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