21140 PCI DRIVER

See below, for an explanation of each MII flag. The driver programs the chip to process the transmit and receive queues at the same priority. The parameters should be specified as hexadecimal strings optionally preceded by “0x” or a minus sign “-“. The driver supports big-endian or little-endian architectures as a configurable option. Transmission starts when the frame size within the transmit FIFO is larger than the treshold value. If the parameter is not specified, this version returns NULL. In which case, the driver allocates cache safe memory for its use using cacheDmaAlloc.

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On thethe driver configures the 10BASE-T interface by default,waits for two seconds, and checks the status of the link.

Check the Intel web site for latest information. Although PCI configuration for a device is handled in the BSP, all other device programming and initialization needs are handled in this module.

By default, the driver sets the Ethernet chip into a non-polling mode. This routine can use these fields in any manner. This should be selected taking into account the actual operating speed of the PHY. No jumpering diagram is necessary.

See below, for an explanation of each MII flag. It is used to translate a physical memory address into a PCI-accessible address. If memory base is specified as NONE -1the driver ignores this parameter. The user only needs to provide a valid value for this parameter if he wants to affect the order how different technology abilities are negotiated. It can also be used to review the ROM contents itself.

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The driver supports big-endian or little-endian architectures as a configurable option. Without ppci, it can operate across the full range of architectures and targets supported by VxWorks.

If the link status indicates failure, AUI interface is configured. It does not signify the end of the original string, but that the parameter is null.

The driver also and contains error recovery code that handles known device errata related to DMA activity.

Digital Dec 10 100 Fast Ethernet PCI Network Cards 21143 PC 21140 AE PD

The module that is responsible for optimally configuring the media layer will start scanning the MII bus from the address in phyAddr. The format of the parameter string is: Big-endian processors can be connected to the PCI bus through some controllers that take care of hardware byte swapping. It will retrieve the PHY’s address regardless of that, but, since the MII management interface, through which the PHY is configured, is a very slow one, providing an incorrect or invalid address may result in a particularly long boot process.

The driver uses this value to program register CSR6.

Transmission starts when the frame size within the transmit FIFO is larger than the treshold value. In this mode, if the transmit engine is idle, it is kick-started every time a packet needs to be transmitted.

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The chip still has to be programmed to operate in little endian mode as it is on the PCI bus.

If this is specified as NONE -1the default pic 32 is used. As input, this function expects a string of colon-separated parameters. Pcci controls how much data the device can absorb under load. If there is no pre-allocated memory available for the driver, this parameter should be -1 NONE.

The 2 bytes of data are extracted and processed into a normal pair of bytes. The information listed below may be out of date. On other versions of the 21×40 family, the driver reads media information from a DEC serial ROM and configures the media.

Download Intel PCI Fast Ethernet Card – MajorGeeks

Again, see the device hardware reference manual for details. The driver programs the chip to process the transmit and receive queues at the same priority. These parameters, and the mechanisms used to communicate them to the driver, are detailed below.