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# SPDX-License-Identifier: GPL-2.0
#
# Makefile for GXP driver.
#
obj-$(CONFIG_GXP) += gxp.o
gxp-objs += \
gxp-bpm.o \
gxp-debug-dump.o \
gxp-debugfs.o \
gxp-doorbell.o \
gxp-firmware.o \
gxp-firmware-data.o \
gxp-lpm.o \
gxp-mailbox.o \
gxp-mapping.o \
gxp-platform.o \
gxp-range-alloc.o \
gxp-pm.o \
gxp-telemetry.o \
gxp-vd.o
KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
M ?= $(shell pwd)
# If building via make directly, specify target platform by adding
# "GXP_PLATFORM=<target>"
# With one of the following values:
# - CLOUDRIPPER
# - ZEBU
# - IP_ZEBU
# Defaults to building for CLOUDRIPPER if not otherwise specified.
GXP_PLATFORM ?= CLOUDRIPPER
# Default to using the HW mailbox and SysMMU
GXP_SW_MAILBOX ?= 0
GXP_HAS_SYSMMU ?= 1
# Setup the linked mailbox implementation and definitions.
ifeq ($(GXP_SW_MAILBOX),1)
ccflags-y += -DCONFIG_GXP_USE_SW_MAILBOX
gxp-objs += gxp-sw-mailbox-driver.o
else
gxp-objs += gxp-hw-mailbox-driver.o
endif
# Setup which version of the gxp-dma interface is used.
ifeq ($(GXP_HAS_SYSMMU),1)
ccflags-y += -DCONFIG_GXP_HAS_SYSMMU
gxp-objs += gxp-dma-iommu.o
else
gxp-objs += gxp-dma-rmem.o
endif
ccflags-y += -DCONFIG_GXP_$(GXP_PLATFORM)
KBUILD_OPTIONS += CONFIG_GXP=m
ifdef CONFIG_GXP_TEST
subdir-ccflags-y += -Wall -Werror
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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