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openpic: move OpenPIC state and related definitions to openpic.h 

This is to faciliate access to OpenPICState when wiring up the PIC to the macio
controller.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Mark Cave-Ayland 2018-02-28 20:32:40 +00:00 committed by David Gibson
parent 8d085cf03b
commit f7bd7941d8
2 changed files with 158 additions and 158 deletions
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157
hw/intc/openpic.c
View File

@ -63,10 +63,6 @@ static int get_current_cpu(void);
} \ } \
} while (0) } while (0)
#define MAX_CPU 32
#define MAX_MSI 8
#define VID 0x03 /* MPIC version ID */
/* OpenPIC capability flags */ /* OpenPIC capability flags */
#define OPENPIC_FLAG_IDR_CRIT (1 << 0) #define OPENPIC_FLAG_IDR_CRIT (1 << 0)
#define OPENPIC_FLAG_ILR (2 << 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_START 0x20000
#define OPENPIC_CPU_REG_SIZE 0x100 + ((MAX_CPU - 1) * 0x1000) #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 = { static FslMpicInfo fsl_mpic_20 = {
.max_ext = 12, .max_ext = 12,
}; };
@ -211,55 +178,6 @@ static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
uint32_t val, int idx); uint32_t val, int idx);
static void openpic_reset(DeviceState *d); 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 /* 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 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. 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; 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) static inline void IRQ_setbit(IRQQueue *q, int n_IRQ)
{ {
set_bit(n_IRQ, q->queue); set_bit(n_IRQ, q->queue);

159
include/hw/ppc/openpic.h
View File

@ -2,10 +2,13 @@
#define OPENPIC_H #define OPENPIC_H
#include "qemu-common.h" #include "qemu-common.h"
#include "hw/sysbus.h"
#include "hw/qdev-core.h" #include "hw/qdev-core.h"
#include "qom/cpu.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 */ /* OpenPIC have 5 outputs per CPU connected and one IRQ out single output */
enum { enum {
@ -28,4 +31,158 @@ enum {
#define OPENPIC_MAX_IRQ (OPENPIC_MAX_SRC + OPENPIC_MAX_IPI + \ #define OPENPIC_MAX_IRQ (OPENPIC_MAX_SRC + OPENPIC_MAX_IPI + \
OPENPIC_MAX_TMR) 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 */ #endif /* OPENPIC_H */