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 42ifneq (${RESET_TO_BL31},0) 43 $(error "Using BL31 as the reset vector is not supported on CSS platforms. \ 44 Please set RESET_TO_BL31 to 0.") 45endif 46 47# Process CSS_LOAD_SCP_IMAGES flag 48$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES)) 49$(eval $(call add_define,CSS_LOAD_SCP_IMAGES)) 50 51ifeq (${CSS_LOAD_SCP_IMAGES},1) 52 NEED_SCP_BL2 := yes 53 ifneq (${TRUSTED_BOARD_BOOT},0) 54 $(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_)) 55 endif 56 57 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 58 BL2U_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 59 plat/arm/css/drivers/sds/sds.c 60 61 BL2_SOURCES += plat/arm/css/drivers/scp/css_sds.c \ 62 plat/arm/css/drivers/sds/sds.c 63 else 64 BL2U_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 65 plat/arm/css/drivers/mhu/css_mhu.c \ 66 plat/arm/css/drivers/scpi/css_scpi.c 67 68 BL2_SOURCES += plat/arm/css/drivers/scp/css_bom_bootloader.c \ 69 plat/arm/css/drivers/mhu/css_mhu.c \ 70 plat/arm/css/drivers/scpi/css_scpi.c 71 # Enable option to detect whether the SCP ROM firmware in use predates version 72 # 1.7.0 and therefore, is incompatible. 73 CSS_DETECT_PRE_1_7_0_SCP := 1 74 75 # Process CSS_DETECT_PRE_1_7_0_SCP flag 76 $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP)) 77 $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP)) 78 endif 79endif 80 81ifeq (${CSS_USE_SCMI_SDS_DRIVER},1) 82 PLAT_BL_COMMON_SOURCES += plat/arm/css/drivers/sds/${ARCH}/sds_helpers.S 83endif 84 85# Process CSS_USE_SCMI_SDS_DRIVER flag 86$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER)) 87$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER)) 88 89# Process CSS_NON_SECURE_UART flag 90# This undocumented build option is only to enable debug access to the UART 91# from non secure code, which is useful on some platforms. 92# Default (obviously) is off. 93CSS_NON_SECURE_UART := 0 94$(eval $(call assert_boolean,CSS_NON_SECURE_UART)) 95$(eval $(call add_define,CSS_NON_SECURE_UART)) 96 97