Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jul-02-2019' into...
[qemu/ar7.git] / hw / ppc / prep.c
bloba248ce480d576ff9e762b8d7f53e6fbe769d3fe6
1 /*
2 * QEMU PPC PREP hardware System Emulator
4 * Copyright (c) 2003-2007 Jocelyn Mayer
5 * Copyright (c) 2017 Hervé Poussineau
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
25 #include "qemu/osdep.h"
26 #include "cpu.h"
27 #include "hw/hw.h"
28 #include "hw/timer/m48t59.h"
29 #include "hw/char/serial.h"
30 #include "hw/block/fdc.h"
31 #include "net/net.h"
32 #include "sysemu/sysemu.h"
33 #include "hw/isa/isa.h"
34 #include "hw/pci/pci.h"
35 #include "hw/pci/pci_host.h"
36 #include "hw/ppc/ppc.h"
37 #include "hw/boards.h"
38 #include "qemu/error-report.h"
39 #include "qemu/log.h"
40 #include "hw/ide.h"
41 #include "hw/loader.h"
42 #include "hw/timer/mc146818rtc.h"
43 #include "hw/isa/pc87312.h"
44 #include "hw/net/ne2000-isa.h"
45 #include "sysemu/arch_init.h"
46 #include "sysemu/kvm.h"
47 #include "sysemu/qtest.h"
48 #include "exec/address-spaces.h"
49 #include "trace.h"
50 #include "elf.h"
51 #include "qemu/units.h"
52 #include "kvm_ppc.h"
54 /* SMP is not enabled, for now */
55 #define MAX_CPUS 1
57 #define MAX_IDE_BUS 2
59 #define CFG_ADDR 0xf0000510
61 #define BIOS_SIZE (1 * MiB)
62 #define BIOS_FILENAME "ppc_rom.bin"
63 #define KERNEL_LOAD_ADDR 0x01000000
64 #define INITRD_LOAD_ADDR 0x01800000
66 /* Constants for devices init */
67 static const int ide_iobase[2] = { 0x1f0, 0x170 };
68 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
69 static const int ide_irq[2] = { 13, 13 };
71 #define NE2000_NB_MAX 6
73 static uint32_t ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 0x280, 0x380 };
74 static int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 };
76 /* ISA IO ports bridge */
77 #define PPC_IO_BASE 0x80000000
79 /* Fake super-io ports for PREP platform (Intel 82378ZB) */
80 typedef struct sysctrl_t {
81 qemu_irq reset_irq;
82 Nvram *nvram;
83 uint8_t state;
84 uint8_t syscontrol;
85 int contiguous_map;
86 qemu_irq contiguous_map_irq;
87 int endian;
88 } sysctrl_t;
90 enum {
91 STATE_HARDFILE = 0x01,
94 static sysctrl_t *sysctrl;
96 static void PREP_io_800_writeb (void *opaque, uint32_t addr, uint32_t val)
98 sysctrl_t *sysctrl = opaque;
100 trace_prep_io_800_writeb(addr - PPC_IO_BASE, val);
101 switch (addr) {
102 case 0x0092:
103 /* Special port 92 */
104 /* Check soft reset asked */
105 if (val & 0x01) {
106 qemu_irq_raise(sysctrl->reset_irq);
107 } else {
108 qemu_irq_lower(sysctrl->reset_irq);
110 /* Check LE mode */
111 if (val & 0x02) {
112 sysctrl->endian = 1;
113 } else {
114 sysctrl->endian = 0;
116 break;
117 case 0x0800:
118 /* Motorola CPU configuration register : read-only */
119 break;
120 case 0x0802:
121 /* Motorola base module feature register : read-only */
122 break;
123 case 0x0803:
124 /* Motorola base module status register : read-only */
125 break;
126 case 0x0808:
127 /* Hardfile light register */
128 if (val & 1)
129 sysctrl->state |= STATE_HARDFILE;
130 else
131 sysctrl->state &= ~STATE_HARDFILE;
