mediatek: mt8192: Add Vcore DVFS driver

Change-Id: I4bd4612a7c7727a5be70957ae940e5f51c7ca5e6
Signed-off-by: Roger Lu <roger.lu@mediatek.com>

plat/mediatek/common/mtk_sip_svc.h

@@ -31,6 +31,10 @@
 #define MTK_SIP_KERNEL_BOOT_AARCH32		0x82000200
 #define MTK_SIP_KERNEL_BOOT_AARCH64		0xC2000200
 
+/* VCORE */
+#define MTK_SIP_VCORE_CONTROL_ARCH32		0x82000506
+#define MTK_SIP_VCORE_CONTROL_ARCH64		0xC2000506
+
 /* Mediatek SiP Calls error code */
 enum {
 	MTK_SIP_E_SUCCESS = 0,

plat/mediatek/mt8192/drivers/spm/build.mk

@@ -20,7 +20,8 @@ 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
+	${CUR_SPM_FOLDER}/mt_spm_pmic_wrap.c	\
+	${CUR_SPM_FOLDER}/mt_spm_vcorefs.c
 
 # spm platform dependcy files
 PLAT_SPM_SOURCE_FILES +=					\

plat/mediatek/mt8192/drivers/spm/mt_spm_conservation.c

@@ -11,6 +11,7 @@
 #include <mt_spm_conservation.h>
 #include <mt_spm_internal.h>
 #include <mt_spm_reg.h>
+#include <mt_spm_vcorefs.h>
 #include <plat_mtk_lpm.h>
 #include <plat_pm.h>
 #include <plat/common/platform.h>
@@ -31,6 +32,7 @@ static int go_to_spm_before_wfi(int state_id, unsigned int ext_opand,
 	__spm_set_cpu_status(cpu);
 	__spm_set_power_control(pwrctrl);
 	__spm_set_wakeup_event(pwrctrl);
+	__spm_sync_vcore_dvfs_power_control(pwrctrl, __spm_vcorefs.pwrctrl);
 	__spm_set_pcm_flags(pwrctrl);
 	__spm_src_req_update(pwrctrl, resource_req);
 

plat/mediatek/mt8192/drivers/spm/mt_spm_internal.h

@@ -594,6 +594,9 @@ extern void __spm_get_wakeup_status(struct wake_status *wakesta,
 extern void __spm_clean_after_wakeup(void);
 extern wake_reason_t
 __spm_output_wake_reason(int state_id, const struct wake_status *wakesta);
+extern void
+__spm_sync_vcore_dvfs_power_control(struct pwr_ctrl *dest_pwr_ctrl,
+				    const struct pwr_ctrl *src_pwr_ctrl);
 extern void __spm_set_pcm_wdt(int en);
 extern uint32_t _spm_get_wake_period(int pwake_time, wake_reason_t last_wr);
 extern void __spm_set_fw_resume_option(struct pwr_ctrl *pwrctrl);

