forked from mirror/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
|
|
* i.MX31 Vectored Interrupt Controller
|
|
*
|
|
* Note this is NOT the PL192 provided by ARM, but
|
|
* a custom implementation by Freescale.
|
|
*
|
|
* Copyright (c) 2008 OKL
|
|
* Copyright (c) 2011 NICTA Pty Ltd
|
|
* Originally written by Hans Jiang
|
|
* Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
|
|
*
|
|
* This code is licensed under the GPL version 2 or later. See
|
|
* the COPYING file in the top-level directory.
|
|
*
|
|
* TODO: implement vectors.
|
|
*/
|
|
#ifndef IMX_AVIC_H
|
|
#define IMX_AVIC_H
|
|
|
|
#include "hw/sysbus.h"
|
|
#include "qom/object.h"
|
|
|
|
#define TYPE_IMX_AVIC "imx.avic"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(IMXAVICState, IMX_AVIC)
|
|
|
|
#define IMX_AVIC_NUM_IRQS 64
|
|
|
|
/* Interrupt Control Bits */
|
|
#define ABFLAG (1<<25)
|
|
#define ABFEN (1<<24)
|
|
#define NIDIS (1<<22) /* Normal Interrupt disable */
|
|
#define FIDIS (1<<21) /* Fast interrupt disable */
|
|
#define NIAD (1<<20) /* Normal Interrupt Arbiter Rise ARM level */
|
|
#define FIAD (1<<19) /* Fast Interrupt Arbiter Rise ARM level */
|
|
#define NM (1<<18) /* Normal interrupt mode */
|
|
|
|
#define PRIO_PER_WORD (sizeof(uint32_t) * 8 / 4)
|
|
#define PRIO_WORDS (IMX_AVIC_NUM_IRQS/PRIO_PER_WORD)
|
|
|
|
struct IMXAVICState {
|
|
/*< private >*/
|
|
SysBusDevice parent_obj;
|
|
|
|
/*< public >*/
|
|
MemoryRegion iomem;
|
|
uint64_t pending;
|
|
uint64_t enabled;
|
|
uint64_t is_fiq;
|
|
uint32_t intcntl;
|
|
uint32_t intmask;
|
|
qemu_irq irq;
|
|
qemu_irq fiq;
|
|
uint32_t prio[PRIO_WORDS]; /* Priorities are 4-bits each */
|
|
};
|
|
|
|
#endif /* IMX_AVIC_H */
|