hw/ppc/e500plat.c

   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(QEMUMachineInitArgs *args)
  29 {
  30     ram_addr_t ram_size = args->ram_size;
  31     const char *boot_device = args->boot_device;
  32     const char *cpu_model = args->cpu_model;
  33     const char *kernel_filename = args->kernel_filename;
  34     const char *kernel_cmdline = args->kernel_cmdline;
  35     const char *initrd_filename = args->initrd_filename;
  36     PPCE500Params params = {
  37         .ram_size = ram_size,
  38         .boot_device = boot_device,
  39         .kernel_filename = kernel_filename,
  40         .kernel_cmdline = kernel_cmdline,
  41         .initrd_filename = initrd_filename,
  42         .cpu_model = cpu_model,
  43         .fixup_devtree = e500plat_fixup_devtree,
  44     };
  45
  46     ppce500_init(&params);
  47 }
  48
  49 static QEMUMachine e500plat_machine = {
  50     .name = "ppce500",
  51     .desc = "generic paravirt e500 platform",
  52     .init = e500plat_init,
  53     .max_cpus = 15,
  54 };
  55
  56 static void e500plat_machine_init(void)
  57 {
  58     qemu_register_machine(&e500plat_machine);
  59 }
  60
  61 machine_init(e500plat_machine_init);