2 * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator
4 * Copyright (c) 2018-2021 BALATON Zoltan
6 * This work is licensed under the GNU GPL license version 2 or later.
10 #include "qemu/osdep.h"
11 #include "qemu-common.h"
12 #include "qemu/units.h"
13 #include "qapi/error.h"
15 #include "hw/ppc/ppc.h"
16 #include "hw/sysbus.h"
17 #include "hw/pci/pci_host.h"
19 #include "hw/pci-host/mv64361.h"
20 #include "hw/isa/vt82c686.h"
21 #include "hw/ide/pci.h"
22 #include "hw/i2c/smbus_eeprom.h"
23 #include "hw/qdev-properties.h"
24 #include "sysemu/reset.h"
25 #include "hw/boards.h"
26 #include "hw/loader.h"
27 #include "hw/fw-path-provider.h"
30 #include "qemu/error-report.h"
31 #include "sysemu/kvm.h"
33 #include "exec/address-spaces.h"
34 #include "qom/qom-qobject.h"
35 #include "qapi/qmp/qdict.h"
37 #include "qemu/datadir.h"
38 #include "sysemu/device_tree.h"
39 #include "hw/ppc/vof.h"
43 #define PROM_FILENAME "vof.bin"
44 #define PROM_ADDR 0xfff00000
45 #define PROM_SIZE 0x80000
47 #define KVMPPC_HCALL_BASE 0xf000
48 #define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0)
49 #define KVMPPC_H_VOF_CLIENT (KVMPPC_HCALL_BASE + 0x5)
52 #define H_PRIVILEGE -3 /* Caller not privileged */
53 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
55 #define BUS_FREQ_HZ 133333333
57 #define PCI0_MEM_BASE 0xc0000000
58 #define PCI0_MEM_SIZE 0x20000000
59 #define PCI0_IO_BASE 0xf8000000
60 #define PCI0_IO_SIZE 0x10000
62 #define PCI1_MEM_BASE 0x80000000
63 #define PCI1_MEM_SIZE 0x40000000
64 #define PCI1_IO_BASE 0xfe000000
65 #define PCI1_IO_SIZE 0x10000
67 #define TYPE_PEGASOS2_MACHINE MACHINE_TYPE_NAME("pegasos2")
68 OBJECT_DECLARE_TYPE(Pegasos2MachineState
, MachineClass
, PEGASOS2_MACHINE
)
70 struct Pegasos2MachineState
{
71 MachineState parent_obj
;
77 uint64_t kernel_entry
;
81 static void *build_fdt(MachineState
*machine
, int *fdt_size
);
83 static void pegasos2_cpu_reset(void *opaque
)
85 PowerPCCPU
*cpu
= opaque
;
86 Pegasos2MachineState
*pm
= PEGASOS2_MACHINE(current_machine
);
89 cpu
->env
.spr
[SPR_HID1
] = 7ULL << 28;
91 cpu
->env
.gpr
[1] = 2 * VOF_STACK_SIZE
- 0x20;
96 static void pegasos2_init(MachineState
*machine
)
98 Pegasos2MachineState
*pm
= PEGASOS2_MACHINE(machine
);
100 MemoryRegion
*rom
= g_new(MemoryRegion
, 1);
104 const char *fwname
= machine
->firmware
?: PROM_FILENAME
;
110 pm
->cpu
= POWERPC_CPU(cpu_create(machine
->cpu_type
));
112 if (PPC_INPUT(env
) != PPC_FLAGS_INPUT_6xx
) {
113 error_report("Incompatible CPU, only 6xx bus supported");
117 /* Set time-base frequency */
118 cpu_ppc_tb_init(env
, BUS_FREQ_HZ
/ 4);
119 qemu_register_reset(pegasos2_cpu_reset
, pm
->cpu
);
122 if (machine
->ram_size
> 2 * GiB
) {
123 error_report("RAM size more than 2 GiB is not supported");
126 memory_region_add_subregion(get_system_memory(), 0, machine
->ram
);
128 /* allocate and load firmware */
129 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, fwname
);
131 error_report("Could not find firmware '%s'", fwname
);
134 if (!machine
->firmware
&& !pm
->vof
) {
135 pm
->vof
= g_malloc0(sizeof(*pm
->vof
));
137 memory_region_init_rom(rom
, NULL
, "pegasos2.rom", PROM_SIZE
, &error_fatal
);
138 memory_region_add_subregion(get_system_memory(), PROM_ADDR
, rom
);
139 sz
= load_elf(filename
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, 1,
140 PPC_ELF_MACHINE
, 0, 0);
142 sz
= load_image_targphys(filename
, pm
->vof
? 0 : PROM_ADDR
, PROM_SIZE
);
144 if (sz
<= 0 || sz
> PROM_SIZE
) {
145 error_report("Could not load firmware '%s'", filename
);
150 pm
->vof
->fw_size
= sz
;
153 /* Marvell Discovery II system controller */
154 pm
->mv
= DEVICE(sysbus_create_simple(TYPE_MV64361
, -1,
155 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
]));
156 pci_bus
= mv64361_get_pci_bus(pm
->mv
, 1);
158 /* VIA VT8231 South Bridge (multifunction PCI device) */
159 /* VT8231 function 0: PCI-to-ISA Bridge */
160 dev
= pci_create_simple_multifunction(pci_bus
