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 "hw/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);