Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 753 insertions, 0 deletions

diff --git a/plat/mediatek/mt8186/include/mcucfg.h b/plat/mediatek/mt8186/include/mcucfg.h
new file mode 100644
index 0000000..78a01a8
--- /dev/null
+++ b/plat/mediatek/mt8186/include/mcucfg.h
@@ -0,0 +1,255 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MCUCFG_H
+#define MCUCFG_H
+
+#ifndef __ASSEMBLER__
+#include <stdint.h>
+#endif /* __ASSEMBLER__ */
+
+#include <platform_def.h>
+
+#define MCUCFG_REG(ofs)			(uint32_t)(MCUCFG_BASE + (ofs))
+
+#define MP2_MISC_CONFIG_BOOT_ADDR_L(cpu) (MCUCFG_REG(0x2290) + ((cpu) * 8))
+#define MP2_MISC_CONFIG_BOOT_ADDR_H(cpu) (MCUCFG_REG(0x2294) + ((cpu) * 8))
+
+#define MP2_CPUCFG			MCUCFG_REG(0x2208)
+
+#define MP2_CPU0_STANDBYWFE		BIT(4)
+#define MP2_CPU1_STANDBYWFE		BIT(5)
+
+#define MP0_CPUTOP_SPMC_CTL		MCUCFG_REG(0x788)
+#define MP1_CPUTOP_SPMC_CTL		MCUCFG_REG(0x78C)
+#define MP1_CPUTOP_SPMC_SRAM_CTL	MCUCFG_REG(0x790)
+
+#define sw_spark_en			BIT(0)
+#define sw_no_wait_for_q_channel	BIT(1)
+#define sw_fsm_override			BIT(2)
+#define sw_logic_pre1_pdb		BIT(3)
+#define sw_logic_pre2_pdb		BIT(4)
+#define sw_logic_pdb			BIT(5)
+#define sw_iso				BIT(6)
+#define sw_sram_sleepb			(U(0x3F) << 7)
+#define sw_sram_isointb			BIT(13)
+#define sw_clk_dis			BIT(14)
+#define sw_ckiso			BIT(15)
+#define sw_pd				(U(0x3F) << 16)
+#define sw_hot_plug_reset		BIT(22)
+#define sw_pwr_on_override_en		BIT(23)
+#define sw_pwr_on			BIT(24)
+#define sw_coq_dis			BIT(25)
+#define logic_pdbo_all_off_ack		BIT(26)
+#define logic_pdbo_all_on_ack		BIT(27)
+#define logic_pre2_pdbo_all_on_ack	BIT(28)
+#define logic_pre1_pdbo_all_on_ack	BIT(29)
+
+
+#define CPUSYSx_CPUx_SPMC_CTL(cluster, cpu) \
+	(MCUCFG_REG(0x1c30) + cluster * 0x2000 + cpu * 4)
+
+#define CPUSYS0_CPU0_SPMC_CTL		MCUCFG_REG(0x1c30)
+#define CPUSYS0_CPU1_SPMC_CTL		MCUCFG_REG(0x1c34)
+#define CPUSYS0_CPU2_SPMC_CTL		MCUCFG_REG(0x1c38)
+#define CPUSYS0_CPU3_SPMC_CTL		MCUCFG_REG(0x1c3C)
+
+#define CPUSYS1_CPU0_SPMC_CTL		MCUCFG_REG(0x3c30)
+#define CPUSYS1_CPU1_SPMC_CTL		MCUCFG_REG(0x3c34)
+#define CPUSYS1_CPU2_SPMC_CTL		MCUCFG_REG(0x3c38)
+#define CPUSYS1_CPU3_SPMC_CTL		MCUCFG_REG(0x3c3C)
+
+#define cpu_sw_spark_en			BIT(0)
+#define cpu_sw_no_wait_for_q_channel	BIT(1)
+#define cpu_sw_fsm_override		BIT(2)
+#define cpu_sw_logic_pre1_pdb		BIT(3)
+#define cpu_sw_logic_pre2_pdb		BIT(4)
+#define cpu_sw_logic_pdb		BIT(5)
+#define cpu_sw_iso			BIT(6)
+#define cpu_sw_sram_sleepb		BIT(7)
+#define cpu_sw_sram_isointb		BIT(8)
+#define cpu_sw_clk_dis			BIT(9)
+#define cpu_sw_ckiso			BIT(10)
+#define cpu_sw_pd			(U(0x1F) << 11)
+#define cpu_sw_hot_plug_reset		BIT(16)
+#define cpu_sw_powr_on_override_en	BIT(17)
+#define cpu_sw_pwr_on			BIT(18)
+#define cpu_spark2ldo_allswoff		BIT(19)
+#define cpu_pdbo_all_on_ack		BIT(20)
+#define cpu_pre2_pdbo_allon_ack		BIT(21)
