Marvell EBU:Mainline Linux

This page presents the status of the support in the official Linux kernel for Marvell EBU processors.

Status matrix

SoC family	Orion	Kirkwood	Dove	A370	AXP	A375	A38x	A39x	A3700	A7K/A8K
GPIO	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	OK gpio-mvebu	4.12 pinctrl-armada-37xx	4.13 gpio-mvebu
Pinmux	OK pinctrl-mvebu/ pinctrl-orion	OK pinctrl-mvebu/ pinctrl-kirkwood	OK pinctrl-mvebu/ pinctrl-dove	OK pinctrl-mvebu/ pinctrl-armada-370	OK pinctrl-mvebu/ pinctrl-armada-xp	OK pinctrl-mvebu/ pinctrl-armada-375	OK pinctrl-mvebu/ pinctrl-armada-38x	OK pinctrl-mvebu/ pinctrl-armada-39x	4.12 pinctrl-armada-37xx	4.13 pinctrl-mvebu/ pinctrl-armada-[ap806|cp110]
Clock
NAND
Device bus
Network	OK mv643xx_eth	OK mv643xx_eth	OK mv643xx_eth	3.8 mvneta	3.8 mvneta	3.17 mvpp2	3.15 mvneta	NOK	OK mvneta	OK mvpp2
PCIe
USB 2.0
USB 3.0
USB Device
SATA
SPI	OK spi-orion	OK spi-orion	OK spi-orion	OK spi-orion	OK spi-orion	OK spi-orion	OK spi-orion	OK spi-orion	4.10 spi-armada-3700	OK spi-orion
TDM
SDIO
I2C	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	OK i2c-mv64xxx	4.10 i2x-pxa	OK i2c-mv64xxx
UART	OK 8250	OK 8250	OK 8250	3.6 8250	3.6 8250	3.15 8250	3.15 8250	OK 8250	4.6 mvebu-uart	4.6 8250
LCD
Audio	???	???	OK	OK	N/A	N/A	NOK	???	N/A	N/A
RTC	OK rtc-mv	OK rtc-mv	OK rtc-mv	OK rtc-mv	OK rtc-mv	OK rtc-mv	4.0 rtc-armada38x	4.0 rtc-armada38x	N/A	4.11 rtc-armada38x
Crypto	OK cesa	OK cesa	OK cesa	OK cesa	OK cesa	OK cesa	OK cesa	NOK	OK safeXcel	OK safeXcel
XOR engines	OK mv_xor	OK mv_xor	OK mv_xor	OK mv_xor	OK mv_xor	OK mv_xor	OK mv_xor	OK mv_xor	4.7 mv_xor	4.8 mv_xor_v2
Suspend/resume
cpuidle
cpufreq	NOK	OK kirkwood-cpufreq	NOK	NOK	OK mvebu-cpufreq	NOK	NOK	NOK	4.16 + 4.19 (AVS) armada-37xx-cpufreq	WIP

Upstreaming effort

Bootlin maintains a number of branches reflecting the in-progress upstream work. They are based on 4.14.y. Those branches are available in the public Git repository at https://github.com/MISL-EBU-System-SW/mainline-public. The logic is as follows:

• devel-4.14/<topic> are topic branches for work in progress, not yet merged upstream. Such branches are based on backport-4.14 (there are exceptions), and are rebased as needed
• devel-4.14/all which is a branch resulting of the merge of all the devel-4.14/<topic> branches

These branches are:

• backport-4.14 is based on v4.14.58, with patches backported from upstream, i.e patches that had already been accepted. This branch is generally not rebased, but we rebased it to 4.14.58 recently.
• devel-4.14/a8kp-doc introduces the 8KP support, in the documentation. Based on devel-4.14/icu-sei-overheat.
  • Update on the latest backport-4.14: TODO
• devel-4.14/a8kp-drivers introduces the 8KP support, in the drivers.
  • Update on the latest backport-4.14: TODO
• devel-4.14/a8kp-dt64 introduces the 8KP support, in the device trees. Based on devel-4.14/dt64.
  • Update on the latest backport-4.14: TODO
• devel-4.14/comphy
  • Update on the latest backport-4.14: TODO
• devel-4.14/crypto
  • Update on the latest backport-4.14: TODO
• devel-4.14/custom-defconfig64 contains out of tree patches to enable Marvell EBU specific drivers in the ARM64 defconfig. Based on devel-4.14/defconfig64.
  • Update on the latest backport-4.14: TODO
• devel-4.14/defconfig64 contains the ARM64 defconfig specific patches.
  • Update on the latest backport-4.14: TODO
• devel-4.14/dt64 contains all the ARM64 Device Tree updates. They are regrouped in a single topic branches to avoid conflicts.
  • Update on the latest backport-4.14: TODO
• devel-4.14/icu-sei-overheat contains improvements for the interrupts and thermal drivers.
  • Update on the latest backport-4.14: TODO by Miquèl Raynal
• devel-4.14/mvneta contains fixes and improvements in the mvneta network driver.
  • Update on the latest backport-4.14: TODO by Grégory Clement
• devel-4.14/pcie contains fixes and improvements to the PCI support for Marvell SoCs, especially the pci-mvebu and pci-aardvark drivers
  • Update on the latest backport-4.14: DONE
• devel-4.14/ppv2 contains fixes and improvements in the mvpp2 network driver.
  • Update on the latest backport-4.14: TODO by Maxime Chevallier

Commands used to generate the devel-4.14/all branch (so that topic branches are always merged in the same order) :

git reset --hard backport-4.14
git merge devel-4.14/comphy devel-4.14/ppv2 devel-4.14/crypto devel-4.14/pcie devel-4.14/mvneta devel-4.14/icu-sei-overheat devel-4.14/dt64 devel-4.14/a8kp-dt64 devel-4.14/a8kp-drivers devel-4.14/a8kp-doc devel-4.14/defconfig64 devel-4.14/custom-defconfig64