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
  22 static 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
  32 static 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
  61 static 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
  69 DEFINE_MACHINE("ppce500", e500plat_machine_init)