/* * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator * * Copyright (c) 2018-2021 BALATON Zoltan * * This work is licensed under the GNU GPL license version 2 or later. * */ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" #include "hw/hw.h" #include "hw/ppc/ppc.h" #include "hw/sysbus.h" #include "hw/pci/pci_host.h" #include "hw/irq.h" #include "hw/pci-host/mv64361.h" #include "hw/isa/vt82c686.h" #include "hw/ide/pci.h" #include "hw/i2c/smbus_eeprom.h" #include "hw/qdev-properties.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" #include "sysemu/qtest.h" #include "hw/boards.h" #include "hw/loader.h" #include "hw/fw-path-provider.h" #include "elf.h" #include "qemu/log.h" #include "qemu/error-report.h" #include "sysemu/kvm.h" #include "kvm_ppc.h" #include "exec/address-spaces.h" #include "qom/qom-qobject.h" #include "qapi/qmp/qdict.h" #include "trace.h" #include "qemu/datadir.h" #include "sysemu/device_tree.h" #include "hw/ppc/vof.h" #include #define PROM_FILENAME "vof.bin" #define PROM_ADDR 0xfff00000 #define PROM_SIZE 0x80000 #define KVMPPC_HCALL_BASE 0xf000 #define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0) #define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5) #define H_SUCCESS 0 #define H_PRIVILEGE -3 /* Caller not privileged */ #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */ #define BUS_FREQ_HZ 133333333 #define PCI0_CFG_ADDR 0xcf8 #define PCI0_MEM_BASE 0xc0000000 #define PCI0_MEM_SIZE 0x20000000 #define PCI0_IO_BASE 0xf8000000 #define PCI0_IO_SIZE 0x10000 #define PCI1_CFG_ADDR 0xc78 #define PCI1_MEM_BASE 0x80000000 #define PCI1_MEM_SIZE 0x40000000 #define PCI1_IO_BASE 0xfe000000 #define PCI1_IO_SIZE 0x10000 #define TYPE_PEGASOS2_MACHINE MACHINE_TYPE_NAME("pegasos2") OBJECT_DECLARE_TYPE(Pegasos2MachineState, MachineClass, PEGASOS2_MACHINE) struct Pegasos2MachineState { MachineState parent_obj; PowerPCCPU *cpu; DeviceState *mv; Vof *vof; void *fdt_blob; uint64_t kernel_addr; uint64_t kernel_entry; uint64_t kernel_size; }; static void *build_fdt(MachineState *machine, int *fdt_size); static void pegasos2_cpu_reset(void *opaque) { PowerPCCPU *cpu = opaque; Pegasos2MachineState *pm = PEGASOS2_MACHINE(current_machine); cpu_reset(CPU(cpu)); cpu->env.spr[SPR_HID1] = 7ULL << 28; if (pm->vof) { cpu->env.gpr[1] = 2 * VOF_STACK_SIZE - 0x20; cpu->env.nip = 0x100; } } static void pegasos2_init(MachineState *machine) { Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); CPUPPCState *env; MemoryRegion *rom = g_new(MemoryRegion, 1); PCIBus *pci_bus; PCIDevice *dev, *via; I2CBus *i2c_bus; const char *fwname = machine->firmware ?: PROM_FILENAME; char *filename; int sz; uint8_t *spd_data; /* init CPU */ pm->cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); env = &pm->cpu->env; if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { error_report("Incompatible CPU, only 6xx bus supported"); exit(1); } /* Set time-base frequency */ cpu_ppc_tb_init(env, BUS_FREQ_HZ / 4); qemu_register_reset(pegasos2_cpu_reset, pm->cpu); /* RAM */ if (machine->ram_size > 2 * GiB) { error_report("RAM size more than 2 GiB is not supported"); exit(1); } memory_region_add_subregion(get_system_memory(), 0, machine->ram); /* allocate and load firmware */ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname); if (!filename) { error_report("Could not find firmware '%s'", fwname); exit(1); } if (!machine->firmware && !pm->vof) { pm->vof = g_malloc0(sizeof(*pm->vof)); } memory_region_init_rom(rom, NULL, "pegasos2.rom", PROM_SIZE, &error_fatal); memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom); sz = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (sz <= 0) { sz = load_image_targphys(filename, pm->vof ? 