* Serial interrupts, as implemented in Raven chipset are not supported yet.
*
*/
-#include "hw.h"
-#include "ppc_mac.h"
-#include "pci/pci.h"
-#include "openpic.h"
-#include "sysbus.h"
-#include "pci/msi.h"
+#include "hw/hw.h"
+#include "hw/ppc/mac.h"
+#include "hw/pci/pci.h"
+#include "hw/openpic.h"
+#include "hw/sysbus.h"
+#include "hw/pci/msi.h"
+#include "qemu/bitops.h"
+#include "hw/ppc.h"
//#define DEBUG_OPENPIC
} \
} while (0)
-#define MAX_CPU 15
+#define MAX_CPU 32
#define MAX_SRC 256
#define MAX_TMR 4
#define MAX_IPI 4
/* OpenPIC capability flags */
#define OPENPIC_FLAG_IDR_CRIT (1 << 0)
+#define OPENPIC_FLAG_ILR (2 << 0)
/* OpenPIC address map */
#define OPENPIC_GLB_REG_START 0x0
#define OPENPIC_TMR_REG_SIZE 0x220
#define OPENPIC_MSI_REG_START 0x1600
#define OPENPIC_MSI_REG_SIZE 0x200
+#define OPENPIC_SUMMARY_REG_START 0x3800
+#define OPENPIC_SUMMARY_REG_SIZE 0x800
#define OPENPIC_SRC_REG_START 0x10000
#define OPENPIC_SRC_REG_SIZE (MAX_SRC * 0x20)
#define OPENPIC_CPU_REG_START 0x20000
/* First doorbell IRQ */
#define RAVEN_DBL_IRQ (RAVEN_IPI_IRQ + (RAVEN_MAX_CPU * RAVEN_MAX_IPI))
-/* FSL_MPIC_20 */
-#define FSL_MPIC_20_MAX_CPU 1
-#define FSL_MPIC_20_MAX_EXT 12
-#define FSL_MPIC_20_MAX_INT 64
-#define FSL_MPIC_20_MAX_IRQ MAX_IRQ
+typedef struct FslMpicInfo {
+ int max_ext;
+} FslMpicInfo;
-/* Interrupt definitions */
-/* IRQs, accessible through the IRQ region */
-#define FSL_MPIC_20_EXT_IRQ 0x00
-#define FSL_MPIC_20_INT_IRQ 0x10
-#define FSL_MPIC_20_MSG_IRQ 0xb0
-#define FSL_MPIC_20_MSI_IRQ 0xe0
-/* These are available through separate regions, but
- for simplicity's sake mapped into the same number space */
-#define FSL_MPIC_20_TMR_IRQ 0x100
-#define FSL_MPIC_20_IPI_IRQ 0x104
+static FslMpicInfo fsl_mpic_20 = {
+ .max_ext = 12,
+};
-/*
- * Block Revision Register1 (BRR1): QEMU does not fully emulate
- * any version on MPIC. So to start with, set the IP version to 0.
- *
- * NOTE: This is Freescale MPIC specific register. Keep it here till
- * this code is refactored for different variants of OPENPIC and MPIC.
- */
-#define FSL_BRR1_IPID (0x0040 << 16) /* 16 bit IP-block ID */
-#define FSL_BRR1_IPMJ (0x00 << 8) /* 8 bit IP major number */
-#define FSL_BRR1_IPMN 0x00 /* 8 bit IP minor number */
+static FslMpicInfo fsl_mpic_42 = {
+ .max_ext = 12,
+};
#define FRR_NIRQ_SHIFT 16
#define FRR_NCPU_SHIFT 8
#define VIR_GENERIC 0x00000000 /* Generic Vendor ID */
#define GCR_RESET 0x80000000
+#define GCR_MODE_PASS 0x00000000
+#define GCR_MODE_MIXED 0x20000000
+#define GCR_MODE_PROXY 0x60000000
#define TBCR_CI 0x80000000 /* count inhibit */
#define TCCR_TOG 0x80000000 /* toggles when decrement to zero */
#define IDR_P1_SHIFT 1
#define IDR_P0_SHIFT 0
-#define MSIIR_OFFSET 0x140
-#define MSIIR_SRS_SHIFT 29
-#define MSIIR_SRS_MASK (0x7 << MSIIR_SRS_SHIFT)
-#define MSIIR_IBS_SHIFT 24
-#define MSIIR_IBS_MASK (0x1f << MSIIR_IBS_SHIFT)
+#define ILR_INTTGT_MASK 0x000000ff
+#define ILR_INTTGT_INT 0x00
+#define ILR_INTTGT_CINT 0x01 /* critical */
+#define ILR_INTTGT_MCP 0x02 /* machine check */
-#define BF_WIDTH(_bits_) \
-(((_bits_) + (sizeof(uint32_t) * 8) - 1) / (sizeof(uint32_t) * 8))
+/* The currently supported INTTGT values happen to be the same as QEMU's
+ * openpic output codes, but don't depend on this. The output codes
+ * could change (unlikely, but...) or support could be added for
+ * more INTTGT values.
+ */
+static const int inttgt_output[][2] = {
+ { ILR_INTTGT_INT, OPENPIC_OUTPUT_INT },
+ { ILR_INTTGT_CINT, OPENPIC_OUTPUT_CINT },
+ { ILR_INTTGT_MCP, OPENPIC_OUTPUT_MCK },
+};
-static inline void set_bit(uint32_t *field, int bit)
+static int inttgt_to_output(int inttgt)
{
- field[bit >> 5] |= 1 << (bit & 0x1F);
-}
+ int i;
-static inline void reset_bit(uint32_t *field, int bit)
-{
- field[bit >> 5] &= ~(1 << (bit & 0x1F));
+ for (i = 0; i < ARRAY_SIZE(inttgt_output); i++) {
+ if (inttgt_output[i][0] == inttgt) {
+ return inttgt_output[i][1];
+ }
+ }
+
+ fprintf(stderr, "%s: unsupported inttgt %d\n", __func__, inttgt);
+ return OPENPIC_OUTPUT_INT;
}
-static inline int test_bit(uint32_t *field, int bit)
+static int output_to_inttgt(int output)
{
- return (field[bit >> 5] & 1 << (bit & 0x1F)) != 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(inttgt_output); i++) {
+ if (inttgt_output[i][1] == output) {
+ return inttgt_output[i][0];
+ }
+ }
+
+ abort();
}
+#define MSIIR_OFFSET 0x140
+#define MSIIR_SRS_SHIFT 29
+#define MSIIR_SRS_MASK (0x7 << MSIIR_SRS_SHIFT)
+#define MSIIR_IBS_SHIFT 24
+#define MSIIR_IBS_MASK (0x1f << MSIIR_IBS_SHIFT)
+
static int get_current_cpu(void)
{
+ CPUState *cpu_single_cpu;
+
if (!cpu_single_env) {
return -1;
}
- return cpu_single_env->cpu_index;
+ cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
+ return cpu_single_cpu->cpu_index;
}
static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
uint32_t val, int idx);
+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;
+
typedef struct IRQQueue {
- uint32_t queue[BF_WIDTH(MAX_IRQ)];
+ /* Round up to the nearest 64 IRQs so that the queue length
+ * won't change when moving between 32 and 64 bit hosts.
