powerpc: gamecube/wii: udbg support for usbgecko

Add support for using the USB Gecko adapter via the udbg facility on
the Nintendo GameCube and Wii video game consoles.
The USB Gecko is a 3rd party memory card interface adapter that provides
a EXI (External Interface) to USB serial converter.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index 97a2dbc051b9..464e4147ad63 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -94,3 +94,16 @@ config MPC10X_STORE_GATHERING
 config GAMECUBE_COMMON
         bool
 
+config USBGECKO_UDBG
+        bool "USB Gecko udbg console for the Nintendo GameCube/Wii"
+        depends on GAMECUBE_COMMON
+        help
+          If you say yes to this option, support will be included for the
+          USB Gecko adapter as an udbg console.
+          The USB Gecko is a EXI to USB Serial converter that can be plugged
+          into a memcard slot in the Nintendo GameCube/Wii.
+
+          This driver bypasses the EXI layer completely.
+
+          If in doubt, say N here.
+