Commit 5856de800df5789b8641c47be5399afff7773910
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fde7d5bd
MIPS Malta system and devices support, by Aurelien Jarno and Stefan Weil.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2319 c046a42c-6fe2-441c-8c8c-71466251a162
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2 deletions
Makefile.target
... | ... | @@ -361,8 +361,10 @@ VL_OBJS+= grackle_pci.o prep_pci.o unin_pci.o |
361 | 361 | CPPFLAGS += -DHAS_AUDIO |
362 | 362 | endif |
363 | 363 | ifeq ($(TARGET_ARCH), mips) |
364 | -VL_OBJS+= mips_r4k.o mips_timer.o dma.o vga.o serial.o i8254.o i8259.o ide.o | |
365 | -VL_OBJS+= mc146818rtc.o #pckbd.o fdc.o m48t59.o | |
364 | +VL_OBJS+= mips_r4k.o mips_malta.o mips_timer.o dma.o vga.o serial.o i8254.o i8259.o | |
365 | +VL_OBJS+= ide.o gt64xxx.o pckbd.o ps2.o fdc.o mc146818rtc.o usb-uhci.o acpi.o | |
366 | +VL_OBJS+= piix_pci.o parallel.o mixeng.o cirrus_vga.o $(SOUND_HW) $(AUDIODRV) | |
367 | +DEFINES += -DHAS_AUDIO | |
366 | 368 | endif |
367 | 369 | ifeq ($(TARGET_BASE_ARCH), sparc) |
368 | 370 | ifeq ($(TARGET_ARCH), sparc64) | ... | ... |
hw/mips_malta.c
0 → 100644
1 | +/* | |
2 | + * QEMU Malta board support | |
3 | + * | |
4 | + * Copyright (c) 2006 Aurelien Jarno | |
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 | + | |
25 | +#include "vl.h" | |
26 | + | |
27 | +#define BIOS_FILENAME "mips_bios.bin" | |
28 | +#ifdef MIPS_HAS_MIPS64 | |
29 | +#define INITRD_LOAD_ADDR (uint64_t)0x80800000 | |
30 | +#define ENVP_ADDR (uint64_t)0x80002000 | |
31 | +#else | |
32 | +#define INITRD_LOAD_ADDR (uint32_t)0x80800000 | |
33 | +#define ENVP_ADDR (uint32_t)0x80002000 | |
34 | +#endif | |
35 | + | |
36 | +#define VIRT_TO_PHYS_ADDEND (-((uint64_t)(uint32_t)0x80000000)) | |
37 | + | |
38 | +#define ENVP_NB_ENTRIES 16 | |
39 | +#define ENVP_ENTRY_SIZE 256 | |
40 | + | |
41 | + | |
42 | +extern FILE *logfile; | |
43 | + | |
44 | +typedef struct { | |
45 | + uint32_t leds; | |
46 | + uint32_t brk; | |
47 | + uint32_t gpout; | |
48 | + uint32_t i2coe; | |
49 | + uint32_t i2cout; | |
50 | + uint32_t i2csel; | |
51 | + CharDriverState *display; | |
52 | + char display_text[9]; | |
53 | +} MaltaFPGAState; | |
54 | + | |
55 | +static PITState *pit; | |
56 | + | |
57 | +static void pic_irq_request(void *opaque, int level) | |
58 | +{ | |
59 | + CPUState *env = first_cpu; | |
60 | + if (level) { | |
61 | + env->CP0_Cause |= 0x00000400; | |
62 | + cpu_interrupt(env, CPU_INTERRUPT_HARD); | |
63 | + } else { | |
64 | + env->CP0_Cause &= ~0x00000400; | |
65 | + cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); | |
66 | + } | |
67 | +} | |
68 | + | |
69 | +/* Malta FPGA */ | |
70 | +static void malta_fpga_update_display(void *opaque) | |
71 | +{ | |
72 | + char leds_text[9]; | |
73 | + int i; | |
74 | + MaltaFPGAState *s = opaque; | |
75 | + | |
76 | + for (i = 7 ; i >= 0 ; i--) { | |
77 | + if (s->leds & (1 << i)) | |
78 | + leds_text[i] = '#'; | |
79 | + else | |
80 | + leds_text[i] = ' '; | |
81 | + } | |
82 | + leds_text[8] = '\0'; | |
83 | + | |
84 | + qemu_chr_printf(s->display, "\e[H\n\n|\e[31m%-8.8s\e[00m|\r\n", leds_text); | |
