1# 2# Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7 8# By default, SCP images are needed by CSS platforms. 9CSS_LOAD_SCP_IMAGES ?= 1 10 11# By default, SCMI driver is disabled for CSS platforms 12CSS_USE_SCMI_SDS_DRIVER ?= 0 13 14PLAT_INCLUDES += -Iinclude/plat/arm/css/common \ 15 -Iinclude/plat/arm/css/common/aarch64 16 17 18PLAT_BL_COMMON_SOURCES += plat/arm/css/common/${ARCH}/css_helpers.S 19 20BL1_SOURCES += plat/arm/css/common/css_bl1_setup.c 21 22BL2_SOURCES += plat/arm/css/common/css_bl2_setup.c 23 24BL2U_SOURCES += plat/arm/css/common/css_bl2u_setup.c 25 26BL31_SOURCES += plat/arm/css/common/css_pm.c \ 27 plat/arm/css/common/css_topology.c 28 29ifeq (${CSS_USE_SCMI_SDS_DRIVER},0) 30BL31_SOURCES += plat/arm/css/drivers/scp/css_pm_scpi.c \ 31 plat/arm/css/drivers/scpi/css_mhu.c \ 32 plat/arm/css/drivers/scpi/css_scpi.c 33else 34BL31_SOURCES += plat/arm/css/drivers/scp/css_pm_scmi.c \ 35 plat/arm/css/drivers/scmi/scmi_common.c \ 36 plat/arm/css/drivers/scmi/scmi_pwr_dmn_proto.c \ 37 plat/arm/css/drivers/scmi/scmi_sys_pwr_proto.c 38endif 39 40ifneq (${RESET_TO_BL31},0) 41 $(error "Using BL31 as the reset vector is not supported on CSS platforms. \ 42 Please set RESET_TO_BL31 to 0.") 43endif 44 45# Process CSS_LOAD_SCP_IMAGES flag 46$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES)) 47$(eval $(call add_define,CSS_LOAD_SCP_IMAGES)) 48 49ifeq (${CSS_LOAD_SCP_IMAGES},1) 50 NEED_SCP_BL2 := yes 51 ifneq (${TRUSTED_BOARD_BOOT},0) 52 $(eval $(call FWU_FIP_ADD_IMG,SCP_BL2U,--scp-fwu-cfg)) 53 endif 54 55 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 56 BL2U_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 57 plat/arm/css/drivers/sds/sds.c 58 59 BL2_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 60 plat/arm/css/drivers/sds/sds.c 61 else 62 BL2U_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 63 plat/arm/css/drivers/scpi/css_mhu.c \ 64 plat/arm/css/drivers/scpi/css_scpi.c 65 66 BL2_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 67 plat/arm/css/drivers/scpi/css_mhu.c \ 68 plat/arm/css/drivers/scpi/css_scpi.c 69 # Enable option to detect whether the SCP ROM firmware in use predates version 70 # 1.7.0 and therefore, is incompatible. 71 CSS_DETECT_PRE_1_7_0_SCP := 1 72 73 # Process CSS_DETECT_PRE_1_7_0_SCP flag 74 $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP)) 75 $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP)) 76 endif 77endif 78 79ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 80 PLAT_BL_COMMON_SOURCES += plat/arm/css/drivers/sds/${ARCH}/sds_helpers.S 81endif 82 83# Process CSS_USE_SCMI_SDS_DRIVER flag 84$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER)) 85$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER)) 86