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#
# Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
# By default, SCP images are needed by CSS platforms.
CSS_LOAD_SCP_IMAGES ?= 1
# By default, SCMI driver is disabled for CSS platforms
CSS_USE_SCMI_SDS_DRIVER ?= 0
PLAT_INCLUDES += -Iinclude/plat/arm/css/common/aarch64
PLAT_BL_COMMON_SOURCES += plat/arm/css/common/${ARCH}/css_helpers.S
BL1_SOURCES += plat/arm/css/common/css_bl1_setup.c
BL2_SOURCES += plat/arm/css/common/css_bl2_setup.c
BL2U_SOURCES += plat/arm/css/common/css_bl2u_setup.c
BL31_SOURCES += plat/arm/css/common/css_pm.c \
plat/arm/css/common/css_topology.c
ifeq (${CSS_USE_SCMI_SDS_DRIVER},0)
BL31_SOURCES += drivers/arm/css/mhu/css_mhu.c \
drivers/arm/css/scp/css_pm_scpi.c \
drivers/arm/css/scpi/css_scpi.c
else
BL31_SOURCES += drivers/arm/css/mhu/css_mhu_doorbell.c \
drivers/arm/css/scmi/scmi_ap_core_proto.c \
drivers/arm/css/scmi/scmi_common.c \
drivers/arm/css/scmi/scmi_pwr_dmn_proto.c \
drivers/arm/css/scmi/scmi_sys_pwr_proto.c \
drivers/delay_timer/delay_timer.c \
drivers/arm/css/scp/css_pm_scmi.c
endif
# Process CSS_LOAD_SCP_IMAGES flag
$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES))
$(eval $(call add_define,CSS_LOAD_SCP_IMAGES))
ifeq (${CSS_LOAD_SCP_IMAGES},1)
NEED_SCP_BL2 := yes
ifneq (${TRUSTED_BOARD_BOOT},0)
$(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_))
endif
ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
BL2U_SOURCES += drivers/arm/css/scp/css_sds.c \
drivers/arm/css/sds/sds.c
BL2_SOURCES += drivers/arm/css/scp/css_sds.c \
drivers/arm/css/sds/sds.c
else
BL2U_SOURCES += drivers/arm/css/mhu/css_mhu.c \
drivers/arm/css/scp/css_bom_bootloader.c \
drivers/arm/css/scpi/css_scpi.c
BL2_SOURCES += drivers/arm/css/mhu/css_mhu.c \
drivers/arm/css/scp/css_bom_bootloader.c \
drivers/arm/css/scpi/css_scpi.c
# Enable option to detect whether the SCP ROM firmware in use predates version
# 1.7.0 and therefore, is incompatible.
CSS_DETECT_PRE_1_7_0_SCP := 1
# Process CSS_DETECT_PRE_1_7_0_SCP flag
$(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP))
$(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP))
endif
endif
ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
PLAT_BL_COMMON_SOURCES += drivers/arm/css/sds/${ARCH}/sds_helpers.S
endif
# Process CSS_USE_SCMI_SDS_DRIVER flag
$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER))
$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER))
# Process CSS_NON_SECURE_UART flag
# This undocumented build option is only to enable debug access to the UART
# from non secure code, which is useful on some platforms.
# Default (obviously) is off.
CSS_NON_SECURE_UART := 0
$(eval $(call assert_boolean,CSS_NON_SECURE_UART))
$(eval $(call add_define,CSS_NON_SECURE_UART))
# Process CSS_SYSTEM_GRACEFUL_RESET flag
# This build option can be used on CSS platforms that require all the CPUs
# to execute the CPU specific power down sequence to complete a warm reboot
# sequence in which only the CPUs are power cycled.
CSS_SYSTEM_GRACEFUL_RESET := 0
$(eval $(call add_define,CSS_SYSTEM_GRACEFUL_RESET))
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