132 break;
133 case 0x0810:
134 /* Password protect 1 register */
135 if (sysctrl->nvram != NULL) {
136 NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
137 (k->toggle_lock)(sysctrl->nvram, 1);
139 break;
140 case 0x0812:
141 /* Password protect 2 register */
142 if (sysctrl->nvram != NULL) {
143 NvramClass *k = NVRAM_GET_CLASS(sysctrl->nvram);
144 (k->toggle_lock)(sysctrl->nvram, 2);
146 break;
147 case 0x0814:
148 /* L2 invalidate register */
149 // tlb_flush(first_cpu, 1);
150 break;
151 case 0x081C:
152 /* system control register */
153 sysctrl->syscontrol = val & 0x0F;
154 break;
155 case 0x0850:
156 /* I/O map type register */
157 sysctrl->contiguous_map = val & 0x01;
158 qemu_set_irq(sysctrl->contiguous_map_irq, sysctrl->contiguous_map);
159 break;
160 default:
161 printf("ERROR: unaffected IO port write: %04" PRIx32
162 " => %02" PRIx32"\n", addr, val);
163 break;
167 static uint32_t PREP_io_800_readb (void *opaque, uint32_t addr)
169 sysctrl_t *sysctrl = opaque;
170 uint32_t retval = 0xFF;
172 switch (addr) {
173 case 0x0092:
174 /* Special port 92 */
175 retval = sysctrl->endian << 1;
176 break;
177 case 0x0800:
178 /* Motorola CPU configuration register */
179 retval = 0xEF; /* MPC750 */
180 break;
181 case 0x0802:
182 /* Motorola Base module feature register */
183 retval = 0xAD; /* No ESCC, PMC slot neither ethernet */
184 break;
185 case 0x0803:
186 /* Motorola base module status register */
187 retval = 0xE0; /* Standard MPC750 */
188 break;
189 case 0x080C:
190 /* Equipment present register:
191 * no L2 cache
192 * no upgrade processor
193 * no cards in PCI slots
194 * SCSI fuse is bad
196 retval = 0x3C;
197 break;
198 case 0x0810:
199 /* Motorola base module extended feature register */
200 retval = 0x39; /* No USB, CF and PCI bridge. NVRAM present */
201 break;
202 case 0x0814:
203 /* L2 invalidate: don't care */
204 break;
205 case 0x0818:
206 /* Keylock */
207 retval = 0x00;
208 break;
209 case 0x081C:
210 /* system control register
211 * 7 - 6 / 1 - 0: L2 cache enable
213 retval = sysctrl->syscontrol;
214 break;
215 case 0x0823:
216 /* */
217 retval = 0x03; /* no L2 cache */
218 break;
219 case 0x0850:
220 /* I/O map type register */
221 retval = sysctrl->contiguous_map;
222 break;
223 default:
224 printf("ERROR: unaffected IO port: %04" PRIx32 " read\n", addr);
225 break;
227 trace_prep_io_800_readb(addr - PPC_IO_BASE, retval);
229 return retval;
233 #define NVRAM_SIZE 0x2000
235 static void fw_cfg_boot_set(void *opaque, const char *boot_device,
236 Error **errp)
238 fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
241 static void ppc_prep_reset(void *opaque)
243 PowerPCCPU *cpu = opaque;
245 cpu_reset(CPU(cpu));
248 static const MemoryRegionPortio prep_portio_list[] = {
249 /* System control ports */
250 { 0x0092, 1, 1, .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
251 { 0x0800, 0x52, 1,
252 .read = PREP_io_800_readb, .write = PREP_io_800_writeb, },
253 /* Special port to get debug messages from Open-Firmware */