85 | + qemu_chr_printf(s->display, "\n\n\n\n|\e[32m%-8.8s\e[00m|", s->display_text); | |
86 | +} | |
87 | + | |
88 | +static uint32_t malta_fpga_readl(void *opaque, target_phys_addr_t addr) | |
89 | +{ | |
90 | + MaltaFPGAState *s = opaque; | |
91 | + uint32_t val = 0; | |
92 | + uint32_t saddr; | |
93 | + | |
94 | + saddr = (addr & 0xfffff); | |
95 | + | |
96 | + switch (saddr) { | |
97 | + | |
98 | + /* SWITCH Register */ | |
99 | + case 0x00200: | |
100 | + val = 0x00000000; /* All switches closed */ | |
101 | + break; | |
102 | + | |
103 | + /* STATUS Register */ | |
104 | + case 0x00208: | |
105 | +#ifdef TARGET_WORDS_BIGENDIAN | |
106 | + val = 0x00000012; | |
107 | +#else | |
108 | + val = 0x00000010; | |
109 | +#endif | |
110 | + break; | |
111 | + | |
112 | + /* JMPRS Register */ | |
113 | + case 0x00210: | |
114 | + val = 0x00; | |
115 | + break; | |
116 | + | |
117 | + /* LEDBAR Register */ | |
118 | + case 0x00408: | |
119 | + val = s->leds; | |
120 | + break; | |
121 | + | |
122 | + /* BRKRES Register */ | |
123 | + case 0x00508: | |
124 | + val = s->brk; | |
125 | + break; | |
126 | + | |
127 | + /* GPOUT Register */ | |
128 | + case 0x00a00: | |
129 | + val = s->gpout; | |
130 | + break; | |
131 | + | |
132 | + /* XXX: implement a real I2C controller */ | |
133 | + | |
134 | + /* GPINP Register */ | |
135 | + case 0x00a08: | |
136 | + /* IN = OUT until a real I2C control is implemented */ | |
137 | + if (s->i2csel) | |
138 | + val = s->i2cout; | |
139 | + else | |
140 | + val = 0x00; | |
141 | + break; | |
142 | + | |
143 | + /* I2CINP Register */ | |
144 | + case 0x00b00: | |
145 | + val = 0x00000003; | |
146 | + break; | |
147 | + | |
148 | + /* I2COE Register */ | |
149 | + case 0x00b08: | |
150 | + val = s->i2coe; | |
151 | + break; | |
152 | + | |
153 | + /* I2COUT Register */ | |
154 | + case 0x00b10: | |
155 | + val = s->i2cout; | |
156 | + break; | |
157 | + | |
158 | + /* I2CSEL Register */ | |
159 | + case 0x00b18: | |
160 | + val = s->i2cout; | |
161 | + break; | |
162 | + | |
163 | + default: | |
164 | +#if 0 | |
165 | + printf ("malta_fpga_read: Bad register offset 0x%x\n", (int)addr); | |
166 | +#endif | |
167 | + break; | |
168 | + } | |
169 | + return val; | |
170 | +} | |
171 | + | |
172 | +static void malta_fpga_writel(void *opaque, target_phys_addr_t addr, | |
173 | + uint32_t val) | |
174 | +{ | |
175 | + MaltaFPGAState *s = opaque; | |
176 | + uint32_t saddr; | |
177 | + | |
178 | + saddr = (addr & 0xfffff); | |
179 | + | |
180 | + switch (saddr) { | |
181 | + | |
182 | + /* SWITCH Register */ | |
183 | + case 0x00200: | |
184 | + break; | |
185 | + | |
186 | + /* JMPRS Register */ | |
187 | + case 0x00210: | |
188 | + break; | |
189 | + | |
190 | + /* LEDBAR Register */ | |
191 | + /* XXX: implement a 8-LED array */ | |
192 | + case 0x00408: | |
193 | + s->leds = val & 0xff; | |
194 | + break; | |
195 | + | |
196 | + /* ASCIIWORD Register */ | |
197 | + case 0x00410: | |
198 | + snprintf(s->display_text, 9, "%08X", val); | |
199 | + malta_fpga_update_display(s); | |
200 | + break; | |
201 | + | |
202 | + /* ASCIIPOS0 to ASCIIPOS7 Registers */ | |
