xref: /openbmc/qemu/hw/ppc/e500plat.c (revision 5c75fb10)
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 "config.h"
13 #include "qemu-common.h"
14 #include "e500.h"
15 #include "../boards.h"
16 #include "sysemu/device_tree.h"
17 #include "hw/pci/pci.h"
18 #include "hw/openpic.h"
19 
20 static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
21 {
22     const char model[] = "QEMU ppce500";
23     const char compatible[] = "fsl,qemu-e500";
24 
25     qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
26     qemu_devtree_setprop(fdt, "/", "compatible", compatible,
27                          sizeof(compatible));
28 }
29 
30 static void e500plat_init(QEMUMachineInitArgs *args)
31 {
32     ram_addr_t ram_size = args->ram_size;
33     const char *boot_device = args->boot_device;
34     const char *cpu_model = args->cpu_model;
35     const char *kernel_filename = args->kernel_filename;
36     const char *kernel_cmdline = args->kernel_cmdline;
37     const char *initrd_filename = args->initrd_filename;
38     PPCE500Params params = {
39         .ram_size = ram_size,
40         .boot_device = boot_device,
41         .kernel_filename = kernel_filename,
42         .kernel_cmdline = kernel_cmdline,
43         .initrd_filename = initrd_filename,
44         .cpu_model = cpu_model,
45         .pci_first_slot = 0x1,
46         .pci_nr_slots = PCI_SLOT_MAX - 1,
47         .fixup_devtree = e500plat_fixup_devtree,
48         .mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
49     };
50 
51     ppce500_init(&params);
52 }
53 
54 static QEMUMachine e500plat_machine = {
55     .name = "ppce500",
56     .desc = "generic paravirt e500 platform",
57     .init = e500plat_init,
58     .max_cpus = 32,
59     DEFAULT_MACHINE_OPTIONS,
60 };
61 
62 static void e500plat_machine_init(void)
63 {
64     qemu_register_machine(&e500plat_machine);
65 }
66 
67 machine_init(e500plat_machine_init);
68