xref: /openbmc/qemu/hw/sparc64/sun4u.c (revision bb3d5ea858e7f888563a56c8e2d99df47882a4cf)
1 /*
2  * QEMU Sun4u/Sun4v System Emulator
3  *
4  * Copyright (c) 2005 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 #include "qemu/osdep.h"
25 #include "qemu/error-report.h"
26 #include "qapi/error.h"
27 #include "qemu-common.h"
28 #include "cpu.h"
29 #include "hw/hw.h"
30 #include "hw/pci/pci.h"
31 #include "hw/pci/pci_bridge.h"
32 #include "hw/pci/pci_bus.h"
33 #include "hw/pci/pci_host.h"
34 #include "hw/pci-host/sabre.h"
35 #include "hw/i386/pc.h"
36 #include "hw/char/serial.h"
37 #include "hw/char/parallel.h"
38 #include "hw/timer/m48t59.h"
39 #include "hw/block/fdc.h"
40 #include "net/net.h"
41 #include "qemu/timer.h"
42 #include "sysemu/sysemu.h"
43 #include "hw/boards.h"
44 #include "hw/nvram/sun_nvram.h"
45 #include "hw/nvram/chrp_nvram.h"
46 #include "hw/sparc/sparc64.h"
47 #include "hw/nvram/fw_cfg.h"
48 #include "hw/sysbus.h"
49 #include "hw/ide.h"
50 #include "hw/ide/pci.h"
51 #include "hw/loader.h"
52 #include "elf.h"
53 #include "trace.h"
54 #include "qemu/cutils.h"
55 
56 #define KERNEL_LOAD_ADDR     0x00404000
57 #define CMDLINE_ADDR         0x003ff000
58 #define PROM_SIZE_MAX        (4 * 1024 * 1024)
59 #define PROM_VADDR           0x000ffd00000ULL
60 #define PBM_SPECIAL_BASE     0x1fe00000000ULL
61 #define PBM_MEM_BASE         0x1ff00000000ULL
62 #define PBM_PCI_IO_BASE      (PBM_SPECIAL_BASE + 0x02000000ULL)
63 #define PROM_FILENAME        "openbios-sparc64"
64 #define NVRAM_SIZE           0x2000
65 #define MAX_IDE_BUS          2
66 #define BIOS_CFG_IOPORT      0x510
67 #define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
68 #define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
69 #define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
70 
71 #define IVEC_MAX             0x40
72 
73 struct hwdef {
74     uint16_t machine_id;
75     uint64_t prom_addr;
76     uint64_t console_serial_base;
77 };
78 
79 typedef struct EbusState {
80     /*< private >*/
81     PCIDevice parent_obj;
82 
83     ISABus *isa_bus;
84     qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
85     uint64_t console_serial_base;
86     MemoryRegion bar0;
87     MemoryRegion bar1;
88 } EbusState;
89 
90 #define TYPE_EBUS "ebus"
91 #define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
92 
93 void DMA_init(ISABus *bus, int high_page_enable)
94 {
95 }
96 
97 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
98                             Error **errp)
99 {
100     fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
101 }
102 
103 static int sun4u_NVRAM_set_params(Nvram *nvram, uint16_t NVRAM_size,
104                                   const char *arch, ram_addr_t RAM_size,
105                                   const char *boot_devices,
106                                   uint32_t kernel_image, uint32_t kernel_size,
107                                   const char *cmdline,
108                                   uint32_t initrd_image, uint32_t initrd_size,
109                                   uint32_t NVRAM_image,
110                                   int width, int height, int depth,
111                                   const uint8_t *macaddr)
112 {
113     unsigned int i;
114     int sysp_end;
115     uint8_t image[0x1ff0];
116     NvramClass *k = NVRAM_GET_CLASS(nvram);
117 
118     memset(image, '\0', sizeof(image));
119 
120     /* OpenBIOS nvram variables partition */
121     sysp_end = chrp_nvram_create_system_partition(image, 0);
122 
123     /* Free space partition */
124     chrp_nvram_create_free_partition(&image[sysp_end], 0x1fd0 - sysp_end);
125 
126     Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
127 
128     for (i = 0; i < sizeof(image); i++) {
129         (k->write)(nvram, i, image[i]);
130     }
131 
132     return 0;
133 }
134 
135 static uint64_t sun4u_load_kernel(const char *kernel_filename,
136                                   const char *initrd_filename,
137                                   ram_addr_t RAM_size, uint64_t *initrd_size,
138                                   uint64_t *initrd_addr, uint64_t *kernel_addr,
139                                   uint64_t *kernel_entry)
140 {
141     int linux_boot;
142     unsigned int i;
143     long kernel_size;
144     uint8_t *ptr;
145     uint64_t kernel_top;
146 
147     linux_boot = (kernel_filename != NULL);
