| /* |
| * Copyright (c) 2020, MediaTek Inc. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <common/debug.h> |
| #include <lib/mmio.h> |
| #include <mt_spm.h> |
| #include <mt_spm_conservation.h> |
| #include <mt_spm_internal.h> |
| #include <mt_spm_rc_internal.h> |
| #include <mt_spm_reg.h> |
| #include <mt_spm_resource_req.h> |
| #include <mt_spm_suspend.h> |
| #include <plat_pm.h> |
| #include <uart.h> |
| |
| #define SPM_SUSPEND_SLEEP_PCM_FLAG \ |
| (SPM_FLAG_DISABLE_INFRA_PDN | \ |
| SPM_FLAG_DISABLE_VCORE_DVS | \ |
| SPM_FLAG_DISABLE_VCORE_DFS | \ |
| SPM_FLAG_KEEP_CSYSPWRACK_HIGH | \ |
| SPM_FLAG_USE_SRCCLKENO2 | \ |
| SPM_FLAG_ENABLE_MD_MUMTAS | \ |
| SPM_FLAG_SRAM_SLEEP_CTRL) |
| |
| #define SPM_SUSPEND_SLEEP_PCM_FLAG1 \ |
| (SPM_FLAG1_DISABLE_MD26M_CK_OFF) |
| |
| #define SPM_SUSPEND_PCM_FLAG \ |
| (SPM_FLAG_DISABLE_VCORE_DVS | \ |
| SPM_FLAG_DISABLE_VCORE_DFS | \ |
| SPM_FLAG_ENABLE_TIA_WORKAROUND | \ |
| SPM_FLAG_ENABLE_MD_MUMTAS | \ |
| SPM_FLAG_SRAM_SLEEP_CTRL) |
| |
| #define SPM_SUSPEND_PCM_FLAG1 \ |
| (SPM_FLAG1_DISABLE_MD26M_CK_OFF) |
| |
| #define __WAKE_SRC_FOR_SUSPEND_COMMON__ \ |
| (R12_PCM_TIMER | \ |
| R12_KP_IRQ_B | \ |
| R12_APWDT_EVENT_B | \ |
| R12_APXGPT1_EVENT_B | \ |
| R12_CONN2AP_SPM_WAKEUP_B | \ |
| R12_EINT_EVENT_B | \ |
| R12_CONN_WDT_IRQ_B | \ |
| R12_CCIF0_EVENT_B | \ |
| R12_SSPM2SPM_WAKEUP_B | \ |
| R12_SCP2SPM_WAKEUP_B | \ |
| R12_ADSP2SPM_WAKEUP_B | \ |
| R12_USBX_CDSC_B | \ |
| R12_USBX_POWERDWN_B | \ |
| R12_SYS_TIMER_EVENT_B | \ |
| R12_EINT_EVENT_SECURE_B | \ |
| R12_CCIF1_EVENT_B | \ |
| R12_SYS_CIRQ_IRQ_B | \ |
| R12_MD2AP_PEER_EVENT_B | \ |
| R12_MD1_WDT_B | \ |
| R12_CLDMA_EVENT_B | \ |
| R12_REG_CPU_WAKEUP | \ |
| R12_APUSYS_WAKE_HOST_B | \ |
| R12_PCIE_BRIDGE_IRQ | \ |
| R12_PCIE_IRQ) |
| |
| #if defined(CFG_MICROTRUST_TEE_SUPPORT) |
| #define WAKE_SRC_FOR_SUSPEND (__WAKE_SRC_FOR_SUSPEND_COMMON__) |
| #else |
| #define WAKE_SRC_FOR_SUSPEND \ |
| (__WAKE_SRC_FOR_SUSPEND_COMMON__ | \ |
| R12_SEJ_EVENT_B) |
| #endif |
| |
| static struct pwr_ctrl suspend_ctrl = { |
| .wake_src = WAKE_SRC_FOR_SUSPEND, |
| .pcm_flags = SPM_SUSPEND_PCM_FLAG | SPM_FLAG_DISABLE_INFRA_PDN, |
| .pcm_flags1 = SPM_SUSPEND_PCM_FLAG1, |
| |
| /* 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_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_apsrc_req = 0, |
| .reg_spm_f26m_req = 0, |
| .reg_spm_infra_req = 0, |
| .reg_spm_vrf18_req = 0, |
| .reg_spm_ddr_en_req = 0, |
| .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_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 = 0x01382202, |
| |
| /* SPM_WAKEUP_EVENT_EXT_MASK */ |
| .reg_ext_wakeup_event_mask = 0xFFFFFFFF, |
| |
| /* Auto-gen End */ |
| }; |
| |
| struct spm_lp_scen __spm_suspend = { |
| .pwrctrl = &suspend_ctrl, |
| }; |
| |
| int mt_spm_suspend_mode_set(int mode) |
| { |
| if (mode == MT_SPM_SUSPEND_SLEEP) { |
| suspend_ctrl.pcm_flags = SPM_SUSPEND_SLEEP_PCM_FLAG; |
| suspend_ctrl.pcm_flags1 = SPM_SUSPEND_SLEEP_PCM_FLAG1; |
| } else { |
| suspend_ctrl.pcm_flags = SPM_SUSPEND_PCM_FLAG; |
| suspend_ctrl.pcm_flags1 = SPM_SUSPEND_PCM_FLAG1; |
| } |
| |
| return 0; |
| } |
| |
| int mt_spm_suspend_enter(int state_id, unsigned int ext_opand, |
| unsigned int resource_req) |
| { |
| /* If FMAudio / ADSP is active, change to sleep suspend mode */ |
| if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { |
| mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SLEEP); |
| } |
| |
| /* Notify MCUPM that device is going suspend flow */ |
| mmio_write_32(MCUPM_MBOX_OFFSET_PDN, MCUPM_POWER_DOWN); |
| |
| /* Notify UART to sleep */ |
| mt_uart_save(); |
| |
| return spm_conservation(state_id, ext_opand, |
| &__spm_suspend, resource_req); |
| } |
| |
| void mt_spm_suspend_resume(int state_id, unsigned int ext_opand, |
| struct wake_status **status) |
| { |
| spm_conservation_finish(state_id, ext_opand, &__spm_suspend, status); |
| |
| /* Notify UART to wakeup */ |
| mt_uart_restore(); |
| |
| /* Notify MCUPM that device leave suspend */ |
| mmio_write_32(MCUPM_MBOX_OFFSET_PDN, 0); |
| |
| /* If FMAudio / ADSP is active, change back to suspend mode */ |
| if ((ext_opand & MT_SPM_EX_OP_SET_SUSPEND_MODE) != 0U) { |
| mt_spm_suspend_mode_set(MT_SPM_SUSPEND_SYSTEM_PDN); |
| } |
| } |
| |
| void mt_spm_suspend_init(void) |
| { |
| spm_conservation_pwrctrl_init(__spm_suspend.pwrctrl); |
| } |