mediatek: mt8192: add timer support
add timer driver.
Change-Id: I07448d85a15bb14577b05e4f302860d609420ba7
diff --git a/plat/mediatek/mt8192/drivers/timer/mt_timer.c b/plat/mediatek/mt8192/drivers/timer/mt_timer.c
new file mode 100644
index 0000000..781f940
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/timer/mt_timer.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <mt_timer.h>
+#include <platform_def.h>
+
+
+uint64_t normal_time_base;
+uint64_t atf_time_base;
+
+void sched_clock_init(uint64_t normal_base, uint64_t atf_base)
+{
+ normal_time_base += normal_base;
+ atf_time_base = atf_base;
+}
+
+uint64_t sched_clock(void)
+{
+ uint64_t cval;
+ uint64_t rel_base;
+
+ rel_base = read_cntpct_el0() - atf_time_base;
+ cval = ((rel_base * 1000U) / SYS_COUNTER_FREQ_IN_MHZ)
+ - normal_time_base;
+ return cval;
+}
diff --git a/plat/mediatek/mt8192/drivers/timer/mt_timer.h b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
new file mode 100644
index 0000000..7aca4a3
--- /dev/null
+++ b/plat/mediatek/mt8192/drivers/timer/mt_timer.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_TIMER_H
+#define MT_TIMER_H
+
+#define SYSTIMER_BASE (0x10017000)
+#define CNTCR_REG (SYSTIMER_BASE + 0x0)
+#define CNTSR_REG (SYSTIMER_BASE + 0x4)
+#define CNTSYS_L_REG (SYSTIMER_BASE + 0x8)
+#define CNTSYS_H_REG (SYSTIMER_BASE + 0xc)
+
+#define TIEO_EN (1 << 3)
+#define COMP_15_EN (1 << 10)
+#define COMP_20_EN (1 << 11)
+#define COMP_25_EN (1 << 12)
+
+#define COMP_FEATURE_MASK (COMP_15_EN | COMP_20_EN | COMP_25_EN | TIEO_EN)
+#define COMP_15_MASK (COMP_15_EN)
+#define COMP_20_MASK (COMP_20_EN | TIEO_EN)
+#define COMP_25_MASK (COMP_20_EN | COMP_25_EN)
+
+
+void sched_clock_init(uint64_t normal_base, uint64_t atf_base);
+uint64_t sched_clock(void);
+
+#endif /* MT_TIMER_H */
diff --git a/plat/mediatek/mt8192/platform.mk b/plat/mediatek/mt8192/platform.mk
index 071700e..7544b26 100644
--- a/plat/mediatek/mt8192/platform.mk
+++ b/plat/mediatek/mt8192/platform.mk
@@ -10,7 +10,8 @@
PLAT_INCLUDES := -I${MTK_PLAT}/common/ \
-I${MTK_PLAT_SOC}/include/ \
-I${MTK_PLAT_SOC}/drivers/ \
- -I${MTK_PLAT_SOC}/drivers/gpio/
+ -I${MTK_PLAT_SOC}/drivers/gpio/ \
+ -I${MTK_PLAT_SOC}/drivers/timer/
GICV3_SUPPORT_GIC600 := 1
include drivers/arm/gic/v3/gicv3.mk
@@ -37,7 +38,8 @@
${MTK_PLAT_SOC}/plat_topology.c \
${MTK_PLAT_SOC}/plat_mt_gic.c \
${MTK_PLAT_SOC}/plat_mt_cirq.c \
- ${MTK_PLAT_SOC}/drivers/gpio/mtgpio.c
+ ${MTK_PLAT_SOC}/drivers/gpio/mtgpio.c \
+ ${MTK_PLAT_SOC}/drivers/timer/mt_timer.c
# Configs for A76 and A55