LXR qemu/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 "qemu/osdep.h"
  13#include "qemu-common.h"
  14#include "e500.h"
  15#include "hw/boards.h"
  16#include "sysemu/device_tree.h"
  17#include "sysemu/kvm.h"
  18#include "hw/pci/pci.h"
  19#include "hw/ppc/openpic.h"
  20#include "kvm_ppc.h"
  21
  22static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
  23{
  24    const char model[] = "QEMU ppce500";
  25    const char compatible[] = "fsl,qemu-e500";
  26
  27    qemu_fdt_setprop(fdt, "/", "model", model, sizeof(model));
  28    qemu_fdt_setprop(fdt, "/", "compatible", compatible,
  29                     sizeof(compatible));
  30}
  31
  32static void e500plat_init(MachineState *machine)
  33{
  34    PPCE500Params params = {
  35        .pci_first_slot = 0x1,
  36        .pci_nr_slots = PCI_SLOT_MAX - 1,
  37        .fixup_devtree = e500plat_fixup_devtree,
  38        .mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
  39        .has_mpc8xxx_gpio = true,
  40        .has_platform_bus = true,
  41        .platform_bus_base = 0xf00000000ULL,
  42        .platform_bus_size = (128ULL * 1024 * 1024),
  43        .platform_bus_first_irq = 5,
  44        .platform_bus_num_irqs = 10,
  45        .ccsrbar_base = 0xFE0000000ULL,
  46        .pci_pio_base = 0xFE1000000ULL,
  47        .pci_mmio_base = 0xC00000000ULL,
  48        .pci_mmio_bus_base = 0xE0000000ULL,
  49        .spin_base = 0xFEF000000ULL,
  50    };
  51
  52    /* Older KVM versions don't support EPR which breaks guests when we announce
  53       MPIC variants that support EPR. Revert to an older one for those */
  54    if (kvm_enabled() && !kvmppc_has_cap_epr()) {
  55        params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
  56    }
  57
  58    ppce500_init(machine, &params);
  59}
  60
  61static void e500plat_machine_init(MachineClass *mc)
  62{
  63    mc->desc = "generic paravirt e500 platform";
  64    mc->init = e500plat_init;
  65    mc->max_cpus = 32;
  66    mc->has_dynamic_sysbus = true;
  67}
  68
  69DEFINE_MACHINE("ppce500", e500plat_machine_init)
  70