| /* |
| * 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/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 <libfdt.h> |
| |
| #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; |
| Object *via; |
| PCIDevice *dev; |
| 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 = OBJECT(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(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(via, "ide")); |
| pci_ide_create_devs(dev); |
| |
| dev = PCI_DEVICE(object_resolve_path_component(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"); |
| |
| /* additional 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; |
| } |
