APF28 Linux kernel status

The APF28 Linux distribution can be found here: latest stable installation tarball from SourceForge

Current version

Currently (in armadeus-5.0-alpha) supported Linux versions are: Freescale's 2.6.35.3 (version by default) and mainline/vanilla 3.4.2 (which requires some special instructions).

• NT = Not Tested
• NA = Not Available / Not possible

APF28 (~ i.MX28 internal controllers)

Freescale's 2.6.35					Mainline 3.4.2
Driver	Compiling ? Static / Module		Working ?	Comments	Compiling ? Static / Module		Working ?	Comments
NAND Flash	OK	NA	OK	Boot linux + rootfs			NT
DUART	OK	OK	OK	console (ttyAM0)			OK	console (ttyAMA0)
Ethernet	OK	NA	OK	Ethernet 0			OK
RTC	OK	OK	OK	internal RTC			NT
PM	OK	NA	OK	use standby mode			NT
Battery	OK	OK	NT				NT
Watchdog	OK	OK	OK	internal Watchdog			NT
Security/DCP	OK	OK	OK	tested with tcrypt module			NT

APF28Dev development baseboard

• NT = Not Tested
• NA = Not Available / Not possible

Freescale's 2.6.35					Mainline 3.4.2
Driver	Compiling ? Static / Module		Working ?	Comments	Compiling ? Static / Module		Working ?	Comments
SPI	OK	NT	OK		NT	NT	NT	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C	OK	NT	OK		OK	OK	OK	Can't use SMBus Quick Write on bus 0
MMC/SD/SDIO	OK	NT	OK		OK	NT	OK
AUART	OK	OK	OK		NT	NT	NT
Ethernet (1)	OK	NA	NT	2nd optionnal Ethernet port	OK	NA	NT	2nd optionnal Ethernet port
USB OTG	OK	OK	OK	OTG and DR modes	NT	NT	NT
USB HOST	OK	NT	OK		NT	NT	NT
ADC (LRADC)	NT	NT	NT		NT	NT	NT
ADC (HSADC)	NT	NT	NT		NT	NT	NT
PWM	OK	OK	OK		NT	NT	NT
LCD	OK	NT	OK		NT	NT	NT
Backlight	OK	OK	OK		NT	NT	NT
LW700 LCD	OK	NT	OK		NT	NT	NT
MT035 LCD	OK	NT	OK	remove linux patch 459 with apf28dev boards rev1	NT	NT	NT
Touchscreen	OK	OK	OK		NT	NT	NT
PXP	OK	NT	NT		NT	NT	NT
Digital Audio	OK	OK	NT		NT	NT	NT
CAN Bus	OK	OK	OK		NT	NT	NT
User LED	OK	NT	OK	GPIO_LEDS	NT	NT	NT	GPIOlib
User Button	OK	OK	OK	GPIO_keys, can wakeup the board from standby mode	NT	NT	NT	GPIOlib
Power Button	OK	NT	OK	OK only when the system is powered by a battery. The board reboots automatically when powered by 5V or USB. That's a chipset feature that cannot be disabled.	NT	NT	NT