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 #if defined(CFG_ARM_GICV3) 13 #define GIC_DIST_REG_SIZE 0x10000 14 #define GIC_CPU_REG_SIZE 0x10000 15 #else 16 #define GIC_DIST_REG_SIZE 0x1000 17 #define GIC_CPU_REG_SIZE 0x1000 18 #endif 19 20 #define GIC_PPI_BASE U(16) 21 #define GIC_SPI_BASE U(32) 22 23 #define GIC_SGI_TO_ITNUM(x) (x) 24 #define GIC_PPI_TO_ITNUM(x) ((x) + GIC_PPI_BASE) 25 #define GIC_SPI_TO_ITNUM(x) ((x) + GIC_SPI_BASE) 26 27 /* 28 * The two gic_init() and gic_init_v3() functions initializes the struct 29 * gic_data which is then used by the other functions. These two functions 30 * also initializes the GIC and are only supposed to be called from the 31 * primary boot CPU. 32 */ 33 void gic_init_v3(paddr_t gicc_base_pa, paddr_t gicd_base_pa, 34 paddr_t gicr_base_pa); 35 static inline void gic_init(paddr_t gicc_base_pa, paddr_t gicd_base_pa) 36 { 37 gic_init_v3(gicc_base_pa, gicd_base_pa, 0); 38 } 39 40 /* 41 * Does per-CPU specific GIC initialization, should be called by all 42 * secondary CPUs when booting. 43 */ 44 void gic_init_per_cpu(void); 45 46 /* 47 * Only initialize CPU GIC interface, mainly use for secondary CPUs in 48 * non-TF-A configurations. 49 * 50 * This function is deprecated, please use gic_init_per_cpu() instead. 51 */ 52 void gic_cpu_init(void); 53 54 /* Print GIC state to console */ 55 void gic_dump_state(void); 56 #endif /*__DRIVERS_GIC_H*/ 57