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CommitLineData
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 */
83c9f4ca 24#include "hw/hw.h"
0d09e41a 25#include "hw/ppc/ppc.h"
47b43a1f 26#include "ppc405.h"
0d09e41a
PB
27#include "hw/timer/m48t59.h"
28#include "hw/block/flash.h"
9c17d615 29#include "sysemu/sysemu.h"
ad9990ac 30#include "sysemu/qtest.h"
4be74634 31#include "sysemu/block-backend.h"
83c9f4ca 32#include "hw/boards.h"
1de7afc9 33#include "qemu/log.h"
ad9990ac 34#include "qemu/error-report.h"
83c9f4ca 35#include "hw/loader.h"
fa1d36df 36#include "sysemu/block-backend.h"
9c17d615 37#include "sysemu/blockdev.h"
022c62cb 38#include "exec/address-spaces.h"
1a6c0886
JM
39
40#define BIOS_FILENAME "ppc405_rom.bin"
1a6c0886
JM
41#define BIOS_SIZE (2048 * 1024)
42
43#define KERNEL_LOAD_ADDR 0x00000000
44#define INITRD_LOAD_ADDR 0x01800000
45
46#define USE_FLASH_BIOS
47
bf2ed917 48//#define DEBUG_BOARD_INIT
1a6c0886
JM
49
50/*****************************************************************************/
51/* PPC405EP reference board (IBM) */
52/* Standalone board with:
53 * - PowerPC 405EP CPU
54 * - SDRAM (0x00000000)
55 * - Flash (0xFFF80000)
56 * - SRAM (0xFFF00000)
57 * - NVRAM (0xF0000000)
58 * - FPGA (0xF0300000)
59 */
c227f099
AL
60typedef struct ref405ep_fpga_t ref405ep_fpga_t;
61struct ref405ep_fpga_t {
1a6c0886
JM
62 uint8_t reg0;
63 uint8_t reg1;
64};
65
a8170e5e 66static uint32_t ref405ep_fpga_readb (void *opaque, hwaddr addr)
1a6c0886 67{
c227f099 68 ref405ep_fpga_t *fpga;
1a6c0886
JM
69 uint32_t ret;
70
71 fpga = opaque;
1a6c0886
JM
72 switch (addr) {
73 case 0x0:
74 ret = fpga->reg0;
75 break;
76 case 0x1:
77 ret = fpga->reg1;
78 break;
79 default:
80 ret = 0;
81 break;
82 }
83
84 return ret;
85}
86
87static void ref405ep_fpga_writeb (void *opaque,
a8170e5e 88 hwaddr addr, uint32_t value)
1a6c0886 89{
c227f099 90 ref405ep_fpga_t *fpga;
1a6c0886
JM
91
92 fpga = opaque;
1a6c0886
JM
93 switch (addr) {
94 case 0x0:
95 /* Read only */
96 break;
97 case 0x1:
98 fpga->reg1 = value;
99 break;
100 default:
101 break;
102 }
103}
104
a8170e5e 105static uint32_t ref405ep_fpga_readw (void *opaque, hwaddr addr)
1a6c0886
JM
106{
107 uint32_t ret;
108
109 ret = ref405ep_fpga_readb(opaque, addr) << 8;
110 ret |= ref405ep_fpga_readb(opaque, addr + 1);
111
112 return ret;
113}
114
115static void ref405ep_fpga_writew (void *opaque,
a8170e5e 116 hwaddr addr, uint32_t value)
1a6c0886
JM
117{
118 ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF);
119 ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF);
120}
121
a8170e5e 122static uint32_t ref405ep_fpga_readl (void *opaque, hwaddr addr)
1a6c0886
JM
123{
124 uint32_t ret;
125
126 ret = ref405ep_fpga_readb(opaque, addr) << 24;
127 ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16;
128 ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8;
129 ret |= ref405ep_fpga_readb(opaque, addr + 3);
130
131 return ret;
132}
133
134static void ref405ep_fpga_writel (void *opaque,
a8170e5e 135 hwaddr addr, uint32_t value)
1a6c0886 136{
8de24106
AJ
137 ref405ep_fpga_writeb(opaque, addr, (value >> 24) & 0xFF);