+#define cpu_pre1_pdbo_allon_ack		BIT(22)
+
+/* CPC related registers */
+#define CPC_MCUSYS_CPC_OFF_THRES		MCUCFG_REG(0xa714)
+#define CPC_MCUSYS_PWR_CTRL			MCUCFG_REG(0xa804)
+#define CPC_MCUSYS_CPC_FLOW_CTRL_CFG		MCUCFG_REG(0xa814)
+#define CPC_MCUSYS_LAST_CORE_REQ		MCUCFG_REG(0xa818)
+#define CPC_MCUSYS_MP_LAST_CORE_RESP		MCUCFG_REG(0xa81c)
+#define CPC_MCUSYS_LAST_CORE_RESP		MCUCFG_REG(0xa824)
+#define CPC_MCUSYS_PWR_ON_MASK			MCUCFG_REG(0xa828)
+#define CPC_MCUSYS_CPU_ON_SW_HINT_SET		MCUCFG_REG(0xa8a8)
+#define CPC_MCUSYS_CPU_ON_SW_HINT_CLR		MCUCFG_REG(0xa8ac)
+#define CPC_MCUSYS_CPC_DBG_SETTING		MCUCFG_REG(0xab00)
+#define CPC_MCUSYS_CPC_KERNEL_TIME_L_BASE	MCUCFG_REG(0xab04)
+#define CPC_MCUSYS_CPC_KERNEL_TIME_H_BASE	MCUCFG_REG(0xab08)
+#define CPC_MCUSYS_CPC_SYSTEM_TIME_L_BASE	MCUCFG_REG(0xab0c)
+#define CPC_MCUSYS_CPC_SYSTEM_TIME_H_BASE	MCUCFG_REG(0xab10)
+#define CPC_MCUSYS_TRACE_SEL			MCUCFG_REG(0xab14)
+#define CPC_MCUSYS_TRACE_DATA			MCUCFG_REG(0xab20)
+#define CPC_MCUSYS_CLUSTER_COUNTER		MCUCFG_REG(0xab70)
+#define CPC_MCUSYS_CLUSTER_COUNTER_CLR		MCUCFG_REG(0xab74)
+#define SPARK2LDO				MCUCFG_REG(0x2700)
+/* APB module mcucfg */
+#define MP0_CA7_CACHE_CONFIG		MCUCFG_REG(0x000)
+#define MP0_AXI_CONFIG			MCUCFG_REG(0x02C)
+#define MP0_MISC_CONFIG0		MCUCFG_REG(0x030)
+#define MP0_MISC_CONFIG1		MCUCFG_REG(0x034)
+#define MP0_MISC_CONFIG2		MCUCFG_REG(0x038)
+#define MP0_MISC_CONFIG_BOOT_ADDR(cpu)	(MP0_MISC_CONFIG2 + ((cpu) * 8))
+#define MP0_MISC_CONFIG3		MCUCFG_REG(0x03C)
+#define MP0_MISC_CONFIG9		MCUCFG_REG(0x054)
+#define MP0_CA7_MISC_CONFIG		MCUCFG_REG(0x064)
+
+#define MP0_RW_RSVD0			MCUCFG_REG(0x06C)
+
+
+#define MP1_CA7_CACHE_CONFIG		MCUCFG_REG(0x200)
+#define MP1_AXI_CONFIG			MCUCFG_REG(0x22C)
+#define MP1_MISC_CONFIG0		MCUCFG_REG(0x230)
+#define MP1_MISC_CONFIG1		MCUCFG_REG(0x234)
+#define MP1_MISC_CONFIG2		MCUCFG_REG(0x238)
+#define MP1_MISC_CONFIG_BOOT_ADDR(cpu)	(MP1_MISC_CONFIG2 + ((cpu) * 8))
+#define MP1_MISC_CONFIG3		MCUCFG_REG(0x23C)
+#define MP1_MISC_CONFIG9		MCUCFG_REG(0x254)
+#define MP1_CA7_MISC_CONFIG		MCUCFG_REG(0x264)
+
+#define CCI_ADB400_DCM_CONFIG		MCUCFG_REG(0x740)
+#define SYNC_DCM_CONFIG			MCUCFG_REG(0x744)
+
+#define MP0_CLUSTER_CFG0		MCUCFG_REG(0xC8D0)
+
+#define MP0_SPMC			MCUCFG_REG(0x788)
+#define MP1_SPMC			MCUCFG_REG(0x78C)
+#define MP2_AXI_CONFIG			MCUCFG_REG(0x220C)
+#define MP2_AXI_CONFIG_ACINACTM		BIT(0)
+#define MP2_AXI_CONFIG_AINACTS		BIT(4)
+
+#define MPx_AXI_CONFIG_ACINACTM			BIT(4)
+#define MPx_AXI_CONFIG_AINACTS			BIT(5)
+#define MPx_CA7_MISC_CONFIG_standbywfil2	BIT(28)
+
+#define MP0_CPU0_STANDBYWFE		BIT(20)
+#define MP0_CPU1_STANDBYWFE		BIT(21)
+#define MP0_CPU2_STANDBYWFE		BIT(22)
+#define MP0_CPU3_STANDBYWFE		BIT(23)
+
+#define MP1_CPU0_STANDBYWFE		BIT(20)
+#define MP1_CPU1_STANDBYWFE		BIT(21)
+#define MP1_CPU2_STANDBYWFE		BIT(22)