plat/mediatek/mt8192/drivers/spm/mt_spm_vcorefs.c

+/*
+ * Copyright(C)2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+#include <lib/utils_def.h>
+
+#include <mtk_sip_svc.h>
+#include <plat_pm.h>
+#include <platform_def.h>
+
+#include "mt_spm.h"
+#include "mt_spm_internal.h"
+#include "mt_spm_reg.h"
+#include "mt_spm_vcorefs.h"
+#include "mt_spm_pmic_wrap.h"
+
+#define VCORE_CT_ENABLE (1U << 5)
+#define SW_REQ5_INIT_VAL (6U << 12)
+#define V_VMODE_SHIFT 0
+#define VCORE_HV 105
+#define VCORE_LV 95
+#define PMIC_STEP_UV 6250
+
+static const struct reg_config dvfsrc_init_configs[] = {
+	/* Setup opp table */
+	{ DVFSRC_LEVEL_LABEL_0_1, 0x50436053 },
+	{ DVFSRC_LEVEL_LABEL_2_3, 0x40335042 },
+	{ DVFSRC_LEVEL_LABEL_4_5, 0x40314032 },
+	{ DVFSRC_LEVEL_LABEL_6_7, 0x30223023 },
+	{ DVFSRC_LEVEL_LABEL_8_9, 0x20133021 },
+	{ DVFSRC_LEVEL_LABEL_10_11, 0x20112012 },
+	{ DVFSRC_LEVEL_LABEL_12_13, 0x10032010 },
+	{ DVFSRC_LEVEL_LABEL_14_15, 0x10011002 },
+	{ DVFSRC_LEVEL_LABEL_16_17, 0x00131000 },
+	{ DVFSRC_LEVEL_LABEL_18_19, 0x00110012 },
+	{ DVFSRC_LEVEL_LABEL_20_21, 0x00000010 },
+
+	/* Setup hw emi qos policy */
+	{ DVFSRC_DDR_REQUEST, 0x00004321 },
+	{ DVFSRC_DDR_REQUEST3, 0x00000065 },
+
+	/* Setup up for PCIe */
+	{ DVFSRC_PCIE_VCORE_REQ, 0x0A298001 },
+
+	/* Setup up HRT QOS policy */
+	{ DVFSRC_HRT_BW_BASE, 0x00000004 },
+	{ DVFSRC_HRT_REQ_UNIT, 0x0000001E },
+	{ DVFSRC_HRT_HIGH_3, 0x18A618A6 },
+	{ DVFSRC_HRT_HIGH_2, 0x18A61183 },
+	{ DVFSRC_HRT_HIGH_1, 0x0D690B80 },
+	{ DVFSRC_HRT_HIGH, 0x070804B0 },
+	{ DVFSRC_HRT_LOW_3, 0x18A518A5 },
+	{ DVFSRC_HRT_LOW_2, 0x18A51182 },
+	{ DVFSRC_HRT_LOW_1, 0x0D680B7F },
+	{ DVFSRC_HRT_LOW, 0x070704AF },
+	{ DVFSRC_HRT_REQUEST, 0x66654321 },
+	/* Setup up SRT QOS policy */
+	{ DVFSRC_QOS_EN, 0x0011007C },
+	{ DVFSRC_DDR_QOS0, 0x00000019 },
+	{ DVFSRC_DDR_QOS1, 0x00000026 },
+	{ DVFSRC_DDR_QOS2, 0x00000033 },
+	{ DVFSRC_DDR_QOS3, 0x0000003B },
+	{ DVFSRC_DDR_QOS4, 0x0000004C },
+	{ DVFSRC_DDR_QOS5, 0x00000066 },
+	{ DVFSRC_DDR_QOS6, 0x00000066 },
+	{ DVFSRC_DDR_REQUEST5, 0x54321000 },
+	{ DVFSRC_DDR_REQUEST7, 0x66000000 },
+	/* Setup up hifi request policy */
+	{ DVFSRC_DDR_REQUEST6, 0x66543210 },
+	/* Setup up hw request vcore policy */
+	{ DVFSRC_VCORE_USER_REQ, 0x00010A29 },
+
+	/* Setup misc*/
+	{ DVFSRC_TIMEOUT_NEXTREQ, 0x00000015 },
+	{ DVFSRC_RSRV_5, 0x00000001 },
+	{ DVFSRC_INT_EN, 0x00000002 },
+	/* Init opp and enable dvfsrc*/
+	{ DVFSRC_CURRENT_FORCE, 0x00000001 },
+	{ DVFSRC_BASIC_CONTROL, 0x0298444B },
+	{ DVFSRC_BASIC_CONTROL, 0x0298054B },
+	{ DVFSRC_CURRENT_FORCE, 0x00000000 },
+};
+
+static struct pwr_ctrl vcorefs_ctrl = {
+	.wake_src = R12_REG_CPU_WAKEUP,
+
+	/* default VCORE DVFS is disabled */
+	.pcm_flags = (SPM_FLAG_RUN_COMMON_SCENARIO |
+			SPM_FLAG_DISABLE_VCORE_DVS |
+			SPM_FLAG_DISABLE_VCORE_DFS),
+
+	/* Auto-gen Start */
+
+	/* SPM_AP_STANDBY_CON */
