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BCMA is a Broadcom specific bus with devices AKA cores. All recent BCMA based SoCs have gigabit ethernet provided by the GBit MAC core. This patch adds driver for such a cores registering itself as a netdev. It has been tested on a BCM4706 and BCM4718 chipsets. In the kernel tree there is already b44 driver which has some common things with bgmac, however there are many differences that has led to the decision or writing a new driver: 1) GBit MAC cores appear on BCMA bus (not SSB as in case of b44) 2) There is 64bit DMA engine which differs from 32bit one 3) There is no CAM (Content Addressable Memory) in GBit MAC 4) We have 4 TX queues on GBit MAC devices (instead of 1) 5) Many registers have different addresses/values 6) RX header flags are also different The driver in it's state is functional how, however there is of course place for improvements: 1) Supporting more net_device_ops 2) SUpporting more ethtool_ops 3) Unaligned addressing in DMA 4) Writing separated PHY driver Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
143 lines
3.9 KiB
Plaintext
143 lines
3.9 KiB
Plaintext
#
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# Broadcom device configuration
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#
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config NET_VENDOR_BROADCOM
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bool "Broadcom devices"
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default y
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depends on (SSB_POSSIBLE && HAS_DMA) || PCI || BCM63XX || \
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SIBYTE_SB1xxx_SOC
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---help---
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If you have a network (Ethernet) chipset belonging to this class,
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say Y.
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Note that the answer to this question does not directly affect
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the kernel: saying N will just case the configurator to skip all
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the questions regarding AMD chipsets. If you say Y, you will be asked
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for your specific chipset/driver in the following questions.
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if NET_VENDOR_BROADCOM
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config B44
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tristate "Broadcom 440x/47xx ethernet support"
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depends on SSB_POSSIBLE && HAS_DMA
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select SSB
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select NET_CORE
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select MII
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---help---
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If you have a network (Ethernet) controller of this type, say Y
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or M and read the Ethernet-HOWTO, available from
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<http://www.tldp.org/docs.html#howto>.
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To compile this driver as a module, choose M here. The module
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will be called b44.
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# Auto-select SSB PCI-HOST support, if possible
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config B44_PCI_AUTOSELECT
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bool
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depends on B44 && SSB_PCIHOST_POSSIBLE
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select SSB_PCIHOST
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default y
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# Auto-select SSB PCICORE driver, if possible
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config B44_PCICORE_AUTOSELECT
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bool
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depends on B44 && SSB_DRIVER_PCICORE_POSSIBLE
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select SSB_DRIVER_PCICORE
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default y
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config B44_PCI
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bool
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depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT
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default y
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config BCM63XX_ENET
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tristate "Broadcom 63xx internal mac support"
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depends on BCM63XX
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select NET_CORE
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select MII
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select PHYLIB
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help
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This driver supports the ethernet MACs in the Broadcom 63xx
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MIPS chipset family (BCM63XX).
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config BNX2
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tristate "Broadcom NetXtremeII support"
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depends on PCI
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select CRC32
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select FW_LOADER
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---help---
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This driver supports Broadcom NetXtremeII gigabit Ethernet cards.
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To compile this driver as a module, choose M here: the module
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will be called bnx2. This is recommended.
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config CNIC
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tristate "Broadcom CNIC support"
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depends on PCI
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select BNX2
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select UIO
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---help---
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This driver supports offload features of Broadcom NetXtremeII
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gigabit Ethernet cards.
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To compile this driver as a module, choose M here: the module
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will be called cnic. This is recommended.
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config SB1250_MAC
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tristate "SB1250 Gigabit Ethernet support"
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depends on SIBYTE_SB1xxx_SOC
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select PHYLIB
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---help---
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This driver supports Gigabit Ethernet interfaces based on the
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Broadcom SiByte family of System-On-a-Chip parts. They include
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the BCM1120, BCM1125, BCM1125H, BCM1250, BCM1255, BCM1280, BCM1455
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and BCM1480 chips.
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To compile this driver as a module, choose M here: the module
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will be called sb1250-mac.
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config TIGON3
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tristate "Broadcom Tigon3 support"
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depends on PCI
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select PHYLIB
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select HWMON
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select PTP_1588_CLOCK
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---help---
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This driver supports Broadcom Tigon3 based gigabit Ethernet cards.
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To compile this driver as a module, choose M here: the module
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will be called tg3. This is recommended.
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config BNX2X
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tristate "Broadcom NetXtremeII 10Gb support"
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depends on PCI
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select FW_LOADER
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select ZLIB_INFLATE
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select LIBCRC32C
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select MDIO
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---help---
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This driver supports Broadcom NetXtremeII 10 gigabit Ethernet cards.
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To compile this driver as a module, choose M here: the module
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will be called bnx2x. This is recommended.
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config BNX2X_SRIOV
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bool "Broadcom 578xx and 57712 SR-IOV support"
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depends on BNX2X && PCI_IOV
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default y
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---help---
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This configuration parameter enables Single Root Input Output
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Virtualization support in the 578xx and 57712 products. This
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allows for virtual function acceleration in virtual environments.
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config BGMAC
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tristate "BCMA bus GBit core support"
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depends on BCMA_HOST_SOC && HAS_DMA
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---help---
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This driver supports GBit MAC and BCM4706 GBit MAC cores on BCMA bus.
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They can be found on BCM47xx SoCs and provide gigabit ethernet.
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In case of using this driver on BCM4706 it's also requires to enable
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BCMA_DRIVER_GMAC_CMN to make it work.
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endif # NET_VENDOR_BROADCOM
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