138 ref405ep_fpga_writeb(opaque, addr + 1, (value >> 16) & 0xFF);
139 ref405ep_fpga_writeb(opaque, addr + 2, (value >> 8) & 0xFF);
1a6c0886
JM
140 ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF);
141}
142
a682fd5c
AK
143static const MemoryRegionOps ref405ep_fpga_ops = {
144 .old_mmio = {
145 .read = {
146 ref405ep_fpga_readb, ref405ep_fpga_readw, ref405ep_fpga_readl,
147 },
148 .write = {
149 ref405ep_fpga_writeb, ref405ep_fpga_writew, ref405ep_fpga_writel,
150 },
151 },
152 .endianness = DEVICE_NATIVE_ENDIAN,
1a6c0886
JM
153};
154
155static void ref405ep_fpga_reset (void *opaque)
156{
c227f099 157 ref405ep_fpga_t *fpga;
1a6c0886
JM
158
159 fpga = opaque;
160 fpga->reg0 = 0x00;
161 fpga->reg1 = 0x0F;
162}
163
5f072e1f 164static void ref405ep_fpga_init(MemoryRegion *sysmem, uint32_t base)
1a6c0886 165{
c227f099 166 ref405ep_fpga_t *fpga;
a682fd5c 167 MemoryRegion *fpga_memory = g_new(MemoryRegion, 1);
1a6c0886 168
7267c094 169 fpga = g_malloc0(sizeof(ref405ep_fpga_t));
2c9b15ca 170 memory_region_init_io(fpga_memory, NULL, &ref405ep_fpga_ops, fpga,
a682fd5c
AK
171 "fpga", 0x00000100);
172 memory_region_add_subregion(sysmem, base, fpga_memory);
a08d4367 173 qemu_register_reset(&ref405ep_fpga_reset, fpga);
1a6c0886
JM
174}
175
3ef96221 176static void ref405ep_init(MachineState *machine)
1a6c0886 177{
3ef96221
MA
178 ram_addr_t ram_size = machine->ram_size;
179 const char *kernel_filename = machine->kernel_filename;
180 const char *kernel_cmdline = machine->kernel_cmdline;
181 const char *initrd_filename = machine->initrd_filename;
5cea8590 182 char *filename;
c227f099 183 ppc4xx_bd_info_t bd;
1a6c0886
JM
184 CPUPPCState *env;
185 qemu_irq *pic;
cfe5f011 186 MemoryRegion *bios;
a682fd5c
AK
187 MemoryRegion *sram = g_new(MemoryRegion, 1);
188 ram_addr_t bdloc;
b6dcbe08 189 MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories));
a8170e5e 190 hwaddr ram_bases[2], ram_sizes[2];
093209cd
BS
191 target_ulong sram_size;
192 long bios_size;
1a6c0886
JM
193 //int phy_addr = 0;
194 //static int phy_addr = 1;
093209cd
BS
195 target_ulong kernel_base, initrd_base;
196 long kernel_size, initrd_size;
1a6c0886
JM
197 int linux_boot;
198 int fl_idx, fl_sectors, len;
751c6a17 199 DriveInfo *dinfo;
a682fd5c 200 MemoryRegion *sysmem = get_system_memory();
1a6c0886
JM
201
202 /* XXX: fix this */
e938ba0c
SP
203 memory_region_allocate_system_memory(&ram_memories[0], NULL, "ef405ep.ram",
204 0x08000000);
b6dcbe08 205 ram_bases[0] = 0;
1a6c0886 206 ram_sizes[0] = 0x08000000;
2c9b15ca 207 memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0);
1a6c0886
JM
208 ram_bases[1] = 0x00000000;
209 ram_sizes[1] = 0x00000000;
210 ram_size = 128 * 1024 * 1024;
211#ifdef DEBUG_BOARD_INIT
212 printf("%s: register cpu\n", __func__);
213#endif
a682fd5c 214 env = ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
52ce55a1 215 33333333, &pic, kernel_filename == NULL ? 0 : 1);
1a6c0886 216 /* allocate SRAM */
5c130f65 217 sram_size = 512 * 1024;
f8ed85ac
MA
218 memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size,
219 &error_fatal);