0 : PROM_ADDR, PROM_SIZE); } if (sz <= 0 || sz > PROM_SIZE) { error_report("Could not load firmware '%s'", filename); exit(1); } g_free(filename); if (pm->vof) { pm->vof->fw_size = sz; } /* Marvell Discovery II system controller */ pm->mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1, qdev_get_gpio_in(DEVICE(pm->cpu), PPC6xx_INPUT_INT))); pci_bus = mv64361_get_pci_bus(pm->mv, 1); /* VIA VT8231 South Bridge (multifunction PCI device) */ via = pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0), true, TYPE_VT8231_ISA); object_property_add_alias(OBJECT(machine), "rtc-time", object_resolve_path_component(OBJECT(via), "rtc"), "date"); qdev_connect_gpio_out(DEVICE(via), 0, qdev_get_gpio_in_named(pm->mv, "gpp", 31)); dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "ide")); pci_ide_create_devs(dev); dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "pm")); i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c")); spd_data = spd_data_generate(DDR, machine->ram_size); smbus_eeprom_init_one(i2c_bus, 0x57, spd_data); /* other PC hardware */ pci_vga_init(pci_bus); if (machine->kernel_filename) { sz = load_elf(machine->kernel_filename, NULL, NULL, NULL, &pm->kernel_entry, &pm->kernel_addr, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (sz <= 0) { error_report("Could not load kernel '%s'", machine->kernel_filename); exit(1); } pm->kernel_size = sz; if (!pm->vof) { warn_report("Option -kernel may be ineffective with -bios."); } } else if (pm->vof && !qtest_enabled()) { warn_report("Using Virtual OpenFirmware but no -kernel option."); } if (!pm->vof && machine->kernel_cmdline && machine->kernel_cmdline[0]) { warn_report("Option -append may be ineffective with -bios."); } } static uint32_t pegasos2_mv_reg_read(Pegasos2MachineState *pm, uint32_t addr, uint32_t len) { MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); uint64_t val = 0xffffffffULL; memory_region_dispatch_read(r, addr, &val, size_memop(len) | MO_LE, MEMTXATTRS_UNSPECIFIED); return val; } static void pegasos2_mv_reg_write(Pegasos2MachineState *pm, uint32_t addr, uint32_t len, uint32_t val) { MemoryRegion *r = sysbus_mmio_get_region(SYS_BUS_DEVICE(pm->mv), 0); memory_region_dispatch_write(r, addr, val, size_memop(len) | MO_LE, MEMTXATTRS_UNSPECIFIED); } static uint32_t pegasos2_pci_config_read(Pegasos2MachineState *pm, int bus, uint32_t addr, uint32_t len) { hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; uint64_t val = 0xffffffffULL; if (len <= 4) { pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); val = pegasos2_mv_reg_read(pm, pcicfg + 4, len); } return val; } static void pegasos2_pci_config_write(Pegasos2MachineState *pm, int bus, uint32_t addr, uint32_t len, uint32_t val) { hwaddr pcicfg = bus ? PCI1_CFG_ADDR : PCI0_CFG_ADDR; pegasos2_mv_reg_write(pm, pcicfg, 4, addr | BIT(31)); pegasos2_mv_reg_write(pm, pcicfg + 4, len, val); } static void pegasos2_machine_reset(MachineState *machine, ShutdownCause reason) { Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); void *fdt; uint64_t d[2]; int sz; qemu_devices_reset(reason); if (!pm->vof) { return; /* Firmware should set up machine so nothing to do */ } /* Otherwise, set up devices that board firmware would normally do */ pegasos2_mv_reg_write(pm, 0, 4, 0x28020ff); pegasos2_mv_reg_write(pm, 0x278, 4, 0xa31fc); pegasos2_mv_reg_write(pm, 0xf300, 4, 0x11ff0400); pegasos2_mv_reg_write(pm, 0xf10c, 4, 0x80000000); pegasos2_mv_reg_write(pm, 0x1c, 4, 0x8000000); pegasos2_pci_config_write(pm, 0, PCI_COMMAND, 2, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); pegasos2_pci_config_write(pm, 1, PCI_COMMAND, 2, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | PCI_INTERRUPT_LINE, 