, PCI_DEVFN(12, 0), true,
162 qdev_connect_gpio_out(DEVICE(dev
), 0,
163 qdev_get_gpio_in_named(pm
->mv
, "gpp", 31));
165 /* VT8231 function 1: IDE Controller */
166 dev
= pci_create_simple(pci_bus
, PCI_DEVFN(12, 1), "via-ide");
167 pci_ide_create_devs(dev
);
169 /* VT8231 function 2-3: USB Ports */
170 pci_create_simple(pci_bus
, PCI_DEVFN(12, 2), "vt82c686b-usb-uhci");
171 pci_create_simple(pci_bus
, PCI_DEVFN(12, 3), "vt82c686b-usb-uhci");
173 /* VT8231 function 4: Power Management Controller */
174 dev
= pci_create_simple(pci_bus
, PCI_DEVFN(12, 4), TYPE_VT8231_PM
);
175 i2c_bus
= I2C_BUS(qdev_get_child_bus(DEVICE(dev
), "i2c"));
176 spd_data
= spd_data_generate(DDR
, machine
->ram_size
);
177 smbus_eeprom_init_one(i2c_bus
, 0x57, spd_data
);
179 /* VT8231 function 5-6: AC97 Audio & Modem */
180 pci_create_simple(pci_bus
, PCI_DEVFN(12, 5), TYPE_VIA_AC97
);
181 pci_create_simple(pci_bus
, PCI_DEVFN(12, 6), TYPE_VIA_MC97
);
183 /* other PC hardware */
184 pci_vga_init(pci_bus
);
186 if (machine
->kernel_filename
) {
187 sz
= load_elf(machine
->kernel_filename
, NULL
, NULL
, NULL
,
188 &pm
->kernel_entry
, &pm
->kernel_addr
, NULL
, NULL
, 1,
189 PPC_ELF_MACHINE
, 0, 0);
191 error_report("Could not load kernel '%s'",
192 machine
->kernel_filename
);
195 pm
->kernel_size
= sz
;
197 warn_report("Option -kernel may be ineffective with -bios.");
199 } else if (pm
->vof
) {
200 warn_report("Using Virtual OpenFirmware but no -kernel option.");
203 if (!pm
->vof
&& machine
->kernel_cmdline
&& machine
->kernel_cmdline
[0]) {
204 warn_report("Option -append may be ineffective with -bios.");
208 static uint32_t pegasos2_mv_reg_read(Pegasos2MachineState
*pm
,
209 uint32_t addr
, uint32_t len
)
211 MemoryRegion
*r
= sysbus_mmio_get_region(SYS_BUS_DEVICE(pm
->mv
), 0);
212 uint64_t val
= 0xffffffffULL
;
213 memory_region_dispatch_read(r
, addr
, &val
, size_memop(len
) | MO_LE
,
214 MEMTXATTRS_UNSPECIFIED
);
218 static void pegasos2_mv_reg_write(Pegasos2MachineState
*pm
, uint32_t addr
,
219 uint32_t len
, uint32_t val
)
221 MemoryRegion
*r
= sysbus_mmio_get_region(SYS_BUS_DEVICE(pm
->mv
), 0);
222 memory_region_dispatch_write(r
, addr
, val
, size_memop(len
) | MO_LE
,
223 MEMTXATTRS_UNSPECIFIED
);
226 static uint32_t pegasos2_pci_config_read(Pegasos2MachineState
*pm
, int bus
,
227 uint32_t addr
, uint32_t len
)
229 hwaddr pcicfg
= bus
? 0xc78 : 0xcf8;
230 uint64_t val
= 0xffffffffULL
;
233 pegasos2_mv_reg_write(pm
, pcicfg
, 4, addr
| BIT(31));
234 val
= pegasos2_mv_reg_read(pm
, pcicfg
+ 4, len
);
239 static void pegasos2_pci_config_write(Pegasos2MachineState
*pm
, int bus
,
240 uint32_t addr
, uint32_t len
, uint32_t val
)
242 hwaddr pcicfg
= bus
? 0xc78 : 0xcf8;
244 pegasos2_mv_reg_write(pm
, pcicfg
, 4, addr
| BIT(31));
245 pegasos2_mv_reg_write(pm
, pcicfg
+ 4, len
, val
);
248 static void pegasos2_machine_reset(MachineState
*machine
)
250 Pegasos2MachineState
*pm
= PEGASOS2_MACHINE(machine
);
255 qemu_devices_reset();
257 return; /* Firmware should set up machine so nothing to do */
260 /* Otherwise, set up devices that board firmware would normally do */
261 pegasos2_mv_reg_write(pm
, 0, 4, 0x28020ff);
262 pegasos2_mv_reg_write(pm
, 0x278, 4, 0xa31fc);
263 pegasos2_mv_reg_write(pm
, 0xf300, 4, 0x11ff0400);
264 pegasos2_mv_reg_write(pm
, 0xf10c, 4, 0x80000000);
265 pegasos2_mv_reg_write(pm
, 0x1c, 4, 0x8000000);
266 pegasos2_pci_config_write(pm
, 0, PCI_COMMAND
, 2, PCI_COMMAND_IO
|
267 PCI_COMMAND_MEMORY
| PCI_COMMAND_MASTER
);
268 pegasos2_pci_config_write(pm
, 1, PCI_COMMAND
, 2, PCI_COMMAND_IO
|
269 PCI_COMMAND_MEMORY
| PCI_COMMAND_MASTER
);
271 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 0) << 8) |
272 PCI_INTERRUPT_LINE
, 2, 0x9);
273 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 0) << 8) |
276 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 1) << 8) |
277 PCI_INTERRUPT_LINE
, 2, 0x109);
278 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 1) << 8) |
