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
36 #define BIOS_FILENAME "ppc405_rom.bin"
38 #define BIOS_SIZE (2048 * 1024)
40 #define KERNEL_LOAD_ADDR 0x00000000
41 #define INITRD_LOAD_ADDR 0x01800000
43 #define USE_FLASH_BIOS
45 #define DEBUG_BOARD_INIT
47 /*****************************************************************************/
48 /* PPC405EP reference board (IBM) */
49 /* Standalone board with:
51 * - SDRAM (0x00000000)
52 * - Flash (0xFFF80000)
54 * - NVRAM (0xF0000000)
57 typedef struct ref405ep_fpga_t ref405ep_fpga_t;
58 struct ref405ep_fpga_t {
64 static uint32_t ref405ep_fpga_readb (void *opaque, target_phys_addr_t addr)
66 ref405ep_fpga_t *fpga;
86 static void ref405ep_fpga_writeb (void *opaque,
87 target_phys_addr_t addr, uint32_t value)
89 ref405ep_fpga_t *fpga;
105 static uint32_t ref405ep_fpga_readw (void *opaque, target_phys_addr_t addr)
109 ret = ref405ep_fpga_readb(opaque, addr) << 8;
110 ret |= ref405ep_fpga_readb(opaque, addr + 1);
115 static void ref405ep_fpga_writew (void *opaque,
116 target_phys_addr_t addr, uint32_t value)
118 ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF);
119 ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF);
122 static uint32_t ref405ep_fpga_readl (void *opaque, target_phys_addr_t addr)
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);
134 static void ref405ep_fpga_writel (void *opaque,
135 target_phys_addr_t addr, uint32_t value)
137 ref405ep_fpga_writel(opaque, addr, (value >> 24) & 0xFF);
138 ref405ep_fpga_writel(opaque, addr + 1, (value >> 16) & 0xFF);
139 ref405ep_fpga_writel(opaque, addr + 2, (value >> 8) & 0xFF);
140 ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF);
143 static CPUReadMemoryFunc *ref405ep_fpga_read[] = {
144 &ref405ep_fpga_readb,
145 &ref405ep_fpga_readw,
146 &ref405ep_fpga_readl,
149 static CPUWriteMemoryFunc *ref405ep_fpga_write[] = {
150 &ref405ep_fpga_writeb,
151 &ref405ep_fpga_writew,
152 &ref405ep_fpga_writel,
155 static void ref405ep_fpga_reset (void *opaque)
157 ref405ep_fpga_t *fpga;
164 static void ref405ep_fpga_init (uint32_t base)
166 ref405ep_fpga_t *fpga;
169 fpga = qemu_mallocz(sizeof(ref405ep_fpga_t));
172 fpga_memory = cpu_register_io_memory(0, ref405ep_fpga_read,
173 ref405ep_fpga_write, fpga);
174 cpu_register_physical_memory(base, 0x00000100, fpga_memory);
175 ref405ep_fpga_reset(fpga);
176 qemu_register_reset(&ref405ep_fpga_reset, fpga);
180 static void ref405ep_init (int ram_size, int vga_ram_size,
181 const char *boot_device, DisplayState *ds,
182 const char *kernel_filename,
183 const char *kernel_cmdline,
184 const char *initrd_filename,
185 const char *cpu_model)
191 ram_addr_t sram_offset, bios_offset, bdloc;
192 target_phys_addr_t ram_bases[2], ram_sizes[2];
193 target_ulong sram_size, bios_size;
195 //static int phy_addr = 1;
196 target_ulong kernel_base, kernel_size, initrd_base, initrd_size;
198 int fl_idx, fl_sectors, len;
199 int ppc_boot_device = boot_device[0];
202 ram_bases[0] = 0x00000000;
203 ram_sizes[0] = 0x08000000;
204 ram_bases[1] = 0x00000000;
205 ram_sizes[1] = 0x00000000;
206 ram_size = 128 * 1024 * 1024;
207 #ifdef DEBUG_BOARD_INIT
208 printf("%s: register cpu\n", __func__);
210 env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic, &sram_offset,
