1 /* 2 * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef __ARM_GIC_H__ 32 #define __ARM_GIC_H__ 33 34 #include <stdint.h> 35 36 /******************************************************************************* 37 * Function declarations 38 ******************************************************************************/ 39 void arm_gic_init(unsigned int gicc_base, 40 unsigned int gicd_base, 41 unsigned long gicr_base, 42 const unsigned int *irq_sec_ptr, 43 unsigned int num_irqs); 44 void arm_gic_setup(void); 45 void arm_gic_cpuif_deactivate(void); 46 void arm_gic_cpuif_setup(void); 47 void arm_gic_pcpu_distif_setup(void); 48 49 uint32_t arm_gic_interrupt_type_to_line(uint32_t type, 50 uint32_t security_state); 51 uint32_t arm_gic_get_pending_interrupt_type(void); 52 uint32_t arm_gic_get_pending_interrupt_id(void); 53 uint32_t arm_gic_acknowledge_interrupt(void); 54 void arm_gic_end_of_interrupt(uint32_t id); 55 uint32_t arm_gic_get_interrupt_type(uint32_t id); 56 57 #endif /* __GIC_H__ */ 58
