USB: Add generic ULPI layer and a viewport
Add partial ULPI specification implementation that should be enough to
interface the ULPI PHYs in the boot loader context.
Add a viewport implementation for Chipidea/ARC based controllers.
Signed-off-by: Jana Rapava <fermata7@gmail.com>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: Remy Bohmer <linux@bohmer.net>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Grandegger <wg@denx.de>
Cc: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/ulpi/Makefile b/drivers/usb/ulpi/Makefile
new file mode 100644
index 0000000..d43b229
--- /dev/null
+++ b/drivers/usb/ulpi/Makefile
@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2011 Jana Rapava <fermata7@gmail.com>
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB := $(obj)libusb_ulpi.o
+
+COBJS-$(CONFIG_USB_ULPI) += ulpi.o
+COBJS-$(CONFIG_USB_ULPI_VIEWPORT) += ulpi-viewport.o
+
+COBJS := $(COBJS-y)
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(LIB)
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################