diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/ppc/openpic.h | 159 |
1 files changed, 158 insertions, 1 deletions
diff --git a/include/hw/ppc/openpic.h b/include/hw/ppc/openpic.h index 693e981965..5eb982197d 100644 --- a/include/hw/ppc/openpic.h +++ b/include/hw/ppc/openpic.h @@ -2,10 +2,13 @@ #define OPENPIC_H #include "qemu-common.h" +#include "hw/sysbus.h" #include "hw/qdev-core.h" #include "qom/cpu.h" -#define TYPE_OPENPIC "openpic" +#define MAX_CPU 32 +#define MAX_MSI 8 +#define VID 0x03 /* MPIC version ID */ /* OpenPIC have 5 outputs per CPU connected and one IRQ out single output */ enum { @@ -28,4 +31,158 @@ enum { #define OPENPIC_MAX_IRQ (OPENPIC_MAX_SRC + OPENPIC_MAX_IPI + \ OPENPIC_MAX_TMR) +/* 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; + +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 */ + +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 TYPE_OPENPIC "openpic" +#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; + #endif /* OPENPIC_H */ |