1 files changed, 97 insertions, 0 deletions
diff --git a/plat/arm/css/common/css_common.mk b/plat/arm/css/common/css_common.mk
new file mode 100644
index 0000000..1e4851c
--- /dev/null
+++ b/plat/arm/css/common/css_common.mk
@@ -0,0 +1,97 @@
+#
+# Copyright (c) 2015-2022, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+
+# By default, SCP images are needed by CSS platforms.
+CSS_LOAD_SCP_IMAGES	?=	1
+
+# By default, SCMI driver is disabled for CSS platforms
+CSS_USE_SCMI_SDS_DRIVER	?=	0
+
+PLAT_INCLUDES		+=	-Iinclude/plat/arm/css/common/aarch64
+
+
+PLAT_BL_COMMON_SOURCES	+=	plat/arm/css/common/${ARCH}/css_helpers.S
+
+BL1_SOURCES		+=	plat/arm/css/common/css_bl1_setup.c
+
+BL2_SOURCES		+=	plat/arm/css/common/css_bl2_setup.c
+
+BL2U_SOURCES		+=	plat/arm/css/common/css_bl2u_setup.c
+
+BL31_SOURCES		+=	plat/arm/css/common/css_pm.c			\
+				plat/arm/css/common/css_topology.c
+
+ifeq (${CSS_USE_SCMI_SDS_DRIVER},0)
+BL31_SOURCES		+=	drivers/arm/css/mhu/css_mhu.c			\
+				drivers/arm/css/scp/css_pm_scpi.c		\
+				drivers/arm/css/scpi/css_scpi.c
+else
+BL31_SOURCES		+=	drivers/arm/css/mhu/css_mhu_doorbell.c		\
+				drivers/arm/css/scmi/scmi_ap_core_proto.c	\
+				drivers/arm/css/scmi/scmi_common.c		\
+				drivers/arm/css/scmi/scmi_pwr_dmn_proto.c	\
+				drivers/arm/css/scmi/scmi_sys_pwr_proto.c	\
+				drivers/delay_timer/delay_timer.c		\
+				drivers/arm/css/scp/css_pm_scmi.c
+endif
+
+# Process CSS_LOAD_SCP_IMAGES flag
+$(eval $(call assert_boolean,CSS_LOAD_SCP_IMAGES))
+$(eval $(call add_define,CSS_LOAD_SCP_IMAGES))
+
+ifeq (${CSS_LOAD_SCP_IMAGES},1)
+  NEED_SCP_BL2 := yes
+  ifneq (${TRUSTED_BOARD_BOOT},0)
+    $(eval $(call TOOL_ADD_IMG,scp_bl2u,--scp-fwu-cfg,FWU_))
+  endif
+
+  ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
+    BL2U_SOURCES	+=	drivers/arm/css/scp/css_sds.c			\
+				drivers/arm/css/sds/sds.c
+
+    BL2_SOURCES		+=	drivers/arm/css/scp/css_sds.c			\
+				drivers/arm/css/sds/sds.c
+  else
+    BL2U_SOURCES	+=	drivers/arm/css/mhu/css_mhu.c			\
+				drivers/arm/css/scp/css_bom_bootloader.c	\
+				drivers/arm/css/scpi/css_scpi.c
+
+    BL2_SOURCES		+=	drivers/arm/css/mhu/css_mhu.c			\
+				drivers/arm/css/scp/css_bom_bootloader.c	\
+				drivers/arm/css/scpi/css_scpi.c
+    # Enable option to detect whether the SCP ROM firmware in use predates version
+    # 1.7.0 and therefore, is incompatible.
+    CSS_DETECT_PRE_1_7_0_SCP	:=	1
+
+    # Process CSS_DETECT_PRE_1_7_0_SCP flag
+    $(eval $(call assert_boolean,CSS_DETECT_PRE_1_7_0_SCP))
+    $(eval $(call add_define,CSS_DETECT_PRE_1_7_0_SCP))
+  endif
+endif
+
+ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
+  PLAT_BL_COMMON_SOURCES	+=	drivers/arm/css/sds/${ARCH}/sds_helpers.S
+endif
+
+# Process CSS_USE_SCMI_SDS_DRIVER flag
+$(eval $(call assert_boolean,CSS_USE_SCMI_SDS_DRIVER))
+$(eval $(call add_define,CSS_USE_SCMI_SDS_DRIVER))
+
+# Process CSS_NON_SECURE_UART flag
+# This undocumented build option is only to enable debug access to the UART
+# from non secure code, which is useful on some platforms.
+# Default (obviously) is off.
+CSS_NON_SECURE_UART		:= 0
+$(eval $(call assert_boolean,CSS_NON_SECURE_UART))
+$(eval $(call add_define,CSS_NON_SECURE_UART))
+
+# Process CSS_SYSTEM_GRACEFUL_RESET flag
+# This build option can be used on CSS platforms that require all the CPUs
+# to execute the CPU specific power down sequence to complete a warm reboot
+# sequence in which only the CPUs are power cycled.
+CSS_SYSTEM_GRACEFUL_RESET	:= 0
+$(eval $(call add_define,CSS_SYSTEM_GRACEFUL_RESET))