2 * QEMU PowerPC 405 evaluation boards emulation
4 * Copyright (c) 2007 Jocelyn Mayer
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
35 #define BIOS_FILENAME "ppc405_rom.bin"
36 #define BIOS_SIZE (2048 * 1024)
38 #define KERNEL_LOAD_ADDR 0x00000000
39 #define INITRD_LOAD_ADDR 0x01800000
41 #define USE_FLASH_BIOS
43 #define DEBUG_BOARD_INIT
45 /*****************************************************************************/
46 /* PPC405EP reference board (IBM) */
47 /* Standalone board with:
49 * - SDRAM (0x00000000)
50 * - Flash (0xFFF80000)
52 * - NVRAM (0xF0000000)
55 typedef struct ref405ep_fpga_t ref405ep_fpga_t
;
56 struct ref405ep_fpga_t
{
61 static uint32_t ref405ep_fpga_readb (void *opaque
, target_phys_addr_t addr
)
63 ref405ep_fpga_t
*fpga
;
82 static void ref405ep_fpga_writeb (void *opaque
,
83 target_phys_addr_t addr
, uint32_t value
)
85 ref405ep_fpga_t
*fpga
;
100 static uint32_t ref405ep_fpga_readw (void *opaque
, target_phys_addr_t addr
)
104 ret
= ref405ep_fpga_readb(opaque
, addr
) << 8;
105 ret
|= ref405ep_fpga_readb(opaque
, addr
+ 1);
110 static void ref405ep_fpga_writew (void *opaque
,
111 target_phys_addr_t addr
, uint32_t value
)
113 ref405ep_fpga_writeb(opaque
, addr
, (value
>> 8) & 0xFF);
114 ref405ep_fpga_writeb(opaque
, addr
+ 1, value
& 0xFF);
117 static uint32_t ref405ep_fpga_readl (void *opaque
, target_phys_addr_t addr
)
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);
129 static void ref405ep_fpga_writel (void *opaque
,
130 target_phys_addr_t addr
, uint32_t value
)
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);
135 ref405ep_fpga_writeb(opaque
, addr
+ 3, value
& 0xFF);
138 static CPUReadMemoryFunc
* const ref405ep_fpga_read
[] = {
139 &ref405ep_fpga_readb
,
140 &ref405ep_fpga_readw
,
141 &ref405ep_fpga_readl
,
144 static CPUWriteMemoryFunc
* const ref405ep_fpga_write
[] = {
145 &ref405ep_fpga_writeb
,
146 &ref405ep_fpga_writew
,
147 &ref405ep_fpga_writel
,
150 static void ref405ep_fpga_reset (void *opaque
)
152 ref405ep_fpga_t
*fpga
;
159 static void ref405ep_fpga_init (uint32_t base
)
161 ref405ep_fpga_t
*fpga
;
164 fpga
= qemu_mallocz(sizeof(ref405ep_fpga_t
));
165 fpga_memory
= cpu_register_io_memory(ref405ep_fpga_read
,
166 ref405ep_fpga_write
, fpga
);
167 cpu_register_physical_memory(base
, 0x00000100, fpga_memory
);
168 ref405ep_fpga_reset(fpga
);
169 qemu_register_reset(&ref405ep_fpga_reset
, fpga
);
172 static void ref405ep_init (ram_addr_t ram_size
,
173 const char *boot_device
,
174 const char *kernel_filename
,
175 const char *kernel_cmdline
,
176 const char *initrd_filename
,
177 const char *cpu_model
)
183 ram_addr_t sram_offset
, bios_offset
, bdloc
;
184 target_phys_addr_t ram_bases
[2], ram_sizes
[2];
185 target_ulong sram_size
, bios_size
;
187 //static int phy_addr = 1;
188 target_ulong kernel_base
, kernel_size
, initrd_base
, initrd_size
;
190 int fl_idx
, fl_sectors
, len
;
191 int ppc_boot_device
= boot_device
[0];
195 ram_bases
[0] = qemu_ram_alloc(0x08000000);
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__
);
203 env
= ppc405ep_init(ram_bases
, ram_sizes
, 33333333, &pic
,
204 kernel_filename
== NULL
? 0 : 1);
206 sram_size
= 512 * 1024;
207 sram_offset
= qemu_ram_alloc(sram_size
);
208 #ifdef DEBUG_BOARD_INIT
209 printf("%s: register SRAM at offset %08lx\n", __func__
, sram_offset
);
