Add support for Raspberry Pi 2 with Fiasco.OC

repos/dde_linux/lib/mk/spec/rpi2/usb.mk

@@ -0,0 +1,51 @@
+SRC_C += \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_adp.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_attr.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_cfi.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_cil.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_cil_intr.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_driver.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_hcd.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_hcd_ddma.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_hcd_intr.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_hcd_linux.c \
+	usb/host/dwc_otg/dwc_otg/dwc_otg_hcd_queue.c
+
+SRC_C += \
+	usb/host/dwc_otg/dwc_common_port/dwc_cc.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_common_linux.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_crypto.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_dh.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_mem.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_modpow.c \
+	usb/host/dwc_otg/dwc_common_port/dwc_notifier.c
+
+SRC_C += net/usb/usbnet.c net/usb/smsc95xx.c
+
+include $(REP_DIR)/lib/mk/spec/arm_v7/usb.inc
+
+CC_OPT  += -DDWC_LINUX -DPLATFORM_INTERFACE
+
+# needed for 'ehci-hcd.c', which we don't use on the rpi, but it is still
+# part of the generic usb USB driver
+CC_OPT += -DCONFIG_USB_EHCI_PCI=1
+
+# for 'dwc_otg_hcd_linux.c' for enabling the FIQ, which we don't use anyway
+CC_OPT  += -DINTERRUPT_VC_USB=9
+
+# for 'dwc_otg_driver.c' for preventing calls to set_irq_type
+CC_OPT  += -DIRQF_TRIGGER_LOW=1
+
+INC_DIR += $(LX_CONTRIB_DIR)/drivers/usb/host/dwc_otg/dwc_common_port \
+           $(LX_CONTRIB_DIR)/drivers/usb/host/dwc_otg/dwc_otg
+SRC_CC  += platform.cc
+
+vpath platform.cc $(LIB_DIR)/spec/rpi2
+vpath %.c         $(LX_CONTRIB_DIR)/drivers/net/usb
+
+# enable C++11 support
+CC_CXX_OPT += -std=gnu++11
+
+LIBS += rpi_usb
+
+CC_CXX_WARN_STRICT =