+#define MP1_CPU3_STANDBYWFE		BIT(23)
+
+#define CPUSYS0_SPARKVRETCNTRL		MCUCFG_REG(0x1c00)
+#define CPUSYS0_SPARKEN			MCUCFG_REG(0x1c04)
+#define CPUSYS0_AMUXSEL			MCUCFG_REG(0x1c08)
+#define CPUSYS1_SPARKVRETCNTRL		MCUCFG_REG(0x3c00)
+#define CPUSYS1_SPARKEN			MCUCFG_REG(0x3c04)
+#define CPUSYS1_AMUXSEL			MCUCFG_REG(0x3c08)
+
+#define MP2_PWR_RST_CTL			MCUCFG_REG(0x2008)
+#define MP2_PTP3_CPUTOP_SPMC0		MCUCFG_REG(0x22A0)
+#define MP2_PTP3_CPUTOP_SPMC1		MCUCFG_REG(0x22A4)
+
+#define MP2_COQ				MCUCFG_REG(0x22BC)
+#define MP2_COQ_SW_DIS			BIT(0)
+
+#define MP2_CA15M_MON_SEL		MCUCFG_REG(0x2400)
+#define MP2_CA15M_MON_L			MCUCFG_REG(0x2404)
+
+#define CPUSYS2_CPU0_SPMC_CTL		MCUCFG_REG(0x2430)
+#define CPUSYS2_CPU1_SPMC_CTL		MCUCFG_REG(0x2438)
+#define CPUSYS2_CPU0_SPMC_STA		MCUCFG_REG(0x2434)
+#define CPUSYS2_CPU1_SPMC_STA		MCUCFG_REG(0x243C)
+
+#define MP0_CA7L_DBG_PWR_CTRL		MCUCFG_REG(0x068)
+#define MP1_CA7L_DBG_PWR_CTRL		MCUCFG_REG(0x268)
+#define BIG_DBG_PWR_CTRL		MCUCFG_REG(0x75C)
+
+#define MP2_SW_RST_B			BIT(0)
+#define MP2_TOPAON_APB_MASK		BIT(1)
+
+#define B_SW_HOT_PLUG_RESET		BIT(30)
+
+#define B_SW_PD_OFFSET			(18U)
+#define B_SW_PD				(U(0x3f) << B_SW_PD_OFFSET)
+
+#define B_SW_SRAM_SLEEPB_OFFSET		(12U)
+#define B_SW_SRAM_SLEEPB		(U(0x3f) << B_SW_SRAM_SLEEPB_OFFSET)
+
+#define B_SW_SRAM_ISOINTB		BIT(9)
+#define B_SW_ISO			BIT(8)
+#define B_SW_LOGIC_PDB			BIT(7)
+#define B_SW_LOGIC_PRE2_PDB		BIT(6)
+#define B_SW_LOGIC_PRE1_PDB		BIT(5)
+#define B_SW_FSM_OVERRIDE		BIT(4)
+#define B_SW_PWR_ON			BIT(3)
+#define B_SW_PWR_ON_OVERRIDE_EN		BIT(2)
+
+#define B_FSM_STATE_OUT_OFFSET		(6U)
+#define B_FSM_STATE_OUT_MASK		(U(0x1f) << B_FSM_STATE_OUT_OFFSET)
+#define B_SW_LOGIC_PDBO_ALL_OFF_ACK	BIT(5)
+#define B_SW_LOGIC_PDBO_ALL_ON_ACK	BIT(4)
+#define B_SW_LOGIC_PRE2_PDBO_ALL_ON_ACK	BIT(3)
+#define B_SW_LOGIC_PRE1_PDBO_ALL_ON_ACK	BIT(2)
+
+#define B_FSM_OFF			(0U << B_FSM_STATE_OUT_OFFSET)
+#define B_FSM_ON			(1U << B_FSM_STATE_OUT_OFFSET)
+#define B_FSM_RET			(2U << B_FSM_STATE_OUT_OFFSET)
+
+#ifndef __ASSEMBLER__
+/* cpu boot mode */
+enum {
+	MP0_CPUCFG_64BIT_SHIFT = 12U,
+	MP1_CPUCFG_64BIT_SHIFT = 28U,
+	MP0_CPUCFG_64BIT = U(0xf) << MP0_CPUCFG_64BIT_SHIFT,
+	MP1_CPUCFG_64BIT = U(0xf) << MP1_CPUCFG_64BIT_SHIFT
+};
+
+enum {
+	MP1_DIS_RGU0_WAIT_PD_CPUS_L1_ACK_SHIFT = 0U,
+	MP1_DIS_RGU1_WAIT_PD_CPUS_L1_ACK_SHIFT = 4U,
+	MP1_DIS_RGU2_WAIT_PD_CPUS_L1_ACK_SHIFT = 8U,
+	MP1_DIS_RGU3_WAIT_PD_CPUS_L1_ACK_SHIFT = 12U,
+	MP1_DIS_RGU_NOCPU_WAIT_PD_CPUS_L1_ACK_SHIFT = 16U,
+
+	MP1_DIS_RGU0_WAIT_PD_CPUS_L1_ACK =
+		U(0xf) << MP1_DIS_RGU0_WAIT_PD_CPUS_L1_ACK_SHIFT,
+	MP1_DIS_RGU1_WAIT_PD_CPUS_L1_ACK =
+		U(0xf) << MP1_DIS_RGU1_WAIT_PD_CPUS_L1_ACK_SHIFT,
+	MP1_DIS_RGU2_WAIT_PD_CPUS_L1_ACK =
+		U(0xf) << MP1_DIS_RGU2_WAIT_PD_CPUS_L1_ACK_SHIFT,
+	MP1_DIS_RGU3_WAIT_PD_CPUS_L1_ACK =