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__
);
218 #ifdef USE_FLASH_BIOS
219 dinfo
= drive_get(IF_PFLASH
, 0, fl_idx
);
221 bios_size
= bdrv_getlength(dinfo
->bdrv
);
222 bios_offset
= qemu_ram_alloc(bios_size
);
223 fl_sectors
= (bios_size
+ 65535) >> 16;
224 #ifdef DEBUG_BOARD_INIT
225 printf("Register parallel flash %d size " TARGET_FMT_lx
226 " at offset %08lx addr " TARGET_FMT_lx
" '%s' %d\n",
227 fl_idx
, bios_size
, bios_offset
, -bios_size
,
228 bdrv_get_device_name(dinfo
->bdrv
), fl_sectors
);
230 pflash_cfi02_register((uint32_t)(-bios_size
), bios_offset
,
231 dinfo
->bdrv
, 65536, fl_sectors
, 1,
232 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
237 #ifdef DEBUG_BOARD_INIT
238 printf("Load BIOS from file\n");
240 bios_offset
= qemu_ram_alloc(BIOS_SIZE
);
241 if (bios_name
== NULL
)
242 bios_name
= BIOS_FILENAME
;
243 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
245 bios_size
= load_image(filename
, qemu_get_ram_ptr(bios_offset
));
250 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
251 fprintf(stderr
, "qemu: could not load PowerPC bios '%s'\n",
255 bios_size
= (bios_size
+ 0xfff) & ~0xfff;
256 cpu_register_physical_memory((uint32_t)(-bios_size
),
257 bios_size
, bios_offset
| IO_MEM_ROM
);
260 #ifdef DEBUG_BOARD_INIT
261 printf("%s: register FPGA\n", __func__
);
263 ref405ep_fpga_init(0xF0300000);
265 #ifdef DEBUG_BOARD_INIT
266 printf("%s: register NVRAM\n", __func__
);
268 m48t59_init(NULL
, 0xF0000000, 0, 8192, 8);
270 linux_boot
= (kernel_filename
!= NULL
);
272 #ifdef DEBUG_BOARD_INIT
273 printf("%s: load kernel\n", __func__
);
275 memset(&bd
, 0, sizeof(bd
));
276 bd
.bi_memstart
= 0x00000000;
277 bd
.bi_memsize
= ram_size
;
278 bd
.bi_flashstart
= -bios_size
;
279 bd
.bi_flashsize
= -bios_size
;
280 bd
.bi_flashoffset
= 0;
281 bd
.bi_sramstart
= 0xFFF00000;
282 bd
.bi_sramsize
= sram_size
;
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;
300 bdloc
= ppc405_set_bootinfo(env
, &bd
, 0x00000001);
302 kernel_base
= KERNEL_LOAD_ADDR
;
303 /* now we can load the kernel */
304 kernel_size
= load_image_targphys(kernel_filename
, kernel_base
,
305 ram_size
- kernel_base
);
306 if (kernel_size
< 0) {
307 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
311 printf("Load kernel size " TARGET_FMT_ld
" at " TARGET_FMT_lx
,
312 kernel_size
, kernel_base
);
314 if (initrd_filename
) {
315 initrd_base
= INITRD_LOAD_ADDR
;
316 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
317 ram_size
- initrd_base
);
318 if (initrd_size
< 0) {
319 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
327 env
->gpr
[4] = initrd_base
;
328 env
->gpr
[5] = initrd_size
;
329 ppc_boot_device
= 'm';
330 if (kernel_cmdline
!= NULL
) {
331 len
= strlen(kernel_cmdline
);
332 bdloc
-= ((len
+ 255) & ~255);
333 cpu_physical_memory_write(bdloc
, (void *)kernel_cmdline
, len
+ 1);
335 env
->gpr
[7] = bdloc
+ len
;
340 env
->nip
= KERNEL_LOAD_ADDR
;
348 #ifdef DEBUG_BOARD_INIT
349 printf("%s: Done\n", __func__
);
351 printf("bdloc %016lx\n", (unsigned long)bdloc
);
354 static QEMUMachine ref405ep_machine
= {
357 .init
= ref405ep_init
,
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
368 * - 1 USB 1.1 device 0x50000000
369 * - 1 LCD display 0x50100000
370 * - 1 CPLD 0x50100000
372 * - 1 I2C thermal sensor
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.
