1 /* 2 * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef IMX8M_GPC_H 8 #define IMX8M_GPC_H 9 10 #define LPCR_A53_BSC 0x0 11 #define LPCR_A53_BSC2 0x108 12 #define LPCR_A53_AD 0x4 13 #define LPCR_M4 0x8 14 #define SLPCR 0x14 15 #define MST_CPU_MAPPING 0x18 16 #define MLPCR 0x20 17 #define PGC_ACK_SEL_A53 0x24 18 #define IMR1_CORE0_A53 0x30 19 #define IMR1_CORE1_A53 0x40 20 #define IMR1_CORE2_A53 0x1C0 21 #define IMR1_CORE3_A53 0x1D0 22 #define IMR1_CORE0_M4 0x50 23 #define SLT0_CFG 0xB0 24 #define GPC_PU_PWRHSK 0x1FC 25 #define PGC_CPU_0_1_MAPPING 0xEC 26 #define CPU_PGC_UP_TRG 0xF0 27 #define PU_PGC_UP_TRG 0xF8 28 #define CPU_PGC_DN_TRG 0xFC 29 #define PU_PGC_DN_TRG 0x104 30 #define A53_CORE0_PGC 0x800 31 #define A53_PLAT_PGC 0x900 32 #define PLAT_PGC_PCR 0x900 33 #define PGC_SCU_TIMING 0x910 34 35 #define MASK_DSM_TRIGGER_A53 BIT(31) 36 #define IRQ_SRC_A53_WUP BIT(30) 37 #define IRQ_SRC_A53_WUP_SHIFT 30 38 #define IRQ_SRC_C1 BIT(29) 39 #define IRQ_SRC_C0 BIT(28) 40 #define IRQ_SRC_C3 BIT(23) 41 #define IRQ_SRC_C2 BIT(22) 42 #define CPU_CLOCK_ON_LPM BIT(14) 43 #define A53_CLK_ON_LPM BIT(14) 44 #define MASTER0_LPM_HSK BIT(6) 45 46 #define L2PGE BIT(31) 47 #define EN_L2_WFI_PDN BIT(5) 48 #define EN_PLAT_PDN BIT(4) 49 50 #define SLPCR_EN_DSM BIT(31) 51 #define SLPCR_RBC_EN BIT(30) 52 #define SLPCR_A53_FASTWUP_STOP_MODE BIT(17) 53 #define SLPCR_A53_FASTWUP_WAIT_MODE BIT(16) 54 #define SLPCR_VSTBY BIT(2) 55 #define SLPCR_SBYOS BIT(1) 56 #define SLPCR_BYPASS_PMIC_READY BIT(0) 57 #define SLPCR_RBC_COUNT_SHIFT 24 58 #define SLPCR_STBY_COUNT_SHFT 3 59 60 #define A53_DUMMY_PDN_ACK BIT(15) 61 #define A53_DUMMY_PUP_ACK BIT(31) 62 #define A53_PLAT_PDN_ACK BIT(2) 63 #define A53_PLAT_PUP_ACK BIT(18) 64 65 #define PLAT_PUP_SLT_CTRL BIT(9) 66 #define PLAT_PDN_SLT_CTRL BIT(8) 67 68 #define SLT_PLAT_PDN BIT(8) 69 #define SLT_PLAT_PUP BIT(9) 70 71 #define MASTER1_MAPPING BIT(1) 72 #define MASTER2_MAPPING BIT(2) 73 74 /* helper macro */ 75 #define A53_LPM_MASK U(0xF) 76 #define A53_LPM_WAIT U(0x5) 77 #define A53_LPM_STOP U(0xA) 78 #define LPM_MODE(local_state) ((local_state) == PLAT_WAIT_RET_STATE ? A53_LPM_WAIT : A53_LPM_STOP) 79 80 #define DSM_MODE_MASK BIT(31) 81 82 #define A53_CORE_WUP_SRC(core_id) (1 << ((core_id) < 2 ? 28 + (core_id) : 22 + (core_id) - 2)) 83 #define COREx_PGC_PCR(core_id) (0x800 + (core_id) * 0x40) 84 #define COREx_WFI_PDN(core_id) (1 << ((core_id) < 2 ? (core_id) * 2 : ((core_id) - 2) * 2 + 16)) 85 #define COREx_IRQ_WUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 8)) : (1 << ((core_id) * 2 + 20))) 86 #define COREx_LPM_PUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 9)) : (1 << ((core_id) * 2 + 21))) 87 #define SLTx_CFG(n) ((SLT0_CFG + ((n) * 4))) 88 #define SLT_COREx_PUP(core_id) (0x2 << ((core_id) * 2)) 89 90 #define IRQ_IMR_NUM 4 91 #define IMR_MASK_ALL 0xffffffff 92 93 /* function declare */ 94 void imx_gpc_init(void); 95 void imx_set_cpu_secure_entry(unsigned int core_index, uintptr_t sec_entrypoint); 96 void imx_set_cpu_pwr_off(unsigned int core_index); 97 void imx_set_cpu_pwr_on(unsigned int core_index); 98 void imx_set_cpu_lpm(unsigned int core_index, bool pdn); 99 void imx_set_cluster_standby(bool retention); 100 void imx_set_cluster_powerdown(unsigned int last_core, uint8_t power_state); 101 void imx_noc_slot_config(bool pdn); 102 void imx_set_sys_wakeup(unsigned int last_core, bool pdn); 103 void imx_set_sys_lpm(unsigned last_core, bool retention); 104 void imx_set_rbc_count(void); 105 void imx_clear_rbc_count(void); 106 107 #endif /*IMX8M_GPC_H */ 108