279 PCI_CLASS_PROG
, 1, 0xf);
280 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 1) << 8) |
282 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 1) << 8) |
283 0x50, 4, 0x17171717);
284 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 1) << 8) |
285 PCI_COMMAND
, 2, 0x87);
287 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 2) << 8) |
288 PCI_INTERRUPT_LINE
, 2, 0x409);
290 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 3) << 8) |
291 PCI_INTERRUPT_LINE
, 2, 0x409);
293 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 4) << 8) |
294 PCI_INTERRUPT_LINE
, 2, 0x9);
295 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 4) << 8) |
297 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 4) << 8) |
299 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 4) << 8) |
302 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 5) << 8) |
303 PCI_INTERRUPT_LINE
, 2, 0x309);
305 pegasos2_pci_config_write(pm
, 1, (PCI_DEVFN(12, 6) << 8) |
306 PCI_INTERRUPT_LINE
, 2, 0x309);
308 /* Device tree and VOF set up */
309 vof_init(pm
->vof
, machine
->ram_size
, &error_fatal
);
310 if (vof_claim(pm
->vof
, 0, VOF_STACK_SIZE
, VOF_STACK_SIZE
) == -1) {
311 error_report("Memory allocation for stack failed");
314 if (pm
->kernel_size
&&
315 vof_claim(pm
->vof
, pm
->kernel_addr
, pm
->kernel_size
, 0) == -1) {
316 error_report("Memory for kernel is in use");
319 fdt
= build_fdt(machine
, &sz
);
320 /* FIXME: VOF assumes entry is same as load address */
321 d
[0] = cpu_to_be64(pm
->kernel_entry
);
322 d
[1] = cpu_to_be64(pm
->kernel_size
- (pm
->kernel_entry
- pm
->kernel_addr
));
323 qemu_fdt_setprop(fdt
, "/chosen", "qemu,boot-kernel", d
, sizeof(d
));
325 qemu_fdt_dumpdtb(fdt
, fdt_totalsize(fdt
));
326 g_free(pm
->fdt_blob
);
329 vof_build_dt(fdt
, pm
->vof
);
330 vof_client_open_store(fdt
, pm
->vof
, "/chosen", "stdout", "/failsafe");
331 pm
->cpu
->vhyp
= PPC_VIRTUAL_HYPERVISOR(machine
);
334 enum pegasos2_rtas_tokens
{
335 RTAS_RESTART_RTAS
= 0,
336 RTAS_NVRAM_FETCH
= 1,
337 RTAS_NVRAM_STORE
= 2,
338 RTAS_GET_TIME_OF_DAY
= 3,
339 RTAS_SET_TIME_OF_DAY
= 4,
341 RTAS_CHECK_EXCEPTION
= 7,
342 RTAS_READ_PCI_CONFIG
= 8,
343 RTAS_WRITE_PCI_CONFIG
= 9,
344 RTAS_DISPLAY_CHARACTER
= 10,
345 RTAS_SET_INDICATOR
= 11,
349 RTAS_SYSTEM_REBOOT
= 20,
352 static target_ulong
pegasos2_rtas(PowerPCCPU
*cpu
, Pegasos2MachineState
*pm
,
353 target_ulong args_real
)
355 AddressSpace
*as
= CPU(cpu
)->as
;
356 uint32_t token
= ldl_be_phys(as
, args_real
);
357 uint32_t nargs
= ldl_be_phys(as
, args_real
+ 4);
358 uint32_t nrets
= ldl_be_phys(as
, args_real
+ 8);
359 uint32_t args
= args_real
+ 12;
360 uint32_t rets
= args_real
+ 12 + nargs
* 4;
363 qemu_log_mask(LOG_GUEST_ERROR
, "Too few return values in RTAS call\n");
367 case RTAS_GET_TIME_OF_DAY
:
369 QObject
*qo
= object_property_get_qobject(qdev_get_machine(),
370 "rtc-time", &error_fatal
);
371 QDict
*qd
= qobject_to(QDict
, qo
);
373 if (nargs
!= 0 || nrets
!= 8 || !qd
) {
374 stl_be_phys(as
, rets
, -1);
379 stl_be_phys(as
, rets
, 0);
380 stl_be_phys(as
, rets
+ 4, qdict_get_int(qd
, "tm_year") + 1900);
381 stl_be_phys(as
, rets
+ 8, qdict_get_int(qd
, "tm_mon") + 1);
382 stl_be_phys(as
, rets
+ 12, qdict_get_int(qd
, "tm_mday"));
383 stl_be_phys(as
, rets
+ 16, qdict_get_int(qd
, "tm_hour"));
384 stl_be_phys(as
, rets
+ 20, qdict_get_int(qd
, "tm_min"));
385 stl_be_phys(as
, rets
+ 24, qdict_get_int(qd
, "tm_sec"));
386 stl_be_phys(as
, rets
+ 28, 0);
390 case RTAS_READ_PCI_CONFIG
:
392 uint32_t addr
, len
, val
;
394 if (nargs
!= 2 || nrets
!= 2) {
395 stl_be_phys(as
, rets
, -1);
398 addr
= ldl_be_phys(as
, args
);
399 len
= ldl_be_phys(as
, args
+ 4);
400 val
= pegasos2_pci_config_read(pm
, !(addr
>> 24),
401 addr
& 0x0fffffff, len
);
402 stl_be_phys(as
, rets
, 0);
403 stl_be_phys(as
, rets
+ 4, val
);
406 case RTAS_WRITE_PCI_CONFIG
:
408 uint32_t addr
, len
, val
;
410 if (nargs
