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1a6c0886
JM
1/*
2 * QEMU PowerPC 405 evaluation boards emulation
5fafdf24 3 *
1a6c0886 4 * Copyright (c) 2007 Jocelyn Mayer
5fafdf24 5 *
1a6c0886
JM
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 */
87ecb68b
PB
24#include "hw.h"
25#include "ppc.h"
1a6c0886 26#include "ppc405.h"
87ecb68b
PB
27#include "nvram.h"
28#include "flash.h"
29#include "sysemu.h"
30#include "block.h"
31#include "boards.h"
3b3fb322 32#include "qemu-log.h"
ca20cf32 33#include "loader.h"
1a6c0886
JM
34
35#define BIOS_FILENAME "ppc405_rom.bin"
1a6c0886
JM
36#define BIOS_SIZE (2048 * 1024)
37
38#define KERNEL_LOAD_ADDR 0x00000000
39#define INITRD_LOAD_ADDR 0x01800000
40
41#define USE_FLASH_BIOS
42
43#define DEBUG_BOARD_INIT
44
45/*****************************************************************************/
46/* PPC405EP reference board (IBM) */
47/* Standalone board with:
48 * - PowerPC 405EP CPU
49 * - SDRAM (0x00000000)
50 * - Flash (0xFFF80000)
51 * - SRAM (0xFFF00000)
52 * - NVRAM (0xF0000000)
53 * - FPGA (0xF0300000)
54 */
99a0949b 55typedef struct ref405ep_fpga a_ref405ep_fpga;
56struct ref405ep_fpga {
1a6c0886
JM
57 uint8_t reg0;
58 uint8_t reg1;
59};
60
99a0949b 61static uint32_t ref405ep_fpga_readb (void *opaque, a_target_phys_addr addr)
1a6c0886 62{
99a0949b 63 a_ref405ep_fpga *fpga;
1a6c0886
JM
64 uint32_t ret;
65
66 fpga = opaque;
1a6c0886
JM
67 switch (addr) {
68 case 0x0:
69 ret = fpga->reg0;
70 break;
71 case 0x1:
72 ret = fpga->reg1;
73 break;
74 default:
75 ret = 0;
76 break;
77 }
78
79 return ret;
80}
81
82static void ref405ep_fpga_writeb (void *opaque,
99a0949b 83 a_target_phys_addr addr, uint32_t value)
1a6c0886 84{
99a0949b 85 a_ref405ep_fpga *fpga;
1a6c0886
JM
86
87 fpga = opaque;
1a6c0886
JM
88 switch (addr) {
89 case 0x0:
90 /* Read only */
91 break;
92 case 0x1:
93 fpga->reg1 = value;
94 break;
95 default:
96 break;
97 }
98}
99
99a0949b 100static uint32_t ref405ep_fpga_readw (void *opaque, a_target_phys_addr addr)
1a6c0886
JM
101{
102 uint32_t ret;
103
104 ret = ref405ep_fpga_readb(opaque, addr) << 8;
105 ret |= ref405ep_fpga_readb(opaque, addr + 1);
106
107 return ret;
108}
109
110static void ref405ep_fpga_writew (void *opaque,
99a0949b 111 a_target_phys_addr addr, uint32_t value)
1a6c0886
JM
112{
113 ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF);
114 ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF);
115}
116
99a0949b 117static uint32_t ref405ep_fpga_readl (void *opaque, a_target_phys_addr addr)
1a6c0886
JM
118{
119 uint32_t ret;
120
121 ret = ref405ep_fpga_readb(opaque, addr) << 24;
122 ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16;
123 ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8;
124 ret |= ref405ep_fpga_readb(opaque, addr + 3);
125
126 return ret;
127}
128
129static void ref405ep_fpga_writel (void *opaque,
99a0949b 130 a_target_phys_addr addr, uint32_t value)
1a6c0886 131{
8de24106
AJ
132 ref405ep_fpga_writeb(opaque, addr, (value >> 24) & 0xFF);
133 ref405ep_fpga_writeb(opaque, addr + 1, (value >> 16) & 0xFF);
134 ref405ep_fpga_writeb(opaque, addr + 2, (value >> 8) & 0xFF);
1a6c0886
JM
135 ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF);
136}
137
d60efc6b 138static CPUReadMemoryFunc * const ref405ep_fpga_read[] = {
1a6c0886
