soc/amd/common/data_fabric/domain: factor out report_data_fabric_io
As a preparation to read the IO decode ranges from the data fabric registers instead of having it hard-coded, factor out the report_data_fabric_io function to report one IO producer region from add_io_regions. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I51c3f8cd6749623f1a4bad14873d53b8a52be737 Reviewed-on: https://review.coreboot.org/c/coreboot/+/76933 Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -139,18 +139,23 @@ static void add_data_fabric_mmio_regions(struct device *domain, unsigned int *id
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static void report_data_fabric_io(struct device *domain, unsigned int idx,
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resource_t io_base, resource_t io_limit)
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{
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struct resource *res;
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res = new_resource(domain, idx);
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res->base = io_base;
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res->limit = io_limit;
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res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED;
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}
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/* Tell the resource allocator about the usable I/O space */
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/* Tell the resource allocator about the usable I/O space */
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static void add_io_regions(struct device *domain, unsigned int *idx)
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static void add_io_regions(struct device *domain, unsigned int *idx)
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{
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{
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struct resource *res;
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/* TODO: Systems with more than one PCI root need to read the data fabric registers to
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/* TODO: Systems with more than one PCI root need to read the data fabric registers to
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see which IO ranges get decoded to which PCI root. */
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see which IO ranges get decoded to which PCI root. */
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res = new_resource(domain, (*idx)++);
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report_data_fabric_io(domain, (*idx)++, 0, 0xffff);
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res->base = 0;
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res->limit = 0xffff;
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res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED;
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}
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}
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void amd_pci_domain_read_resources(struct device *domain)
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void amd_pci_domain_read_resources(struct device *domain)
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