+		U(0xf) << MP1_DIS_RGU3_WAIT_PD_CPUS_L1_ACK_SHIFT,
+	MP1_DIS_RGU_NOCPU_WAIT_PD_CPUS_L1_ACK =
+		U(0xf) << MP1_DIS_RGU_NOCPU_WAIT_PD_CPUS_L1_ACK_SHIFT
+};
+
+enum {
+	MP1_AINACTS_SHIFT = 4U,
+	MP1_AINACTS = 1U << MP1_AINACTS_SHIFT
+};
+
+enum {
+	MP1_SW_CG_GEN_SHIFT = 12U,
+	MP1_SW_CG_GEN = 1U << MP1_SW_CG_GEN_SHIFT
+};
+
+enum {
+	MP1_L2RSTDISABLE_SHIFT = 14U,
+	MP1_L2RSTDISABLE = 1U << MP1_L2RSTDISABLE_SHIFT
+};
+#endif /* __ASSEMBLER__ */
+
+#endif  /* MCUCFG_H */
diff --git a/plat/mediatek/mt8186/include/mt_spm_resource_req.h b/plat/mediatek/mt8186/include/mt_spm_resource_req.h
new file mode 100644
index 0000000..9761e79
--- /dev/null
+++ b/plat/mediatek/mt8186/include/mt_spm_resource_req.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_RESOURCE_REQ_H
+#define MT_SPM_RESOURCE_REQ_H
+
+/* SPM resource request internal bit */
+#define MT_SPM_BIT_XO_FPM	(0U)
+#define MT_SPM_BIT_26M		(1U)
+#define MT_SPM_BIT_INFRA	(2U)
+#define MT_SPM_BIT_SYSPLL	(3U)
+#define MT_SPM_BIT_DRAM_S0	(4U)
+#define MT_SPM_BIT_DRAM_S1	(5U)
+
+/* SPM resource request internal bit_mask */
+#define MT_SPM_XO_FPM	BIT(MT_SPM_BIT_XO_FPM)
+#define MT_SPM_26M	BIT(MT_SPM_BIT_26M)
+#define MT_SPM_INFRA	BIT(MT_SPM_BIT_INFRA)
+#define MT_SPM_SYSPLL	BIT(MT_SPM_BIT_SYSPLL)
+#define MT_SPM_DRAM_S0	BIT(MT_SPM_BIT_DRAM_S0)
+#define MT_SPM_DRAM_S1	BIT(MT_SPM_BIT_DRAM_S1)
+
+char spm_resource_req(unsigned int user, unsigned int req_mask);
+
+#define IS_PLAT_SUSPEND_ID(stateid)\
+	((stateid == MT_PLAT_PWR_STATE_SUSPEND2IDLE)\
+	 || (stateid == MT_PLAT_PWR_STATE_SYSTEM_SUSPEND))
+
+#endif /* MT_SPM_RESOURCE_REQ_H */
diff --git a/plat/mediatek/mt8186/include/plat_helpers.h b/plat/mediatek/mt8186/include/plat_helpers.h
new file mode 100644
index 0000000..ebc9fa0
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_helpers.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __PLAT_HELPERS_H__
+#define __PLAT_HELPERS_H__
+
+unsigned int plat_mediatek_calc_core_pos(u_register_t mpidr);
+
+#endif /* __PLAT_HELPERS_H__ */
diff --git a/plat/mediatek/mt8186/include/plat_macros.S b/plat/mediatek/mt8186/include/plat_macros.S
new file mode 100644
index 0000000..39727ea
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_macros.S
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+#include <platform_def.h>
+
+.section .rodata.gic_reg_name, "aS"
+gicc_regs:
+	.asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+gicd_pend_reg:
+	.asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n"	\
+		" Offset:\t\t\tvalue\n"
+newline:
+	.asciz "\n"
+spacer:
+	.asciz ":\t\t0x"
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+	.asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+	/* ---------------------------------------------
+	 * The below macro prints out relevant GIC
+	 * registers whenever an unhandled exception
+	 * is taken in BL31.
