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b12a2b493e
This patch introduces an additional layer of abstraction between CSS power management hooks and the SCPI driver. A new set of APIs are introduced in order to abstract out power management operations from underlying communication mechanism with the SCP. The SCPI and the associated MHU drivers are moved into a `drivers` folder in CSS. The new SCP communication abstraction layer is added in the `drivers/scp` folder. The existing CSS power management uses the new APIs to reflect this abstraction. Change-Id: I7d775129fc0558e9703c2724523fb8f0a916838c Signed-off-by: Soby Mathew <soby.mathew@arm.com>
83 lines
3.1 KiB
Makefile
83 lines
3.1 KiB
Makefile
#
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# Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of ARM nor the names of its contributors may be used
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# to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# By default, SCP images are needed by CSS platforms.
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CSS_LOAD_SCP_IMAGES ?= 1
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PLAT_INCLUDES += -Iinclude/plat/arm/css/common \
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-Iinclude/plat/arm/css/common/aarch64
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PLAT_BL_COMMON_SOURCES += plat/arm/css/common/aarch64/css_helpers.S
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BL1_SOURCES += plat/arm/css/common/css_bl1_setup.c
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BL2_SOURCES += plat/arm/css/common/css_bl2_setup.c \
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plat/arm/css/drivers/scpi/css_mhu.c \
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plat/arm/css/drivers/scpi/css_scpi.c
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BL2U_SOURCES += plat/arm/css/common/css_bl2u_setup.c \
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plat/arm/css/drivers/scpi/css_mhu.c \
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plat/arm/css/drivers/scpi/css_scpi.c
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BL31_SOURCES += plat/arm/css/common/css_pm.c \
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plat/arm/css/common/css_topology.c \
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plat/arm/css/drivers/scp/css_pm_scpi.c \
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plat/arm/css/drivers/scpi/css_mhu.c \
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plat/arm/css/drivers/scpi/css_scpi.c
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ifneq (${RESET_TO_BL31},0)
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$(error "Using BL31 as the reset vector is not supported on CSS platforms. \
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Please set RESET_TO_BL31 to 0.")
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endif
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# Process CSS_LOAD_SCP_IMAGES flag
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$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES))
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$(eval $(call add_define,CSS_LOAD_SCP_IMAGES))
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ifeq (${CSS_LOAD_SCP_IMAGES},1)
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$(eval $(call FIP_ADD_IMG,SCP_BL2,--scp-fw))
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ifneq (${TRUSTED_BOARD_BOOT},0)
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$(eval $(call FWU_FIP_ADD_IMG,SCP_BL2U,--scp-fwu-cfg))
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endif
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BL2U_SOURCES += plat/arm/css/common/css_scp_bootloader.c
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BL2_SOURCES += plat/arm/css/common/css_scp_bootloader.c
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endif
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# Enable option to detect whether the SCP ROM firmware in use predates version
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# 1.7.0 and therefore, is incompatible.
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CSS_DETECT_PRE_1_7_0_SCP := 1
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# Process CSS_DETECT_PRE_1_7_0_SCP flag
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$(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP))
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$(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP))
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