203 | + case 0x00418: | |
204 | + case 0x00420: | |
205 | + case 0x00428: | |
206 | + case 0x00430: | |
207 | + case 0x00438: | |
208 | + case 0x00440: | |
209 | + case 0x00448: | |
210 | + case 0x00450: | |
211 | + s->display_text[(saddr - 0x00418) >> 3] = (char) val; | |
212 | + malta_fpga_update_display(s); | |
213 | + break; | |
214 | + | |
215 | + /* SOFTRES Register */ | |
216 | + case 0x00500: | |
217 | + if (val == 0x42) | |
218 | + qemu_system_reset_request (); | |
219 | + break; | |
220 | + | |
221 | + /* BRKRES Register */ | |
222 | + case 0x00508: | |
223 | + s->brk = val & 0xff; | |
224 | + break; | |
225 | + | |
226 | + /* GPOUT Register */ | |
227 | + case 0x00a00: | |
228 | + s->gpout = val & 0xff; | |
229 | + break; | |
230 | + | |
231 | + /* I2COE Register */ | |
232 | + case 0x00b08: | |
233 | + s->i2coe = val & 0x03; | |
234 | + break; | |
235 | + | |
236 | + /* I2COUT Register */ | |
237 | + case 0x00b10: | |
238 | + s->i2cout = val & 0x03; | |
239 | + break; | |
240 | + | |
241 | + /* I2CSEL Register */ | |
242 | + case 0x00b18: | |
243 | + s->i2cout = val & 0x01; | |
244 | + break; | |
245 | + | |
246 | + default: | |
247 | +#if 0 | |
248 | + printf ("malta_fpga_write: Bad register offset 0x%x\n", (int)addr); | |
249 | +#endif | |
250 | + break; | |
251 | + } | |
252 | +} | |
253 | + | |
254 | +static CPUReadMemoryFunc *malta_fpga_read[] = { | |
255 | + malta_fpga_readl, | |
256 | + malta_fpga_readl, | |
257 | + malta_fpga_readl | |
258 | +}; | |
259 | + | |
260 | +static CPUWriteMemoryFunc *malta_fpga_write[] = { | |
261 | + malta_fpga_writel, | |
262 | + malta_fpga_writel, | |
263 | + malta_fpga_writel | |
264 | +}; | |
265 | + | |
266 | +void malta_fpga_reset(void *opaque) | |
267 | +{ | |
268 | + MaltaFPGAState *s = opaque; | |
269 | + | |
270 | + s->leds = 0x00; | |
271 | + s->brk = 0x0a; | |
272 | + s->gpout = 0x00; | |
273 | + s->i2coe = 0x0; | |
274 | + s->i2cout = 0x3; | |
275 | + s->i2csel = 0x1; | |
276 | + | |
277 | + s->display_text[8] = '\0'; | |
278 | + snprintf(s->display_text, 9, " "); | |
279 | + malta_fpga_update_display(s); | |
280 | +} | |
281 | + | |
282 | +MaltaFPGAState *malta_fpga_init(target_phys_addr_t base) | |
283 | +{ | |
284 | + MaltaFPGAState *s; | |
285 | + int malta; | |
286 | + | |
287 | + s = (MaltaFPGAState *)qemu_mallocz(sizeof(MaltaFPGAState)); | |
288 | + | |
289 | + malta = cpu_register_io_memory(0, malta_fpga_read, | |
290 | + malta_fpga_write, s); | |
291 | + cpu_register_physical_memory(base, 0x100000, malta); | |
292 | + | |
293 | + s->display = qemu_chr_open("vc"); | |
294 | + qemu_chr_printf(s->display, "\e[HMalta LEBDAR\r\n"); | |
295 | + qemu_chr_printf(s->display, "+--------+\r\n"); | |
296 | + qemu_chr_printf(s->display, "+ +\r\n"); | |
297 | + qemu_chr_printf(s->display, "+--------+\r\n"); | |
298 | + qemu_chr_printf(s->display, "\n"); | |
299 | + qemu_chr_printf(s->display, "Malta ASCII\r\n"); | |
300 | + qemu_chr_printf(s->display, "+--------+\r\n"); | |
301 | + qemu_chr_printf(s->display, "+ +\r\n"); | |
302 | + qemu_chr_printf(s->display, "+--------+\r\n"); | |
303 | + | |
304 | + malta_fpga_reset(s); | |
