soc/mediatek/mt8192: add spmfw loader

This patch adds support for loading spm firmware from cbfs to spm sram.
Spm needs its own firmware to enable spm suspend/resume function which
turns off several resources such as DRAM/mainpll/26M clk when linux
system suspend.

BUG=b:159079649
TEST=suspend with command `powerd_dbus_suspend` and
     wake up the DUT by powerkey

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Change-Id: I6478b98f426d2f3e0ee919d37d21d909ae8a6371
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46389
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>

5 files changed, 1134 insertions, 31 deletions

diff --git a/src/mainboard/google/asurada/mainboard.c b/src/mainboard/google/asurada/mainboard.c
index e00eb2fde4..0701c678d6 100644
--- a/src/mainboard/google/asurada/mainboard.c
+++ b/src/mainboard/google/asurada/mainboard.c
@@ -6,6 +6,7 @@
 #include <device/mmio.h>
 #include <soc/gpio.h>
 #include <soc/regulator.h>
+#include <soc/spm.h>
 #include <soc/usb.h>
 
 #include "gpio.h"
@@ -107,6 +108,9 @@ static void mainboard_init(struct device *dev)
 	setup_usb_host();
 
 	register_reset_to_bl31();
+
+	if (spm_init())
+		printk(BIOS_ERR, "spm init fail, system suspend may stuck\n");
 }
 
 static void mainboard_enable(struct device *dev)
diff --git a/src/soc/mediatek/mt8192/Kconfig b/src/soc/mediatek/mt8192/Kconfig
index 8425005a86..dbb35f6a98 100644
--- a/src/soc/mediatek/mt8192/Kconfig
+++ b/src/soc/mediatek/mt8192/Kconfig
@@ -45,4 +45,10 @@ config MEMORY_TEST
 	  This option enables memory basic compare test to verify the DRAM read
 	  or write is as expected.
 
+config SPM_FIRMWARE
+	string
+	default "spm_firmware.bin"
+	help
+	  The file name of the MediaTek SPM firmware.
+
 endif
diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc
index 8c7fe0d2a9..3caa1efe17 100644
--- a/src/soc/mediatek/mt8192/Makefile.inc
+++ b/src/soc/mediatek/mt8192/Makefile.inc
@@ -43,12 +43,23 @@ ramstage-y += ../common/mcu.c
 ramstage-y += ../common/mmu_operations.c mmu_operations.c
 ramstage-y += ../common/mtcmos.c mtcmos.c
 ramstage-y += soc.c
+ramstage-y += spm.c
 ramstage-y += ../common/timer.c
 ramstage-y += ../common/uart.c
 ramstage-y += ../common/usb.c usb.c
 
 MT8192_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8192
 
+mcu-firmware-files := \
+	$(CONFIG_SPM_FIRMWARE)
+
+$(foreach fw, $(call strip_quotes,$(mcu-firmware-files)), \
+	  $(eval $(fw)-file := $(MT8192_BLOB_DIR)/$(fw)) \
+	  $(eval $(fw)-type := raw) \
+	  $(eval $(fw)-compression := $(CBFS_COMPRESS_FLAG)) \
+	  $(if $(wildcard $($(fw)-file)), $(eval cbfs-files-y += $(fw)), ) \
+)
+
 DRAM_CBFS := $(CONFIG_CBFS_PREFIX)/dram
 $(DRAM_CBFS)-file := $(MT8192_BLOB_DIR)/dram.elf
 $(DRAM_CBFS)-type := stage
diff --git a/src/soc/mediatek/mt8192/include/soc/spm.h b/src/soc/mediatek/mt8192/include/soc/spm.h
index 73ef798679..e2bd3af20e 100644
--- a/src/soc/mediatek/mt8192/include/soc/spm.h
+++ b/src/soc/mediatek/mt8192/include/soc/spm.h
@@ -4,10 +4,309 @@
 #define SOC_MEDIATEK_MT8192_SPM_H
 
