xref: /openbmc/qemu/hw/ppc/e500plat.c (revision d8f8a860f2403533fc73f541122c65a34b21e42f)
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 "device_tree.h"
17 
18 static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
19 {
20     const char model[] = "QEMU ppce500";
21     const char compatible[] = "fsl,qemu-e500";
22 
23     qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
24     qemu_devtree_setprop(fdt, "/", "compatible", compatible,
25                          sizeof(compatible));
26 }
27 
28 static void e500plat_init(ram_addr_t ram_size,
29                            const char *boot_device,
30                            const char *kernel_filename,
31                            const char *kernel_cmdline,
32                            const char *initrd_filename,
33                            const char *cpu_model)
34 {
35     PPCE500Params params = {
36         .ram_size = ram_size,
37         .boot_device = boot_device,
38         .kernel_filename = kernel_filename,
39         .kernel_cmdline = kernel_cmdline,
40         .initrd_filename = initrd_filename,
41         .cpu_model = cpu_model,
42         .fixup_devtree = e500plat_fixup_devtree,
43     };
44 
45     ppce500_init(&params);
46 }
47 
48 static QEMUMachine e500plat_machine = {
49     .name = "ppce500",
50     .desc = "generic paravirt e500 platform",
51     .init = e500plat_init,
52     .max_cpus = 15,
53 };
54 
55 static void e500plat_machine_init(void)
56 {
57     qemu_register_machine(&e500plat_machine);
58 }
59 
60 machine_init(e500plat_machine_init);
61