+	.reg_wfi_op = 0,
+	.reg_wfi_type = 0,
+	.reg_mp0_cputop_idle_mask = 0,
+	.reg_mp1_cputop_idle_mask = 0,
+	.reg_mcusys_idle_mask = 0,
+	.reg_md_apsrc_1_sel = 0,
+	.reg_md_apsrc_0_sel = 0,
+	.reg_conn_apsrc_sel = 0,
+
+	/* SPM_SRC_REQ */
+	.reg_spm_apsrc_req = 0,
+	.reg_spm_f26m_req = 0,
+	.reg_spm_infra_req = 0,
+	.reg_spm_vrf18_req = 0,
+	.reg_spm_ddr_en_req = 1,
+	.reg_spm_dvfs_req = 0,
+	.reg_spm_sw_mailbox_req = 0,
+	.reg_spm_sspm_mailbox_req = 0,
+	.reg_spm_adsp_mailbox_req = 0,
+	.reg_spm_scp_mailbox_req = 0,
+
+	/* SPM_SRC6_MASK */
+	.reg_dpmaif_srcclkena_mask_b = 1,
+	.reg_dpmaif_infra_req_mask_b = 1,
+	.reg_dpmaif_apsrc_req_mask_b = 1,
+	.reg_dpmaif_vrf18_req_mask_b = 1,
+	.reg_dpmaif_ddr_en_mask_b    = 1,
+
+	/* SPM_SRC_MASK */
+	.reg_md_srcclkena_0_mask_b = 1,
+	.reg_md_srcclkena2infra_req_0_mask_b = 0,
+	.reg_md_apsrc2infra_req_0_mask_b = 1,
+	.reg_md_apsrc_req_0_mask_b = 1,
+	.reg_md_vrf18_req_0_mask_b = 1,
+	.reg_md_ddr_en_0_mask_b = 1,
+	.reg_md_srcclkena_1_mask_b = 0,
+	.reg_md_srcclkena2infra_req_1_mask_b = 0,
+	.reg_md_apsrc2infra_req_1_mask_b = 0,
+	.reg_md_apsrc_req_1_mask_b = 0,
+	.reg_md_vrf18_req_1_mask_b = 0,
+	.reg_md_ddr_en_1_mask_b = 0,
+	.reg_conn_srcclkena_mask_b = 1,
+	.reg_conn_srcclkenb_mask_b = 0,
+	.reg_conn_infra_req_mask_b = 1,
+	.reg_conn_apsrc_req_mask_b = 1,
+	.reg_conn_vrf18_req_mask_b = 1,
+	.reg_conn_ddr_en_mask_b = 1,
+	.reg_conn_vfe28_mask_b = 0,
+	.reg_srcclkeni0_srcclkena_mask_b = 1,
+	.reg_srcclkeni0_infra_req_mask_b = 1,
+	.reg_srcclkeni1_srcclkena_mask_b = 0,
+	.reg_srcclkeni1_infra_req_mask_b = 0,
+	.reg_srcclkeni2_srcclkena_mask_b = 0,
+	.reg_srcclkeni2_infra_req_mask_b = 0,
+	.reg_infrasys_apsrc_req_mask_b = 0,
+	.reg_infrasys_ddr_en_mask_b = 1,
+	.reg_md32_srcclkena_mask_b = 1,
+	.reg_md32_infra_req_mask_b = 1,
+	.reg_md32_apsrc_req_mask_b = 1,
+	.reg_md32_vrf18_req_mask_b = 1,
+	.reg_md32_ddr_en_mask_b = 1,
+
+	/* SPM_SRC2_MASK */
+	.reg_scp_srcclkena_mask_b = 1,
+	.reg_scp_infra_req_mask_b = 1,
+	.reg_scp_apsrc_req_mask_b = 1,
+	.reg_scp_vrf18_req_mask_b = 1,
+	.reg_scp_ddr_en_mask_b = 1,
+	.reg_audio_dsp_srcclkena_mask_b = 1,
+	.reg_audio_dsp_infra_req_mask_b = 1,
+	.reg_audio_dsp_apsrc_req_mask_b = 1,
+	.reg_audio_dsp_vrf18_req_mask_b = 1,
+	.reg_audio_dsp_ddr_en_mask_b = 1,
+	.reg_ufs_srcclkena_mask_b = 1,
+	.reg_ufs_infra_req_mask_b = 1,
+	.reg_ufs_apsrc_req_mask_b = 1,
+	.reg_ufs_vrf18_req_mask_b = 1,
+	.reg_ufs_ddr_en_mask_b = 1,
+	.reg_disp0_apsrc_req_mask_b = 1,
+	.reg_disp0_ddr_en_mask_b = 1,
+	.reg_disp1_apsrc_req_mask_b = 1,
+	.reg_disp1_ddr_en_mask_b = 1,
+	.reg_gce_infra_req_mask_b = 1,
+	.reg_gce_apsrc_req_mask_b = 1,
+	.reg_gce_vrf18_req_mask_b = 1,
+	.reg_gce_ddr_en_mask_b = 1,
+	.reg_apu_srcclkena_mask_b = 1,
+	.reg_apu_infra_req_mask_b = 1,
+	.reg_apu_apsrc_req_mask_b = 1,
+	.reg_apu_vrf18_req_mask_b = 1,
+	.reg_apu_ddr_en_mask_b = 1,
