Use lists instead of arrays for resources in devices to reduce memory usage.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5576 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/include/device/device.h

@@ -74,11 +74,10 @@ struct device {
 	u8 command;
 
 	/* Base registers for this device. I/O, MEM and Expansion ROM */
-	struct resource resource[MAX_RESOURCES];
-	unsigned int resources;
+	struct resource *resource_list;
 
 	/* links are (downstream) buses attached to the device, usually a leaf
-	 * device with no children have 0 buses attached and a bridge has 1 bus
+	 * device with no children has 0 buses attached and a bridge has 1 bus
 	 */
 	struct bus link[MAX_LINKS];
 	/* number of buses attached to the device */
@@ -96,6 +95,7 @@ struct device {
 extern struct device	dev_root;
 extern struct device	*all_devices;	/* list of all devices */
 
+extern struct resource	*free_resources;
 
 /* Generic device interface functions */
 device_t alloc_dev(struct bus *parent, struct device_path *path);

src/include/device/resource.h

@@ -68,6 +68,7 @@ struct resource {
 	resource_t base;	/* Base address of the resource */
 	resource_t size;	/* Size of the resource */
 	resource_t limit;	/* Largest valid value base + size -1 */
+	struct resource* next;	/* Next resource in the list */
 	unsigned long flags;	/* Descriptions of the kind of resource */
 	unsigned long index;	/* Bus specific per device resource id */
 	unsigned char align;	/* Required alignment (log 2) of the resource */