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For legacy I/O BARs (non-MMIO BARs) to work correctly on RISC-V Linux, we need to establish a reserved memory region for them, so that drivers that wish to use the legacy I/O BARs can issue reads and writes against a memory region that is mapped to the host PCIe controller's I/O BAR mapping. Signed-off-by: Yash Shah <yash.shah@sifive.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> |
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asm | ||
uapi/asm |