305 | + qemu_register_reset(malta_fpga_reset, s); | |
306 | + | |
307 | + return s; | |
308 | +} | |
309 | + | |
310 | +/* Audio support */ | |
311 | +#ifdef HAS_AUDIO | |
312 | +static void audio_init (PCIBus *pci_bus) | |
313 | +{ | |
314 | + struct soundhw *c; | |
315 | + int audio_enabled = 0; | |
316 | + | |
317 | + for (c = soundhw; !audio_enabled && c->name; ++c) { | |
318 | + audio_enabled = c->enabled; | |
319 | + } | |
320 | + | |
321 | + if (audio_enabled) { | |
322 | + AudioState *s; | |
323 | + | |
324 | + s = AUD_init (); | |
325 | + if (s) { | |
326 | + for (c = soundhw; c->name; ++c) { | |
327 | + if (c->enabled) { | |
328 | + if (c->isa) { | |
329 | + fprintf(stderr, "qemu: Unsupported Sound Card: %s\n", c->name); | |
330 | + exit(1); | |
331 | + } | |
332 | + else { | |
333 | + if (pci_bus) { | |
334 | + c->init.init_pci (pci_bus, s); | |
335 | + } | |
336 | + } | |
337 | + } | |
338 | + } | |
339 | + } | |
340 | + } | |
341 | +} | |
342 | +#endif | |
343 | + | |
344 | +/* Network support */ | |
345 | +static void network_init (PCIBus *pci_bus) | |
346 | +{ | |
347 | + int i; | |
348 | + NICInfo *nd; | |
349 | + | |
350 | + for(i = 0; i < nb_nics; i++) { | |
351 | + nd = &nd_table[i]; | |
352 | + if (!nd->model) { | |
353 | + nd->model = "pcnet"; | |
354 | + } | |
355 | + if (i == 0 && strcmp(nd->model, "pcnet") == 0) { | |
356 | + /* The malta board has a PCNet card using PCI SLOT 11 */ | |
357 | + pci_nic_init(pci_bus, nd, 88); | |
358 | + } else { | |
359 | + pci_nic_init(pci_bus, nd, -1); | |
360 | + } | |
361 | + } | |
362 | +} | |
363 | + | |
364 | +/* ROM and pseudo bootloader | |
365 | + | |
366 | + The following code implements a very very simple bootloader. It first | |
367 | + loads the registers a0 to a3 to the values expected by the OS, and | |
368 | + then jump at the kernel address. | |
369 | + | |
370 | + The bootloader should pass the locations of the kernel arguments and | |
371 | + environment variables tables. Those tables contain the 32-bit address | |
372 | + of NULL terminated strings. The environment variables table should be | |
373 | + terminated by a NULL address. | |
374 | + | |
375 | + For a simpler implementation, the number of kernel arguments is fixed | |
376 | + to two (the name of the kernel and the command line), and the two | |
377 | + tables are actually the same one. | |
378 | + | |
379 | + The registers a0 to a3 should contain the following values: | |
380 | + a0 - number of kernel arguments | |
381 | + a1 - 32-bit address of the kernel arguments table | |
382 | + a2 - 32-bit address of the environment variables table | |
383 | + a3 - RAM size in bytes | |
384 | +*/ | |
385 | + | |
386 | +static void write_bootloader (CPUState *env, unsigned long bios_offset, int64_t kernel_addr) | |
387 | +{ | |
388 | + uint32_t *p; | |
389 | + | |
390 | + /* Small bootloader */ | |
391 | + p = (uint32_t *) (phys_ram_base + bios_offset); | |
392 | + stl_raw(p++, 0x0bf00010); /* j 0x1fc00040 */ | |
393 | + stl_raw(p++, 0x00000000); /* nop */ | |
394 | + | |
395 | + /* Second part of the bootloader */ | |
396 | + p = (uint32_t *) (phys_ram_base + bios_offset + 0x040); | |