211 kernel_filename == NULL ? 0 : 1);
213 #ifdef DEBUG_BOARD_INIT
214 printf("%s: register SRAM at offset %08lx\n", __func__, sram_offset);
216 sram_size = 512 * 1024;
217 cpu_register_physical_memory(0xFFF00000, sram_size,
218 sram_offset | IO_MEM_RAM);
219 /* allocate and load BIOS */
220 #ifdef DEBUG_BOARD_INIT
221 printf("%s: register BIOS\n", __func__);
223 bios_offset = sram_offset + sram_size;
225 #ifdef USE_FLASH_BIOS
226 if (pflash_table[fl_idx] != NULL) {
227 bios_size = bdrv_getlength(pflash_table[fl_idx]);
228 fl_sectors = (bios_size + 65535) >> 16;
229 #ifdef DEBUG_BOARD_INIT
230 printf("Register parallel flash %d size " ADDRX " at offset %08lx "
231 " addr " ADDRX " '%s' %d\n",
232 fl_idx, bios_size, bios_offset, -bios_size,
233 bdrv_get_device_name(pflash_table[fl_idx]), fl_sectors);
235 pflash_register((uint32_t)(-bios_size), bios_offset,
236 pflash_table[fl_idx], 65536, fl_sectors, 2,
237 0x0001, 0x22DA, 0x0000, 0x0000);
242 #ifdef DEBUG_BOARD_INIT
243 printf("Load BIOS from file\n");
245 if (bios_name == NULL)
246 bios_name = BIOS_FILENAME;
247 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
248 bios_size = load_image(buf, phys_ram_base + bios_offset);
249 if (bios_size < 0 || bios_size > BIOS_SIZE) {
250 fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", buf);
253 bios_size = (bios_size + 0xfff) & ~0xfff;
254 cpu_register_physical_memory((uint32_t)(-bios_size),
255 bios_size, bios_offset | IO_MEM_ROM);
257 bios_offset += bios_size;
259 #ifdef DEBUG_BOARD_INIT
260 printf("%s: register FPGA\n", __func__);
262 ref405ep_fpga_init(0xF0300000);
264 #ifdef DEBUG_BOARD_INIT
265 printf("%s: register NVRAM\n", __func__);
267 m48t59_init(NULL, 0xF0000000, 0, 8192, 8);
269 linux_boot = (kernel_filename != NULL);
271 #ifdef DEBUG_BOARD_INIT
272 printf("%s: load kernel\n", __func__);
274 memset(&bd, 0, sizeof(bd));
275 bd.bi_memstart = 0x00000000;
276 bd.bi_memsize = ram_size;
277 bd.bi_flashstart = -bios_size;
278 bd.bi_flashsize = -bios_size;
279 bd.bi_flashoffset = 0;
280 bd.bi_sramstart = 0xFFF00000;
281 bd.bi_sramsize = sram_size;
283 bd.bi_intfreq = 133333333;
284 bd.bi_busfreq = 33333333;
285 bd.bi_baudrate = 115200;
286 bd.bi_s_version[0] = 'Q';
287 bd.bi_s_version[1] = 'M';
288 bd.bi_s_version[2] = 'U';
289 bd.bi_s_version[3] = '\0';
290 bd.bi_r_version[0] = 'Q';
291 bd.bi_r_version[1] = 'E';
292 bd.bi_r_version[2] = 'M';
293 bd.bi_r_version[3] = 'U';
294 bd.bi_r_version[4] = '\0';
295 bd.bi_procfreq = 133333333;
296 bd.bi_plb_busfreq = 33333333;
297 bd.bi_pci_busfreq = 33333333;
298 bd.bi_opbfreq = 33333333;
299 bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
301 kernel_base = KERNEL_LOAD_ADDR;
302 /* now we can load the kernel */
303 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
304 if (kernel_size < 0) {
305 fprintf(stderr, "qemu: could not load kernel '%s'\n",
309 printf("Load kernel size " TARGET_FMT_ld " at " TARGET_FMT_lx
310 " %02x %02x %02x %02x\n", kernel_size, kernel_base,
311 *(char *)(phys_ram_base + kernel_base),
312 *(char *)(phys_ram_base + kernel_base + 1),
313 *(char *)(phys_ram_base + kernel_base + 2),
314 *(char *)(phys_ram_base + kernel_base + 3));
316 if (initrd_filename) {
317 initrd_base = INITRD_LOAD_ADDR;
318 initrd_size = load_image(initrd_filename,