 #include <soc/addressmap.h>
+#include <stdint.h>
 #include <types.h>
 
 /* SPM READ/WRITE CFG */
-#define SPM_PROJECT_CODE	0xb16
+#define SPM_PROJECT_CODE                    0xb16
+#define SPM_REGWR_CFG_KEY                   (SPM_PROJECT_CODE << 16)
+
+/* POWERON_CONFIG_EN (0x10006000+0x000) */
+#define BCLK_CG_EN_LSB                      (1U << 0)       /* 1b */
+
+/* SPM_CLK_CON (0x10006000+0x00C) */
+#define REG_SYSCLK1_SRC_MD2_SRCCLKENA       (1U << 28)      /* 1b */
+
+/* PCM_CON0 (0x10006000+0x018) */
+#define PCM_CK_EN_LSB                       (1U << 2)       /* 1b */
+#define PCM_SW_RESET_LSB                    (1U << 15)      /* 1b */
+
+/* PCM_CON1 (0x10006000+0x01C) */
+#define RG_IM_SLAVE_LSB                     (1U << 0)       /* 1b */
+#define RG_AHBMIF_APBEN_LSB                 (1U << 3)       /* 1b */
+#define RG_PCM_TIMER_EN_LSB                 (1U << 5)       /* 1b */
+#define SPM_EVENT_COUNTER_CLR_LSB           (1U << 6)       /* 1b */
+#define RG_PCM_WDT_WAKE_LSB                 (1U << 9)       /* 1b */
+#define REG_SPM_SRAM_ISOINT_B_LSB           (1U << 11)      /* 1b */
+#define REG_EVENT_LOCK_EN_LSB               (1U << 12)      /* 1b */
+#define REG_MD32_APB_INTERNAL_EN_LSB        (1U << 14)      /* 1b */
+
+/* SPM_WAKEUP_EVENT_MASK (0x10006000+0x0D0) */
+#define SPM_WAKEUP_EVENT_MASK_BIT0          (1U << 0)       /* 1b */
+#define SPM_WAKEUP_EVENT_MASK_CSYSPWREQ_B   (1U << 24)      /* 1b */
+
+/* DDR_EN_DBC_CON1 (0x10006000+0x0EC) */
+#define REG_ALL_DDR_EN_DBC_EN_LSB           (1U << 0)       /* 1b */
+
+/* SPM_DVFS_MISC (0x10006000+0x4AC) */
+#define SPM_DVFS_FORCE_ENABLE_LSB           (1U << 2)       /* 1b */
+#define SPM_DVFSRC_ENABLE_LSB               (1U << 4)       /* 1b */
+
+/* SPM_SW_FLAG_0 (0x10006000+0x600) */
+#define SPM_FLAG_DISABLE_VCORE_DVS          (1U << 3)       /* 1b */
+#define SPM_FLAG_DISABLE_VCORE_DFS          (1U << 4)       /* 1b */
+#define SPM_FLAG_RUN_COMMON_SCENARIO        (1U << 10)      /* 1b */
+
+/* SYS_TIMER_CON (0x10006000+0x98C) */
+#define SYS_TIMER_START_EN_LSB              (1U << 0)       /* 1b */
+
+/* MD32PCM_CFGREG_SW_RSTN (0x10006000+0xA00) */
+#define MD32PCM_CFGREG_SW_RSTN_RESET        (1U << 0)       /* 1b */
+
+/**************************************
+ * Config and Parameter
+ **************************************/
+#define POWER_ON_VAL1_DEF                   0x80015860
+#define SPM_WAKEUP_EVENT_MASK_DEF           0xefffffff
+#define SPM_ACK_CHK_3_SEL_HW_S1             0x00350098
+#define SPM_ACK_CHK_3_HW_S1_CNT             0x1
+#define SPM_ACK_CHK_3_CON_HW_MODE_TRIG      0x800
+#define SPM_ACK_CHK_3_CON_EN                0x110
+#define SPM_ACK_CHK_3_CON_CLR_ALL           0x2
+#define SPM_BUS_PROTECT_MASK_B_DEF          0xffffffff
+#define SPM_BUS_PROTECT2_MASK_B_DEF         0xffffffff
+#define MD32PCM_DMA0_CON_VAL                0x0003820e
+#define MD32PCM_DMA0_START_VAL              0x00008000
+#define MD32PCM_CFGREG_SW_RSTN_RUN          0x1
+#define SPM_DVFS_LEVEL_DEF                  0x00000001
+#define SPM_DVS_DFS_LEVEL_DEF               0x00010001
+#define SPM_RESOURCE_ACK_CON0_DEF           0x00000000
+#define SPM_RESOURCE_ACK_CON1_DEF           0x00000000
+#define SPM_RESOURCE_ACK_CON2_DEF           0xcccc4e4e
+#define SPM_RESOURCE_ACK_CON3_DEF           0x00000000
+#define ARMPLL_CLK_SEL_DEF                  0x3ff
+#define DDR_EN_DBC_CON0_DEF                 0x154
+#define SPM_SYSCLK_SETTLE                   0x60fe
+#define SPM_INIT_DONE_US                    20
+#define PCM_WDT_TIMEOUT                     (30 * 32768)
+#define PCM_TIMER_MAX                       (0xffffffff - PCM_WDT_TIMEOUT)
+
+/**************************************
+ * Define and Declare
+ **************************************/
+/* SPM_IRQ_MASK */
+#define ISRM_TWAM                           (1U << 2)
+#define ISRM_PCM_RETURN                     (1U << 3)
+#define ISRM_RET_IRQ_AUX                    0x3fe00
+#define ISRM_ALL_EXC_TWAM                   (ISRM_RET_IRQ_AUX)
+#define ISRM_ALL                            (ISRM_ALL_EXC_TWAM | ISRM_TWAM)
+
+/* SPM_IRQ_STA */
+#define ISRS_TWAM                           (1U << 2)
+#define ISRS_PCM_RETURN                     (1U << 3)
+#define ISRC_TWAM                           ISRS_TWAM
+#define ISRC_ALL_EXC_TWAM                   ISRS_PCM_RETURN
+#define ISRC_ALL                            (ISRC_ALL_EXC_TWAM | ISRC_TWAM)
+
+/* PCM_PWR_IO_EN */
+#define PCM_PWRIO_EN_R0                     (1U << 0)
+#define PCM_PWRIO_EN_R7                     (1U << 7)
+#define PCM_RF_SYNC_R0                      (1U << 16)
+#define PCM_RF_SYNC_R6                      (1U << 22)
+#define PCM_RF_SYNC_R7                      (1U << 23)
+
+/* SPM_SWINT */
+#define PCM_SW_INT_ALL                      0x3ff
+
+struct pwr_ctrl {
+	u32 pcm_flags;
+	u32 pcm_flags_cust;
+	u32 pcm_flags_cust_set;
+	u32 pcm_flags_cust_clr;
+	u32 pcm_flags1;
+	u32 pcm_flags1_cust;
+	u32 pcm_flags1_cust_set;
+	u32 pcm_flags1_cust_clr;
+	u32 timer_val;
+	u32 timer_val_cust;
+	u32 timer_val_ramp_en;
+	u32 timer_val_ramp_en_sec;
+	u32 wake_src;
+	u32 wake_src_cust;
+	u32 wakelock_timer_val;
+	u8 wdt_disable;
+
+	/* Auto-gen Start */
+
+	/* SPM_CLK_CON */
+	u8 reg_srcclken0_ctl;
