- Major update of the dynamic device tree so it can handle
* subtractive resources
* merging with the static device tree
* more device types than just pci
- The piece to watch out for is the new enable_resources method that was needed in all of the drivers
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1096 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/include/device/path.h b/src/include/device/path.h
new file mode 100644
index 0000000..cf89a68
--- /dev/null
+++ b/src/include/device/path.h
@@ -0,0 +1,41 @@
+#ifndef DEVICE_PATH_H
+#define DEVICE_PATH_H
+
+enum device_path_type {
+ DEVICE_PATH_NONE = 0,
+ DEVICE_PATH_PCI,
+ DEVICE_PATH_PNP,
+ DEVICE_PATH_I2C,
+};
+
+struct pci_path
+{
+ unsigned devfn;
+};
+
+struct pnp_path
+{
+ unsigned port;
+ unsigned device;
+};
+
+struct i2c_path
+{
+ unsigned device;
+};
+
+struct device_path {
+ enum device_path_type type;
+ union {
+ struct pci_path pci;
+ struct pnp_path pnp;
+ struct i2c_path i2c;
+ } u;
+};
+
+
+#define DEVICE_PATH_MAX 30
+
+extern int path_eq(struct device_path *path1, struct device_path *path2);
+
+#endif /* DEVICE_PATH_H */