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 | machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON); |
101 | } |
102 | |
103 | static 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 | |
113 | static void e500plat_register_types(void) |
114 | { |
115 | type_register_static(&e500plat_info); |
116 | } |
117 | type_init(e500plat_register_types) |
118 | |