+	 * Clobbers: x0 - x10, x26, x27, sp
+	 * ---------------------------------------------
+	 */
+	.macro plat_crash_print_regs
+	/* TODO: leave implementation to GIC owner */
+	.endm
+
+#endif /* PLAT_MACROS_S */
diff --git a/plat/mediatek/mt8186/include/plat_mtk_lpm.h b/plat/mediatek/mt8186/include/plat_mtk_lpm.h
new file mode 100644
index 0000000..12ea9d7
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_mtk_lpm.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_MTK_LPM_H
+#define PLAT_MTK_LPM_H
+
+#include <lib/psci/psci.h>
+#include <lib/utils_def.h>
+
+#define MT_IRQ_REMAIN_MAX	U(32)
+#define MT_IRQ_REMAIN_CAT_LOG	BIT(31)
+
+struct mt_irqremain {
+	unsigned int count;
+	unsigned int irqs[MT_IRQ_REMAIN_MAX];
+	unsigned int wakeupsrc_cat[MT_IRQ_REMAIN_MAX];
+	unsigned int wakeupsrc[MT_IRQ_REMAIN_MAX];
+};
+
+#define PLAT_RC_STATUS_READY		BIT(0)
+#define PLAT_RC_STATUS_FEATURE_EN	BIT(1)
+#define PLAT_RC_STATUS_UART_NONSLEEP	BIT(31)
+
+struct mt_lpm_tz {
+	int (*pwr_prompt)(unsigned int cpu, const psci_power_state_t *state);
+	int (*pwr_reflect)(unsigned int cpu, const psci_power_state_t *state);
+
+	int (*pwr_cpu_on)(unsigned int cpu, const psci_power_state_t *state);
+	int (*pwr_cpu_dwn)(unsigned int cpu, const psci_power_state_t *state);
+
+	int (*pwr_cluster_on)(unsigned int cpu,
+					const psci_power_state_t *state);
+	int (*pwr_cluster_dwn)(unsigned int cpu,
+					const psci_power_state_t *state);
+
+	int (*pwr_mcusys_on)(unsigned int cpu, const psci_power_state_t *state);
+	int (*pwr_mcusys_on_finished)(unsigned int cpu,
+					const psci_power_state_t *state);
+	int (*pwr_mcusys_dwn)(unsigned int cpu,
+					const psci_power_state_t *state);
+};
+
+const struct mt_lpm_tz *mt_plat_cpu_pm_init(void);
+int plat_mt_pm_register(struct mt_lpm_tz *mt_pm);
+
+#endif /* PLAT_MTK_LPM_H */
diff --git a/plat/mediatek/mt8186/include/plat_pm.h b/plat/mediatek/mt8186/include/plat_pm.h
new file mode 100644
index 0000000..ec70e4b
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_pm.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PM_H
+#define PLAT_PM_H
+
+#include <lib/utils_def.h>
+
+#ifndef __ASSEMBLY__
+extern uintptr_t mtk_suspend_footprint_addr;
+extern uintptr_t mtk_suspend_timestamp_addr;
+
+#define MT_PLAT_PWR_STATE_CPU			U(1)
+#define MT_PLAT_PWR_STATE_CLUSTER		U(2)
+#define MT_PLAT_PWR_STATE_MCUSYS		U(3)
+#define MT_PLAT_PWR_STATE_SUSPEND2IDLE		U(8)
+#define MT_PLAT_PWR_STATE_SYSTEM_SUSPEND	U(9)
+
+#define MTK_LOCAL_STATE_RUN			U(0)
+#define MTK_LOCAL_STATE_RET			U(1)
+#define MTK_LOCAL_STATE_OFF			U(2)
+
+#define MTK_AFFLVL_CPU				U(0)
+#define MTK_AFFLVL_CLUSTER			U(1)
+#define MTK_AFFLVL_MCUSYS			U(2)
+#define MTK_AFFLVL_SYSTEM			U(3)
+
+void mtk_suspend_footprint_log(int idx);
+void mtk_suspend_timestamp_log(int idx);
+
+int mt_cluster_ops(int cputop_mpx, int mode, int state);
+int mt_core_ops(int cpux, int state);
+
+#define IS_CLUSTER_OFF_STATE(s)					\
+		is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_CLUSTER])
+#define IS_MCUSYS_OFF_STATE(s)					\
+		is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_MCUSYS])
+#define IS_SYSTEM_SUSPEND_STATE(s)				\
+		is_local_state_off(s->pwr_domain_state[MTK_AFFLVL_SYSTEM])
+
+/* SMC secure magic number */
+#define SPM_LP_SMC_MAGIC	(0xDAF10000)
+
+#define IS_SPM_LP_SMC(_type, _id)	(_id == (SPM_LP_SMC_MAGIC | _type))
+
+enum mtk_suspend_mode {
+	MTK_MCDI_MODE		= 1U,
+	MTK_IDLEDRAM_MODE	= 2U,
+	MTK_IDLESYSPLL_MODE	= 3U,
+	MTK_IDLEBUS26M_MODE	= 4U,
+	MTK_SUSPEND_MODE	= 5U,
+};
+#endif
+
+enum mt8169_idle_model {
+	IDLE_MODEL_START		= 0U,
+	IDLE_MODEL_RESOURCE_HEAD	= IDLE_MODEL_START,
+	IDLE_MODEL_BUS26M		= IDLE_MODEL_RESOURCE_HEAD,
+	IDLE_MODEL_SYSPLL		= 1U,
+	IDLE_MODEL_DRAM			= 2U,
+	IDLE_MODEL_NUM			= 3U,
+};
+
+#define footprint_addr(cpu)		(mtk_suspend_footprint_addr + (cpu << 2))
+#define timestamp_addr(cpu, idx)	(mtk_suspend_timestamp_addr +	\
+					 ((cpu * MTK_SUSPEND_TIMESTAMP_MAX + idx) << 3))
+
+#define MTK_SUSPEND_FOOTPRINT_ENTER_CPUIDLE		(0U)
+#define MTK_SUSPEND_FOOTPRINT_BEFORE_ATF		(1U)
