| /* |
| * Copyright (c) 2021, MediaTek Inc. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <stddef.h> |
| |
| #include <assert.h> |
| #include <common/debug.h> |
| #include <lib/mmio.h> |
| |
| #include <mt_spm.h> |
| #include <mt_spm_internal.h> |
| #include <mt_spm_pmic_wrap.h> |
| #include <mt_spm_reg.h> |
| #include <mt_spm_resource_req.h> |
| #include <platform_def.h> |
| #include <plat_pm.h> |
| |
| /************************************** |
| * Define and Declare |
| **************************************/ |
| #define ROOT_CORE_ADDR_OFFSET 0x20000000 |
| #define SPM_WAKEUP_EVENT_MASK_CLEAN_MASK 0xefffffff |
| #define SPM_INIT_DONE_US 20 |
| |
| static unsigned int mt_spm_bblpm_cnt; |
| |
| const char *wakeup_src_str[32] = { |
| [0] = "R12_PCM_TIMER", |
| [1] = "R12_RESERVED_DEBUG_B", |
| [2] = "R12_KP_IRQ_B", |
| [3] = "R12_APWDT_EVENT_B", |
| [4] = "R12_APXGPT1_EVENT_B", |
| [5] = "R12_MSDC_WAKEUP_B", |
| [6] = "R12_EINT_EVENT_B", |
| [7] = "R12_IRRX_WAKEUP_B", |
| [8] = "R12_SBD_INTR_WAKEUP_B", |
| [9] = "R12_RESERVE0", |
| [10] = "R12_SC_SSPM2SPM_WAKEUP_B", |
| [11] = "R12_SC_SCP2SPM_WAKEUP_B", |
| [12] = "R12_SC_ADSP2SPM_WAKEUP_B", |
| [13] = "R12_WDT_WAKEUP_B", |
| [14] = "R12_USB_U2_B", |
| [15] = "R12_USB_TOP_B", |
| [16] = "R12_SYS_TIMER_EVENT_B", |
| [17] = "R12_EINT_EVENT_SECURE_B", |
| [18] = "R12_ECE_INT_HDMI_B", |
| [19] = "R12_RESERVE1", |
| [20] = "R12_AFE_IRQ_MCU_B", |
| [21] = "R12_THERM_CTRL_EVENT_B", |
| [22] = "R12_SCP_CIRQ_IRQ_B", |
| [23] = "R12_NNA2INFRA_WAKEUP_B", |
| [24] = "R12_CSYSPWREQ_B", |
| [25] = "R12_RESERVE2", |
| [26] = "R12_PCIE_WAKEUPEVENT_B", |
| [27] = "R12_SEJ_EVENT_B", |
| [28] = "R12_SPM_CPU_WAKEUPEVENT_B", |
| [29] = "R12_APUSYS", |
| [30] = "R12_RESERVE3", |
| [31] = "R12_RESERVE4", |
| }; |
| |
| /************************************** |
| * Function and API |
| **************************************/ |
| |
| wake_reason_t __spm_output_wake_reason(int state_id, |
| const struct wake_status *wakesta) |
| { |
| uint32_t i, bk_vtcxo_dur, spm_26m_off_pct = 0U; |
| wake_reason_t wr = WR_UNKNOWN; |
| |
| if (wakesta == NULL) { |
| return WR_UNKNOWN; |
| } |
| |
| if (wakesta->abort != 0U) { |
| ERROR("spmfw flow is aborted: 0x%x, timer_out = %u\n", |
| wakesta->abort, wakesta->timer_out); |
| } else { |
| for (i = 0U; i < 32U; i++) { |
| if ((wakesta->r12 & (1U << i)) != 0U) { |
| INFO("wake up by %s, timer_out = %u\n", |
| wakeup_src_str[i], wakesta->timer_out); |
| wr = WR_WAKE_SRC; |
| break; |
| } |
| } |
| } |
| |
| INFO("r12 = 0x%x, r12_ext = 0x%x, r13 = 0x%x, debug_flag = 0x%x 0x%x\n", |
| wakesta->r12, wakesta->r12_ext, wakesta->r13, wakesta->debug_flag, |
| wakesta->debug_flag1); |
| INFO("raw_sta = 0x%x 0x%x 0x%x, idle_sta = 0x%x, cg_check_sta = 0x%x\n", |
| wakesta->raw_sta, wakesta->md32pcm_wakeup_sta, |