e206ad48 220 vmstate_register_ram_global(sram);
a682fd5c 221 memory_region_add_subregion(sysmem, 0xFFF00000, sram);
1a6c0886
JM
222 /* allocate and load BIOS */
223#ifdef DEBUG_BOARD_INIT
224 printf("%s: register BIOS\n", __func__);
225#endif
1a6c0886
JM
226 fl_idx = 0;
227#ifdef USE_FLASH_BIOS
751c6a17
GH
228 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
229 if (dinfo) {
4be74634 230 BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
fa1d36df 231
4be74634 232 bios_size = blk_getlength(blk);
1a6c0886
JM
233 fl_sectors = (bios_size + 65535) >> 16;
234#ifdef DEBUG_BOARD_INIT
093209cd 235 printf("Register parallel flash %d size %lx"
cfe5f011
AK
236 " at addr %lx '%s' %d\n",
237 fl_idx, bios_size, -bios_size,
4be74634 238 blk_name(blk), fl_sectors);
1a6c0886 239#endif
cfe5f011
AK
240 pflash_cfi02_register((uint32_t)(-bios_size),
241 NULL, "ef405ep.bios", bios_size,
4be74634 242 blk, 65536, fl_sectors, 1,
01e0451a
AL
243 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
244 1);
1a6c0886
JM
245 fl_idx++;
246 } else
247#endif
248 {
249#ifdef DEBUG_BOARD_INIT
250 printf("Load BIOS from file\n");
251#endif
cfe5f011 252 bios = g_new(MemoryRegion, 1);
49946538 253 memory_region_init_ram(bios, NULL, "ef405ep.bios", BIOS_SIZE,
f8ed85ac 254 &error_fatal);
e206ad48
HT
255 vmstate_register_ram_global(bios);
256
1192dad8
JM
257 if (bios_name == NULL)
258 bios_name = BIOS_FILENAME;
5cea8590
PB
259 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
260 if (filename) {
cfe5f011 261 bios_size = load_image(filename, memory_region_get_ram_ptr(bios));
7267c094 262 g_free(filename);
ad9990ac
AF
263 if (bios_size < 0 || bios_size > BIOS_SIZE) {
264 error_report("Could not load PowerPC BIOS '%s'", bios_name);
265 exit(1);
266 }
267 bios_size = (bios_size + 0xfff) & ~0xfff;
268 memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios);
269 } else if (!qtest_enabled() || kernel_filename != NULL) {
270 error_report("Could not load PowerPC BIOS '%s'", bios_name);
271 exit(1);
5cea8590 272 } else {
ad9990ac 273 /* Avoid an uninitialized variable warning */
5cea8590
PB
274 bios_size = -1;
275 }
cfe5f011 276 memory_region_set_readonly(bios, true);
1a6c0886 277 }
1a6c0886
JM
278 /* Register FPGA */
279#ifdef DEBUG_BOARD_INIT
280 printf("%s: register FPGA\n", __func__);
281#endif
a682fd5c 282 ref405ep_fpga_init(sysmem, 0xF0300000);
1a6c0886
JM
283 /* Register NVRAM */
284#ifdef DEBUG_BOARD_INIT
285 printf("%s: register NVRAM\n", __func__);
286#endif
6de04973 287 m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
1a6c0886
JM
288 /* Load kernel */
289 linux_boot = (kernel_filename != NULL);
290 if (linux_boot) {
291#ifdef DEBUG_BOARD_INIT
292 printf("%s: load kernel\n", __func__);
293#endif
294 memset(&bd, 0, sizeof(bd));
295 bd.bi_memstart = 0x00000000;
296 bd.bi_memsize = ram_size;
217fae2d 297 bd.bi_flashstart = -bios_size;
1a6c0886
JM
298 bd.bi_flashsize = -bios_size;
299 bd.bi_flashoffset = 0;
300 bd.bi_sramstart = 0xFFF00000;
301 bd.bi_sramsize = sram_size;
302 bd.bi_bootflags = 0;
303 bd.bi_intfreq = 133333333;
304 bd.bi_busfreq = 33333333;
305 bd.bi_baudrate = 115200;
