scoop: GPRR reports the state of GPIO lines (Dmitry Baryshkov).
[qemu/mini2440.git] / hw / sun4u.c
blob057e78fc4929a3fb37efb96e05e793667e746b7d
1 /*
2 * QEMU Sun4u/Sun4v System Emulator
4 * Copyright (c) 2005 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #include "hw.h"
25 #include "pci.h"
26 #include "pc.h"
27 #include "nvram.h"
28 #include "fdc.h"
29 #include "net.h"
30 #include "qemu-timer.h"
31 #include "sysemu.h"
32 #include "boards.h"
33 #include "firmware_abi.h"
34 #include "fw_cfg.h"
36 //#define DEBUG_IRQ
38 #ifdef DEBUG_IRQ
39 #define DPRINTF(fmt, args...) \
40 do { printf("CPUIRQ: " fmt , ##args); } while (0)
41 #else
42 #define DPRINTF(fmt, args...)
43 #endif
45 #define KERNEL_LOAD_ADDR 0x00404000
46 #define CMDLINE_ADDR 0x003ff000
47 #define INITRD_LOAD_ADDR 0x00300000
48 #define PROM_SIZE_MAX (4 * 1024 * 1024)
49 #define PROM_VADDR 0x000ffd00000ULL
50 #define APB_SPECIAL_BASE 0x1fe00000000ULL
51 #define APB_MEM_BASE 0x1ff00000000ULL
52 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
53 #define PROM_FILENAME "openbios-sparc64"
54 #define NVRAM_SIZE 0x2000
55 #define MAX_IDE_BUS 2
56 #define BIOS_CFG_IOPORT 0x510
58 #define MAX_PILS 16
60 struct hwdef {
61 const char * const default_cpu_model;
62 uint16_t machine_id;
63 uint64_t prom_addr;
64 uint64_t console_serial_base;
67 int DMA_get_channel_mode (int nchan)
69 return 0;
71 int DMA_read_memory (int nchan, void *buf, int pos, int size)
73 return 0;
75 int DMA_write_memory (int nchan, void *buf, int pos, int size)
77 return 0;
79 void DMA_hold_DREQ (int nchan) {}
80 void DMA_release_DREQ (int nchan) {}
81 void DMA_schedule(int nchan) {}
82 void DMA_init (int high_page_enable) {}
83 void DMA_register_channel (int nchan,
84 DMA_transfer_handler transfer_handler,
85 void *opaque)
89 static int nvram_boot_set(void *opaque, const char *boot_device)
91 unsigned int i;
92 uint8_t image[sizeof(ohwcfg_v3_t)];
93 ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
94 m48t59_t *nvram = (m48t59_t *)opaque;
96 for (i = 0; i < sizeof(image); i++)
97 image[i] = m48t59_read(nvram, i) & 0xff;
99 pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
100 boot_device);
101 header->nboot_devices = strlen(boot_device) & 0xff;
102 header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
104 for (i = 0; i < sizeof(image); i++)
105 m48t59_write(nvram, i, image[i]);
107 return 0;
110 static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
111 const char *arch,
112 ram_addr_t RAM_size,
113 const char *boot_devices,
114 uint32_t kernel_image, uint32_t kernel_size,
115 const char *cmdline,
116 uint32_t initrd_image, uint32_t initrd_size,
117 uint32_t NVRAM_image,
118 int width, int height, int depth,
119 const uint8_t *macaddr)
121 unsigned int i;
122 uint32_t start, end;
123 uint8_t image[0x1ff0];
124 ohwcfg_v3_t *header = (ohwcfg_v3_t *)&image;
125 struct sparc_arch_cfg *sparc_header;
126 struct OpenBIOS_nvpart_v1 *part_header;
128 memset(image, '\0', sizeof(image));
130 // Try to match PPC NVRAM
131 pstrcpy((char *)header->struct_ident, sizeof(header->struct_ident),
132 "QEMU_BIOS");
133 header->struct_version = cpu_to_be32(3); /* structure v3 */
135 header->nvram_size = cpu_to_be16(NVRAM_size);
136 header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
137 header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
138 pstrcpy((char *)header->arch, sizeof(header->arch), arch);
139 header->nb_cpus = smp_cpus & 0xff;
140 header->RAM0_base = 0;
141 header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
142 pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
143 boot_devices);
144 header->nboot_devices = strlen(boot_devices) & 0xff;
145 header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
146 header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
147 if (cmdline) {
148 pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
149 header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
150 header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
152 header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
153 header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
154 header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
156 header->width = cpu_to_be16(width);