379 typedef struct taihu_cpld_t taihu_cpld_t
;
380 struct taihu_cpld_t
{
385 static uint32_t taihu_cpld_readb (void *opaque
, target_phys_addr_t addr
)
406 static void taihu_cpld_writeb (void *opaque
,
407 target_phys_addr_t addr
, uint32_t value
)
424 static uint32_t taihu_cpld_readw (void *opaque
, target_phys_addr_t addr
)
428 ret
= taihu_cpld_readb(opaque
, addr
) << 8;
429 ret
|= taihu_cpld_readb(opaque
, addr
+ 1);
434 static void taihu_cpld_writew (void *opaque
,
435 target_phys_addr_t addr
, uint32_t value
)
437 taihu_cpld_writeb(opaque
, addr
, (value
>> 8) & 0xFF);
438 taihu_cpld_writeb(opaque
, addr
+ 1, value
& 0xFF);
441 static uint32_t taihu_cpld_readl (void *opaque
, target_phys_addr_t addr
)
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);
453 static void taihu_cpld_writel (void *opaque
,
454 target_phys_addr_t addr
, uint32_t value
)
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);
462 static CPUReadMemoryFunc
* const taihu_cpld_read
[] = {
468 static CPUWriteMemoryFunc
* const taihu_cpld_write
[] = {
474 static void taihu_cpld_reset (void *opaque
)
483 static void taihu_cpld_init (uint32_t base
)
488 cpld
= qemu_mallocz(sizeof(taihu_cpld_t
));
489 cpld_memory
= cpu_register_io_memory(taihu_cpld_read
,
490 taihu_cpld_write
, cpld
);
491 cpu_register_physical_memory(base
, 0x00000100, cpld_memory
);
492 taihu_cpld_reset(cpld
);
493 qemu_register_reset(&taihu_cpld_reset
, cpld
);
496 static void taihu_405ep_init(ram_addr_t ram_size
,
497 const char *boot_device
,
498 const char *kernel_filename
,
499 const char *kernel_cmdline
,
500 const char *initrd_filename
,
501 const char *cpu_model
)
506 ram_addr_t bios_offset
;
507 target_phys_addr_t ram_bases
[2], ram_sizes
[2];
508 target_ulong bios_size
;
509 target_ulong kernel_base
, kernel_size
, initrd_base
, initrd_size
;
511 int fl_idx
, fl_sectors
;
512 int ppc_boot_device
= boot_device
[0];
515 /* RAM is soldered to the board so the size cannot be changed */
516 ram_bases
[0] = qemu_ram_alloc(0x04000000);
517 ram_sizes
[0] = 0x04000000;
518 ram_bases
[1] = qemu_ram_alloc(0x04000000);
519 ram_sizes
[1] = 0x04000000;
520 ram_size
= 0x08000000;
521 #ifdef DEBUG_BOARD_INIT
522 printf("%s: register cpu\n", __func__
);
524 env
= ppc405ep_init(ram_bases
, ram_sizes
, 33333333, &pic
,
525 kernel_filename
== NULL
? 0 : 1);
526 /* allocate and load BIOS */
527 #ifdef DEBUG_BOARD_INIT
528 printf("%s: register BIOS\n", __func__
);
531 #if defined(USE_FLASH_BIOS)
532 dinfo
= drive_get(IF_PFLASH
, 0, fl_idx
);
534 bios_size
= bdrv_getlength(dinfo
->bdrv
);
535 /* XXX: should check that size is 2MB */
536 // bios_size = 2 * 1024 * 1024;
537 fl_sectors
= (bios_size
+ 65535) >> 16;
538 bios_offset