+	.reg_cg_check_srcclkena_mask_b = 0,
+	.reg_cg_check_apsrc_req_mask_b = 0,
+	.reg_cg_check_vrf18_req_mask_b = 0,
+	.reg_cg_check_ddr_en_mask_b = 0,
+
+	/* SPM_SRC3_MASK */
+	.reg_dvfsrc_event_trigger_mask_b = 1,
+	.reg_sw2spm_int0_mask_b = 0,
+	.reg_sw2spm_int1_mask_b = 0,
+	.reg_sw2spm_int2_mask_b = 0,
+	.reg_sw2spm_int3_mask_b = 0,
+	.reg_sc_adsp2spm_wakeup_mask_b = 0,
+	.reg_sc_sspm2spm_wakeup_mask_b = 0,
+	.reg_sc_scp2spm_wakeup_mask_b = 0,
+	.reg_csyspwrreq_mask = 1,
+	.reg_spm_srcclkena_reserved_mask_b = 0,
+	.reg_spm_infra_req_reserved_mask_b = 0,
+	.reg_spm_apsrc_req_reserved_mask_b = 0,
+	.reg_spm_vrf18_req_reserved_mask_b = 0,
+	.reg_spm_ddr_en_reserved_mask_b = 0,
+	.reg_mcupm_srcclkena_mask_b = 1,
+	.reg_mcupm_infra_req_mask_b = 1,
+	.reg_mcupm_apsrc_req_mask_b = 1,
+	.reg_mcupm_vrf18_req_mask_b = 1,
+	.reg_mcupm_ddr_en_mask_b = 1,
+	.reg_msdc0_srcclkena_mask_b = 1,
+	.reg_msdc0_infra_req_mask_b = 1,
+	.reg_msdc0_apsrc_req_mask_b = 1,
+	.reg_msdc0_vrf18_req_mask_b = 1,
+	.reg_msdc0_ddr_en_mask_b = 1,
+	.reg_msdc1_srcclkena_mask_b = 1,
+	.reg_msdc1_infra_req_mask_b = 1,
+	.reg_msdc1_apsrc_req_mask_b = 1,
+	.reg_msdc1_vrf18_req_mask_b = 1,
+	.reg_msdc1_ddr_en_mask_b = 1,
+
+	/* SPM_SRC4_MASK */
+	.ccif_event_mask_b = 0xFFF,
+	.reg_bak_psri_srcclkena_mask_b = 0,
+	.reg_bak_psri_infra_req_mask_b = 0,
+	.reg_bak_psri_apsrc_req_mask_b = 0,
+	.reg_bak_psri_vrf18_req_mask_b = 0,
+	.reg_bak_psri_ddr_en_mask_b = 0,
+	.reg_dramc0_md32_infra_req_mask_b = 1,
+	.reg_dramc0_md32_vrf18_req_mask_b = 0,
+	.reg_dramc1_md32_infra_req_mask_b = 1,
+	.reg_dramc1_md32_vrf18_req_mask_b = 0,
+	.reg_conn_srcclkenb2pwrap_mask_b = 0,
+	.reg_dramc0_md32_wakeup_mask = 1,
+	.reg_dramc1_md32_wakeup_mask = 1,
+
+	/* SPM_SRC5_MASK */
+	.reg_mcusys_merge_apsrc_req_mask_b = 0x11,
+	.reg_mcusys_merge_ddr_en_mask_b = 0x11,
+	.reg_msdc2_srcclkena_mask_b = 1,
+	.reg_msdc2_infra_req_mask_b = 1,
+	.reg_msdc2_apsrc_req_mask_b = 1,
+	.reg_msdc2_vrf18_req_mask_b = 1,
+	.reg_msdc2_ddr_en_mask_b = 1,
+	.reg_pcie_srcclkena_mask_b = 1,
+	.reg_pcie_infra_req_mask_b = 1,
+	.reg_pcie_apsrc_req_mask_b = 1,
+	.reg_pcie_vrf18_req_mask_b = 1,
+	.reg_pcie_ddr_en_mask_b = 1,
+
+	/* SPM_WAKEUP_EVENT_MASK */
+	.reg_wakeup_event_mask = 0xEFFFFFFF,
+
+	/* SPM_WAKEUP_EVENT_EXT_MASK */
+	.reg_ext_wakeup_event_mask = 0xFFFFFFFF,
+
+	/* Auto-gen End */
+};
+
+struct spm_lp_scen __spm_vcorefs = {
+	.pwrctrl	= &vcorefs_ctrl,
+};
+
+static void spm_vcorefs_pwarp_cmd(uint64_t cmd, uint64_t val)
+{
+	if (cmd < NR_IDX_ALL) {
+		mt_spm_pmic_wrap_set_cmd(PMIC_WRAP_PHASE_ALLINONE, cmd, val);
+	} else {
+		INFO("cmd out of range!\n");
+	}
+}
+
+void spm_dvfsfw_init(uint64_t boot_up_opp, uint64_t dram_issue)
+{
+	mmio_clrsetbits_32(SPM_DVFS_MISC, SPM_DVFS_FORCE_ENABLE_LSB,
+		SPM_DVFSRC_ENABLE_LSB);
+
+	mmio_write_32(SPM_DVFS_LEVEL, 0x00000001);
