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# SPDX-License-Identifier: GPL-2.0-only
#
# WIZnet devices configuration
#
config NET_VENDOR_WIZNET
bool "WIZnet devices"
depends on HAS_IOMEM
default y
---help---
If you have a network (Ethernet) card belonging to this class, say Y.
Note that the answer to this question doesn't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about WIZnet devices. If you say Y, you will be asked
for your specific card in the following questions.
if NET_VENDOR_WIZNET
config WIZNET_W5100
tristate "WIZnet W5100 Ethernet support"
depends on HAS_IOMEM
---help---
Support for WIZnet W5100 chips.
W5100 is a single chip with integrated 10/100 Ethernet MAC,
PHY and hardware TCP/IP stack, but this driver is limited to
the MAC and PHY functions only, onchip TCP/IP is unused.
To compile this driver as a module, choose M here: the module
will be called w5100.
config WIZNET_W5300
tristate "WIZnet W5300 Ethernet support"
depends on HAS_IOMEM
---help---
Support for WIZnet W5300 chips.
W5300 is a single chip with integrated 10/100 Ethernet MAC,
PHY and hardware TCP/IP stack, but this driver is limited to
the MAC and PHY functions only, onchip TCP/IP is unused.
To compile this driver as a module, choose M here: the module
will be called w5300.
choice
prompt "WIZnet interface mode"
depends on WIZNET_W5100 || WIZNET_W5300
default WIZNET_BUS_ANY
config WIZNET_BUS_DIRECT
bool "Direct address bus mode"
---help---
In direct address mode host system can directly access all registers
after mapping to Memory-Mapped I/O space.
config WIZNET_BUS_INDIRECT
bool "Indirect address bus mode"
---help---
In indirect address mode host system indirectly accesses registers
using Indirect Mode Address Register and Indirect Mode Data Register,
which are directly mapped to Memory-Mapped I/O space.
config WIZNET_BUS_ANY
bool "Select interface mode in runtime"
---help---
If interface mode is unknown in compile time, it can be selected
in runtime from board/platform resources configuration.
Performance may decrease compared to explicitly selected bus mode.
endchoice
config WIZNET_W5100_SPI
tristate "WIZnet W5100/W5200/W5500 Ethernet support for SPI mode"
depends on WIZNET_BUS_ANY && WIZNET_W5100
depends on SPI
---help---
In SPI mode host system accesses registers using SPI protocol
(mode 0) on the SPI bus.
Performance decreases compared to other bus interface mode.
In W5100 SPI mode, burst READ/WRITE processing are not provided.
To compile this driver as a module, choose M here: the module
will be called w5100-spi.
endif # NET_VENDOR_WIZNET
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