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authorEric Biederman <ebiederm@xmission.com>2003-09-02 03:36:25 +0000
committerEric Biederman <ebiederm@xmission.com>2003-09-02 03:36:25 +0000
commite9a271e32c53076445ef70da8aec8201c82693ec (patch)
treeaf88f51ba907922157d3b97f9713a07480223372 /src/include/device/path.h
parentd4c14524f53d8e812cf52b57e16c53d259c44ea0 (diff)
downloadcoreboot-e9a271e32c53076445ef70da8aec8201c82693ec.tar.xz
- 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
Diffstat (limited to 'src/include/device/path.h')
-rw-r--r--src/include/device/path.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/include/device/path.h b/src/include/device/path.h
new file mode 100644
index 0000000000..cf89a68466
--- /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 */