1 /* 2 * Copyright (c) 2018, 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 PGC_SCU_TIMING 0x910 33 34 #define MASK_DSM_TRIGGER_A53 BIT(31) 35 #define IRQ_SRC_A53_WUP BIT(30) 36 #define IRQ_SRC_C1 BIT(29) 37 #define IRQ_SRC_C0 BIT(28) 38 #define IRQ_SRC_C3 BIT(23) 39 #define IRQ_SRC_C2 BIT(22) 40 #define CPU_CLOCK_ON_LPM BIT(14) 41 #define MASTER0_LPM_HSK BIT(6) 42 43 #define L2PGE BIT(31) 44 #define EN_L2_WFI_PDN BIT(5) 45 #define EN_PLAT_PDN BIT(4) 46 47 #define SLPCR_EN_DSM BIT(31) 48 #define SLPCR_RBC_EN BIT(30) 49 #define SLPCR_A53_FASTWUP_STOP_MODE BIT(17) 50 #define SLPCR_A53_FASTWUP_WAIT_MODE BIT(16) 51 #define SLPCR_VSTBY BIT(2) 52 #define SLPCR_SBYOS BIT(1) 53 #define SLPCR_BYPASS_PMIC_READY BIT(0) 54 #define SLPCR_RBC_COUNT_SHIFT 24 55 56 #define A53_DUMMY_PDN_ACK BIT(15) 57 #define A53_DUMMY_PUP_ACK BIT(31) 58 #define A53_PLAT_PDN_ACK BIT(2) 59 #define A53_PLAT_PUP_ACK BIT(18) 60 61 #define SLT_PLAT_PDN BIT(8) 62 #define SLT_PLAT_PUP BIT(9) 63 64 /* helper macro */ 65 #define A53_LPM_MASK U(0xF) 66 #define A53_LPM_WAIT U(0x5) 67 #define A53_LPM_STOP U(0xA) 68 69 #define DSM_MODE_MASK BIT(31) 70 71 #define A53_CORE_WUP_SRC(core_id) (1 << ((core_id) < 2 ? 28 + (core_id) : 22 + (core_id) - 2)) 72 #define COREx_PGC_PCR(core_id) (0x800 + (core_id) * 0x40) 73 #define COREx_WFI_PDN(core_id) (1 << ((core_id) < 2 ? (core_id) * 2 : ((core_id) - 2) * 2 + 16)) 74 #define COREx_IRQ_WUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 8)) : (1 << ((core_id) * 2 + 20))) 75 #define COREx_LPM_PUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 9)) : (1 << ((core_id) * 2 + 21))) 76 #define SLTx_CFG(n) ((SLT0_CFG + ((n) * 4))) 77 #define SLT_COREx_PUP(core_id) (0x2 << ((core_id) * 2)) 78 79 /* function declare */ 80 void imx_gpc_init(void); 81 void imx_set_cpu_secure_entry(unsigned int core_index, uintptr_t sec_entrypoint); 82 void imx_set_cpu_pwr_off(unsigned int core_index); 83 void imx_set_cpu_pwr_on(unsigned int core_index); 84 void imx_set_cpu_lpm(unsigned int core_index, bool pdn); 85 void imx_set_cluster_standby(bool retention); 86 void imx_set_cluster_powerdown(unsigned int last_core, uint8_t power_state); 87 void imx_set_sys_lpm(bool retention); 88 void imx_set_rbc_count(void); 89 void imx_clear_rbc_count(void); 90 91 #endif /*IMX8M_GPC_H */ 92