+ */
+ unsigned long queue[BITS_TO_LONGS((MAX_IRQ + 63) & ~63)];
int next;
int priority;
- int pending; /* nr of pending bits in queue */
} 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 IDR_CI 0x40000000 /* critical interrupt */
typedef struct IRQDest {
- uint32_t ctpr; /* CPU current task priority */
+ 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;
typedef struct OpenPICState {
MemoryRegion mem;
/* Behavior control */
+ FslMpicInfo *fsl;
uint32_t model;
uint32_t flags;
uint32_t nb_irqs;
uint32_t ivpr_reset;
uint32_t idr_reset;
uint32_t brr1;
+ uint32_t mpic_mode_mask;
/* Sub-regions */
- MemoryRegion sub_io_mem[5];
+ MemoryRegion sub_io_mem[6];
/* Global registers */
uint32_t frr; /* Feature reporting register */
uint32_t irq_msi;
} OpenPICState;
-static void openpic_irq_raise(OpenPICState *opp, int n_CPU, IRQSource *src);
-
static inline void IRQ_setbit(IRQQueue *q, int n_IRQ)
{
- q->pending++;
- set_bit(q->queue, n_IRQ);
+ set_bit(n_IRQ, q->queue);
}
static inline void IRQ_resetbit(IRQQueue *q, int n_IRQ)
{
- q->pending--;
- reset_bit(q->queue, n_IRQ);
+ clear_bit(n_IRQ, q->queue);
}
static inline int IRQ_testbit(IRQQueue *q, int n_IRQ)
{
- return test_bit(q->queue, n_IRQ);
+ return test_bit(n_IRQ, q->queue);
}
static void IRQ_check(OpenPICState *opp, IRQQueue *q)
{
- int next, i;
- int priority;
-
- next = -1;
- priority = -1;
+ int irq = -1;
+ int next = -1;
+ int priority = -1;
+
+ for (;;) {
+ irq = find_next_bit(q->queue, opp->max_irq, irq + 1);
+ if (irq == opp->max_irq) {
+ break;
+ }
- if (!q->pending) {
- /* IRQ bitmap is empty */
- goto out;
- }
+ DPRINTF("IRQ_check: irq %d set ivpr_pr=%d pr=%d\n",
+ irq, IVPR_PRIORITY(opp->src[irq].ivpr), priority);
- for (i = 0; i < opp->max_irq; i++) {
- if (IRQ_testbit(q, i)) {
- DPRINTF("IRQ_check: irq %d set ivpr_pr=%d pr=%d\n",
- i, IVPR_PRIORITY(opp->src[i].ivpr), priority);
- if (IVPR_PRIORITY(opp->src[i].ivpr) > priority) {
- next = i;
- priority = IVPR_PRIORITY(opp->src[i].ivpr);
- }
+ if (IVPR_PRIORITY(opp->src[irq].ivpr) > priority) {
+ next = irq;
+ priority = IVPR_PRIORITY(opp->src[irq].ivpr);
}
}
-out:
q->next = next;
q->priority = priority;
}
static int IRQ_get_next(OpenPICState *opp, IRQQueue *q)
{
- if (q->next == -1) {
- /* XXX: optimize */
- IRQ_check(opp, q);
- }
+ /* XXX: optimize */
+ IRQ_check(opp, q);
return q->next;
}
-static void IRQ_local_pipe(OpenPICState *opp, int n_CPU, int n_IRQ)
+static void IRQ_local_pipe(OpenPICState *opp, int n_CPU, int n_IRQ,
+ bool active, bool was_active)
{
IRQDest *dst;
IRQSource *src;
dst = &opp->dst[n_CPU];
src = &opp->src[n_IRQ];
- priority = IVPR_PRIORITY(src->ivpr);
- if (priority <= dst->ctpr) {
- /* Too low priority */
- DPRINTF("%s: IRQ %d has too low priority on CPU %d\n",
- __func__, n_IRQ, n_CPU);
+
+ DPRINTF("%s: IRQ %d active %d was %d\n",
+ __func__, n_IRQ, active, was_active);
+
+ if (src->output != OPENPIC_OUTPUT_INT) {
+ DPRINTF("%s: output %d irq %d active %d was %d count %d\n",
+ __func__, src->output, n_IRQ, active, was_active,
+ dst->outputs_active[src->output]);
+
+ /* On Freescale MPIC, critical interrupts ignore priority,
+ * IACK, EOI, etc. Before MPIC v4.1 they also ignore
+ * masking.
+ */
+ if (active) {
+ if (!was_active && dst->outputs_active[src->output]++ == 0) {
+ DPRINTF("%s: Raise OpenPIC output %d cpu %d irq %d\n",
+ __func__, src->output, n_CPU, n_IRQ);
+ qemu_irq_raise(dst->irqs[src->output]);
+ }
+ } else {
+ if (was_active && --dst->outputs_active[src->output] == 0) {
+ DPRINTF("%s: Lower OpenPIC output %d cpu %d irq %d\n",
+ __func__, src->output, n_CPU, n_IRQ);
+ qemu_irq_lower(dst->irqs[src->output]);
+ }
+ }
+
return;
}
- if (IRQ_testbit(&dst->raised, n_IRQ)) {
- /* Interrupt miss */
- DPRINTF("%s: IRQ %d was missed on CPU %d\n",
- __func__, n_IRQ, n_CPU);
- return;
+
+ priority = IVPR_PRIORITY(src->ivpr);
+
+ /* Even if the interrupt doesn't have enough priority,
+ * it is still raised, in case ctpr is lowered later.
