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
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu-common.h"
30 #include "hw/ppc/ppc.h"
32 #include "hw/rtc/m48t59.h"
33 #include "hw/block/flash.h"
34 #include "sysemu/sysemu.h"
35 #include "sysemu/qtest.h"
36 #include "sysemu/reset.h"
37 #include "sysemu/block-backend.h"
38 #include "hw/boards.h"
40 #include "qemu/error-report.h"
41 #include "hw/loader.h"
42 #include "exec/address-spaces.h"
43 #include "qemu/cutils.h"
45 #define BIOS_FILENAME "ppc405_rom.bin"
46 #define BIOS_SIZE (2 * MiB)
48 #define KERNEL_LOAD_ADDR 0x00000000
49 #define INITRD_LOAD_ADDR 0x01800000
51 #define USE_FLASH_BIOS
53 /*****************************************************************************/
54 /* PPC405EP reference board (IBM) */
55 /* Standalone board with:
57 * - SDRAM (0x00000000)
58 * - Flash (0xFFF80000)
60 * - NVRAM (0xF0000000)
63 typedef struct ref405ep_fpga_t ref405ep_fpga_t;
64 struct ref405ep_fpga_t {
69 static uint64_t ref405ep_fpga_readb(void *opaque, hwaddr addr, unsigned size)
71 ref405ep_fpga_t *fpga;
90 static void ref405ep_fpga_writeb(void *opaque, hwaddr addr, uint64_t value,
93 ref405ep_fpga_t *fpga;
108 static const MemoryRegionOps ref405ep_fpga_ops = {
109 .read = ref405ep_fpga_readb,
110 .write = ref405ep_fpga_writeb,
111 .impl.min_access_size = 1,
112 .impl.max_access_size = 1,
113 .valid.min_access_size = 1,
114 .valid.max_access_size = 4,
115 .endianness = DEVICE_BIG_ENDIAN,
118 static void ref405ep_fpga_reset (void *opaque)
120 ref405ep_fpga_t *fpga;
127 static void ref405ep_fpga_init(MemoryRegion *sysmem, uint32_t base)
129 ref405ep_fpga_t *fpga;
130 MemoryRegion *fpga_memory = g_new(MemoryRegion, 1);
132 fpga = g_malloc0(sizeof(ref405ep_fpga_t));
133 memory_region_init_io(fpga_memory, NULL, &ref405ep_fpga_ops, fpga,
135 memory_region_add_subregion(sysmem, base, fpga_memory);
136 qemu_register_reset(&ref405ep_fpga_reset, fpga);
139 static void ref405ep_init(MachineState *machine)
141 MachineClass *mc = MACHINE_GET_CLASS(machine);
142 const char *kernel_filename = machine->kernel_filename;
143 const char *kernel_cmdline = machine->kernel_cmdline;
144 const char *initrd_filename = machine->initrd_filename;
150 MemoryRegion *sram = g_new(MemoryRegion, 1);
152 MemoryRegion *ram_memories = g_new(MemoryRegion, 2);
153 hwaddr ram_bases[2], ram_sizes[2];
154 target_ulong sram_size;
157 //static int phy_addr = 1;
158 target_ulong kernel_base, initrd_base;
159 long kernel_size, initrd_size;
163 MemoryRegion *sysmem = get_system_memory();
165 if (machine->ram_size != mc->default_ram_size) {
166 char *sz = size_to_str(mc->default_ram_size);
167 error_report("Invalid RAM size, should be %s", sz);
173 memory_region_init_alias(&ram_memories[0], NULL, "ef405ep.ram.alias",
174 machine->ram, 0, machine->ram_size);
176 ram_sizes[0] = machine->ram_size;
177 memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0);
178 ram_bases[1] = 0x00000000;
179 ram_sizes[1] = 0x00000000;
180 env = ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
181 33333333, &pic, kernel_filename == NULL ? 0 : 1);
183 sram_size = 512 * KiB;
184 memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size,
186 memory_region_add_subregion(sysmem, 0xFFF00000, sram);
187 /* allocate and load BIOS */
188 #ifdef USE_FLASH_BIOS
189 dinfo = drive_get(IF_PFLASH, 0, 0);
192 pflash_cfi02_register((uint32_t)(-bios_size),
193 "ef405ep.bios", bios_size,
194 blk_by_legacy_dinfo(dinfo),
196 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
201 bios = g_new(MemoryRegion, 1);
202 memory_region_init_rom(bios, NULL, "ef405ep.bios", BIOS_SIZE,
205 if (bios_name == NULL)
206 bios_name = BIOS_FILENAME;
207 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
209 bios_size = load_image_size(filename,
210 memory_region_get_ram_ptr(bios),
