/*- * Copyright (c) 2016 The FreeBSD Foundation * All rights reserved. * * This software was developed by Andrew Turner under * the sponsorship of the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _GIC_COMMON_H_ #define _GIC_COMMON_H_ #define GIC_IVAR_HW_REV 500 #define GIC_IVAR_BUS 501 /* GIC_IVAR_BUS values */ #define GIC_BUS_UNKNOWN 0 #define GIC_BUS_FDT 1 #define GIC_BUS_ACPI 2 #define GIC_BUS_MAX 2 __BUS_ACCESSOR(gic, hw_rev, GIC, HW_REV, u_int); __BUS_ACCESSOR(gic, bus, GIC, BUS, u_int); /* Software Generated Interrupts */ #define GIC_FIRST_SGI 0 /* Irqs 0-15 are SGIs/IPIs. */ #define GIC_LAST_SGI 15 /* Private Peripheral Interrupts */ #define GIC_FIRST_PPI 16 /* Irqs 16-31 are private (per */ #define GIC_LAST_PPI 31 /* core) peripheral interrupts. */ /* Shared Peripheral Interrupts */ #define GIC_FIRST_SPI 32 /* Irqs 32+ are shared peripherals. */ /* Common register values */ #define GICD_CTLR 0x0000 /* v1 ICDDCR */ #define GICD_TYPER 0x0004 /* v1 ICDICTR */ #define GICD_TYPER_I_NUM(n) ((((n) & 0x1F) + 1) * 32) #define GICD_IIDR 0x0008 /* v1 ICDIIDR */ #define GICD_IIDR_PROD_SHIFT 24 #define GICD_IIDR_PROD_MASK 0xff000000 #define GICD_IIDR_PROD(x) \ (((x) & GICD_IIDR_PROD_MASK) >> GICD_IIDR_PROD_SHIFT) #define GICD_IIDR_VAR_SHIFT 16 #define GICD_IIDR_VAR_MASK 0x000f0000 #define GICD_IIDR_VAR(x) \ (((x) & GICD_IIDR_VAR_MASK) >> GICD_IIDR_VAR_SHIFT) #define GICD_IIDR_REV_SHIFT 12 #define GICD_IIDR_REV_MASK 0x0000f000 #define GICD_IIDR_REV(x) \ (((x) & GICD_IIDR_REV_MASK) >> GICD_IIDR_REV_SHIFT) #define GICD_IIDR_IMPL_SHIFT 0 #define GICD_IIDR_IMPL_MASK 0x00000fff #define GICD_IIDR_IMPL(x) \ (((x) & GICD_IIDR_IMPL_MASK) >> GICD_IIDR_IMPL_SHIFT) #define GICD_IGROUPR(n) (0x0080 + (((n) >> 5) * 4)) /* v1 ICDISER */ #define GICD_I_PER_IGROUPRn 32 #define GICD_ISENABLER(n) (0x0100 + (((n) >> 5) * 4)) /* v1 ICDISER */ #define GICD_I_MASK(n) (1ul << ((n) & 0x1f)) #define GICD_I_PER_ISENABLERn 32 #define GICD_ICENABLER(n) (0x0180 + (((n) >> 5) * 4)) /* v1 ICDICER */ #define GICD_ISPENDR(n) (0x0200 + (((n) >> 5) * 4)) /* v1 ICDISPR */ #define GICD_ICPENDR(n) (0x0280 + (((n) >> 5) * 4)) /* v1 ICDICPR */ #define GICD_ICACTIVER(n) (0x0380 + (((n) >> 5) * 4)) /* v1 ICDABR */ #define GICD_IPRIORITYR(n) (0x0400 + (((n) >> 2) * 4)) /* v1 ICDIPR */ #define GICD_I_PER_IPRIORITYn 4 #define GICD_ITARGETSR(n) (0x0800 + (((n) >> 2) * 4)) /* v1 ICDIPTR */ #define GICD_ICFGR(n) (0x0C00 + (((n) >> 4) * 4)) /* v1 ICDICFR */ #define GICD_I_PER_ICFGRn 16 /* First bit is a polarity bit (0 - low, 1 - high) */ #define GICD_ICFGR_POL_LOW (0 << 0) #define GICD_ICFGR_POL_HIGH (1 << 0) #define GICD_ICFGR_POL_MASK 0x1 /* Second bit is a trigger bit (0 - level, 1 - edge) */ #define GICD_ICFGR_TRIG_LVL (0 << 1) #define GICD_ICFGR_TRIG_EDGE (1 << 1) #define GICD_ICFGR_TRIG_MASK 0x2 #define GICD_SGIR 0x0F00 /* v1 ICDSGIR */ #define GICD_SGI_TARGET_SHIFT 16 #endif /* _GIC_COMMON_H_ */ |