| wakesta->md32pcm_event_sta, wakesta->idle_sta, |
| wakesta->cg_check_sta); |
| INFO("req_sta = 0x%x 0x%x 0x%x 0x%x 0x%x, isr = 0x%x\n", |
| wakesta->req_sta0, wakesta->req_sta1, wakesta->req_sta2, |
| wakesta->req_sta3, wakesta->req_sta4, wakesta->isr); |
| INFO("rt_req_sta0 = 0x%x, rt_req_sta1 = 0x%x, rt_req_sta2 = 0x%x\n", |
| wakesta->rt_req_sta0, wakesta->rt_req_sta1, wakesta->rt_req_sta2); |
| INFO("rt_req_sta3 = 0x%x, dram_sw_con_3 = 0x%x, raw_ext_sta = 0x%x\n", |
| wakesta->rt_req_sta3, wakesta->rt_req_sta4, wakesta->raw_ext_sta); |
| INFO("wake_misc = 0x%x, pcm_flag = 0x%x 0x%x 0x%x 0x%x, req = 0x%x\n", |
| wakesta->wake_misc, wakesta->sw_flag0, wakesta->sw_flag1, |
| wakesta->b_sw_flag0, wakesta->b_sw_flag1, wakesta->src_req); |
| INFO("clk_settle = 0x%x, wlk_cntcv_l = 0x%x, wlk_cntcv_h = 0x%x\n", |
| wakesta->clk_settle, mmio_read_32(SYS_TIMER_VALUE_L), |
| mmio_read_32(SYS_TIMER_VALUE_H)); |
| |
| if (wakesta->timer_out != 0U) { |
| bk_vtcxo_dur = mmio_read_32(SPM_BK_VTCXO_DUR); |
| spm_26m_off_pct = (100 * bk_vtcxo_dur) / wakesta->timer_out; |
| INFO("spm_26m_off_pct = %u\n", spm_26m_off_pct); |
| } |
| |
| return wr; |
| } |
| |
| void __spm_set_cpu_status(unsigned int cpu) |
| { |
| uint32_t root_core_addr; |
| |
| if (cpu < 8U) { |
| mmio_write_32(ROOT_CPUTOP_ADDR, (1U << cpu)); |
| root_core_addr = SPM_CPU0_PWR_CON + (cpu * 0x4); |
| root_core_addr += ROOT_CORE_ADDR_OFFSET; |
| mmio_write_32(ROOT_CORE_ADDR, root_core_addr); |
| /* Notify MCUPM that preferred cpu wakeup */ |
| mmio_write_32(MCUPM_MBOX_WAKEUP_CPU, cpu); |
| } else { |
| ERROR("%s: error cpu number %d\n", __func__, cpu); |
| } |
| } |
| |
| void __spm_src_req_update(const struct pwr_ctrl *pwrctrl, |
| unsigned int resource_usage) |
| { |
| uint8_t apsrc_req = ((resource_usage & MT_SPM_DRAM_S0) != 0U) ? |
| 1 : pwrctrl->reg_spm_apsrc_req; |
| uint8_t ddr_en_req = ((resource_usage & MT_SPM_DRAM_S1) != 0U) ? |
| 1 : pwrctrl->reg_spm_ddr_en_req; |
| uint8_t vrf18_req = ((resource_usage & MT_SPM_SYSPLL) != 0U) ? |
| 1 : pwrctrl->reg_spm_vrf18_req; |
| uint8_t infra_req = ((resource_usage & MT_SPM_INFRA) != 0U) ? |
| 1 : pwrctrl->reg_spm_infra_req; |
| uint8_t f26m_req = ((resource_usage & |
| (MT_SPM_26M | MT_SPM_XO_FPM)) != 0U) ? |
| 1 : pwrctrl->reg_spm_f26m_req; |
| |
| mmio_write_32(SPM_SRC_REQ, |
| ((apsrc_req & 0x1) << 0) | |
| ((f26m_req & 0x1) << 1) | |
| ((infra_req & 0x1) << 3) | |
| ((vrf18_req & 0x1) << 4) | |
| ((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)); |
| } |
| |
| void __spm_set_power_control(const struct pwr_ctrl *pwrctrl) |
| { |
| /* Auto-gen Start */ |
| |
| /* SPM_AP_STANDBY_CON */ |
| mmio_write_32(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_SRC_REQ */ |
| mmio_write_32(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 */ |