319 phys_ram_base + initrd_base);
320 if (initrd_size < 0) {
321 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
329 env->gpr[4] = initrd_base;
330 env->gpr[5] = initrd_size;
331 ppc_boot_device = 'm';
332 if (kernel_cmdline != NULL) {
333 len = strlen(kernel_cmdline);
334 bdloc -= ((len + 255) & ~255);
335 memcpy(phys_ram_base + bdloc, kernel_cmdline, len + 1);
337 env->gpr[7] = bdloc + len;
342 env->nip = KERNEL_LOAD_ADDR;
350 #ifdef DEBUG_BOARD_INIT
351 printf("%s: Done\n", __func__);
353 printf("bdloc %016lx %s\n",
354 (unsigned long)bdloc, (char *)(phys_ram_base + bdloc));
357 QEMUMachine ref405ep_machine = {
363 /*****************************************************************************/
364 /* AMCC Taihu evaluation board */
365 /* - PowerPC 405EP processor
366 * - SDRAM 128 MB at 0x00000000
367 * - Boot flash 2 MB at 0xFFE00000
368 * - Application flash 32 MB at 0xFC000000
371 * - 1 USB 1.1 device 0x50000000
372 * - 1 LCD display 0x50100000
373 * - 1 CPLD 0x50100000
375 * - 1 I2C thermal sensor
377 * - bit-bang SPI port using GPIOs
378 * - 1 EBC interface connector 0 0x50200000
379 * - 1 cardbus controller + expansion slot.
380 * - 1 PCI expansion slot.
382 typedef struct taihu_cpld_t taihu_cpld_t;
383 struct taihu_cpld_t {
389 static uint32_t taihu_cpld_readb (void *opaque, target_phys_addr_t addr)
411 static void taihu_cpld_writeb (void *opaque,
412 target_phys_addr_t addr, uint32_t value)
430 static uint32_t taihu_cpld_readw (void *opaque, target_phys_addr_t addr)
434 ret = taihu_cpld_readb(opaque, addr) << 8;
435 ret |= taihu_cpld_readb(opaque, addr + 1);
440 static void taihu_cpld_writew (void *opaque,
441 target_phys_addr_t addr, uint32_t value)
443 taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF);
444 taihu_cpld_writeb(opaque, addr + 1, value & 0xFF);
447 static uint32_t taihu_cpld_readl (void *opaque, target_phys_addr_t addr)
451 ret = taihu_cpld_readb(opaque, addr) << 24;
452 ret |= taihu_cpld_readb(opaque, addr + 1) << 16;
453 ret |= taihu_cpld_readb(opaque, addr + 2) << 8;
454 ret |= taihu_cpld_readb(opaque, addr + 3);
459 static void taihu_cpld_writel (void *opaque,
460 target_phys_addr_t addr, uint32_t value)
462 taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF);
463 taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF);
464 taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF);
465 taihu_cpld_writeb(opaque, addr + 3, value & 0xFF);
468 static CPUReadMemoryFunc *taihu_cpld_read[] = {
474 static CPUWriteMemoryFunc *taihu_cpld_write[] = {
480 static void taihu_cpld_reset (void *opaque)
489 static void taihu_cpld_init (uint32_t base)
494 cpld = qemu_mallocz(sizeof(taihu_cpld_t));
497 cpld_memory = cpu_register_io_memory(0, taihu_cpld_read,
498 taihu_cpld_write, cpld);
499 cpu_register_physical_memory(base, 0x00000100, cpld_memory);
500 taihu_cpld_reset(cpld);
501 qemu_register_reset(&taihu_cpld_reset, cpld);
505 static void taihu_405ep_init(int ram_size, int vga_ram_size,
506 const char *boot_device, DisplayState *ds,
507 const char *kernel_filename,
508 const char *kernel_cmdline,
509 const char *initrd_filename,
510 const char *cpu_model)
515 ram_addr_t bios_offset;
516 target_phys_addr_t ram_bases[2], ram_sizes[2];