254 { 0x0F00, 4, 1, .write = PPC_debug_write, },
255 PORTIO_END_OF_LIST(),
258 static PortioList prep_port_list;
260 /*****************************************************************************/
261 /* NVRAM helpers */
262 static inline uint32_t nvram_read(Nvram *nvram, uint32_t addr)
264 NvramClass *k = NVRAM_GET_CLASS(nvram);
265 return (k->read)(nvram, addr);
268 static inline void nvram_write(Nvram *nvram, uint32_t addr, uint32_t val)
270 NvramClass *k = NVRAM_GET_CLASS(nvram);
271 (k->write)(nvram, addr, val);
274 static void NVRAM_set_byte(Nvram *nvram, uint32_t addr, uint8_t value)
276 nvram_write(nvram, addr, value);
279 static uint8_t NVRAM_get_byte(Nvram *nvram, uint32_t addr)
281 return nvram_read(nvram, addr);
284 static void NVRAM_set_word(Nvram *nvram, uint32_t addr, uint16_t value)
286 nvram_write(nvram, addr, value >> 8);
287 nvram_write(nvram, addr + 1, value & 0xFF);
290 static uint16_t NVRAM_get_word(Nvram *nvram, uint32_t addr)
292 uint16_t tmp;
294 tmp = nvram_read(nvram, addr) << 8;
295 tmp |= nvram_read(nvram, addr + 1);
297 return tmp;
300 static void NVRAM_set_lword(Nvram *nvram, uint32_t addr, uint32_t value)
302 nvram_write(nvram, addr, value >> 24);
303 nvram_write(nvram, addr + 1, (value >> 16) & 0xFF);
304 nvram_write(nvram, addr + 2, (value >> 8) & 0xFF);
305 nvram_write(nvram, addr + 3, value & 0xFF);
308 static void NVRAM_set_string(Nvram *nvram, uint32_t addr, const char *str,
309 uint32_t max)
311 int i;
313 for (i = 0; i < max && str[i] != '\0'; i++) {
314 nvram_write(nvram, addr + i, str[i]);
316 nvram_write(nvram, addr + i, str[i]);
317 nvram_write(nvram, addr + max - 1, '\0');
320 static uint16_t NVRAM_crc_update (uint16_t prev, uint16_t value)
322 uint16_t tmp;
323 uint16_t pd, pd1, pd2;
325 tmp = prev >> 8;
326 pd = prev ^ value;
327 pd1 = pd & 0x000F;
328 pd2 = ((pd >> 4) & 0x000F) ^ pd1;
329 tmp ^= (pd1 << 3) | (pd1 << 8);
330 tmp ^= pd2 | (pd2 << 7) | (pd2 << 12);
332 return tmp;
335 static uint16_t NVRAM_compute_crc (Nvram *nvram, uint32_t start, uint32_t count)
337 uint32_t i;
338 uint16_t crc = 0xFFFF;
339 int odd;
341 odd = count & 1;
342 count &= ~1;
343 for (i = 0; i != count; i++) {
344 crc = NVRAM_crc_update(crc, NVRAM_get_word(nvram, start + i));
346 if (odd) {
347 crc = NVRAM_crc_update(crc, NVRAM_get_byte(nvram, start + i) << 8);
350 return crc;
353 #define CMDLINE_ADDR 0x017ff000
355 static int PPC_NVRAM_set_params (Nvram *nvram, uint16_t NVRAM_size,
356 const char *arch,
357 uint32_t RAM_size, int boot_device,
358 uint32_t kernel_image, uint32_t kernel_size,
359 const char *cmdline,
360 uint32_t initrd_image, uint32_t initrd_size,
361 uint32_t NVRAM_image,
362 int width, int height, int depth)
364 uint16_t crc;
366 /* Set parameters for Open Hack'Ware BIOS */
367 NVRAM_set_string(nvram, 0x00, "QEMU_BIOS", 16);
368 NVRAM_set_lword(nvram, 0x10, 0x00000002); /* structure v2 */
369 NVRAM_set_word(nvram, 0x14, NVRAM_size);
370 NVRAM_set_string(nvram, 0x20, arch, 16);
371 NVRAM_set_lword(nvram, 0x30, RAM_size);
372 NVRAM_set_byte(nvram, 0x34, boot_device);
