| 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 "system/device_tree.h" |
| 17 | #include "system/kvm.h" |
| 18 | #include "hw/core/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 | MachineClass *mc = MACHINE_GET_CLASS(pms); |
| 50 | |
| 51 | if (device_is_dynamic_sysbus(mc, dev)) { |
| 52 | platform_bus_link_device(pms->pbus_dev, SYS_BUS_DEVICE(dev)); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | static |
| 57 | HotplugHandler *e500plat_machine_get_hotpug_handler(MachineState *machine, |
| 58 | DeviceState *dev) |
| 59 | { |
| 60 | MachineClass *mc = MACHINE_GET_CLASS(machine); |
| 61 | |
| 62 | if (device_is_dynamic_sysbus(mc, dev)) { |
| 63 | return HOTPLUG_HANDLER(machine); |
| 64 | } |
| 65 | |
| 66 | return NULL; |
| 67 | } |
| 68 | |
| 69 | #define TYPE_E500PLAT_MACHINE MACHINE_TYPE_NAME("ppce500") |
| 70 | |
| 71 | static void e500plat_machine_class_init(ObjectClass *oc, const void *data) |
| 72 | { |
| 73 | PPCE500MachineClass *pmc = PPCE500_MACHINE_CLASS(oc); |
| 74 | HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); |
| 75 | MachineClass *mc = MACHINE_CLASS(oc); |
| 76 | |
| 77 | assert(!mc->get_hotplug_handler); |
| 78 | mc->get_hotplug_handler = e500plat_machine_get_hotpug_handler; |
| 79 | hc->plug = e500plat_machine_device_plug_cb; |
| 80 | |
| 81 | pmc->pci_first_slot = 0x1; |
| 82 | pmc->pci_nr_slots = PCI_SLOT_MAX - 1; |
| 83 | pmc->fixup_devtree = e500plat_fixup_devtree; |
| 84 | pmc->mpic_version = OPENPIC_MODEL_FSL_MPIC_42; |
| 85 | pmc->has_mpc8xxx_gpio = true; |
| 86 | pmc->has_esdhc = true; |
| 87 | pmc->platform_bus_base = 0xf00000000ULL; |
| 88 | pmc->platform_bus_size = 128 * MiB; |
| 89 | pmc->platform_bus_first_irq = 5; |
| 90 | pmc->platform_bus_num_irqs = 10; |
| 91 | pmc->ccsrbar_base = 0xFE0000000ULL; |
| 92 | pmc->pci_pio_base = 0xFE1000000ULL; |
| 93 | pmc->pci_mmio_base = 0xC00000000ULL; |
| 94 | pmc->pci_mmio_bus_base = 0xE0000000ULL; |
| 95 | pmc->spin_base = 0xFEF000000ULL; |
| 96 | pmc->clock_freq = PLATFORM_CLK_FREQ_HZ; |
| 97 | pmc->bus_freq = PLATFORM_CLK_FREQ_HZ; |
| 98 | pmc->tb_freq = PLATFORM_CLK_FREQ_HZ; |
| 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 | mc->default_nic = "virtio-net-pci"; |
| 106 | machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON); |
| 107 | } |
| 108 | |
| 109 | static const TypeInfo e500plat_info = { |
| 110 | .name = TYPE_E500PLAT_MACHINE, |
| 111 | .parent = TYPE_PPCE500_MACHINE, |
| 112 | .class_init = e500plat_machine_class_init, |
| 113 | .interfaces = (const InterfaceInfo[]) { |
| 114 | { TYPE_HOTPLUG_HANDLER }, |
| 115 | { } |
| 116 | } |
| 117 | }; |
| 118 | |
| 119 | static void e500plat_register_types(void) |
| 120 | { |
| 121 | type_register_static(&e500plat_info); |
| 122 | } |
| 123 | type_init(e500plat_register_types) |