css_common.mk

#
# Copyright (c) 2015-2017, 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_DRIVER	?=	0

PLAT_INCLUDES		+=	-Iinclude/plat/arm/css/common			\
				-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		\
				plat/arm/css/drivers/scpi/css_mhu.c		\
				plat/arm/css/drivers/scpi/css_scpi.c

BL2U_SOURCES		+=	plat/arm/css/common/css_bl2u_setup.c		\
				plat/arm/css/drivers/scpi/css_mhu.c		\
				plat/arm/css/drivers/scpi/css_scpi.c

BL31_SOURCES		+=	plat/arm/css/common/css_pm.c			\
				plat/arm/css/common/css_topology.c

ifeq (${CSS_USE_SCMI_DRIVER},0)
BL31_SOURCES		+=	plat/arm/css/drivers/scp/css_pm_scpi.c		\
				plat/arm/css/drivers/scpi/css_mhu.c		\
				plat/arm/css/drivers/scpi/css_scpi.c
else
BL31_SOURCES		+=	plat/arm/css/drivers/scp/css_pm_scmi.c		\
				plat/arm/css/drivers/scmi/scmi_common.c		\
				plat/arm/css/drivers/scmi/scmi_pwr_dmn_proto.c	\
				plat/arm/css/drivers/scmi/scmi_sys_pwr_proto.c
endif

ifneq (${RESET_TO_BL31},0)
  $(error "Using BL31 as the reset vector is not supported on CSS platforms. \
  Please set RESET_TO_BL31 to 0.")
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 FWU_FIP_ADD_IMG,SCP_BL2U,--scp-fwu-cfg))
  endif

  BL2U_SOURCES		+=	plat/arm/css/drivers/scp/css_bom_bootloader.c
  BL2_SOURCES		+=	plat/arm/css/drivers/scp/css_bom_bootloader.c
endif

# 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))

# Process CSS_USE_SCMI_DRIVER flag
$(eval $(call assert_boolean,CSS_USE_SCMI_DRIVER))
$(eval $(call add_define,CSS_USE_SCMI_DRIVER))