157 header->height = cpu_to_be16(height);
158 header->depth = cpu_to_be16(depth);
159 if (nographic)
160 header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
162 header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
164 // Architecture specific header
165 start = sizeof(ohwcfg_v3_t);
166 sparc_header = (struct sparc_arch_cfg *)&image[start];
167 sparc_header->valid = 0;
168 start += sizeof(struct sparc_arch_cfg);
170 // OpenBIOS nvram variables
171 // Variable partition
172 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
173 part_header->signature = OPENBIOS_PART_SYSTEM;
174 pstrcpy(part_header->name, sizeof(part_header->name), "system");
176 end = start + sizeof(struct OpenBIOS_nvpart_v1);
177 for (i = 0; i < nb_prom_envs; i++)
178 end = OpenBIOS_set_var(image, end, prom_envs[i]);
180 // End marker
181 image[end++] = '\0';
183 end = start + ((end - start + 15) & ~15);
184 OpenBIOS_finish_partition(part_header, end - start);
186 // free partition
187 start = end;
188 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
189 part_header->signature = OPENBIOS_PART_FREE;
190 pstrcpy(part_header->name, sizeof(part_header->name), "free");
192 end = 0x1fd0;
193 OpenBIOS_finish_partition(part_header, end - start);
195 Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
197 for (i = 0; i < sizeof(image); i++)
198 m48t59_write(nvram, i, image[i]);
200 qemu_register_boot_set(nvram_boot_set, nvram);
202 return 0;
205 void pic_info(void)
209 void irq_info(void)
213 void cpu_check_irqs(CPUState *env)
215 uint32_t pil = env->pil_in | (env->softint & ~SOFTINT_TIMER) |
216 ((env->softint & SOFTINT_TIMER) << 14);
218 if (pil && (env->interrupt_index == 0 ||
219 (env->interrupt_index & ~15) == TT_EXTINT)) {
220 unsigned int i;
222 for (i = 15; i > 0; i--) {
223 if (pil & (1 << i)) {
224 int old_interrupt = env->interrupt_index;
226 env->interrupt_index = TT_EXTINT | i;
227 if (old_interrupt != env->interrupt_index) {
228 DPRINTF("Set CPU IRQ %d\n", i);
229 cpu_interrupt(env, CPU_INTERRUPT_HARD);
231 break;
234 } else if (!pil && (env->interrupt_index & ~15) == TT_EXTINT) {
235 DPRINTF("Reset CPU IRQ %d\n", env->interrupt_index & 15);
236 env->interrupt_index = 0;
237 cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
241 static void cpu_set_irq(void *opaque, int irq, int level)
243 CPUState *env = opaque;
245 if (level) {
246 DPRINTF("Raise CPU IRQ %d\n", irq);
247 env->halted = 0;
248 env->pil_in |= 1 << irq;
249 cpu_check_irqs(env);
250 } else {
251 DPRINTF("Lower CPU IRQ %d\n", irq);
252 env->pil_in &= ~(1 << irq);
253 cpu_check_irqs(env);
257 void qemu_system_powerdown(void)
261 typedef struct ResetData {
262 CPUState *env;
263 uint64_t reset_addr;
264 } ResetData;
266 static void main_cpu_reset(void *opaque)
268 ResetData *s = (ResetData *)opaque;
269 CPUState *env = s->env;
271 cpu_reset(env);
272 ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
273 ptimer_run(env->tick, 0);
274 ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
275 ptimer_run(env->stick, 0);
276 ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
277 ptimer_run(env->hstick, 0);
278 env->gregs[1] = 0; // Memory start
279 env->gregs[2] = ram_size; // Memory size
280 env->gregs[3] = 0; // Machine description XXX
281 env->pc = s->reset_addr;
282 env->npc = env->pc + 4;
285 static void tick_irq(void *opaque)
287 CPUState *env = opaque;
289 env->softint |= SOFTINT_TIMER;
290 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
293 static void stick_irq(void *opaque)
295 CPUState *env = opaque;
297 env->softint |= SOFTINT_TIMER;
298 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
301 static void hstick_irq(void *opaque)
303 CPUState *env = opaque;
305 env->softint |= SOFTINT_TIMER;
306 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
309 void cpu_tick_set_count(void *opaque, uint64_t count)
311 ptimer_set_count(opaque, -count);
314 uint64_t cpu_tick_get_count(void *opaque)
316 return -ptimer_get_count(opaque);
319 void cpu_tick_set_limit(void *opaque, uint64_t limit)
321 ptimer_set_limit(opaque, -limit, 0);
324 static const int ide_iobase[2] = { 0x1f0, 0x170 };
325 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