2, 0x9); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 0) << 8) | 0x50, 1, 0x2); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | PCI_INTERRUPT_LINE, 2, 0x109); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | PCI_CLASS_PROG, 1, 0xf); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 0x40, 1, 0xb); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | 0x50, 4, 0x17171717); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 1) << 8) | PCI_COMMAND, 2, 0x87); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 2) << 8) | PCI_INTERRUPT_LINE, 2, 0x409); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 3) << 8) | PCI_INTERRUPT_LINE, 2, 0x409); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | PCI_INTERRUPT_LINE, 2, 0x9); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 0x48, 4, 0xf00); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 0x40, 4, 0x558020); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 4) << 8) | 0x90, 4, 0xd00); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 5) << 8) | PCI_INTERRUPT_LINE, 2, 0x309); pegasos2_pci_config_write(pm, 1, (PCI_DEVFN(12, 6) << 8) | PCI_INTERRUPT_LINE, 2, 0x309); /* Device tree and VOF set up */ vof_init(pm->vof, machine->ram_size, &error_fatal); if (vof_claim(pm->vof, 0, VOF_STACK_SIZE, VOF_STACK_SIZE) == -1) { error_report("Memory allocation for stack failed"); exit(1); } if (pm->kernel_size && vof_claim(pm->vof, pm->kernel_addr, pm->kernel_size, 0) == -1) { error_report("Memory for kernel is in use"); exit(1); } fdt = build_fdt(machine, &sz); /* FIXME: VOF assumes entry is same as load address */ d[0] = cpu_to_be64(pm->kernel_entry); d[1] = cpu_to_be64(pm->kernel_size - (pm->kernel_entry - pm->kernel_addr)); qemu_fdt_setprop(fdt, "/chosen", "qemu,boot-kernel", d, sizeof(d)); qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); g_free(pm->fdt_blob); pm->fdt_blob = fdt; vof_build_dt(fdt, pm->vof); vof_client_open_store(fdt, pm->vof, "/chosen", "stdout", "/failsafe"); /* Set machine->fdt for 'dumpdtb' QMP/HMP command */ machine->fdt = fdt; pm->cpu->vhyp = PPC_VIRTUAL_HYPERVISOR(machine); } enum pegasos2_rtas_tokens { RTAS_RESTART_RTAS = 0, RTAS_NVRAM_FETCH = 1, RTAS_NVRAM_STORE = 2, RTAS_GET_TIME_OF_DAY = 3, RTAS_SET_TIME_OF_DAY = 4, RTAS_EVENT_SCAN = 6, RTAS_CHECK_EXCEPTION = 7, RTAS_READ_PCI_CONFIG = 8, RTAS_WRITE_PCI_CONFIG = 9, RTAS_DISPLAY_CHARACTER = 10, RTAS_SET_INDICATOR = 11, RTAS_POWER_OFF = 17, RTAS_SUSPEND = 18, RTAS_HIBERNATE = 19, RTAS_SYSTEM_REBOOT = 20, }; static target_ulong pegasos2_rtas(PowerPCCPU *cpu, Pegasos2MachineState *pm, target_ulong args_real) { AddressSpace *as = CPU(cpu)->as; uint32_t token = ldl_be_phys(as, args_real); uint32_t nargs = ldl_be_phys(as, args_real + 4); uint32_t nrets = ldl_be_phys(as, args_real + 8); uint32_t args = args_real + 12; uint32_t rets = args_real + 12 + nargs * 4; if (nrets < 1) { qemu_log_mask(LOG_GUEST_ERROR, "Too few return values in RTAS call\n"); return H_PARAMETER; } switch (token) { case RTAS_GET_TIME_OF_DAY: { QObject *qo = object_property_get_qobject(qdev_get_machine(), "rtc-time", &error_fatal); QDict *qd = qobject_to(QDict, qo); if (nargs != 0 || nrets != 8 || !qd) { stl_be_phys(as, rets, -1); qobject_unref(qo); return H_PARAMETER; } stl_be_phys(as, rets, 0); stl_be_phys(as, rets + 4, qdict_get_int(qd, "tm_year") + 1900); stl_be_phys(as, rets + 8, qdict_get_int(qd, "tm_mon") + 1); stl_be_phys(as, rets + 12, qdict_get_int(qd, "tm_mday")); stl_be_phys(as, rets + 16, qdict_get_int(qd, "tm_hour")); stl_be_phys(as, rets + 20, qdict_get_int(qd, "tm_min")); stl_be_phys(as, rets + 24, qdict_get_int(qd, "tm_sec")); stl_be_phys(as, rets + 28, 0); qobject_unref(qo); return H_SUCCESS; } case RTAS_READ_PCI_CONFIG: { uint32_t addr, len, val; if (nargs != 2 || nrets != 2) { stl_be_phys(as, rets, -1); return H_PARAMETER; } addr = ldl_be_phys(as, args); len = ldl_be_phys(as, args + 4); val = pegasos2_pci_config_read(pm, !