1# 2# Copyright (c) 2015-2018, 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/mhu/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 \ 38 plat/arm/css/drivers/mhu/css_mhu_doorbell.c 39endif 40 41ifneq (${RESET_TO_BL31},0) 42 $(error "Using BL31 as the reset vector is not supported on CSS platforms. \ 43 Please set RESET_TO_BL31 to 0.") 44endif 45 46# Process CSS_LOAD_SCP_IMAGES flag 47$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES)) 48$(eval $(call add_define,CSS_LOAD_SCP_IMAGES)) 49 50ifeq (${CSS_LOAD_SCP_IMAGES},1) 51 NEED_SCP_BL2 := yes 52 ifneq (${TRUSTED_BOARD_BOOT},0) 53 $(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_)) 54 endif 55 56 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 57 BL2U_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 58 plat/arm/css/drivers/sds/sds.c 59 60 BL2_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 61 plat/arm/css/drivers/sds/sds.c 62 else 63 BL2U_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 64 plat/arm/css/drivers/mhu/css_mhu.c \ 65 plat/arm/css/drivers/scpi/css_scpi.c 66 67 BL2_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 68 plat/arm/css/drivers/mhu/css_mhu.c \ 69 plat/arm/css/drivers/scpi/css_scpi.c 70 # Enable option to detect whether the SCP ROM firmware in use predates version 71 # 1.7.0 and therefore, is incompatible. 72 CSS_DETECT_PRE_1_7_0_SCP := 1 73 74 # Process CSS_DETECT_PRE_1_7_0_SCP flag 75 $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP)) 76 $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP)) 77 endif 78endif 79 80ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 81 PLAT_BL_COMMON_SOURCES += plat/arm/css/drivers/sds/${ARCH}/sds_helpers.S 82endif 83 84# Process CSS_USE_SCMI_SDS_DRIVER flag 85$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER)) 86$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER)) 87