+	u8 reg_srcclken1_ctl;
+	u8 reg_spm_lock_infra_dcm;
+	u8 reg_srcclken_mask;
+	u8 reg_md1_c32rm_en;
+	u8 reg_md2_c32rm_en;
+	u8 reg_clksq0_sel_ctrl;
+	u8 reg_clksq1_sel_ctrl;
+	u8 reg_srcclken0_en;
+	u8 reg_srcclken1_en;
+	u32 reg_sysclk0_src_mask_b;
+	u32 reg_sysclk1_src_mask_b;
+
+	/* SPM_AP_STANDBY_CON */
+	u8 reg_wfi_op;
+	u8 reg_wfi_type;
+	u8 reg_mp0_cputop_idle_mask;
+	u8 reg_mp1_cputop_idle_mask;
+	u8 reg_mcusys_idle_mask;
+	u8 reg_md_apsrc_1_sel;
+	u8 reg_md_apsrc_0_sel;
+	u8 reg_conn_apsrc_sel;
+
+	/* SPM_SRC6_MASK */
+	u8 reg_dpmaif_srcclkena_mask_b;
+	u8 reg_dpmaif_infra_req_mask_b;
+	u8 reg_dpmaif_apsrc_req_mask_b;
+	u8 reg_dpmaif_vrf18_req_mask_b;
+	u8 reg_dpmaif_ddr_en_mask_b;
+
+	/* SPM_SRC_REQ */
+	u8 reg_spm_apsrc_req;
+	u8 reg_spm_f26m_req;
+	u8 reg_spm_infra_req;
+	u8 reg_spm_vrf18_req;
+	u8 reg_spm_ddr_en_req;
+	u8 reg_spm_dvfs_req;
+	u8 reg_spm_sw_mailbox_req;
+	u8 reg_spm_sspm_mailbox_req;
+	u8 reg_spm_adsp_mailbox_req;
+	u8 reg_spm_scp_mailbox_req;
+
+	/* SPM_SRC_MASK */
+	u8 reg_md_srcclkena_0_mask_b;
+	u8 reg_md_srcclkena2infra_req_0_mask_b;
+	u8 reg_md_apsrc2infra_req_0_mask_b;
+	u8 reg_md_apsrc_req_0_mask_b;
+	u8 reg_md_vrf18_req_0_mask_b;
+	u8 reg_md_ddr_en_0_mask_b;
+	u8 reg_md_srcclkena_1_mask_b;
+	u8 reg_md_srcclkena2infra_req_1_mask_b;
+	u8 reg_md_apsrc2infra_req_1_mask_b;
+	u8 reg_md_apsrc_req_1_mask_b;
+	u8 reg_md_vrf18_req_1_mask_b;
+	u8 reg_md_ddr_en_1_mask_b;
+	u8 reg_conn_srcclkena_mask_b;
+	u8 reg_conn_srcclkenb_mask_b;
+	u8 reg_conn_infra_req_mask_b;
+	u8 reg_conn_apsrc_req_mask_b;
+	u8 reg_conn_vrf18_req_mask_b;
+	u8 reg_conn_ddr_en_mask_b;
+	u8 reg_conn_vfe28_mask_b;
+	u8 reg_srcclkeni0_srcclkena_mask_b;
+	u8 reg_srcclkeni0_infra_req_mask_b;
+	u8 reg_srcclkeni1_srcclkena_mask_b;
+	u8 reg_srcclkeni1_infra_req_mask_b;
+	u8 reg_srcclkeni2_srcclkena_mask_b;
+	u8 reg_srcclkeni2_infra_req_mask_b;
+	u8 reg_infrasys_apsrc_req_mask_b;
+	u8 reg_infrasys_ddr_en_mask_b;
+	u8 reg_md32_srcclkena_mask_b;
+	u8 reg_md32_infra_req_mask_b;
+	u8 reg_md32_apsrc_req_mask_b;
+	u8 reg_md32_vrf18_req_mask_b;
+	u8 reg_md32_ddr_en_mask_b;
+
+	/* SPM_SRC2_MASK */
+	u8 reg_scp_srcclkena_mask_b;
+	u8 reg_scp_infra_req_mask_b;
+	u8 reg_scp_apsrc_req_mask_b;
+	u8 reg_scp_vrf18_req_mask_b;
+	u8 reg_scp_ddr_en_mask_b;
+	u8 reg_audio_dsp_srcclkena_mask_b;
+	u8 reg_audio_dsp_infra_req_mask_b;
+	u8 reg_audio_dsp_apsrc_req_mask_b;
+	u8 reg_audio_dsp_vrf18_req_mask_b;
+	u8 reg_audio_dsp_ddr_en_mask_b;
+	u8 reg_ufs_srcclkena_mask_b;
+	u8 reg_ufs_infra_req_mask_b;
+	u8 reg_ufs_apsrc_req_mask_b;
+	u8 reg_ufs_vrf18_req_mask_b;
+	u8 reg_ufs_ddr_en_mask_b;
+	u8 reg_disp0_apsrc_req_mask_b;
+	u8 reg_disp0_ddr_en_mask_b;
+	u8 reg_disp1_apsrc_req_mask_b;
+	u8 reg_disp1_ddr_en_mask_b;
+	u8 reg_gce_infra_req_mask_b;
+	u8 reg_gce_apsrc_req_mask_b;
+	u8 reg_gce_vrf18_req_mask_b;
+	u8 reg_gce_ddr_en_mask_b;
+	u8 reg_apu_srcclkena_mask_b;
+	u8 reg_apu_infra_req_mask_b;
+	u8 reg_apu_apsrc_req_mask_b;
+	u8 reg_apu_vrf18_req_mask_b;
+	u8 reg_apu_ddr_en_mask_b;
+	u8 reg_cg_check_srcclkena_mask_b;
+	u8 reg_cg_check_apsrc_req_mask_b;
+	u8 reg_cg_check_vrf18_req_mask_b;
+	u8 reg_cg_check_ddr_en_mask_b;
+
+	/* SPM_SRC3_MASK */
+	u8 reg_dvfsrc_event_trigger_mask_b;
+	u8 reg_sw2spm_int0_mask_b;
+	u8 reg_sw2spm_int1_mask_b;
+	u8 reg_sw2spm_int2_mask_b;
+	u8 reg_sw2spm_int3_mask_b;
+	u8 reg_sc_adsp2spm_wakeup_mask_b;
+	u8 reg_sc_sspm2spm_wakeup_mask_b;
+	u8 reg_sc_scp2spm_wakeup_mask_b;
+	u8 reg_csyspwrreq_mask;
+	u8 reg_spm_srcclkena_reserved_mask_b;
+	u8 reg_spm_infra_req_reserved_mask_b;
+	u8 reg_spm_apsrc_req_reserved_mask_b;
+	u8 reg_spm_vrf18_req_reserved_mask_b;
+	u8 reg_spm_ddr_en_reserved_mask_b;
+	u8 reg_mcupm_srcclkena_mask_b;
+	u8 reg_mcupm_infra_req_mask_b;
+	u8 reg_mcupm_apsrc_req_mask_b;
+	u8 reg_mcupm_vrf18_req_mask_b;
+	u8 reg_mcupm_ddr_en_mask_b;
+	u8 reg_msdc0_srcclkena_mask_b;
+	u8 reg_msdc0_infra_req_mask_b;
+	u8 reg_msdc0_apsrc_req_mask_b;
+	u8 reg_msdc0_vrf18_req_mask_b;
+	u8 reg_msdc0_ddr_en_mask_b;
+	u8 reg_msdc1_srcclkena_mask_b;
+	u8 reg_msdc1_infra_req_mask_b;
+	u8 reg_msdc1_apsrc_req_mask_b;
+	u8 reg_msdc1_vrf18_req_mask_b;
+	u8 reg_msdc1_ddr_en_mask_b;
+
+	/* SPM_SRC4_MASK */
+	u32 ccif_event_mask_b;
+	u8 reg_bak_psri_srcclkena_mask_b;
+	u8 reg_bak_psri_infra_req_mask_b;
+	u8 reg_bak_psri_apsrc_req_mask_b;
+	u8 reg_bak_psri_vrf18_req_mask_b;
+	u8 reg_bak_psri_ddr_en_mask_b;
+	u8 reg_dramc0_md32_infra_req_mask_b;
+	u8 reg_dramc0_md32_vrf18_req_mask_b;
+	u8 reg_dramc1_md32_infra_req_mask_b;
+	u8 reg_dramc1_md32_vrf18_req_mask_b;
+	u8 reg_conn_srcclkenb2pwrap_mask_b;
+	u8 reg_dramc0_md32_wakeup_mask;
+	u8 reg_dramc1_md32_wakeup_mask;
+
+	/* SPM_SRC5_MASK */
+	u32 reg_mcusys_merge_apsrc_req_mask_b;
+	u32 reg_mcusys_merge_ddr_en_mask_b;
+	u8 reg_msdc2_srcclkena_mask_b;
+	u8 reg_msdc2_infra_req_mask_b;
+	u8 reg_msdc2_apsrc_req_mask_b;
+	u8 reg_msdc2_vrf18_req_mask_b;
+	u8 reg_msdc2_ddr_en_mask_b;
+	u8 reg_pcie_srcclkena_mask_b;
+	u8 reg_pcie_infra_req_mask_b;
+	u8 reg_pcie_apsrc_req_mask_b;
+	u8 reg_pcie_vrf18_req_mask_b;
+	u8 reg_pcie_ddr_en_mask_b;
+
+	/* SPM_WAKEUP_EVENT_MASK */
+	u32 reg_wakeup_event_mask;
+
+	/* SPM_WAKEUP_EVENT_EXT_MASK */
+	u32 reg_ext_wakeup_event_mask;
+
+	/* Auto-gen End */
+};
 
