controller support for USB PHY on SAMA7G5
- Improve USB PHY clock handling when used by both Host and Device for SAMA7G5
- Add SAMA7G5 audio interfaces drivers: SPDIF-TX, SPDIF-RX, I2S, SCC
- Add Asynchronous Sample Rate Converter (ASRC) audio driver for SAMA7G5
- Implement microphone PDMC driver using DMA mode for SAMA7G5
- Enable CAN driver for SAMA7G5
New Yocto Project / Buildroot features:
- Yocto Project: Updated the LTS release to 3.1.15 (Dunfell)
- Moved to new Buildroot release, 2022.02 LTS revision 2022.02.1
- Yocto & Buildroot: Update CryptoAuthLib to 3.3.3
- Firmware version 15.7 for WILC3000 and WILC1000 Wi-Fi and Bluetooth together with all the required software components (wpa-supplicant, hostapd and more). For any questions check FAQ and Applications pages.
: images for following boards are not generated: SAMA5D2 PTC EK, SAMA5D2 Xplained, SAMA5D3 Xplained, SAMA5D4 Xplained.
- However, no source code for these boards is removed
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
- NAND and eMMC media types were flashed using SAM-BA 3.5
Yocto Project SDK based on Linux4SAM 2022.04 release (Yocto Project 3.1.15 Dunfell)
And all goodies of previous Linux4SAM revisions!
New demo available for SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP and SAM9X60 EK boards. Based on updated components:
New kernel features:
- Update to a new LTS kernel version : 5.10
- Integration of stable kernel updates up to v5.10.80
- WILC: Update driver & firmware to 15.6. Addition of WPA3 security support
- WILC: New power sequencing driver
- Addition of the new SAMA5D29 SoC as part of the SAMA5D2 family
- I2C: bus recovery mechanism and digital filter for SAMA5D2 ICP and SAMA5D27 SOM1 EK boards
- Crypto: Import enhancements from Linux Mainline. They fix corner cases for few cipher modes for the crypto drivers: AES(ECB, CBC, CFB, OFB, CTR, XTS) and DES(OFB) modes
New Yocto Project / Buildroot features:
- Yocto Project: Updated the LTS release to 3.1.12 (Dunfell)
- Moved to new Buildroot release, 2021.02 LTS revision 2021.02.7
- Firmware version 15.6 for WILC3000 and WILC1000 Wi-Fi and Bluetooth together with all the required software components (wpa-supplicant, hostapd and more). For any questions check FAQ and Applications pages.
: images for following boards are not generated: SAMA5D2 PTC EK, SAMA5D2 Xplained, SAMA5D3 Xplained, SAMA5D4 Xplained.
- However, no source code for these boards is removed
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
Demo Archive 2021.10 page
- NAND and SPI + eMMC media types were flashed using SAM-BA 3.5
And all goodies of previous Linux4SAM revisions!
New demo available for SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP and SAM9X60 EK boards. Based on updated components:
New kernel features:
- Update to a new LTS kernel version : 5.10
- Integration of stable kernel updates up to v5.10.80
- WILC: Update driver & firmware to 15.6. Addition of WPA3 security support
- WILC: New power sequencing driver
- Addition of the new SAMA5D29 SoC as part of the SAMA5D2 family
- I2C: bus recovery mechanism and digital filter for SAMA5D2 ICP and SAMA5D27 SOM1 EK boards
- Crypto: Import enhancements from Linux Mainline. They fix corner cases for few cipher modes for the crypto drivers: AES(ECB, CBC, CFB, OFB, CTR, XTS) and DES(OFB) modes
New Yocto Project / Buildroot features:
- Yocto Project: Updated the LTS release to 3.1.12 (Dunfell)
- Moved to new Buildroot release, 2021.02 LTS revision 2021.02.7
- Firmware version 15.6 for WILC3000 and WILC1000 Wi-Fi and Bluetooth together with all the required software components (wpa-supplicant, hostapd and more). For any questions check FAQ and Applications pages.
: images for following boards are not generated: SAMA5D2 PTC EK, SAMA5D2 Xplained, SAMA5D3 Xplained, SAMA5D4 Xplained.
- However, no source code for these boards is removed
Demo Images. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
Demo Archive 2021.10 page
- NAND and SPI + eMMC media types were flashed using SAM-BA 3.5
And all goodies of previous Linux4SAM revisions!
New demo available for SAM9X60 EK and all SAMA5 boards. Based on updated components:
- Linux kernel 5.10.x (+ LTS maintenance updates up to v5.10.50)
- AT91Bootstrap 4.0.0 . This new milestone for AT91Bootstrap completely changes the way booting can be customized.
- U-Boot 2021.04 with PDA screen detection at boot time, FIT image support and overlay support
- New version for Microchip Ensemble Graphics Toolkit (EGT) 1.2.1 and associated applications
- New version for WILC driver and firmware and jump to version 15.5
- Yocto Project 3.1 (Dunfell) with security LTS updates.