+ */
+ if (active) {
+ IRQ_setbit(&dst->raised, n_IRQ);
+ } else {
+ IRQ_resetbit(&dst->raised, n_IRQ);
}
- src->ivpr |= IVPR_ACTIVITY_MASK;
- IRQ_setbit(&dst->raised, n_IRQ);
- if (priority < dst->raised.priority) {
- /* An higher priority IRQ is already raised */
- DPRINTF("%s: IRQ %d is hidden by raised IRQ %d on CPU %d\n",
- __func__, n_IRQ, dst->raised.next, n_CPU);
- return;
+
+ IRQ_check(opp, &dst->raised);
+
+ if (active && priority <= dst->ctpr) {
+ DPRINTF("%s: IRQ %d priority %d too low for ctpr %d on CPU %d\n",
+ __func__, n_IRQ, priority, dst->ctpr, n_CPU);
+ active = 0;
}
- IRQ_get_next(opp, &dst->raised);
- if (IRQ_get_next(opp, &dst->servicing) != -1 &&
- priority <= dst->servicing.priority) {
- DPRINTF("%s: IRQ %d is hidden by servicing IRQ %d on CPU %d\n",
- __func__, n_IRQ, dst->servicing.next, n_CPU);
- /* Already servicing a higher priority IRQ */
- return;
+
+ if (active) {
+ if (IRQ_get_next(opp, &dst->servicing) >= 0 &&
+ priority <= dst->servicing.priority) {
+ DPRINTF("%s: IRQ %d is hidden by servicing IRQ %d on CPU %d\n",
+ __func__, n_IRQ, dst->servicing.next, n_CPU);
+ } else {
+ DPRINTF("%s: Raise OpenPIC INT output cpu %d irq %d/%d\n",
+ __func__, n_CPU, n_IRQ, dst->raised.next);
+ qemu_irq_raise(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
+ }
+ } else {
+ IRQ_get_next(opp, &dst->servicing);
+ if (dst->raised.priority > dst->ctpr &&
+ dst->raised.priority > dst->servicing.priority) {
+ DPRINTF("%s: IRQ %d inactive, IRQ %d prio %d above %d/%d, CPU %d\n",
+ __func__, n_IRQ, dst->raised.next, dst->raised.priority,
+ dst->ctpr, dst->servicing.priority, n_CPU);
+ /* IRQ line stays asserted */
+ } else {
+ DPRINTF("%s: IRQ %d inactive, current prio %d/%d, CPU %d\n",
+ __func__, n_IRQ, dst->ctpr, dst->servicing.priority, n_CPU);
+ qemu_irq_lower(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
+ }
}
- DPRINTF("Raise OpenPIC INT output cpu %d irq %d\n", n_CPU, n_IRQ);
- openpic_irq_raise(opp, n_CPU, src);
}
/* update pic state because registers for n_IRQ have changed value */
static void openpic_update_irq(OpenPICState *opp, int n_IRQ)
{
IRQSource *src;
+ bool active, was_active;
int i;
src = &opp->src[n_IRQ];
+ active = src->pending;
- if (!src->pending) {
- /* no irq pending */
- DPRINTF("%s: IRQ %d is not pending\n", __func__, n_IRQ);
- return;
- }
- if (src->ivpr & IVPR_MASK_MASK) {
+ if ((src->ivpr & IVPR_MASK_MASK) && !src->nomask) {
/* Interrupt source is disabled */
DPRINTF("%s: IRQ %d is disabled\n", __func__, n_IRQ);
- return;
+ active = false;
}
- if (IVPR_PRIORITY(src->ivpr) == 0) {
- /* Priority set to zero */
- DPRINTF("%s: IRQ %d has 0 priority\n", __func__, n_IRQ);
+
+ was_active = !!(src->ivpr & IVPR_ACTIVITY_MASK);
+
+ /*
+ * We don't have a similar check for already-active because
+ * ctpr may have changed and we need to withdraw the interrupt.
+ */
+ if (!active && !was_active) {
+ DPRINTF("%s: IRQ %d is already inactive\n", __func__, n_IRQ);
return;
}
- if (src->ivpr & IVPR_ACTIVITY_MASK) {
- /* IRQ already active */
- DPRINTF("%s: IRQ %d is already active\n", __func__, n_IRQ);
- return;
+
+ if (active) {
+ src->ivpr |= IVPR_ACTIVITY_MASK;
+ } else {
+ src->ivpr &= ~IVPR_ACTIVITY_MASK;
}
- if (src->idr == 0) {
+
+ if (src->destmask == 0) {
/* No target */
DPRINTF("%s: IRQ %d has no target\n", __func__, n_IRQ);
return;
}
- if (src->idr == (1 << src->last_cpu)) {
+ if (src->destmask == (1 << src->last_cpu)) {
/* Only one CPU is allowed to receive this IRQ */
- IRQ_local_pipe(opp, src->last_cpu, n_IRQ);
+ IRQ_local_pipe(opp, src->last_cpu, n_IRQ, active, was_active);
} else if (!(src->ivpr & IVPR_MODE_MASK)) {
/* Directed delivery mode */
for (i = 0; i < opp->nb_cpus; i++) {
- if (src->idr & (1 << i)) {
- IRQ_local_pipe(opp, i, n_IRQ);
+ if (src->destmask & (1 << i)) {
+ IRQ_local_pipe(opp, i, n_IRQ, active, was_active);
}
}
} else {
if (i == opp->nb_cpus) {
i = 0;
}
- if (src->idr & (1 << i)) {
- IRQ_local_pipe(opp, i, n_IRQ);
+ if (src->destmask & (1 << i)) {
+ IRQ_local_pipe(opp, i, n_IRQ, active, was_active);
src->last_cpu = i;
break;
}
OpenPICState *opp = opaque;
IRQSource *src;
+ if (n_IRQ >= MAX_IRQ) {
+ fprintf(stderr, "%s: IRQ %d out of range\n", __func__, n_IRQ);
+ abort();
+ }
+
src = &opp->src[n_IRQ];
DPRINTF("openpic: set irq %d = %d ivpr=0x%08x\n",
n_IRQ, level, src->ivpr);
- if (src->ivpr & IVPR_SENSE_MASK) {
+ if (src->level) {
/* level-sensitive irq */
src->pending = level;
- if (!level) {
- src->ivpr &= ~IVPR_ACTIVITY_MASK;
- }
+ openpic_update_irq(opp, n_IRQ);
} else {
/* edge-sensitive irq */
if (level) {
src->pending = 1;
+ openpic_update_irq(opp, n_IRQ);
+ }
+
+ if (src->output != OPENPIC_OUTPUT_INT) {
+ /* Edge-triggered interrupts shouldn't be used
+ * with non-INT delivery, but just in case,
+ * try to make it do something sane rather than
+ * cause an interrupt storm. This is close to
+ * what you'd probably see happen in real hardware.