306 bd.bi_s_version[0] = 'Q';
307 bd.bi_s_version[1] = 'M';
308 bd.bi_s_version[2] = 'U';
309 bd.bi_s_version[3] = '\0';
310 bd.bi_r_version[0] = 'Q';
311 bd.bi_r_version[1] = 'E';
312 bd.bi_r_version[2] = 'M';
313 bd.bi_r_version[3] = 'U';
314 bd.bi_r_version[4] = '\0';
315 bd.bi_procfreq = 133333333;
316 bd.bi_plb_busfreq = 33333333;
317 bd.bi_pci_busfreq = 33333333;
318 bd.bi_opbfreq = 33333333;
b8d3f5d1 319 bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
1a6c0886
JM
320 env->gpr[3] = bdloc;
321 kernel_base = KERNEL_LOAD_ADDR;
322 /* now we can load the kernel */
5c130f65
PB
323 kernel_size = load_image_targphys(kernel_filename, kernel_base,
324 ram_size - kernel_base);
1a6c0886 325 if (kernel_size < 0) {
5fafdf24 326 fprintf(stderr, "qemu: could not load kernel '%s'\n",
1a6c0886
JM
327 kernel_filename);
328 exit(1);
329 }
093209cd 330 printf("Load kernel size %ld at " TARGET_FMT_lx,
5c130f65 331 kernel_size, kernel_base);
1a6c0886
JM
332 /* load initrd */
333 if (initrd_filename) {
334 initrd_base = INITRD_LOAD_ADDR;
5c130f65
PB
335 initrd_size = load_image_targphys(initrd_filename, initrd_base,
336 ram_size - initrd_base);
1a6c0886 337 if (initrd_size < 0) {
5fafdf24 338 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
1a6c0886
JM
339 initrd_filename);
340 exit(1);
341 }
342 } else {
343 initrd_base = 0;
344 initrd_size = 0;
345 }
346 env->gpr[4] = initrd_base;
347 env->gpr[5] = initrd_size;
1a6c0886
JM
348 if (kernel_cmdline != NULL) {
349 len = strlen(kernel_cmdline);
350 bdloc -= ((len + 255) & ~255);
e1fe50dc 351 cpu_physical_memory_write(bdloc, kernel_cmdline, len + 1);
1a6c0886
JM
352 env->gpr[6] = bdloc;
353 env->gpr[7] = bdloc + len;
354 } else {
355 env->gpr[6] = 0;
356 env->gpr[7] = 0;
357 }
358 env->nip = KERNEL_LOAD_ADDR;
359 } else {
360 kernel_base = 0;
361 kernel_size = 0;
362 initrd_base = 0;
363 initrd_size = 0;
364 bdloc = 0;
365 }
366#ifdef DEBUG_BOARD_INIT
bf2ed917 367 printf("bdloc " RAM_ADDR_FMT "\n", bdloc);
1a6c0886
JM
368 printf("%s: Done\n", __func__);
369#endif
1a6c0886
JM
370}
371
8a661aea 372static void ref405ep_class_init(ObjectClass *oc, void *data)
e264d29d 373{
8a661aea
AF
374 MachineClass *mc = MACHINE_CLASS(oc);
375
e264d29d
EH
376 mc->desc = "ref405ep";
377 mc->init = ref405ep_init;
378}
379
8a661aea
AF
380static const TypeInfo ref405ep_type = {
381 .name = MACHINE_TYPE_NAME("ref405ep"),
382 .parent = TYPE_MACHINE,
383 .class_init = ref405ep_class_init,
384};
1a6c0886
JM
385
386/*****************************************************************************/
387/* AMCC Taihu evaluation board */
388/* - PowerPC 405EP processor
389 * - SDRAM 128 MB at 0x00000000
390 * - Boot flash 2 MB at 0xFFE00000
391 * - Application flash 32 MB at 0xFC000000
392 * - 2 serial ports
393 * - 2 ethernet PHY
394 * - 1 USB 1.1 device 0x50000000
395 * - 1 LCD display 0x50100000
396 * - 1 CPLD 0x50100000
397 * - 1 I2C EEPROM
398 * - 1 I2C thermal sensor
399 * - a set of LEDs
400 * - bit-bang SPI port using GPIOs
401 * - 1 EBC interface connector 0 0x50200000
402 * - 1 cardbus controller + expansion slot.