148 
149     kernel_size = 0;
150     if (linux_boot) {
151         int bswap_needed;
152 
153 #ifdef BSWAP_NEEDED
154         bswap_needed = 1;
155 #else
156         bswap_needed = 0;
157 #endif
158         kernel_size = load_elf(kernel_filename, NULL, NULL, kernel_entry,
159                                kernel_addr, &kernel_top, 1, EM_SPARCV9, 0, 0);
160         if (kernel_size < 0) {
161             *kernel_addr = KERNEL_LOAD_ADDR;
162             *kernel_entry = KERNEL_LOAD_ADDR;
163             kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
164                                     RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
165                                     TARGET_PAGE_SIZE);
166         }
167         if (kernel_size < 0) {
168             kernel_size = load_image_targphys(kernel_filename,
169                                               KERNEL_LOAD_ADDR,
170                                               RAM_size - KERNEL_LOAD_ADDR);
171         }
172         if (kernel_size < 0) {
173             error_report("could not load kernel '%s'", kernel_filename);
174             exit(1);
175         }
176         /* load initrd above kernel */
177         *initrd_size = 0;
178         if (initrd_filename) {
179             *initrd_addr = TARGET_PAGE_ALIGN(kernel_top);
180 
181             *initrd_size = load_image_targphys(initrd_filename,
182                                                *initrd_addr,
183                                                RAM_size - *initrd_addr);
184             if ((int)*initrd_size < 0) {
185                 error_report("could not load initial ram disk '%s'",
186                              initrd_filename);
187                 exit(1);
188             }
189         }
190         if (*initrd_size > 0) {
191             for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
192                 ptr = rom_ptr(*kernel_addr + i);
193                 if (ldl_p(ptr + 8) == 0x48647253) { /* HdrS */
194                     stl_p(ptr + 24, *initrd_addr + *kernel_addr);
195                     stl_p(ptr + 28, *initrd_size);
196                     break;
197                 }
198             }
199         }
200     }
201     return kernel_size;
202 }
203 
204 typedef struct ResetData {
205     SPARCCPU *cpu;
206     uint64_t prom_addr;
207 } ResetData;
208 
209 #define TYPE_SUN4U_POWER "power"
210 #define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER)
211 
212 typedef struct PowerDevice {
213     SysBusDevice parent_obj;
214 
215     MemoryRegion power_mmio;
216 } PowerDevice;
217 
218 /* Power */
219 static void power_mem_write(void *opaque, hwaddr addr,
220                             uint64_t val, unsigned size)
221 {
222     /* According to a real Ultra 5, bit 24 controls the power */
223     if (val & 0x1000000) {
224         qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
225     }
226 }
227 
228 static const MemoryRegionOps power_mem_ops = {
229     .write = power_mem_write,
230     .endianness = DEVICE_NATIVE_ENDIAN,
231     .valid = {
232         .min_access_size = 4,
233         .max_access_size = 4,
234     },
235 };
236 
237 static void power_realize(DeviceState *dev, Error **errp)
238 {
239     PowerDevice *d = SUN4U_POWER(dev);
240     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
241 
242     memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d,
243                           "power", sizeof(uint32_t));
244 
245     sysbus_init_mmio(sbd, &d->power_mmio);
246 }
247 
248 static void power_class_init(ObjectClass *klass, void *data)
249 {
250     DeviceClass *dc = DEVICE_CLASS(klass);
251 
252     dc->realize = power_realize;
253 }
254 
255 static const TypeInfo power_info = {
256     .name          = TYPE_SUN4U_POWER,
257     .parent        = TYPE_SYS_BUS_DEVICE,
258     .instance_size = sizeof(PowerDevice),
259     .class_init    = power_class_init,
260 };
261 
262 static void ebus_isa_irq_handler(void *opaque, int n, int level)
263 {
264     EbusState *s = EBUS(opaque);
265     qemu_irq irq = s->isa_bus_irqs[n];
266 
267     /* Pass ISA bus IRQs onto their gpio equivalent */
268     trace_ebus_isa_irq_handler(n, level);
269     if (irq) {
270         qemu_set_irq(irq, level);
271     }
272 }
273 
274 /* EBUS (Eight bit bus) bridge */
275 static void ebus_realize(PCIDevice *pci_dev, Error **errp)
276 {
