Add new USB code

* Create usb directory
* Remove compilation of slof-usb code
* Generalize pci-class_0c.fs
* Add usb-static.fs with alias and dummy usb-scan

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Acked-by: Thomas Huth <thuth@linux.vnet.ibm.com>

1 files changed, 32 insertions, 1 deletions

diff --git a/slof/fs/usb/usb-static.fs b/slof/fs/usb/usb-static.fs
index 5a941e6..9d40fc0 100644
--- a/slof/fs/usb/usb-static.fs
+++ b/slof/fs/usb/usb-static.fs
@@ -9,5 +9,36 @@
 \ * Contributors:
 \ *     IBM Corporation - initial implementation
 \ ****************************************************************************/
-: usb-scan
+
+\ register device alias
+: do-alias-setting ( num name-str name-len )
+   rot $cathex strdup            \ create alias name
+   get-node node>path            \ get path string
+   set-alias                     \ and set the alias
+;
+
+0 VALUE ohci-alias-num
+0 VALUE ehci-alias-num
+0 VALUE xhci-alias-num
+
+\ create a new ohci device alias for the current node
+: set-ohci-alias  (  -- )
+    ohci-alias-num dup 1+ TO ohci-alias-num    ( num )
+    s" ohci" do-alias-setting
+;
+
+\ create a new ehci device alias for the current node
+: set-ehci-alias  (  -- )
+    ehci-alias-num dup 1+ TO ehci-alias-num    ( num )
+    s" ehci" do-alias-setting
+;
+
+\ create a new xhci device alias for the current node
+: set-xhci-alias  (  -- )
+    xhci-alias-num dup 1+ TO xhci-alias-num    ( num )
+    s" xhci" do-alias-setting
+;
+
+: usb-scan ( -- )
+    ." Scanning USB " cr
 ;