 enum {
 	DISP_PWR_STA_MASK	= 0x1 << 20,
@@ -34,14 +333,14 @@ struct mtk_spm_regs {
 	u32 pcm_timer_val;
 	u32 pcm_wdt_val;
 	u32 spm_src6_mask;
-	u32 reserved1[1];
-	u32 spm_sw_rst_con;	/* 0x0040 */
+	u32 reserved0;
+	u32 spm_sw_rst_con;
 	u32 spm_sw_rst_con_set;
 	u32 spm_sw_rst_con_clr;
 	u32 vs1_psr_mask_b;
 	u32 vs2_psr_mask_b;
-	u32 reserved2[12];
-	u32 md32_clk_con;	/* 0x0084 */
+	u32 reserved1[12];
+	u32 md32_clk_con;
 	u32 spm_sram_rsv_con;
 	u32 spm_swint;
 	u32 spm_swint_set;
@@ -77,27 +376,27 @@ struct mtk_spm_regs {
 	u32 pcm_reg6_data;
 	u32 pcm_reg7_data;
 	u32 pcm_reg13_data;
-	u32 src_req_sta_0;
-	u32 src_req_sta_1;
-	u32 src_req_sta_2;
+	u32 src_req_sta0;
+	u32 src_req_sta1;
+	u32 src_req_sta2;
 	u32 pcm_timer_out;
 	u32 pcm_wdt_out;
 	u32 spm_irq_sta;
-	u32 src_req_sta_4;
+	u32 src_req_sta4;
 	u32 md32pcm_wakeup_sta;
 	u32 md32pcm_event_sta;
 	u32 spm_wakeup_sta;
 	u32 spm_wakeup_ext_sta;
 	u32 spm_wakeup_misc;
 	u32 mm_dvfs_halt;
-	u32 reserved3[2];
-	u32 bus_protect_rdy;	/* 0x0150 */
+	u32 reserved2[2];
+	u32 bus_protect_rdy;
 	u32 bus_protect1_rdy;
 	u32 bus_protect2_rdy;
 	u32 bus_protect3_rdy;
 	u32 subsys_idle_sta;
 	u32 pcm_sta;
-	u32 src_req_sta_3;
+	u32 src_req_sta3;
 	u32 pwr_status;
 	u32 pwr_status_2nd;
 	u32 cpu_pwr_status;
@@ -109,15 +408,15 @@ struct mtk_spm_regs {
 	u32 spm_ddren_event_count_sta;
 	u32 md32pcm_sta;
 	u32 md32pcm_pc;
-	u32 reserved4[3];
-	u32 dvfsrc_event_sta;	/* 0x01a4 */
+	u32 reserved3[3];
+	u32 dvfsrc_event_sta;
 	u32 bus_protect4_rdy;
 	u32 bus_protect5_rdy;
 	u32 bus_protect6_rdy;
 	u32 bus_protect7_rdy;
 	u32 bus_protect8_rdy;
-	u32 reserved5[5];
-	u32 spm_twam_last_sta0;	/* 0x01d0 */
+	u32 reserved4[5];
+	u32 spm_twam_last_sta0;
 	u32 spm_twam_last_sta1;
 	u32 spm_twam_last_sta2;
 	u32 spm_twam_last_sta3;
@@ -139,8 +438,8 @@ struct mtk_spm_regs {
 	u32 spm_cpu5_pwr_con;
 	u32 spm_cpu6_pwr_con;
 	u32 spm_cpu7_pwr_con;
-	u32 reserved6[1];
-	u32 armpll_clk_con;	/* 0x022c */
+	u32 reserved5;
+	u32 armpll_clk_con;
 	u32 mcusys_idle_sta;
 	u32 gic_wakeup_sta;
 	u32 cpu_spare_con;
@@ -150,8 +449,8 @@ struct mtk_spm_regs {
 	u32 ext_int_wakeup_req;
 	u32 ext_int_wakeup_req_set;
 	u32 ext_int_wakeup_req_clr;
-	u32 reserved7[3];
-	u32 mp0_cpu0_irq_mask;	/* 0x0260 */
+	u32 reserved6[3];
+	u32 mp0_cpu0_irq_mask;
 	u32 mp0_cpu1_irq_mask;
 	u32 mp0_cpu2_irq_mask;
 	u32 mp0_cpu3_irq_mask;
@@ -169,8 +468,8 @@ struct mtk_spm_regs {
 	u32 mp0_cpu7_wfi_en;
 	u32 root_cputop_addr;
 	u32 root_core_addr;
-	u32 reserved8[10];
-	u32 spm2sw_mailbox_0;	/* 0x02d0 */
+	u32 reserved7[10];
+	u32 spm2sw_mailbox_0;
 	u32 spm2sw_mailbox_1;
 	u32 spm2sw_mailbox_2;
 	u32 spm2sw_mailbox_3;
@@ -227,22 +526,151 @@ struct mtk_spm_regs {
 	u32 debugtop_sram_con;
 	u32 dp_tx_pwr_con;
 	u32 dpmaif_sram_con;
-	u32 dpy_shu2_sram_con;
+	u32 dpy_shu2_con;
 	u32 dramc_mcu2_sram_con;
 	u32 dramc_mcu_sram_con;
 	u32 mcupm_pwr_con;
 	u32 dpy2_pwr_con;
 	u32 peri_pwr_con;
+	u32 reserved8[13];
+	u32 spm_mem_ck_sel;
+	u32 spm_bus_protect_mask_b;
+	u32 spm_bus_protect1_mask_b;
+	u32 spm_bus_protect2_mask_b;
+	u32 spm_bus_protect3_mask_b;
+	u32 spm_bus_protect4_mask_b;
+	u32 spm_emi_bw_mode;
+	u32 ap2md_peer_wakeup;
+	u32 ulposc_con;
+	u32 spm2mm_con;
+	u32 spm_bus_protect5_mask_b;
+	u32 spm2mcupm_con;
+	u32 ap_mdsrc_req;
+	u32 spm2emi_enter_ulpm;
+	u32 spm2md_dvfs_con;
+	u32 md2spm_dvfs_con;
+	u32 spm_bus_protect6_mask_b;
+	u32 spm_bus_protect7_mask_b;
+	u32 spm_bus_protect8_mask_b;
+	u32 spm_pll_con;
+	u32 cpu_dvfs_req;
+	u32 spm_dram_mcu_sw_con0;
+	u32 spm_dram_mcu_sw_con1;
+	u32 spm_dram_mcu_sw_con2;
+	u32 spm_dram_mcu_sw_con3;
+	u32 spm_dram_mcu_sw_con4;
+	u32 spm_dram_mcu_sta_0;
+	u32 spm_dram_mcu_sta_1;
+	u32 spm_dram_mcu_sta_2;
+	u32 spm_dram_mcu_sw_sel_0;
+	u32 relay_dvfs_level;
+	u32 reserved9;
+	u32 dramc_dpy_clk_sw_con_0;
+	u32 dramc_dpy_clk_sw_con_1;
+	u32 dramc_dpy_clk_sw_con_2;
+	u32 dramc_dpy_clk_sw_con_3;
+	u32 dramc_dpy_clk_sw_sel_0;
+	u32 dramc_dpy_clk_sw_sel_1;
+	u32 dramc_dpy_clk_sw_sel_2;
+	u32 dramc_dpy_clk_sw_sel_3;
+	u32 dramc_dpy_clk_spm_con;
+	u32 spm_dvfs_level;
+	u32 spm_cirq_con;
+	u32 spm_dvfs_misc;
+	u32 spm_vs1_vs2_rc_con;
+	u32 rg_module_sw_cg_0_mask_req_0;
+	u32 rg_module_sw_cg_0_mask_req_1;
+	u32 rg_module_sw_cg_0_mask_req_2;
+	u32 rg_module_sw_cg_1_mask_req_0;
+	u32 rg_module_sw_cg_1_mask_req_1;
+	u32 rg_module_sw_cg_1_mask_req_2;
+	u32 rg_module_sw_cg_2_mask_req_0;
+	u32 rg_module_sw_cg_2_mask_req_1;
+	u32 rg_module_sw_cg_2_mask_req_2;
+	u32 rg_module_sw_cg_3_mask_req_0;
+	u32 rg_module_sw_cg_3_mask_req_1;
+	u32 rg_module_sw_cg_3_mask_req_2;
+	u32 pwr_status_mask_req_0;
+	u32 pwr_status_mask_req_1;
+	u32 pwr_status_mask_req_2;
+	u32 spm_cg_check_con;
+	u32 spm_src_rdy_sta;
+	u32 spm_dvs_dfs_level;
+	u32 spm_force_dvfs;
+	u32 reserved10[64];
+	u32 spm_sw_flag_0;
+	u32 spm_sw_debug_0;
+	u32 spm_sw_flag_1;
+	u32 reserved11[8];
+	u32 spm_sw_rsv_7;
+	u32 spm_sw_rsv_8;
+	u32 reserved12[203];
+	u32 spm_ack_chk_con_3;
+	u32 spm_ack_chk_pc_3;
+	u32 spm_ack_chk_sel_3;
+	u32 spm_ack_chk_timer_3;
+	u32 reserved13[7];
+	u32 sys_timer_con;
+	u32 reserved14[28];
+	u32 md32pcm_cfgreg_sw_rstn;
+	u32 reserved15[127];
+	u32 md32pcm_dma0_src;
+	u32 md32pcm_dma0_dst;
+	u32 md32pcm_dma0_wppt;
+	u32 md32pcm_dma0_wpto;
+	u32 md32pcm_dma0_count;
+	u32 md32pcm_dma0_con;
+	u32 md32pcm_dma0_start;
+	u32 reserved16[2];
+	u32 md32pcm_dma0_rlct;
 };
-
-check_member(mtk_spm_regs, md32_clk_con, 0x0084);
-check_member(mtk_spm_regs, bus_protect_rdy, 0x0150);
-check_member(mtk_spm_regs, dvfsrc_event_sta, 0x01a4);
-check_member(mtk_spm_regs, spm_twam_last_sta0, 0x01d0);
-check_member(mtk_spm_regs, mp0_cpu0_irq_mask, 0x0260);
-check_member(mtk_spm_regs, spm2sw_mailbox_0, 0x02d0);
-check_member(mtk_spm_regs, peri_pwr_con, 0x03c8);
+check_member(mtk_spm_regs, poweron_config_set, 0x0);
+check_member(mtk_spm_regs, vs2_psr_mask_b, 0x50);
+check_member(mtk_spm_regs, md32_clk_con, 0x84);
+check_member(mtk_spm_regs, mm_dvfs_halt, 0x144);
+check_member(mtk_spm_regs, bus_protect_rdy, 0x150);
+check_member(mtk_spm_regs, md32pcm_pc, 0x194);
+check_member(mtk_spm_regs, dvfsrc_event_sta, 0x1a4);
+check_member(mtk_spm_regs, bus_protect8_rdy, 0x1b8);
+check_member(mtk_spm_regs, spm_twam_last_sta0, 0x1d0);
+check_member(mtk_spm_regs, ext_int_wakeup_req_clr, 0x250);
+check_member(mtk_spm_regs, mp0_cpu0_irq_mask, 0x260);
+check_member(mtk_spm_regs, root_core_addr, 0x2a4);
+check_member(mtk_spm_regs, spm2sw_mailbox_0, 0x2d0);
+check_member(mtk_spm_regs, peri_pwr_con, 0x3c8);
+check_member(mtk_spm_regs, spm_mem_ck_sel, 0x400);
+check_member(mtk_spm_regs, spm_force_dvfs, 0x4fc);
+check_member(mtk_spm_regs, spm_sw_flag_0, 0x600);
+check_member(mtk_spm_regs, spm_sw_flag_1, 0x608);
+check_member(mtk_spm_regs, spm_sw_rsv_7, 0x62c);
+check_member(mtk_spm_regs, spm_sw_rsv_8, 0x630);
+check_member(mtk_spm_regs, spm_ack_chk_con_3, 0x960);
+check_member(mtk_spm_regs, spm_ack_chk_timer_3, 0x96c);
+check_member(mtk_spm_regs, sys_timer_con, 0x98c);
+check_member(mtk_spm_regs, md32pcm_cfgreg_sw_rstn, 0xa00);
+check_member(mtk_spm_regs, md32pcm_dma0_src, 0xc00);
+check_member(mtk_spm_regs, md32pcm_dma0_dst, 0xc04);
+check_member(mtk_spm_regs, md32pcm_dma0_wppt, 0xc08);
+check_member(mtk_spm_regs, md32pcm_dma0_wpto, 0xc0c);
+check_member(mtk_spm_regs, md32pcm_dma0_count, 0xc10);
+check_member(mtk_spm_regs, md32pcm_dma0_con, 0xc14);
+check_member(mtk_spm_regs, md32pcm_dma0_start, 0xc18);
+check_member(mtk_spm_regs, md32pcm_dma0_rlct, 0xc24);
 
