1config STMMAC_ETH 2 tristate "STMicroelectronics 10/100/1000 Ethernet driver" 3 select MII 4 select PHYLIB 5 select CRC32 6 depends on NETDEVICES && HAS_IOMEM 7 help 8 This is the driver for the Ethernet IPs are built around a 9 Synopsys IP Core and only tested on the STMicroelectronics 10 platforms. 11 12if STMMAC_ETH 13 14config STMMAC_DA 15 bool "STMMAC DMA arbitration scheme" 16 default n 17 help 18 Selecting this option, rx has priority over Tx (only for Giga 19 Ethernet device). 20 By default, the DMA arbitration scheme is based on Round-robin 21 (rx:tx priority is 1:1). 22 23config STMMAC_DUAL_MAC 24 bool "STMMAC: dual mac support (EXPERIMENTAL)" 25 default n 26 depends on EXPERIMENTAL && STMMAC_ETH && !STMMAC_TIMER 27 help 28 Some ST SoCs (for example the stx7141 and stx7200c2) have two 29 Ethernet Controllers. This option turns on the second Ethernet 30 device on this kind of platforms. 31 32config STMMAC_TIMER 33 bool "STMMAC Timer optimisation" 34 default n 35 depends on RTC_HCTOSYS_DEVICE 36 help 37 Use an external timer for mitigating the number of network 38 interrupts. Currently, for SH architectures, it is possible 39 to use the TMU channel 2 and the SH-RTC device. 40 41choice 42 prompt "Select Timer device" 43 depends on STMMAC_TIMER 44 45config STMMAC_TMU_TIMER 46 bool "TMU channel 2" 47 depends on CPU_SH4 48 help 49 50config STMMAC_RTC_TIMER 51 bool "Real time clock" 52 depends on RTC_CLASS 53 help 54 55endchoice 56 57endif 58