Use PCI shared mem for NIC registers
configname: CONFIG_TULIP_MMIO
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Use PCI shared mem for NIC registers
In linux kernel since version 2.6.12
Use PCI shared memory for the NIC registers, rather than going through
the Tulip's PIO (programmed I/O ports). Faster, but could produce
obscure bugs if your mainboard has memory controller timing issues.
If in doubt, say N.
the Tulip's PIO (programmed I/O ports). Faster, but could produce
obscure bugs if your mainboard has memory controller timing issues.
If in doubt, say N.