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# SPDX-License-Identifier: GPL-2.0
#
# Makefile for GXP driver.
#
GXP_CHIP := CALLISTO
CONFIG_$(GXP_CHIP) ?= m
GCIP_DIR := gcip-kernel-driver/drivers/gcip
obj-$(CONFIG_$(GXP_CHIP)) += gxp.o
gxp-objs += \
gxp-bpm.o \
gxp-client.o \
gxp-core-telemetry.o \
gxp-debug-dump.o \
gxp-debugfs.o \
gxp-dma-iommu.o \
gxp-dmabuf.o \
gxp-domain-pool.o \
gxp-doorbell.o \
gxp-eventfd.o \
gxp-firmware-data.o \
gxp-firmware.o \
gxp-lpm.o \
gxp-mailbox-driver.o \
gxp-mailbox-manager.o \
gxp-mailbox.o \
gxp-mapping.o \
gxp-mb-notification.o \
gxp-pm.o \
gxp-range-alloc.o \
gxp-ssmt.o \
gxp-thermal.o \
gxp-vd.o \
gxp-wakelock.o
ifeq ($(GXP_CHIP),CALLISTO)
USE_GCIP := TRUE
gxp-objs += \
callisto-platform.o \
gxp-dci.o \
gxp-kci.o \
gxp-mcu-firmware.o \
gxp-mcu-telemetry.o \
gxp-mcu.o \
gxp-uci.o \
gxp-usage-stats.o
EDGETPU_CHIP := rio
endif
ifeq ($(CONFIG_$(GXP_CHIP)),m)
ifeq ($(USE_GCIP),TRUE)
gxp-objs += $(GCIP_DIR)/gcip.o
endif
endif
KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
include $(KERNEL_SRC)/../private/google-modules/soc/gs/Makefile.include
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)$(GIT_REPO_STATE)\"
else
ccflags-y += -DGIT_REPO_TAG=\"Not\ a\ git\ repository\"
endif
# If building via make directly, specify target platform by adding
# "GXP_PLATFORM=<target>"
# With one of the following values:
# - SILICON
# - ZEBU
# - IP_ZEBU
# - GEM5
# Defaults to building for SILICON if not otherwise specified.
GXP_PLATFORM ?= SILICON
gxp-flags := -DCONFIG_GXP_$(GXP_PLATFORM) -DCONFIG_$(GXP_CHIP)=1 \
-I$(M)/include -I$(M)/gcip-kernel-driver/include \
-I$(srctree)/$(M)/include \
-I$(srctree)/$(M)/gcip-kernel-driver/include \
-I$(srctree)/drivers/gxp/include
ccflags-y += $(EXTRA_CFLAGS) $(gxp-flags)
KBUILD_OPTIONS += GXP_CHIP=$(GXP_CHIP) GXP_PLATFORM=$(GXP_PLATFORM)
# Access TPU driver's exported symbols.
KBUILD_EXTRA_SYMBOLS += ../google-modules/edgetpu/$(EDGETPU_CHIP)/drivers/edgetpu/Module.symvers
ifneq ($(USE_GCIP),TRUE)
modules modules_install clean:
$(MAKE) -C $(KERNEL_SRC) M=$(M) W=1 $(KBUILD_OPTIONS) $(@)
else
modules modules_install:
$(MAKE) -C $(KERNEL_SRC) M=$(M)/$(GCIP_DIR) gcip.o
$(MAKE) -C $(KERNEL_SRC) M=$(M) W=1 $(KBUILD_OPTIONS) $(@)
clean:
$(MAKE) -C $(KERNEL_SRC) M=$(M)/$(GCIP_DIR) $(@)
$(MAKE) -C $(KERNEL_SRC) M=$(M) W=1 $(KBUILD_OPTIONS) $(@)
endif
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