| mmio_write_32(SPM_SRC_MASK, |
| ((pwrctrl->reg_sspm_srcclkena_0_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_sspm_infra_req_0_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_sspm_apsrc_req_0_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_sspm_vrf18_req_0_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_sspm_ddr_en_0_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_scp_srcclkena_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_scp_infra_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_scp_apsrc_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_scp_vrf18_req_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_scp_ddr_en_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_audio_dsp_srcclkena_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_audio_dsp_infra_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_audio_dsp_apsrc_req_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_audio_dsp_vrf18_req_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_audio_dsp_ddr_en_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_apu_srcclkena_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_apu_infra_req_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_apu_apsrc_req_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_apu_vrf18_req_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_apu_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_cpueb_srcclkena_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_cpueb_infra_req_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_cpueb_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_cpueb_vrf18_req_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_cpueb_ddr_en_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_bak_psri_srcclkena_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_bak_psri_infra_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_bak_psri_apsrc_req_mask_b & 0x1) << 27) | |
| ((pwrctrl->reg_bak_psri_vrf18_req_mask_b & 0x1) << 28) | |
| ((pwrctrl->reg_bak_psri_ddr_en_mask_b & 0x1) << 29)); |
| |
| /* SPM_SRC2_MASK */ |
| mmio_write_32(SPM_SRC2_MASK, |
| ((pwrctrl->reg_msdc0_srcclkena_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_msdc0_infra_req_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_msdc0_apsrc_req_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_msdc0_vrf18_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_msdc0_ddr_en_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_msdc1_srcclkena_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_msdc1_infra_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_msdc1_apsrc_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_msdc1_vrf18_req_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_msdc1_ddr_en_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