#define MPIC_CPU_REG_START 0x20000
#define MPIC_CPU_REG_SIZE 0x100 + ((MAX_CPU - 1) * 0x1000)
+/*
+ * 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 */
+
enum mpic_ide_bits {
IDR_EP = 31,
IDR_CI0 = 30,
typedef struct openpic_t {
PCIDevice pci_dev;
MemoryRegion mem;
+
+ /* Sub-regions */
+ MemoryRegion sub_io_mem[7];
+
/* Global registers */
uint32_t frep; /* Feature reporting register */
uint32_t glbc; /* Global configuration register */
if (addr & 0xF)
return;
switch (addr) {
+ case 0x00: /* Block Revision Register1 (BRR1) is Readonly */
+ break;
case 0x40:
case 0x50:
case 0x60:
case 0x1090: /* PINT */
retval = 0x00000000;
break;
+ case 0x00: /* Block Revision Register1 (BRR1) */
case 0x40:
case 0x50:
case 0x60:
DPRINTF("%s: addr %08x <= %08x\n", __func__, addr, val);
if (addr & 0xF)
return;
- addr -= 0x1100;
+ addr -= 0x10;
addr &= 0xFFFF;
idx = (addr & 0xFFF0) >> 6;
addr = addr & 0x30;
retval = 0xFFFFFFFF;
if (addr & 0xF)
return retval;
- addr -= 0x1100;
+ addr -= 0x10;
addr &= 0xFFFF;
idx = (addr & 0xFFF0) >> 6;
addr = addr & 0x30;
dst = &opp->dst[idx];
addr &= 0xFF0;
switch (addr) {
+ case 0x00: /* Block Revision Register1 (BRR1) */
+ retval = FSL_BRR1_IPID | FSL_BRR1_IPMJ | FSL_BRR1_IPMN;
+ break;
case 0x80: /* PCTP */
retval = dst->pctp;
break;
qemu_irq_raise(opp->dst[n_CPU].irqs[OPENPIC_OUTPUT_INT]);
}
-qemu_irq *openpic_init (PCIBus *bus, MemoryRegion **pmem, int nb_cpus,
+qemu_irq *openpic_init (MemoryRegion **pmem, int nb_cpus,
qemu_irq **irqs, qemu_irq irq_out)
{
openpic_t *opp;
- uint8_t *pci_conf;
int i, m;
/* XXX: for now, only one CPU is supported */
if (nb_cpus != 1)
return NULL;
- if (bus) {
- opp = (openpic_t *)pci_register_device(bus, "OpenPIC", sizeof(openpic_t),
- -1, NULL, NULL);
- pci_conf = opp->pci_dev.config;
- pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_IBM);
- pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_IBM_OPENPIC2);
- pci_config_set_class(pci_conf, PCI_CLASS_SYSTEM_OTHER); // FIXME?
- pci_conf[0x3d] = 0x00; // no interrupt pin
-
- memory_region_init_io(&opp->mem, &openpic_ops, opp, "openpic", 0x40000);
-#if 0 // Don't implement ISU for now
- opp_io_memory = cpu_register_io_memory(openpic_src_read,
- openpic_src_write, NULL
- DEVICE_NATIVE_ENDIAN);
- cpu_register_physical_memory(isu_base, 0x20 * (EXT_IRQ + 2),
- opp_io_memory);
-#endif
-
- /* Register I/O spaces */
- pci_register_bar(&opp->pci_dev, 0,
- PCI_BASE_ADDRESS_SPACE_MEMORY, &opp->mem);
- } else {
- opp = g_malloc0(sizeof(openpic_t));
- memory_region_init_io(&opp->mem, &openpic_ops, opp, "openpic", 0x40000);
- }
+ opp = g_malloc0(sizeof(openpic_t));
+ memory_region_init_io(&opp->mem, &openpic_ops, opp, "openpic", 0x40000);
// isu_base &= 0xFFFC0000;
opp->nb_cpus = nb_cpus;
if (addr & 0xF)
return;
- addr -= MPIC_EXT_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_EXT_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return retval;
- addr -= MPIC_EXT_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_EXT_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return;
- addr -= MPIC_INT_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_INT_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return retval;
- addr -= MPIC_INT_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_INT_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return;
- addr -= MPIC_MSG_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_MSG_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return retval;
- addr -= MPIC_MSG_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_MSG_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return;
- addr -= MPIC_MSI_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_MSI_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
if (addr & 0xF)
return retval;
- addr -= MPIC_MSI_REG_START & (OPENPIC_PAGE_SIZE - 1);
if (addr < MPIC_MSI_REG_SIZE) {
idx += (addr & 0xFFF0) >> 5;
if (addr & 0x10) {
return retval;
}
-static CPUWriteMemoryFunc * const mpic_glb_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &openpic_gbl_write,
-};
-
-static CPUReadMemoryFunc * const mpic_glb_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &openpic_gbl_read,
-};
-
-static CPUWriteMemoryFunc * const mpic_tmr_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &mpic_timer_write,
+static const MemoryRegionOps mpic_glb_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ openpic_gbl_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ openpic_gbl_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUReadMemoryFunc * const mpic_tmr_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &mpic_timer_read,
+static const MemoryRegionOps mpic_tmr_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ mpic_timer_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ mpic_timer_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUWriteMemoryFunc * const mpic_cpu_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &openpic_cpu_write,