+ */
+ src->pending = 0;
+ openpic_update_irq(opp, n_IRQ);
}
}
- openpic_update_irq(opp, n_IRQ);
}
static void openpic_reset(DeviceState *d)
{
- OpenPICState *opp = FROM_SYSBUS(typeof (*opp), sysbus_from_qdev(d));
+ OpenPICState *opp = FROM_SYSBUS(typeof(*opp), SYS_BUS_DEVICE(d));
int i;
opp->gcr = GCR_RESET;
for (i = 0; i < opp->max_irq; i++) {
opp->src[i].ivpr = opp->ivpr_reset;
opp->src[i].idr = opp->idr_reset;
+
+ switch (opp->src[i].type) {
+ case IRQ_TYPE_NORMAL:
+ opp->src[i].level = !!(opp->ivpr_reset & IVPR_SENSE_MASK);
+ break;
+
+ case IRQ_TYPE_FSLINT:
+ opp->src[i].ivpr |= IVPR_POLARITY_MASK;
+ break;
+
+ case IRQ_TYPE_FSLSPECIAL:
+ break;
+ }
}
/* Initialise IRQ destinations */
for (i = 0; i < MAX_CPU; i++) {
return opp->src[n_IRQ].idr;
}
+static inline uint32_t read_IRQreg_ilr(OpenPICState *opp, int n_IRQ)
+{
+ if (opp->flags & OPENPIC_FLAG_ILR) {
+ return output_to_inttgt(opp->src[n_IRQ].output);
+ }
+
+ return 0xffffffff;
+}
+
static inline uint32_t read_IRQreg_ivpr(OpenPICState *opp, int n_IRQ)
{
return opp->src[n_IRQ].ivpr;
static inline void write_IRQreg_idr(OpenPICState *opp, int n_IRQ, uint32_t val)
{
- uint32_t tmp;
+ IRQSource *src = &opp->src[n_IRQ];
+ uint32_t normal_mask = (1UL << opp->nb_cpus) - 1;
+ uint32_t crit_mask = 0;
+ uint32_t mask = normal_mask;
+ int crit_shift = IDR_EP_SHIFT - opp->nb_cpus;
+ int i;
+
+ if (opp->flags & OPENPIC_FLAG_IDR_CRIT) {
+ crit_mask = mask << crit_shift;
+ mask |= crit_mask | IDR_EP;
+ }
+
+ src->idr = val & mask;
+ DPRINTF("Set IDR %d to 0x%08x\n", n_IRQ, src->idr);
+
+ if (opp->flags & OPENPIC_FLAG_IDR_CRIT) {
+ if (src->idr & crit_mask) {
+ if (src->idr & normal_mask) {
+ DPRINTF("%s: IRQ configured for multiple output types, using "
+ "critical\n", __func__);
+ }
+
+ src->output = OPENPIC_OUTPUT_CINT;
+ src->nomask = true;
+ src->destmask = 0;
+
+ for (i = 0; i < opp->nb_cpus; i++) {
+ int n_ci = IDR_CI0_SHIFT - i;
+
+ if (src->idr & (1UL << n_ci)) {
+ src->destmask |= 1UL << i;
+ }
+ }
+ } else {
+ src->output = OPENPIC_OUTPUT_INT;
+ src->nomask = false;
+ src->destmask = src->idr & normal_mask;
+ }
+ } else {
+ src->destmask = src->idr;
+ }
+}
+
+static inline void write_IRQreg_ilr(OpenPICState *opp, int n_IRQ, uint32_t val)
+{
+ if (opp->flags & OPENPIC_FLAG_ILR) {
+ IRQSource *src = &opp->src[n_IRQ];
+
+ src->output = inttgt_to_output(val & ILR_INTTGT_MASK);
+ DPRINTF("Set ILR %d to 0x%08x, output %d\n", n_IRQ, src->idr,
+ src->output);
- tmp = val & (IDR_EP | IDR_CI);
- tmp |= val & ((1ULL << MAX_CPU) - 1);
- opp->src[n_IRQ].idr = tmp;
- DPRINTF("Set IDR %d to 0x%08x\n", n_IRQ, opp->src[n_IRQ].idr);
+ /* TODO: on MPIC v4.0 only, set nomask for non-INT */
+ }
}
static inline void write_IRQreg_ivpr(OpenPICState *opp, int n_IRQ, uint32_t val)
{
- /* NOTE: not fully accurate for special IRQs, but simple and sufficient */
+ uint32_t mask;
+
+ /* NOTE when implementing newer FSL MPIC models: starting with v4.0,
+ * the polarity bit is read-only on internal interrupts.
+ */
+ mask = IVPR_MASK_MASK | IVPR_PRIORITY_MASK | IVPR_SENSE_MASK |
+ IVPR_POLARITY_MASK | opp->vector_mask;
+
/* ACTIVITY bit is read-only */
- opp->src[n_IRQ].ivpr = (opp->src[n_IRQ].ivpr & IVPR_ACTIVITY_MASK) |
- (val & (IVPR_MASK_MASK | IVPR_PRIORITY_MASK | opp->vector_mask));
+ opp->src[n_IRQ].ivpr =
+ (opp->src[n_IRQ].ivpr & IVPR_ACTIVITY_MASK) | (val & mask);
+
+ /* For FSL internal interrupts, The sense bit is reserved and zero,
+ * and the interrupt is always level-triggered. Timers and IPIs
+ * have no sense or polarity bits, and are edge-triggered.