- Buildroot generated from 2021.02.3 LTS revision using buildroot external
- OpenWrt Linux operating system : 19.07.2 stable branch
- AWS GreenGrass is no longer part of Linux4SAM images
New kernel features:
- Update to a new LTS kernel version : 5.10
- Integration of stable kernel updates up to v5.10.50
- Update WILC driver & firmware to 15.5
- SOC: added SAM9x60 SiPs
- ISC: rework and separate pipeline between old and new hardware revisions
- Crypto engines:
- fix corner cases for atmel-aes XTS, ECB, CBC, CFB OFB and CTR modes
- fix corner cases for atmel-tdes ECB, CBC, CFB and OFB modes
- SPI-NOR: OTP support, global unlock support for microchip's sst26vf064b and fixes for non-uniform erase
- QSPI: disable IP at suspend time
- NAND: updated ecc_stats.corrected counter
- SPI: fix CS and initialization bug, reduce spinlock usage, switch to transfer_one() method
- SDHCI: add GPIO card detect support to improve power management
- USB device controller (gadget) : remove endpoints from device tree
- I2C: fix bus recovery mechanism for SAMA5D4
- I2S: fix usage of capture and playback at the same time
- PWM: atmel-tcb-pwm: switched to new bindings, fixed sama5d2 support, added atomic support, removed atmel-tclib
- PIT64: add suspend/resume support
- RTC: add correction support for SAMA5D2 and SAMA5D4
- MCP16502: add ramp delay support and fixes
New Yocto Project/Buildroot/OpenWrt features:
- Yocto Project: Updated the LTS release to 3.1.9 (Dunfell)
- Moved to new Buildroot release, 2021.02 LTS revision 2021.02.3
- Firmware version 15.5 for WILC3000 and WILC1000 Wi-Fi and Bluetooth together with all the required software components (wpa-supplicant, hostapd and more). For any questions check FAQ and Applications pages.
- Easier WiFi provisioning with updated Wifi and Bluetooth applications
: images for following boards are not generated: SAMA5D2 PTC EK
- However, no source code for these boards is removed
Demo Image for all boards. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
Demo Archive 2021.04 page
- NAND and SPI + eMMC media types were flashed using SAM-BA 3.5
Yocto Project SDK based on Linux4SAM 2021.04 release (Yocto Project 3.1.9 Dunfell)
And all goodies of previous Linux4SAM revisions!
New demo available for SAMA5D2 XPLAINED, SAMA5D27 SOM1 EK, SAMA5D27 WLSOM1 EK, SAMA5D2 ICP and SAM9X60 EK boards. Based on updated components:
- Linux kernel 5.4.x (+ LTS maintenance updates up to v5.4.81)
- AT91Bootstrap 3.10.2 with support for all SAM9X60-SiP variants
- U-Boot 2020.01 with PDA screen detection at boot time, FIT image support and overlay support
- New version for Microchip Ensemble Graphics Toolkit (EGT) 1.1 and associated applications
- Better performance due to more accurate damage regions
- Consolidation of sizer layout and rework of the grid layout
- Progress bars, now supports stop / resume
- New version for WILC driver and firmware and jump to version 15.4.1
- Better handling of SPI interface at low speed, better performance in SPI
- Fix suspend / resume function number in SDIO mode
- Better management of power sequence and DT power / reset specification
New kernel features:
- Integration of stable kernel updates up to v5.4.81
- Update WILC driver & firmware to 15.4.1
- QSPI: big performance improvement by using enhanced memory accesses (~ 4 x read speed improvement)
- ISC / Camera sensor: align with Mainline
- KSZ8563: Fix number of ports and convert to phylink
- Sam9x60: support for different System-In-Package (SiP) identifications
- Sam9x60: align clock sub-system with Mainline and add fractional PLL support
- Fix CAN message SRAM configuration
- Sama5d2: Fix securam accesses
New Yocto Project/Buildroot/OpenWrt features:
- Yocto Project: Updated the LTS release to 3.1.4 (Dunfell)
- Buildroot: Updated the LTS release to revision 2020.02.8
- Yocto & Buildroot: Update CryptoAuthLib to 3.2.5
- Yocto & Buildroot: Update Amazon Web Services GreenGrass core (AWS GG) to v1.11.0
- Ready to connect to AWS Cloud for all our sama5d2 based boards!
- Microchip Peripheral I/O Python Package: mpio move to revision 1.3, fully compatible with Python3
- Easier WiFi provisioning with updated Wifi and Bluetooth applications
: images for following boards are not generated: SAMA5D3 XPLAINED, SAMA5D4 XPLAINED, SAMA5D2 PTC EK
- However, no source code for these boards is removed
Demo Image for all boards. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
Demo Archive 2020.10 page
- NAND and SPI + eMMC media types were flashed using SAM-BA 3.3
Yocto Project SDK based on Linux4SAM 2020.10 release (Yocto Project 3.1.4 Dunfell)
And all goodies of previous Linux4SAM revisions!