+#define MTK_SUSPEND_FOOTPRINT_ENTER_ATF			(2U)
+#define MTK_SUSPEND_FOOTPRINT_RESERVE_P1		(3U)
+#define MTK_SUSPEND_FOOTPRINT_RESERVE_P2		(4U)
+#define MTK_SUSPEND_FOOTPRINT_ENTER_SPM_SUSPEND		(5U)
+#define MTK_SUSPEND_FOOTPRINT_LEAVE_SPM_SUSPEND		(6U)
+#define MTK_SUSPEND_FOOTPRINT_BEFORE_WFI		(7U)
+#define MTK_SUSPEND_FOOTPRINT_AFTER_WFI			(8U)
+#define MTK_SUSPEND_FOOTPRINT_BEFORE_MMU		(9U)
+#define MTK_SUSPEND_FOOTPRINT_AFTER_MMU			(10U)
+#define MTK_SUSPEND_FOOTPRINT_ENTER_SPM_SUSPEND_FINISH	(11U)
+#define MTK_SUSPEND_FOOTPRINT_LEAVE_SPM_SUSPEND_FINISH	(12U)
+#define MTK_SUSPEND_FOOTPRINT_LEAVE_ATF			(13U)
+#define MTK_SUSPEND_FOOTPRINT_AFTER_ATF			(14U)
+#define MTK_SUSPEND_FOOTPRINT_LEAVE_CPUIDLE		(15U)
+
+#define MTK_SUSPEND_TIMESTAMP_ENTER_CPUIDLE		(0U)
+#define MTK_SUSPEND_TIMESTAMP_BEFORE_ATF		(1U)
+#define MTK_SUSPEND_TIMESTAMP_ENTER_ATF			(2U)
+#define MTK_SUSPEND_TIMESTAMP_BEFORE_L2_FLUSH		(3U)
+#define MTK_SUSPEND_TIMESTAMP_AFTER_L2_FLUSH		(4U)
+#define MTK_SUSPEND_TIMESTAMP_ENTER_SPM_SUSPEND		(5U)
+#define MTK_SUSPEND_TIMESTAMP_LEAVE_SPM_SUSPEND		(6U)
+#define MTK_SUSPEND_TIMESTAMP_GIC_P1			(7U)
+#define MTK_SUSPEND_TIMESTAMP_GIC_P2			(8U)
+#define MTK_SUSPEND_TIMESTAMP_BEFORE_WFI		(9U)
+#define MTK_SUSPEND_TIMESTAMP_AFTER_WFI			(10U)
+#define MTK_SUSPEND_TIMESTAMP_RESERVE_P1		(11U)
+#define MTK_SUSPEND_TIMESTAMP_RESERVE_P2		(12U)
+#define MTK_SUSPEND_TIMESTAMP_GIC_P3			(13U)
+#define MTK_SUSPEND_TIMESTAMP_GIC_P4			(14U)
+#define MTK_SUSPEND_TIMESTAMP_ENTER_SPM_SUSPEND_FINISH	(15U)
+#define MTK_SUSPEND_TIMESTAMP_LEAVE_SPM_SUSPEND_FINISH	(16U)
+#define MTK_SUSPEND_TIMESTAMP_LEAVE_ATF			(17U)
+#define MTK_SUSPEND_TIMESTAMP_AFTER_ATF			(18U)
+#define MTK_SUSPEND_TIMESTAMP_LEAVE_CPUIDLE		(19U)
+#define MTK_SUSPEND_TIMESTAMP_MAX			(20U)
+
+/*
+ * definition platform power state menas.
+ * PLAT_MT_SYSTEM_SUSPEND	- system suspend pwr level
+ * PLAT_MT_CPU_SUSPEND_CLUSTER	- cluster off pwr level
+ */
+#define PLAT_MT_SYSTEM_SUSPEND		PLAT_MAX_OFF_STATE
+#define PLAT_MT_CPU_SUSPEND_CLUSTER	PLAT_MAX_RET_STATE
+
+#define IS_PLAT_SYSTEM_SUSPEND(aff)	(aff == PLAT_MT_SYSTEM_SUSPEND)
+#define IS_PLAT_SYSTEM_RETENTION(aff)	(aff >= PLAT_MAX_RET_STATE)
+
+#define IS_PLAT_SUSPEND2IDLE_ID(stateid)\
+	(stateid == MT_PLAT_PWR_STATE_SUSPEND2IDLE)
+
+#define IS_PLAT_SUSPEND_ID(stateid)			\
+	((stateid == MT_PLAT_PWR_STATE_SUSPEND2IDLE)	\
+	|| (stateid == MT_PLAT_PWR_STATE_SYSTEM_SUSPEND))
+
+#endif /* PLAT_PM_H */
diff --git a/plat/mediatek/mt8186/include/plat_private.h b/plat/mediatek/mt8186/include/plat_private.h
new file mode 100644
index 0000000..7ef2b85
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_private.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PRIVATE_H
+#define PLAT_PRIVATE_H
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+			    uintptr_t total_size,
+			    uintptr_t ro_start,
+			    uintptr_t ro_limit);
+
+#endif /* PLAT_PRIVATE_H */
diff --git a/plat/mediatek/mt8186/include/plat_sip_calls.h b/plat/mediatek/mt8186/include/plat_sip_calls.h
new file mode 100644
index 0000000..f5c15e3
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_sip_calls.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2021-2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_SIP_CALLS_H
+#define PLAT_SIP_CALLS_H
+
+/*******************************************************************************
+ * Plat SiP function constants
+ ******************************************************************************/
+#define MTK_PLAT_SIP_NUM_CALLS		(6)
+
+#endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/mediatek/mt8186/include/plat_uart.h b/plat/mediatek/mt8186/include/plat_uart.h
new file mode 100644
index 0000000..f0fb442
--- /dev/null
+++ b/plat/mediatek/mt8186/include/plat_uart.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __PLAT_UART_H__
+#define __PLAT_UART_H__
+
+/* UART error code */
+#define UART_DONE	U(0)
+#define UART_PM_ERROR	U(1)
+
+/* UART HW information */
+#ifndef HW_SUPPORT_UART_PORTS