403 * - 1 PCI expansion slot.
404 */
405typedef struct taihu_cpld_t taihu_cpld_t;
406struct taihu_cpld_t {
1a6c0886
JM
407 uint8_t reg0;
408 uint8_t reg1;
409};
410
a8170e5e 411static uint32_t taihu_cpld_readb (void *opaque, hwaddr addr)
1a6c0886
JM
412{
413 taihu_cpld_t *cpld;
414 uint32_t ret;
415
416 cpld = opaque;
1a6c0886
JM
417 switch (addr) {
418 case 0x0:
419 ret = cpld->reg0;
420 break;
421 case 0x1:
422 ret = cpld->reg1;
423 break;
424 default:
425 ret = 0;
426 break;
427 }
428
429 return ret;
430}
431
432static void taihu_cpld_writeb (void *opaque,
a8170e5e 433 hwaddr addr, uint32_t value)
1a6c0886
JM
434{
435 taihu_cpld_t *cpld;
436
437 cpld = opaque;
1a6c0886
JM
438 switch (addr) {
439 case 0x0:
440 /* Read only */
441 break;
442 case 0x1:
443 cpld->reg1 = value;
444 break;
445 default:
446 break;
447 }
448}
449
a8170e5e 450static uint32_t taihu_cpld_readw (void *opaque, hwaddr addr)
1a6c0886
JM
451{
452 uint32_t ret;
453
454 ret = taihu_cpld_readb(opaque, addr) << 8;
455 ret |= taihu_cpld_readb(opaque, addr + 1);
456
457 return ret;
458}
459
460static void taihu_cpld_writew (void *opaque,
a8170e5e 461 hwaddr addr, uint32_t value)
1a6c0886
JM
462{
463 taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF);
464 taihu_cpld_writeb(opaque, addr + 1, value & 0xFF);
465}
466
a8170e5e 467static uint32_t taihu_cpld_readl (void *opaque, hwaddr addr)
1a6c0886
JM
468{
469 uint32_t ret;
470
471 ret = taihu_cpld_readb(opaque, addr) << 24;
472 ret |= taihu_cpld_readb(opaque, addr + 1) << 16;
473 ret |= taihu_cpld_readb(opaque, addr + 2) << 8;
474 ret |= taihu_cpld_readb(opaque, addr + 3);
475
476 return ret;
477}
478
479static void taihu_cpld_writel (void *opaque,
a8170e5e 480 hwaddr addr, uint32_t value)
1a6c0886
JM
481{
482 taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF);
483 taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF);
484 taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF);
485 taihu_cpld_writeb(opaque, addr + 3, value & 0xFF);
486}
487
a682fd5c
AK
488static const MemoryRegionOps taihu_cpld_ops = {
489 .old_mmio = {
490 .read = { taihu_cpld_readb, taihu_cpld_readw, taihu_cpld_readl, },
491 .write = { taihu_cpld_writeb, taihu_cpld_writew, taihu_cpld_writel, },
492 },
493 .endianness = DEVICE_NATIVE_ENDIAN,
1a6c0886
JM
494};
495
496static void taihu_cpld_reset (void *opaque)
497{
498 taihu_cpld_t *cpld;
499
500 cpld = opaque;
501 cpld->reg0 = 0x01;
502 cpld->reg1 = 0x80;
503}
504
5f072e1f 505static void taihu_cpld_init(MemoryRegion *sysmem, uint32_t base)
1a6c0886
JM
506{
507 taihu_cpld_t *cpld;
a682fd5c 508 MemoryRegion *cpld_memory = g_new(MemoryRegion, 1);
1a6c0886 509
7267c094 510 cpld = g_malloc0(sizeof(taihu_cpld_t));
2c9b15ca 511 memory_region_init_io(cpld_memory, NULL, &taihu_cpld_ops, cpld, "cpld", 0x100);
a682fd5c 512 memory_region_add_subregion(sysmem, base, cpld_memory);
a08d4367 513 qemu_register_reset(&taihu_cpld_reset, cpld);
1a6c0886
JM
514}
515
3ef96221 516static void taihu_405ep_init(MachineState *machine)
1a6c0886 517{
3ef96221
MA
518 ram_addr_t ram_size = machine->ram_size;
519 const char *kernel_filename = machine->kernel_filename;