New naming scheme:
- New naming scheme for Linux4SAM releases. The name will now reflect the year and month of the release, for easy identification of the moment in time of the release.
- This release we present now corresponds to 2020 April release, thus 2020.04.
New demo available for all previous SAMA5 boards and SAM9X60-EK board. Based on updated components:
- Linux kernel 5.4.x (+ LTS maintenance updates up to v5.4.41)
- AT91Bootstrap 3.9.2 with security fixes (Buildroot, OpenWrt); 3.9.3 with additional move to Python3 (Yocto Project only)
- U-Boot 2020.01 with PDA screen detection at boot time, FIT image support and overlay support. Check our FAQ for any questions. Additional support for unlocking and writing SST QSPI flashes in U-boot (saving environment to QSPI flash for example)
- Yocto Project 3.1 (Dunfell). First to benefit from the Long Term Support (LTS) plan.
- Buildroot generated from 2020.02.2 LTS revision using buildroot external
- OpenWrt Linux operating system : 19.07.2 stable branch
- Device tree overlays and FIT Image support
- New full featured graphical demos using the Microchip Ensemble Graphics Toolkit (EGT) 1.0 as a graphic library
- Integrated WILC driver and firmware version 15.4 . For any questions check FAQ and Applications pages
- Amazon Web Services GreenGrass (AWS GG) v1.10.1 is now included and ready to connect to AWS Cloud for all our sama5d2 based boards !
New kernel features:
- Integration of stable kernel updates up to v5.4.41
- Update WILC driver & firmware to 15.4.
- Integration of SAMA5D2-ICP board in the release
- Implement I2C bus recovery mechanism
- Allow using more than 4 GPIOs as CS in atmel-spi driver
- Add support for phylink in MACB driver
- Master clock register offset fixes for SAM9X60 in shutdown, reset controller and PM SoC drivers
- Improve power saving modes by disabling CPU PLL for SAM9X60
- Add SAMA5D2-ADC additional software trigger support (for example, sysfs trigger)
- Add real time timer (RTT) driver for SAM9X60
- Fix fast drop of VDDCORE on shutdown operations for SAM9X60
- Refactor reset controller driver
- Switch the AES and TDES crypto drivers to the skcipher API. Clean the drivers and add various fixes.
- Mainline SAM9x60 HWRNG support
- Add support for SHA204A (I2C) random number generator
- DMA drivers locking improvement and deadlock fixes
- Fix possible MMIO window size overrun in QSPI driver
- USB device controller (gadget) driver cleanup & fix for Vbus disconnect DMA issue.
- Add support for Micron/Aptina MT9V022 monochrome camera sensor for both ISC-based MPUs and ISI-based MPUs.
New Yocto Project/Buildroot/OpenWrt features:
- Full support for EGT (version 1.0 included)
- Moved to the new Yocto branch, Dunfell (3.1) LTS release
- Moved to new Buildroot release, 2020.02 LTS revision 2020.02.2
- Moved to new OpenWrt release, 19.07.2
- Firmware version 15.4 for WILC3000 and WILC1000 Wi-Fi and Bluetooth together with all the required software components (wpa-supplicant, hostapd and more). For any questions check FAQ and Applications pages.
- WILC demo apps are now available : Wilcbtapps and Websocket for the SAMA5D27 WLSOM1 EK board. Also included WiFi provisioning webpage.
- Yocto Project has deprecated Python2. We made a special version of AT91Bootstrap (v3.9.3) that uses Python3 instead of Python. There are no other differences between v3.9.2 and v3.9.3. Python is used by AT91Bootstrap only as a build dependency.
- Amazon Web Services GreenGrass (AWS GG) v1.10.1 is now included and ready to connect to AWS Cloud for all our sama5d2 based boards , on both Buildroot and Yocto Project distributions. The availability of ECC608 either as soldered on-board or as an addition through an expansion connector makes the solution secure, easy to use and seamless.
Demo Image for all boards. Choose headless (no video) or graphics option, your root filesystem flavor, flash and you're ready to go:
Demo Archive 2020.04 page
- NAND and SPI + eMMC media types were flashed using SAM-BA 3.3
Yocto Project SDK based on Linux4SAM 2020.04 release (Yocto Project 3.1 Dunfell)
And all goodies of previous Linux4SAM revisions!
Using the Image Sensor Controller (ISC) describes how the Image Sensor interface could be configured, and used to take pictures or videos with a simple camera sensor.
Pulse Width Modulation driver (PWM) FAQ describes how this interface could be configured, debugged and used.
FAQ page about how to connect a PDA Inc. LCD screens to the various SAMA5D2, SAMA5D3 and SAMA5D4 Xplained boards.
Learn the intrinsics of the recent move to Driver Model and Decive Tree in U-boot with the FAQ entry for SAMA5 SoC and boards.
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SAM9X60 Curiosity 
Linux4SAM
