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resources: introduce io_resource()

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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>
This commit is contained in:
Subrata Banik
2019-03-15 17:18:44 +05:30
parent 41483c9dff
commit 217ca36377
2 changed files with 20 additions and 0 deletions
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14
src/device/device_util.c
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@@ -801,6 +801,20 @@ void fixed_mem_resource(struct device *dev, unsigned long index,
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)
{