277     EbusState *s = EBUS(pci_dev);
278     SysBusDevice *sbd;
279     DeviceState *dev;
280     qemu_irq *isa_irq;
281     DriveInfo *fd[MAX_FD];
282     int i;
283 
284     s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
285                              pci_address_space_io(pci_dev), errp);
286     if (!s->isa_bus) {
287         error_setg(errp, "unable to instantiate EBUS ISA bus");
288         return;
289     }
290 
291     /* ISA bus */
292     isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
293     isa_bus_irqs(s->isa_bus, isa_irq);
294     qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
295                              ISA_NUM_IRQS);
296 
297     /* Serial ports */
298     i = 0;
299     if (s->console_serial_base) {
300         serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
301                        0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
302         i++;
303     }
304     serial_hds_isa_init(s->isa_bus, i, MAX_SERIAL_PORTS);
305 
306     /* Parallel ports */
307     parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
308 
309     /* Keyboard */
310     isa_create_simple(s->isa_bus, "i8042");
311 
312     /* Floppy */
313     for (i = 0; i < MAX_FD; i++) {
314         fd[i] = drive_get(IF_FLOPPY, 0, i);
315     }
316     dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
317     if (fd[0]) {
318         qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
319                             &error_abort);
320     }
321     if (fd[1]) {
322         qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
323                             &error_abort);
324     }
325     qdev_prop_set_uint32(dev, "dma", -1);
326     qdev_init_nofail(dev);
327 
328     /* Power */
329     dev = qdev_create(NULL, TYPE_SUN4U_POWER);
330     qdev_init_nofail(dev);
331     sbd = SYS_BUS_DEVICE(dev);
332     memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240,
333                                 sysbus_mmio_get_region(sbd, 0));
334 
335     /* PCI */
336     pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
337     pci_dev->config[0x05] = 0x00;
338     pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
339     pci_dev->config[0x07] = 0x03; // status = medium devsel
340     pci_dev->config[0x09] = 0x00; // programming i/f
341     pci_dev->config[0x0D] = 0x0a; // latency_timer
342 
343     memory_region_init_alias(&s->bar0, OBJECT(s), "bar0", get_system_io(),
344                              0, 0x1000000);
345     pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
346     memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(),
347                              0, 0x8000);
348     pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
349 }
350 
351 static Property ebus_properties[] = {
352     DEFINE_PROP_UINT64("console-serial-base", EbusState,
353                        console_serial_base, 0),
354     DEFINE_PROP_END_OF_LIST(),
355 };
356 
357 static void ebus_class_init(ObjectClass *klass, void *data)
358 {
359     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
360     DeviceClass *dc = DEVICE_CLASS(klass);
361 
362     k->realize = ebus_realize;
363     k->vendor_id = PCI_VENDOR_ID_SUN;
364     k->device_id = PCI_DEVICE_ID_SUN_EBUS;
365     k->revision = 0x01;
366     k->class_id = PCI_CLASS_BRIDGE_OTHER;
367     dc->props = ebus_properties;
368 }
369 
370 static const TypeInfo ebus_info = {
371     .name          = TYPE_EBUS,
372     .parent        = TYPE_PCI_DEVICE,
373     .class_init    = ebus_class_init,
374     .instance_size = sizeof(EbusState),
375     .interfaces = (InterfaceInfo[]) {
376         { INTERFACE_CONVENTIONAL_PCI_DEVICE },
377         { },
378     },
379 };
380 
381 #define TYPE_OPENPROM "openprom"
382 #define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
383 
384 typedef struct PROMState {
385     SysBusDevice parent_obj;
386 
387     MemoryRegion prom;
388 } PROMState;
389 
390 static uint64_t translate_prom_address(void *opaque, uint64_t addr)
391 {
392     hwaddr *base_addr = (hwaddr *)opaque;
393     return addr + *base_addr - PROM_VADDR;
394 }
395 
396 /* Boot PROM (OpenBIOS) */
397 static void prom_init(hwaddr addr, const char *bios_name)
398 {
399     DeviceState *dev;
400     SysBusDevice *s;
401     char *filename;
402     int ret;
403 
404     dev = qdev_create(NULL, TYPE_OPENPROM);
405     qdev_init_nofail(dev);
