If this is specified as NONE -1 , the default of 32 is used. The information listed below may be out of date. The driver uses this value to program register CSR6. Although PCI configuration for a device is handled in the BSP, all other device programming and initialization needs are handled in this module. To achieve this, the driver requires a few external support routines as well as several target-specific parameters.
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The driver uses this value to program register CSR6. Alternatively, the chip can be programmed to poll for pcci next available transmit descriptor if the transmit engine is in idle state. If these 211400 are not set then the speed is set using the SROM settings. Again, see the device hardware reference manual for details. Without modification, it can operate across the full range of architectures and targets supported by VxWorks. This routine can use these fields in any manner.
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The driver programs the chip to process the transmit and receive queues at the same priority. The driver supports big-endian pcu little-endian architectures as a configurable option. The driver control structure member mediaCountis initialized to 0xff at startup, while the other media control members mediaDefaultmediaCurrentand gprModeVal are initialized to zero.
The driver also and contains error recovery code that handles known device errata related to DMA activity.
This should be selected taking into account the actual operating speed of the PHY. If this routine is called with an empty but allocated string, it puts the name of this device that is, “dc” into the initStr and returns 0.
See below, for an explanation of each MII pc. In which case, the driver allocates 211140 safe memory for its use using cacheDmaAlloc. It is used to translate a physical memory address into a PCI-accessible address.
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To achieve this, the driver requires a few external support routines as well as several target-specific parameters. In such cases, all the registers which the chip DMAs to have to be swapped and written to, so that when the hardware swaps the accesses, the chip would see them correctly.
If the link status indicates failure, AUI interface is configured. The pcl should be specified as hexadecimal strings optionally preceded by “0x” or a minus sign “-“. The supports HomePNA 1. Transmission starts when the frame size within the transmit FIFO is larger than the treshold value. The pic still has to be programmed to operate in little endian mode as it is on the PCI bus.
All of the device-specific parameters are passed in the initStr. It can also be used to review the ROM contents itself.
If 2114 base is specified as NONE -1the driver ignores this parameter. 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.
If there is no pre-allocated memory available for the driver, this parameter should be -1 NONE.
The user only 211140 to provide a valid value for this parameter if he wants to affect the order how different technology abilities are negotiated. These parameters, and the mechanisms used to communicate them to the driver, are detailed below.
If this is specified as NONE -1 then the default of 64 is used. By default, the driver sets the Ethernet chip into a non-polling mode. Pic, all other driver control structure members should be considered read-only and should not be modified.
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This will later be used by the decGetEthernetAdr function. This controls how much data the device can absorb under load. If this is specified as NONE -1the default of 32 is used.