config STMMAC_ETH tristate "STMicroelectronics 10/100/1000 Ethernet driver" select MII select PHYLIB select CRC32 depends on NETDEVICES && HAS_IOMEM help This is the driver for the Ethernet IPs are built around a Synopsys IP Core and only tested on the STMicroelectronics platforms. if STMMAC_ETH choice prompt "STMMAC bus support" config STMMAC_PLATFORM bool "Platform bus support" depends on STMMAC_ETH ---help--- This selects the platform specific bus support for the stmmac device driver. This is the driver used on many embedded STM platforms based on ARM and SuperH processors. If you have a controller with this interface, say Y or M here. If unsure, say N. config STMMAC_PCI bool "PCI bus support (EXPERIMENTAL)" depends on STMMAC_ETH && PCI && EXPERIMENTAL ---help--- This is to select the Synopsys DWMAC available on PCI devices, if you have a controller with this interface, say Y or M here. This PCI support is tested on XLINX XC2V3000 FF1152AMT0221 D1215994A VIRTEX FPGA board. If unsure, say N. endchoice config STMMAC_DEBUG_FS bool "Enable monitoring via sysFS " default n depends on STMMAC_ETH && DEBUG_FS help The stmmac entry in /sys reports DMA TX/RX rings or (if supported) the HW cap register. config STMMAC_DA bool "STMMAC DMA arbitration scheme" default n help Selecting this option, rx has priority over Tx (only for Giga Ethernet device). By default, the DMA arbitration scheme is based on Round-robin (rx:tx priority is 1:1). config STMMAC_TIMER bool "STMMAC Timer optimisation" default n help Use an external timer for mitigating the number of network interrupts. Currently, for SH architectures, it is possible to use the TMU channel 2 and the SH-RTC device. choice prompt "Select Timer device" depends on STMMAC_TIMER config STMMAC_TMU_TIMER bool "TMU channel 2" depends on CPU_SH4 help config STMMAC_RTC_TIMER bool "Real time clock" depends on RTC_CLASS help endchoice choice prompt "Select the DMA TX/RX descriptor operating modes" depends on STMMAC_ETH help This driver supports DMA descriptor to operate both in dual buffer (RING) and linked-list(CHAINED) mode. In RING mode each descriptor points to two data buffer pointers whereas in CHAINED mode they points to only one data buffer pointer. config STMMAC_RING bool "Enable Descriptor Ring Mode" config STMMAC_CHAINED bool "Enable Descriptor Chained Mode" endchoice endif