JM
139 &ref405ep_fpga_readb,
140 &ref405ep_fpga_readw,
141 &ref405ep_fpga_readl,
142};
143
d60efc6b 144static CPUWriteMemoryFunc * const ref405ep_fpga_write[] = {
1a6c0886
JM
145 &ref405ep_fpga_writeb,
146 &ref405ep_fpga_writew,
147 &ref405ep_fpga_writel,
148};
149
150static void ref405ep_fpga_reset (void *opaque)
151{
99a0949b 152 a_ref405ep_fpga *fpga;
1a6c0886
JM
153
154 fpga = opaque;
155 fpga->reg0 = 0x00;
156 fpga->reg1 = 0x0F;
157}
158
159static void ref405ep_fpga_init (uint32_t base)
160{
99a0949b 161 a_ref405ep_fpga *fpga;
1a6c0886
JM
162 int fpga_memory;
163
99a0949b 164 fpga = qemu_mallocz(sizeof(a_ref405ep_fpga));
1eed09cb 165 fpga_memory = cpu_register_io_memory(ref405ep_fpga_read,
487414f1
AL
166 ref405ep_fpga_write, fpga);
167 cpu_register_physical_memory(base, 0x00000100, fpga_memory);
168 ref405ep_fpga_reset(fpga);
a08d4367 169 qemu_register_reset(&ref405ep_fpga_reset, fpga);
1a6c0886
JM
170}
171
99a0949b 172static void ref405ep_init (a_ram_addr ram_size,
3023f332 173 const char *boot_device,
5fafdf24 174 const char *kernel_filename,
1a6c0886
JM
175 const char *kernel_cmdline,
176 const char *initrd_filename,
177 const char *cpu_model)
178{
5cea8590 179 char *filename;
99a0949b 180 a_ppc4xx_bd_info bd;
1a6c0886
JM
181 CPUPPCState *env;
182 qemu_irq *pic;
99a0949b 183 a_ram_addr sram_offset, bios_offset, bdloc;
184 a_target_phys_addr ram_bases[2], ram_sizes[2];
1a6c0886
JM
185 target_ulong sram_size, bios_size;
186 //int phy_addr = 0;
187 //static int phy_addr = 1;
188 target_ulong kernel_base, kernel_size, initrd_base, initrd_size;
189 int linux_boot;
190 int fl_idx, fl_sectors, len;
6ac0e82d 191 int ppc_boot_device = boot_device[0];
751c6a17 192 DriveInfo *dinfo;
1a6c0886
JM
193
194 /* XXX: fix this */
5c130f65 195 ram_bases[0] = qemu_ram_alloc(0x08000000);
1a6c0886
JM
196 ram_sizes[0] = 0x08000000;
197 ram_bases[1] = 0x00000000;
198 ram_sizes[1] = 0x00000000;
199 ram_size = 128 * 1024 * 1024;
200#ifdef DEBUG_BOARD_INIT
201 printf("%s: register cpu\n", __func__);
202#endif
5c130f65 203 env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic,
1a6c0886
JM
204 kernel_filename == NULL ? 0 : 1);
205 /* allocate SRAM */
5c130f65
PB
206 sram_size = 512 * 1024;
207 sram_offset = qemu_ram_alloc(sram_size);
1a6c0886
JM
208#ifdef DEBUG_BOARD_INIT
209 printf("%s: register SRAM at offset %08lx\n", __func__, sram_offset);
210#endif
1a6c0886
JM
211 cpu_register_physical_memory(0xFFF00000, sram_size,
212 sram_offset | IO_MEM_RAM);
213 /* allocate and load BIOS */
214#ifdef DEBUG_BOARD_INIT
215 printf("%s: register BIOS\n", __func__);
216#endif
1a6c0886
JM
217 fl_idx = 0;
218#ifdef USE_FLASH_BIOS
751c6a17
GH
219 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
220 if (dinfo) {
221 bios_size = bdrv_getlength(dinfo->bdrv);
5c130f65 222 bios_offset = qemu_ram_alloc(bios_size);
1a6c0886
JM
223 fl_sectors = (bios_size + 65535) >> 16;
224#ifdef DEBUG_BOARD_INIT
90e189ec
BS
225 printf("Register parallel flash %d size " TARGET_FMT_lx
226 " at offset %08lx addr " TARGET_FMT_lx " '%s' %d\n",
1a6c0886 227 fl_idx, bios_size, bios_offset, -bios_size,
751c6a17 228 bdrv_get_device_name(dinfo->bdrv), fl_sectors);
1a6c0886 229#endif
88eeee0a 230 pflash_cfi02_register((uint32_t)(-bios_size), bios_offset,
751c6a17 231 dinfo->bdrv, 65536, fl_sectors, 1,
