11bb92983SJerome Forissier /* SPDX-License-Identifier: BSD-2-Clause */ 2b0104773SPascal Brand /* 37315b7b4SJens Wiklander * Copyright (c) 2016, Linaro Limited 4b0104773SPascal Brand * Copyright (c) 2014, STMicroelectronics International N.V. 5b0104773SPascal Brand */ 6b0104773SPascal Brand 77315b7b4SJens Wiklander #ifndef __DRIVERS_GIC_H 87315b7b4SJens Wiklander #define __DRIVERS_GIC_H 9ec219598SPascal Brand #include <types_ext.h> 107315b7b4SJens Wiklander #include <kernel/interrupt.h> 11b0104773SPascal Brand 122729a4d6SJens Wiklander #define GIC_DIST_REG_SIZE 0x10000 132729a4d6SJens Wiklander #define GIC_CPU_REG_SIZE 0x10000 14*e4632aa2SRayagonda Kokatanur #define GIC_SGI(x) (x) 15*e4632aa2SRayagonda Kokatanur #define GIC_PPI(x) ((x) + 16) 16*e4632aa2SRayagonda Kokatanur #define GIC_SPI(x) ((x) + 32) 172729a4d6SJens Wiklander 187315b7b4SJens Wiklander struct gic_data { 197315b7b4SJens Wiklander vaddr_t gicc_base; 207315b7b4SJens Wiklander vaddr_t gicd_base; 217315b7b4SJens Wiklander size_t max_it; 227315b7b4SJens Wiklander struct itr_chip chip; 237315b7b4SJens Wiklander }; 247315b7b4SJens Wiklander 257315b7b4SJens Wiklander /* 267315b7b4SJens Wiklander * The two gic_init_* functions initializes the struct gic_data which is 277315b7b4SJens Wiklander * then used by the other functions. 287315b7b4SJens Wiklander */ 297315b7b4SJens Wiklander 30e0c081a3SJens Wiklander void gic_init(struct gic_data *gd, vaddr_t gicc_base, vaddr_t gicd_base); 3153bd332aSSY Chiu /* initial base address only */ 327315b7b4SJens Wiklander void gic_init_base_addr(struct gic_data *gd, vaddr_t gicc_base, 337315b7b4SJens Wiklander vaddr_t gicd_base); 34bedc2b9fSsunny /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 357315b7b4SJens Wiklander void gic_cpu_init(struct gic_data *gd); 36b0104773SPascal Brand 377315b7b4SJens Wiklander void gic_it_handle(struct gic_data *gd); 38b0104773SPascal Brand 397315b7b4SJens Wiklander void gic_dump_state(struct gic_data *gd); 407315b7b4SJens Wiklander #endif /*__DRIVERS_GIC_H*/ 41