+ */
+ switch (opp->src[n_IRQ].type) {
+ case IRQ_TYPE_NORMAL:
+ opp->src[n_IRQ].level = !!(opp->src[n_IRQ].ivpr & IVPR_SENSE_MASK);
+ break;
+
+ case IRQ_TYPE_FSLINT:
+ opp->src[n_IRQ].ivpr &= ~IVPR_SENSE_MASK;
+ break;
+
+ case IRQ_TYPE_FSLSPECIAL:
+ opp->src[n_IRQ].ivpr &= ~(IVPR_POLARITY_MASK | IVPR_SENSE_MASK);
+ break;
+ }
+
openpic_update_irq(opp, n_IRQ);
DPRINTF("Set IVPR %d to 0x%08x -> 0x%08x\n", n_IRQ, val,
opp->src[n_IRQ].ivpr);
}
+static void openpic_gcr_write(OpenPICState *opp, uint64_t val)
+{
+ bool mpic_proxy = false;
+
+ if (val & GCR_RESET) {
+ openpic_reset(&opp->busdev.qdev);
+ return;
+ }
+
+ opp->gcr &= ~opp->mpic_mode_mask;
+ opp->gcr |= val & opp->mpic_mode_mask;
+
+ /* Set external proxy mode */
+ if ((val & opp->mpic_mode_mask) == GCR_MODE_PROXY) {
+ mpic_proxy = true;
+ }
+
+ ppce500_set_mpic_proxy(mpic_proxy);
+}
+
static void openpic_gbl_write(void *opaque, hwaddr addr, uint64_t val,
unsigned len)
{
case 0x1000: /* FRR */
break;
case 0x1020: /* GCR */
- if (val & GCR_RESET) {
- openpic_reset(&opp->busdev.qdev);
- }
+ openpic_gcr_write(opp, val);
break;
case 0x1080: /* VIR */
break;
OpenPICState *opp = opaque;
int idx;
+ addr += 0x10f0;
+
DPRINTF("%s: addr %#" HWADDR_PRIx " <= %08" PRIx64 "\n",
__func__, addr, val);
if (addr & 0xF) {
return;
}
- idx = (addr >> 6) & 0x3;
- addr = addr & 0x30;
- if (addr == 0x0) {
+ if (addr == 0x10f0) {
/* TFRR */
opp->tfrr = val;
return;
}
+
+ idx = (addr >> 6) & 0x3;
+ addr = addr & 0x30;
+
switch (addr & 0x30) {
case 0x00: /* TCCR */
break;
DPRINTF("%s: addr %#" HWADDR_PRIx " <= %08" PRIx64 "\n",
__func__, addr, val);
- if (addr & 0xF) {
- return;
- }
- addr = addr & 0xFFF0;
+
+ addr = addr & 0xffff;
idx = addr >> 5;
- if (addr & 0x10) {
- /* EXDE / IFEDE / IEEDE */
- write_IRQreg_idr(opp, idx, val);
- } else {
- /* EXVP / IFEVP / IEEVP */
+
+ switch (addr & 0x1f) {
+ case 0x00:
write_IRQreg_ivpr(opp, idx, val);
+ break;
+ case 0x10:
+ write_IRQreg_idr(opp, idx, val);
+ break;
+ case 0x18:
+ write_IRQreg_ilr(opp, idx, val);
+ break;
}
}
DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
retval = 0xFFFFFFFF;
- if (addr & 0xF) {
- return retval;
- }
- addr = addr & 0xFFF0;
+
+ addr = addr & 0xffff;
idx = addr >> 5;
- if (addr & 0x10) {
- /* EXDE / IFEDE / IEEDE */
- retval = read_IRQreg_idr(opp, idx);
- } else {
- /* EXVP / IFEVP / IEEVP */
+
+ switch (addr & 0x1f) {
+ case 0x00:
retval = read_IRQreg_ivpr(opp, idx);
+ break;
+ case 0x10:
+ retval = read_IRQreg_idr(opp, idx);
+ break;
+ case 0x18:
+ retval = read_IRQreg_ilr(opp, idx);
+ break;
}
- DPRINTF("%s: => 0x%08x\n", __func__, retval);
+ DPRINTF("%s: => 0x%08x\n", __func__, retval);
return retval;
}
return r;
}
+static uint64_t openpic_summary_read(void *opaque, hwaddr addr, unsigned size)
+{
+ uint64_t r = 0;
+
+ DPRINTF("%s: addr %#" HWADDR_PRIx "\n", __func__, addr);
+
+ /* TODO: EISR/EIMR */
+
+ return r;
+}
+
+static void openpic_summary_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
+{
+ DPRINTF("%s: addr %#" HWADDR_PRIx " <= 0x%08" PRIx64 "\n",
+ __func__, addr, val);
+
+ /* TODO: EISR/EIMR */
+}
+
static void openpic_cpu_write_internal(void *opaque, hwaddr addr,
uint32_t val, int idx)
{
case 0x70:
idx = (addr - 0x40) >> 4;
/* we use IDE as mask which CPUs to deliver the IPI to still. */
- write_IRQreg_idr(opp, opp->irq_ipi0 + idx,
- opp->src[opp->irq_ipi0 + idx].idr | val);
+ opp->src[opp->irq_ipi0 + idx].destmask |= val;
openpic_set_irq(opp, opp->irq_ipi0 + idx, 1);
openpic_set_irq(opp, opp->irq_ipi0 + idx, 0);
break;
case 0x80: /* CTPR */
dst->ctpr = val & 0x0000000F;
+
+ DPRINTF("%s: set CPU %d ctpr to %d, raised %d servicing %d\n",
+ __func__, idx, dst->ctpr, dst->raised.priority,
+ dst->servicing.priority);
+
+ if (dst->raised.priority <= dst->ctpr) {
+ DPRINTF("%s: Lower OpenPIC INT output cpu %d due to ctpr\n",
+ __func__, idx);
+ qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_INT]);
+ } else if (dst->raised.priority > dst->servicing.priority) {
+ DPRINTF("%s: Raise OpenPIC INT output cpu %d irq %d\n",
+ __func__, idx, dst->raised.next);
+ qemu_irq_raise(dst->irqs[OPENPIC_OUTPUT_INT]);
+ }
+
break;
case 0x90: /* WHOAMI */
/* Read-only register */
case 0xB0: /* EOI */
DPRINTF("EOI\n");
s_IRQ = IRQ_get_next(opp, &dst->servicing);
+
+ if (s_IRQ < 0) {
+ DPRINTF("%s: EOI with no interrupt in service\n", __func__);
