99 lines
3.0 KiB
Makefile
99 lines
3.0 KiB
Makefile
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# -*- makefile -*-
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# Copyright 2013 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Microchip(MCHP) MEC chip specific files build
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#
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# pass verbose build setting to SPI image generation script
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SCRIPTVERBOSE=
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ifeq ($(V),1)
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SCRIPTVERBOSE=--verbose
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endif
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# MCHP MEC SoC's have a Cortex-M4 ARM core
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CORE:=cortex-m
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# Allow the full Cortex-M4 instruction set
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CFLAGS_CPU+=-march=armv7e-m -mcpu=cortex-m4
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# JTAG debug with Keil ARM MDK debugger
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# do not allow GCC dwarf debug extensions
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#CFLAGS_DEBUG_EXTRA=-gdwarf-3 -gstrict-dwarf
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LDFLAGS_EXTRA=
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ifeq ($(CONFIG_LTO),y)
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# Re-include the core's build.mk file so we can remove the lto flag.
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include core/$(CORE)/build.mk
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endif
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# Required chip modules
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chip-y=clock.o gpio.o hwtimer.o system.o uart.o port80.o tfdp.o
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chip-$(CONFIG_ADC)+=adc.o
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chip-$(CONFIG_DMA)+=dma.o
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chip-$(CONFIG_HOSTCMD_ESPI)+=espi.o
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chip-$(CONFIG_FANS)+=fan.o
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chip-$(CONFIG_FLASH_PHYSICAL)+=flash.o
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chip-$(CONFIG_I2C)+=i2c.o
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chip-$(CONFIG_MEC_GPIO_EC_CMDS)+=gpio_cmds.o
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chip-$(CONFIG_HOSTCMD_X86)+=lpc.o
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chip-$(CONFIG_MCHP_GPSPI)+=gpspi.o
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chip-$(CONFIG_PWM)+=pwm.o
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chip-$(CONFIG_SPI)+=spi.o qmspi.o
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chip-$(CONFIG_TFDP)+=tfdp.o
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chip-$(CONFIG_WATCHDOG)+=watchdog.o
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chip-$(HAS_TASK_KEYSCAN)+=keyboard_raw.o
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# location of the scripts and keys used to pack the SPI flash image
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SCRIPTDIR:=./chip/${CHIP}/util
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# Allow SPI size to be overridden by board specific size, default to 512KB
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CHIP_SPI_SIZE_KB?=512
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TEST_SPI=
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ifeq ($(CONFIG_MCHP_LFW_DEBUG),y)
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TEST_SPI=--test_spi
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endif
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# pack_ec.py creates SPI flash image for MEC
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# _rw_size is CONFIG_RW_SIZE
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# Commands to convert $^ to $@.tmp
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cmd_obj_to_bin = $(OBJCOPY) --gap-fill=0xff -O binary $< $@.tmp1 ; \
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${SCRIPTDIR}/pack_ec.py -o $@.tmp -i $@.tmp1 \
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--loader_file $(chip-lfw-flat) ${TEST_SPI} \
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--spi_size ${CHIP_SPI_SIZE_KB} \
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--image_size $(_rw_size) ${SCRIPTVERBOSE}; rm -f $@.tmp1
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chip-lfw = chip/${CHIP}/lfw/ec_lfw
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chip-lfw-flat = $(out)/RW/$(chip-lfw)-lfw.flat
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# build these specifically for lfw with -lfw suffix
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objs_lfw = $(patsubst %, $(out)/RW/%-lfw.o, \
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$(addprefix common/, util gpio) \
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$(addprefix chip/$(CHIP)/, spi qmspi dma gpio clock hwtimer tfdp) \
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core/$(CORE)/cpu $(chip-lfw))
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# reuse version.o (and its dependencies) from main board
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objs_lfw += $(out)/RW/common/version.o
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dirs-y+=chip/$(CHIP)/lfw
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# objs with -lfw suffix are to include lfw's gpio
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$(out)/RW/%-lfw.o: private CC+=-I$(BDIR)/lfw -DLFW=$(EMPTY)
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# Remove the lto flag for the loader. It actually causes it to bloat in size.
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ifeq ($(CONFIG_LTO),y)
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$(out)/RW/%-lfw.o: private CFLAGS_CPU := $(filter-out -flto, $(CFLAGS_CPU))
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endif
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$(out)/RW/%-lfw.o: %.c
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$(call quiet,c_to_o,CC )
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# let lfw's elf link only with selected objects
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$(out)/RW/%-lfw.elf: private objs = $(objs_lfw)
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$(out)/RW/%-lfw.elf: override shlib :=
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$(out)/RW/%-lfw.elf: %.ld $(objs_lfw)
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$(call quiet,elf,LD )
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# final image needs lfw loader
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$(out)/$(PROJECT).bin: $(chip-lfw-flat)
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