!= 3 || nrets
!= 1) {
411 stl_be_phys(as
, rets
, -1);
414 addr
= ldl_be_phys(as
, args
);
415 len
= ldl_be_phys(as
, args
+ 4);
416 val
= ldl_be_phys(as
, args
+ 8);
417 pegasos2_pci_config_write(pm
, !(addr
>> 24),
418 addr
& 0x0fffffff, len
, val
);
419 stl_be_phys(as
, rets
, 0);
422 case RTAS_DISPLAY_CHARACTER
:
423 if (nargs
!= 1 || nrets
!= 1) {
424 stl_be_phys(as
, rets
, -1);
427 qemu_log_mask(LOG_UNIMP
, "%c", ldl_be_phys(as
, args
));
428 stl_be_phys(as
, rets
, 0);
431 qemu_log_mask(LOG_UNIMP
, "Unknown RTAS token %u (args=%u, rets=%u)\n",
432 token
, nargs
, nrets
);
433 stl_be_phys(as
, rets
, 0);
438 static void pegasos2_hypercall(PPCVirtualHypervisor
*vhyp
, PowerPCCPU
*cpu
)
440 Pegasos2MachineState
*pm
= PEGASOS2_MACHINE(vhyp
);
441 CPUPPCState
*env
= &cpu
->env
;
443 /* The TCG path should also be holding the BQL at this point */
444 g_assert(qemu_mutex_iothread_locked());
447 qemu_log_mask(LOG_GUEST_ERROR
, "Hypercall made with MSR[PR]=1\n");
448 env
->gpr
[3] = H_PRIVILEGE
;
449 } else if (env
->gpr
[3] == KVMPPC_H_RTAS
) {
450 env
->gpr
[3] = pegasos2_rtas(cpu
, pm
, env
->gpr
[4]);
451 } else if (env
->gpr
[3] == KVMPPC_H_VOF_CLIENT
) {
452 int ret
= vof_client_call(MACHINE(pm
), pm
->vof
, pm
->fdt_blob
,
454 env
->gpr
[3] = (ret
? H_PARAMETER
: H_SUCCESS
);
456 qemu_log_mask(LOG_GUEST_ERROR
, "Unsupported hypercall " TARGET_FMT_lx
462 static void vhyp_nop(PPCVirtualHypervisor
*vhyp
, PowerPCCPU
*cpu
)
466 static target_ulong
vhyp_encode_hpt_for_kvm_pr(PPCVirtualHypervisor
*vhyp
)
468 return POWERPC_CPU(current_cpu
)->env
.spr
[SPR_SDR1
];
471 static bool pegasos2_setprop(MachineState
*ms
, const char *path
,
472 const char *propname
, void *val
, int vallen
)
477 static void pegasos2_machine_class_init(ObjectClass
*oc
, void *data
)
479 MachineClass
*mc
= MACHINE_CLASS(oc
);
480 PPCVirtualHypervisorClass
*vhc
= PPC_VIRTUAL_HYPERVISOR_CLASS(oc
);
481 VofMachineIfClass
*vmc
= VOF_MACHINE_CLASS(oc
);
483 mc
->desc
= "Genesi/bPlan Pegasos II";
484 mc
->init
= pegasos2_init
;
485 mc
->reset
= pegasos2_machine_reset
;
486 mc
->block_default_type
= IF_IDE
;
487 mc
->default_boot_order
= "cd";
488 mc
->default_display
= "std";
489 mc
->default_cpu_type
= POWERPC_CPU_TYPE_NAME("7400_v2.9");
490 mc
->default_ram_id
= "pegasos2.ram";
491 mc
->default_ram_size
= 512 * MiB
;
493 vhc
->hypercall
= pegasos2_hypercall
;
494 vhc
->cpu_exec_enter
= vhyp_nop
;
495 vhc
->cpu_exec_exit
= vhyp_nop
;
496 vhc
->encode_hpt_for_kvm_pr
= vhyp_encode_hpt_for_kvm_pr
;
498 vmc
->setprop
= pegasos2_setprop
;
501 static const TypeInfo pegasos2_machine_info
= {
502 .name
= TYPE_PEGASOS2_MACHINE
,
503 .parent
= TYPE_MACHINE
,
504 .class_init
= pegasos2_machine_class_init
,
505 .instance_size
= sizeof(Pegasos2MachineState
),
506 .interfaces
= (InterfaceInfo
[]) {
507 { TYPE_PPC_VIRTUAL_HYPERVISOR
},
508 { TYPE_VOF_MACHINE_IF
},
513 static void pegasos2_machine_register_types(void)
515 type_register_static(&pegasos2_machine_info
);
518 type_init(pegasos2_machine_register_types
)
520 /* FDT creation for passing to firmware */
527 /* We do everything in reverse order so it comes out right in the tree */
529 static void dt_ide(PCIBus
*bus
, PCIDevice
*d
, FDTInfo
*fi
)
531 qemu_fdt_setprop_string(fi
->fdt
, fi
->path
, "device_type", "spi");
534 static void dt_usb(PCIBus
*bus
, PCIDevice
*d
, FDTInfo
*fi
)
536 qemu_fdt_setprop_cell(fi
->fdt
, fi
->path
, "#size-cells", 0);
537 qemu_fdt_setprop_cell(fi
->fdt
, fi
->path
, "#address-cells", 1);
538 qemu_fdt_setprop_string(fi
->fdt
, fi
->path
, "device_type", "usb");
541 static void dt_isa(PCIBus
*bus
, PCIDevice
*d
, FDTInfo
*fi
)
543 GString
*name
= g_string_sized_new(64);
546 qemu_fdt_setprop_cell(fi
->fdt
, fi
->path
, "#size-cells", 1);
547 qemu_fdt_setprop_cell(fi
->fdt
, fi
->path
, "#address-cells", 2);
548 qemu_fdt_setprop_string(fi
->fdt
, fi
->path
, "device_type", "isa");
549 qemu_fdt_setprop_string(fi
->fdt
, fi
->path
