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 15 #define GIC_PPI_BASE U(16) 16 #define GIC_SPI_BASE U(32) 17 18 #define GIC_SGI(x) (x) 19 #define GIC_PPI(x) ((x) + GIC_PPI_BASE) 20 #define GIC_SPI(x) ((x) + GIC_SPI_BASE) 21 22 struct gic_data { 23 vaddr_t gicc_base; 24 vaddr_t gicd_base; 25 size_t max_it; 26 struct itr_chip chip; 27 }; 28 29 /* 30 * The two gic_init_* functions initializes the struct gic_data which is 31 * then used by the other functions. 32 */ 33 34 void gic_init(struct gic_data *gd, vaddr_t gicc_base, vaddr_t gicd_base); 35 /* initial base address only */ 36 void gic_init_base_addr(struct gic_data *gd, vaddr_t gicc_base, 37 vaddr_t gicd_base); 38 /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 39 void gic_cpu_init(struct gic_data *gd); 40 41 void gic_it_handle(struct gic_data *gd); 42 43 void gic_dump_state(struct gic_data *gd); 44 #endif /*__DRIVERS_GIC_H*/ 45