4fbd24ba 232 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
1a6c0886
JM
233 fl_idx++;
234 } else
235#endif
236 {
237#ifdef DEBUG_BOARD_INIT
238 printf("Load BIOS from file\n");
239#endif
5cea8590 240 bios_offset = qemu_ram_alloc(BIOS_SIZE);
1192dad8
JM
241 if (bios_name == NULL)
242 bios_name = BIOS_FILENAME;
5cea8590
PB
243 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
244 if (filename) {
245 bios_size = load_image(filename, qemu_get_ram_ptr(bios_offset));
246 qemu_free(filename);
247 } else {
248 bios_size = -1;
249 }
1a6c0886 250 if (bios_size < 0 || bios_size > BIOS_SIZE) {
5cea8590
PB
251 fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n",
252 bios_name);
1a6c0886
JM
253 exit(1);
254 }
255 bios_size = (bios_size + 0xfff) & ~0xfff;
5fafdf24 256 cpu_register_physical_memory((uint32_t)(-bios_size),
1a6c0886
JM
257 bios_size, bios_offset | IO_MEM_ROM);
258 }
1a6c0886
JM
259 /* Register FPGA */
260#ifdef DEBUG_BOARD_INIT
261 printf("%s: register FPGA\n", __func__);
262#endif
263 ref405ep_fpga_init(0xF0300000);
264 /* Register NVRAM */
265#ifdef DEBUG_BOARD_INIT
266 printf("%s: register NVRAM\n", __func__);
267#endif
268 m48t59_init(NULL, 0xF0000000, 0, 8192, 8);
269 /* Load kernel */
270 linux_boot = (kernel_filename != NULL);
271 if (linux_boot) {
272#ifdef DEBUG_BOARD_INIT
273 printf("%s: load kernel\n", __func__);
274#endif
275 memset(&bd, 0, sizeof(bd));
276 bd.bi_memstart = 0x00000000;
277 bd.bi_memsize = ram_size;
217fae2d 278 bd.bi_flashstart = -bios_size;
1a6c0886
JM
279 bd.bi_flashsize = -bios_size;
280 bd.bi_flashoffset = 0;
281 bd.bi_sramstart = 0xFFF00000;
282 bd.bi_sramsize = sram_size;
283 bd.bi_bootflags = 0;
284 bd.bi_intfreq = 133333333;
285 bd.bi_busfreq = 33333333;
286 bd.bi_baudrate = 115200;
287 bd.bi_s_version[0] = 'Q';
288 bd.bi_s_version[1] = 'M';
289 bd.bi_s_version[2] = 'U';
290 bd.bi_s_version[3] = '\0';
291 bd.bi_r_version[0] = 'Q';
292 bd.bi_r_version[1] = 'E';
293 bd.bi_r_version[2] = 'M';
294 bd.bi_r_version[3] = 'U';
295 bd.bi_r_version[4] = '\0';
296 bd.bi_procfreq = 133333333;
297 bd.bi_plb_busfreq = 33333333;
298 bd.bi_pci_busfreq = 33333333;
299 bd.bi_opbfreq = 33333333;
b8d3f5d1 300 bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
1a6c0886
JM
301 env->gpr[3] = bdloc;
302 kernel_base = KERNEL_LOAD_ADDR;
303 /* now we can load the kernel */
5c130f65
PB
304 kernel_size = load_image_targphys(kernel_filename, kernel_base,
305 ram_size - kernel_base);
1a6c0886 306 if (kernel_size < 0) {
5fafdf24 307 fprintf(stderr, "qemu: could not load kernel '%s'\n",
1a6c0886
JM
308 kernel_filename);
309 exit(1);
310 }
5c130f65
PB
311 printf("Load kernel size " TARGET_FMT_ld " at " TARGET_FMT_lx,
312 kernel_size, kernel_base);
1a6c0886
JM
313 /* load initrd */
314 if (initrd_filename) {
315 initrd_base = INITRD_LOAD_ADDR;
5c130f65
PB
316 initrd_size = load_image_targphys(initrd_filename, initrd_base,
317 ram_size - initrd_base);
1a6c0886 318 if (initrd_size < 0) {
5fafdf24 319 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
1a6c0886
JM
320 initrd_filename);
321 exit(1);
322 }
323 } else {
324 initrd_base = 0;
325 initrd_size = 0;
326 }
327 env->gpr[4] = initrd_base;
328 env->gpr[5] = initrd_size;
6ac0e82d 329 ppc_boot_device = 'm';
1a6c0886
JM
330 if (kernel_cmdline != NULL) {
