// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2021 MediaTek Inc. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MT6983_LOG_DEFAULT_MS 5000 #define PCM_32K_TICKS_PER_SEC (32768) #define PCM_TICK_TO_SEC(TICK) (TICK / PCM_32K_TICKS_PER_SEC) #define aee_sram_printk pr_info static char *spm_cond_cg_str[PLAT_SPM_COND_MAX] = { [PLAT_SPM_COND_MTCMOS_0] = "MTCMOS_0", [PLAT_SPM_COND_CG_INFRA_0] = "INFRA_0", [PLAT_SPM_COND_CG_INFRA_1] = "INFRA_1", [PLAT_SPM_COND_CG_INFRA_2] = "INFRA_2", [PLAT_SPM_COND_CG_INFRA_3] = "INFRA_3", [PLAT_SPM_COND_CG_INFRA_4] = "INFRA_4", [PLAT_SPM_COND_CG_INFRA_5] = "INFRA_5", [PLAT_SPM_COND_CG_PERI_0] = "PERI_0", [PLAT_SPM_COND_CG_PERI_1] = "PERI_1", [PLAT_SPM_COND_CG_PERI_2] = "PERI_2", }; const char *wakesrc_str[32] = { [0] = " R12_PCM_TIMER", [1] = " R12_TWAM_PMSR_DVFSRC_IRQ", [2] = " R12_KP_IRQ_B", [3] = " R12_APWDT_EVENT_B", [4] = " R12_APXGPT1_EVENT_B", [5] = " R12_CONN2AP_SPM_WAKEUP_B", [6] = " R12_EINT_EVENT_B", [7] = " R12_CONN_WDT_IRQ_B", [8] = " R12_CCIF0_EVENT_B", [9] = " R12_CCIF1_EVENT_B", [10] = " R12_SC_SSPM2SPM_WAKEUP_B", [11] = " R12_SC_SCP2SPM_WAKEUP_B", [12] = " R12_SC_ADSP2SPM_WAKEUP_B", [13] = " R12_PCM_WDT_WAKEUP_B", [14] = " R12_USB_CDSC_B", [15] = " R12_USB_POWERDWN_B", [16] = " R12_SC_HFRP2SPM_WAKEUP_B", [17] = " R12_RESERVED_BIT", [18] = " R12_SYSTIMER", [19] = " R12_EINT_SECURED", [20] = " R12_AFE_IRQ_MCU_B", [21] = " R12_THERM_CTRL_EVENT_B", [22] = " R12_SYS_CIRQ_IRQ_B", [23] = " R12_MD2AP_PEER_EVENT_B", [24] = " R12_CSYSPWREQ_B", [25] = " R12_MD1_WDT_B", [26] = " R12_AP2AP_PEER_WAKEUPEVENT_B", [27] = " R12_SEJ_EVENT_B", [28] = " R12_SPM_CPU_WAKEUPEVENT_B", [29] = " R12_APUSYS", [30] = " R12_PCIE", [31] = " R12_MSDC_WAKEUPEVENT_B", }; #define plat_mmio_read(offset) __raw_readl(lpm_spm_base + offset) u64 ap_pd_count; u64 ap_slp_duration; u64 spm_26M_off_count; u64 spm_26M_off_duration; u64 spm_vcore_off_count; u64 spm_vcore_off_duration; u32 before_ap_slp_duration; struct logger_timer { struct lpm_timer tm; unsigned int fired; }; #define STATE_NUM 10 #define STATE_NAME_SIZE 15 struct logger_fired_info { unsigned int fired; unsigned int state_index; char state_name[STATE_NUM][STATE_NAME_SIZE]; int fired_index; }; static struct lpm_spm_wake_status wakesrc; static struct lpm_log_helper log_help = { .wakesrc = &wakesrc, .cur = 0, .prev = 0, }; static int lpm_get_wakeup_status(void) { struct lpm_log_helper *help = &log_help; if (!help->wakesrc || !lpm_spm_base) return -EINVAL; help->wakesrc->r12 = plat_mmio_read(SPM_BK_WAKE_EVENT); help->wakesrc->r12_ext = plat_mmio_read(SPM_WAKEUP_STA); help->wakesrc->raw_sta = plat_mmio_read(SPM_WAKEUP_STA); help->wakesrc->raw_ext_sta = plat_mmio_read(SPM_WAKEUP_EXT_STA); help->wakesrc->md32pcm_wakeup_sta = plat_mmio_read(MD32PCM_WAKEUP_STA); help->wakesrc->md32pcm_event_sta = plat_mmio_read(MD32PCM_EVENT_STA); help->wakesrc->src_req = plat_mmio_read(SPM_SRC_REQ); /* backup