, "name", "isa");
551 /* addional devices */
552 g_string_printf(name
, "%s/lpt@i3bc", fi
->path
);
553 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
554 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
555 cells
[0] = cpu_to_be32(7);
557 qemu_fdt_setprop(fi
->fdt
, name
->str
, "interrupts",
558 cells
, 2 * sizeof(cells
[0]));
559 cells
[0] = cpu_to_be32(1);
560 cells
[1] = cpu_to_be32(0x3bc);
561 cells
[2] = cpu_to_be32(8);
562 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
563 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "lpt");
564 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "lpt");
566 g_string_printf(name
, "%s/fdc@i3f0", fi
->path
);
567 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
568 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
569 cells
[0] = cpu_to_be32(6);
571 qemu_fdt_setprop(fi
->fdt
, name
->str
, "interrupts",
572 cells
, 2 * sizeof(cells
[0]));
573 cells
[0] = cpu_to_be32(1);
574 cells
[1] = cpu_to_be32(0x3f0);
575 cells
[2] = cpu_to_be32(8);
576 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
577 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "fdc");
578 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "fdc");
580 g_string_printf(name
, "%s/timer@i40", fi
->path
);
581 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
582 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
583 cells
[0] = cpu_to_be32(1);
584 cells
[1] = cpu_to_be32(0x40);
585 cells
[2] = cpu_to_be32(8);
586 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
587 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "timer");
588 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "timer");
590 g_string_printf(name
, "%s/rtc@i70", fi
->path
);
591 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
592 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "compatible", "ds1385-rtc");
593 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
594 cells
[0] = cpu_to_be32(8);
596 qemu_fdt_setprop(fi
->fdt
, name
->str
, "interrupts",
597 cells
, 2 * sizeof(cells
[0]));
598 cells
[0] = cpu_to_be32(1);
599 cells
[1] = cpu_to_be32(0x70);
600 cells
[2] = cpu_to_be32(2);
601 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
602 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "rtc");
603 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "rtc");
605 g_string_printf(name
, "%s/keyboard@i60", fi
->path
);
606 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
607 cells
[0] = cpu_to_be32(1);
609 qemu_fdt_setprop(fi
->fdt
, name
->str
, "interrupts",
610 cells
, 2 * sizeof(cells
[0]));
611 cells
[0] = cpu_to_be32(1);
612 cells
[1] = cpu_to_be32(0x60);
613 cells
[2] = cpu_to_be32(5);
614 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
615 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "keyboard");
616 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "keyboard");
618 g_string_printf(name
, "%s/8042@i60", fi
->path
);
619 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
620 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "#interrupt-cells", 2);
621 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "#size-cells", 0);
622 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "#address-cells", 1);
623 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "interrupt-controller", "");
624 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
625 cells
[0] = cpu_to_be32(1);
626 cells
[1] = cpu_to_be32(0x60);
627 cells
[2] = cpu_to_be32(5);
628 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
629 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "");
630 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "8042");
632 g_string_printf(name
, "%s/serial@i2f8", fi
->path
);
633 qemu_fdt_add_subnode(fi
->fdt
, name
->str
);
634 qemu_fdt_setprop_cell(fi
->fdt
, name
->str
, "clock-frequency", 0);
635 cells
[0] = cpu_to_be32(3);
637 qemu_fdt_setprop(fi
->fdt
, name
->str
, "interrupts",