331 len = strlen(kernel_cmdline);
332 bdloc -= ((len + 255) & ~255);
5c130f65 333 cpu_physical_memory_write(bdloc, (void *)kernel_cmdline, len + 1);
1a6c0886
JM
334 env->gpr[6] = bdloc;
335 env->gpr[7] = bdloc + len;
336 } else {
337 env->gpr[6] = 0;
338 env->gpr[7] = 0;
339 }
340 env->nip = KERNEL_LOAD_ADDR;
341 } else {
342 kernel_base = 0;
343 kernel_size = 0;
344 initrd_base = 0;
345 initrd_size = 0;
346 bdloc = 0;
347 }
348#ifdef DEBUG_BOARD_INIT
349 printf("%s: Done\n", __func__);
350#endif
5c130f65 351 printf("bdloc %016lx\n", (unsigned long)bdloc);
1a6c0886
JM
352}
353
f80f9ec9 354static QEMUMachine ref405ep_machine = {
4b32e168
AL
355 .name = "ref405ep",
356 .desc = "ref405ep",
357 .init = ref405ep_init,
1a6c0886
JM
358};
359
360/*****************************************************************************/
361/* AMCC Taihu evaluation board */
362/* - PowerPC 405EP processor
363 * - SDRAM 128 MB at 0x00000000
364 * - Boot flash 2 MB at 0xFFE00000
365 * - Application flash 32 MB at 0xFC000000
366 * - 2 serial ports
367 * - 2 ethernet PHY
368 * - 1 USB 1.1 device 0x50000000
369 * - 1 LCD display 0x50100000
370 * - 1 CPLD 0x50100000
371 * - 1 I2C EEPROM
372 * - 1 I2C thermal sensor
373 * - a set of LEDs
374 * - bit-bang SPI port using GPIOs
375 * - 1 EBC interface connector 0 0x50200000
376 * - 1 cardbus controller + expansion slot.
377 * - 1 PCI expansion slot.
378 */
379typedef struct taihu_cpld_t taihu_cpld_t;
380struct taihu_cpld_t {
1a6c0886
JM
381 uint8_t reg0;
382 uint8_t reg1;
383};
384
99a0949b 385static uint32_t taihu_cpld_readb (void *opaque, a_target_phys_addr addr)
1a6c0886
JM
386{
387 taihu_cpld_t *cpld;
388 uint32_t ret;
389
390 cpld = opaque;
1a6c0886
JM
391 switch (addr) {
392 case 0x0:
393 ret = cpld->reg0;
394 break;
395 case 0x1:
396 ret = cpld->reg1;
397 break;
398 default:
399 ret = 0;
400 break;
401 }
402
403 return ret;
404}
405
406static void taihu_cpld_writeb (void *opaque,
99a0949b 407 a_target_phys_addr addr, uint32_t value)
1a6c0886
JM
408{
409 taihu_cpld_t *cpld;
410
411 cpld = opaque;
1a6c0886
JM
412 switch (addr) {
413 case 0x0:
414 /* Read only */
415 break;
416 case 0x1:
417 cpld->reg1 = value;
418 break;
419 default:
420 break;
421 }
422}
423
99a0949b 424static uint32_t taihu_cpld_readw (void *opaque, a_target_phys_addr addr)
1a6c0886
JM
425{
426 uint32_t ret;
427
428 ret = taihu_cpld_readb(opaque, addr) << 8;
429 ret |= taihu_cpld_readb(opaque, addr + 1);
430
431 return ret;
432}
433
434static void taihu_cpld_writew (void *opaque,
99a0949b 435 a_target_phys_addr addr, uint32_t value)
1a6c0886
JM
436{
437 taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF);
438 taihu_cpld_writeb(opaque, addr + 1, value & 0xFF);
439}
440
99a0949b 441static uint32_t taihu_cpld_readl (void *opaque, a_target_phys_addr addr)
1a6c0886
JM
442{
443 uint32_t ret;
444
445 ret = taihu_cpld_readb(opaque, addr) << 24;
446 ret |= taihu_cpld_readb(opaque, addr + 1) << 16;
447 ret |= taihu_cpld_readb(opaque, addr + 2) << 8;
448 ret |= taihu_cpld_readb(opaque, addr + 3);
449
450 return ret;
451}
452
453static void taihu_cpld_writel (void *opaque,
99a0949b 454 a_target_phys_addr addr, uint32_t value)
1a6c0886
JM
455{
456 taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF);
