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 MachineClass *mc = MACHINE_GET_CLASS(pms); 52 53 if (device_is_dynamic_sysbus(mc, dev)) { 54 platform_bus_link_device(pms->pbus_dev, SYS_BUS_DEVICE(dev)); 55 } 56 } 57 } 58 59 static 60 HotplugHandler *e500plat_machine_get_hotpug_handler(MachineState *machine, 61 DeviceState *dev) 62 { 63 MachineClass *mc = MACHINE_GET_CLASS(machine); 64 65 if (device_is_dynamic_sysbus(mc, dev)) { 66 return HOTPLUG_HANDLER(machine); 67 } 68 69 return NULL; 70 } 71 72 #define TYPE_E500PLAT_MACHINE MACHINE_TYPE_NAME("ppce500") 73 74 static void e500plat_machine_class_init(ObjectClass *oc, void *data) 75 { 76 PPCE500MachineClass *pmc = PPCE500_MACHINE_CLASS(oc); 77 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 78 MachineClass *mc = MACHINE_CLASS(oc); 79 80 assert(!mc->get_hotplug_handler); 81 mc->get_hotplug_handler = e500plat_machine_get_hotpug_handler; 82 hc->plug = e500plat_machine_device_plug_cb; 83 84 pmc->pci_first_slot = 0x1; 85 pmc->pci_nr_slots = PCI_SLOT_MAX - 1; 86 pmc->fixup_devtree = e500plat_fixup_devtree; 87 pmc->mpic_version = OPENPIC_MODEL_FSL_MPIC_42; 88 pmc->has_mpc8xxx_gpio = true; 89 pmc->has_platform_bus = true; 90 pmc->platform_bus_base = 0xf00000000ULL; 91 pmc->platform_bus_size = 128 * MiB; 92 pmc->platform_bus_first_irq = 5; 93 pmc->platform_bus_num_irqs = 10; 94 pmc->ccsrbar_base = 0xFE0000000ULL; 95 pmc->pci_pio_base = 0xFE1000000ULL; 96 pmc->pci_mmio_base = 0xC00000000ULL; 97 pmc->pci_mmio_bus_base = 0xE0000000ULL; 98 pmc->spin_base = 0xFEF000000ULL; 99 100 mc->desc = "generic paravirt e500 platform"; 101 mc->init = e500plat_init; 102 mc->max_cpus = 32; 103 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("e500v2_v30"); 104 mc->default_ram_id = "mpc8544ds.ram"; 105 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON); 106 } 107 108 static const TypeInfo e500plat_info = { 109 .name = TYPE_E500PLAT_MACHINE, 110 .parent = TYPE_PPCE500_MACHINE, 111 .class_init = e500plat_machine_class_init, 112 .interfaces = (InterfaceInfo[]) { 113 { TYPE_HOTPLUG_HANDLER }, 114 { } 115 } 116 }; 117 118 static void e500plat_register_types(void) 119 { 120 type_register_static(&e500plat_info); 121 } 122 type_init(e500plat_register_types) 123