resources: introduce io_resource()
This patch creates new resource function to perform allocation
of IO resource, similar to mmio_resource() function does for MMIO.
Change-Id: I3fdcabb14302537d6074bfd6a362690c06b66bb5
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 38207eb..5c4f911 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -801,6 +801,20 @@
resource->flags |= type;
}
+void fixed_io_resource(struct device *dev, unsigned long index,
+ unsigned long base, unsigned long size)
+{
+ struct resource *resource;
+
+ resource = new_resource(dev, index);
+ resource->base = (resource_t)base;
+ resource->size = (resource_t)size;
+ resource->limit = resource->base + resource->size - 1;
+ resource->flags = IORESOURCE_IO | IORESOURCE_FIXED |
+ IORESOURCE_STORED | IORESOURCE_ASSIGNED |
+ IORESOURCE_RESERVE;
+}
+
void mmconf_resource_init(struct resource *resource, resource_t base,
int buses)
{
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 7d7be73..39a4d56 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -234,6 +234,9 @@
void pci_domain_read_resources(struct device *dev);
void pci_domain_scan_bus(struct device *dev);
+void fixed_io_resource(struct device *dev, unsigned long index,
+ unsigned long base, unsigned long size);
+
void fixed_mem_resource(struct device *dev, unsigned long index,
unsigned long basek, unsigned long sizek, unsigned long type);
@@ -259,6 +262,9 @@
#define mmio_resource(dev, idx, basek, sizek) \
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE)
+#define io_resource(dev, idx, base, size) \
+ fixed_io_resource(dev, idx, base, size)
+
void tolm_test(void *gp, struct device *dev, struct resource *new);
u32 find_pci_tolm(struct bus *bus);