APF6 Linux kernel status
From ArmadeusWiki
The APF6 Linux distribution can be found here: latest stable installation tarball from SourceForge
Current version
Currently (armadeus-6.0) default supported Linux version for APF6 is: vanilla 3.19.
We also support a "legacy" kernel, based on Wandboard's 3.10.31, to have GPU/VPU functionnalities available until they are fully integrated in vanilla/mainline. Details about this kernel can be found here.
Details concerning the drivers usage can be found below.
- NT = Not Tested
- NA = Not Available / Not possible
APF6 module
| 3.19 | ||||
| Driver | Compiling ? Static / Module |
Working ? | Comments | |
|---|---|---|---|---|
| eMMC | OK | NT | OK | |
| SPI | OK | NT | NT | SPI / Not tested yet. |
| I2C | OK | NT | OK | I2C |
| Keypad | NT | NT | NT | Not tested yet |
| MMC/SD/SDIO | OK | NT | OK | |
| UART | OK | NT | OK | |
| Ethernet | OK | NT | OK | |
| USB OTG | OK | NT | OK | USB |
| USB HOST1 | OK | NT | OK | USB |
| PWM | OK | NT | OK | PWM |
| RTC | OK | NT | OK | RTC |
| Watchdog | OK | NT | OK | Watchdog |
| PM sleep/wakeup | OK | NT | OK | Power management |
| Frequency scaling | OK | NT | NT | Not tested yet |
| CSI (Camera) | OK | NT | OK | Tested with a wandcam and SDL capture demo. |
| SSI (Audio) | OK | NT | OK | ALSA |
| Video codec (H.263/4) | NT | NT | NT | Not tested yet |
| 3D GPU | NA | NA | NA | No drivers yet |
| Security/Sahara/RTIC | NT | NT | NT | Not tested yet |
| Wi-Fi (b/g) | OK | OK | OK | Wi-Fi - Wl12xx_driver |
| Bluetooth | OK | OK | OK | Bluetooth / No RTS/CTS Bluetooth |
| FPGA POD interface | NT | NT | NT | Not tested yet |
| FPGA loading | OK | NT | OK | Only available on APF6SP |
| Xenomai | OK | NT | NT | Kernel 3.10.32. |
APF6Dev development baseboard
- NT = Not Tested
- NA = Not Available / Not possible
| 3.19 | ||||
| Driver | Compiling ? Static / Module |
Working ? | Comments | |
|---|---|---|---|---|
| SATA | OK | NT | OK | |
| PCIe | OK | NT | OK | |
| microSD | OK | NT | OK | |
| Ethernet | OK | NT | ~OK | ~100MBits only at the moment (in theory i.MX6 has a 1Gbit interface) |
| LCD | OK | NT | OK | Tested with LW700. LCD |
| Backlight | OK | NT | OK | Inverted polarity. New kernel API. |
| Headphone audio Out | OK | NT | OK | ALSA |
| SPDIF audio Out | OK | NT | KO | ALSA |
| HDMI audio Out | NA | NA | NA | ALSA |
| MIC audio In | OK | NT | OK | ALSA |
| Touchscreen | OK | OK | OK | Single touch only. |
| USB Host 1 | OK | NT | OK | High Speed |
| CAN Bus | OK | OK | OK | CAN_bus_Linux_driver |
| HDMI | OK | NT | OK | Issues with some DVI monitor. |
| GPS | OK | NT | OK | GPS |
| GSM / 3G | OK | NT | OK | Gsm |
| GPIO | OK | NT | OK | GPIOlib |
| User LED | OK | NT | OK | GPIO LEDS |
| User button | OK | NT | OK | GPIO keys |
| RTC MCP79400 | NT | OK | OK | RTC. Timekeeping only. |