_msdc2_srcclkena_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_msdc2_infra_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_msdc2_apsrc_req_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_msdc2_vrf18_req_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_msdc2_ddr_en_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_ufs_srcclkena_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_ufs_infra_req_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_ufs_apsrc_req_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_ufs_vrf18_req_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_ufs_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_usb_srcclkena_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_usb_infra_req_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_usb_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_usb_vrf18_req_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_usb_ddr_en_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_pextp_p0_srcclkena_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_pextp_p0_infra_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_pextp_p0_apsrc_req_mask_b & 0x1) << 27) | |
| ((pwrctrl->reg_pextp_p0_vrf18_req_mask_b & 0x1) << 28) | |
| ((pwrctrl->reg_pextp_p0_ddr_en_mask_b & 0x1) << 29)); |
| |
| /* SPM_SRC3_MASK */ |
| mmio_write_32(SPM_SRC3_MASK, |
| ((pwrctrl->reg_pextp_p1_srcclkena_mask_b & 0x1) << 0) | |
| ((pwrctrl->reg_pextp_p1_infra_req_mask_b & 0x1) << 1) | |
| ((pwrctrl->reg_pextp_p1_apsrc_req_mask_b & 0x1) << 2) | |
| ((pwrctrl->reg_pextp_p1_vrf18_req_mask_b & 0x1) << 3) | |
| ((pwrctrl->reg_pextp_p1_ddr_en_mask_b & 0x1) << 4) | |
| ((pwrctrl->reg_gce0_infra_req_mask_b & 0x1) << 5) | |
| ((pwrctrl->reg_gce0_apsrc_req_mask_b & 0x1) << 6) | |
| ((pwrctrl->reg_gce0_vrf18_req_mask_b & 0x1) << 7) | |
| ((pwrctrl->reg_gce0_ddr_en_mask_b & 0x1) << 8) | |
| ((pwrctrl->reg_gce1_infra_req_mask_b & 0x1) << 9) | |
| ((pwrctrl->reg_gce1_apsrc_req_mask_b & 0x1) << 10) | |
| ((pwrctrl->reg_gce1_vrf18_req_mask_b & 0x1) << 11) | |
| ((pwrctrl->reg_gce1_ddr_en_mask_b & 0x1) << 12) | |
| ((pwrctrl->reg_spm_srcclkena_reserved_mask_b & 0x1) << 13) | |
| ((pwrctrl->reg_spm_infra_req_reserved_mask_b & 0x1) << 14) | |
| ((pwrctrl->reg_spm_apsrc_req_reserved_mask_b & 0x1) << 15) | |
| ((pwrctrl->reg_spm_vrf18_req_reserved_mask_b & 0x1) << 16) | |
| ((pwrctrl->reg_spm_ddr_en_reserved_mask_b & 0x1) << 17) | |
| ((pwrctrl->reg_disp0_ddr_en_mask_b & 0x1) << 18) | |
| ((pwrctrl->reg_disp0_ddr_en_mask_b & 0x1) << 19) | |
| ((pwrctrl->reg_disp1_apsrc_req_mask_b & 0x1) << 20) | |
| ((pwrctrl->reg_disp1_ddr_en_mask_b & 0x1) << 21) | |
| ((pwrctrl->reg_disp2_apsrc_req_mask_b & 0x1) << 22) | |
| ((pwrctrl->reg_disp2_ddr_en_mask_b & 0x1) << 23) | |