638 cells
, 2 * sizeof(cells
[0]));
639 cells
[0] = cpu_to_be32(1);
640 cells
[1] = cpu_to_be32(0x2f8);
641 cells
[2] = cpu_to_be32(8);
642 qemu_fdt_setprop(fi
->fdt
, name
->str
, "reg", cells
, 3 * sizeof(cells
[0]));
643 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "device_type", "serial");
644 qemu_fdt_setprop_string(fi
->fdt
, name
->str
, "name", "serial");
646 g_string_free(name
, TRUE
);
652 void (*dtf
)(PCIBus
*bus
, PCIDevice
*d
, FDTInfo
*fi
);
654 { "pci11ab,6460", "host", NULL
},
655 { "pci1106,8231", "isa", dt_isa
},
656 { "pci1106,571", "ide", dt_ide
},
657 { "pci1106,3044", "firewire", NULL
},
658 { "pci1106,3038", "usb", dt_usb
},
659 { "pci1106,8235", "other", NULL
},
660 { "pci1106,3058", "sound", NULL
},
664 static void add_pci_device(PCIBus
*bus
, PCIDevice
*d
, void *opaque
)
666 FDTInfo
*fi
= opaque
;
667 GString
*node
= g_string_new(NULL
);
668 uint32_t cells
[(PCI_NUM_REGIONS
+ 1) * 5];
670 const char *name
= NULL
;
671 g_autofree
const gchar
*pn
= g_strdup_printf("pci%x,%x",
672 pci_get_word(&d
->config
[PCI_VENDOR_ID
]),
673 pci_get_word(&d
->config
[PCI_DEVICE_ID
]));
675 for (i
= 0; device_map
[i
].id
; i
++) {
676 if (!strcmp(pn
, device_map
[i
].id
)) {
677 name
= device_map
[i
].name
;
681 g_string_printf(node
, "%s/%s@%x", fi
->path
, (name
?: pn
),
683 if (PCI_FUNC(d
->devfn
)) {
684 g_string_append_printf(node
, ",%x", PCI_FUNC(d
->devfn
));
687 qemu_fdt_add_subnode(fi
->fdt
, node
->str
);
688 if (device_map
[i
].dtf
) {
689 FDTInfo cfi
= { fi
->fdt
, node
->str
};
690 device_map
[i
].dtf(bus
, d
, &cfi
);
692 cells
[0] = cpu_to_be32(d
->devfn
<< 8);
698 for (i
= 0; i
< PCI_NUM_REGIONS
; i
++) {
699 if (!d
->io_regions
[i
].size
) {
702 cells
[j
] = cpu_to_be32(d
->devfn
<< 8 | (PCI_BASE_ADDRESS_0
+ i
* 4));
703 if (d
->io_regions
[i
].type
& PCI_BASE_ADDRESS_SPACE_IO
) {
704 cells
[j
] |= cpu_to_be32(1 << 24);
706 cells
[j
] |= cpu_to_be32(2 << 24);
707 if (d
->io_regions
[i
].type
& PCI_BASE_ADDRESS_MEM_PREFETCH
) {
708 cells
[j
] |= cpu_to_be32(4 << 28);
713 cells
[j
+ 3] = cpu_to_be32(d
->io_regions
[i
].size
>> 32);
714 cells
[j
+ 4] = cpu_to_be32(d
->io_regions
[i
].size
);
717 qemu_fdt_setprop(fi
->fdt
, node
->str
, "reg", cells
, j
* sizeof(cells
[0]));
718 qemu_fdt_setprop_string(fi
->fdt
, node
->str
, "name", name
?: pn
);
719 if (pci_get_byte(&d
->config
[PCI_INTERRUPT_PIN
])) {
720 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "interrupts",
721 pci_get_byte(&d
->config
[PCI_INTERRUPT_PIN
]));
723 /* Pegasos2 firmware has subsystem-id amd subsystem-vendor-id swapped */
724 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "subsystem-vendor-id",
725 pci_get_word(&d
->config
[PCI_SUBSYSTEM_ID
]));
726 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "subsystem-id",
727 pci_get_word(&d
->config
[PCI_SUBSYSTEM_VENDOR_ID
]));
728 cells
[0] = pci_get_long(&d
->config
[PCI_CLASS_REVISION
]);
729 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "class-code", cells
[0] >> 8);
730 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "revision-id", cells
[0] & 0xff);
731 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "device-id",
732 pci_get_word(&d
->config
[PCI_DEVICE_ID
]));
733 qemu_fdt_setprop_cell(fi
->fdt
, node
->str
, "vendor-id",
734 pci_get_word(&d
->config
[PCI_VENDOR_ID
]));
736 g_string_free(node
, TRUE
);
739 static void *build_fdt(MachineState
*machine
, int *fdt_size
)
741 Pegasos2MachineState
*pm
= PEGASOS2_MACHINE(machine
);
742 PowerPCCPU
*cpu
= pm
->cpu
;
746 void *fdt
= create_device_tree(fdt_size
);
751 qemu_fdt_setprop_string(fdt
, "/", "CODEGEN,description",
752 "Pegasos CHRP PowerPC System");
753 qemu_fdt_setprop_string(fdt
, "/", "CODEGEN,board", "Pegasos2");
754 qemu_fdt_setprop_string(fdt
, "/", "CODEGEN,vendor", "bplan GmbH");
755 qemu_fdt_setprop_string(fdt
, "/", "revision", "2B");
756 qemu_fdt_setprop_string(fdt
, "/", "model", "Pegasos2");
757 qemu_fdt_setprop_string(fdt