373 NVRAM_set_lword(nvram, 0x38, kernel_image);
374 NVRAM_set_lword(nvram, 0x3C, kernel_size);
375 if (cmdline) {
376 /* XXX: put the cmdline in NVRAM too ? */
377 pstrcpy_targphys("cmdline", CMDLINE_ADDR, RAM_size - CMDLINE_ADDR,
378 cmdline);
379 NVRAM_set_lword(nvram, 0x40, CMDLINE_ADDR);
380 NVRAM_set_lword(nvram, 0x44, strlen(cmdline));
381 } else {
382 NVRAM_set_lword(nvram, 0x40, 0);
383 NVRAM_set_lword(nvram, 0x44, 0);
385 NVRAM_set_lword(nvram, 0x48, initrd_image);
386 NVRAM_set_lword(nvram, 0x4C, initrd_size);
387 NVRAM_set_lword(nvram, 0x50, NVRAM_image);
389 NVRAM_set_word(nvram, 0x54, width);
390 NVRAM_set_word(nvram, 0x56, height);
391 NVRAM_set_word(nvram, 0x58, depth);
392 crc = NVRAM_compute_crc(nvram, 0x00, 0xF8);
393 NVRAM_set_word(nvram, 0xFC, crc);
395 return 0;
398 /* PowerPC PREP hardware initialisation */
399 static void ppc_prep_init(MachineState *machine)
401 ram_addr_t ram_size = machine->ram_size;
402 const char *kernel_filename = machine->kernel_filename;
403 const char *kernel_cmdline = machine->kernel_cmdline;
404 const char *initrd_filename = machine->initrd_filename;
405 const char *boot_device = machine->boot_order;
406 MemoryRegion *sysmem = get_system_memory();
407 PowerPCCPU *cpu = NULL;
408 CPUPPCState *env = NULL;
409 Nvram *m48t59;
410 #if 0
411 MemoryRegion *xcsr = g_new(MemoryRegion, 1);
412 #endif
413 int linux_boot, i, nb_nics1;
414 MemoryRegion *ram = g_new(MemoryRegion, 1);
415 uint32_t kernel_base, initrd_base;
416 long kernel_size, initrd_size;
417 DeviceState *dev;
418 PCIHostState *pcihost;
419 PCIBus *pci_bus;
420 PCIDevice *pci;
421 ISABus *isa_bus;
422 ISADevice *isa;
423 int ppc_boot_device;
424 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
426 sysctrl = g_malloc0(sizeof(sysctrl_t));
428 linux_boot = (kernel_filename != NULL);
430 /* init CPUs */
431 for (i = 0; i < smp_cpus; i++) {
432 cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
433 env = &cpu->env;
435 if (env->flags & POWERPC_FLAG_RTC_CLK) {
436 /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
437 cpu_ppc_tb_init(env, 7812500UL);
438 } else {
439 /* Set time-base frequency to 100 Mhz */
440 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
442 qemu_register_reset(ppc_prep_reset, cpu);
445 /* allocate RAM */
446 memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
447 memory_region_add_subregion(sysmem, 0, ram);
449 if (linux_boot) {
450 kernel_base = KERNEL_LOAD_ADDR;
451 /* now we can load the kernel */
452 kernel_size = load_image_targphys(kernel_filename, kernel_base,
453 ram_size - kernel_base);
454 if (kernel_size < 0) {
455 error_report("could not load kernel '%s'", kernel_filename);
456 exit(1);
458 /* load initrd */
459 if (initrd_filename) {
460 initrd_base = INITRD_LOAD_ADDR;
461 initrd_size = load_image_targphys(initrd_filename, initrd_base,
462 ram_size - initrd_base);
463 if (initrd_size < 0) {
464 error_report("could not load initial ram disk '%s'",
465 initrd_filename);
466 exit(1);
468 } else {
469 initrd_base = 0;
470 initrd_size = 0;