 static struct mtk_spm_regs *const mtk_spm = (void *)SPM_BASE;
 
+struct pcm_desc {
+	u32 pmem_words;
+	u32 total_words;
+	u32 pmem_start;
+	u32 dmem_start;
+};
+
+struct dyna_load_pcm {
+	u8 *buf;		/* binary array */
+	struct pcm_desc desc;
+};
+
+int spm_init(void);
+
 #endif  /* SOC_MEDIATEK_MT8192_SPM_H */
diff --git a/src/soc/mediatek/mt8192/spm.c b/src/soc/mediatek/mt8192/spm.c
new file mode 100644
index 0000000000..f080a11776
--- /dev/null
+++ b/src/soc/mediatek/mt8192/spm.c
@@ -0,0 +1,654 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <assert.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <delay.h>
+#include <device/mmio.h>
+#include <soc/mcu_common.h>
+#include <soc/spm.h>
+#include <soc/symbols.h>
+#include <timer.h>
+
+#define SPM_SYSTEM_BASE_OFFSET	0x40000000
+#define SPMFW_HEADER_SIZE	16
+
+static const struct pwr_ctrl spm_init_ctrl = {
+	/* Auto-gen Start */
+
+	.pcm_flags = SPM_FLAG_DISABLE_VCORE_DVS | SPM_FLAG_DISABLE_VCORE_DFS |
+		     SPM_FLAG_RUN_COMMON_SCENARIO,
+
+	/* 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_REQ */
+	.reg_spm_ddr_en_req = 1,
+
+	/* SPM_SRC_MASK */
+	.reg_md_srcclkena_0_mask_b = 1,
+	.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_conn_srcclkena_mask_b = 1,
+	.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_srcclkeni0_srcclkena_mask_b = 1,
+	.reg_srcclkeni0_infra_req_mask_b = 1,
+	.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,
+
+	/* SPM_SRC3_MASK */
+	.reg_dvfsrc_event_trigger_mask_b = 1,
+	.reg_csyspwrreq_mask = 1,
+	.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_dramc0_md32_infra_req_mask_b = 1,
+	.reg_dramc1_md32_infra_req_mask_b = 1,
+	.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 */
+};
+
+static void spm_set_power_control(const struct pwr_ctrl *pwrctrl)
+{
+	/* Auto-gen Start */
+
+	/* SPM_AP_STANDBY_CON */
+	write32(&mtk_spm->spm_ap_standby_con,
+		((pwrctrl->reg_wfi_op & 0x1) << 0) |
+		((pwrctrl->reg_wfi_type & 0x1) << 1) |
+		((pwrctrl->reg_mp0_cputop_idle_mask & 0x1) << 2) |
+		((pwrctrl->reg_mp1_cputop_idle_mask & 0x1) << 3) |
+		((pwrctrl->reg_mcusys_idle_mask & 0x1) << 4) |
+		((pwrctrl->reg_md_apsrc_1_sel & 0x1) << 25) |
+		((pwrctrl->reg_md_apsrc_0_sel & 0x1) << 26) |
+		((pwrctrl->reg_conn_apsrc_sel & 0x1) << 29));
+
+	/* SPM_SRC6_MASK */
+	write32(&mtk_spm->spm_src6_mask,
+		((pwrctrl->reg_dpmaif_srcclkena_mask_b & 0x1) << 0) |
+		((pwrctrl->reg_dpmaif_infra_req_mask_b & 0x1) << 1) |
+		((pwrctrl->reg_dpmaif_apsrc_req_mask_b & 0x1) << 2) |
+		((pwrctrl->reg_dpmaif_vrf18_req_mask_b & 0x1) << 3) |
+		((pwrctrl->reg_dpmaif_ddr_en_mask_b & 0x1) << 4));
+
+	/* SPM_SRC_REQ */
+	write32(&mtk_spm->spm_src_req,
+		((pwrctrl->reg_spm_apsrc_req & 0x1) << 0) |
+		((pwrctrl->reg_spm_f26m_req & 0x1) << 1) |
+		((pwrctrl->reg_spm_infra_req & 0x1) << 3) |
+		((pwrctrl->reg_spm_vrf18_req & 0x1) << 4) |
+		((pwrctrl->reg_spm_ddr_en_req & 0x1) << 7) |
+		((pwrctrl->reg_spm_dvfs_req & 0x1) << 8) |
+		((pwrctrl->reg_spm_sw_mailbox_req & 0x1) << 9) |
+		((pwrctrl->reg_spm_sspm_mailbox_req & 0x1) << 10) |
+		((pwrctrl->reg_spm_adsp_mailbox_req & 0x1) << 11) |
+		((pwrctrl->reg_spm_scp_mailbox_req & 0x1) << 12));
+
+	/* SPM_SRC_MASK */
+	write32(&mtk_spm->spm_src_mask,
+		((pwrctrl->reg_md_srcclkena_0_mask_b & 0x1) << 0) |
+		((pwrctrl->reg_md_srcclkena2infra_req_0_mask_b & 0x1) << 1) |
+		((pwrctrl->reg_md_apsrc2infra_req_0_mask_b & 0x1) << 2) |
+		((pwrctrl->reg_md_apsrc_req_0_mask_b & 0x1) << 3) |
+		((pwrctrl->reg_md_vrf18_req_0_mask_b & 0x1) << 4) |
+		((pwrctrl->reg_md_ddr_en_0_mask_b & 0x1) << 5) |
+		((pwrctrl->reg_md_srcclkena_1_mask_b & 0x1) << 6) |
+		((pwrctrl->reg_md_srcclkena2infra_req_1_mask_b & 0x1) << 7) |
+		((pwrctrl->reg_md_apsrc2infra_req_1_mask_b & 0x1) << 8) |
+		((pwrctrl->reg_md_apsrc_req_1_mask_b & 0x1) << 9) |
+		((pwrctrl->reg_md_vrf18_req_1_mask_b & 0x1) << 10) |
+		((pwrctrl->reg_md_ddr_en_1_mask_b & 0x1) << 11) |
+		((pwrctrl->reg_conn_srcclkena_mask_b & 0x1) << 12) |
+		((pwrctrl->reg_conn_srcclkenb_mask_b & 0x1) << 13) |
+		((pwrctrl->reg_conn_infra_req_mask_b & 0x1) << 14) |
+		((pwrctrl->reg_conn_apsrc_req_mask_b & 0x1) << 15) |
+		((pwrctrl->reg_conn_vrf18_req_mask_b & 0x1) << 16) |
+		((pwrctrl->reg_conn_ddr_en_mask_b & 0x1) << 17) |
+		((pwrctrl->reg_conn_vfe28_mask_b & 0x1) << 18) |
+		((pwrctrl->reg_srcclkeni0_srcclkena_mask_b & 0x1) << 19) |
+		((pwrctrl->reg_srcclkeni0_infra_req_mask_b & 0x1) << 20) |
+		((pwrctrl->reg_srcclkeni1_srcclkena_mask_b & 0x1) << 21) |
+		((pwrctrl->reg_srcclkeni1_infra_req_mask_b & 0x1) << 22) |
+		((pwrctrl->reg_srcclkeni2_srcclkena_mask_b & 0x1) << 23) |
+		((pwrctrl->reg_srcclkeni2_infra_req_mask_b & 0x1) << 24) |
+		((pwrctrl->reg_infrasys_apsrc_req_mask_b & 0x1) << 25) |
+		((pwrctrl->reg_infrasys_ddr_en_mask_b & 0x1) << 26) |
+		((pwrctrl->reg_md32_srcclkena_mask_b & 0x1) << 27) |
+		((pwrctrl->reg_md32_infra_req_mask_b & 0x1) << 28) |
+		((pwrctrl->reg_md32_apsrc_req_mask_b & 0x1) << 29) |
+		((pwrctrl->reg_md32_vrf18_req_mask_b & 0x1) << 30) |
+		((pwrctrl->reg_md32_ddr_en_mask_b & 0x1) << 31));
+
+	/* SPM_SRC2_MASK */
+	write32(&mtk_spm->spm_src2_mask,
+		((pwrctrl->reg_scp_srcclkena_mask_b & 0x1) << 0) |
+		((pwrctrl->reg_scp_infra_req_mask_b & 0x1) << 1) |
+		((pwrctrl->reg_scp_apsrc_req_mask_b & 0x1) << 2) |
