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 12*4e6eecf6SJens Wiklander #if defined(CFG_ARM_GICV3) 132729a4d6SJens Wiklander #define GIC_DIST_REG_SIZE 0x10000 142729a4d6SJens Wiklander #define GIC_CPU_REG_SIZE 0x10000 15*4e6eecf6SJens Wiklander #else 16*4e6eecf6SJens Wiklander #define GIC_DIST_REG_SIZE 0x1000 17*4e6eecf6SJens Wiklander #define GIC_CPU_REG_SIZE 0x1000 18*4e6eecf6SJens Wiklander #endif 19f13b1003SJens Wiklander 20f13b1003SJens Wiklander #define GIC_PPI_BASE U(16) 21f13b1003SJens Wiklander #define GIC_SPI_BASE U(32) 22f13b1003SJens Wiklander 23e4632aa2SRayagonda Kokatanur #define GIC_SGI(x) (x) 24f13b1003SJens Wiklander #define GIC_PPI(x) ((x) + GIC_PPI_BASE) 25f13b1003SJens Wiklander #define GIC_SPI(x) ((x) + GIC_SPI_BASE) 262729a4d6SJens Wiklander 277315b7b4SJens Wiklander struct gic_data { 287315b7b4SJens Wiklander vaddr_t gicc_base; 297315b7b4SJens Wiklander vaddr_t gicd_base; 307315b7b4SJens Wiklander size_t max_it; 317315b7b4SJens Wiklander struct itr_chip chip; 327315b7b4SJens Wiklander }; 337315b7b4SJens Wiklander 347315b7b4SJens Wiklander /* 357315b7b4SJens Wiklander * The two gic_init_* functions initializes the struct gic_data which is 367315b7b4SJens Wiklander * then used by the other functions. 377315b7b4SJens Wiklander */ 387315b7b4SJens Wiklander 3960801696SVolodymyr Babchuk void gic_init(struct gic_data *gd, paddr_t gicc_base_pa, paddr_t gicd_base_pa); 4053bd332aSSY Chiu /* initial base address only */ 4160801696SVolodymyr Babchuk void gic_init_base_addr(struct gic_data *gd, paddr_t gicc_base_pa, 4260801696SVolodymyr Babchuk paddr_t gicd_base_pa); 43bedc2b9fSsunny /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 447315b7b4SJens Wiklander void gic_cpu_init(struct gic_data *gd); 45b0104773SPascal Brand 467315b7b4SJens Wiklander void gic_it_handle(struct gic_data *gd); 47b0104773SPascal Brand 487315b7b4SJens Wiklander void gic_dump_state(struct gic_data *gd); 497315b7b4SJens Wiklander #endif /*__DRIVERS_GIC_H*/ 50