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flink_linux [2023/12/19 16:08] – [Module Parameters] ursgraf | flink_linux [2023/12/19 16:10] (current) – [Module Parameters] ursgraf | ||
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Busses like //PCI// have discoverability built into them. Any device connected to such a bus can tell the system, what kind of device it is and what resources it uses. On the //SPI// this is not possible. Therefore, you must provide the total device memory length when loading the module. This length is determined by the number and types of the subdevices implemented in VHDL, see [[flink_vhdl|flink VHDL]]. \\ If an //info subdevice// is present, it will give the information about the total device size and the parameter can be ommitted, see [[flink_vhdl# | Busses like //PCI// have discoverability built into them. Any device connected to such a bus can tell the system, what kind of device it is and what resources it uses. On the //SPI// this is not possible. Therefore, you must provide the total device memory length when loading the module. This length is determined by the number and types of the subdevices implemented in VHDL, see [[flink_vhdl|flink VHDL]]. \\ If an //info subdevice// is present, it will give the information about the total device size and the parameter can be ommitted, see [[flink_vhdl# |