(addr >> 24), addr & 0x0fffffff, len); stl_be_phys(as, rets, 0); stl_be_phys(as, rets + 4, val); return H_SUCCESS; } case RTAS_WRITE_PCI_CONFIG: { uint32_t addr, len, val; if (nargs != 3 || nrets != 1) { stl_be_phys(as, rets, -1); return H_PARAMETER; } addr = ldl_be_phys(as, args); len = ldl_be_phys(as, args + 4); val = ldl_be_phys(as, args + 8); pegasos2_pci_config_write(pm, !(addr >> 24), addr & 0x0fffffff, len, val); stl_be_phys(as, rets, 0); return H_SUCCESS; } case RTAS_DISPLAY_CHARACTER: if (nargs != 1 || nrets != 1) { stl_be_phys(as, rets, -1); return H_PARAMETER; } qemu_log_mask(LOG_UNIMP, "%c", ldl_be_phys(as, args)); stl_be_phys(as, rets, 0); return H_SUCCESS; case RTAS_POWER_OFF: { if (nargs != 2 || nrets != 1) { stl_be_phys(as, rets, -1); return H_PARAMETER; } qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); stl_be_phys(as, rets, 0); return H_SUCCESS; } default: qemu_log_mask(LOG_UNIMP, "Unknown RTAS token %u (args=%u, rets=%u)\n", token, nargs, nrets); stl_be_phys(as, rets, 0); return H_SUCCESS; } } static bool pegasos2_cpu_in_nested(PowerPCCPU *cpu) { return false; } static void pegasos2_hypercall(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) { Pegasos2MachineState *pm = PEGASOS2_MACHINE(vhyp); CPUPPCState *env = &cpu->env; /* The TCG path should also be holding the BQL at this point */ g_assert(qemu_mutex_iothread_locked()); if (FIELD_EX64(env->msr, MSR, PR)) { qemu_log_mask(LOG_GUEST_ERROR, "Hypercall made with MSR[PR]=1\n"); env->gpr[3] = H_PRIVILEGE; } else if (env->gpr[3] == KVMPPC_H_RTAS) { env->gpr[3] = pegasos2_rtas(cpu, pm, env->gpr[4]); } else if (env->gpr[3] == KVMPPC_H_VOF_CLIENT) { int ret = vof_client_call(MACHINE(pm), pm->vof, pm->fdt_blob, env->gpr[4]); env->gpr[3] = (ret ? H_PARAMETER : H_SUCCESS); } else { qemu_log_mask(LOG_GUEST_ERROR, "Unsupported hypercall " TARGET_FMT_lx "\n", env->gpr[3]); env->gpr[3] = -1; } } static void vhyp_nop(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu) { } static target_ulong vhyp_encode_hpt_for_kvm_pr(PPCVirtualHypervisor *vhyp) { return POWERPC_CPU(current_cpu)->env.spr[SPR_SDR1]; } static bool pegasos2_setprop(MachineState *ms, const char *path, const char *propname, void *val, int vallen) { return true; } static void pegasos2_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc); VofMachineIfClass *vmc = VOF_MACHINE_CLASS(oc); mc->desc = "Genesi/bPlan Pegasos II"; mc->init = pegasos2_init; mc->reset = pegasos2_machine_reset; mc->block_default_type = IF_IDE; mc->default_boot_order = "cd"; mc->default_display = "std"; mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9"); mc->default_ram_id = "pegasos2.ram"; mc->default_ram_size = 512 * MiB; vhc->cpu_in_nested = pegasos2_cpu_in_nested; vhc->hypercall = pegasos2_hypercall; vhc->cpu_exec_enter = vhyp_nop; vhc->cpu_exec_exit = vhyp_nop; vhc->encode_hpt_for_kvm_pr = vhyp_encode_hpt_for_kvm_pr; vmc->setprop = pegasos2_setprop; } static const TypeInfo pegasos2_machine_info = { .name = TYPE_PEGASOS2_MACHINE, .parent = TYPE_MACHINE, .class_init = pegasos2_machine_class_init, .instance_size = sizeof(Pegasos2MachineState), .interfaces = (InterfaceInfo[]) { { TYPE_PPC_VIRTUAL_HYPERVISOR }, { TYPE_VOF_MACHINE_IF }, { } }, }; static void pegasos2_machine_register_types(void) { type_register_static(&pegasos2_machine_info); } type_init(pegasos2_machine_register_types) /* FDT creation for passing to firmware */ typedef struct { void *fdt; const char *path; } FDTInfo; /* We