developer | a444a20 | 2020-06-15 16:41:03 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef MT_CPU_PM_CPC_H |
| 8 | #define MT_CPU_PM_CPC_H |
| 9 | |
| 10 | #include <lib/mmio.h> |
| 11 | #include <lib/utils_def.h> |
| 12 | #include <mcucfg.h> |
| 13 | #include <platform_def.h> |
| 14 | |
| 15 | #define NEED_CPUSYS_PROT_WORKAROUND 1 |
| 16 | |
| 17 | /* system sram registers */ |
| 18 | #define CPUIDLE_SRAM_REG(r) (uint32_t)(MTK_MCDI_SRAM_BASE + (r)) |
| 19 | |
| 20 | /* db dump */ |
| 21 | #define CPC_TRACE_SIZE U(0x20) |
| 22 | #define CPC_TRACE_ID_NUM U(10) |
| 23 | #define CPC_TRACE_SRAM(id) (CPUIDLE_SRAM_REG(0x10) + (id) * CPC_TRACE_SIZE) |
| 24 | |
| 25 | /* buckup off count */ |
| 26 | #define CPC_CLUSTER_CNT_BACKUP CPUIDLE_SRAM_REG(0x1F0) |
| 27 | #define CPC_MCUSYS_CNT CPUIDLE_SRAM_REG(0x1F4) |
| 28 | |
| 29 | /* CPC_MCUSYS_CPC_FLOW_CTRL_CFG(0xA814): debug setting */ |
| 30 | #define CPC_PWR_ON_SEQ_DIS BIT(1) |
| 31 | #define CPC_PWR_ON_PRIORITY BIT(2) |
| 32 | #define CPC_AUTO_OFF_EN BIT(5) |
| 33 | #define CPC_DORMANT_WAIT_EN BIT(14) |
| 34 | #define CPC_CTRL_EN BIT(16) |
| 35 | #define CPC_OFF_PRE_EN BIT(29) |
| 36 | |
| 37 | /* CPC_MCUSYS_LAST_CORE_REQ(0xA818) : last core protection */ |
| 38 | #define CPUSYS_PROT_SET BIT(0) |
| 39 | #define MCUSYS_PROT_SET BIT(8) |
| 40 | #define CPUSYS_PROT_CLR BIT(8) |
| 41 | #define MCUSYS_PROT_CLR BIT(9) |
| 42 | |
| 43 | #define CPC_PROT_RESP_MASK U(0x3) |
| 44 | #define CPUSYS_RESP_OFS U(16) |
| 45 | #define MCUSYS_RESP_OFS U(30) |
| 46 | |
| 47 | #define cpusys_resp(r) (((r) >> CPUSYS_RESP_OFS) & CPC_PROT_RESP_MASK) |
| 48 | #define mcusys_resp(r) (((r) >> MCUSYS_RESP_OFS) & CPC_PROT_RESP_MASK) |
| 49 | |
| 50 | #define RETRY_CNT_MAX U(1000) |
| 51 | |
| 52 | #define PROT_RETRY U(0) |
| 53 | #define PROT_SUCCESS U(1) |
| 54 | #define PROT_GIVEUP U(2) |
| 55 | |
| 56 | /* CPC_MCUSYS_CPC_DBG_SETTING(0xAB00): debug setting */ |
| 57 | #define CPC_PROF_EN BIT(0) |
| 58 | #define CPC_DBG_EN BIT(1) |
| 59 | #define CPC_FREEZE BIT(2) |
| 60 | #define CPC_CALC_EN BIT(3) |
| 61 | |
| 62 | enum { |
| 63 | CPC_SUCCESS = 0, |
| 64 | |
| 65 | CPC_ERR_FAIL, |
| 66 | CPC_ERR_TIMEOUT, |
| 67 | |
| 68 | NF_CPC_ERR |
| 69 | }; |
| 70 | |
| 71 | enum { |
| 72 | CPC_SMC_EVENT_DUMP_TRACE_DATA, |
| 73 | CPC_SMC_EVENT_GIC_DPG_SET, |
| 74 | CPC_SMC_EVENT_CPC_CONFIG, |
| 75 | CPC_SMC_EVENT_READ_CONFIG, |
| 76 | |
| 77 | NF_CPC_SMC_EVENT |
| 78 | }; |
| 79 | |
| 80 | enum { |
| 81 | CPC_SMC_CONFIG_PROF, |
| 82 | CPC_SMC_CONFIG_AUTO_OFF, |
| 83 | CPC_SMC_CONFIG_AUTO_OFF_THRES, |
| 84 | CPC_SMC_CONFIG_CNT_CLR, |
| 85 | CPC_SMC_CONFIG_TIME_SYNC, |
| 86 | |
| 87 | NF_CPC_SMC_CONFIG |
| 88 | }; |
| 89 | |
| 90 | #define us_to_ticks(us) ((us) * 13) |
| 91 | #define ticks_to_us(tick) ((tick) / 13) |
| 92 | |
| 93 | int mtk_cpu_pm_cluster_prot_aquire(unsigned int cluster); |
| 94 | void mtk_cpu_pm_cluster_prot_release(unsigned int cluster); |
| 95 | |
| 96 | void mtk_cpc_mcusys_off_reflect(void); |
| 97 | int mtk_cpc_mcusys_off_prepare(void); |
| 98 | |
| 99 | void mtk_cpc_core_on_hint_set(unsigned int cpu); |
| 100 | void mtk_cpc_core_on_hint_clr(unsigned int cpu); |
| 101 | void mtk_cpc_time_sync(void); |
| 102 | |
| 103 | uint64_t mtk_cpc_handler(uint64_t act, uint64_t arg1, uint64_t arg2); |
| 104 | void mtk_cpc_init(void); |
| 105 | |
| 106 | #endif /* MT_CPU_PM_CPC_H */ |