c5aff18204
This patch contains a new network driver for the network unit of the ARM Marvell Armada 370 and the Armada XP. Both SoCs use the PJ4B processor, a Marvell-developed ARM core that implements the ARMv7 instruction set. Compared to previous ARM Marvell SoCs (Kirkwood, Orion, Discovery), the network unit in Armada 370 and Armada XP is highly different. This is the reason why this new 'mvneta' driver is needed, while the older ARM Marvell SoCs use the 'mv643xx_eth' driver. Here is an overview of the most important hardware changes that require a new, specific, driver for the network unit of Armada 370/XP: - The new network unit has a completely different design and layout for the RX and TX descriptors. They are now organized as a simple array (each RX and TX queue has base address and size of this array) rather than a linked list as in the old SoCs. - The new network unit has a different RXQ and TXQ management: this management is done using special read/write counter registers, while in the Old SocS, it was done using the Ownership bit in RX and TX descriptors. - The new network unit has different interrupt registers - The new network unit way of cleaning of interrupts is not done by writing to the cause register, but by updating per-queue counters - The new network unit has different GMAC registers (link, speed, duplex configuration) and different WRR registers. - The new network unit has lots of new units like PnC (Parser and Classifier), PMT, BM (Memory Buffer Management), xPON, and more. The driver proposed in the current patch only handles the basic features. Additional hardware features will progressively be supported as needed. This code has originally been written by Rami Rosen <rosenr@marvell.com>, and then reviewed and cleaned up by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: David S. Miller <davem@davemloft.net>
135 lines
4.4 KiB
Text
135 lines
4.4 KiB
Text
#
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# Marvell device configuration
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#
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config NET_VENDOR_MARVELL
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bool "Marvell devices"
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default y
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depends on PCI || CPU_PXA168 || MV64X60 || PPC32 || PLAT_ORION || INET
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---help---
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If you have a network (Ethernet) card belonging to this class, say Y
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and read the Ethernet-HOWTO, available from
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<http://www.tldp.org/docs.html#howto>.
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Note that the answer to this question doesn't directly affect the
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kernel: saying N will just cause the configurator to skip all
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the questions about Marvell devices. If you say Y, you will be
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asked for your specific card in the following questions.
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if NET_VENDOR_MARVELL
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config MV643XX_ETH
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tristate "Marvell Discovery (643XX) and Orion ethernet support"
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depends on (MV64X60 || PPC32 || PLAT_ORION) && INET
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select INET_LRO
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select PHYLIB
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---help---
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This driver supports the gigabit ethernet MACs in the
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Marvell Discovery PPC/MIPS chipset family (MV643XX) and
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in the Marvell Orion ARM SoC family.
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Some boards that use the Discovery chipset are the Momenco
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Ocelot C and Jaguar ATX and Pegasos II.
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config MVMDIO
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tristate "Marvell MDIO interface support"
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---help---
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This driver supports the MDIO interface found in the network
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interface units of the Marvell EBU SoCs (Kirkwood, Orion5x,
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Dove, Armada 370 and Armada XP).
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For now, this driver is only needed for the MVNETA driver
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(used on Armada 370 and XP), but it could be used in the
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future by the MV643XX_ETH driver.
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config MVNETA
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tristate "Marvell Armada 370/XP network interface support"
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depends on MACH_ARMADA_370_XP
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select PHYLIB
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select MVMDIO
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---help---
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This driver supports the network interface units in the
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Marvell ARMADA XP and ARMADA 370 SoC family.
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Note that this driver is distinct from the mv643xx_eth
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driver, which should be used for the older Marvell SoCs
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(Dove, Orion, Discovery, Kirkwood).
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config PXA168_ETH
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tristate "Marvell pxa168 ethernet support"
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depends on CPU_PXA168
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select PHYLIB
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---help---
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This driver supports the pxa168 Ethernet ports.
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To compile this driver as a module, choose M here. The module
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will be called pxa168_eth.
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config SKGE
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tristate "Marvell Yukon Gigabit Ethernet support"
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depends on PCI
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select CRC32
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---help---
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This driver support the Marvell Yukon or SysKonnect SK-98xx/SK-95xx
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and related Gigabit Ethernet adapters. It is a new smaller driver
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with better performance and more complete ethtool support.
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It does not support the link failover and network management
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features that "portable" vendor supplied sk98lin driver does.
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This driver supports adapters based on the original Yukon chipset:
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Marvell 88E8001, Belkin F5D5005, CNet GigaCard, DLink DGE-530T,
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Linksys EG1032/EG1064, 3Com 3C940/3C940B, SysKonnect SK-9871/9872.
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It does not support the newer Yukon2 chipset: a separate driver,
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sky2, is provided for these adapters.
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To compile this driver as a module, choose M here: the module
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will be called skge. This is recommended.
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config SKGE_DEBUG
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bool "Debugging interface"
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depends on SKGE && DEBUG_FS
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---help---
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This option adds the ability to dump driver state for debugging.
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The file /sys/kernel/debug/skge/ethX displays the state of the internal
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transmit and receive rings.
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If unsure, say N.
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config SKGE_GENESIS
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bool "Support for older SysKonnect Genesis boards"
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depends on SKGE
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---help---
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This enables support for the older and uncommon SysKonnect Genesis
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chips, which support MII via an external transceiver, instead of
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an internal one. Disabling this option will save some memory
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by making code smaller. If unsure say Y.
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config SKY2
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tristate "Marvell Yukon 2 support"
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depends on PCI
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select CRC32
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---help---
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This driver supports Gigabit Ethernet adapters based on the
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Marvell Yukon 2 chipset:
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Marvell 88E8021/88E8022/88E8035/88E8036/88E8038/88E8050/88E8052/
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88E8053/88E8055/88E8061/88E8062, SysKonnect SK-9E21D/SK-9S21
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There is companion driver for the older Marvell Yukon and
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SysKonnect Genesis based adapters: skge.
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To compile this driver as a module, choose M here: the module
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will be called sky2. This is recommended.
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config SKY2_DEBUG
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bool "Debugging interface"
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depends on SKY2 && DEBUG_FS
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---help---
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This option adds the ability to dump driver state for debugging.
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The file /sys/kernel/debug/sky2/ethX displays the state of the internal
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transmit and receive rings.
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If unsure, say N.
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endif # NET_VENDOR_MARVELL
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