520 const char *initrd_filename = machine->initrd_filename;
5cea8590 521 char *filename;
1a6c0886 522 qemu_irq *pic;
a682fd5c 523 MemoryRegion *sysmem = get_system_memory();
cfe5f011 524 MemoryRegion *bios;
b6dcbe08 525 MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories));
e206ad48 526 MemoryRegion *ram = g_malloc0(sizeof(*ram));
a8170e5e 527 hwaddr ram_bases[2], ram_sizes[2];
093209cd
BS
528 long bios_size;
529 target_ulong kernel_base, initrd_base;
530 long kernel_size, initrd_size;
1a6c0886
JM
531 int linux_boot;
532 int fl_idx, fl_sectors;
751c6a17 533 DriveInfo *dinfo;
3b46e624 534
1a6c0886 535 /* RAM is soldered to the board so the size cannot be changed */
e206ad48
HT
536 ram_size = 0x08000000;
537 memory_region_allocate_system_memory(ram, NULL, "taihu_405ep.ram",
538 ram_size);
539
b6dcbe08 540 ram_bases[0] = 0;
1a6c0886 541 ram_sizes[0] = 0x04000000;
e206ad48
HT
542 memory_region_init_alias(&ram_memories[0], NULL,
543 "taihu_405ep.ram-0", ram, ram_bases[0],
544 ram_sizes[0]);
b6dcbe08 545 ram_bases[1] = 0x04000000;
1a6c0886 546 ram_sizes[1] = 0x04000000;
e206ad48
HT
547 memory_region_init_alias(&ram_memories[1], NULL,
548 "taihu_405ep.ram-1", ram, ram_bases[1],
549 ram_sizes[1]);
1a6c0886
JM
550#ifdef DEBUG_BOARD_INIT
551 printf("%s: register cpu\n", __func__);
552#endif
a682fd5c 553 ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
52ce55a1 554 33333333, &pic, kernel_filename == NULL ? 0 : 1);
1a6c0886
JM
555 /* allocate and load BIOS */
556#ifdef DEBUG_BOARD_INIT
557 printf("%s: register BIOS\n", __func__);
558#endif
559 fl_idx = 0;
560#if defined(USE_FLASH_BIOS)
751c6a17
GH
561 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
562 if (dinfo) {
4be74634 563 BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
fa1d36df 564
4be74634 565 bios_size = blk_getlength(blk);
1a6c0886
JM
566 /* XXX: should check that size is 2MB */
567 // bios_size = 2 * 1024 * 1024;
568 fl_sectors = (bios_size + 65535) >> 16;
569#ifdef DEBUG_BOARD_INIT
093209cd 570 printf("Register parallel flash %d size %lx"
cfe5f011
AK
571 " at addr %lx '%s' %d\n",
572 fl_idx, bios_size, -bios_size,
4be74634 573 blk_name(blk), fl_sectors);
1a6c0886 574#endif
cfe5f011
AK
575 pflash_cfi02_register((uint32_t)(-bios_size),
576 NULL, "taihu_405ep.bios", bios_size,
4be74634 577 blk, 65536, fl_sectors, 1,
01e0451a
AL
578 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
579 1);
1a6c0886
JM
580 fl_idx++;
581 } else
582#endif
583 {
584#ifdef DEBUG_BOARD_INIT
585 printf("Load BIOS from file\n");
586#endif
1192dad8
JM
587 if (bios_name == NULL)
588 bios_name = BIOS_FILENAME;
cfe5f011 589 bios = g_new(MemoryRegion, 1);
49946538 590 memory_region_init_ram(bios, NULL, "taihu_405ep.bios", BIOS_SIZE,
f8ed85ac 591 &error_fatal);
e206ad48 592 vmstate_register_ram_global(bios);
5cea8590
PB
593 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
594 if (filename) {
cfe5f011 595 bios_size = load_image(filename, memory_region_get_ram_ptr(bios));
7267c094 596 g_free(filename);
ad9990ac
AF
597 if (bios_size < 0 || bios_size > BIOS_SIZE) {
