diff options
Diffstat (limited to 'hw/intc/openpic.c')
| -rw-r--r-- | hw/intc/openpic.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/hw/intc/openpic.c b/hw/intc/openpic.c index 9159a06f07..811cee9b26 100644 --- a/hw/intc/openpic.c +++ b/hw/intc/openpic.c @@ -63,10 +63,6 @@ static int get_current_cpu(void); } \ } while (0) -#define MAX_CPU 32 -#define MAX_MSI 8 -#define VID 0x03 /* MPIC version ID */ - /* OpenPIC capability flags */ #define OPENPIC_FLAG_IDR_CRIT (1 << 0) #define OPENPIC_FLAG_ILR (2 << 0) @@ -85,35 +81,6 @@ static int get_current_cpu(void); #define OPENPIC_CPU_REG_START 0x20000 #define OPENPIC_CPU_REG_SIZE 0x100 + ((MAX_CPU - 1) * 0x1000) -/* Raven */ -#define RAVEN_MAX_CPU 2 -#define RAVEN_MAX_EXT 48 -#define RAVEN_MAX_IRQ 64 -#define RAVEN_MAX_TMR OPENPIC_MAX_TMR -#define RAVEN_MAX_IPI OPENPIC_MAX_IPI - -/* KeyLargo */ -#define KEYLARGO_MAX_CPU 4 -#define KEYLARGO_MAX_EXT 64 -#define KEYLARGO_MAX_IPI 4 -#define KEYLARGO_MAX_IRQ (64 + KEYLARGO_MAX_IPI) -#define KEYLARGO_MAX_TMR 0 -#define KEYLARGO_IPI_IRQ (KEYLARGO_MAX_EXT) /* First IPI IRQ */ -/* Timers don't exist but this makes the code happy... */ -#define KEYLARGO_TMR_IRQ (KEYLARGO_IPI_IRQ + KEYLARGO_MAX_IPI) - -/* Interrupt definitions */ -#define RAVEN_FE_IRQ (RAVEN_MAX_EXT) /* Internal functional IRQ */ -#define RAVEN_ERR_IRQ (RAVEN_MAX_EXT + 1) /* Error IRQ */ -#define RAVEN_TMR_IRQ (RAVEN_MAX_EXT + 2) /* First timer IRQ */ -#define RAVEN_IPI_IRQ (RAVEN_TMR_IRQ + RAVEN_MAX_TMR) /* First IPI IRQ */ -/* First doorbell IRQ */ -#define RAVEN_DBL_IRQ (RAVEN_IPI_IRQ + (RAVEN_MAX_CPU * RAVEN_MAX_IPI)) - -typedef struct FslMpicInfo { - int max_ext; -} FslMpicInfo; - static FslMpicInfo fsl_mpic_20 = { .max_ext = 12, }; @@ -211,55 +178,6 @@ static void openpic_cpu_write_internal(void *opaque, hwaddr addr, uint32_t val, int idx); static void openpic_reset(DeviceState *d); -typedef enum IRQType { - IRQ_TYPE_NORMAL = 0, - IRQ_TYPE_FSLINT, /* FSL internal interrupt -- level only */ - IRQ_TYPE_FSLSPECIAL, /* FSL timer/IPI interrupt, edge, no polarity */ -} IRQType; - -/* Round up to the nearest 64 IRQs so that the queue length - * won't change when moving between 32 and 64 bit hosts. - */ -#define IRQQUEUE_SIZE_BITS ((OPENPIC_MAX_IRQ + 63) & ~63) - -typedef struct IRQQueue { - unsigned long *queue; - int32_t queue_size; /* Only used for VMSTATE_BITMAP */ - int next; - int priority; -} IRQQueue; - -typedef struct IRQSource { - uint32_t ivpr; /* IRQ vector/priority register */ - uint32_t idr; /* IRQ destination register */ - uint32_t destmask; /* bitmap of CPU destinations */ - int last_cpu; - int output; /* IRQ level, e.g. OPENPIC_OUTPUT_INT */ - int pending; /* TRUE if IRQ is pending */ - IRQType type; - bool level:1; /* level-triggered */ - bool nomask:1; /* critical interrupts ignore mask on some FSL MPICs */ -} IRQSource; - -#define IVPR_MASK_SHIFT 31 -#define IVPR_MASK_MASK (1U << IVPR_MASK_SHIFT) -#define IVPR_ACTIVITY_SHIFT 30 -#define IVPR_ACTIVITY_MASK (1U << IVPR_ACTIVITY_SHIFT) -#define IVPR_MODE_SHIFT 29 -#define IVPR_MODE_MASK (1U << IVPR_MODE_SHIFT) -#define IVPR_POLARITY_SHIFT 23 -#define IVPR_POLARITY_MASK (1U << IVPR_POLARITY_SHIFT) -#define IVPR_SENSE_SHIFT 22 -#define IVPR_SENSE_MASK (1U << IVPR_SENSE_SHIFT) - -#define IVPR_PRIORITY_MASK (0xFU << 16) -#define IVPR_PRIORITY(_ivprr_) ((int)(((_ivprr_) & IVPR_PRIORITY_MASK) >> 16)) -#define IVPR_VECTOR(opp, _ivprr_) ((_ivprr_) & (opp)->vector_mask) - -/* IDR[EP/CI] are only for FSL MPIC prior to v4.0 */ -#define IDR_EP 0x80000000 /* external pin */ -#define IDR_CI 0x40000000 /* critical interrupt */ - /* Convert between openpic clock ticks and nanosecs. In the hardware the clock frequency is driven by board inputs to the PIC which the PIC would then divide by 4 or 8. For now hard code to 25MZ. @@ -275,81 +193,6 @@ static inline uint64_t ticks_to_ns(uint64_t ticks) return ticks * OPENPIC_TIMER_NS_PER_TICK; } -typedef struct OpenPICTimer { - uint32_t tccr; /* Global timer current count register */ - uint32_t tbcr; /* Global timer base count register */ - int n_IRQ; - bool qemu_timer_active; /* Is the qemu_timer is running? */ - struct QEMUTimer *qemu_timer; - struct OpenPICState *opp; /* Device timer is part of. */ - /* The QEMU_CLOCK_VIRTUAL time (in ns) corresponding to the last - current_count written or read, only defined if qemu_timer_active. */ - uint64_t origin_time; -} OpenPICTimer; - -typedef struct OpenPICMSI { - uint32_t msir; /* Shared Message Signaled Interrupt Register */ -} OpenPICMSI; - -typedef struct IRQDest { - int32_t ctpr; /* CPU current task priority */ - IRQQueue raised; - IRQQueue servicing; - qemu_irq *irqs; - - /* Count of IRQ sources asserting on non-INT outputs */ - uint32_t outputs_active[OPENPIC_OUTPUT_NB]; -} IRQDest; - -#define OPENPIC(obj) OBJECT_CHECK(OpenPICState, (obj), TYPE_OPENPIC) - -typedef struct OpenPICState { - /*< private >*/ - SysBusDevice parent_obj; - /*< public >*/ - - MemoryRegion mem; - - /* Behavior control */ - FslMpicInfo *fsl; - uint32_t model; - uint32_t flags; - uint32_t nb_irqs; - uint32_t vid; - uint32_t vir; /* Vendor identification register */ - uint32_t vector_mask; - uint32_t tfrr_reset; - uint32_t ivpr_reset; - uint32_t idr_reset; - uint32_t brr1; - uint32_t mpic_mode_mask; - - /* Sub-regions */ - MemoryRegion sub_io_mem[6]; - - /* Global registers */ - uint32_t frr; /* Feature reporting register */ - uint32_t gcr; /* Global configuration register */ - uint32_t pir; /* Processor initialization register */ - uint32_t spve; /* Spurious vector register */ - uint32_t tfrr; /* Timer frequency reporting register */ - /* Source registers */ - IRQSource src[OPENPIC_MAX_IRQ]; - /* Local registers per output pin */ - IRQDest dst[MAX_CPU]; - uint32_t nb_cpus; - /* Timer registers */ - OpenPICTimer timers[OPENPIC_MAX_TMR]; - uint32_t max_tmr; - - /* Shared MSI registers */ - OpenPICMSI msi[MAX_MSI]; - uint32_t max_irq; - uint32_t irq_ipi0; - uint32_t irq_tim0; - uint32_t irq_msi; -} OpenPICState; - static inline void IRQ_setbit(IRQQueue *q, int n_IRQ) { set_bit(n_IRQ, q->queue); |