397 | + stl_raw(p++, 0x3c040000); /* lui a0, 0 */ | |
398 | + stl_raw(p++, 0x34840002); /* ori a0, a0, 2 */ | |
399 | + stl_raw(p++, 0x3c050000 | ((ENVP_ADDR) >> 16)); /* lui a1, high(ENVP_ADDR) */ | |
400 | + stl_raw(p++, 0x34a50000 | ((ENVP_ADDR) & 0xffff)); /* ori a1, a0, low(ENVP_ADDR) */ | |
401 | + stl_raw(p++, 0x3c060000 | ((ENVP_ADDR + 8) >> 16)); /* lui a2, high(ENVP_ADDR + 8) */ | |
402 | + stl_raw(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff)); /* ori a2, a2, low(ENVP_ADDR + 8) */ | |
403 | + stl_raw(p++, 0x3c070000 | ((env->ram_size) >> 16)); /* lui a3, high(env->ram_size) */ | |
404 | + stl_raw(p++, 0x34e70000 | ((env->ram_size) & 0xffff)); /* ori a3, a3, low(env->ram_size) */ | |
405 | + stl_raw(p++, 0x3c1f0000 | ((kernel_addr) >> 16)); /* lui ra, high(kernel_addr) */; | |
406 | + stl_raw(p++, 0x37ff0000 | ((kernel_addr) & 0xffff)); /* ori ra, ra, low(kernel_addr) */ | |
407 | + stl_raw(p++, 0x03e00008); /* jr ra */ | |
408 | + stl_raw(p++, 0x00000000); /* nop */ | |
409 | +} | |
410 | + | |
411 | +static void prom_set(int index, const char *string, ...) | |
412 | +{ | |
413 | + va_list ap; | |
414 | + uint32_t *p; | |
415 | + uint32_t table_addr; | |
416 | + char *s; | |
417 | + | |
418 | + if (index >= ENVP_NB_ENTRIES) | |
419 | + return; | |
420 | + | |
421 | + p = (uint32_t *) (phys_ram_base + ENVP_ADDR + VIRT_TO_PHYS_ADDEND); | |
422 | + p += index; | |
423 | + | |
424 | + if (string == NULL) { | |
425 | + stl_raw(p, 0); | |
426 | + return; | |
427 | + } | |
428 | + | |
429 | + table_addr = ENVP_ADDR + sizeof(uint32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE; | |
430 | + s = (char *) (phys_ram_base + VIRT_TO_PHYS_ADDEND + table_addr); | |
431 | + | |
432 | + stl_raw(p, table_addr); | |
433 | + | |
434 | + va_start(ap, string); | |
435 | + vsnprintf (s, ENVP_ENTRY_SIZE, string, ap); | |
436 | + va_end(ap); | |
437 | +} | |
438 | + | |
439 | +/* Kernel */ | |
440 | +static int64_t load_kernel (CPUState *env) | |
441 | +{ | |
442 | + int64_t kernel_addr = 0; | |
443 | + int index = 0; | |
444 | + long initrd_size; | |
445 | + | |
446 | + if (load_elf(env->kernel_filename, VIRT_TO_PHYS_ADDEND, &kernel_addr) < 0) { | |
447 | + fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
448 | + env->kernel_filename); | |
449 | + exit(1); | |
450 | + } | |
451 | + | |
452 | + /* load initrd */ | |
453 | + initrd_size = 0; | |
454 | + if (env->initrd_filename) { | |
455 | + initrd_size = load_image(env->initrd_filename, | |
456 | + phys_ram_base + INITRD_LOAD_ADDR + VIRT_TO_PHYS_ADDEND); | |
457 | + if (initrd_size == (target_ulong) -1) { | |
458 | + fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", | |
459 | + env->initrd_filename); | |
460 | + exit(1); | |
461 | + } | |
462 | + } | |
463 | + | |
464 | + /* Store command line. */ | |
465 | + prom_set(index++, env->kernel_filename); | |
466 | + if (initrd_size > 0) | |
467 | + prom_set(index++, "rd_start=0x%08x rd_size=%li %s", INITRD_LOAD_ADDR, initrd_size, env->kernel_cmdline); | |
468 | + else | |
469 | + prom_set(index++, env->kernel_cmdline); | |
470 | + | |
