1b0104773SPascal Brand /* 27315b7b4SJens Wiklander * Copyright (c) 2016, Linaro Limited 3b0104773SPascal Brand * Copyright (c) 2014, STMicroelectronics International N.V. 4b0104773SPascal Brand * All rights reserved. 5b0104773SPascal Brand * 6b0104773SPascal Brand * Redistribution and use in source and binary forms, with or without 7b0104773SPascal Brand * modification, are permitted provided that the following conditions are met: 8b0104773SPascal Brand * 9b0104773SPascal Brand * 1. Redistributions of source code must retain the above copyright notice, 10b0104773SPascal Brand * this list of conditions and the following disclaimer. 11b0104773SPascal Brand * 12b0104773SPascal Brand * 2. Redistributions in binary form must reproduce the above copyright notice, 13b0104773SPascal Brand * this list of conditions and the following disclaimer in the documentation 14b0104773SPascal Brand * and/or other materials provided with the distribution. 15b0104773SPascal Brand * 16b0104773SPascal Brand * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17b0104773SPascal Brand * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18b0104773SPascal Brand * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19b0104773SPascal Brand * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20b0104773SPascal Brand * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21b0104773SPascal Brand * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22b0104773SPascal Brand * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23b0104773SPascal Brand * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24b0104773SPascal Brand * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25b0104773SPascal Brand * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26b0104773SPascal Brand * POSSIBILITY OF SUCH DAMAGE. 27b0104773SPascal Brand */ 28b0104773SPascal Brand 297315b7b4SJens Wiklander #ifndef __DRIVERS_GIC_H 307315b7b4SJens Wiklander #define __DRIVERS_GIC_H 31ec219598SPascal Brand #include <types_ext.h> 327315b7b4SJens Wiklander #include <kernel/interrupt.h> 33b0104773SPascal Brand 34*2729a4d6SJens Wiklander #define GIC_DIST_REG_SIZE 0x10000 35*2729a4d6SJens Wiklander #define GIC_CPU_REG_SIZE 0x10000 36*2729a4d6SJens Wiklander 377315b7b4SJens Wiklander struct gic_data { 387315b7b4SJens Wiklander vaddr_t gicc_base; 397315b7b4SJens Wiklander vaddr_t gicd_base; 407315b7b4SJens Wiklander size_t max_it; 417315b7b4SJens Wiklander struct itr_chip chip; 427315b7b4SJens Wiklander }; 437315b7b4SJens Wiklander 447315b7b4SJens Wiklander /* 457315b7b4SJens Wiklander * The two gic_init_* functions initializes the struct gic_data which is 467315b7b4SJens Wiklander * then used by the other functions. 477315b7b4SJens Wiklander */ 487315b7b4SJens Wiklander 497315b7b4SJens Wiklander void gic_init(struct gic_data *gd, paddr_t gicc_base, paddr_t gicd_base); 5053bd332aSSY Chiu /* initial base address only */ 517315b7b4SJens Wiklander void gic_init_base_addr(struct gic_data *gd, vaddr_t gicc_base, 527315b7b4SJens Wiklander vaddr_t gicd_base); 53bedc2b9fSsunny /* initial cpu if only, mainly use for secondary cpu setup cpu interface */ 547315b7b4SJens Wiklander void gic_cpu_init(struct gic_data *gd); 55b0104773SPascal Brand 567315b7b4SJens Wiklander void gic_it_handle(struct gic_data *gd); 57b0104773SPascal Brand 587315b7b4SJens Wiklander void gic_dump_state(struct gic_data *gd); 597315b7b4SJens Wiklander #endif /*__DRIVERS_GIC_H*/ 60