+		((pwrctrl->reg_scp_vrf18_req_mask_b & 0x1) << 3) |
+		((pwrctrl->reg_scp_ddr_en_mask_b & 0x1) << 4) |
+		((pwrctrl->reg_audio_dsp_srcclkena_mask_b & 0x1) << 5) |
+		((pwrctrl->reg_audio_dsp_infra_req_mask_b & 0x1) << 6) |
+		((pwrctrl->reg_audio_dsp_apsrc_req_mask_b & 0x1) << 7) |
+		((pwrctrl->reg_audio_dsp_vrf18_req_mask_b & 0x1) << 8) |
+		((pwrctrl->reg_audio_dsp_ddr_en_mask_b & 0x1) << 9) |
+		((pwrctrl->reg_ufs_srcclkena_mask_b & 0x1) << 10) |
+		((pwrctrl->reg_ufs_infra_req_mask_b & 0x1) << 11) |
+		((pwrctrl->reg_ufs_apsrc_req_mask_b & 0x1) << 12) |
+		((pwrctrl->reg_ufs_vrf18_req_mask_b & 0x1) << 13) |
+		((pwrctrl->reg_ufs_ddr_en_mask_b & 0x1) << 14) |
+		((pwrctrl->reg_disp0_apsrc_req_mask_b & 0x1) << 15) |
+		((pwrctrl->reg_disp0_ddr_en_mask_b & 0x1) << 16) |
+		((pwrctrl->reg_disp1_apsrc_req_mask_b & 0x1) << 17) |
+		((pwrctrl->reg_disp1_ddr_en_mask_b & 0x1) << 18) |
+		((pwrctrl->reg_gce_infra_req_mask_b & 0x1) << 19) |
+		((pwrctrl->reg_gce_apsrc_req_mask_b & 0x1) << 20) |
+		((pwrctrl->reg_gce_vrf18_req_mask_b & 0x1) << 21) |
+		((pwrctrl->reg_gce_ddr_en_mask_b & 0x1) << 22) |
+		((pwrctrl->reg_apu_srcclkena_mask_b & 0x1) << 23) |
+		((pwrctrl->reg_apu_infra_req_mask_b & 0x1) << 24) |
+		((pwrctrl->reg_apu_apsrc_req_mask_b & 0x1) << 25) |
+		((pwrctrl->reg_apu_vrf18_req_mask_b & 0x1) << 26) |
+		((pwrctrl->reg_apu_ddr_en_mask_b & 0x1) << 27) |
+		((pwrctrl->reg_cg_check_srcclkena_mask_b & 0x1) << 28) |
+		((pwrctrl->reg_cg_check_apsrc_req_mask_b & 0x1) << 29) |
+		((pwrctrl->reg_cg_check_vrf18_req_mask_b & 0x1) << 30) |
+		((pwrctrl->reg_cg_check_ddr_en_mask_b & 0x1) << 31));
+
+	/* SPM_SRC3_MASK */
+	write32(&mtk_spm->spm_src3_mask,
+		((pwrctrl->reg_dvfsrc_event_trigger_mask_b & 0x1) << 0) |
+		((pwrctrl->reg_sw2spm_int0_mask_b & 0x1) << 1) |
+		((pwrctrl->reg_sw2spm_int1_mask_b & 0x1) << 2) |
+		((pwrctrl->reg_sw2spm_int2_mask_b & 0x1) << 3) |
+		((pwrctrl->reg_sw2spm_int3_mask_b & 0x1) << 4) |
+		((pwrctrl->reg_sc_adsp2spm_wakeup_mask_b & 0x1) << 5) |
+		((pwrctrl->reg_sc_sspm2spm_wakeup_mask_b & 0xf) << 6) |
+		((pwrctrl->reg_sc_scp2spm_wakeup_mask_b & 0x1) << 10) |
+		((pwrctrl->reg_csyspwrreq_mask & 0x1) << 11) |
+		((pwrctrl->reg_spm_srcclkena_reserved_mask_b & 0x1) << 12) |
+		((pwrctrl->reg_spm_infra_req_reserved_mask_b & 0x1) << 13) |
+		((pwrctrl->reg_spm_apsrc_req_reserved_mask_b & 0x1) << 14) |
+		((pwrctrl->reg_spm_vrf18_req_reserved_mask_b & 0x1) << 15) |
+		((pwrctrl->reg_spm_ddr_en_reserved_mask_b & 0x1) << 16) |
+		((pwrctrl->reg_mcupm_srcclkena_mask_b & 0x1) << 17) |
+		((pwrctrl->reg_mcupm_infra_req_mask_b & 0x1) << 18) |
+		((pwrctrl->reg_mcupm_apsrc_req_mask_b & 0x1) << 19) |
+		((pwrctrl->reg_mcupm_vrf18_req_mask_b & 0x1) << 20) |
+		((pwrctrl->reg_mcupm_ddr_en_mask_b & 0x1) << 21) |
+		((pwrctrl->reg_msdc0_srcclkena_mask_b & 0x1) << 22) |
+		((pwrctrl->reg_msdc0_infra_req_mask_b & 0x1) << 23) |
+		((pwrctrl->reg_msdc0_apsrc_req_mask_b & 0x1) << 24) |
+		((pwrctrl->reg_msdc0_vrf18_req_mask_b & 0x1) << 25) |
+		((pwrctrl->reg_msdc0_ddr_en_mask_b & 0x1) << 26) |
+		((pwrctrl->reg_msdc1_srcclkena_mask_b & 0x1) << 27) |
+		((pwrctrl->reg_msdc1_infra_req_mask_b & 0x1) << 28) |
+		((pwrctrl->reg_msdc1_apsrc_req_mask_b & 0x1) << 29) |
+		((pwrctrl->reg_msdc1_vrf18_req_mask_b & 0x1) << 30) |
+		((pwrctrl->reg_msdc1_ddr_en_mask_b & 0x1) << 31));
+
+	/* SPM_SRC4_MASK */
+	write32(&mtk_spm->spm_src4_mask,
+		((pwrctrl->ccif_event_mask_b & 0xffff) << 0) |
+		((pwrctrl->reg_bak_psri_srcclkena_mask_b & 0x1) << 16) |
+		((pwrctrl->reg_bak_psri_infra_req_mask_b & 0x1) << 17) |
+		((pwrctrl->reg_bak_psri_apsrc_req_mask_b & 0x1) << 18) |
+		((pwrctrl->reg_bak_psri_vrf18_req_mask_b & 0x1) << 19) |
+		((pwrctrl->reg_bak_psri_ddr_en_mask_b & 0x1) << 20) |
+		((pwrctrl->reg_dramc0_md32_infra_req_mask_b & 0x1) << 21) |
+		((pwrctrl->reg_dramc0_md32_vrf18_req_mask_b & 0x1) << 22) |
+		((pwrctrl->reg_dramc1_md32_infra_req_mask_b & 0x1) << 23) |
+		((pwrctrl->reg_dramc1_md32_vrf18_req_mask_b & 0x1) << 24) |
+		((pwrctrl->reg_conn_srcclkenb2pwrap_mask_b & 0x1) << 25) |
+		((pwrctrl->reg_dramc0_md32_wakeup_mask & 0x1) << 26) |
+		((pwrctrl->reg_dramc1_md32_wakeup_mask & 0x1) << 27));
+
+	/* SPM_SRC5_MASK */
+	write32(&mtk_spm->spm_src5_mask,
+		((pwrctrl->reg_mcusys_merge_apsrc_req_mask_b & 0x1ff) << 0) |
+		((pwrctrl->reg_mcusys_merge_ddr_en_mask_b & 0x1ff) << 9) |
+		((pwrctrl->reg_msdc2_srcclkena_mask_b & 0x1) << 18) |
+		((pwrctrl->reg_msdc2_infra_req_mask_b & 0x1) << 19) |
+		((pwrctrl->reg_msdc2_apsrc_req_mask_b & 0x1) << 20) |
+		((pwrctrl->reg_msdc2_vrf18_req_mask_b & 0x1) << 21) |
+		((pwrctrl->reg_msdc2_ddr_en_mask_b & 0x1) << 22) |
+		((pwrctrl->reg_pcie_srcclkena_mask_b & 0x1) << 23) |
+		((pwrctrl->reg_pcie_infra_req_mask_b & 0x1) << 24) |
+		((pwrctrl->reg_pcie_apsrc_req_mask_b & 0x1) << 25) |
+		((pwrctrl->reg_pcie_vrf18_req_mask_b & 0x1) << 26) |
+		((pwrctrl->reg_pcie_ddr_en_mask_b & 0x1) << 27));
+
+	/* SPM_WAKEUP_EVENT_MASK */
+	write32(&mtk_spm->spm_wakeup_event_mask,
+		((pwrctrl->reg_wakeup_event_mask & 0xffffffff) << 0));
+
+	/* SPM_WAKEUP_EVENT_EXT_MASK */
+	write32(&mtk_spm->spm_wakeup_event_ext_mask,
+		((pwrctrl->reg_ext_wakeup_event_mask & 0xffffffff) << 0));
+
+	/* Auto-gen End */
+}
+
+static void spm_register_init(void)
