net: ethernet: motorcomm: Add yt6801 driver

drivers/net/ethernet/Kconfig

@@ -43,6 +43,7 @@ source "drivers/net/ethernet/chelsio/Kconfig"
 source "drivers/net/ethernet/cirrus/Kconfig"
 source "drivers/net/ethernet/cisco/Kconfig"
 source "drivers/net/ethernet/cortina/Kconfig"
+source "drivers/net/ethernet/motorcomm/Kconfig"
 
 config CX_ECAT
 	tristate "Beckhoff CX5020 EtherCAT master support"

drivers/net/ethernet/Makefile

@@ -95,3 +95,4 @@ obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/
 obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/
 obj-$(CONFIG_NET_VENDOR_SYNOPSYS) += synopsys/
 obj-$(CONFIG_NET_VENDOR_PENSANDO) += pensando/
+obj-$(CONFIG_NET_VENDOR_MOTORCOMM) += motorcomm/

drivers/net/ethernet/motorcomm/Kconfig

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config NET_VENDOR_MOTORCOMM
+	bool "Motorcomm devices"
+	default y
+	help
+	  If you have a network (Ethernet) device belonging to this class, say Y.
+
+	  Note that the answer to this question doesn't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about motorcomm devices. If you say Y, you will be asked
+	  for your specific device in the following questions.
+
+if NET_VENDOR_MOTORCOMM
+
+config FUXI
+	tristate "motorcomm fuxi Ethernet support"
+
+endif #NET_VENDOR_MOTORCOMM

drivers/net/ethernet/motorcomm/Makefile

@@ -0,0 +1,40 @@
+# SUBARCH tells the usermode build what the underlying arch is.  That is set
+# first, and if a usermode build is happening, the "ARCH=um" on the command
+# line overrides the setting of ARCH below.  If a native build is happening,
+# then ARCH is assigned, getting whatever value it gets normally, and
+# SUBARCH is subsequently ignored.
+# eg:
+# x86(make modules or make)
+# arm(make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules)
+SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/ -e s/s390x/s390/ -e s/parisc64/parisc/ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ -e s/riscv.*/riscv/)
+CURARCH ?= $(SUBARCH)
+ARCH ?= $(SUBARCH)
+CROSS_COMPILE ?= 
+CONFIG_MODULE_SIG=n
+EXTRA_CFLAGS = -Wall -g -I$(CURDIR) -I$(subst fuxi-linux-release-package/module_fuxi/src,common,$(PWD)) -I$(PWD)
+EXTRA_CFLAGS += -DFXGMAC_DEBUG
+KSRC = /lib/modules/`uname -r`/build
+KDST = /lib/modules/`uname -r`/kernel/drivers/net/ethernet/motorcomm/
+KFILE = yt6801.ko
+ifneq ($(filter arm arm64, $(ARCH)),)
+	ifeq ($(CURARCH), x86)
+		# if you want to compile driver with linux kernel source code,you should specify the source path(KSRC), such as:
+		# KSRC = /home/mxl/ti-processor-sdk-linux-am57xx-evm-06.03.00.106/board-support/linux-4.19.94+gitAUTOINC+be5389fd85-gbe5389fd85
+	endif
+endif
+yt6801-objs :=  fuxi-gmac-common.o fuxi-gmac-desc.o fuxi-gmac-ethtool.o fuxi-gmac-hw.o fuxi-gmac-net.o fuxi-gmac-pci.o fuxi-gmac-phy.o fuxi-efuse.o fuxi-dbg.o fuxi-gmac-debugfs.o
+obj-m += yt6801.o
+modules:
+	make -C $(KSRC) M=$(PWD) modules
+install:
+	sudo install -d $(KDST)
+	sudo install $(KFILE) $(KDST)
+	sudo depmod -a
+	@file $(KDST)$(KFILE)
+	@echo install done.
+uninstall:
+	sudo rm $(KDST)$(KFILE)
+	sudo ls -l $(KDST)
+clean:
+	make -C $(KSRC) M=$(PWD) clean
+.PHONY:modules install uninstall clean

drivers/net/ethernet/motorcomm/Makefile_into_kernel

@@ -0,0 +1,4 @@
+obj-$(CONFIG_FUXI) += fuxi.o
+fuxi-objs :=  fuxi-gmac-common.o fuxi-gmac-desc.o fuxi-gmac-ethtool.o fuxi-gmac-hw.o \
+				fuxi-gmac-net.o fuxi-gmac-pci.o fuxi-gmac-phy.o fuxi-efuse.o fuxi-dbg.o \
+				fuxi-gmac-debugfs.o

drivers/net/ethernet/motorcomm/Notice.txt

@@ -0,0 +1,30 @@
+=============================================================================
+
+This file contains certain notices of software components included with
+the software that Motorcomm, Inc. ("Motorcomm") is required to 
+provide you. Except where prohibited by the open source license, the 
+content of this file is provided solely to satisfy Motorcomm's attribution 
+and notice requirement; your use of these software components 
+together with the Motorcomm software ("Software") is subject to the terms 
+of your license from Motorcomm. Compliance with all copyright laws and 
+software license agreements included in the notice section of this 
+file are the responsibility of the user. Except as may be granted by 
+separate express written agreement, this file provides no license to 
+any patents, trademarks, copyrights, or other intellectual property 
+of Motorcomm or any of its subsidiaries.
+
+Software provided with this notice is NOT A CONTRIBUTION to any open 
+source project. If alternative licensing is available for any of the 
+components with licenses or attributions provided below, a license 
+choice is made for receiving such code by Motorcomm.
+
+Copyright (c) 2021 Motorcomm, Inc. All rights reserved.
+
+Motorcomm is a trademark of Motorcomm Incorporated, registered in China
+and other countries. All Motorcomm Incorporated trademarks 
+are used with permission. Other products and brand names may be 
+trademarks or registered trademarks of their respective owners.
+
+=============================================================================
+
+

drivers/net/ethernet/motorcomm/dkms.conf

@@ -0,0 +1,7 @@
+PACKAGE_NAME="yt6801"
+PACKAGE_VERSION="1.0.21"
+CLEAN="make clean"
+MAKE[0]="make"
+BUILT_MODULE_NAME[0]="yt6801"
+DEST_MODULE_LOCATION[0]="/kernel/drivers/motorcomm"
+AUTOINSTALL="yes"