406     s = SYS_BUS_DEVICE(dev);
407 
408     sysbus_mmio_map(s, 0, addr);
409 
410     /* load boot prom */
411     if (bios_name == NULL) {
412         bios_name = PROM_FILENAME;
413     }
414     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
415     if (filename) {
416         ret = load_elf(filename, translate_prom_address, &addr,
417                        NULL, NULL, NULL, 1, EM_SPARCV9, 0, 0);
418         if (ret < 0 || ret > PROM_SIZE_MAX) {
419             ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
420         }
421         g_free(filename);
422     } else {
423         ret = -1;
424     }
425     if (ret < 0 || ret > PROM_SIZE_MAX) {
426         error_report("could not load prom '%s'", bios_name);
427         exit(1);
428     }
429 }
430 
431 static void prom_init1(Object *obj)
432 {
433     PROMState *s = OPENPROM(obj);
434     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
435 
436     memory_region_init_ram_nomigrate(&s->prom, obj, "sun4u.prom", PROM_SIZE_MAX,
437                            &error_fatal);
438     vmstate_register_ram_global(&s->prom);
439     memory_region_set_readonly(&s->prom, true);
440     sysbus_init_mmio(dev, &s->prom);
441 }
442 
443 static Property prom_properties[] = {
444     {/* end of property list */},
445 };
446 
447 static void prom_class_init(ObjectClass *klass, void *data)
448 {
449     DeviceClass *dc = DEVICE_CLASS(klass);
450 
451     dc->props = prom_properties;
452 }
453 
454 static const TypeInfo prom_info = {
455     .name          = TYPE_OPENPROM,
456     .parent        = TYPE_SYS_BUS_DEVICE,
457     .instance_size = sizeof(PROMState),
458     .class_init    = prom_class_init,
459     .instance_init = prom_init1,
460 };
461 
462 
463 #define TYPE_SUN4U_MEMORY "memory"
464 #define SUN4U_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4U_MEMORY)
465 
466 typedef struct RamDevice {
467     SysBusDevice parent_obj;
468 
469     MemoryRegion ram;
470     uint64_t size;
471 } RamDevice;
472 
473 /* System RAM */
474 static void ram_realize(DeviceState *dev, Error **errp)
475 {
476     RamDevice *d = SUN4U_RAM(dev);
477     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
478 
479     memory_region_init_ram_nomigrate(&d->ram, OBJECT(d), "sun4u.ram", d->size,
480                            &error_fatal);
481     vmstate_register_ram_global(&d->ram);
482     sysbus_init_mmio(sbd, &d->ram);
483 }
484 
485 static void ram_init(hwaddr addr, ram_addr_t RAM_size)
486 {
487     DeviceState *dev;
488     SysBusDevice *s;
489     RamDevice *d;
490 
491     /* allocate RAM */
492     dev = qdev_create(NULL, TYPE_SUN4U_MEMORY);
493     s = SYS_BUS_DEVICE(dev);
494 
495     d = SUN4U_RAM(dev);
496     d->size = RAM_size;
497     qdev_init_nofail(dev);
498 
499     sysbus_mmio_map(s, 0, addr);
500 }
501 
502 static Property ram_properties[] = {
503     DEFINE_PROP_UINT64("size", RamDevice, size, 0),
504     DEFINE_PROP_END_OF_LIST(),
505 };
506 
507 static void ram_class_init(ObjectClass *klass, void *data)
508 {
509     DeviceClass *dc = DEVICE_CLASS(klass);
510 
511     dc->realize = ram_realize;
512     dc->props = ram_properties;
513 }
514 
515 static const TypeInfo ram_info = {
516     .name          = TYPE_SUN4U_MEMORY,
517     .parent        = TYPE_SYS_BUS_DEVICE,
518     .instance_size = sizeof(RamDevice),
519     .class_init    = ram_class_init,
520 };
521 
522 static void sun4uv_init(MemoryRegion *address_space_mem,
523                         MachineState *machine,
524                         const struct hwdef *hwdef)
525 {
526     SPARCCPU *cpu;
527     Nvram *nvram;
528     unsigned int i;
529     uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
530     SabreState *sabre;
531     PCIBus *pci_bus, *pci_busA, *pci_busB;
532     PCIDevice *ebus, *pci_dev;
533     SysBusDevice *s;
534     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
535     DeviceState *iommu, *dev;
536     FWCfgState *fw_cfg;
537     NICInfo *nd;
538     MACAddr macaddr;
539     bool onboard_nic;
540 
541     /* init CPUs */
542     cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
543 
544     /* IOMMU */
545     iommu = qdev_create(NULL, TYPE_SUN4U_IOMMU);
546     qdev_init_nofail(iommu);
547 
548     /* set up devices */
549     ram_init(0, machine->ram_size);
550 
551     prom_init(hwdef->prom_addr, bios_name);
552 