+{
+	/* Enable register control */
+	write32(&mtk_spm->poweron_config_set,
+		SPM_REGWR_CFG_KEY | BCLK_CG_EN_LSB);
+
+	/* Init power control register */
+	write32(&mtk_spm->spm_power_on_val1, POWER_ON_VAL1_DEF);
+	write32(&mtk_spm->pcm_pwr_io_en, 0);
+
+	/* Reset PCM */
+	write32(&mtk_spm->pcm_con0,
+		SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB | PCM_SW_RESET_LSB);
+	write32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB);
+	write32(&mtk_spm->pcm_con1,
+		SPM_REGWR_CFG_KEY | REG_EVENT_LOCK_EN_LSB |
+		REG_SPM_SRAM_ISOINT_B_LSB | RG_AHBMIF_APBEN_LSB |
+		REG_MD32_APB_INTERNAL_EN_LSB);
+
+	/* Initial SPM CLK control register */
+	setbits32(&mtk_spm->spm_clk_con, REG_SYSCLK1_SRC_MD2_SRCCLKENA);
+
+	/* Clean wakeup event raw status */
+	write32(&mtk_spm->spm_wakeup_event_mask, SPM_WAKEUP_EVENT_MASK_DEF);
+
+	/* Clean ISR status */
+	write32(&mtk_spm->spm_irq_mask, ISRM_ALL);
+	write32(&mtk_spm->spm_irq_sta, ISRC_ALL);
+	write32(&mtk_spm->spm_swint_clr, PCM_SW_INT_ALL);
+
+	/* Init r7 with POWER_ON_VAL1 */
+	write32(&mtk_spm->pcm_reg_data_ini,
+		read32(&mtk_spm->spm_power_on_val1));
+	write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R7);
+	write32(&mtk_spm->pcm_pwr_io_en, 0);
+
+	/* DDR EN de-bounce length to 5us */
+	write32(&mtk_spm->ddr_en_dbc_con0, DDR_EN_DBC_CON0_DEF);
+	write32(&mtk_spm->ddr_en_dbc_con1, REG_ALL_DDR_EN_DBC_EN_LSB);
+
+	/* Configure ARMPLL Control Mode for MCDI */
+	write32(&mtk_spm->armpll_clk_sel, ARMPLL_CLK_SEL_DEF);
+
+	/* Init for SPM Resource ACK */
+	write32(&mtk_spm->spm_resource_ack_con0, SPM_RESOURCE_ACK_CON0_DEF);
+	write32(&mtk_spm->spm_resource_ack_con1, SPM_RESOURCE_ACK_CON1_DEF);
+	write32(&mtk_spm->spm_resource_ack_con2, SPM_RESOURCE_ACK_CON2_DEF);
+	write32(&mtk_spm->spm_resource_ack_con3, SPM_RESOURCE_ACK_CON3_DEF);
+
+	/* Init VCORE DVFS Status */
+	clrsetbits32(&mtk_spm->spm_dvfs_misc,
+		     SPM_DVFS_FORCE_ENABLE_LSB, SPM_DVFSRC_ENABLE_LSB);
+	write32(&mtk_spm->spm_dvfs_level, SPM_DVFS_LEVEL_DEF);
+	write32(&mtk_spm->spm_dvs_dfs_level, SPM_DVS_DFS_LEVEL_DEF);
+
+	write32(&mtk_spm->spm_ack_chk_sel_3, SPM_ACK_CHK_3_SEL_HW_S1);
+	write32(&mtk_spm->spm_ack_chk_timer_3, SPM_ACK_CHK_3_HW_S1_CNT);
+
+	/* Apm hw s1 state monitor pause */
+	clrsetbits32(&mtk_spm->spm_ack_chk_con_3,
+		     SPM_ACK_CHK_3_CON_EN,
+		     SPM_ACK_CHK_3_CON_HW_MODE_TRIG |
+		     SPM_ACK_CHK_3_CON_CLR_ALL);
+}
+
+static void spm_set_sysclk_settle(void)
+{
+	write32(&mtk_spm->spm_clk_settle, SPM_SYSCLK_SETTLE);
+}
+
+static void spm_code_swapping(void)
+{
+	u32 mask;
+
+	mask = read32(&mtk_spm->spm_wakeup_event_mask);
+	write32(&mtk_spm->spm_wakeup_event_mask,
+		mask & ~SPM_WAKEUP_EVENT_MASK_BIT0);
+	write32(&mtk_spm->spm_cpu_wakeup_event, 1);
+	write32(&mtk_spm->spm_cpu_wakeup_event, 0);
+	write32(&mtk_spm->spm_wakeup_event_mask, mask);
+}
+
+static void spm_reset_and_init_pcm(void)
+{
+	bool first_load_fw = true;
+
+	/* Check the SPM FW is run or not */
+	if (read32(&mtk_spm->md32pcm_cfgreg_sw_rstn) &
+	    MD32PCM_CFGREG_SW_RSTN_RUN)
+		first_load_fw = false;
+
+	if (!first_load_fw) {
+		spm_code_swapping();
+		/* Backup PCM r0 -> SPM_POWER_ON_VAL0 before reset PCM */
+		write32(&mtk_spm->spm_power_on_val0,
+			read32(&mtk_spm->pcm_reg0_data));
+	}
+
+	/* Disable r0 and r7 to control power */
+	write32(&mtk_spm->pcm_pwr_io_en, 0);
+
+	/* Disable pcm timer after leaving FW */
+	clrsetbits32(&mtk_spm->pcm_con1,
+		     RG_PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY);
+
+	/* Reset PCM */
+	write32(&mtk_spm->pcm_con0,
+		SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB | PCM_SW_RESET_LSB);
+	write32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB);
+
+	/* Init PCM_CON1 (disable PCM timer but keep PCM WDT setting) */
+	clrsetbits32(&mtk_spm->pcm_con1, ~RG_PCM_WDT_WAKE_LSB,
+		     SPM_REGWR_CFG_KEY | REG_EVENT_LOCK_EN_LSB |
+		     REG_SPM_SRAM_ISOINT_B_LSB | RG_AHBMIF_APBEN_LSB |
+		     REG_MD32_APB_INTERNAL_EN_LSB);
+}
+
+static void spm_kick_im_to_fetch(const struct dyna_load_pcm *pcm)
+{
+	uintptr_t ptr;
+	u32 dmem_words;
+	u32 pmem_words;
+	u32 total_words;
+	u32 pmem_start;
+	u32 dmem_start;
+
+	ptr = (uintptr_t)pcm->buf + SPM_SYSTEM_BASE_OFFSET;
+	pmem_words = pcm->desc.pmem_words;
+	total_words = pcm->desc.total_words;
+	dmem_words = total_words - pmem_words;
+	pmem_start = pcm->desc.pmem_start;
+	dmem_start = pcm->desc.dmem_start;
+
+	printk(BIOS_DEBUG, "%s: ptr = %#lx, pmem/dmem words = %#x/%#x\n",
+	       __func__, (long)ptr, pmem_words, dmem_words);
+
+	/* DMA needs 16-byte aligned source data. */
+	assert(ptr % 16 == 0);
+	/* Program/Data must also be 16-byte (4-word) aligned. */
+	assert(pmem_words % 4 == 0);
+	assert(dmem_words % 4 == 0);
+
+	write32(&mtk_spm->md32pcm_dma0_src, ptr);
+	write32(&mtk_spm->md32pcm_dma0_dst, pmem_start);
+	write32(&mtk_spm->md32pcm_dma0_wppt, pmem_words);
+	write32(&mtk_spm->md32pcm_dma0_wpto, dmem_start);
+	write32(&mtk_spm->md32pcm_dma0_count, total_words);
+	write32(&mtk_spm->md32pcm_dma0_con, MD32PCM_DMA0_CON_VAL);
+	write32(&mtk_spm->md32pcm_dma0_start, MD32PCM_DMA0_START_VAL);
+
+	setbits32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB);
+}
+
+static void spm_init_pcm_register(void)
+{
+	/* Init r0 with POWER_ON_VAL0 */
+	write32(&mtk_spm->pcm_reg_data_ini,