+	mmio_write_32(SPM_DVS_DFS_LEVEL, 0x00010001);
+}
+
+void __spm_sync_vcore_dvfs_power_control(struct pwr_ctrl *dest_pwr_ctrl,
+					 const struct pwr_ctrl *src_pwr_ctrl)
+{
+	uint32_t dvfs_mask = SPM_FLAG_DISABLE_VCORE_DVS |
+			     SPM_FLAG_DISABLE_VCORE_DFS |
+			     SPM_FLAG_ENABLE_VOLTAGE_BIN;
+
+	dest_pwr_ctrl->pcm_flags = (dest_pwr_ctrl->pcm_flags & (~dvfs_mask)) |
+					(src_pwr_ctrl->pcm_flags & dvfs_mask);
+
+	if (dest_pwr_ctrl->pcm_flags_cust > 0U) {
+		dest_pwr_ctrl->pcm_flags_cust =
+			(dest_pwr_ctrl->pcm_flags_cust & (~dvfs_mask)) |
+			(src_pwr_ctrl->pcm_flags & dvfs_mask);
+	}
+}
+
+static void spm_go_to_vcorefs(void)
+{
+	__spm_set_power_control(__spm_vcorefs.pwrctrl);
+	__spm_set_wakeup_event(__spm_vcorefs.pwrctrl);
+	__spm_set_pcm_flags(__spm_vcorefs.pwrctrl);
+	__spm_send_cpu_wakeup_event();
+}
+
+static void dvfsrc_init(void)
+{
+	uint32_t i;
+
+	for (i = 0U; i < ARRAY_SIZE(dvfsrc_init_configs); i++) {
+		mmio_write_32(dvfsrc_init_configs[i].offset,
+			dvfsrc_init_configs[i].val);
+	}
+}
+
+static uint32_t spm_vcorefs_get_efuse_data(void)
+{
+	return mmio_read_32(VCORE_VB_EFUSE);
+}
+
+static uint32_t is_rising_need(void)
+{
+	return ((spm_vcorefs_get_efuse_data() & 0xF) == 11U) ? 1U : 0U;
+}
+
+static void spm_vcorefs_vcore_setting(uint64_t flag)
+{
+	uint32_t dvfs_v_mode, dvfsrc_rsrv, i;
+	uint32_t opp_uv[] = {725000U, 650000U, 600000U, 575000U};
+
+	dvfsrc_rsrv = mmio_read_32(DVFSRC_RSRV_4);
+
+	dvfs_v_mode = (dvfsrc_rsrv >> V_VMODE_SHIFT) & 0x3;
+
+	if (is_rising_need() != 0U) {
+		opp_uv[2] = 625000U;
+		opp_uv[3] = 600000U;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(opp_uv); i++) {
+		if (dvfs_v_mode == 3U) {
+			/* LV */
+			opp_uv[i] = round_down((opp_uv[i] * VCORE_LV) / 100U,
+					      PMIC_STEP_UV);
+		} else if (dvfs_v_mode == 1U) {
+			/* HV */
+			opp_uv[i] = round_up((opp_uv[i] * VCORE_HV) / 100U,
+					    PMIC_STEP_UV);
+		}
+		spm_vcorefs_pwarp_cmd(i, __vcore_uv_to_pmic(opp_uv[i]));
+	}
+}
+
+uint64_t spm_vcorefs_args(uint64_t x1, uint64_t x2, uint64_t x3, uint64_t *x4)
+{
+	uint64_t cmd = x1;
+	uint64_t spm_flags;
+
+	switch (cmd) {
+	case VCOREFS_SMC_CMD_INIT:
+		/* vcore_dvfs init + kick */
+		mmio_write_32(DVFSRC_SW_REQ5, SW_REQ5_INIT_VAL);
+		spm_dvfsfw_init(0ULL, 0ULL);
+		spm_vcorefs_vcore_setting(x3 & 0xF);
+		spm_flags = SPM_FLAG_RUN_COMMON_SCENARIO;
+		if ((x2 & 0x1) > 0U) {
+			spm_flags |= SPM_FLAG_DISABLE_VCORE_DVS;
+		}
+
+		if ((x2 & 0x2) > 0U) {
+			spm_flags |= SPM_FLAG_DISABLE_VCORE_DFS;
+		}
+
+		if ((mmio_read_32(DVFSRC_RSRV_4) & VCORE_CT_ENABLE) > 0U) {
+			spm_flags |= SPM_FLAG_ENABLE_VOLTAGE_BIN;
+		}
+
+		set_pwrctrl_pcm_flags(__spm_vcorefs.pwrctrl, spm_flags);
+		spm_go_to_vcorefs();
+		dvfsrc_init();
+
+		*x4 = 0U;
+	case VCOREFS_SMC_CMD_KICK:
+		mmio_write_32(DVFSRC_SW_REQ5, 0U);
+		break;
+	default:
+		break;
+	}
+
+	return 0ULL;
+}

