1 /* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef GIC_H 29 #define GIC_H 30 #include <types_ext.h> 31 32 void gic_init(paddr_t gicc_base, paddr_t gicd_base); 33 /* initial base address only */ 34 void gic_init_base_addr(vaddr_t gicc_base, vaddr_t gicd_base); 35 /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 36 void gic_cpu_init(void); 37 38 void gic_it_add(size_t it); 39 void gic_it_set_cpu_mask(size_t it, uint8_t cpu_mask); 40 void gic_it_set_prio(size_t it, uint8_t prio); 41 void gic_it_enable(size_t it); 42 void gic_it_disable(size_t it); 43 44 uint32_t gic_read_iar(void); 45 void gic_write_eoir(uint32_t eoir); 46 47 bool gic_it_is_enabled(size_t it); 48 bool gic_it_get_group(size_t it); 49 uint32_t gic_it_get_target(size_t it); 50 void gic_dump_state(void); 51 #endif /*GIC_H*/ 52 53