+#define HW_SUPPORT_UART_PORTS	(2U)	/* the UART PORTs current HW have */
+#endif
+#define MTK_UART_SEND_SLEEP_REQ	(1U)	/* Request uart to sleep */
+#define MTK_UART_SLEEP_ACK_IDLE	(1U)	/* uart in idle state */
+#define MTK_UART_WAIT_ACK_TIMES	(50U)
+
+#define UART_BASE0	(0x11002000)
+#define UART_BASE1	(0x11003000)
+
+#endif /* __PLAT_UART_H__ */
diff --git a/plat/mediatek/mt8186/include/platform_def.h b/plat/mediatek/mt8186/include/platform_def.h
new file mode 100644
index 0000000..850ce2f
--- /dev/null
+++ b/plat/mediatek/mt8186/include/platform_def.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2021-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#define PLAT_PRIMARY_CPU	(0x0)
+
+#define MT_GIC_BASE		(0x0C000000)
+#define MCUCFG_BASE		(0x0C530000)
+#define IO_PHYS			(0x10000000)
+
+/* Aggregate of all devices for MMU mapping */
+#define MTK_DEV_RNG0_BASE	IO_PHYS
+#define MTK_DEV_RNG0_SIZE	(0x10000000)
+#define MTK_DEV_RNG2_BASE	MT_GIC_BASE
+#define MTK_DEV_RNG2_SIZE	(0x600000)
+#define MTK_MCDI_SRAM_BASE	(0x11B000)
+#define MTK_MCDI_SRAM_MAP_SIZE  (0x1000)
+
+#define TOPCKGEN_BASE           (IO_PHYS + 0x00000000)
+#define INFRACFG_AO_BASE        (IO_PHYS + 0x00001000)
+#define SPM_BASE		(IO_PHYS + 0x00006000)
+#define APMIXEDSYS              (IO_PHYS + 0x0000C000)
+#define SSPM_MCDI_SHARE_SRAM    (IO_PHYS + 0x00420000)
+#define SSPM_CFGREG_BASE        (IO_PHYS + 0x00440000)  /* SSPM view: 0x30040000 */
+#define SSPM_MBOX_BASE          (IO_PHYS + 0x00480000)
+#define PERICFG_AO_BASE         (IO_PHYS + 0x01003000)
+#define VPPSYS0_BASE            (IO_PHYS + 0x04000000)
+#define VPPSYS1_BASE            (IO_PHYS + 0x04f00000)
+#define VDOSYS0_BASE            (IO_PHYS + 0x0C01A000)
+#define VDOSYS1_BASE            (IO_PHYS + 0x0C100000)
+
+/*******************************************************************************
+ * GPIO related constants
+ ******************************************************************************/
+#define TOPCKGEN_BASE		(IO_PHYS + 0x00000000)
+#define INFRACFG_AO_BASE	(IO_PHYS + 0x00001000)
+#define GPIO_BASE		(IO_PHYS + 0x00005000)
+#define SPM_BASE		(IO_PHYS + 0x00006000)
+#define IOCFG_LT_BASE		(IO_PHYS + 0x00002000)
+#define IOCFG_LM_BASE		(IO_PHYS + 0x00002200)
+#define IOCFG_LB_BASE		(IO_PHYS + 0x00002400)
+#define IOCFG_BL_BASE		(IO_PHYS + 0x00002600)
+#define IOCFG_RB_BASE		(IO_PHYS + 0x00002A00)
+#define IOCFG_RT_BASE		(IO_PHYS + 0x00002C00)
+#define APMIXEDSYS		(IO_PHYS + 0x0000C000)
+#define DVFSRC_BASE		(IO_PHYS + 0x00012000)
+#define MMSYS_BASE		(IO_PHYS + 0x04000000)
+#define MDPSYS_BASE		(IO_PHYS + 0x0B000000)
+
+/*******************************************************************************
+ * UART related constants
+ ******************************************************************************/
+#define UART0_BASE		(IO_PHYS + 0x01002000)
+#define UART1_BASE		(IO_PHYS + 0x01003000)
+
+#define UART_BAUDRATE		(115200)
+
+/*******************************************************************************
+ * PWRAP related constants
+ ******************************************************************************/
+#define PMIC_WRAP_BASE		(IO_PHYS + 0x0000D000)
+
+/*******************************************************************************
+ * EMI MPU related constants
+ ******************************************************************************/
+#define EMI_MPU_BASE		(IO_PHYS + 0x0021B000)
+
+/*******************************************************************************
+ * MSDC related constants
+ ******************************************************************************/
+#define MSDC0_BASE		(IO_PHYS + 0x01230000)
+
+/*******************************************************************************
+ * GIC-600 & interrupt handling related constants
+ ******************************************************************************/
+/* Base MTK_platform compatible GIC memory map */
+#define BASE_GICD_BASE		MT_GIC_BASE
+#define MT_GIC_RDIST_BASE	(MT_GIC_BASE + 0x40000)
+
+#define SYS_CIRQ_BASE		(IO_PHYS + 0x204000)
+#define CIRQ_REG_NUM		(11)
