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/aarch64
15
16
17PLAT_BL_COMMON_SOURCES	+=	plat/arm/css/common/${ARCH}/css_helpers.S
18
19BL1_SOURCES		+=	plat/arm/css/common/css_bl1_setup.c
20
21BL2_SOURCES		+=	plat/arm/css/common/css_bl2_setup.c
22
23BL2U_SOURCES		+=	plat/arm/css/common/css_bl2u_setup.c
24
25BL31_SOURCES		+=	plat/arm/css/common/css_pm.c			\
26				plat/arm/css/common/css_topology.c
27
28ifeq (${CSS_USE_SCMI_SDS_DRIVER},0)
29BL31_SOURCES		+=	drivers/arm/css/mhu/css_mhu.c			\
30				drivers/arm/css/scp/css_pm_scpi.c		\
31				drivers/arm/css/scpi/css_scpi.c
32else
33BL31_SOURCES		+=	drivers/arm/css/mhu/css_mhu_doorbell.c		\
34				drivers/arm/css/scmi/scmi_ap_core_proto.c	\
35				drivers/arm/css/scmi/scmi_common.c		\
36				drivers/arm/css/scmi/scmi_pwr_dmn_proto.c	\
37				drivers/arm/css/scmi/scmi_sys_pwr_proto.c	\
38				drivers/arm/css/scp/css_pm_scmi.c
39endif
40
41# Process CSS_LOAD_SCP_IMAGES flag
42$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES))
43$(eval $(call add_define,CSS_LOAD_SCP_IMAGES))
44
45ifeq (${CSS_LOAD_SCP_IMAGES},1)
46  NEED_SCP_BL2 := yes
47  ifneq (${TRUSTED_BOARD_BOOT},0)
48    $(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_))
49  endif
50
51  ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
52    BL2U_SOURCES	+=	drivers/arm/css/scp/css_sds.c			\
53				drivers/arm/css/sds/sds.c
54
55    BL2_SOURCES		+=	drivers/arm/css/scp/css_sds.c			\
56				drivers/arm/css/sds/sds.c
57  else
58    BL2U_SOURCES	+=	drivers/arm/css/mhu/css_mhu.c			\
59				drivers/arm/css/scp/css_bom_bootloader.c	\
60				drivers/arm/css/scpi/css_scpi.c
61
62    BL2_SOURCES		+=	drivers/arm/css/mhu/css_mhu.c			\
63				drivers/arm/css/scp/css_bom_bootloader.c	\
64				drivers/arm/css/scpi/css_scpi.c
65    # Enable option to detect whether the SCP ROM firmware in use predates version
66    # 1.7.0 and therefore, is incompatible.
67    CSS_DETECT_PRE_1_7_0_SCP	:=	1
68
69    # Process CSS_DETECT_PRE_1_7_0_SCP flag
70    $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP))
71    $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP))
72  endif
73endif
74
75ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
76  PLAT_BL_COMMON_SOURCES	+=	drivers/arm/css/sds/${ARCH}/sds_helpers.S
77endif
78
79# Process CSS_USE_SCMI_SDS_DRIVER flag
80$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER))
81$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER))
82
83# Process CSS_NON_SECURE_UART flag
84# This undocumented build option is only to enable debug access to the UART
85# from non secure code, which is useful on some platforms.
86# Default (obviously) is off.
87CSS_NON_SECURE_UART		:= 0
88$(eval $(call assert_boolean,CSS_NON_SECURE_UART))
89$(eval $(call add_define,CSS_NON_SECURE_UART))
90
91