472 ppc_boot_device = 'm';
473 } else {
474 kernel_base = 0;
475 kernel_size = 0;
476 initrd_base = 0;
477 initrd_size = 0;
478 ppc_boot_device = '\0';
479 /* For now, OHW cannot boot from the network. */
480 for (i = 0; boot_device[i] != '\0'; i++) {
481 if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
482 ppc_boot_device = boot_device[i];
483 break;
486 if (ppc_boot_device == '\0') {
487 error_report("No valid boot device for Mac99 machine");
488 exit(1);
492 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
493 error_report("Only 6xx bus is supported on PREP machine");
494 exit(1);
497 dev = qdev_create(NULL, "raven-pcihost");
498 if (bios_name == NULL) {
499 bios_name = BIOS_FILENAME;
501 qdev_prop_set_string(dev, "bios-name", bios_name);
502 qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
503 qdev_prop_set_bit(dev, "is-legacy-prep", true);
504 pcihost = PCI_HOST_BRIDGE(dev);
505 object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
506 qdev_init_nofail(dev);
507 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
508 if (pci_bus == NULL) {
509 error_report("Couldn't create PCI host controller");
510 exit(1);
512 sysctrl->contiguous_map_irq = qdev_get_gpio_in(dev, 0);
514 /* PCI -> ISA bridge */
515 pci = pci_create_simple(pci_bus, PCI_DEVFN(1, 0), "i82378");
516 cpu = POWERPC_CPU(first_cpu);
517 qdev_connect_gpio_out(&pci->qdev, 0,
518 cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
519 sysbus_connect_irq(&pcihost->busdev, 0, qdev_get_gpio_in(&pci->qdev, 9));
520 sysbus_connect_irq(&pcihost->busdev, 1, qdev_get_gpio_in(&pci->qdev, 11));
521 sysbus_connect_irq(&pcihost->busdev, 2, qdev_get_gpio_in(&pci->qdev, 9));
522 sysbus_connect_irq(&pcihost->busdev, 3, qdev_get_gpio_in(&pci->qdev, 11));
523 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci), "isa.0"));
525 /* Super I/O (parallel + serial ports) */
526 isa = isa_create(isa_bus, TYPE_PC87312_SUPERIO);
527 dev = DEVICE(isa);
528 qdev_prop_set_uint8(dev, "config", 13); /* fdc, ser0, ser1, par0 */
529 qdev_init_nofail(dev);
531 /* init basic PC hardware */
532 pci_vga_init(pci_bus);
534 nb_nics1 = nb_nics;
535 if (nb_nics1 > NE2000_NB_MAX)
536 nb_nics1 = NE2000_NB_MAX;
537 for(i = 0; i < nb_nics1; i++) {
538 if (nd_table[i].model == NULL) {
539 nd_table[i].model = g_strdup("ne2k_isa");
541 if (strcmp(nd_table[i].model, "ne2k_isa") == 0) {
542 isa_ne2000_init(isa_bus, ne2000_io[i], ne2000_irq[i],
543 &nd_table[i]);
544 } else {
545 pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
549 ide_drive_get(hd, ARRAY_SIZE(hd));
550 for(i = 0; i < MAX_IDE_BUS; i++) {
551 isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i],
552 hd[2 * i],
553 hd[2 * i + 1]);
556 cpu = POWERPC_CPU(first_cpu);
557 sysctrl->reset_irq = cpu->env.irq_inputs[PPC6xx_INPUT_HRESET];
559 portio_list_init(&prep_port_list, NULL, prep_portio_list, sysctrl, "prep");
560 portio_list_add(&prep_port_list, isa_address_space_io(isa), 0x0);
563 * PowerPC control and status register group: unimplemented,
564 * would be at address 0xFEFF0000.