| ((pwrctrl->reg_disp3_apsrc_req_mask_b & 0x1) << 24) | |
| ((pwrctrl->reg_disp3_ddr_en_mask_b & 0x1) << 25) | |
| ((pwrctrl->reg_infrasys_apsrc_req_mask_b & 0x1) << 26) | |
| ((pwrctrl->reg_infrasys_ddr_en_mask_b & 0x1) << 27)); |
| |
| /* Mask MCUSYS request since SOC HW would check it */ |
| mmio_write_32(SPM_SRC4_MASK, 0x1fc0000); |
| |
| /* SPM_WAKEUP_EVENT_MASK */ |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, |
| ((pwrctrl->reg_wakeup_event_mask & 0xffffffff) << 0)); |
| |
| /* SPM_WAKEUP_EVENT_EXT_MASK */ |
| mmio_write_32(SPM_WAKEUP_EVENT_EXT_MASK, |
| ((pwrctrl->reg_ext_wakeup_event_mask & 0xffffffff) << 0)); |
| |
| /* Auto-gen End */ |
| } |
| |
| void __spm_disable_pcm_timer(void) |
| { |
| mmio_clrsetbits_32(PCM_CON1, RG_PCM_TIMER_EN_LSB, SPM_REGWR_CFG_KEY); |
| } |
| |
| void __spm_set_wakeup_event(const struct pwr_ctrl *pwrctrl) |
| { |
| uint32_t val, mask; |
| |
| /* toggle event counter clear */ |
| mmio_setbits_32(PCM_CON1, |
| SPM_REGWR_CFG_KEY | SPM_EVENT_COUNTER_CLR_LSB); |
| |
| /* toggle for reset SYS TIMER start point */ |
| mmio_setbits_32(SYS_TIMER_CON, SYS_TIMER_START_EN_LSB); |
| |
| if (pwrctrl->timer_val_cust == 0U) { |
| val = pwrctrl->timer_val; |
| } else { |
| val = pwrctrl->timer_val_cust; |
| } |
| |
| mmio_write_32(PCM_TIMER_VAL, val); |
| mmio_setbits_32(PCM_CON1, SPM_REGWR_CFG_KEY | RG_PCM_TIMER_EN_LSB); |
| |
| /* unmask AP wakeup source */ |
| if (pwrctrl->wake_src_cust == 0U) { |
| mask = pwrctrl->wake_src; |
| } else { |
| mask = pwrctrl->wake_src_cust; |
| } |
| |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, ~mask); |
| |
| /* unmask SPM ISR (keep TWAM setting) */ |
| mmio_setbits_32(SPM_IRQ_MASK, ISRM_RET_IRQ_AUX); |
| |
| /* toggle event counter clear */ |
| mmio_clrsetbits_32(PCM_CON1, SPM_EVENT_COUNTER_CLR_LSB, |
| SPM_REGWR_CFG_KEY); |
| /* toggle for reset SYS TIMER start point */ |
| mmio_clrbits_32(SYS_TIMER_CON, SYS_TIMER_START_EN_LSB); |
| } |
| |
| void __spm_set_pcm_flags(struct pwr_ctrl *pwrctrl) |
| { |
| /* set PCM flags and data */ |
| if (pwrctrl->pcm_flags_cust_clr != 0U) { |
| pwrctrl->pcm_flags &= ~pwrctrl->pcm_flags_cust_clr; |
| } |
| |
| if (pwrctrl->pcm_flags_cust_set != 0U) { |
| pwrctrl->pcm_flags |= pwrctrl->pcm_flags_cust_set; |
| } |
| |
| if (pwrctrl->pcm_flags1_cust_clr != 0U) { |
| pwrctrl->pcm_flags1 &= ~pwrctrl->pcm_flags1_cust_clr; |
| } |
| |
| if (pwrctrl->pcm_flags1_cust_set != 0U) { |
| pwrctrl->pcm_flags1 |= pwrctrl->pcm_flags1_cust_set; |
| } |
| |
| mmio_write_32(SPM_SW_FLAG_0, pwrctrl->pcm_flags); |
| mmio_write_32(SPM_SW_FLAG_1, pwrctrl->pcm_flags1); |
| mmio_write_32(SPM_SW_RSV_7, pwrctrl->pcm_flags); |
| mmio_write_32(SPM_SW_RSV_8, pwrctrl->pcm_flags1); |
| } |
| |
| void __spm_get_wakeup_status(struct wake_status *wakesta, |
| unsigned int ext_status) |
| { |