, "/", "device_type", "chrp");
758 qemu_fdt_setprop_cell(fdt
, "/", "#address-cells", 1);
759 qemu_fdt_setprop_string(fdt
, "/", "name", "bplan,Pegasos2");
762 qemu_fdt_add_subnode(fdt
, "/pci@c0000000");
765 qemu_fdt_setprop(fdt
, "/pci@c0000000", "bus-range",
766 cells
, 2 * sizeof(cells
[0]));
767 qemu_fdt_setprop_cell(fdt
, "/pci@c0000000", "pci-bridge-number", 1);
768 cells
[0] = cpu_to_be32(PCI0_MEM_BASE
);
769 cells
[1] = cpu_to_be32(PCI0_MEM_SIZE
);
770 qemu_fdt_setprop(fdt
, "/pci@c0000000", "reg", cells
, 2 * sizeof(cells
[0]));
771 cells
[0] = cpu_to_be32(0x01000000);
774 cells
[3] = cpu_to_be32(PCI0_IO_BASE
);
776 cells
[5] = cpu_to_be32(PCI0_IO_SIZE
);
777 cells
[6] = cpu_to_be32(0x02000000);
779 cells
[8] = cpu_to_be32(PCI0_MEM_BASE
);
780 cells
[9] = cpu_to_be32(PCI0_MEM_BASE
);
782 cells
[11] = cpu_to_be32(PCI0_MEM_SIZE
);
783 qemu_fdt_setprop(fdt
, "/pci@c0000000", "ranges",
784 cells
, 12 * sizeof(cells
[0]));
785 qemu_fdt_setprop_cell(fdt
, "/pci@c0000000", "#size-cells", 2);
786 qemu_fdt_setprop_cell(fdt
, "/pci@c0000000", "#address-cells", 3);
787 qemu_fdt_setprop_string(fdt
, "/pci@c0000000", "device_type", "pci");
788 qemu_fdt_setprop_string(fdt
, "/pci@c0000000", "name", "pci");
790 fi
.path
= "/pci@c0000000";
791 pci_bus
= mv64361_get_pci_bus(pm
->mv
, 0);
792 pci_for_each_device_reverse(pci_bus
, 0, add_pci_device
, &fi
);
795 qemu_fdt_add_subnode(fdt
, "/pci@80000000");
798 qemu_fdt_setprop(fdt
, "/pci@80000000", "bus-range",
799 cells
, 2 * sizeof(cells
[0]));
800 qemu_fdt_setprop_cell(fdt
, "/pci@80000000", "pci-bridge-number", 0);
801 cells
[0] = cpu_to_be32(PCI1_MEM_BASE
);
802 cells
[1] = cpu_to_be32(PCI1_MEM_SIZE
);
803 qemu_fdt_setprop(fdt
, "/pci@80000000", "reg", cells
, 2 * sizeof(cells
[0]));
804 qemu_fdt_setprop_cell(fdt
, "/pci@80000000", "8259-interrupt-acknowledge",
806 cells
[0] = cpu_to_be32(0x01000000);
809 cells
[3] = cpu_to_be32(PCI1_IO_BASE
);
811 cells
[5] = cpu_to_be32(PCI1_IO_SIZE
);
812 cells
[6] = cpu_to_be32(0x02000000);
814 cells
[8] = cpu_to_be32(PCI1_MEM_BASE
);
815 cells
[9] = cpu_to_be32(PCI1_MEM_BASE
);
817 cells
[11] = cpu_to_be32(PCI1_MEM_SIZE
);
818 qemu_fdt_setprop(fdt
, "/pci@80000000", "ranges",
819 cells
, 12 * sizeof(cells
[0]));
820 qemu_fdt_setprop_cell(fdt
, "/pci@80000000", "#size-cells", 2);
821 qemu_fdt_setprop_cell(fdt
, "/pci@80000000", "#address-cells", 3);
822 qemu_fdt_setprop_string(fdt
, "/pci@80000000", "device_type", "pci");
823 qemu_fdt_setprop_string(fdt
, "/pci@80000000", "name", "pci");
825 fi
.path
= "/pci@80000000";
826 pci_bus
= mv64361_get_pci_bus(pm
->mv
, 1);
827 pci_for_each_device_reverse(pci_bus
, 0, add_pci_device
, &fi
);
829 qemu_fdt_add_subnode(fdt
, "/failsafe");
830 qemu_fdt_setprop_string(fdt
, "/failsafe", "device_type", "serial");
831 qemu_fdt_setprop_string(fdt
, "/failsafe", "name", "failsafe");
833 qemu_fdt_add_subnode(fdt
, "/rtas");
834 qemu_fdt_setprop_cell(fdt
, "/rtas", "system-reboot", RTAS_SYSTEM_REBOOT
);
835 qemu_fdt_setprop_cell(fdt
, "/rtas", "hibernate", RTAS_HIBERNATE
);
836 qemu_fdt_setprop_cell(fdt
, "/rtas", "suspend", RTAS_SUSPEND
);
837 qemu_fdt_setprop_cell(fdt
, "/rtas", "power-off", RTAS_POWER_OFF
);
838 qemu_fdt_setprop_cell(fdt
, "/rtas", "set-indicator", RTAS_SET_INDICATOR
);
839 qemu_fdt_setprop_cell(fdt
, "/rtas", "display-character",
840 RTAS_DISPLAY_CHARACTER
);
841 qemu_fdt_setprop_cell(fdt
, "/rtas", "write-pci-config",
842 RTAS_WRITE_PCI_CONFIG
);
843 qemu_fdt_setprop_cell(fdt
, "/rtas", "read-pci-config",
844 RTAS_READ_PCI_CONFIG
);
845 /* Pegasos2 firmware misspells check-exception and guests use that */
846 qemu_fdt_setprop_cell(fdt
, "/rtas", "check-execption",
847 RTAS_CHECK_EXCEPTION
);
848 qemu_fdt_setprop_cell(fdt
, "/rtas", "event-scan", RTAS_EVENT_SCAN
);
849 qemu_fdt_setprop_cell(fdt
, "/rtas", "set-time-of-day",
850 RTAS_SET_TIME_OF_DAY
);
851 qemu_fdt_setprop_cell(fdt
, "/rtas", "get-time-of-day",
852 RTAS_GET_TIME_OF_DAY