= qemu_ram_alloc(bios_size
);
539 #ifdef DEBUG_BOARD_INIT
540 printf("Register parallel flash %d size " TARGET_FMT_lx
541 " at offset %08lx addr " TARGET_FMT_lx
" '%s' %d\n",
542 fl_idx
, bios_size
, bios_offset
, -bios_size
,
543 bdrv_get_device_name(dinfo
->bdrv
), fl_sectors
);
545 pflash_cfi02_register((uint32_t)(-bios_size
), bios_offset
,
546 dinfo
->bdrv
, 65536, fl_sectors
, 1,
547 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
552 #ifdef DEBUG_BOARD_INIT
553 printf("Load BIOS from file\n");
555 if (bios_name
== NULL
)
556 bios_name
= BIOS_FILENAME
;
557 bios_offset
= qemu_ram_alloc(BIOS_SIZE
);
558 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
560 bios_size
= load_image(filename
, qemu_get_ram_ptr(bios_offset
));
564 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
565 fprintf(stderr
, "qemu: could not load PowerPC bios '%s'\n",
569 bios_size
= (bios_size
+ 0xfff) & ~0xfff;
570 cpu_register_physical_memory((uint32_t)(-bios_size
),
571 bios_size
, bios_offset
| IO_MEM_ROM
);
573 /* Register Linux flash */
574 dinfo
= drive_get(IF_PFLASH
, 0, fl_idx
);
576 bios_size
= bdrv_getlength(dinfo
->bdrv
);
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
581 printf("Register parallel flash %d size " TARGET_FMT_lx
582 " at offset %08lx addr " TARGET_FMT_lx
" '%s'\n",
583 fl_idx
, bios_size
, bios_offset
, (target_ulong
)0xfc000000,
584 bdrv_get_device_name(dinfo
->bdrv
));
586 bios_offset
= qemu_ram_alloc(bios_size
);
587 pflash_cfi02_register(0xfc000000, bios_offset
,
588 dinfo
->bdrv
, 65536, fl_sectors
, 1,
589 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA);
592 /* Register CLPD & LCD display */
593 #ifdef DEBUG_BOARD_INIT
594 printf("%s: register CPLD\n", __func__
);
596 taihu_cpld_init(0x50100000);
598 linux_boot
= (kernel_filename
!= NULL
);
600 #ifdef DEBUG_BOARD_INIT
601 printf("%s: load kernel\n", __func__
);
603 kernel_base
= KERNEL_LOAD_ADDR
;
604 /* now we can load the kernel */
605 kernel_size
= load_image_targphys(kernel_filename
, kernel_base
,
606 ram_size
- kernel_base
);
607 if (kernel_size
< 0) {
608 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
613 if (initrd_filename
) {
614 initrd_base
= INITRD_LOAD_ADDR
;
615 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
616 ram_size
- initrd_base
);
617 if (initrd_size
< 0) {
619 "qemu: could not load initial ram disk '%s'\n",
627 ppc_boot_device
= 'm';
634 #ifdef DEBUG_BOARD_INIT
635 printf("%s: Done\n", __func__
);
639 static QEMUMachine taihu_machine
= {
642 .init
= taihu_405ep_init
,
645 static void ppc405_machine_init(void)
647 qemu_register_machine(&ref405ep_machine
);
648 qemu_register_machine(&taihu_machine
);
651 machine_init(ppc405_machine_init
);