feat(plat/mediatek/mt8195): add SPM suspend driver
Support DRAM/MAINPLL/26M off when system suspend.
Signed-off-by: Edward-JW Yang <edward-jw.yang@mediatek.corp-partner.google.com>
Change-Id: Ib8502f9b0b4e47aa405e5449f0b6d483bd3f5d77
diff --git a/plat/mediatek/mt8195/drivers/spm/build.mk b/plat/mediatek/mt8195/drivers/spm/build.mk
new file mode 100644
index 0000000..d1ee092
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/spm/build.mk
@@ -0,0 +1,67 @@
+#
+# Copyright (c) 2021, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Enable or disable spm feature
+MT_SPM_FEATURE_SUPPORT = yes
+
+# Enable or disable cirq restore
+MT_SPM_CIRQ_FEATURE_SUPPORT = yes
+
+# sspm notifier support
+MT_SPM_SSPM_NOTIFIER_SUPPORT = yes
+
+CUR_SPM_FOLDER = ${MTK_PLAT_SOC}/drivers/spm
+
+# spm common files
+PLAT_SPM_SOURCE_FILES_COMMON += \
+ ${CUR_SPM_FOLDER}/mt_spm.c \
+ ${CUR_SPM_FOLDER}/mt_spm_conservation.c \
+ ${CUR_SPM_FOLDER}/mt_spm_internal.c \
+ ${CUR_SPM_FOLDER}/mt_spm_pmic_wrap.c
+
+# spm platform dependcy files
+PLAT_SPM_SOURCE_FILES += \
+ ${CUR_SPM_FOLDER}/constraints/mt_spm_rc_bus26m.c \
+ ${CUR_SPM_FOLDER}/constraints/mt_spm_rc_cpu_buck_ldo.c \
+ ${CUR_SPM_FOLDER}/constraints/mt_spm_rc_dram.c \
+ ${CUR_SPM_FOLDER}/constraints/mt_spm_rc_syspll.c \
+ ${CUR_SPM_FOLDER}/mt_spm_cond.c \
+ ${CUR_SPM_FOLDER}/mt_spm_suspend.c \
+ ${CUR_SPM_FOLDER}/mt_spm_idle.c
+
+ifeq (${MT_SPM_FEATURE_SUPPORT}, no)
+PLAT_SPM_DEBUG_CFLAGS += -DATF_PLAT_SPM_UNSUPPORT
+BL31_MT_LPM_PLAT_SPM_SOURCE_FILES += ${PLAT_SPM_SOURCE_FILES_COMMON}
+else
+BL31_MT_LPM_PLAT_SPM_SOURCE_FILES += \
+ ${PLAT_SPM_SOURCE_FILES_COMMON} \
+ ${PLAT_SPM_SOURCE_FILES}
+endif
+
+ifeq (${MT_SPM_CIRQ_FEATURE_SUPPORT}, no)
+PLAT_SPM_DEBUG_CFLAGS += -DATF_PLAT_CIRQ_UNSUPPORT
+endif
+
+ifeq (${MT_SPM_SSPM_NOTIFIER_SUPPORT}, no)
+PLAT_SPM_DEBUG_CFLAGS += -DATF_PLAT_SPM_SSPM_NOTIFIER_UNSUPPORT
+else
+BL31_MT_LPM_PLAT_SPM_SOURCE_FILES += \
+ ${CUR_SPM_FOLDER}/notifier/mt_spm_sspm_notifier.c
+endif
+
+$(info --------------------------------------)
+$(info SPM build flags: ${PLAT_SPM_DEBUG_CFLAGS})
+$(info SPM build files: ${BL31_MT_LPM_PLAT_SPM_SOURCE_FILES})
+$(info --------------------------------------)
+
+# Common makefile for platform.mk
+PLAT_INCLUDES += \
+ ${PLAT_SPM_DEBUG_CFLAGS} \
+ -I${CUR_SPM_FOLDER}/ \
+ -I${CUR_SPM_FOLDER}/constraints/ \
+ -I${CUR_SPM_FOLDER}/notifier/
+
+PLAT_BL_COMMON_SOURCES += ${BL31_MT_LPM_PLAT_SPM_SOURCE_FILES}