# WARNING: For two multi stage bootloader to compile makefile must run from the
# bootloader directory otherwise it will not link! Please take this in to 
# consideration when modifying this makefile and build process.

# Project Root Directory
PROOT := $(shell cd ../../../ ; /bin/pwd)

DEBUG ?= y

# we always have to build at least 2 stage bootloader. MULTI_STAGE flag
# is no longer applicable

BLD_TARGET = bootloader

# move BUILD_SHMOO to makefile as one of build options.
BUILD_SHMOO ?= n
CFG_PROFILE ?= 1
ifeq ($(AOV_SDRAM_1G),y)
DDR_DEV_TECH_1GBYTE = 0x2
else
DDR_DEV_TECH_1GBYTE = 0x3
endif

# use new ddr40phy shmoo
ENABLE_NEW_SHMOO ?=y

# Dram scrambling test option. A0/A1 Multistage bootloader only.
ENABLE_BOOT_SCRAMBLE_DRAM ?= n

# complie in BSP firmware
ENABLE_BSEC=n

include $(PROOT)/dta/build/platform.inc

MAGNUM = $(PROOT)/magnum
BSP = $(PROOT)/rockford/bsp
LIBDIR = $(PROOT)/dta/lib
DTADIR = $(PROOT)/dta
BLDDIR = $(PROOT)/dta/src/bootloader7574

CFLAGS += -ffunction-sections

CFLAGS += -DBCHP_CHIP=$(BCHP_CHIP) -DBCHP_VER=BCHP_VER_$(BCHP_VER)
CFLAGS += -DBSTD_CPU_ENDIAN=BSTD_ENDIAN_LITTLE

ifeq ($(strip $(CFG_PROFILE)),1)
DDR_FREQ_MHZ ?= 533
CFLAGS += -DPROFILE=1 \
	-DCPU_MDIV=8 \
	-DAVD_MDIV=15 \
	-DAVD_CPU_MDIV=15 \
	-DDSP_MDIV=15 \
	-DSCB_MDIV=12
endif
ifeq ($(strip $(CFG_PROFILE)),2)
DDR_FREQ_MHZ ?= 800
CFLAGS += -DPROFILE=2 \
	-DCPU_MDIV=6 \
	-DAVD_MDIV=12 \
	-DAVD_CPU_MDIV=12 \
	-DDSP_MDIV=8 \
	-DSCB_MDIV=12
endif
ifeq ($(strip $(CFG_PROFILE)),3)
DDR_FREQ_MHZ ?= 933
CFLAGS += -DPROFILE=3 \
	-DCPU_MDIV=5 \
	-DAVD_MDIV=10 \
	-DAVD_CPU_MDIV=8 \
	-DDSP_MDIV=8 \
	-DSCB_MDIV=11
endif
ifeq ($(strip $(CFG_PROFILE)),4)
#RLQ, need to get right settings for 400 MHz
DDR_FREQ_MHZ ?= 400
CFLAGS += -DPROFILE=4 \
	-DCPU_MDIV=8 \
	-DAVD_MDIV=15 \
	-DAVD_CPU_MDIV=15 \
	-DDSP_MDIV=15 \
	-DSCB_MDIV=12
endif
ifeq ($(strip $(CFG_PROFILE)),5)
DDR_FREQ_MHZ ?= 667
#RLQ, need to get right settings for 667 MHz
CFLAGS += -DPROFILE=5 \
    -DCPU_MDIV=8 \
    -DAVD_MDIV=15 \
    -DAVD_CPU_MDIV=15 \
    -DDSP_MDIV=15 \
    -DSCB_MDIV=12
endif

CFLAGS += -DMEMC_0_DEV_TECH=$(DDR_DEV_TECH_1GBYTE)
CFLAGS += -DMEMC_0_DDR_FREQ=$(DDR_FREQ_MHZ)
CFLAGS += -DMEMC_0_DDR_WIDTH=MEMC_DDR_16BIT
CFLAGS += -DMEMC_0_DDR_MODE=MEMC_MODE_DDR3

ifeq ($(ENABLE_BOOT_SCRAMBLE_DRAM),y)
CFLAGS += -DBOOT_SCRAMBLE_DRAM=1
endif

CFLAGS += -I$(MAGNUM)/basemodules/chp/$(BCHP_CHIP)/rdb/$(BCHP_VER_LOWER) \
	-I$(MAGNUM)/basemodules/chp \
	-I$(MAGNUM)/basemodules/std \
	-I$(MAGNUM)/basemodules/std/config \
	-I$(MAGNUM)/basemodules/std/types/ucos_ii \
	-I$(MAGNUM)/basemodules/err \
	-I$(MAGNUM)/basemodules/dbg \
	-I$(MAGNUM)/basemodules/reg \
	-I$(MAGNUM)/commonutils/lst \

CFLAGS += -I$(BSP)/bcm9$(BCHP_CHIP)/no-os/src/sde \
	-I$(BSP)/Shmoo/$(BCHP_CHIP)/shmoo_lib/include \
	-I$(BSP)/Shmoo/$(BCHP_CHIP)/shmoo_lib/src

