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