plat/mediatek/mt8192/drivers/spm/mt_spm_vcorefs.h

+/*
+ * Copyright(C)2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_SPM_VCOREFS_H
+#define MT_SPM_VCOREFS_H
+
+uint64_t spm_vcorefs_args(uint64_t x1, uint64_t x2, uint64_t x3, uint64_t *x4);
+
+enum vcorefs_smc_cmd {
+	VCOREFS_SMC_CMD_0,
+	VCOREFS_SMC_CMD_1,
+	VCOREFS_SMC_CMD_2,
+	VCOREFS_SMC_CMD_3,
+	VCOREFS_SMC_CMD_4,
+	/* check spmfw status */
+	VCOREFS_SMC_CMD_5,
+
+	/* get spmfw type */
+	VCOREFS_SMC_CMD_6,
+
+	/* get spm reg status */
+	VCOREFS_SMC_CMD_7,
+
+	NUM_VCOREFS_SMC_CMD,
+};
+
+enum vcorefs_smc_cmd_new {
+	VCOREFS_SMC_CMD_INIT = 0,
+	VCOREFS_SMC_CMD_KICK = 1,
+};
+
+#define _VCORE_BASE_UV		400000
+#define _VCORE_STEP_UV		6250
+
+/* PMIC */
+#define __vcore_pmic_to_uv(pmic)	\
+	(((pmic) * _VCORE_STEP_UV) + _VCORE_BASE_UV)
+
+#define __vcore_uv_to_pmic(uv)	/* pmic >= uv */	\
+	((((uv) - _VCORE_BASE_UV) + (_VCORE_STEP_UV - 1)) / _VCORE_STEP_UV)
+
+struct reg_config {
+	uint32_t offset;
+	uint32_t val;
+};
+
+#define DVFSRC_BASIC_CONTROL             (DVFSRC_BASE + 0x0)
+#define DVFSRC_SW_REQ5                   (DVFSRC_BASE + 0x14)
+#define DVFSRC_INT_EN                    (DVFSRC_BASE + 0xC8)
+#define DVFSRC_MD_TURBO                  (DVFSRC_BASE + 0xDC)
+#define DVFSRC_PCIE_VCORE_REQ            (DVFSRC_BASE + 0xE0)
+#define DVFSRC_VCORE_USER_REQ            (DVFSRC_BASE + 0xE4)
+#define DVFSRC_TIMEOUT_NEXTREQ           (DVFSRC_BASE + 0xF8)
+#define DVFSRC_LEVEL_LABEL_0_1           (DVFSRC_BASE + 0x100)
+#define DVFSRC_LEVEL_LABEL_2_3           (DVFSRC_BASE + 0x104)
+#define DVFSRC_LEVEL_LABEL_4_5           (DVFSRC_BASE + 0x108)
+#define DVFSRC_LEVEL_LABEL_6_7           (DVFSRC_BASE + 0x10C)
+#define DVFSRC_LEVEL_LABEL_8_9           (DVFSRC_BASE + 0x110)
+#define DVFSRC_LEVEL_LABEL_10_11         (DVFSRC_BASE + 0x114)
+#define DVFSRC_LEVEL_LABEL_12_13         (DVFSRC_BASE + 0x118)
+#define DVFSRC_LEVEL_LABEL_14_15         (DVFSRC_BASE + 0x11C)
+#define DVFSRC_QOS_EN                    (DVFSRC_BASE + 0x280)
+#define DVFSRC_HRT_BW_BASE               (DVFSRC_BASE + 0x294)
+#define DVFSRC_RSRV_4                    (DVFSRC_BASE + 0x610)
+#define DVFSRC_RSRV_5                    (DVFSRC_BASE + 0x614)
+#define DVFSRC_DDR_REQUEST               (DVFSRC_BASE + 0xA00)
+#define DVFSRC_DDR_REQUEST2              (DVFSRC_BASE + 0xA04)
+#define DVFSRC_DDR_REQUEST3              (DVFSRC_BASE + 0xA08)
+#define DVFSRC_DDR_REQUEST4              (DVFSRC_BASE + 0xA0C)
+#define DVFSRC_DDR_REQUEST5              (DVFSRC_BASE + 0xA10)
+#define DVFSRC_DDR_REQUEST6              (DVFSRC_BASE + 0xA14)
+#define DVFSRC_DDR_REQUEST7              (DVFSRC_BASE + 0xA18)
+#define DVFSRC_DDR_QOS0                  (DVFSRC_BASE + 0xA34)
+#define DVFSRC_DDR_QOS1                  (DVFSRC_BASE + 0xA38)
+#define DVFSRC_DDR_QOS2                  (DVFSRC_BASE + 0xA3C)
+#define DVFSRC_DDR_QOS3                  (DVFSRC_BASE + 0xA40)
+#define DVFSRC_DDR_QOS4                  (DVFSRC_BASE + 0xA44)
+#define DVFSRC_HRT_REQ_UNIT              (DVFSRC_BASE + 0xA60)
+#define DVFSRC_HRT_REQUEST               (DVFSRC_BASE + 0xAC4)
+#define DVFSRC_HRT_HIGH_2                (DVFSRC_BASE + 0xAC8)