+#define CIRQ_IRQ_NUM		(326)
+#define CIRQ_SPI_START		(64)
+#define MD_WDT_IRQ_BIT_ID	(107)
+/*******************************************************************************
+ * System counter frequency related constants
+ ******************************************************************************/
+#define SYS_COUNTER_FREQ_IN_TICKS	(13000000)
+#define SYS_COUNTER_FREQ_IN_MHZ		(13)
+
+/*******************************************************************************
+ * Platform binary types for linking
+ ******************************************************************************/
+#define PLATFORM_LINKER_FORMAT		"elf64-littleaarch64"
+#define PLATFORM_LINKER_ARCH		aarch64
+
+/*******************************************************************************
+ * Generic platform constants
+ ******************************************************************************/
+#define PLATFORM_STACK_SIZE		0x800
+
+#define FIRMWARE_WELCOME_STR		"Booting Trusted Firmware\n"
+
+#define PLAT_MAX_PWR_LVL		U(3)
+#define PLAT_MAX_RET_STATE		U(1)
+#define PLAT_MAX_OFF_STATE		U(9)
+
+#define PLATFORM_SYSTEM_COUNT		U(1)
+#define PLATFORM_MCUSYS_COUNT		U(1)
+#define PLATFORM_CLUSTER_COUNT		U(1)
+#define PLATFORM_CLUSTER0_CORE_COUNT	U(8)
+#define PLATFORM_CLUSTER1_CORE_COUNT	U(0)
+
+#define PLATFORM_CORE_COUNT		(PLATFORM_CLUSTER0_CORE_COUNT)
+#define PLATFORM_MAX_CPUS_PER_CLUSTER	U(8)
+
+#define SOC_CHIP_ID			U(0x8186)
+
+/*******************************************************************************
+ * Platform memory map related constants
+ ******************************************************************************/
+#define TZRAM_BASE			(0x54600000)
+#define TZRAM_SIZE			(0x00030000)
+
+/*******************************************************************************
+ * BL31 specific defines.
+ ******************************************************************************/
+/*
+ * Put BL3-1 at the top of the Trusted SRAM (just below the shared memory, if
+ * present). BL31_BASE is calculated using the current BL3-1 debug size plus a
+ * little space for growth.
+ */
+#define BL31_BASE			(TZRAM_BASE + 0x1000)
+#define BL31_LIMIT			(TZRAM_BASE + TZRAM_SIZE)
+
+/*******************************************************************************
+ * Platform specific page table and MMU setup constants
+ ******************************************************************************/
+#define PLAT_PHY_ADDR_SPACE_SIZE	(1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE	(1ULL << 32)
+#define MAX_XLAT_TABLES			(16)
+#define MAX_MMAP_REGIONS		(16)
+
+/*******************************************************************************
+ * Declarations and constants to access the mailboxes safely. Each mailbox is
+ * aligned on the biggest cache line size in the platform. This is known only
+ * to the platform as it might have a combination of integrated and external
+ * caches. Such alignment ensures that two maiboxes do not sit on the same cache
+ * line at any cache level. They could belong to different cpus/clusters &
+ * get written while being protected by different locks causing corruption of
+ * a valid mailbox address.
+ ******************************************************************************/
+#define CACHE_WRITEBACK_SHIFT		(6)
+#define CACHE_WRITEBACK_GRANULE		BIT(CACHE_WRITEBACK_SHIFT)
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/mediatek/mt8186/include/sspm_reg.h b/plat/mediatek/mt8186/include/sspm_reg.h
new file mode 100644
index 0000000..40b71ac
--- /dev/null
+++ b/plat/mediatek/mt8186/include/sspm_reg.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __SSPM_REG_H__
+#define __SSPM_REG_H__
+
+#include "platform_def.h"
+
+#define SSPM_CFGREG_ADDR(ofs)	(SSPM_CFGREG_BASE + (ofs))
+
+#define SSPM_HW_SEM		SSPM_CFGREG_ADDR(0x0048)
+#define SSPM_ACAO_INT_SET	SSPM_CFGREG_ADDR(0x00D8)
+#define SSPM_ACAO_INT_CLR	SSPM_CFGREG_ADDR(0x00DC)
+
+#define STANDBYWFI_EN(n)	(1 << (n + 8))
+#define GIC_IRQOUT_EN(n)	(1 << (n + 0))
+
+#endif /* __SSPM_REG_H__ */