LXR qemu/hw/ppc/e500plat.c

   1/*
   2 * Generic device-tree-driven paravirt PPC e500 platform
   3 *
   4 * Copyright 2012 Freescale Semiconductor, Inc.
   5 *
   6 * This is free software; you can redistribute it and/or modify
   7 * it under the terms of  the GNU General  Public License as published by
   8 * the Free Software Foundation;  either version 2 of the  License, or
   9 * (at your option) any later version.
  10 */
  11
  12#include "qemu/osdep.h"
  13#include "qemu/units.h"
  14#include "e500.h"
  15#include "hw/net/fsl_etsec/etsec.h"
  16#include "sysemu/device_tree.h"
  17#include "sysemu/kvm.h"
  18#include "hw/sysbus.h"
  19#include "hw/pci/pci.h"
  20#include "hw/ppc/openpic.h"
  21#include "kvm_ppc.h"
  22
  23static void e500plat_fixup_devtree(void *fdt)
  24{
  25    const char model[] = "QEMU ppce500";
  26    const char compatible[] = "fsl,qemu-e500";
  27
  28    qemu_fdt_setprop(fdt, "/", "model", model, sizeof(model));
  29    qemu_fdt_setprop(fdt, "/", "compatible", compatible,
  30                     sizeof(compatible));
  31}
  32
  33static void e500plat_init(MachineState *machine)
  34{
  35    PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(machine);
  36    /* Older KVM versions don't support EPR which breaks guests when we announce
  37       MPIC variants that support EPR. Revert to an older one for those */
  38    if (kvm_enabled() && !kvmppc_has_cap_epr()) {
  39        pmc->mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
  40    }
  41
  42    ppce500_init(machine);
  43}
  44
  45static void e500plat_machine_device_plug_cb(HotplugHandler *hotplug_dev,
  46                                            DeviceState *dev, Error **errp)
  47{
  48    PPCE500MachineState *pms = PPCE500_MACHINE(hotplug_dev);
  49
  50    if (pms->pbus_dev) {
  51        if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE)) {
  52            platform_bus_link_device(pms->pbus_dev, SYS_BUS_DEVICE(dev));
  53        }
  54    }
  55}
  56
  57static
  58HotplugHandler *e500plat_machine_get_hotpug_handler(MachineState *machine,
  59                                                    DeviceState *dev)
  60{
  61    if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE)) {
  62        return HOTPLUG_HANDLER(machine);
  63    }
  64
  65    return NULL;
  66}
  67
  68#define TYPE_E500PLAT_MACHINE  MACHINE_TYPE_NAME("ppce500")
  69
  70static void e500plat_machine_class_init(ObjectClass *oc, void *data)
  71{
  72    PPCE500MachineClass *pmc = PPCE500_MACHINE_CLASS(oc);
  73    HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
  74    MachineClass *mc = MACHINE_CLASS(oc);
  75
  76    assert(!mc->get_hotplug_handler);
  77    mc->get_hotplug_handler = e500plat_machine_get_hotpug_handler;
  78    hc->plug = e500plat_machine_device_plug_cb;
  79
  80    pmc->pci_first_slot = 0x1;
  81    pmc->pci_nr_slots = PCI_SLOT_MAX - 1;
  82    pmc->fixup_devtree = e500plat_fixup_devtree;
  83    pmc->mpic_version = OPENPIC_MODEL_FSL_MPIC_42;
  84    pmc->has_mpc8xxx_gpio = true;
  85    pmc->has_platform_bus = true;
  86    pmc->platform_bus_base = 0xf00000000ULL;
  87    pmc->platform_bus_size = 128 * MiB;
  88    pmc->platform_bus_first_irq = 5;
  89    pmc->platform_bus_num_irqs = 10;
  90    pmc->ccsrbar_base = 0xFE0000000ULL;
  91    pmc->pci_pio_base = 0xFE1000000ULL;
  92    pmc->pci_mmio_base = 0xC00000000ULL;
  93    pmc->pci_mmio_bus_base = 0xE0000000ULL;
  94    pmc->spin_base = 0xFEF000000ULL;
  95
  96    mc->desc = "generic paravirt e500 platform";
  97    mc->init = e500plat_init;
  98    mc->max_cpus = 32;
  99    mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("e500v2_v30");
 100    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON);
 101 }
 102
 103static const TypeInfo e500plat_info = {
 104    .name          = TYPE_E500PLAT_MACHINE,
 105    .parent        = TYPE_PPCE500_MACHINE,
 106    .class_init    = e500plat_machine_class_init,
 107    .interfaces    = (InterfaceInfo[]) {
 108         { TYPE_HOTPLUG_HANDLER },
 109         { }
 110    }
 111};
 112
 113static void e500plat_register_types(void)
 114{
 115    type_register_static(&e500plat_info);
 116}
 117type_init(e500plat_register_types)
 118