457 taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF);
458 taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF);
459 taihu_cpld_writeb(opaque, addr + 3, value & 0xFF);
460}
461
d60efc6b 462static CPUReadMemoryFunc * const taihu_cpld_read[] = {
1a6c0886
JM
463 &taihu_cpld_readb,
464 &taihu_cpld_readw,
465 &taihu_cpld_readl,
466};
467
d60efc6b 468static CPUWriteMemoryFunc * const taihu_cpld_write[] = {
1a6c0886
JM
469 &taihu_cpld_writeb,
470 &taihu_cpld_writew,
471 &taihu_cpld_writel,
472};
473
474static void taihu_cpld_reset (void *opaque)
475{
476 taihu_cpld_t *cpld;
477
478 cpld = opaque;
479 cpld->reg0 = 0x01;
480 cpld->reg1 = 0x80;
481}
482
483static void taihu_cpld_init (uint32_t base)
484{
485 taihu_cpld_t *cpld;
486 int cpld_memory;
487
488 cpld = qemu_mallocz(sizeof(taihu_cpld_t));
1eed09cb 489 cpld_memory = cpu_register_io_memory(taihu_cpld_read,
487414f1
AL
490 taihu_cpld_write, cpld);
491 cpu_register_physical_memory(base, 0x00000100, cpld_memory);
492 taihu_cpld_reset(cpld);
a08d4367 493 qemu_register_reset(&taihu_cpld_reset, cpld);
1a6c0886
JM
494}
495
99a0949b 496static void taihu_405ep_init(a_ram_addr ram_size,
3023f332 497 const char *boot_device,
5fafdf24 498 const char *kernel_filename,
1a6c0886
JM
499 const char *kernel_cmdline,
500 const char *initrd_filename,
501 const char *cpu_model)
502{
5cea8590 503 char *filename;
1a6c0886
JM
504 CPUPPCState *env;
505 qemu_irq *pic;
99a0949b 506 a_ram_addr bios_offset;
507 a_target_phys_addr ram_bases[2], ram_sizes[2];
1a6c0886
JM
508 target_ulong bios_size;
509 target_ulong kernel_base, kernel_size, initrd_base, initrd_size;
510 int linux_boot;
511 int fl_idx, fl_sectors;
6ac0e82d 512 int ppc_boot_device = boot_device[0];
751c6a17 513 DriveInfo *dinfo;
3b46e624 514
1a6c0886 515 /* RAM is soldered to the board so the size cannot be changed */
5c130f65 516 ram_bases[0] = qemu_ram_alloc(0x04000000);
1a6c0886 517 ram_sizes[0] = 0x04000000;
5c130f65 518 ram_bases[1] = qemu_ram_alloc(0x04000000);
1a6c0886 519 ram_sizes[1] = 0x04000000;
a0b753df 520 ram_size = 0x08000000;
1a6c0886
JM
521#ifdef DEBUG_BOARD_INIT
522 printf("%s: register cpu\n", __func__);
523#endif
5c130f65 524 env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic,
1a6c0886
JM
525 kernel_filename == NULL ? 0 : 1);
526 /* allocate and load BIOS */
527#ifdef DEBUG_BOARD_INIT
528 printf("%s: register BIOS\n", __func__);
529#endif
530 fl_idx = 0;
531#if defined(USE_FLASH_BIOS)
751c6a17
GH
532 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
533 if (dinfo) {
534 bios_size = bdrv_getlength(dinfo->bdrv);
1a6c0886
JM
535 /* XXX: should check that size is 2MB */
536 // bios_size = 2 * 1024 * 1024;
537 fl_sectors = (bios_size + 65535) >> 16;
5c130f65 538 bios_offset = qemu_ram_alloc(bios_size);
1a6c0886 539#ifdef DEBUG_BOARD_INIT
90e189ec
BS
540 printf("Register parallel flash %d size " TARGET_FMT_lx
541 " at offset %08lx addr " TARGET_FMT_lx " '%s' %d\n",
1a6c0886 542 fl_idx, bios_size, bios_offset, -bios_size,
751c6a17 543 bdrv_get_device_name(dinfo->bdrv), fl_sectors);
1a6c0886 544#endif
88eeee0a 545 pflash_cfi02_register((uint32_t)(-bios_size), bios_offset,
751c6a17 546 dinfo->bdrv, 65536, fl_sectors, 1,
4fbd24ba 547 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
1a6c0886
JM
548 fl_idx++;
549 } else