CFLAGS += -I$(DTADIR)/src -I$(DTADIR)/src/z

ifeq ($(HAS_STANDBY),y)
CFLAGS += -DCONFIG_STANDBY -DUSERIO_ID=$(USERIO_ID)
endif

S1_SRC := bls1.S

XMODEM_SRC := $(DTADIR)/src/xmodem.c
Z_SRC := $(DTADIR)/src/z/adler32.c \
	$(DTADIR)/src/z/crc32.c \
	$(DTADIR)/src/z/inffast.c \
	$(DTADIR)/src/z/inflate.c \
	$(DTADIR)/src/z/inftrees.c \
	$(DTADIR)/src/z/zutil.c

BLD_SRC := bls2.S stage2.c clocks.c fast_heap.c $(XMODEM_SRC) $(Z_SRC)

ifeq (${HAS_STANDBY},y)
BLD_SRC += cir.c
endif

S1_OBJ :=  $(subst .S,.o,$(filter %.S, $(S1_SRC))) $(subst .c,.o, $(filter %.c, $(S1_SRC)))

BLD_OBJ := $(patsubst %.S,%.o,$(filter %.S,$(BLD_SRC))) $(patsubst %.s,%.o,$(filter %.s,$(BLD_SRC)))  $(patsubst %.c,%.o,$(filter %.c,$(BLD_SRC)))

BLD_DEP := $(patsubst %.o,%.d,$(filter %.o,$(BLD_OBJ))) 

LDFLAGS += -T $(BLDDIR)/bootloader2s.script --gc-sections

# new shmoo does not work on A0 chip
ifeq ($(BCHP_VER),A0)
ENABLE_NEW_SHMOO = n
endif

ifeq ($(ENABLE_NEW_SHMOO),y)
SHMOO_DIR = $(BSP)/Shmoo/$(BCHP_CHIP)/shmoo_lib/ddr40phy/build
SHMOO_FILES = shmoo_aux_le.pof shmoo_core_le.pof
SHMOO_OBJ = $(addprefix $(SHMOO_DIR)/, $(SHMOO_FILES))
CFLAGS += -DNEW_SHMOO=1 
ifeq ($(ENABLE_AVS),y)
CFLAGS += -DAVS_ENABLE=1
AVS_FILES = avs_start_le.pof
AVS_DIR = $(BSP)/Shmoo/$(BCHP_CHIP)/shmoo_lib/build
AVS_OBJ =  $(addprefix $(AVS_DIR)/, $(AVS_FILES))
SHMOO_LIB = $(AVS_OBJ)
endif
SHMOO_LIB += $(SHMOO_OBJ)
else
ifeq ($(BUILD_SHMOO),y)
SHMOO_VERSION_MAJ = 1
SHMOO_VERSION_MIN = 0
SHMOO_FILES = memc_0_shmoo.c
SHMOO_DIR = $(BSP)/Shmoo/$(BCHP_CHIP)/shmoo_lib/src
SHMOO_SRC = $(addprefix $(SHMOO_DIR)/, $(SHMOO_FILES))
SHMOO_OBJ = $(patsubst %.c,%.o,$(filter %.c,$(SHMOO_SRC)))
SHMOO_DEP = $(patsubst %.o,%.d,$(filter %.o,$(SHMOO_OBJ)))
endif
SHMOO_LIB = $(LIBDIR)/libshmoo.a
endif

ifeq ($(ENABLE_BSEC),y)
BSEC_OBJ = key0data.o bsec_053_hddta.o
endif

all : $(BLD_TARGET).bin

$(BLD_TARGET).bin : $(BLD_TARGET).elf
	$(OBJCOPY) -S -O binary $< $@

$(BLD_TARGET).elf : $(BLD_TARGET)_s1l.o  $(BSEC_OBJ) $(BLD_TARGET).o
	$(LD) -Map $(basename $@).map $(LDFLAGS) $^ $(LDLIBS) -o $@

clean : $(BLD_TARGET)_clean 

$(BLD_TARGET)_clean:
	$(RM) -f $(BLD_TARGET).elf $(BLD_TARGET).bin $(BLD_TARGET).map $(BLD_OBJ) $(BLD_DEP) $(S1_OBJ) $(BLD_TARGET)_s1.o $(BLD_TARGET)_s1l.o $(BLD_TARGET).o 

$(BLD_TARGET)_s1.o : $(S1_OBJ) $(SHMOO_LIB)
	$(LD) -r $(LFLAGS) $^ -o $@

$(BLD_TARGET)_s1l.o : $(BLD_TARGET)_s1.o
	$(OBJCOPY) -w -G __start -G key1 $^ $@

$(BLD_TARGET).o : $(BLD_OBJ)
	$(LD) -r $(LFLAGS) $^ -o $@

ifeq ($(BUILD_SHMOO),y)

$(LIBDIR)/libshmoo.a : $(SHMOO_OBJ) $(LIBDIR)/libshmoo.a($(SHMOO_OBJ))

# Extra flags for shmoo build. We must enable optimization at least for the
# shmoo library, else bootloader does not fit in 0x7400 bytes. We also must
# remove -nostdinc statement as the shmoo requres some files from the standard
# include directories
$(LIBDIR)/libshmoo.a : CFLAGS := $(filter-out -nostdinc,$(CFLAGS)) -Os

ifeq ($(ENABLE_NEW_SHMOO),y)
shmoo_clean :
	$(RM) -f $(LIBDIR)/libshmoo.a
else
shmoo_clean :
	$(RM) -f $(LIBDIR)/libshmoo.a  $(SHMOO_OBJ) $(SHMOO_DEP)
endif

clean : shmoo_clean

-include $(SHMOO_DEP)
endif

-include $(BLD_DEP)