78 lines
2.5 KiB
Makefile
78 lines
2.5 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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# MEC1322 chip specific files build
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#
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# MEC1322 SoC has 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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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
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chip-$(CONFIG_ADC)+=adc.o
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chip-$(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-$(CONFIG_HOSTCMD_LPC)+=lpc.o
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chip-$(CONFIG_PWM)+=pwm.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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chip-$(CONFIG_DMA)+=dma.o
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chip-$(CONFIG_SPI)+=spi.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 256KB.
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CHIP_SPI_SIZE_KB?=256
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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 $(mec1322-lfw-flat) \
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--payload_key ${SCRIPTDIR}/rsakey_sign_payload.pem \
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--header_key ${SCRIPTDIR}/rsakey_sign_header.pem \
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--spi_size ${CHIP_SPI_SIZE_KB} \
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--image_size $(_rw_size); rm -f $@.tmp1
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mec1322-lfw = chip/mec1322/lfw/ec_lfw
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mec1322-lfw-flat = $(out)/RW/$(mec1322-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 dma gpio clock hwtimer) \
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core/$(CORE)/cpu $(mec1322-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: $(mec1322-lfw-flat)
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