471 | + /* Setup minimum environment variables */ | |
472 | + prom_set(index++, "memsize"); | |
473 | + prom_set(index++, "%i", env->ram_size); | |
474 | + prom_set(index++, "modetty0"); | |
475 | + prom_set(index++, "38400n8r"); | |
476 | + prom_set(index++, NULL); | |
477 | + | |
478 | + return kernel_addr; | |
479 | +} | |
480 | + | |
481 | +static void main_cpu_reset(void *opaque) | |
482 | +{ | |
483 | + CPUState *env = opaque; | |
484 | + cpu_reset(env); | |
485 | + | |
486 | + /* The bootload does not need to be rewritten as it is located in a | |
487 | + read only location. The kernel location and the arguments table | |
488 | + location does not change. */ | |
489 | + if (env->kernel_filename) | |
490 | + load_kernel (env); | |
491 | +} | |
492 | + | |
493 | +void mips_malta_init (int ram_size, int vga_ram_size, int boot_device, | |
494 | + DisplayState *ds, const char **fd_filename, int snapshot, | |
495 | + const char *kernel_filename, const char *kernel_cmdline, | |
496 | + const char *initrd_filename) | |
497 | +{ | |
498 | + char buf[1024]; | |
499 | + unsigned long bios_offset; | |
500 | + int64_t kernel_addr; | |
501 | + PCIBus *pci_bus; | |
502 | + CPUState *env; | |
503 | + RTCState *rtc_state; | |
504 | + fdctrl_t *floppy_controller; | |
505 | + MaltaFPGAState *malta_fpga; | |
506 | + int ret; | |
507 | + | |
508 | + env = cpu_init(); | |
509 | + register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); | |
510 | + qemu_register_reset(main_cpu_reset, env); | |
511 | + | |
512 | + /* allocate RAM */ | |
513 | + cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); | |
514 | + | |
515 | + /* Map the bios at two physical locations, as on the real board */ | |
516 | + bios_offset = ram_size + vga_ram_size; | |
517 | + cpu_register_physical_memory(0x1e000000LL, | |
518 | + BIOS_SIZE, bios_offset | IO_MEM_ROM); | |
519 | + cpu_register_physical_memory(0x1fc00000LL, | |
520 | + BIOS_SIZE, bios_offset | IO_MEM_ROM); | |
521 | + | |
522 | + /* Load a BIOS image except if a kernel image has been specified. In | |
523 | + the later case, just write a small bootloader to the flash | |
524 | + location. */ | |
525 | + if (kernel_filename) { | |
526 | + env->ram_size = ram_size; | |
527 | + env->kernel_filename = kernel_filename; | |
528 | + env->kernel_cmdline = kernel_cmdline; | |
529 | + env->initrd_filename = initrd_filename; | |
530 | + kernel_addr = load_kernel(env); | |
531 | + write_bootloader(env, bios_offset, kernel_addr); | |
532 | + } else { | |
533 | + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); | |
534 | + ret = load_image(buf, phys_ram_base + bios_offset); | |
535 | + if (ret != BIOS_SIZE) { | |
536 | + fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n", | |
537 | + buf); | |
538 | + exit(1); | |
539 | + } | |
540 | + } | |
541 | + | |
542 | + /* Board ID = 0x420 (Malta Board with CoreLV) | |
543 | + XXX: theoretically 0x1e000010 should map to flash and 0x1fc00010 should | |
544 | + map to the board ID. */ | |
545 | + stl_raw(phys_ram_base + bios_offset + 0x10, 0x00000420); | |
546 | + | |
547 | + /* Init internal devices */ | |