+#define DVFSRC_HRT_HIGH_1                (DVFSRC_BASE + 0xACC)
+#define DVFSRC_HRT_HIGH                  (DVFSRC_BASE + 0xAD0)
+#define DVFSRC_HRT_LOW_2                 (DVFSRC_BASE + 0xAD4)
+#define DVFSRC_HRT_LOW_1                 (DVFSRC_BASE + 0xAD8)
+#define DVFSRC_HRT_LOW                   (DVFSRC_BASE + 0xADC)
+#define DVFSRC_DDR_ADD_REQUEST           (DVFSRC_BASE + 0xAE0)
+#define DVFSRC_LAST                      (DVFSRC_BASE + 0xAE4)
+#define DVFSRC_LAST_L                    (DVFSRC_BASE + 0xAE8)
+#define DVFSRC_MD_SCENARIO               (DVFSRC_BASE + 0xAEC)
+#define DVFSRC_RECORD_0_0                (DVFSRC_BASE + 0xAF0)
+#define DVFSRC_RECORD_0_1                (DVFSRC_BASE + 0xAF4)
+#define DVFSRC_RECORD_0_2                (DVFSRC_BASE + 0xAF8)
+#define DVFSRC_RECORD_0_3                (DVFSRC_BASE + 0xAFC)
+#define DVFSRC_RECORD_0_4                (DVFSRC_BASE + 0xB00)
+#define DVFSRC_RECORD_0_5                (DVFSRC_BASE + 0xB04)
+#define DVFSRC_RECORD_0_6                (DVFSRC_BASE + 0xB08)
+#define DVFSRC_RECORD_0_7                (DVFSRC_BASE + 0xB0C)
+#define DVFSRC_RECORD_0_L_0              (DVFSRC_BASE + 0xBF0)
+#define DVFSRC_RECORD_0_L_1              (DVFSRC_BASE + 0xBF4)
+#define DVFSRC_RECORD_0_L_2              (DVFSRC_BASE + 0xBF8)
+#define DVFSRC_RECORD_0_L_3              (DVFSRC_BASE + 0xBFC)
+#define DVFSRC_RECORD_0_L_4              (DVFSRC_BASE + 0xC00)
+#define DVFSRC_RECORD_0_L_5              (DVFSRC_BASE + 0xC04)
+#define DVFSRC_RECORD_0_L_6              (DVFSRC_BASE + 0xC08)
+#define DVFSRC_RECORD_0_L_7              (DVFSRC_BASE + 0xC0C)
+#define DVFSRC_EMI_REQUEST8              (DVFSRC_BASE + 0xCF0)
+#define DVFSRC_DDR_REQUEST8              (DVFSRC_BASE + 0xCF4)
+#define DVFSRC_EMI_HRT_2                 (DVFSRC_BASE + 0xCF8)
+#define DVFSRC_EMI_HRT2_2                (DVFSRC_BASE + 0xCFC)
+#define DVFSRC_EMI_HRT3_2                (DVFSRC_BASE + 0xD00)
+#define DVFSRC_EMI_QOS5                  (DVFSRC_BASE + 0xD04)
+#define DVFSRC_EMI_QOS6                  (DVFSRC_BASE + 0xD08)
+#define DVFSRC_DDR_HRT_2                 (DVFSRC_BASE + 0xD0C)
+#define DVFSRC_DDR_HRT2_2                (DVFSRC_BASE + 0xD10)
+#define DVFSRC_DDR_HRT3_2                (DVFSRC_BASE + 0xD14)
+#define DVFSRC_DDR_QOS5                  (DVFSRC_BASE + 0xD18)
+#define DVFSRC_DDR_QOS6                  (DVFSRC_BASE + 0xD1C)
+#define DVFSRC_HRT_HIGH_3                (DVFSRC_BASE + 0xD38)
+#define DVFSRC_HRT_LOW_3                 (DVFSRC_BASE + 0xD3C)
+#define DVFSRC_LEVEL_LABEL_16_17         (DVFSRC_BASE + 0xD4C)
+#define DVFSRC_LEVEL_LABEL_18_19         (DVFSRC_BASE + 0xD50)
+#define DVFSRC_LEVEL_LABEL_20_21         (DVFSRC_BASE + 0xD54)
+#define DVFSRC_LEVEL_LABEL_22_23         (DVFSRC_BASE + 0xD58)
+#define DVFSRC_LEVEL_LABEL_24_25         (DVFSRC_BASE + 0xD5C)
+#define DVFSRC_LEVEL_LABEL_26_27         (DVFSRC_BASE + 0xD60)
+#define DVFSRC_LEVEL_LABEL_28_29         (DVFSRC_BASE + 0xD64)
+#define DVFSRC_LEVEL_LABEL_30_31         (DVFSRC_BASE + 0xD68)
+#define DVFSRC_CURRENT_FORCE             (DVFSRC_BASE + 0xD6C)
+
+#define VCORE_VB_EFUSE	(0x11C105E8)
+
+#endif /* MT_SPM_VCOREFS_H */

