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authorFelix Held <felix-coreboot@felixheld.de>2023-08-04 19:22:54 +0200
committerFelix Held <felix-coreboot@felixheld.de>2023-08-08 19:43:26 +0000
commit2dfd48b26de8e61501cc81ad528997b2efa50369 (patch)
treee6c8d0cb45f6de934a39474756f380e5529e0651 /src
parent84a60fbb1bdd17b3ca51532f5991fb78ad0f8635 (diff)
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>
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/common/block/data_fabric/domain.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/soc/amd/common/block/data_fabric/domain.c b/src/soc/amd/common/block/data_fabric/domain.c
index 9f0f48c325..66ad8b3848 100644
--- a/src/soc/amd/common/block/data_fabric/domain.c
+++ b/src/soc/amd/common/block/data_fabric/domain.c
@@ -139,18 +139,23 @@ static void add_data_fabric_mmio_regions(struct device *domain, unsigned int *id
}
}
-/* Tell the resource allocator about the usable I/O space */
-static void add_io_regions(struct device *domain, unsigned int *idx)
+static void report_data_fabric_io(struct device *domain, unsigned int idx,
+ resource_t io_base, resource_t io_limit)
{
struct resource *res;
+ res = new_resource(domain, idx);
+ res->base = io_base;
+ res->limit = io_limit;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED;
+}
+/* Tell the resource allocator about the usable I/O space */
+static void add_io_regions(struct device *domain, unsigned int *idx)
+{
/* TODO: Systems with more than one PCI root need to read the data fabric registers to
see which IO ranges get decoded to which PCI root. */
- res = new_resource(domain, (*idx)++);
- res->base = 0;
- res->limit = 0xffff;
- res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED;
+ report_data_fabric_io(domain, (*idx)++, 0, 0xffff);
}
void amd_pci_domain_read_resources(struct device *domain)