);
853 qemu_fdt_setprop_cell(fdt
, "/rtas", "nvram-store", RTAS_NVRAM_STORE
);
854 qemu_fdt_setprop_cell(fdt
, "/rtas", "nvram-fetch", RTAS_NVRAM_FETCH
);
855 qemu_fdt_setprop_cell(fdt
, "/rtas", "restart-rtas", RTAS_RESTART_RTAS
);
856 qemu_fdt_setprop_cell(fdt
, "/rtas", "rtas-error-log-max", 0);
857 qemu_fdt_setprop_cell(fdt
, "/rtas", "rtas-event-scan-rate", 0);
858 qemu_fdt_setprop_cell(fdt
, "/rtas", "rtas-display-device", 0);
859 qemu_fdt_setprop_cell(fdt
, "/rtas", "rtas-size", 20);
860 qemu_fdt_setprop_cell(fdt
, "/rtas", "rtas-version", 1);
863 qemu_fdt_add_subnode(fdt
, "/cpus");
864 qemu_fdt_setprop_cell(fdt
, "/cpus", "#cpus", 1);
865 qemu_fdt_setprop_cell(fdt
, "/cpus", "#address-cells", 1);
866 qemu_fdt_setprop_cell(fdt
, "/cpus", "#size-cells", 0);
867 qemu_fdt_setprop_string(fdt
, "/cpus", "name", "cpus");
869 /* FIXME Get CPU name from CPU object */
870 const char *cp
= "/cpus/PowerPC,G4";
871 qemu_fdt_add_subnode(fdt
, cp
);
872 qemu_fdt_setprop_cell(fdt
, cp
, "l2cr", 0);
873 qemu_fdt_setprop_cell(fdt
, cp
, "d-cache-size", 0x8000);
874 qemu_fdt_setprop_cell(fdt
, cp
, "d-cache-block-size",
875 cpu
->env
.dcache_line_size
);
876 qemu_fdt_setprop_cell(fdt
, cp
, "d-cache-line-size",
877 cpu
->env
.dcache_line_size
);
878 qemu_fdt_setprop_cell(fdt
, cp
, "i-cache-size", 0x8000);
879 qemu_fdt_setprop_cell(fdt
, cp
, "i-cache-block-size",
880 cpu
->env
.icache_line_size
);
881 qemu_fdt_setprop_cell(fdt
, cp
, "i-cache-line-size",
882 cpu
->env
.icache_line_size
);
883 if (cpu
->env
.id_tlbs
) {
884 qemu_fdt_setprop_cell(fdt
, cp
, "i-tlb-sets", cpu
->env
.nb_ways
);
885 qemu_fdt_setprop_cell(fdt
, cp
, "i-tlb-size", cpu
->env
.tlb_per_way
);
886 qemu_fdt_setprop_cell(fdt
, cp
, "d-tlb-sets", cpu
->env
.nb_ways
);
887 qemu_fdt_setprop_cell(fdt
, cp
, "d-tlb-size", cpu
->env
.tlb_per_way
);
888 qemu_fdt_setprop_string(fdt
, cp
, "tlb-split", "");
890 qemu_fdt_setprop_cell(fdt
, cp
, "tlb-sets", cpu
->env
.nb_ways
);
891 qemu_fdt_setprop_cell(fdt
, cp
, "tlb-size", cpu
->env
.nb_tlb
);
892 qemu_fdt_setprop_string(fdt
, cp
, "state", "running");
893 if (cpu
->env
.insns_flags
& PPC_ALTIVEC
) {
894 qemu_fdt_setprop_string(fdt
, cp
, "altivec", "");
895 qemu_fdt_setprop_string(fdt
, cp
, "data-streams", "");
898 * FIXME What flags do data-streams, external-control and
899 * performance-monitor depend on?
901 qemu_fdt_setprop_string(fdt
, cp
, "external-control", "");
902 if (cpu
->env
.insns_flags
& PPC_FLOAT_FSQRT
) {
903 qemu_fdt_setprop_string(fdt
, cp
, "general-purpose", "");
905 qemu_fdt_setprop_string(fdt
, cp
, "performance-monitor", "");
906 if (cpu
->env
.insns_flags
& PPC_FLOAT_FRES
) {
907 qemu_fdt_setprop_string(fdt
, cp
, "graphics", "");
909 qemu_fdt_setprop_cell(fdt
, cp
, "reservation-granule-size", 4);
910 qemu_fdt_setprop_cell(fdt
, cp
, "timebase-frequency",
911 cpu
->env
.tb_env
->tb_freq
);
912 qemu_fdt_setprop_cell(fdt
, cp
, "bus-frequency", BUS_FREQ_HZ
);
913 qemu_fdt_setprop_cell(fdt
, cp
, "clock-frequency", BUS_FREQ_HZ
* 7.5);
914 qemu_fdt_setprop_cell(fdt
, cp
, "cpu-version", cpu
->env
.spr
[SPR_PVR
]);
917 qemu_fdt_setprop(fdt
, cp
, "reg", cells
, 2 * sizeof(cells
[0]));
918 qemu_fdt_setprop_string(fdt
, cp
, "device_type", "cpu");
919 qemu_fdt_setprop_string(fdt
, cp
, "name", strrchr(cp
, '/') + 1);
922 qemu_fdt_add_subnode(fdt
, "/memory@0");
924 cells
[1] = cpu_to_be32(machine
->ram_size
);
925 qemu_fdt_setprop(fdt
, "/memory@0", "reg", cells
, 2 * sizeof(cells
[0]));
926 qemu_fdt_setprop_string(fdt
, "/memory@0", "device_type", "memory");
927 qemu_fdt_setprop_string(fdt
, "/memory@0", "name", "memory");
929 qemu_fdt_add_subnode(fdt
, "/chosen");
930 qemu_fdt_setprop_string(fdt
, "/chosen", "bootargs",
931 machine
->kernel_cmdline
?: "");
932 qemu_fdt_setprop_string(fdt
, "/chosen", "name", "chosen");
934 qemu_fdt_add_subnode(fdt
, "/openprom");
935 qemu_fdt_setprop_string(fdt
, "/openprom", "model", "Pegasos2,1.1");