567 if (machine_usb(machine)) {
568 pci_create_simple(pci_bus, -1, "pci-ohci");
571 m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59);
572 if (m48t59 == NULL)
573 return;
574 sysctrl->nvram = m48t59;
576 /* Initialise NVRAM */
577 PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
578 ppc_boot_device,
579 kernel_base, kernel_size,
580 kernel_cmdline,
581 initrd_base, initrd_size,
582 /* XXX: need an option to load a NVRAM image */
584 graphic_width, graphic_height, graphic_depth);
587 static void prep_machine_init(MachineClass *mc)
589 mc->deprecation_reason = "use 40p machine type instead";
590 mc->desc = "PowerPC PREP platform";
591 mc->init = ppc_prep_init;
592 mc->block_default_type = IF_IDE;
593 mc->max_cpus = MAX_CPUS;
594 mc->default_boot_order = "cad";
595 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("602");
596 mc->default_display = "std";
599 static int prep_set_cmos_checksum(DeviceState *dev, void *opaque)
601 uint16_t checksum = *(uint16_t *)opaque;
602 ISADevice *rtc;
604 if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) {
605 rtc = ISA_DEVICE(dev);
606 rtc_set_memory(rtc, 0x2e, checksum & 0xff);
607 rtc_set_memory(rtc, 0x3e, checksum & 0xff);
608 rtc_set_memory(rtc, 0x2f, checksum >> 8);
609 rtc_set_memory(rtc, 0x3f, checksum >> 8);
611 object_property_add_alias(qdev_get_machine(), "rtc-time", OBJECT(rtc),
612 "date", NULL);
614 return 0;
617 static void ibm_40p_init(MachineState *machine)
619 CPUPPCState *env = NULL;
620 uint16_t cmos_checksum;
621 PowerPCCPU *cpu;
622 DeviceState *dev, *i82378_dev;
623 SysBusDevice *pcihost, *s;
624 Nvram *m48t59 = NULL;
625 PCIBus *pci_bus;
626 ISABus *isa_bus;
627 void *fw_cfg;
628 int i;
629 uint32_t kernel_base = 0, initrd_base = 0;
630 long kernel_size = 0, initrd_size = 0;
631 char boot_device;
633 /* init CPU */
634 cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
635 env = &cpu->env;
636 if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
637 error_report("only 6xx bus is supported on this machine");
638 exit(1);
641 if (env->flags & POWERPC_FLAG_RTC_CLK) {
642 /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
643 cpu_ppc_tb_init(env, 7812500UL);
644 } else {
645 /* Set time-base frequency to 100 Mhz */
646 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
648 qemu_register_reset(ppc_prep_reset, cpu);
650 /* PCI host */
651 dev = qdev_create(NULL, "raven-pcihost");
652 if (!bios_name) {
653 bios_name = "openbios-ppc";
655 qdev_prop_set_string(dev, "bios-name", bios_name);
656 qdev_prop_set_uint32(dev, "elf-machine", PPC_ELF_MACHINE);
657 pcihost = SYS_BUS_DEVICE(dev);
658 object_property_add_child(qdev_get_machine(), "raven", OBJECT(dev), NULL);
659 qdev_init_nofail(dev);
660 pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci.0"));
661 if (!pci_bus) {
662 error_report("could not create PCI host controller");
663 exit(1);
666 /* PCI -> ISA bridge */
667 i82378_dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(11, 0), "i82378"));
668 qdev_connect_gpio_out(i82378_dev, 0,
669 cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
670 sysbus_connect_irq(pcihost, 0, qdev_get_gpio_in(i82378_dev, 15));
671 isa_bus = ISA_BUS(qdev_get_child_bus(i82378_dev, "isa.0"));
673 /* Memory controller */
674 dev = DEVICE(isa_create(isa_bus, "rs6000-mc"));
675 qdev_prop_set_uint32(dev, "ram-size", machine->ram_size);
676 qdev_init_nofail(dev);
678 /* RTC */
679 dev = DEVICE(isa_create(isa_bus, TYPE_MC146818_RTC));
680 qdev_prop_set_int32(dev, "base_year", 1900);
681 qdev_init_nofail(dev);
683 /* initialize CMOS checksums */
684 cmos_checksum = 0x6aa9;
685 qbus_walk_children(BUS(isa_bus), prep_set_cmos_checksum, NULL, NULL, NULL,
686 &cmos_checksum);
688 /* add some more devices */
689 if (defaults_enabled()) {
690 m48t59 = NVRAM(isa_create_simple(isa_bus, "isa-m48t59"));
692 dev = DEVICE(isa_create(isa_bus, "cs4231a"));
693 qdev_prop_set_uint32(dev, "iobase", 0x830);
694 qdev_prop_set_uint32(dev, "irq", 10);
695 qdev_init_nofail(dev);
697 dev = DEVICE(isa_create(isa_bus, "pc87312"));
698 qdev_prop_set_uint32(dev, "config", 12);
699 qdev_init_nofail(dev);
701 dev = DEVICE(isa_create(isa_bus, "prep-systemio"));