553     /* Init sabre (PCI host bridge) */
554     sabre = SABRE_DEVICE(qdev_create(NULL, TYPE_SABRE));
555     qdev_prop_set_uint64(DEVICE(sabre), "special-base", PBM_SPECIAL_BASE);
556     qdev_prop_set_uint64(DEVICE(sabre), "mem-base", PBM_MEM_BASE);
557     object_property_set_link(OBJECT(sabre), OBJECT(iommu), "iommu",
558                              &error_abort);
559     qdev_init_nofail(DEVICE(sabre));
560 
561     /* Wire up PCI interrupts to CPU */
562     for (i = 0; i < IVEC_MAX; i++) {
563         qdev_connect_gpio_out_named(DEVICE(sabre), "ivec-irq", i,
564             qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
565     }
566 
567     pci_bus = PCI_HOST_BRIDGE(sabre)->bus;
568     pci_busA = pci_bridge_get_sec_bus(sabre->bridgeA);
569     pci_busB = pci_bridge_get_sec_bus(sabre->bridgeB);
570 
571     /* Only in-built Simba APBs can exist on the root bus, slot 0 on busA is
572        reserved (leaving no slots free after on-board devices) however slots
573        0-3 are free on busB */
574     pci_bus->slot_reserved_mask = 0xfffffffc;
575     pci_busA->slot_reserved_mask = 0xfffffff1;
576     pci_busB->slot_reserved_mask = 0xfffffff0;
577 
578     ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
579     qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
580                          hwdef->console_serial_base);
581     qdev_init_nofail(DEVICE(ebus));
582 
583     /* Wire up "well-known" ISA IRQs to PBM legacy obio IRQs */
584     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
585         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_LPT_IRQ));
586     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
587         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_FDD_IRQ));
588     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
589         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_KBD_IRQ));
590     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
591         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_MSE_IRQ));
592     qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
593         qdev_get_gpio_in_named(DEVICE(sabre), "pbm-irq", OBIO_SER_IRQ));
594 
595     pci_dev = pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
596 
597     memset(&macaddr, 0, sizeof(MACAddr));
598     onboard_nic = false;
599     for (i = 0; i < nb_nics; i++) {
600         nd = &nd_table[i];
601 
602         if (!nd->model || strcmp(nd->model, "sunhme") == 0) {
603             if (!onboard_nic) {
604                 pci_dev = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 1),
605                                                    true, "sunhme");
606                 memcpy(&macaddr, &nd->macaddr.a, sizeof(MACAddr));
607                 onboard_nic = true;
608             } else {
609                 pci_dev = pci_create(pci_busB, -1, "sunhme");
610             }
611         } else {
612             pci_dev = pci_create(pci_busB, -1, nd->model);
613         }
614 
615         dev = &pci_dev->qdev;
616         qdev_set_nic_properties(dev, nd);
617         qdev_init_nofail(dev);
618     }
619 
620     /* If we don't have an onboard NIC, grab a default MAC address so that
621      * we have a valid machine id */
622     if (!onboard_nic) {
623         qemu_macaddr_default_if_unset(&macaddr);
624     }
625 
626     ide_drive_get(hd, ARRAY_SIZE(hd));
627 
628     pci_dev = pci_create(pci_busA, PCI_DEVFN(3, 0), "cmd646-ide");
629     qdev_prop_set_uint32(&pci_dev->qdev, "secondary", 1);
630     qdev_init_nofail(&pci_dev->qdev);
631     pci_ide_create_devs(pci_dev, hd);
632 
633     /* Map NVRAM into I/O (ebus) space */
634     nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
635     s = SYS_BUS_DEVICE(nvram);
636     memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
637                                 sysbus_mmio_get_region(s, 0));
638 
639     initrd_size = 0;
640     initrd_addr = 0;
641     kernel_size = sun4u_load_kernel(machine->kernel_filename,
642                                     machine->initrd_filename,
643                                     ram_size, &initrd_size, &initrd_addr,
644                                     &kernel_addr, &kernel_entry);
645 
646     sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", machine->ram_size,
647                            machine->boot_order,
648                            kernel_addr, kernel_size,
