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/*
* Generic device-tree-driven paravirt PPC e500 platform
*
* Copyright 2012 Freescale Semiconductor, Inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "config.h"
#include "qemu-common.h"
#include "e500.h"
#include "hw/boards.h"
#include "sysemu/device_tree.h"
#include "hw/pci/pci.h"
#include "hw/ppc/openpic.h"
#include "kvm_ppc.h"
static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
{
const char model[] = "QEMU ppce500";
const char compatible[] = "fsl,qemu-e500";
qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
qemu_devtree_setprop(fdt, "/", "compatible", compatible,
sizeof(compatible));
}
static void e500plat_init(QEMUMachineInitArgs *args)
{
ram_addr_t ram_size = args->ram_size;
const char *boot_device = args->boot_device;
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
PPCE500Params params = {
.ram_size = ram_size,
.boot_device = boot_device,
.kernel_filename = kernel_filename,
.kernel_cmdline = kernel_cmdline,
.initrd_filename = initrd_filename,
.cpu_model = cpu_model,
.pci_first_slot = 0x1,
.pci_nr_slots = PCI_SLOT_MAX - 1,
.fixup_devtree = e500plat_fixup_devtree,
.mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
};
/* Older KVM versions don't support EPR which breaks guests when we announce
MPIC variants that support EPR. Revert to an older one for those */
if (kvm_enabled() && !kvmppc_has_cap_epr()) {
params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
}
ppce500_init(¶ms);
}
static QEMUMachine e500plat_machine = {
.name = "ppce500",
.desc = "generic paravirt e500 platform",
.init = e500plat_init,
.max_cpus = 32,
DEFAULT_MACHINE_OPTIONS,
};
static void e500plat_machine_init(void)
{
qemu_register_machine(&e500plat_machine);
}
machine_init(e500plat_machine_init);
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