plat/mediatek/mt8192/include/platform_def.h

@@ -31,6 +31,7 @@
 #define GPIO_BASE        (IO_PHYS + 0x00005000)
 #define SPM_BASE         (IO_PHYS + 0x00006000)
 #define APMIXEDSYS       (IO_PHYS + 0x0000C000)
+#define DVFSRC_BASE      (IO_PHYS + 0x00012000)
 #define PMIC_WRAP_BASE   (IO_PHYS + 0x00026000)
 #define EMI_BASE         (IO_PHYS + 0x00219000)
 #define EMI_MPU_BASE     (IO_PHYS + 0x00226000)

plat/mediatek/mt8192/plat_sip_calls.c

@@ -6,6 +6,9 @@
 
 #include <common/debug.h>
 #include <common/runtime_svc.h>
+#include <mtk_sip_svc.h>
+#include <mt_spm_vcorefs.h>
+#include "plat_sip_calls.h"
 
 uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
 				u_register_t x1,
@@ -16,8 +19,14 @@ uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
 				void *handle,
 				u_register_t flags)
 {
+	uint64_t ret;
 
 	switch (smc_fid) {
+	case MTK_SIP_VCORE_CONTROL_ARCH32:
+	case MTK_SIP_VCORE_CONTROL_ARCH64:
+		ret = spm_vcorefs_args(x1, x2, x3, (uint64_t *)&x4);
+		SMC_RET2(handle, ret, x4);
+		break;
 	default:
 		ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
 		break;