649                            machine->kernel_cmdline,
650                            initrd_addr, initrd_size,
651                            /* XXX: need an option to load a NVRAM image */
652                            0,
653                            graphic_width, graphic_height, graphic_depth,
654                            (uint8_t *)&macaddr);
655 
656     dev = qdev_create(NULL, TYPE_FW_CFG_IO);
657     qdev_prop_set_bit(dev, "dma_enabled", false);
658     object_property_add_child(OBJECT(ebus), TYPE_FW_CFG, OBJECT(dev), NULL);
659     qdev_init_nofail(dev);
660     memory_region_add_subregion(pci_address_space_io(ebus), BIOS_CFG_IOPORT,
661                                 &FW_CFG_IO(dev)->comb_iomem);
662 
663     fw_cfg = FW_CFG(dev);
664     fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
665     fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
666     fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
667     fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
668     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_entry);
669     fw_cfg_add_i64(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
670     if (machine->kernel_cmdline) {
671         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
672                        strlen(machine->kernel_cmdline) + 1);
673         fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, machine->kernel_cmdline);
674     } else {
675         fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
676     }
677     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_ADDR, initrd_addr);
678     fw_cfg_add_i64(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
679     fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, machine->boot_order[0]);
680 
681     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
682     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
683     fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
684 
685     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
686 }
687 
688 enum {
689     sun4u_id = 0,
690     sun4v_id = 64,
691 };
692 
693 static const struct hwdef hwdefs[] = {
694     /* Sun4u generic PC-like machine */
695     {
696         .machine_id = sun4u_id,
697         .prom_addr = 0x1fff0000000ULL,
698         .console_serial_base = 0,
699     },
700     /* Sun4v generic PC-like machine */
701     {
702         .machine_id = sun4v_id,
703         .prom_addr = 0x1fff0000000ULL,
704         .console_serial_base = 0,
705     },
706 };
707 
708 /* Sun4u hardware initialisation */
709 static void sun4u_init(MachineState *machine)
710 {
711     sun4uv_init(get_system_memory(), machine, &hwdefs[0]);
712 }
713 
714 /* Sun4v hardware initialisation */
715 static void sun4v_init(MachineState *machine)
716 {
717     sun4uv_init(get_system_memory(), machine, &hwdefs[1]);
718 }
719 
720 static void sun4u_class_init(ObjectClass *oc, void *data)
721 {
722     MachineClass *mc = MACHINE_CLASS(oc);
723 
724     mc->desc = "Sun4u platform";
725     mc->init = sun4u_init;
726     mc->block_default_type = IF_IDE;
727     mc->max_cpus = 1; /* XXX for now */
728     mc->is_default = 1;
729     mc->default_boot_order = "c";
730     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
731 }
732 
733 static const TypeInfo sun4u_type = {
734     .name = MACHINE_TYPE_NAME("sun4u"),
735     .parent = TYPE_MACHINE,
736     .class_init = sun4u_class_init,
737 };
738 
739 static void sun4v_class_init(ObjectClass *oc, void *data)
740 {
741     MachineClass *mc = MACHINE_CLASS(oc);
742 
743     mc->desc = "Sun4v platform";
744     mc->init = sun4v_init;
745     mc->block_default_type = IF_IDE;
746     mc->max_cpus = 1; /* XXX for now */
747     mc->default_boot_order = "c";
748     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Sun-UltraSparc-T1");
749 }
750 
751 static const TypeInfo sun4v_type = {
752     .name = MACHINE_TYPE_NAME("sun4v"),
753     .parent = TYPE_MACHINE,
754     .class_init = sun4v_class_init,
755 };
756 
757 static void sun4u_register_types(void)
758 {
759     type_register_static(&power_info);
760     type_register_static(&ebus_info);
761     type_register_static(&prom_info);
762     type_register_static(&ram_info);
763 
764     type_register_static(&sun4u_type);
765     type_register_static(&sun4v_type);
766 }
767 
768 type_init(sun4u_register_types)
769