[coreboot-gerrit] Change in ...coreboot[master]: resources: introduce io_resource()

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/31911 )

Change subject: resources: introduce io_resource()
......................................................................

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 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31911
Tested-by: build bot (Jenkins) 
Reviewed-by: Kyösti Mälkki 
Reviewed-by: Furquan Shaikh 
Reviewed-by: Lijian Zhao 
---
M src/device/device_util.c
M src/include/device/device.h
2 files changed, 20 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Kyösti Mälkki: Looks good to me, but someone else must approve
  Furquan Shaikh: Looks good to me, approved
  Lijian Zhao: Looks good to me, approved

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);