#
#  Copyright 2017 Broadcom
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License, version 2, as
#  published by the Free Software Foundation (the "GPL").
#  
#  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 version 2 (GPLv2) for more details.
#  
#  You should have received a copy of the GNU General Public License
#  version 2 (GPLv2) along with this source code.
#
# $Id: Makefile.linux-gto-4_4,v 1.42 Broadcom SDK $
# $Copyright: (c) 2015 Broadcom Corp.
# All Rights Reserved.$

# User must select one platform from below.
ifeq (,$(BUILD_PLATFORM))
BUILD_PLATFORM=POWERPC_LINUX
endif

# TOOLCHAIN_BASE_DIR    Toolchain base directory for GTO devices
# TARGET_ARCHITECTURE   Compiler for target architecture
# KERNDIR               Kernel directory for iPROC-CMICd devices
TOOLCHAIN_BASE_DIR ?= /projects/ntsw-tools/linux/gto
TARGET_ARCHITECTURE := powerpc-broadcom-linux-gnuspe
KERNDIR ?= $(TOOLCHAIN_BASE_DIR)/kernel/current


ifeq (,$(CROSS_COMPILE))
CROSS_COMPILE := $(TARGET_ARCHITECTURE)-
endif


# GTO toolchain
TOOLCHAIN_BIN_DIR := $(TOOLCHAIN_BASE_DIR)/toolchain/host/usr/bin
override PATH := $(TOOLCHAIN_BIN_DIR)/../$(TARGET_ARCHITECTURE)/bin:$(TOOLCHAIN_BIN_DIR):$(PATH)
export TOOLCHAIN_BIN_DIR


# Default Linux include directory
ifeq (,$(LINUX_INCLUDE))
LINUX_INCLUDE := $(KERNDIR)/include
endif

CFGFLAGS += -DSYS_BE_PIO=1 -DSYS_BE_PACKET=0 -DSYS_BE_OTHER=1
ENDIAN = BE_HOST=1
CFGFLAGS += -D$(ENDIAN) 
CFGFLAGS += -DBCM_PLATFORM_STRING=\"GTO_MPC8548\"
CFGFLAGS += -DSAL_BDE_DMA_MEM_DEFAULT=32

# Extra variables.
EXTRA_CFLAGS = -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)

ARCH = powerpc
KBUILD_VERBOSE = 1

export ARCH KBUILD_VERBOSE 


# From linux/arch/ppc/Makefile
comma = ,
basetarget = $(basename $(notdir $@))
modname = $(basetarget)

name-fix = $(subst $(comma),_,$(subst -,_,$1))
basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
modname_flags  = $(if $(filter 1,$(words $(modname))),\
                 -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")

KFLAG_INCLD = $(TOOLCHAIN_BIN_DIR)/../lib/gcc/$(TARGET_ARCHITECTURE)/4.6.4/include

ifdef BROADCOM_SVK
ifeq ($PLX_PCI2LBUS, 1)
CFLAGS += -DBCM_PLX9656_LOCAL_BUS -DBDE_LINUX_NON_INTERRUPTIBLE 
endif
endif

ifdef DPP_CHIPS
CFLAGS += -DDUNE_BCM -D__DUNE_LINUX_BCM_CPU_PCP_DMA__
CFGFLAGS += -DSOC_CM_FUNCTION
endif

ifdef DFE_CHIPS
CFLAGS += -DDUNE_BCM
CFGFLAGS += -DSOC_CM_FUNCTION
endif

ifdef SAND_CHIPS
CFLAGS += -D__DUNE_GTO_BCM_CPU__ -D__DUNE_LINUX_BCM_CPU_PCIE__
endif

ifdef SHADOW_PLX
CFLAGS += -DBCM_PLX9656_LOCAL_BUS -DBDE_LINUX_NON_INTERRUPTIBLE -DSHADOW_SVK
endif

ifdef LTSW_CHIPS
# Default open source target build
OPENSRC_BUILD ?= uclibc_201402_ppc

# Hardware interface (see $SDKLT/bcma/sys/probe directory)
SYSTEM_INTERFACE ?= ngbde

# Turn on direct register access if running on real hardware.
ifeq (ngbde,$(SYSTEM_INTERFACE))
LTSW_ADD_CPPFLAGS += -DBCMDRD_CONFIG_MEMMAP_DIRECT=1
endif

export SYSTEM_INTERFACE
endif

ifeq (,$(KFLAGS))
KFLAGS := -D__KERNEL__ -m32 -nostdinc -isystem $(KFLAG_INCLD) -I$(LINUX_INCLUDE) -include $(LINUX_INCLUDE)/generated/uapi/linux/version.h -include $(LINUX_INCLUDE)/generated/autoconf.h -I$(KERNDIR)/arch/powerpc -I$(KERNDIR)/arch/powerpc/include -I$(KERNDIR)/include/asm-powerpc -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -msoft-float -pipe -ffixed-r2 -mmultiple -mno-altivec -funit-at-a-time -Wa,-me500 -fomit-frame-pointer  -Wdeclaration-after-statement -Wno-pointer-sign
endif

ifneq (,$(findstring TCL,$(FEATURE_LIST)))
#LINK_STATIC = 0
#export LINK_STATIC
endif

ifneq ($(targetplat),user)
include ${SDK}/make/Makefile.linux-kernel-4_4
endif