+static const MemoryRegionOps mpic_cpu_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ openpic_cpu_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ openpic_cpu_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUReadMemoryFunc * const mpic_cpu_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &openpic_cpu_read,
+static const MemoryRegionOps mpic_ext_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ mpic_src_ext_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ mpic_src_ext_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUWriteMemoryFunc * const mpic_ext_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &mpic_src_ext_write,
+static const MemoryRegionOps mpic_int_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ mpic_src_int_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ mpic_src_int_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUReadMemoryFunc * const mpic_ext_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &mpic_src_ext_read,
+static const MemoryRegionOps mpic_msg_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ mpic_src_msg_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ mpic_src_msg_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUWriteMemoryFunc * const mpic_int_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &mpic_src_int_write,
+static const MemoryRegionOps mpic_msi_ops = {
+ .old_mmio = {
+ .write = { openpic_buggy_write,
+ openpic_buggy_write,
+ mpic_src_msi_write,
+ },
+ .read = { openpic_buggy_read,
+ openpic_buggy_read,
+ mpic_src_msi_read,
+ },
+ },
+ .endianness = DEVICE_BIG_ENDIAN,
};
-static CPUReadMemoryFunc * const mpic_int_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &mpic_src_int_read,
-};
-
-static CPUWriteMemoryFunc * const mpic_msg_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &mpic_src_msg_write,
-};
-
-static CPUReadMemoryFunc * const mpic_msg_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &mpic_src_msg_read,
-};
-static CPUWriteMemoryFunc * const mpic_msi_write[] = {
- &openpic_buggy_write,
- &openpic_buggy_write,
- &mpic_src_msi_write,
-};
-
-static CPUReadMemoryFunc * const mpic_msi_read[] = {
- &openpic_buggy_read,
- &openpic_buggy_read,
- &mpic_src_msi_read,
-};
-
-qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
- qemu_irq **irqs, qemu_irq irq_out)
+qemu_irq *mpic_init (MemoryRegion *address_space, target_phys_addr_t base,
+ int nb_cpus, qemu_irq **irqs, qemu_irq irq_out)
{
- openpic_t *mpp;
- int i;
+ openpic_t *mpp;
+ int i;
struct {
- CPUReadMemoryFunc * const *read;
- CPUWriteMemoryFunc * const *write;
- target_phys_addr_t start_addr;
- ram_addr_t size;
+ const char *name;
+ MemoryRegionOps const *ops;
+ target_phys_addr_t start_addr;
+ ram_addr_t size;
} const list[] = {
- {mpic_glb_read, mpic_glb_write, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
- {mpic_tmr_read, mpic_tmr_write, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
- {mpic_ext_read, mpic_ext_write, MPIC_EXT_REG_START, MPIC_EXT_REG_SIZE},
- {mpic_int_read, mpic_int_write, MPIC_INT_REG_START, MPIC_INT_REG_SIZE},
- {mpic_msg_read, mpic_msg_write, MPIC_MSG_REG_START, MPIC_MSG_REG_SIZE},
- {mpic_msi_read, mpic_msi_write, MPIC_MSI_REG_START, MPIC_MSI_REG_SIZE},
- {mpic_cpu_read, mpic_cpu_write, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
+ {"glb", &mpic_glb_ops, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
+ {"tmr", &mpic_tmr_ops, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
+ {"ext", &mpic_ext_ops, MPIC_EXT_REG_START, MPIC_EXT_REG_SIZE},
+ {"int", &mpic_int_ops, MPIC_INT_REG_START, MPIC_INT_REG_SIZE},
+ {"msg", &mpic_msg_ops, MPIC_MSG_REG_START, MPIC_MSG_REG_SIZE},
+ {"msi", &mpic_msi_ops, MPIC_MSI_REG_START, MPIC_MSI_REG_SIZE},
+ {"cpu", &mpic_cpu_ops, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
};
mpp = g_malloc0(sizeof(openpic_t));
+ memory_region_init(&mpp->mem, "mpic", 0x40000);
+ memory_region_add_subregion(address_space, base, &mpp->mem);
+
for (i = 0; i < sizeof(list)/sizeof(list[0]); i++) {
- int mem_index;
- mem_index = cpu_register_io_memory(list[i].read, list[i].write, mpp,
- DEVICE_BIG_ENDIAN);
- if (mem_index < 0) {
- goto free;
- }
- cpu_register_physical_memory(base + list[i].start_addr,
- list[i].size, mem_index);
+ memory_region_init_io(&mpp->sub_io_mem[i], list[i].ops, mpp,
+ list[i].name, list[i].size);
+
+ memory_region_add_subregion(&mpp->mem, list[i].start_addr,
+ &mpp->sub_io_mem[i]);
}
mpp->nb_cpus = nb_cpus;
qemu_register_reset(mpic_reset, mpp);
return qemu_allocate_irqs(openpic_set_irq, mpp, mpp->max_irq);
-
-free:
- g_free(mpp);
- return NULL;
}
projects / qemu.git / blobdiff