702 qdev_prop_set_uint32(dev, "ibm-planar-id", 0xfc);
703 qdev_prop_set_uint32(dev, "equipment", 0xc0);
704 qdev_init_nofail(dev);
706 dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(1, 0),
707 "lsi53c810"));
708 lsi53c8xx_handle_legacy_cmdline(dev);
709 qdev_connect_gpio_out(dev, 0, qdev_get_gpio_in(i82378_dev, 13));
711 /* XXX: s3-trio at PCI_DEVFN(2, 0) */
712 pci_vga_init(pci_bus);
714 for (i = 0; i < nb_nics; i++) {
715 pci_nic_init_nofail(&nd_table[i], pci_bus, "pcnet",
716 i == 0 ? "3" : NULL);
720 /* Prepare firmware configuration for OpenBIOS */
721 dev = qdev_create(NULL, TYPE_FW_CFG_MEM);
722 fw_cfg = FW_CFG(dev);
723 qdev_prop_set_uint32(dev, "data_width", 1);
724 qdev_prop_set_bit(dev, "dma_enabled", false);
725 object_property_add_child(OBJECT(qdev_get_machine()), TYPE_FW_CFG,
726 OBJECT(fw_cfg), NULL);
727 qdev_init_nofail(dev);
728 s = SYS_BUS_DEVICE(dev);
729 sysbus_mmio_map(s, 0, CFG_ADDR);
730 sysbus_mmio_map(s, 1, CFG_ADDR + 2);
732 if (machine->kernel_filename) {
733 /* load kernel */
734 kernel_base = KERNEL_LOAD_ADDR;
735 kernel_size = load_image_targphys(machine->kernel_filename,
736 kernel_base,
737 machine->ram_size - kernel_base);
738 if (kernel_size < 0) {
739 error_report("could not load kernel '%s'",
740 machine->kernel_filename);
741 exit(1);
743 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base);
744 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
745 /* load initrd */
746 if (machine->initrd_filename) {
747 initrd_base = INITRD_LOAD_ADDR;
748 initrd_size = load_image_targphys(machine->initrd_filename,
749 initrd_base,
750 machine->ram_size - initrd_base);
751 if (initrd_size < 0) {
752 error_report("could not load initial ram disk '%s'",
753 machine->initrd_filename);
754 exit(1);
756 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base);
757 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
759 if (machine->kernel_cmdline && *machine->kernel_cmdline) {
760 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
761 pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE,
762 machine->kernel_cmdline);
763 fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA,
764 machine->kernel_cmdline);
765 fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
766 strlen(machine->kernel_cmdline) + 1);
768 boot_device = 'm';
769 } else {
770 boot_device = machine->boot_order[0];
773 fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
774 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size);
775 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_PREP);
777 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width);
778 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height);
779 fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth);
781 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
782 if (kvm_enabled()) {
783 uint8_t *hypercall;
785 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
786 hypercall = g_malloc(16);
787 kvmppc_get_hypercall(env, hypercall, 16);
788 fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16);
789 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid());
790 } else {
791 fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, NANOSECONDS_PER_SECOND);
793 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device);
794 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
796 /* Prepare firmware configuration for Open Hack'Ware */
797 if (m48t59) {
798 PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
799 boot_device,
800 kernel_base, kernel_size,
801 machine->kernel_cmdline,
802 initrd_base, initrd_size,
803 /* XXX: need an option to load a NVRAM image */
805 graphic_width, graphic_height, graphic_depth);
809 static void ibm_40p_machine_init(MachineClass *mc)
811 mc->desc = "IBM RS/6000 7020 (40p)",
812 mc->init = ibm_40p_init;
813 mc->max_cpus = 1;
814 mc->default_ram_size = 128 * MiB;
815 mc->block_default_type = IF_SCSI;
816 mc->default_boot_order = "c";
817 mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("604");
818 mc->default_display = "std";
821 DEFINE_MACHINE("40p", ibm_40p_machine_init)
822 DEFINE_MACHINE("prep", prep_machine_init)