550#endif
551 {
552#ifdef DEBUG_BOARD_INIT
553 printf("Load BIOS from file\n");
554#endif
1192dad8
JM
555 if (bios_name == NULL)
556 bios_name = BIOS_FILENAME;
5c130f65 557 bios_offset = qemu_ram_alloc(BIOS_SIZE);
5cea8590
PB
558 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
559 if (filename) {
560 bios_size = load_image(filename, qemu_get_ram_ptr(bios_offset));
561 } else {
562 bios_size = -1;
563 }
1a6c0886 564 if (bios_size < 0 || bios_size > BIOS_SIZE) {
5cea8590
PB
565 fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n",
566 bios_name);
1a6c0886
JM
567 exit(1);
568 }
569 bios_size = (bios_size + 0xfff) & ~0xfff;
5fafdf24 570 cpu_register_physical_memory((uint32_t)(-bios_size),
1a6c0886
JM
571 bios_size, bios_offset | IO_MEM_ROM);
572 }
1a6c0886 573 /* Register Linux flash */
751c6a17
GH
574 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
575 if (dinfo) {
576 bios_size = bdrv_getlength(dinfo->bdrv);
1a6c0886
JM
577 /* XXX: should check that size is 32MB */
578 bios_size = 32 * 1024 * 1024;
579 fl_sectors = (bios_size + 65535) >> 16;
580#ifdef DEBUG_BOARD_INIT
90e189ec
BS
581 printf("Register parallel flash %d size " TARGET_FMT_lx
582 " at offset %08lx addr " TARGET_FMT_lx " '%s'\n",
1a6c0886 583 fl_idx, bios_size, bios_offset, (target_ulong)0xfc000000,
751c6a17 584 bdrv_get_device_name(dinfo->bdrv));
1a6c0886 585#endif
5c130f65 586 bios_offset = qemu_ram_alloc(bios_size);
88eeee0a 587 pflash_cfi02_register(0xfc000000, bios_offset,
751c6a17 588 dinfo->bdrv, 65536, fl_sectors, 1,
4fbd24ba 589 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
1a6c0886
JM
590 fl_idx++;
591 }
592 /* Register CLPD & LCD display */
593#ifdef DEBUG_BOARD_INIT
594 printf("%s: register CPLD\n", __func__);
595#endif
596 taihu_cpld_init(0x50100000);
597 /* Load kernel */
598 linux_boot = (kernel_filename != NULL);
599 if (linux_boot) {
600#ifdef DEBUG_BOARD_INIT
601 printf("%s: load kernel\n", __func__);
602#endif
603 kernel_base = KERNEL_LOAD_ADDR;
604 /* now we can load the kernel */
5c130f65
PB
605 kernel_size = load_image_targphys(kernel_filename, kernel_base,
606 ram_size - kernel_base);
1a6c0886 607 if (kernel_size < 0) {
5fafdf24 608 fprintf(stderr, "qemu: could not load kernel '%s'\n",
1a6c0886
JM
609 kernel_filename);
610 exit(1);
611 }
612 /* load initrd */
613 if (initrd_filename) {
614 initrd_base = INITRD_LOAD_ADDR;
5c130f65
PB
615 initrd_size = load_image_targphys(initrd_filename, initrd_base,
616 ram_size - initrd_base);
1a6c0886
JM
617 if (initrd_size < 0) {
618 fprintf(stderr,
5fafdf24 619 "qemu: could not load initial ram disk '%s'\n",
1a6c0886
JM
620 initrd_filename);
621 exit(1);
622 }
623 } else {
624 initrd_base = 0;
625 initrd_size = 0;
626 }
6ac0e82d 627 ppc_boot_device = 'm';
1a6c0886
JM
628 } else {
629 kernel_base = 0;
630 kernel_size = 0;
631 initrd_base = 0;
632 initrd_size = 0;
633 }
634#ifdef DEBUG_BOARD_INIT
635 printf("%s: Done\n", __func__);
636#endif
637}
638
f80f9ec9 639static QEMUMachine taihu_machine = {
b2ee0ce2
PB
640 .name = "taihu",
641 .desc = "taihu",
642 .init = taihu_405ep_init,
1a6c0886 643};
f80f9ec9
AL
644
645static void ppc405_machine_init(void)
646{
647 qemu_register_machine(&ref405ep_machine);
648 qemu_register_machine(&taihu_machine);
649}
650
651machine_init(ppc405_machine_init);