+ break;
+ }
+
IRQ_resetbit(&dst->servicing, s_IRQ);
- dst->servicing.next = -1;
/* Set up next servicing IRQ */
s_IRQ = IRQ_get_next(opp, &dst->servicing);
/* Check queued interrupts. */
IVPR_PRIORITY(src->ivpr) > dst->servicing.priority)) {
DPRINTF("Raise OpenPIC INT output cpu %d irq %d\n",
idx, n_IRQ);
- openpic_irq_raise(opp, idx, src);
+ qemu_irq_raise(opp->dst[idx].irqs[OPENPIC_OUTPUT_INT]);
}
break;
default:
openpic_cpu_write_internal(opaque, addr, val, (addr & 0x1f000) >> 12);
}
+
+static uint32_t openpic_iack(OpenPICState *opp, IRQDest *dst, int cpu)
+{
+ IRQSource *src;
+ int retval, irq;
+
+ DPRINTF("Lower OpenPIC INT output\n");
+ qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_INT]);
+
+ irq = IRQ_get_next(opp, &dst->raised);
+ DPRINTF("IACK: irq=%d\n", irq);
+
+ if (irq == -1) {
+ /* No more interrupt pending */
+ return opp->spve;
+ }
+
+ src = &opp->src[irq];
+ if (!(src->ivpr & IVPR_ACTIVITY_MASK) ||
+ !(IVPR_PRIORITY(src->ivpr) > dst->ctpr)) {
+ fprintf(stderr, "%s: bad raised IRQ %d ctpr %d ivpr 0x%08x\n",
+ __func__, irq, dst->ctpr, src->ivpr);
+ openpic_update_irq(opp, irq);
+ retval = opp->spve;
+ } else {
+ /* IRQ enter servicing state */
+ IRQ_setbit(&dst->servicing, irq);
+ retval = IVPR_VECTOR(opp, src->ivpr);
+ }
+
+ if (!src->level) {
+ /* edge-sensitive IRQ */
+ src->ivpr &= ~IVPR_ACTIVITY_MASK;
+ src->pending = 0;
+ IRQ_resetbit(&dst->raised, irq);
+ }
+
+ if ((irq >= opp->irq_ipi0) && (irq < (opp->irq_ipi0 + MAX_IPI))) {
+ src->destmask &= ~(1 << cpu);
+ if (src->destmask && !src->level) {
+ /* trigger on CPUs that didn't know about it yet */
+ openpic_set_irq(opp, irq, 1);
+ openpic_set_irq(opp, irq, 0);
+ /* if all CPUs knew about it, set active bit again */
+ src->ivpr |= IVPR_ACTIVITY_MASK;
+ }
+ }
+
+ return retval;
+}
+
static uint32_t openpic_cpu_read_internal(void *opaque, hwaddr addr,
int idx)
{
OpenPICState *opp = opaque;
- IRQSource *src;
IRQDest *dst;
uint32_t retval;
- int n_IRQ;
DPRINTF("%s: cpu %d addr %#" HWADDR_PRIx "\n", __func__, idx, addr);
retval = 0xFFFFFFFF;
retval = idx;
break;
case 0xA0: /* IACK */
- DPRINTF("Lower OpenPIC INT output\n");
- qemu_irq_lower(dst->irqs[OPENPIC_OUTPUT_INT]);
- n_IRQ = IRQ_get_next(opp, &dst->raised);
- DPRINTF("IACK: irq=%d\n", n_IRQ);
- if (n_IRQ == -1) {
- /* No more interrupt pending */
- retval = opp->spve;
- } else {
- src = &opp->src[n_IRQ];
- if (!(src->ivpr & IVPR_ACTIVITY_MASK) ||
- !(IVPR_PRIORITY(src->ivpr) > dst->ctpr)) {
- /* - Spurious level-sensitive IRQ
- * - Priorities has been changed
- * and the pending IRQ isn't allowed anymore
- */
- src->ivpr &= ~IVPR_ACTIVITY_MASK;
- retval = opp->spve;
- } else {
- /* IRQ enter servicing state */
- IRQ_setbit(&dst->servicing, n_IRQ);
- retval = IVPR_VECTOR(opp, src->ivpr);
- }
- IRQ_resetbit(&dst->raised, n_IRQ);
- dst->raised.next = -1;
- if (!(src->ivpr & IVPR_SENSE_MASK)) {
- /* edge-sensitive IRQ */
- src->ivpr &= ~IVPR_ACTIVITY_MASK;
- src->pending = 0;
- }
-
- if ((n_IRQ >= opp->irq_ipi0) && (n_IRQ < (opp->irq_ipi0 + MAX_IPI))) {
- src->idr &= ~(1 << idx);
- if (src->idr && !(src->ivpr & IVPR_SENSE_MASK)) {
- /* trigger on CPUs that didn't know about it yet */
- openpic_set_irq(opp, n_IRQ, 1);
- openpic_set_irq(opp, n_IRQ, 0);
- /* if all CPUs knew about it, set active bit again */
- src->ivpr |= IVPR_ACTIVITY_MASK;
- }
- }
- }
+ retval = openpic_iack(opp, dst, idx);
break;
case 0xB0: /* EOI */
retval = 0;
},
};
-static const MemoryRegionOps openpic_msi_ops_le = {
+static const MemoryRegionOps openpic_msi_ops_be = {
.read = openpic_msi_read,
.write = openpic_msi_write,
- .endianness = DEVICE_LITTLE_ENDIAN,
+ .endianness = DEVICE_BIG_ENDIAN,
.impl = {
.min_access_size = 4,
.max_access_size = 4,
},
};
-static const MemoryRegionOps openpic_msi_ops_be = {
- .read = openpic_msi_read,
- .write = openpic_msi_write,
+static const MemoryRegionOps openpic_summary_ops_be = {
+ .read = openpic_summary_read,
+ .write = openpic_summary_write,
.endianness = DEVICE_BIG_ENDIAN,
.impl = {
.min_access_size = 4,
{
unsigned int i;
- for (i = 0; i < BF_WIDTH(MAX_IRQ); i++)
- qemu_put_be32s(f, &q->queue[i]);
+ for (i = 0; i < ARRAY_SIZE(q->queue); i++) {
+ /* Always put the lower half of a 64-bit long first, in case we
+ * restore on a 32-bit host. The least significant bits correspond
+ * to lower IRQ numbers in the bitmap.