+		read32(&mtk_spm->spm_power_on_val0));
+	write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R0);
+	write32(&mtk_spm->pcm_pwr_io_en, 0);
+
+	/* Init r7 with POWER_ON_VAL1 */
+	write32(&mtk_spm->pcm_reg_data_ini,
+		read32(&mtk_spm->spm_power_on_val1));
+	write32(&mtk_spm->pcm_pwr_io_en, PCM_RF_SYNC_R7);
+	write32(&mtk_spm->pcm_pwr_io_en, 0);
+}
+
+static void spm_parse_firmware(struct mtk_mcu *mcu)
+{
+	size_t file_size, copy_size;
+	int offset;
+	u16 firmware_size;
+
+	struct dyna_load_pcm *pcm = (struct dyna_load_pcm *)mcu->priv;
+	file_size = mcu->run_size;
+
+	/*
+	 * spmfw layout:
+	 *   u16 firmware_size
+	 *   u32 binary[firmware_size]
+	 *   struct pcm_desc descriptor
+	 *   char *version
+	 */
+
+	/* Firmware size */
+	offset = 0;
+	copy_size = sizeof(firmware_size);
+	memcpy(&firmware_size, mcu->load_buffer + offset, copy_size);
+	printk(BIOS_DEBUG, "SPM: binary array size = %#x\n", firmware_size);
+
+	/* Binary */
+	offset = SPMFW_HEADER_SIZE; /* binary start offset */
+	copy_size = firmware_size * sizeof(u32);
+	assert(offset < file_size);
+	pcm->buf = (u8 *)(mcu->load_buffer + offset);
+
+	/* Descriptor */
+	offset += copy_size;
+	assert(offset < file_size);
+	copy_size = sizeof(pcm->desc);
+	memcpy(&pcm->desc, mcu->load_buffer + offset, copy_size);
+
+	/* Firmware size and total words need to be the same */
+	assert(firmware_size == pcm->desc.total_words);
+
+	/* Version */
+	offset += copy_size;
+	assert(offset < file_size);
+	printk(BIOS_INFO, "SPM: spmfw (version %s)\n", (u8 *)mcu->load_buffer + offset);
+}
+
+static void spm_set_wakeup_event(const struct pwr_ctrl *pwrctrl)
+{
+	u32 val, mask;
+
+	/* Toggle event counter clear */
+	setbits32(&mtk_spm->pcm_con1,
+		  SPM_REGWR_CFG_KEY | SPM_EVENT_COUNTER_CLR_LSB);
+
+	/* Toggle for reset SYS TIMER start point */
+	setbits32(&mtk_spm->sys_timer_con, SYS_TIMER_START_EN_LSB);
+
+	if (pwrctrl->timer_val_cust == 0)
+		val = pwrctrl->timer_val ? pwrctrl->timer_val : PCM_TIMER_MAX;
+	else
+		val = pwrctrl->timer_val_cust;
+
+	write32(&mtk_spm->pcm_timer_val, val);
+
+	/* Disable pcm timer */
+	clrsetbits32(&mtk_spm->pcm_con1,
+		     RG_PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY);
+
+	/* Unmask AP wakeup source */
+	if (pwrctrl->wake_src_cust == 0)
+		mask = pwrctrl->wake_src;
+	else
+		mask = pwrctrl->wake_src_cust;
+
+	if (pwrctrl->reg_csyspwrreq_mask)
+		mask &= ~SPM_WAKEUP_EVENT_MASK_CSYSPWREQ_B;
+
+	write32(&mtk_spm->spm_wakeup_event_mask, ~mask);
+
+	/* Unmask SPM ISR (keep TWAM setting) */
+	setbits32(&mtk_spm->spm_irq_mask, ISRM_RET_IRQ_AUX);
+
+	/* Toggle event counter clear */
+	clrsetbits32(&mtk_spm->pcm_con1,
+		     SPM_EVENT_COUNTER_CLR_LSB, SPM_REGWR_CFG_KEY);
+
+	/* Toggle for reset SYS TIMER start point */
+	clrbits32(&mtk_spm->sys_timer_con, SYS_TIMER_START_EN_LSB);
+}
+
+static void spm_set_pcm_flags(const struct pwr_ctrl *pwrctrl)
+{
+	u32 pcm_flags = pwrctrl->pcm_flags, pcm_flags1 = pwrctrl->pcm_flags1;
+
+	/* Set PCM flags and data */
+	if (pwrctrl->pcm_flags_cust_clr != 0)
+		pcm_flags &= ~pwrctrl->pcm_flags_cust_clr;
+	if (pwrctrl->pcm_flags_cust_set != 0)
+		pcm_flags |= pwrctrl->pcm_flags_cust_set;
+	if (pwrctrl->pcm_flags1_cust_clr != 0)
+		pcm_flags1 &= ~pwrctrl->pcm_flags1_cust_clr;
+	if (pwrctrl->pcm_flags1_cust_set != 0)
+		pcm_flags1 |= pwrctrl->pcm_flags1_cust_set;
+
+	write32(&mtk_spm->spm_sw_flag_0, pcm_flags);
+	write32(&mtk_spm->spm_sw_flag_1, pcm_flags1);
+	write32(&mtk_spm->spm_sw_rsv_7, pcm_flags);
+	write32(&mtk_spm->spm_sw_rsv_8, pcm_flags1);
+}
+
+static void spm_kick_pcm_to_run(const struct pwr_ctrl *pwrctrl)
+{
+	/* Waiting for loading SPMFW done*/
+	while (read32(&mtk_spm->md32pcm_dma0_rlct) != 0x0)
+		;
+
+	/* Init register to match PCM expectation */
+	write32(&mtk_spm->spm_bus_protect_mask_b, SPM_BUS_PROTECT_MASK_B_DEF);
+	write32(&mtk_spm->spm_bus_protect2_mask_b,
+		SPM_BUS_PROTECT2_MASK_B_DEF);
+	write32(&mtk_spm->pcm_reg_data_ini, 0);
+
+	spm_set_pcm_flags(pwrctrl);
+
+	/* Kick PCM to run (only toggle PCM_KICK) */
+	setbits32(&mtk_spm->pcm_con0, SPM_REGWR_CFG_KEY | PCM_CK_EN_LSB);
+
+	/* Reset md32pcm */
+	setbits32(&mtk_spm->md32pcm_cfgreg_sw_rstn,
+		  MD32PCM_CFGREG_SW_RSTN_RESET);
+
+	/* Waiting for SPM init done */
+	udelay(SPM_INIT_DONE_US);
+}
+
+static void reset_spm(struct mtk_mcu *mcu)
+{
+	struct dyna_load_pcm *pcm = (struct dyna_load_pcm *)mcu->priv;
+
+	spm_parse_firmware(mcu);
+	spm_reset_and_init_pcm();
+	spm_kick_im_to_fetch(pcm);
+	spm_init_pcm_register();
+	spm_set_wakeup_event(&spm_init_ctrl);
+	spm_kick_pcm_to_run(&spm_init_ctrl);
+}
+
+static struct mtk_mcu spm = {
+	.firmware_name = CONFIG_SPM_FIRMWARE,
+	.reset = reset_spm,
+};
+
+int spm_init(void)
+{
+	struct dyna_load_pcm pcm;
+	struct stopwatch sw;
+
+	stopwatch_init(&sw);
+
+	spm_register_init();
+	spm_set_power_control(&spm_init_ctrl);
+	spm_set_sysclk_settle();
+
+	spm.load_buffer = _dram_dma;
+	spm.buffer_size = REGION_SIZE(dram_dma);
+	spm.priv = (void *)&pcm;
+
+	if (mtk_init_mcu(&spm)) {
+		printk(BIOS_ERR, "SPM: %s: failed in mtk_init_mcu\n", __func__);
+		return -1;
+	}
+
+	printk(BIOS_INFO, "SPM: %s done in %ld msecs, spm pc = %#x\n",
+	       __func__, stopwatch_duration_msecs(&sw),
+	       read32(&mtk_spm->md32pcm_pc));
+
+	return 0;
+}