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, ¶ms); 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) 70