326 static const int ide_irq[2] = { 14, 15 };
328 static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
329 static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
331 static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
332 static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
334 static fdctrl_t *floppy_controller;
336 static void sun4uv_init(ram_addr_t RAM_size, int vga_ram_size,
337 const char *boot_devices, DisplayState *ds,
338 const char *kernel_filename, const char *kernel_cmdline,
339 const char *initrd_filename, const char *cpu_model,
340 const struct hwdef *hwdef)
342 CPUState *env;
343 char buf[1024];
344 m48t59_t *nvram;
345 int ret, linux_boot;
346 unsigned int i;
347 long prom_offset, initrd_size, kernel_size;
348 PCIBus *pci_bus;
349 QEMUBH *bh;
350 qemu_irq *irq;
351 int drive_index;
352 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
353 BlockDriverState *fd[MAX_FD];
354 void *fw_cfg;
355 ResetData *reset_info;
357 linux_boot = (kernel_filename != NULL);
359 /* init CPUs */
360 if (!cpu_model)
361 cpu_model = hwdef->default_cpu_model;
363 env = cpu_init(cpu_model);
364 if (!env) {
365 fprintf(stderr, "Unable to find Sparc CPU definition\n");
366 exit(1);
368 bh = qemu_bh_new(tick_irq, env);
369 env->tick = ptimer_init(bh);
370 ptimer_set_period(env->tick, 1ULL);
372 bh = qemu_bh_new(stick_irq, env);
373 env->stick = ptimer_init(bh);
374 ptimer_set_period(env->stick, 1ULL);
376 bh = qemu_bh_new(hstick_irq, env);
377 env->hstick = ptimer_init(bh);
378 ptimer_set_period(env->hstick, 1ULL);
380 reset_info = qemu_mallocz(sizeof(ResetData));
381 reset_info->env = env;
382 reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
383 qemu_register_reset(main_cpu_reset, reset_info);
384 main_cpu_reset(reset_info);
385 // Override warm reset address with cold start address
386 env->pc = hwdef->prom_addr + 0x20ULL;
387 env->npc = env->pc + 4;
389 /* allocate RAM */
390 cpu_register_physical_memory(0, RAM_size, 0);
392 prom_offset = RAM_size + vga_ram_size;
393 cpu_register_physical_memory(hwdef->prom_addr,
394 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
395 TARGET_PAGE_MASK,
396 prom_offset | IO_MEM_ROM);
398 if (bios_name == NULL)
399 bios_name = PROM_FILENAME;
400 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
401 ret = load_elf(buf, hwdef->prom_addr - PROM_VADDR, NULL, NULL, NULL);
402 if (ret < 0) {
403 ret = load_image_targphys(buf, hwdef->prom_addr,
404 (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
405 TARGET_PAGE_MASK);
406 if (ret < 0) {
407 fprintf(stderr, "qemu: could not load prom '%s'\n",
408 buf);
409 exit(1);
413 kernel_size = 0;
414 initrd_size = 0;
415 if (linux_boot) {
416 /* XXX: put correct offset */
417 kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
418 if (kernel_size < 0)
419 kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
420 ram_size - KERNEL_LOAD_ADDR);
421 if (kernel_size < 0)
422 kernel_size = load_image_targphys(kernel_filename,
423 KERNEL_LOAD_ADDR,
424 ram_size - KERNEL_LOAD_ADDR);
425 if (kernel_size < 0) {
426 fprintf(stderr, "qemu: could not load kernel '%s'\n",
427 kernel_filename);
428 exit(1);
431 /* load initrd */
432 if (initrd_filename) {
433 initrd_size = load_image_targphys(initrd_filename,
434 INITRD_LOAD_ADDR,
435 ram_size - INITRD_LOAD_ADDR);
436 if (initrd_size < 0) {
437 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
438 initrd_filename);
439 exit(1);
442 if (initrd_size > 0) {
443 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
444 if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
445 stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
446 stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
447 break;
452 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
453 isa_mem_base = VGA_BASE;
454 pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + RAM_size, RAM_size,
455 vga_ram_size);
457 i = 0;
458 if (hwdef->console_serial_base) {
459 serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
460 serial_hds[i], 1);
461 i++;
463 for(; i < MAX_SERIAL_PORTS; i++) {
464 if (serial_hds[i]) {
465 serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
466 serial_hds[i]);
470 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