of SPM_WAKEUP_MISC */ help->wakesrc->wake_misc = plat_mmio_read(SPM_BK_WAKE_MISC); /* get sleep time */ /* backup of PCM_TIMER_OUT */ help->wakesrc->timer_out = plat_mmio_read(SPM_BK_PCM_TIMER); /* get other SYS and co-clock status */ help->wakesrc->r13 = plat_mmio_read(MD32PCM_SCU_STA0); help->wakesrc->req_sta0 = plat_mmio_read(SPM_REQ_STA_0); help->wakesrc->req_sta1 = plat_mmio_read(SPM_REQ_STA_1); help->wakesrc->req_sta2 = plat_mmio_read(SPM_REQ_STA_2); help->wakesrc->req_sta3 = plat_mmio_read(SPM_REQ_STA_3); help->wakesrc->req_sta4 = plat_mmio_read(SPM_REQ_STA_4); help->wakesrc->req_sta5 = plat_mmio_read(SPM_REQ_STA_5); help->wakesrc->req_sta6 = plat_mmio_read(SPM_REQ_STA_6); help->wakesrc->req_sta7 = plat_mmio_read(SPM_REQ_STA_7); help->wakesrc->req_sta8 = plat_mmio_read(SPM_REQ_STA_8); /* get HW CG check status *//*FIXME*/ help->wakesrc->cg_check_sta = plat_mmio_read(SPM_REQ_STA_2); /* get debug flag for PCM execution check */ help->wakesrc->debug_flag = plat_mmio_read(PCM_WDT_LATCH_SPARE_0); help->wakesrc->debug_flag1 = plat_mmio_read(PCM_WDT_LATCH_SPARE_1); /* get backup SW flag status */ help->wakesrc->b_sw_flag0 = plat_mmio_read(SPM_SW_RSV_7); help->wakesrc->b_sw_flag1 = plat_mmio_read(SPM_SW_RSV_8); help->wakesrc->rt_req_sta0 = plat_mmio_read(SPM_SW_RSV_2); help->wakesrc->rt_req_sta1 = plat_mmio_read(SPM_SW_RSV_3); help->wakesrc->rt_req_sta2 = plat_mmio_read(SPM_SW_RSV_4); help->wakesrc->rt_req_sta3 = plat_mmio_read(SPM_SW_RSV_5); help->wakesrc->rt_req_sta4 = plat_mmio_read(SPM_SW_RSV_6); /* get ISR status */ help->wakesrc->isr = plat_mmio_read(SPM_IRQ_STA); /* get SW flag status */ help->wakesrc->sw_flag0 = plat_mmio_read(SPM_SW_FLAG_0); help->wakesrc->sw_flag1 = plat_mmio_read(SPM_SW_FLAG_1); /* get CLK SETTLE */ help->wakesrc->clk_settle = plat_mmio_read(SPM_CLK_SETTLE); /* check abort */ help->cur += 1; return 0; } static void lpm_save_sleep_info(void) { } static void suspend_show_detailed_wakeup_reason (struct lpm_spm_wake_status *wakesta) { } static void dump_lp_cond(void) { #define MT6885_DBG_SMC(_id, _act, _rc, _param) ({\ (u32) mtk_lpm_smc_spm_dbg(_id, _act, _rc, _param); }) int i; u32 blkcg; for (i = 1 ; i < PLAT_SPM_COND_MAX ; i++) { blkcg = lpm_smc_spm_dbg(MT_SPM_DBG_SMC_UID_BLOCK_DETAIL, MT_LPM_SMC_ACT_GET, 0, i); if (blkcg != 0) pr_info("suspend warning: CG: %6s = 0x%08lx\n" , spm_cond_cg_str[i], blkcg); } } static void suspend_spm_rsc_req_check (struct lpm_spm_wake_status *wakesta) { #define LOG_BUF_SIZE 256 #define IS_BLOCKED_OVER_TIMES 10 #undef AVOID_OVERFLOW #define AVOID_OVERFLOW (0xF0000000) static u32 is_blocked_cnt; char log_buf[LOG_BUF_SIZE] = { 0 }; int log_size = 0; u32 is_no_blocked = 0; u32 req_sta_0, req_sta_1, req_sta_2; u32 req_sta_3, req_sta_4, req_sta_5; u32 req_sta_mix; u32 src_req; if (is_blocked_cnt >= AVOID_OVERFLOW) is_blocked_cnt = 0; /* Check if ever enter deepest System LPM */ is_no_blocked = wakesta->debug_flag & 0x2; /* Check if System LPM ever is blocked over 10 times */ if (!is_no_blocked) is_blocked_cnt++; else is_blocked_cnt = 0; if (is_blocked_cnt < IS_BLOCKED_OVER_TIMES) return; if (!lpm_spm_base) return; /* Show who is blocking system LPM */ log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "suspend warning:(OneShot) System LPM is blocked by "); req_sta_0 = plat_mmio_read(SPM_REQ_STA_0); req_sta_1 = plat_mmio_read(SPM_REQ_STA_1); req_sta_2 = plat_mmio_read(SPM_REQ_STA_2); req_sta_3 = plat_mmio_read(SPM_REQ_STA_3); req_sta_4 = plat_mmio_read(SPM_REQ_STA_4); req_sta_5 = plat_mmio_read(SPM_REQ_STA_5); req_sta_mix = req_sta_0 | req_sta_1 | req_sta_2 | req_sta_3 | req_sta_4 | req_sta_5; if (req_sta_mix & (0x1 << 0)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "peri "); if (req_sta_mix & (0x1 << 1)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "apu "); if (req_sta_mix & (0x1 << 2)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "adsp "); if (req_sta_mix & (0x1 << 4)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "infra "); if (req_sta_mix & (0x3 << 5)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "conn "); if (req_sta_mix & (0x1 << 8)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "disp "); if (req_sta_mix & (0x1 << 13)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "gce "); if (req_sta_mix & (0x3 << 17)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "md "); if (req_sta_mix & (0x1 << 21)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "msdc "); if (req_sta_mix & (0x1 << 22)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "scp "); if (req_sta_mix & (0x1 << 27)) log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "ufs "); src_req = plat_mmio_read(SPM_SRC_REQ); if (src_req & 0x18F6) { dump_lp_cond(); log_size += scnprintf(log_buf + log_size, LOG_BUF_SIZE - log_size, "spm "); } WARN_ON(strlen(log_buf) >= LOG_BUF_SIZE); pr_info("[name:spm&][SPM] %s\n", log_buf); } static int lpm_show_message(int type, const char *prefix, void *data) { struct lpm_spm_wake_status *wakesrc = log_help.wakesrc; #undef LOG_BUF_SIZE #define LOG_BUF_SIZE 256 #define LOG_BUF_OUT_SZ 768 #define IS_WAKE_MISC(x) (wakesrc->wake_misc & x) #define IS_LOGBUF(ptr, newstr) \ ((strlen(ptr) + strlen(newstr)) < LOG_BUF_SIZE) unsigned int spm_26M_off_pct = 0; unsigned int spm_vcore_off_pct = 0; char buf[LOG_BUF_SIZE] = { 0 }; char log_buf[LOG_BUF_OUT_SZ] = { 0 }; char *local_ptr = NULL; int i = 0, log_size = 0, log_type = 0; unsigned int wr = WR_UNKNOWN; const char *scenario = prefix ?: "UNKNOWN"; log_type = ((struct lpm_issuer *)data)->log_type; if (log_type < LOG_SUCCEESS) { aee_sram_printk("[name:spm&][SPM] %s didn't enter MCUSYS off, cstate enter func ret = %d\n", prefix, log_type); wr = WR_ABORT; goto end; } if (log_type == LOG_MCUSYS_NOT_OFF) { aee_sram_printk("[name:spm&][SPM] %s didn't enter MCUSYS off, MCUSYS cnt