1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2016, Linaro Limited 4 * Copyright (c) 2014, STMicroelectronics International N.V. 5 */ 6 7 #ifndef __DRIVERS_GIC_H 8 #define __DRIVERS_GIC_H 9 #include <types_ext.h> 10 #include <kernel/interrupt.h> 11 12 #define GIC_DIST_REG_SIZE 0x10000 13 #define GIC_CPU_REG_SIZE 0x10000 14 #define GIC_SGI(x) (x) 15 #define GIC_PPI(x) ((x) + 16) 16 #define GIC_SPI(x) ((x) + 32) 17 18 struct gic_data { 19 vaddr_t gicc_base; 20 vaddr_t gicd_base; 21 size_t max_it; 22 struct itr_chip chip; 23 }; 24 25 /* 26 * The two gic_init_* functions initializes the struct gic_data which is 27 * then used by the other functions. 28 */ 29 30 void gic_init(struct gic_data *gd, vaddr_t gicc_base, vaddr_t gicd_base); 31 /* initial base address only */ 32 void gic_init_base_addr(struct gic_data *gd, vaddr_t gicc_base, 33 vaddr_t gicd_base); 34 /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 35 void gic_cpu_init(struct gic_data *gd); 36 37 void gic_it_handle(struct gic_data *gd); 38 39 void gic_dump_state(struct gic_data *gd); 40 #endif /*__DRIVERS_GIC_H*/ 41