do everything in reverse order so it comes out right in the tree */ static void dt_ide(PCIBus *bus, PCIDevice *d, FDTInfo *fi) { qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "spi"); } static void dt_usb(PCIBus *bus, PCIDevice *d, FDTInfo *fi) { qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 0); qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 1); qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "usb"); } static void dt_isa(PCIBus *bus, PCIDevice *d, FDTInfo *fi) { GString *name = g_string_sized_new(64); uint32_t cells[3]; qemu_fdt_setprop_cell(fi->fdt, fi->path, "#size-cells", 1); qemu_fdt_setprop_cell(fi->fdt, fi->path, "#address-cells", 2); qemu_fdt_setprop_string(fi->fdt, fi->path, "device_type", "isa"); qemu_fdt_setprop_string(fi->fdt, fi->path, "name", "isa"); /* addional devices */ g_string_printf(name, "%s/lpt@i3bc", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(7); cells[1] = 0; qemu_fdt_setprop(fi->fdt, name->str, "interrupts", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x3bc); cells[2] = cpu_to_be32(8); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "lpt"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "lpt"); g_string_printf(name, "%s/fdc@i3f0", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(6); cells[1] = 0; qemu_fdt_setprop(fi->fdt, name->str, "interrupts", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x3f0); cells[2] = cpu_to_be32(8); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "fdc"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "fdc"); g_string_printf(name, "%s/timer@i40", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x40); cells[2] = cpu_to_be32(8); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "timer"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "timer"); g_string_printf(name, "%s/rtc@i70", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_string(fi->fdt, name->str, "compatible", "ds1385-rtc"); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(8); cells[1] = 0; qemu_fdt_setprop(fi->fdt, name->str, "interrupts", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x70); cells[2] = cpu_to_be32(2); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "rtc"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "rtc"); g_string_printf(name, "%s/keyboard@i60", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); cells[0] = cpu_to_be32(1); cells[1] = 0; qemu_fdt_setprop(fi->fdt, name->str, "interrupts", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x60); cells[2] = cpu_to_be32(5); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "keyboard"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "keyboard"); g_string_printf(name, "%s/8042@i60", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_cell(fi->fdt, name->str, "#interrupt-cells", 2); qemu_fdt_setprop_cell(fi->fdt, name->str, "#size-cells", 0); qemu_fdt_setprop_cell(fi->fdt, name->str, "#address-cells", 1); qemu_fdt_setprop_string(fi->fdt, name->str, "interrupt-controller", ""); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x60); cells[2] = cpu_to_be32(5); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", ""); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "8042"); g_string_printf(name, "%s/serial@i2f8", fi->path); qemu_fdt_add_subnode(fi->fdt, name->str); qemu_fdt_setprop_cell(fi->fdt, name->str, "clock-frequency", 0); cells[0] = cpu_to_be32(3); cells[1] = 0; qemu_fdt_setprop(fi->fdt, name->str, "interrupts", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(1); cells[1] = cpu_to_be32(0x2f8); cells[2] = cpu_to_be32(8); qemu_fdt_setprop(fi->fdt, name->str, "reg", cells, 3 * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, name->str, "device_type", "serial"); qemu_fdt_setprop_string(fi->fdt, name->str, "name", "serial"); g_string_free(name, TRUE); } static struct { const char *id; const char *name; void (*dtf)(PCIBus *bus, PCIDevice *d, FDTInfo *fi); } device_map[] = { { "pci11ab,6460", "host", NULL }, { "pci1106,8231", "isa", dt_isa }, { "pci1106,571", "ide", dt_ide }, { "pci1106,3044", "firewire", NULL }, { "pci1106,3038", "usb", dt_usb }, { "pci1106,8235", "other", NULL }, { "pci1106,3058", "sound", NULL }, { NULL, NULL } }; static void add_pci_device(PCIBus *bus, PCIDevice *d, void *opaque) { FDTInfo *fi = opaque; GString *node = g_string_new(NULL); uint32_t cells[(PCI_NUM_REGIONS + 1) * 5]; int i, j; const char *name = NULL; g_autofree const gchar *pn = g_strdup_printf("pci%x,%x", pci_get_word(&d->config[PCI_VENDOR_ID]), pci_get_word(&d->config[PCI_DEVICE_ID])); for (i = 0; device_map[i].id; i++) { if (!strcmp(pn, device_map[i].id)) { name = device_map[i].name; break; } } g_string_printf(node, "%s/%s@%x", fi->path, (name ?: pn), PCI_SLOT(d->devfn)); if (PCI_FUNC(d->devfn)) { g_string_append_printf(node, ",%x", PCI_FUNC(d->devfn)); } qemu_fdt_add_subnode(fi->fdt, node->str); if (device_map[i].dtf) { FDTInfo cfi = { fi->fdt, node->str }; device_map[i].dtf(bus, d, &cfi); } cells[0] = cpu_to_be32(d->devfn << 8); cells[1] = 0; cells[2] = 0; cells[3] = 0; cells[4] = 0; j = 5; for (i = 0; i < PCI_NUM_REGIONS; i++) { if (!d->io_regions[i].size) { continue; } cells[j] = cpu_to_be32(d->devfn << 8 | (PCI_BASE_ADDRESS_0 + i * 4)); if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { cells[j] |= cpu_to_be32(1 << 24); } else { cells[j] |= cpu_to_be32(2 << 24); if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_PREFETCH) { cells[j] |= cpu_to_be32(4 << 28); } } cells[j + 1] = 0; cells[j + 2] = 0; cells[j + 3] = cpu_to_be32(d->io_regions[i].size >> 32); cells[j + 4] = cpu_to_be32(d->io_regions[i].size); j += 5; } qemu_fdt_setprop(fi->fdt, node->str, "reg", cells, j * sizeof(cells[0])); qemu_fdt_setprop_string(fi->fdt, node->str, "name", name ?: pn); if (pci_get_byte(&d->config[PCI_INTERRUPT_PIN])) { qemu_fdt_setprop_cell(fi->fdt, node->str, "interrupts", pci_get_byte(&d->config[PCI_INTERRUPT_PIN])); } /* Pegasos2 firmware has subsystem-id amd subsystem-vendor-id swapped */ qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-vendor-id", pci_get_word(&d->config[PCI_SUBSYSTEM_ID])); qemu_fdt_setprop_cell(fi->fdt, node->str, "subsystem-id", pci_get_word(&d->config[PCI_SUBSYSTEM_VENDOR_ID])); cells[0] = pci_get_long(&d->config[PCI_CLASS_REVISION]); qemu_fdt_setprop_cell(fi->fdt, node->str, "class-code", cells[0] >> 8); qemu_fdt_setprop_cell(fi->fdt, node->str, "revision-id", cells[0] & 0xff); qemu_fdt_setprop_cell(fi->fdt, node->str, "device-id", pci_get_word(&d->config[PCI_DEVICE_ID])); qemu_fdt_setprop_cell(fi->fdt, node->str, "vendor-id", pci_get_word(&d->config[PCI_VENDOR_ID])); g_string_free(node, TRUE); } static void *build_fdt(MachineState *machine, int *fdt_size) { Pegasos2MachineState *pm = PEGASOS2_MACHINE(machine); PowerPCCPU *cpu = pm->cpu; PCIBus *pci_bus; FDTInfo fi; uint32_t cells[16]; void *fdt = create_device_tree(fdt_size); fi.fdt = fdt; /* root node */ qemu_fdt_setprop_string(fdt, "/", "CODEGEN,description", "Pegasos CHRP PowerPC System"); qemu_fdt_setprop_string(fdt, "/", "CODEGEN,board", "Pegasos2"); qemu_fdt_setprop_string(fdt, "/", "CODEGEN,vendor", "bplan GmbH"); qemu_fdt_setprop_string(fdt, "/", "revision", "2B"); qemu_fdt_setprop_string(fdt, "/", "model", "Pegasos2"); qemu_fdt_setprop_string(fdt, "/", "device_type", "chrp"); qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 1); qemu_fdt_setprop_string(fdt, "/", "name", "bplan,Pegasos2"); /* pci@c0000000 */ qemu_fdt_add_subnode(fdt, "/pci@c0000000"); cells[0] = 0; cells[1] = 0; qemu_fdt_setprop(fdt, "/pci@c0000000", "bus-range", cells, 2 * sizeof(cells[0])); qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "pci-bridge-number", 1); cells[0] = cpu_to_be32(PCI0_MEM_BASE); cells[1] = cpu_to_be32(PCI0_MEM_SIZE); qemu_fdt_setprop(fdt, "/pci@c0000000", "reg", cells, 2 * sizeof(cells[0])); cells[0] = cpu_to_be32(0x01000000); cells[1] = 0; cells[2] = 0; cells[3] = cpu_to_be32(PCI0_IO_BASE); cells[4] = 0; cells[5] = cpu_to_be32(PCI0_IO_SIZE); cells[6] = cpu_to_be32(0x02000000); cells[7] = 0; cells[8] = cpu_to_be32(PCI0_MEM_BASE); cells[9] = cpu_to_be32(PCI0_MEM_BASE); cells[10] = 0; cells[11] = cpu_to_be32(PCI0_MEM_SIZE); qemu_fdt_setprop(fdt, "/pci@c0000000", "ranges", cells, 12 * sizeof(cells[0])); qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#size-cells", 2); qemu_fdt_setprop_cell(fdt, "/pci@c0000000", "#address-cells", 3); qemu_fdt_setprop_string(fdt, "/pci@c0000000", "device_type", "pci"); qemu_fdt_setprop_string(fdt, "/pci@c0000000", "name", "pci"); fi.path = "/pci@c0000000"; pci_bus = mv64361_get_pci_bus(pm->mv, 0); pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); /* pci@80000000 */ qemu_fdt_add_subnode(fdt, "/pci@80000000"); cells[0] = 0; cells[1] = 0; qemu_fdt_setprop(fdt, "/pci@80000000", "bus-range", cells, 2 * sizeof(cells[0])); qemu_fdt_setprop_cell(fdt, "/pci@80000000", "pci-bridge-number", 0); cells[0] = cpu_to_be32(PCI1_MEM_BASE); cells[1] = cpu_to_be32(PCI1_MEM_SIZE); qemu_fdt_setprop(fdt, "/pci@80000000", "reg", cells, 2 * sizeof(cells[0])); qemu_fdt_setprop_cell(fdt, "/pci@80000000", "8259-interrupt-acknowledge", 0xf1000cb4); cells[0] = cpu_to_be32(0x01000000); cells[1] = 0; cells[2] = 0; cells[3] = cpu_to_be32(PCI1_IO_BASE); cells[4] = 0; cells[5] = cpu_to_be32(PCI1_IO_SIZE); cells[6] = cpu_to_be32(0x02000000); cells[7] = 0; cells[8] = cpu_to_be32(PCI1_MEM_BASE); cells[9] = cpu_to_be32(PCI1_MEM_BASE); cells[10] = 0; cells[11] = cpu_to_be32(PCI1_MEM_SIZE); qemu_fdt_setprop(fdt, "/pci@80000000", "ranges", cells, 12 * sizeof(cells[0])); qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#size-cells", 2); qemu_fdt_setprop_cell(fdt, "/pci@80000000", "#address-cells", 3); qemu_fdt_setprop_string(fdt, "/pci@80000000", "device_type", "pci"); qemu_fdt_setprop_string(fdt, "/pci@80000000", "name", "pci"); fi.path = "/pci@80000000"; pci_bus = mv64361_get_pci_bus(pm->mv, 1); pci_for_each_device_reverse(pci_bus, 0, add_pci_device, &fi); qemu_fdt_add_subnode(fdt, "/failsafe"); qemu_fdt_setprop_string(fdt, "/failsafe", "device_type", "serial"); qemu_fdt_setprop_string(fdt, "/failsafe", "name", "failsafe"); qemu_fdt_add_subnode(fdt, "/rtas"); qemu_fdt_setprop_cell(fdt, "/rtas", "system-reboot", RTAS_SYSTEM_REBOOT); qemu_fdt_setprop_cell(fdt, "/rtas", "hibernate", RTAS_HIBERNATE); qemu_fdt_setprop_cell(fdt, "/rtas", "suspend", RTAS_SUSPEND); qemu_fdt_setprop_cell(fdt, "/rtas", "power-off", RTAS_POWER_OFF); qemu_fdt_setprop_cell(fdt, "/rtas", "set-indicator", RTAS_SET_INDICATOR); qemu_fdt_setprop_cell(fdt, "/rtas", "display-character", RTAS_DISPLAY_CHARACTER); qemu_fdt_setprop_cell(fdt, "/rtas", "write-pci-config", RTAS_WRITE_PCI_CONFIG); qemu_fdt_setprop_cell(fdt, "/rtas", "read-pci-config", RTAS_READ_PCI_CONFIG); /* Pegasos2 firmware misspells check-exception and guests use that */ qemu_fdt_setprop_cell(fdt, "/rtas", "check-execption", RTAS_CHECK_EXCEPTION); qemu_fdt_setprop_cell(fdt, "/rtas", "event-scan", RTAS_EVENT_SCAN); qemu_fdt_setprop_cell(fdt, "/rtas", "set-time-of-day", RTAS_SET_TIME_OF_DAY); qemu_fdt_setprop_cell(fdt, "/rtas", "get-time-of-day", RTAS_GET_TIME_OF_DAY); qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-store", RTAS_NVRAM_STORE); qemu_fdt_setprop_cell(fdt, "/rtas", "nvram-fetch", RTAS_NVRAM_FETCH); qemu_fdt_setprop_cell(fdt, "/rtas", "restart-rtas", RTAS_RESTART_RTAS); qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-error-log-max", 0); qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-event-scan-rate", 0); qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-display-device", 0); qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size", 20); qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-version", 1); /* cpus */ qemu_fdt_add_subnode(fdt, "/cpus"); qemu_fdt_setprop_cell(fdt, "/cpus", "#cpus", 1); qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 1); qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0); qemu_fdt_setprop_string(fdt, "/cpus", "name", "cpus"); /* FIXME Get CPU name from CPU object */ const char *cp = "/cpus/PowerPC,G4"; qemu_fdt_add_subnode(fdt, cp); qemu_fdt_setprop_cell(fdt, cp, "l2cr", 0); qemu_fdt_setprop_cell(fdt, cp, "d-cache-size", 0x8000); qemu_fdt_setprop_cell(fdt, cp, "d-cache-block-size", cpu->env.dcache_line_size); qemu_fdt_setprop_cell(fdt, cp, "d-cache-line-size", cpu->env.dcache_line_size); qemu_fdt_setprop_cell(fdt, cp, "i-cache-size", 0x8000); qemu_fdt_setprop_cell(fdt, cp, "i-cache-block-size", cpu->env.icache_line_size); qemu_fdt_setprop_cell(fdt, cp, "i-cache-line-size", cpu->env.icache_line_size); if (cpu->env.id_tlbs) { qemu_fdt_setprop_cell(fdt, cp, "i-tlb-sets", cpu->env.nb_ways); qemu_fdt_setprop_cell(fdt, cp, "i-tlb-size", cpu->env.tlb_per_way); qemu_fdt_setprop_cell(fdt, cp, "d-tlb-sets", cpu->env.nb_ways); qemu_fdt_setprop_cell(fdt, cp, "d-tlb-size", cpu->env.tlb_per_way); qemu_fdt_setprop_string(fdt, cp, "tlb-split", ""); } qemu_fdt_setprop_cell(fdt, cp, "tlb-sets", cpu->env.nb_ways); qemu_fdt_setprop_cell(fdt, cp, "tlb-size", cpu->env.nb_tlb); qemu_fdt_setprop_string(fdt, cp, "state", "running"); if (cpu->env.insns_flags & PPC_ALTIVEC) { qemu_fdt_setprop_string(fdt, cp, "altivec", ""); qemu_fdt_setprop_string(fdt, cp, "data-streams", ""); } /* * FIXME What flags do data-streams, external-control and * performance-monitor depend on? */ qemu_fdt_setprop_string(fdt, cp, "external-control", ""); if (cpu->env.insns_flags & PPC_FLOAT_FSQRT) { qemu_fdt_setprop_string(fdt, cp, "general-purpose", ""); } qemu_fdt_setprop_string(fdt, cp, "performance-monitor", ""); if (cpu->env.insns_flags & PPC_FLOAT_FRES) { qemu_fdt_setprop_string(fdt, cp, "graphics", ""); } qemu_fdt_setprop_cell(fdt, cp, "reservation-granule-size", 4); qemu_fdt_setprop_cell(fdt, cp, "timebase-frequency", cpu->env.tb_env->tb_freq); qemu_fdt_setprop_cell(fdt, cp, "bus-frequency", BUS_FREQ_HZ); qemu_fdt_setprop_cell(fdt, cp, "clock-frequency", BUS_FREQ_HZ * 7.5); qemu_fdt_setprop_cell(fdt, cp, "cpu-version", cpu->env.spr[SPR_PVR]); cells[0] = 0; cells[1] = 0; qemu_fdt_setprop(fdt, cp, "reg", cells, 2 * sizeof(cells[0])); qemu_fdt_setprop_string(fdt, cp, "device_type", "cpu"); qemu_fdt_setprop_string(fdt, cp, "name", strrchr(cp, '/') + 1); /* memory */ qemu_fdt_add_subnode(fdt, "/memory@0"); cells[0] = 0; cells[1] = cpu_to_be32(machine->ram_size); qemu_fdt_setprop(fdt, "/memory@0", "reg", cells, 2 * sizeof(cells[0])); qemu_fdt_setprop_string(fdt, "/memory@0", "device_type", "memory"); qemu_fdt_setprop_string(fdt, "/memory@0", "name", "memory"); qemu_fdt_add_subnode(fdt, "/chosen"); qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", machine->kernel_cmdline ?: ""); qemu_fdt_setprop_string(fdt, "/chosen", "name", "chosen"); qemu_fdt_add_subnode(fdt, "/openprom"); qemu_fdt_setprop_string(fdt, "/openprom", "model", "Pegasos2,1.1"); return fdt; }