is no update\n", prefix); wr = WR_ABORT; goto end; } if (wakesrc->is_abort != 0) { /* add size check for vcoredvfs */ aee_sram_printk("SPM ABORT (%s), r13 = 0x%x, ", scenario, wakesrc->r13); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "[SPM] ABORT (%s), r13 = 0x%x, ", scenario, wakesrc->r13); aee_sram_printk(" debug_flag = 0x%x 0x%x", wakesrc->debug_flag, wakesrc->debug_flag1); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, " debug_flag = 0x%x 0x%x", wakesrc->debug_flag, wakesrc->debug_flag1); aee_sram_printk(" sw_flag = 0x%x 0x%x", wakesrc->sw_flag0, wakesrc->sw_flag1); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, " sw_flag = 0x%x 0x%x\n", wakesrc->sw_flag0, wakesrc->sw_flag1); aee_sram_printk(" b_sw_flag = 0x%x 0x%x", wakesrc->b_sw_flag0, wakesrc->b_sw_flag1); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, " b_sw_flag = 0x%x 0x%x", wakesrc->b_sw_flag0, wakesrc->b_sw_flag1); wr = WR_ABORT; } else { if (wakesrc->r12 & R12_PCM_TIMER_B) { if (wakesrc->wake_misc & WAKE_MISC_PCM_TIMER_EVENT) { local_ptr = " PCM_TIMER"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_PCM_TIMER; } } if (wakesrc->r12 & R12_TWAM_PMSR_DVFSRC_IRQ) { if (IS_WAKE_MISC(WAKE_MISC_DVFSRC_IRQ)) { local_ptr = " DVFSRC"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_DVFSRC; } if (IS_WAKE_MISC(WAKE_MISC_TWAM_IRQ_B)) { local_ptr = " TWAM"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_TWAM; } if (IS_WAKE_MISC(WAKE_MISC_PMSR_IRQ_B_SET0)) { local_ptr = " PMSR"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_PMSR; } if (IS_WAKE_MISC(WAKE_MISC_PMSR_IRQ_B_SET1)) { local_ptr = " PMSR"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_PMSR; } if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_0)) { local_ptr = " SPM_ACK_CHK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_1)) { local_ptr = " SPM_ACK_CHK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_2)) { local_ptr = " SPM_ACK_CHK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_3)) { local_ptr = " SPM_ACK_CHK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_ALL)) { local_ptr = " SPM_ACK_CHK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_SRCLKEN_RC_ERR_INT)) { local_ptr = " WAKE_MISC_SRCLKEN_RC_ERR_INT"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_VLP_BUS_TIMEOUT_IRQ)) { local_ptr = " WAKE_MISC_VLP_BUS_TIMEOUT_IRQ"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_PMIC_EINT_OUT)) { local_ptr = " WAKE_MISC_PMIC_EINT_OUT"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_PMIC_IRQ_ACK)) { local_ptr = " WAKE_MISC_PMIC_IRQ_ACK"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } if (IS_WAKE_MISC(WAKE_MISC_PMIC_SCP_IRQ)) { local_ptr = " WAKE_MISC_PMIC_SCP_IRQ"; if (IS_LOGBUF(buf, local_ptr)) strncat(buf, local_ptr, strlen(local_ptr)); wr = WR_SPM_ACK_CHK; } } for (i = 1; i < 32; i++) { if (wakesrc->r12 & (1U << i)) { if (IS_LOGBUF(buf, wakesrc_str[i])) strncat(buf, wakesrc_str[i], strlen(wakesrc_str[i])); wr = WR_WAKE_SRC; } } WARN_ON(strlen(buf) >= LOG_BUF_SIZE); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "%s wake up by %s, timer_out = %u, r13 = 0x%x, debug_flag = 0x%x 0x%x, ", scenario, buf, wakesrc->timer_out, wakesrc->r13, wakesrc->debug_flag, wakesrc->debug_flag1); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "r12 = 0x%x, r12_ext = 0x%x, raw_sta = 0x%x 0x%x 0x%x, idle_sta = 0x%x, ", wakesrc->r12, wakesrc->r12_ext, wakesrc->raw_sta, wakesrc->md32pcm_wakeup_sta, wakesrc->md32pcm_event_sta, wakesrc->idle_sta); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "req_sta = 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x, cg_check_sta =0x%x, isr = 0x%x, rt_req_sta0 = 0x%x rt_req_sta1 = 0x%x rt_req_sta2 = 0x%x rt_req_sta3 = 0x%x dram_sw_con_3 = 0x%x, ", wakesrc->req_sta0, wakesrc->req_sta1, wakesrc->req_sta2, wakesrc->req_sta3, wakesrc->req_sta4, wakesrc->req_sta5, wakesrc->req_sta6, wakesrc->req_sta7, wakesrc->req_sta8, wakesrc->cg_check_sta, wakesrc->isr, wakesrc->rt_req_sta0, wakesrc->rt_req_sta1, wakesrc->rt_req_sta2, wakesrc->rt_req_sta3, wakesrc->rt_req_sta4); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "raw_ext_sta = 0x%x, wake_misc = 0x%x, pcm_flag = 0x%x 0x%x 0x%x 0x%x, req = 0x%x, ", wakesrc->raw_ext_sta, wakesrc->wake_misc, wakesrc->sw_flag0, wakesrc->sw_flag1, wakesrc->b_sw_flag0, wakesrc->b_sw_flag1, wakesrc->src_req); log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, " clk_settle = 0x%x, ", wakesrc->clk_settle); if (type == LPM_ISSUER_SUSPEND && lpm_spm_base) { /* calculate 26M off percentage in suspend period */ if (wakesrc->timer_out != 0) { spm_26M_off_pct = (100 * plat_mmio_read(SPM_BK_VTCXO_DUR)) / wakesrc->timer_out; spm_vcore_off_pct = (100 * plat_mmio_read(SPM_SW_RSV_4)) / wakesrc->timer_out; } log_size += scnprintf(log_buf + log_size, LOG_BUF_OUT_SZ - log_size, "wlk_cntcv_l = 0x%x, wlk_cntcv_h = 0x%x, 26M_off_pct = %d, vcore_off_pct = %d\n", plat_mmio_read(SYS_TIMER_VALUE_L), plat_mmio_read(SYS_TIMER_VALUE_H), spm_26M_off_pct, spm_vcore_off_pct); } } WARN_ON(log_size >= LOG_BUF_OUT_SZ); if (type == LPM_ISSUER_SUSPEND) { pr_info("[name:spm&][SPM] %s", log_buf); suspend_show_detailed_wakeup_reason(wakesrc); suspend_spm_rsc_req_check(wakesrc); pr_info("[name:spm&][SPM] Suspended for %d.%03d seconds", PCM_TICK_TO_SEC(wakesrc->timer_out), PCM_TICK_TO_SEC((wakesrc->timer_out % PCM_32K_TICKS_PER_SEC) * 1000)); log_md_sleep_info(); /* Eable rcu lock checking */ // rcu_irq_exit_irqson(); } else pr_info("[name:spm&][SPM] %s", log_buf); end: return wr; } static struct lpm_dbg_plat_ops dbg_ops = { .lpm_show_message = lpm_show_message, .lpm_save_sleep_info = lpm_save_sleep_info, .lpm_get_spm_wakesrc_irq = NULL, .lpm_get_wakeup_status = lpm_get_wakeup_status, }; int dbg_ops_register(void) { int ret; ret = lpm_dbg_plat_ops_register(&dbg_ops); return ret; }