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5-8 IQ80960RM/RN
Evaluation Board Manual
MON960 Support for IQ80960RM/RN
5.4.2.4 sysGenerateSpecialCycle
This function allows for generation of PCI Special Cycles. The generated special cycle is broadcast
on a specific PCI Bus in the system.
PCI Special Cycles are not supported on the IQ80960RM/RN platform secondary PCI bus.
Calling convention:
int sysGenerateSpecialCycle (
int bus_number,
int special_cycle_data
);
Return values:
Since PCI Special Cycles are not supported by the IQ80960RM/RN platform, this function always
returns FUNC_NOT_SUPPORTED.
5.4.2.5 sysReadConfigByte
This function allows the caller to read individual bytes from the configuration space of a specific
device.
Calling convention:
int sysReadConfigByte (
int bus_number,
int device_number,
int function_number,
int register_number, /* 0,1,2,...,255 */
UINT8 *data
);
Return values:
This function returns SUCCESSFUL when the indicated byte was read correctly, or ERROR when
there is a problem with the parameters.