+ */
+ qemu_put_be32(f, (uint32_t)q->queue[i]);
+#if LONG_MAX > 0x7FFFFFFF
+ qemu_put_be32(f, (uint32_t)(q->queue[i] >> 32));
+#endif
+ }
qemu_put_sbe32s(f, &q->next);
qemu_put_sbe32s(f, &q->priority);
qemu_put_be32s(f, &opp->spve);
qemu_put_be32s(f, &opp->tfrr);
- for (i = 0; i < opp->max_irq; i++) {
- qemu_put_be32s(f, &opp->src[i].ivpr);
- qemu_put_be32s(f, &opp->src[i].idr);
- qemu_put_sbe32s(f, &opp->src[i].last_cpu);
- qemu_put_sbe32s(f, &opp->src[i].pending);
- }
-
qemu_put_be32s(f, &opp->nb_cpus);
for (i = 0; i < opp->nb_cpus; i++) {
- qemu_put_be32s(f, &opp->dst[i].ctpr);
+ qemu_put_sbe32s(f, &opp->dst[i].ctpr);
openpic_save_IRQ_queue(f, &opp->dst[i].raised);
openpic_save_IRQ_queue(f, &opp->dst[i].servicing);
+ qemu_put_buffer(f, (uint8_t *)&opp->dst[i].outputs_active,
+ sizeof(opp->dst[i].outputs_active));
}
for (i = 0; i < MAX_TMR; i++) {
qemu_put_be32s(f, &opp->timers[i].tccr);
qemu_put_be32s(f, &opp->timers[i].tbcr);
}
+
+ for (i = 0; i < opp->max_irq; i++) {
+ qemu_put_be32s(f, &opp->src[i].ivpr);
+ qemu_put_be32s(f, &opp->src[i].idr);
+ qemu_get_be32s(f, &opp->src[i].destmask);
+ qemu_put_sbe32s(f, &opp->src[i].last_cpu);
+ qemu_put_sbe32s(f, &opp->src[i].pending);
+ }
}
static void openpic_load_IRQ_queue(QEMUFile* f, IRQQueue *q)
{
unsigned int i;
- for (i = 0; i < BF_WIDTH(MAX_IRQ); i++)
- qemu_get_be32s(f, &q->queue[i]);
+ for (i = 0; i < ARRAY_SIZE(q->queue); i++) {
+ unsigned long val;
+
+ val = qemu_get_be32(f);
+#if LONG_MAX > 0x7FFFFFFF
+ val <<= 32;
+ val |= qemu_get_be32(f);
+#endif
+
+ q->queue[i] = val;
+ }
qemu_get_sbe32s(f, &q->next);
qemu_get_sbe32s(f, &q->priority);
qemu_get_be32s(f, &opp->spve);
qemu_get_be32s(f, &opp->tfrr);
- for (i = 0; i < opp->max_irq; i++) {
- qemu_get_be32s(f, &opp->src[i].ivpr);
- qemu_get_be32s(f, &opp->src[i].idr);
- qemu_get_sbe32s(f, &opp->src[i].last_cpu);
- qemu_get_sbe32s(f, &opp->src[i].pending);
- }
-
qemu_get_be32s(f, &opp->nb_cpus);
for (i = 0; i < opp->nb_cpus; i++) {
- qemu_get_be32s(f, &opp->dst[i].ctpr);
+ qemu_get_sbe32s(f, &opp->dst[i].ctpr);
openpic_load_IRQ_queue(f, &opp->dst[i].raised);
openpic_load_IRQ_queue(f, &opp->dst[i].servicing);
+ qemu_get_buffer(f, (uint8_t *)&opp->dst[i].outputs_active,
+ sizeof(opp->dst[i].outputs_active));
}
for (i = 0; i < MAX_TMR; i++) {
qemu_get_be32s(f, &opp->timers[i].tbcr);
}
- return 0;
-}
+ for (i = 0; i < opp->max_irq; i++) {
+ uint32_t val;
-static void openpic_irq_raise(OpenPICState *opp, int n_CPU, IRQSource *src)
-{
- int n_ci = IDR_CI0_SHIFT - n_CPU;
+ val = qemu_get_be32(f);
+ write_IRQreg_idr(opp, i, val);
+ val = qemu_get_be32(f);
+ write_IRQreg_ivpr(opp, i, val);
- if ((opp->flags & OPENPIC_FLAG_IDR_CRIT) && (src->idr & (1 << n_ci))) {
- qemu_irq_raise(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_CINT]);
- } else {
- qemu_irq_raise(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
+ qemu_get_be32s(f, &opp->src[i].ivpr);
+ qemu_get_be32s(f, &opp->src[i].idr);
+ qemu_get_be32s(f, &opp->src[i].destmask);
+ qemu_get_sbe32s(f, &opp->src[i].last_cpu);
+ qemu_get_sbe32s(f, &opp->src[i].pending);
}
+
+ return 0;
}
typedef struct MemReg {
const char *name;
MemoryRegionOps const *ops;
- bool map;
hwaddr start_addr;
ram_addr_t size;
} MemReg;
+static void fsl_common_init(OpenPICState *opp)
+{
+ int i;
+ int virq = MAX_SRC;
+
+ opp->vid = VID_REVISION_1_2;
+ opp->vir = VIR_GENERIC;
+ opp->vector_mask = 0xFFFF;
+ opp->tfrr_reset = 0;
+ opp->ivpr_reset = IVPR_MASK_MASK;
+ opp->idr_reset = 1 << 0;
+ opp->max_irq = MAX_IRQ;
+
+ opp->irq_ipi0 = virq;
+ virq += MAX_IPI;
+ opp->irq_tim0 = virq;
+ virq += MAX_TMR;
+
+ assert(virq <= MAX_IRQ);
+
+ opp->irq_msi = 224;
+
+ msi_supported = true;
+ for (i = 0; i < opp->fsl->max_ext; i++) {
+ opp->src[i].level = false;
+ }
+
+ /* Internal interrupts, including message and MSI */
+ for (i = 16; i < MAX_SRC; i++) {
+ opp->src[i].type = IRQ_TYPE_FSLINT;
+ opp->src[i].level = true;
+ }
+
+ /* timers and IPIs */
+ for (i = MAX_SRC; i < virq; i++) {
+ opp->src[i].type = IRQ_TYPE_FSLSPECIAL;
+ opp->src[i].level = false;
