1 /* 2 * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef GIC_COMMON_PRIVATE_H 8 #define GIC_COMMON_PRIVATE_H 9 10 #include <stdint.h> 11 12 #include <drivers/arm/gic_common.h> 13 #include <lib/mmio.h> 14 15 /******************************************************************************* 16 * GIC Distributor interface register accessors that are common to GICv3 & GICv2 17 ******************************************************************************/ 18 static inline unsigned int gicd_read_ctlr(uintptr_t base) 19 { 20 return mmio_read_32(base + GICD_CTLR); 21 } 22 23 static inline unsigned int gicd_read_typer(uintptr_t base) 24 { 25 return mmio_read_32(base + GICD_TYPER); 26 } 27 28 static inline unsigned int gicd_read_iidr(uintptr_t base) 29 { 30 return mmio_read_32(base + GICD_IIDR); 31 } 32 33 static inline void gicd_write_ctlr(uintptr_t base, unsigned int val) 34 { 35 mmio_write_32(base + GICD_CTLR, val); 36 } 37 38 /******************************************************************************* 39 * GIC Distributor function prototypes for accessing entire registers. 40 * Note: The raw register values correspond to multiple interrupt IDs and 41 * the number of interrupt IDs involved depends on the register accessed. 42 ******************************************************************************/ 43 unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id); 44 unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id); 45 unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id); 46 unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id); 47 unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id); 48 unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id); 49 unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id); 50 unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id); 51 unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id); 52 unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id); 53 unsigned int gicd_read_spendsgir(uintptr_t base, unsigned int id); 54 unsigned int gicd_read_cpendsgir(uintptr_t base, unsigned int id); 55 unsigned int gicd_read_itargetsr(uintptr_t base, unsigned int id); 56 void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val); 57 void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val); 58 void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val); 59 void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val); 60 void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val); 61 void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val); 62 void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val); 63 void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val); 64 void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val); 65 void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val); 66 void gicd_write_spendsgir(uintptr_t base, unsigned int id, unsigned int val); 67 void gicd_write_cpendsgir(uintptr_t base, unsigned int id, unsigned int val); 68 void gicd_write_itargetsr(uintptr_t base, unsigned int id, unsigned int val); 69 70 /******************************************************************************* 71 * GIC Distributor function prototypes for accessing the GIC registers 72 * corresponding to a single interrupt ID. These functions use bitwise 73 * operations or appropriate register accesses to modify or return 74 * the bit-field corresponding the single interrupt ID. 75 ******************************************************************************/ 76 unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id); 77 void gicd_set_igroupr(uintptr_t base, unsigned int id); 78 void gicd_clr_igroupr(uintptr_t base, unsigned int id); 79 void gicd_set_isenabler(uintptr_t base, unsigned int id); 80 void gicd_set_icenabler(uintptr_t base, unsigned int id); 81 void gicd_set_ispendr(uintptr_t base, unsigned int id); 82 void gicd_set_icpendr(uintptr_t base, unsigned int id); 83 unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id); 84 void gicd_set_isactiver(uintptr_t base, unsigned int id); 85 void gicd_set_icactiver(uintptr_t base, unsigned int id); 86 void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri); 87 void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg); 88 89 #endif /* GIC_COMMON_PRIVATE_H */ 90