471 if (parallel_hds[i]) {
472 parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
473 parallel_hds[i]);
477 for(i = 0; i < nb_nics; i++) {
478 if (!nd_table[i].model)
479 nd_table[i].model = "ne2k_pci";
480 pci_nic_init(pci_bus, &nd_table[i], -1);
483 irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
484 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
485 fprintf(stderr, "qemu: too many IDE bus\n");
486 exit(1);
488 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
489 drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
490 i % MAX_IDE_DEVS);
491 if (drive_index != -1)
492 hd[i] = drives_table[drive_index].bdrv;
493 else
494 hd[i] = NULL;
497 // XXX pci_cmd646_ide_init(pci_bus, hd, 1);
498 pci_piix3_ide_init(pci_bus, hd, -1, irq);
499 /* FIXME: wire up interrupts. */
500 i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
501 for(i = 0; i < MAX_FD; i++) {
502 drive_index = drive_get_index(IF_FLOPPY, 0, i);
503 if (drive_index != -1)
504 fd[i] = drives_table[drive_index].bdrv;
505 else
506 fd[i] = NULL;
508 floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
509 nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
510 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
511 KERNEL_LOAD_ADDR, kernel_size,
512 kernel_cmdline,
513 INITRD_LOAD_ADDR, initrd_size,
514 /* XXX: need an option to load a NVRAM image */
516 graphic_width, graphic_height, graphic_depth,
517 (uint8_t *)&nd_table[0].macaddr);
519 fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
520 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
521 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
522 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
525 enum {
526 sun4u_id = 0,
527 sun4v_id = 64,
528 niagara_id,
531 static const struct hwdef hwdefs[] = {
532 /* Sun4u generic PC-like machine */
534 .default_cpu_model = "TI UltraSparc II",
535 .machine_id = sun4u_id,
536 .prom_addr = 0x1fff0000000ULL,
537 .console_serial_base = 0,
539 /* Sun4v generic PC-like machine */
541 .default_cpu_model = "Sun UltraSparc T1",
542 .machine_id = sun4v_id,
543 .prom_addr = 0x1fff0000000ULL,
544 .console_serial_base = 0,
546 /* Sun4v generic Niagara machine */
548 .default_cpu_model = "Sun UltraSparc T1",
549 .machine_id = niagara_id,
550 .prom_addr = 0xfff0000000ULL,
551 .console_serial_base = 0xfff0c2c000ULL,
555 /* Sun4u hardware initialisation */
556 static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
557 const char *boot_devices, DisplayState *ds,
558 const char *kernel_filename, const char *kernel_cmdline,
559 const char *initrd_filename, const char *cpu_model)
561 sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
562 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
565 /* Sun4v hardware initialisation */
566 static void sun4v_init(ram_addr_t RAM_size, int vga_ram_size,
567 const char *boot_devices, DisplayState *ds,
568 const char *kernel_filename, const char *kernel_cmdline,
569 const char *initrd_filename, const char *cpu_model)
571 sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
572 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
575 /* Niagara hardware initialisation */
576 static void niagara_init(ram_addr_t RAM_size, int vga_ram_size,
577 const char *boot_devices, DisplayState *ds,
578 const char *kernel_filename, const char *kernel_cmdline,
579 const char *initrd_filename, const char *cpu_model)
581 sun4uv_init(RAM_size, vga_ram_size, boot_devices, ds, kernel_filename,
582 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
585 QEMUMachine sun4u_machine = {
586 .name = "sun4u",
587 .desc = "Sun4u platform",
588 .init = sun4u_init,
589 .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
590 .nodisk_ok = 1,
591 .max_cpus = 1, // XXX for now
594 QEMUMachine sun4v_machine = {
595 .name = "sun4v",
596 .desc = "Sun4v platform",
597 .init = sun4v_init,
598 .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
599 .nodisk_ok = 1,
600 .max_cpus = 1, // XXX for now
603 QEMUMachine niagara_machine = {
604 .name = "Niagara",
605 .desc = "Sun4v platform, Niagara",
606 .init = niagara_init,
607 .ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
608 .nodisk_ok = 1,
609 .max_cpus = 1, // XXX for now