| wakesta->tr.comm.r12 = mmio_read_32(SPM_BK_WAKE_EVENT); |
| wakesta->tr.comm.timer_out = mmio_read_32(SPM_BK_PCM_TIMER); |
| wakesta->tr.comm.r13 = mmio_read_32(PCM_REG13_DATA); |
| wakesta->tr.comm.req_sta0 = mmio_read_32(SRC_REQ_STA_0); |
| wakesta->tr.comm.req_sta1 = mmio_read_32(SRC_REQ_STA_1); |
| wakesta->tr.comm.req_sta2 = mmio_read_32(SRC_REQ_STA_2); |
| wakesta->tr.comm.req_sta3 = mmio_read_32(SRC_REQ_STA_3); |
| wakesta->tr.comm.req_sta4 = mmio_read_32(SRC_REQ_STA_4); |
| wakesta->tr.comm.debug_flag = mmio_read_32(PCM_WDT_LATCH_SPARE_0); |
| wakesta->tr.comm.debug_flag1 = mmio_read_32(PCM_WDT_LATCH_SPARE_1); |
| |
| if ((ext_status & SPM_INTERNAL_STATUS_HW_S1) != 0U) { |
| wakesta->tr.comm.debug_flag |= (SPM_DBG_DEBUG_IDX_DDREN_WAKE | |
| SPM_DBG_DEBUG_IDX_DDREN_SLEEP); |
| mmio_write_32(PCM_WDT_LATCH_SPARE_0, |
| wakesta->tr.comm.debug_flag); |
| } |
| |
| wakesta->tr.comm.b_sw_flag0 = mmio_read_32(SPM_SW_RSV_7); |
| wakesta->tr.comm.b_sw_flag1 = mmio_read_32(SPM_SW_RSV_8); |
| |
| /* record below spm info for debug */ |
| wakesta->r12 = mmio_read_32(SPM_BK_WAKE_EVENT); |
| wakesta->r12_ext = mmio_read_32(SPM_WAKEUP_STA); |
| wakesta->raw_sta = mmio_read_32(SPM_WAKEUP_STA); |
| wakesta->raw_ext_sta = mmio_read_32(SPM_WAKEUP_EXT_STA); |
| wakesta->md32pcm_wakeup_sta = mmio_read_32(MD32PCM_WAKEUP_STA); |
| wakesta->md32pcm_event_sta = mmio_read_32(MD32PCM_EVENT_STA); |
| wakesta->src_req = mmio_read_32(SPM_SRC_REQ); |
| |
| /* backup of SPM_WAKEUP_MISC */ |
| wakesta->wake_misc = mmio_read_32(SPM_BK_WAKE_MISC); |
| |
| /* get sleep time, backup of PCM_TIMER_OUT */ |
| wakesta->timer_out = mmio_read_32(SPM_BK_PCM_TIMER); |
| |
| /* get other SYS and co-clock status */ |
| wakesta->r13 = mmio_read_32(PCM_REG13_DATA); |
| wakesta->idle_sta = mmio_read_32(SUBSYS_IDLE_STA); |
| wakesta->req_sta0 = mmio_read_32(SRC_REQ_STA_0); |
| wakesta->req_sta1 = mmio_read_32(SRC_REQ_STA_1); |
| wakesta->req_sta2 = mmio_read_32(SRC_REQ_STA_2); |
| wakesta->req_sta3 = mmio_read_32(SRC_REQ_STA_3); |
| wakesta->req_sta4 = mmio_read_32(SRC_REQ_STA_4); |
| |
| /* get HW CG check status */ |
| wakesta->cg_check_sta = mmio_read_32(SPM_CG_CHECK_STA); |
| |
| /* get debug flag for PCM execution check */ |
| wakesta->debug_flag = mmio_read_32(PCM_WDT_LATCH_SPARE_0); |
| wakesta->debug_flag1 = mmio_read_32(PCM_WDT_LATCH_SPARE_1); |
| |
| /* get backup SW flag status */ |
| wakesta->b_sw_flag0 = mmio_read_32(SPM_SW_RSV_7); |
| wakesta->b_sw_flag1 = mmio_read_32(SPM_SW_RSV_8); |
| |
| wakesta->rt_req_sta0 = mmio_read_32(SPM_SW_RSV_2); |
| wakesta->rt_req_sta1 = mmio_read_32(SPM_SW_RSV_3); |
| wakesta->rt_req_sta2 = mmio_read_32(SPM_SW_RSV_4); |
| wakesta->rt_req_sta3 = mmio_read_32(SPM_SW_RSV_5); |
| wakesta->rt_req_sta4 = mmio_read_32(SPM_SW_RSV_6); |
| |
| /* get ISR status */ |
