xref: /openbmc/qemu/hw/ppc/e500plat.c (revision 4a09d0bb)
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-common.h"
14 #include "e500.h"
15 #include "hw/boards.h"
16 #include "sysemu/device_tree.h"
17 #include "sysemu/kvm.h"
18 #include "hw/pci/pci.h"
19 #include "hw/ppc/openpic.h"
20 #include "kvm_ppc.h"
21 
22 static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
23 {
24     const char model[] = "QEMU ppce500";
25     const char compatible[] = "fsl,qemu-e500";
26 
27     qemu_fdt_setprop(fdt, "/", "model", model, sizeof(model));
28     qemu_fdt_setprop(fdt, "/", "compatible", compatible,
29                      sizeof(compatible));
30 }
31 
32 static void e500plat_init(MachineState *machine)
33 {
34     PPCE500Params params = {
35         .pci_first_slot = 0x1,
36         .pci_nr_slots = PCI_SLOT_MAX - 1,
37         .fixup_devtree = e500plat_fixup_devtree,
38         .mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
39         .has_mpc8xxx_gpio = true,
40         .has_platform_bus = true,
41         .platform_bus_base = 0xf00000000ULL,
42         .platform_bus_size = (128ULL * 1024 * 1024),
43         .platform_bus_first_irq = 5,
44         .platform_bus_num_irqs = 10,
45         .ccsrbar_base = 0xFE0000000ULL,
46         .pci_pio_base = 0xFE1000000ULL,
47         .pci_mmio_base = 0xC00000000ULL,
48         .pci_mmio_bus_base = 0xE0000000ULL,
49         .spin_base = 0xFEF000000ULL,
50     };
51 
52     /* Older KVM versions don't support EPR which breaks guests when we announce
53        MPIC variants that support EPR. Revert to an older one for those */
54     if (kvm_enabled() && !kvmppc_has_cap_epr()) {
55         params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
56     }
57 
58     ppce500_init(machine, &params);
59 }
60 
61 static void e500plat_machine_init(MachineClass *mc)
62 {
63     mc->desc = "generic paravirt e500 platform";
64     mc->init = e500plat_init;
65     mc->max_cpus = 32;
66     mc->has_dynamic_sysbus = true;
67 }
68 
69 DEFINE_MACHINE("ppce500", e500plat_machine_init)
70