xref: /openbmc/qemu/hw/ppc/e500plat.c (revision 8f0a3716)
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/net/fsl_etsec/etsec.h"
16 #include "hw/boards.h"
17 #include "sysemu/device_tree.h"
18 #include "sysemu/kvm.h"
19 #include "hw/sysbus.h"
20 #include "hw/pci/pci.h"
21 #include "hw/ppc/openpic.h"
22 #include "kvm_ppc.h"
23 
24 static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
25 {
26     const char model[] = "QEMU ppce500";
27     const char compatible[] = "fsl,qemu-e500";
28 
29     qemu_fdt_setprop(fdt, "/", "model", model, sizeof(model));
30     qemu_fdt_setprop(fdt, "/", "compatible", compatible,
31                      sizeof(compatible));
32 }
33 
34 static void e500plat_init(MachineState *machine)
35 {
36     PPCE500Params params = {
37         .pci_first_slot = 0x1,
38         .pci_nr_slots = PCI_SLOT_MAX - 1,
39         .fixup_devtree = e500plat_fixup_devtree,
40         .mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
41         .has_mpc8xxx_gpio = true,
42         .has_platform_bus = true,
43         .platform_bus_base = 0xf00000000ULL,
44         .platform_bus_size = (128ULL * 1024 * 1024),
45         .platform_bus_first_irq = 5,
46         .platform_bus_num_irqs = 10,
47         .ccsrbar_base = 0xFE0000000ULL,
48         .pci_pio_base = 0xFE1000000ULL,
49         .pci_mmio_base = 0xC00000000ULL,
50         .pci_mmio_bus_base = 0xE0000000ULL,
51         .spin_base = 0xFEF000000ULL,
52     };
53 
54     /* Older KVM versions don't support EPR which breaks guests when we announce
55        MPIC variants that support EPR. Revert to an older one for those */
56     if (kvm_enabled() && !kvmppc_has_cap_epr()) {
57         params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
58     }
59 
60     ppce500_init(machine, &params);
61 }
62 
63 static void e500plat_machine_init(MachineClass *mc)
64 {
65     mc->desc = "generic paravirt e500 platform";
66     mc->init = e500plat_init;
67     mc->max_cpus = 32;
68     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_ETSEC_COMMON);
69     mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("e500v2_v30");
70 }
71 
72 DEFINE_MACHINE("ppce500", e500plat_machine_init)
73