598 error_report("Could not load PowerPC BIOS '%s'", bios_name);
599 exit(1);
600 }
601 bios_size = (bios_size + 0xfff) & ~0xfff;
602 memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios);
603 } else if (!qtest_enabled()) {
604 error_report("Could not load PowerPC BIOS '%s'", bios_name);
1a6c0886
JM
605 exit(1);
606 }
cfe5f011 607 memory_region_set_readonly(bios, true);
1a6c0886 608 }
1a6c0886 609 /* Register Linux flash */
751c6a17
GH
610 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
611 if (dinfo) {
4be74634 612 BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
fa1d36df 613
4be74634 614 bios_size = blk_getlength(blk);
1a6c0886
JM
615 /* XXX: should check that size is 32MB */
616 bios_size = 32 * 1024 * 1024;
617 fl_sectors = (bios_size + 65535) >> 16;
618#ifdef DEBUG_BOARD_INIT
093209cd 619 printf("Register parallel flash %d size %lx"
cfe5f011
AK
620 " at addr " TARGET_FMT_lx " '%s'\n",
621 fl_idx, bios_size, (target_ulong)0xfc000000,
4be74634 622 blk_name(blk));
1a6c0886 623#endif
cfe5f011 624 pflash_cfi02_register(0xfc000000, NULL, "taihu_405ep.flash", bios_size,
4be74634 625 blk, 65536, fl_sectors, 1,
01e0451a
AL
626 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
627 1);
1a6c0886
JM
628 fl_idx++;
629 }
630 /* Register CLPD & LCD display */
631#ifdef DEBUG_BOARD_INIT
632 printf("%s: register CPLD\n", __func__);
633#endif
a682fd5c 634 taihu_cpld_init(sysmem, 0x50100000);
1a6c0886
JM
635 /* Load kernel */
636 linux_boot = (kernel_filename != NULL);
637 if (linux_boot) {
638#ifdef DEBUG_BOARD_INIT
639 printf("%s: load kernel\n", __func__);
640#endif
641 kernel_base = KERNEL_LOAD_ADDR;
642 /* now we can load the kernel */
5c130f65
PB
643 kernel_size = load_image_targphys(kernel_filename, kernel_base,
644 ram_size - kernel_base);
1a6c0886 645 if (kernel_size < 0) {
5fafdf24 646 fprintf(stderr, "qemu: could not load kernel '%s'\n",
1a6c0886
JM
647 kernel_filename);
648 exit(1);
649 }
650 /* load initrd */
651 if (initrd_filename) {
652 initrd_base = INITRD_LOAD_ADDR;
5c130f65
PB
653 initrd_size = load_image_targphys(initrd_filename, initrd_base,
654 ram_size - initrd_base);
1a6c0886
JM
655 if (initrd_size < 0) {
656 fprintf(stderr,
5fafdf24 657 "qemu: could not load initial ram disk '%s'\n",
1a6c0886
JM
658 initrd_filename);
659 exit(1);
660 }
661 } else {
662 initrd_base = 0;
663 initrd_size = 0;
664 }
1a6c0886
JM
665 } else {
666 kernel_base = 0;
667 kernel_size = 0;
668 initrd_base = 0;
669 initrd_size = 0;
670 }
671#ifdef DEBUG_BOARD_INIT
672 printf("%s: Done\n", __func__);
673#endif
674}
675
8a661aea 676static void taihu_class_init(ObjectClass *oc, void *data)
f80f9ec9 677{
8a661aea
AF
678 MachineClass *mc = MACHINE_CLASS(oc);
679
e264d29d
EH
680 mc->desc = "taihu";
681 mc->init = taihu_405ep_init;
f80f9ec9
AL
682}
683
8a661aea
AF
684static const TypeInfo taihu_type = {
685 .name = MACHINE_TYPE_NAME("taihu"),
686 .parent = TYPE_MACHINE,
687 .class_init = taihu_class_init,
688};
689
690static void ppc405_machine_init(void)
691{
692 type_register_static(&ref405ep_type);
693 type_register_static(&taihu_type);
694}
695
696machine_init(ppc405_machine_init)