| wakesta->isr = mmio_read_32(SPM_IRQ_STA); |
| |
| /* get SW flag status */ |
| wakesta->sw_flag0 = mmio_read_32(SPM_SW_FLAG_0); |
| wakesta->sw_flag1 = mmio_read_32(SPM_SW_FLAG_1); |
| |
| /* get CLK SETTLE */ |
| wakesta->clk_settle = mmio_read_32(SPM_CLK_SETTLE); |
| |
| /* check abort */ |
| wakesta->abort = (wakesta->debug_flag & DEBUG_ABORT_MASK) | |
| (wakesta->debug_flag1 & DEBUG_ABORT_MASK_1); |
| } |
| |
| void __spm_clean_after_wakeup(void) |
| { |
| mmio_write_32(SPM_BK_WAKE_EVENT, |
| mmio_read_32(SPM_WAKEUP_STA) | |
| mmio_read_32(SPM_BK_WAKE_EVENT)); |
| mmio_write_32(SPM_CPU_WAKEUP_EVENT, 0); |
| |
| /* |
| * clean wakeup event raw status (for edge trigger event) |
| * bit[28] for cpu wake up event |
| */ |
| mmio_write_32(SPM_WAKEUP_EVENT_MASK, SPM_WAKEUP_EVENT_MASK_CLEAN_MASK); |
| |
| /* clean ISR status (except TWAM) */ |
| mmio_setbits_32(SPM_IRQ_MASK, ISRM_ALL_EXC_TWAM); |
| mmio_write_32(SPM_IRQ_STA, ISRC_ALL_EXC_TWAM); |
| mmio_write_32(SPM_SWINT_CLR, PCM_SW_INT_ALL); |
| } |
| |
| void __spm_set_pcm_wdt(int en) |
| { |
| mmio_clrsetbits_32(PCM_CON1, RG_PCM_WDT_EN_LSB, |
| SPM_REGWR_CFG_KEY); |
| |
| if (en == 1) { |
| mmio_clrsetbits_32(PCM_CON1, RG_PCM_WDT_WAKE_LSB, |
| SPM_REGWR_CFG_KEY); |
| |
| if (mmio_read_32(PCM_TIMER_VAL) > PCM_TIMER_MAX) { |
| mmio_write_32(PCM_TIMER_VAL, PCM_TIMER_MAX); |
| } |
| |
| mmio_write_32(PCM_WDT_VAL, |
| mmio_read_32(PCM_TIMER_VAL) + PCM_WDT_TIMEOUT); |
| mmio_setbits_32(PCM_CON1, |
| SPM_REGWR_CFG_KEY | RG_PCM_WDT_EN_LSB); |
| } |
| } |
| |
| void __spm_send_cpu_wakeup_event(void) |
| { |
| /* SPM will clear SPM_CPU_WAKEUP_EVENT */ |
| mmio_write_32(SPM_CPU_WAKEUP_EVENT, 1); |
| } |
| |
| void __spm_ext_int_wakeup_req_clr(void) |
| { |
| mmio_write_32(EXT_INT_WAKEUP_REQ_CLR, mmio_read_32(ROOT_CPUTOP_ADDR)); |
| |
| /* Clear spm2mcupm wakeup interrupt status */ |
| mmio_write_32(SPM2CPUEB_CON, 0); |
| } |
| |
| void __spm_xo_soc_bblpm(int en) |
| { |
| if (en == 1) { |
| mmio_clrsetbits_32(RC_M00_SRCLKEN_CFG, |
| RC_SW_SRCLKEN_FPM, RC_SW_SRCLKEN_RC); |
| assert(mt_spm_bblpm_cnt == 0); |
| mt_spm_bblpm_cnt += 1; |
| } else { |
| mmio_clrsetbits_32(RC_M00_SRCLKEN_CFG, |
| RC_SW_SRCLKEN_RC, RC_SW_SRCLKEN_FPM); |
| mt_spm_bblpm_cnt -= 1; |
| } |
| } |
| |
| void __spm_hw_s1_state_monitor(int en, unsigned int *status) |
| { |
| unsigned int reg; |
| |
| reg = mmio_read_32(SPM_ACK_CHK_CON_3); |
| |
| if (en == 1) { |
| reg &= ~SPM_ACK_CHK_3_CON_CLR_ALL; |
| mmio_write_32(SPM_ACK_CHK_CON_3, reg); |
| reg |= SPM_ACK_CHK_3_CON_EN; |
| mmio_write_32(SPM_ACK_CHK_CON_3, reg); |
| } else { |
| if (((reg & SPM_ACK_CHK_3_CON_RESULT) != 0U) && |
| (status != NULL)) { |
| *status |= SPM_INTERNAL_STATUS_HW_S1; |
| } |
| |
| mmio_clrsetbits_32(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); |
| } |
| } |