517 target_ulong bios_size;
518 target_ulong kernel_base, kernel_size, initrd_base, initrd_size;
520 int fl_idx, fl_sectors;
521 int ppc_boot_device = boot_device[0];
523 /* RAM is soldered to the board so the size cannot be changed */
524 ram_bases[0] = 0x00000000;
525 ram_sizes[0] = 0x04000000;
526 ram_bases[1] = 0x04000000;
527 ram_sizes[1] = 0x04000000;
528 #ifdef DEBUG_BOARD_INIT
529 printf("%s: register cpu\n", __func__);
531 env = ppc405ep_init(ram_bases, ram_sizes, 33333333, &pic, &bios_offset,
532 kernel_filename == NULL ? 0 : 1);
533 /* allocate and load BIOS */
534 #ifdef DEBUG_BOARD_INIT
535 printf("%s: register BIOS\n", __func__);
538 #if defined(USE_FLASH_BIOS)
539 if (pflash_table[fl_idx] != NULL) {
540 bios_size = bdrv_getlength(pflash_table[fl_idx]);
541 /* XXX: should check that size is 2MB */
542 // bios_size = 2 * 1024 * 1024;
543 fl_sectors = (bios_size + 65535) >> 16;
544 #ifdef DEBUG_BOARD_INIT
545 printf("Register parallel flash %d size " ADDRX " at offset %08lx "
546 " addr " ADDRX " '%s' %d\n",
547 fl_idx, bios_size, bios_offset, -bios_size,
548 bdrv_get_device_name(pflash_table[fl_idx]), fl_sectors);
550 pflash_register((uint32_t)(-bios_size), bios_offset,
551 pflash_table[fl_idx], 65536, fl_sectors, 4,
552 0x0001, 0x22DA, 0x0000, 0x0000);
557 #ifdef DEBUG_BOARD_INIT
558 printf("Load BIOS from file\n");
560 if (bios_name == NULL)
561 bios_name = BIOS_FILENAME;
562 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
563 bios_size = load_image(buf, phys_ram_base + bios_offset);
564 if (bios_size < 0 || bios_size > BIOS_SIZE) {
565 fprintf(stderr, "qemu: could not load PowerPC bios '%s'\n", buf);
568 bios_size = (bios_size + 0xfff) & ~0xfff;
569 cpu_register_physical_memory((uint32_t)(-bios_size),
570 bios_size, bios_offset | IO_MEM_ROM);
572 bios_offset += bios_size;
573 /* Register Linux flash */
574 if (pflash_table[fl_idx] != NULL) {
575 bios_size = bdrv_getlength(pflash_table[fl_idx]);
576 /* XXX: should check that size is 32MB */
577 bios_size = 32 * 1024 * 1024;
578 fl_sectors = (bios_size + 65535) >> 16;
579 #ifdef DEBUG_BOARD_INIT
580 printf("Register parallel flash %d size " ADDRX " at offset %08lx "
581 " addr " ADDRX " '%s'\n",
582 fl_idx, bios_size, bios_offset, (target_ulong)0xfc000000,
583 bdrv_get_device_name(pflash_table[fl_idx]));
585 pflash_register(0xfc000000, bios_offset, pflash_table[fl_idx],
586 65536, fl_sectors, 4,
587 0x0001, 0x22DA, 0x0000, 0x0000);
590 /* Register CLPD & LCD display */
591 #ifdef DEBUG_BOARD_INIT
592 printf("%s: register CPLD\n", __func__);
594 taihu_cpld_init(0x50100000);
596 linux_boot = (kernel_filename != NULL);
598 #ifdef DEBUG_BOARD_INIT
599 printf("%s: load kernel\n", __func__);
601 kernel_base = KERNEL_LOAD_ADDR;
602 /* now we can load the kernel */
603 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
604 if (kernel_size < 0) {
605 fprintf(stderr, "qemu: could not load kernel '%s'\n",
610 if (initrd_filename) {
611 initrd_base = INITRD_LOAD_ADDR;
612 initrd_size = load_image(initrd_filename,
613 phys_ram_base + initrd_base);
614 if (initrd_size < 0) {
616 "qemu: could not load initial ram disk '%s'\n",
624 ppc_boot_device = 'm';
631 #ifdef DEBUG_BOARD_INIT
632 printf("%s: Done\n", __func__);
636 QEMUMachine taihu_machine = {