Legacy ISA registers/interrupts in PCI device tree node

Gerhard Pircher gerhard_pircher at gmx.net
Mon Jul 16 17:53:17 EST 2007


I wonder, if there is a recommended way to specify ISA register addresses
and interrupts for a PCI device (unlike for a PCI2ISA bridge)?
The device in question is the integrated IDE controller of the VIA686B
southbridge, which works in compatible/legacy mode and thus uses interrupts
14 and 15 of the i8259 PIC. Should the fdt contain this information or
should I hardcode the values in the platform setup code?



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