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 23 static 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 33 static 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 45 static 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 57 static 58 HotplugHandler *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 70 static 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 mc->default_ram_id = "mpc8544ds.ram"; 101 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON); 102 } 103 104 static const TypeInfo e500plat_info = { 105 .name = TYPE_E500PLAT_MACHINE, 106 .parent = TYPE_PPCE500_MACHINE, 107 .class_init = e500plat_machine_class_init, 108 .interfaces = (InterfaceInfo[]) { 109 { TYPE_HOTPLUG_HANDLER }, 110 { } 111 } 112 }; 113 114 static void e500plat_register_types(void) 115 { 116 type_register_static(&e500plat_info); 117 } 118 type_init(e500plat_register_types) 119