+ }
+}
+
+static void map_list(OpenPICState *opp, const MemReg *list, int *count)
+{
+ while (list->name) {
+ assert(*count < ARRAY_SIZE(opp->sub_io_mem));
+
+ memory_region_init_io(&opp->sub_io_mem[*count], list->ops, opp,
+ list->name, list->size);
+
+ memory_region_add_subregion(&opp->mem, list->start_addr,
+ &opp->sub_io_mem[*count]);
+
+ (*count)++;
+ list++;
+ }
+}
+
static int openpic_init(SysBusDevice *dev)
{
OpenPICState *opp = FROM_SYSBUS(typeof (*opp), dev);
int i, j;
- MemReg list_le[] = {
- {"glb", &openpic_glb_ops_le, true,
+ int list_count = 0;
+ static const MemReg list_le[] = {
+ {"glb", &openpic_glb_ops_le,
OPENPIC_GLB_REG_START, OPENPIC_GLB_REG_SIZE},
- {"tmr", &openpic_tmr_ops_le, true,
+ {"tmr", &openpic_tmr_ops_le,
OPENPIC_TMR_REG_START, OPENPIC_TMR_REG_SIZE},
- {"msi", &openpic_msi_ops_le, true,
- OPENPIC_MSI_REG_START, OPENPIC_MSI_REG_SIZE},
- {"src", &openpic_src_ops_le, true,
+ {"src", &openpic_src_ops_le,
OPENPIC_SRC_REG_START, OPENPIC_SRC_REG_SIZE},
- {"cpu", &openpic_cpu_ops_le, true,
+ {"cpu", &openpic_cpu_ops_le,
OPENPIC_CPU_REG_START, OPENPIC_CPU_REG_SIZE},
+ {NULL}
};
- MemReg list_be[] = {
- {"glb", &openpic_glb_ops_be, true,
+ static const MemReg list_be[] = {
+ {"glb", &openpic_glb_ops_be,
OPENPIC_GLB_REG_START, OPENPIC_GLB_REG_SIZE},
- {"tmr", &openpic_tmr_ops_be, true,
+ {"tmr", &openpic_tmr_ops_be,
OPENPIC_TMR_REG_START, OPENPIC_TMR_REG_SIZE},
- {"msi", &openpic_msi_ops_be, true,
- OPENPIC_MSI_REG_START, OPENPIC_MSI_REG_SIZE},
- {"src", &openpic_src_ops_be, true,
+ {"src", &openpic_src_ops_be,
OPENPIC_SRC_REG_START, OPENPIC_SRC_REG_SIZE},
- {"cpu", &openpic_cpu_ops_be, true,
+ {"cpu", &openpic_cpu_ops_be,
OPENPIC_CPU_REG_START, OPENPIC_CPU_REG_SIZE},
+ {NULL}
+ };
+ static const MemReg list_fsl[] = {
+ {"msi", &openpic_msi_ops_be,
+ OPENPIC_MSI_REG_START, OPENPIC_MSI_REG_SIZE},
+ {"summary", &openpic_summary_ops_be,
+ OPENPIC_SUMMARY_REG_START, OPENPIC_SUMMARY_REG_SIZE},
+ {NULL}
};
- MemReg *list;
+
+ memory_region_init(&opp->mem, "openpic", 0x40000);
switch (opp->model) {
case OPENPIC_MODEL_FSL_MPIC_20:
default:
+ opp->fsl = &fsl_mpic_20;
+ opp->brr1 = 0x00400200;
opp->flags |= OPENPIC_FLAG_IDR_CRIT;
opp->nb_irqs = 80;
- opp->vid = VID_REVISION_1_2;
- opp->vir = VIR_GENERIC;
- opp->vector_mask = 0xFFFF;
- opp->tfrr_reset = 0;
- opp->ivpr_reset = IVPR_MASK_MASK;
- opp->idr_reset = 1 << 0;
- opp->max_irq = FSL_MPIC_20_MAX_IRQ;
- opp->irq_ipi0 = FSL_MPIC_20_IPI_IRQ;
- opp->irq_tim0 = FSL_MPIC_20_TMR_IRQ;
- opp->irq_msi = FSL_MPIC_20_MSI_IRQ;
- opp->brr1 = FSL_BRR1_IPID | FSL_BRR1_IPMJ | FSL_BRR1_IPMN;
- msi_supported = true;
- list = list_be;
+ opp->mpic_mode_mask = GCR_MODE_MIXED;
+
+ fsl_common_init(opp);
+ map_list(opp, list_be, &list_count);
+ map_list(opp, list_fsl, &list_count);
+
+ break;
+
+ case OPENPIC_MODEL_FSL_MPIC_42:
+ opp->fsl = &fsl_mpic_42;
+ opp->brr1 = 0x00400402;
+ opp->flags |= OPENPIC_FLAG_ILR;
+ opp->nb_irqs = 196;
+ opp->mpic_mode_mask = GCR_MODE_PROXY;
+
+ fsl_common_init(opp);
+ map_list(opp, list_be, &list_count);
+ map_list(opp, list_fsl, &list_count);
+
break;
+
case OPENPIC_MODEL_RAVEN:
opp->nb_irqs = RAVEN_MAX_EXT;
opp->vid = VID_REVISION_1_3;
opp->irq_ipi0 = RAVEN_IPI_IRQ;
opp->irq_tim0 = RAVEN_TMR_IRQ;
opp->brr1 = -1;
- list = list_le;
- /* Don't map MSI region */
- list[2].map = false;
+ opp->mpic_mode_mask = GCR_MODE_MIXED;
/* Only UP supported today */
if (opp->nb_cpus != 1) {
return -EINVAL;
}
- break;
- }
-
- memory_region_init(&opp->mem, "openpic", 0x40000);
- for (i = 0; i < ARRAY_SIZE(list_le); i++) {
- if (!list[i].map) {
- continue;
- }
-
- memory_region_init_io(&opp->sub_io_mem[i], list[i].ops, opp,
- list[i].name, list[i].size);
-
- memory_region_add_subregion(&opp->mem, list[i].start_addr,
- &opp->sub_io_mem[i]);
+ map_list(opp, list_le, &list_count);
+ break;
}
for (i = 0; i < opp->nb_cpus; i++) {
dc->reset = openpic_reset;
}
-static TypeInfo openpic_info = {
+static const TypeInfo openpic_info = {
.name = "openpic",
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(OpenPICState),