feat(mt8188): initialize systimer

Add systimer to support timer function.

TEST=build pass
BUG=b:236331724

Change-Id: Ibe6b96a162caa8804bebb7ff7de326ebcb2a6daa
diff --git a/plat/mediatek/drivers/timer/mt_timer.c b/plat/mediatek/drivers/timer/mt_timer.c
index ca4528a..11e4572 100644
--- a/plat/mediatek/drivers/timer/mt_timer.c
+++ b/plat/mediatek/drivers/timer/mt_timer.c
@@ -5,11 +5,12 @@
  */
 
 #include <arch_helpers.h>
+#include <common/debug.h>
 #include <lib/mmio.h>
+#include <lib/mtk_init/mtk_init.h>
 #include <mt_timer.h>
 #include <platform_def.h>
 
-
 uint64_t normal_time_base;
 uint64_t atf_time_base;
 
@@ -30,9 +31,14 @@
 	return cval;
 }
 
-void mt_systimer_init(void)
+int mt_systimer_init(void)
 {
+	INFO("[%s] systimer initialization\n", __func__);
+
 	/* Enable access in NS mode */
 	mmio_write_32(CNTWACR_REG, CNT_WRITE_ACCESS_CTL_MASK);
 	mmio_write_32(CNTRACR_REG, CNT_READ_ACCESS_CTL_MASK);
+
+	return 0;
 }
+MTK_PLAT_SETUP_0_INIT(mt_systimer_init);
diff --git a/plat/mediatek/drivers/timer/mt_timer.h b/plat/mediatek/drivers/timer/mt_timer.h
index 71dbeff..1c08f90 100644
--- a/plat/mediatek/drivers/timer/mt_timer.h
+++ b/plat/mediatek/drivers/timer/mt_timer.h
@@ -30,6 +30,6 @@
 
 void sched_clock_init(uint64_t normal_base, uint64_t atf_base);
 uint64_t sched_clock(void);
-void mt_systimer_init(void);
+int mt_systimer_init(void);
 
 #endif /* MT_TIMER_H */
diff --git a/plat/mediatek/drivers/timer/rules.mk b/plat/mediatek/drivers/timer/rules.mk
new file mode 100644
index 0000000..005cf45
--- /dev/null
+++ b/plat/mediatek/drivers/timer/rules.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+LOCAL_DIR := $(call GET_LOCAL_DIR)
+
+MODULE := timer
+LOCAL_SRCS-y := $(LOCAL_DIR)/mt_timer.c
+
+PLAT_INCLUDES += -I${LOCAL_DIR}
+
+$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))
diff --git a/plat/mediatek/mt8188/platform.mk b/plat/mediatek/mt8188/platform.mk
index bffce41..08cebf0 100644
--- a/plat/mediatek/mt8188/platform.mk
+++ b/plat/mediatek/mt8188/platform.mk
@@ -22,6 +22,7 @@
 MODULES-y += $(MTK_PLAT)/common
 MODULES-y += $(MTK_PLAT)/lib/mtk_init
 MODULES-y += $(MTK_PLAT)/lib/pm
+MODULES-y += $(MTK_PLAT)/drivers/timer
 
 PLAT_BL_COMMON_SOURCES := common/desc_image_load.c \
 			  drivers/ti/uart/aarch64/16550_console.S \