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# SPDX-License-Identifier: GPL-2.0
#
# Makefile for GXP driver.
#
obj-$(CONFIG_GXP) += gxp.o
gxp-objs += \
gxp-bpm.o \
gxp-client.o \
gxp-debug-dump.o \
gxp-debugfs.o \
gxp-dmabuf.o \
gxp-domain-pool.o \
gxp-doorbell.o \
gxp-eventfd.o \
gxp-firmware.o \
gxp-firmware-data.o \
gxp-hw-mailbox-driver.o \
gxp-lpm.o \
gxp-mailbox.o \
gxp-mapping.o \
gxp-mb-notification.o \
gxp-platform.o \
gxp-range-alloc.o \
gxp-pm.o \
gxp-telemetry.o \
gxp-thermal.o \
gxp-vd.o \
gxp-wakelock.o
KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
M ?= $(shell pwd)
# Obtain the current git commit hash for logging on probe
GIT_PATH=$(shell cd $(KERNEL_SRC); readlink -e $(M))
ifeq ($(shell git --git-dir=$(GIT_PATH)/.git rev-parse --is-inside-work-tree),true)
GIT_REPO_STATE=$(shell (git --git-dir=$(GIT_PATH)/.git --work-tree=$(GIT_PATH) status --porcelain | grep -q .) && echo -dirty)
ccflags-y += -DGIT_REPO_TAG=\"$(shell git --git-dir=$(GIT_PATH)/.git rev-parse --short HEAD)$(GIT_REPO_STATE)\"
else
ccflags-y += -DGIT_REPO_TAG=\"Not\ a\ git\ repository\"
endif
# If building via make directly, specify target platform by adding
# "GXP_PLATFORM=<target>"
# With one of the following values:
# - CLOUDRIPPER
# - ZEBU
# - IP_ZEBU
# Defaults to building for CLOUDRIPPER if not otherwise specified.
GXP_PLATFORM ?= CLOUDRIPPER
GXP_CHIP ?= AMALTHEA
# Setup which version of the gxp-dma interface is used.
# For gem5, need to adopt dma interface without aux domain.
ifeq ($(GXP_PLATFORM), GEM5)
gxp-objs += gxp-dma-iommu-gem5.o
else
gxp-objs += gxp-dma-iommu.o
endif
ccflags-y += -DCONFIG_GXP_$(GXP_PLATFORM) -DCONFIG_$(GXP_CHIP)=1 \
-I$(M)/include -I$(srctree)/drivers/gxp/include
KBUILD_OPTIONS += CONFIG_GXP=m GXP_CHIP=AMALTHEA
ifdef CONFIG_GXP_TEST
subdir-ccflags-y += -Wall -Werror -I$(srctree)/drivers/gxp/include
obj-y += unittests/
include $(srctree)/drivers/gxp/unittests/Makefile.include
$(call include_test_path, $(gxp-objs))
endif
# Access TPU driver's exported symbols.
KBUILD_EXTRA_SYMBOLS += ../google-modules/edgetpu/janeiro/drivers/edgetpu/Module.symvers
modules modules_install clean:
$(MAKE) -C $(KERNEL_SRC) M=$(M) W=1 $(KBUILD_OPTIONS) $(@)
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