CONFIG_TULIP_MMIO: Use PCI shared mem for NIC registers

General informations

The Linux kernel configuration item CONFIG_TULIP_MMIO has multiple definitions:

Use PCI shared mem for NIC registers found in drivers/net/ethernet/dec/tulip/Kconfig

The configuration item CONFIG_TULIP_MMIO:

• prompt: Use PCI shared mem for NIC registers
• type: bool
• depends on: CONFIG_TULIP
• defined in drivers/net/ethernet/dec/tulip/Kconfig
• found in Linux kernels: 3.2–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

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.

Use PCI shared mem for NIC registers found in drivers/net/tulip/Kconfig

The configuration item CONFIG_TULIP_MMIO:

• prompt: Use PCI shared mem for NIC registers
• type: bool
• depends on: CONFIG_TULIP
• defined in drivers/net/tulip/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.39, 3.0–3.1

Help text

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.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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