1# SPDX-License-Identifier: GPL-2.0-only 2# 3# WIZnet devices configuration 4# 5 6config NET_VENDOR_WIZNET 7 bool "WIZnet devices" 8 depends on HAS_IOMEM 9 default y 10 help 11 If you have a network (Ethernet) card belonging to this class, say Y. 12 13 Note that the answer to this question doesn't directly affect the 14 kernel: saying N will just cause the configurator to skip all 15 the questions about WIZnet devices. If you say Y, you will be asked 16 for your specific card in the following questions. 17 18if NET_VENDOR_WIZNET 19 20config WIZNET_W5100 21 tristate "WIZnet W5100 Ethernet support" 22 depends on HAS_IOMEM 23 help 24 Support for WIZnet W5100 chips. 25 26 W5100 is a single chip with integrated 10/100 Ethernet MAC, 27 PHY and hardware TCP/IP stack, but this driver is limited to 28 the MAC and PHY functions only, onchip TCP/IP is unused. 29 30 To compile this driver as a module, choose M here: the module 31 will be called w5100. 32 33config WIZNET_W5300 34 tristate "WIZnet W5300 Ethernet support" 35 depends on HAS_IOMEM 36 help 37 Support for WIZnet W5300 chips. 38 39 W5300 is a single chip with integrated 10/100 Ethernet MAC, 40 PHY and hardware TCP/IP stack, but this driver is limited to 41 the MAC and PHY functions only, onchip TCP/IP is unused. 42 43 To compile this driver as a module, choose M here: the module 44 will be called w5300. 45 46choice 47 prompt "WIZnet interface mode" 48 depends on WIZNET_W5100 || WIZNET_W5300 49 default WIZNET_BUS_ANY 50 51config WIZNET_BUS_DIRECT 52 bool "Direct address bus mode" 53 help 54 In direct address mode host system can directly access all registers 55 after mapping to Memory-Mapped I/O space. 56 57config WIZNET_BUS_INDIRECT 58 bool "Indirect address bus mode" 59 help 60 In indirect address mode host system indirectly accesses registers 61 using Indirect Mode Address Register and Indirect Mode Data Register, 62 which are directly mapped to Memory-Mapped I/O space. 63 64config WIZNET_BUS_ANY 65 bool "Select interface mode in runtime" 66 help 67 If interface mode is unknown in compile time, it can be selected 68 in runtime from board/platform resources configuration. 69 70 Performance may decrease compared to explicitly selected bus mode. 71endchoice 72 73config WIZNET_W5100_SPI 74 tristate "WIZnet W5100/W5200/W5500 Ethernet support for SPI mode" 75 depends on WIZNET_BUS_ANY && WIZNET_W5100 76 depends on SPI 77 help 78 In SPI mode host system accesses registers using SPI protocol 79 (mode 0) on the SPI bus. 80 81 Performance decreases compared to other bus interface mode. 82 In W5100 SPI mode, burst READ/WRITE processing are not provided. 83 84 To compile this driver as a module, choose M here: the module 85 will be called w5100-spi. 86 87endif # NET_VENDOR_WIZNET 88