548 | + cpu_mips_clock_init(env); | |
549 | + cpu_mips_irqctrl_init(); | |
550 | + | |
551 | + /* FPGA */ | |
552 | + malta_fpga = malta_fpga_init(0x1f000000LL); | |
553 | + | |
554 | + /* Interrupt controller */ | |
555 | + isa_pic = pic_init(pic_irq_request, env); | |
556 | + | |
557 | + /* Northbridge */ | |
558 | + pci_bus = pci_gt64120_init(isa_pic); | |
559 | + | |
560 | + /* Southbridge */ | |
561 | + piix4_init(pci_bus, 80); | |
562 | + pci_piix3_ide_init(pci_bus, bs_table, 81); | |
563 | + usb_uhci_init(pci_bus, 82); | |
564 | + piix4_pm_init(pci_bus, 83); | |
565 | + pit = pit_init(0x40, 0); | |
566 | + DMA_init(0); | |
567 | + | |
568 | + /* Super I/O */ | |
569 | + kbd_init(); | |
570 | + rtc_state = rtc_init(0x70, 8); | |
571 | + serial_init(&pic_set_irq_new, isa_pic, 0x3f8, 4, serial_hds[0]); | |
572 | + parallel_init(0x378, 7, parallel_hds[0]); | |
573 | + /* XXX: The floppy controller does not work correctly, something is | |
574 | + probably wrong */ | |
575 | + floppy_controller = fdctrl_init(6, 2, 0, 0x3f0, fd_table); | |
576 | + | |
577 | + /* Sound card */ | |
578 | +#ifdef HAS_AUDIO | |
579 | + audio_init(pci_bus); | |
580 | +#endif | |
581 | + | |
582 | + /* Network card */ | |
583 | + network_init(pci_bus); | |
584 | +} | |
585 | + | |
586 | +QEMUMachine mips_malta_machine = { | |
587 | + "malta", | |
588 | + "MIPS Malta Core LV", | |
589 | + mips_malta_init, | |
590 | +}; | ... | ... |
vl.c
... | ... | @@ -6370,6 +6370,7 @@ void register_machines(void) |
6370 | 6370 | qemu_register_machine(&prep_machine); |
6371 | 6371 | #elif defined(TARGET_MIPS) |
6372 | 6372 | qemu_register_machine(&mips_machine); |
6373 | + qemu_register_machine(&mips_malta_machine); | |
6373 | 6374 | #elif defined(TARGET_SPARC) |
6374 | 6375 | #ifdef TARGET_SPARC64 |
6375 | 6376 | qemu_register_machine(&sun4u_machine); | ... | ... |
vl.h
... | ... | @@ -302,6 +302,7 @@ typedef struct CharDriverState { |
302 | 302 | QEMUBH *bh; |
303 | 303 | } CharDriverState; |
304 | 304 | |
305 | +CharDriverState *qemu_chr_open(const char *filename); | |
305 | 306 | void qemu_chr_printf(CharDriverState *s, const char *fmt, ...); |
306 | 307 | int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len); |
307 | 308 | void qemu_chr_send_event(CharDriverState *s, int event); |
... | ... | @@ -824,6 +825,8 @@ void i440fx_set_smm(PCIDevice *d, int val); |
824 | 825 | int piix3_init(PCIBus *bus, int devfn); |
825 | 826 | void i440fx_init_memory_mappings(PCIDevice *d); |
826 | 827 | |
828 | +int piix4_init(PCIBus *bus, int devfn); | |
829 | + | |
827 | 830 | /* openpic.c */ |
828 | 831 | typedef struct openpic_t openpic_t; |
829 | 832 | void openpic_set_irq(void *opaque, int n_IRQ, int level); |
... | ... | @@ -1059,6 +1062,9 @@ extern QEMUMachine heathrow_machine; |
1059 | 1062 | /* mips_r4k.c */ |
1060 | 1063 | extern QEMUMachine mips_machine; |
1061 | 1064 | |
1065 | +/* mips_malta.c */ | |
1066 | +extern QEMUMachine mips_malta_machine; | |
1067 | + | |
1062 | 1068 | /* mips_timer.c */ |
1063 | 1069 | extern void cpu_mips_clock_init(CPUState *); |
1064 | 1070 | extern void cpu_mips_irqctrl_init (void); | ... | ... |