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_ap_core_proto.c \ 36 plat/arm/css/drivers/scmi/scmi_common.c \ 37 plat/arm/css/drivers/scmi/scmi_pwr_dmn_proto.c \ 38 plat/arm/css/drivers/scmi/scmi_sys_pwr_proto.c \ 39 plat/arm/css/drivers/mhu/css_mhu_doorbell.c 40endif 41 42# Process CSS_LOAD_SCP_IMAGES flag 43$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES)) 44$(eval $(call add_define,CSS_LOAD_SCP_IMAGES)) 45 46ifeq (${CSS_LOAD_SCP_IMAGES},1) 47 NEED_SCP_BL2 := yes 48 ifneq (${TRUSTED_BOARD_BOOT},0) 49 $(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_)) 50 endif 51 52 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 53 BL2U_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 54 plat/arm/css/drivers/sds/sds.c 55 56 BL2_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 57 plat/arm/css/drivers/sds/sds.c 58 else 59 BL2U_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 60 plat/arm/css/drivers/mhu/css_mhu.c \ 61 plat/arm/css/drivers/scpi/css_scpi.c 62 63 BL2_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 # Enable option to detect whether the SCP ROM firmware in use predates version 67 # 1.7.0 and therefore, is incompatible. 68 CSS_DETECT_PRE_1_7_0_SCP := 1 69 70 # Process CSS_DETECT_PRE_1_7_0_SCP flag 71 $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP)) 72 $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP)) 73 endif 74endif 75 76ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 77 PLAT_BL_COMMON_SOURCES += plat/arm/css/drivers/sds/${ARCH}/sds_helpers.S 78endif 79 80# Process CSS_USE_SCMI_SDS_DRIVER flag 81$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER)) 82$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER)) 83 84# Process CSS_NON_SECURE_UART flag 85# This undocumented build option is only to enable debug access to the UART 86# from non secure code, which is useful on some platforms. 87# Default (obviously) is off. 88CSS_NON_SECURE_UART := 0 89$(eval $(call assert_boolean,CSS_NON_SECURE_UART)) 90$(eval $(call add_define,CSS_NON_SECURE_UART)) 91 92