214 error_report("Could not load PowerPC BIOS '%s'", bios_name);
217 bios_size = (bios_size + 0xfff) & ~0xfff;
218 memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios);
219 } else if (!qtest_enabled() || kernel_filename != NULL) {
220 error_report("Could not load PowerPC BIOS '%s'", bios_name);
223 /* Avoid an uninitialized variable warning */
228 ref405ep_fpga_init(sysmem, 0xF0300000);
230 m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
232 linux_boot = (kernel_filename != NULL);
234 memset(&bd, 0, sizeof(bd));
235 bd.bi_memstart = 0x00000000;
236 bd.bi_memsize = machine->ram_size;
237 bd.bi_flashstart = -bios_size;
238 bd.bi_flashsize = -bios_size;
239 bd.bi_flashoffset = 0;
240 bd.bi_sramstart = 0xFFF00000;
241 bd.bi_sramsize = sram_size;
243 bd.bi_intfreq = 133333333;
244 bd.bi_busfreq = 33333333;
245 bd.bi_baudrate = 115200;
246 bd.bi_s_version[0] = 'Q';
247 bd.bi_s_version[1] = 'M';
248 bd.bi_s_version[2] = 'U';
249 bd.bi_s_version[3] = '\0';
250 bd.bi_r_version[0] = 'Q';
251 bd.bi_r_version[1] = 'E';
252 bd.bi_r_version[2] = 'M';
253 bd.bi_r_version[3] = 'U';
254 bd.bi_r_version[4] = '\0';
255 bd.bi_procfreq = 133333333;
256 bd.bi_plb_busfreq = 33333333;
257 bd.bi_pci_busfreq = 33333333;
258 bd.bi_opbfreq = 33333333;
259 bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001);
261 kernel_base = KERNEL_LOAD_ADDR;
262 /* now we can load the kernel */
263 kernel_size = load_image_targphys(kernel_filename, kernel_base,
264 machine->ram_size - kernel_base);
265 if (kernel_size < 0) {
266 error_report("could not load kernel '%s'", kernel_filename);
269 printf("Load kernel size %ld at " TARGET_FMT_lx,
270 kernel_size, kernel_base);
272 if (initrd_filename) {
273 initrd_base = INITRD_LOAD_ADDR;
274 initrd_size = load_image_targphys(initrd_filename, initrd_base,
275 machine->ram_size - initrd_base);
276 if (initrd_size < 0) {
277 error_report("could not load initial ram disk '%s'",
285 env->gpr[4] = initrd_base;
286 env->gpr[5] = initrd_size;
287 if (kernel_cmdline != NULL) {
288 len = strlen(kernel_cmdline);
289 bdloc -= ((len + 255) & ~255);
290 cpu_physical_memory_write(bdloc, kernel_cmdline, len + 1);
292 env->gpr[7] = bdloc + len;
297 env->nip = KERNEL_LOAD_ADDR;
307 static void ref405ep_class_init(ObjectClass *oc, void *data)
309 MachineClass *mc = MACHINE_CLASS(oc);
311 mc->desc = "ref405ep";
312 mc->init = ref405ep_init;
313 mc->default_ram_size = 0x08000000;
314 mc->default_ram_id = "ef405ep.ram";
317 static const TypeInfo ref405ep_type = {
318 .name = MACHINE_TYPE_NAME("ref405ep"),
319 .parent = TYPE_MACHINE,
320 .class_init = ref405ep_class_init,
323 /*****************************************************************************/
324 /* AMCC Taihu evaluation board */
325 /* - PowerPC 405EP processor
326 * - SDRAM 128 MB at 0x00000000
327 * - Boot flash 2 MB at 0xFFE00000
328 * - Application flash 32 MB at 0xFC000000
331 * - 1 USB 1.1 device 0x50000000
332 * - 1 LCD display 0x50100000
333 * - 1 CPLD 0x50100000
335 * - 1 I2C thermal sensor
337 * - bit-bang SPI port using GPIOs
338 * - 1 EBC interface connector 0 0x50200000
339 * - 1 cardbus controller + expansion slot.
340 * - 1 PCI expansion slot.
342 typedef struct taihu_cpld_t taihu_cpld_t;
343 struct taihu_cpld_t {
348 static uint64_t taihu_cpld_read(void *opaque, hwaddr addr, unsigned size)
369 static void taihu_cpld_write(void *opaque, hwaddr addr,
370 uint64_t value, unsigned size)
387 static const MemoryRegionOps taihu_cpld_ops = {
388 .read = taihu_cpld_read,
389 .write = taihu_cpld_write,
391 .min_access_size = 1,
392 .max_access_size = 1,
394 .endianness = DEVICE_NATIVE_ENDIAN,
397 static void taihu_cpld_reset (void *opaque)
406 static void taihu_cpld_init(MemoryRegion *sysmem, uint32_t base)
409 MemoryRegion *cpld_memory = g_new(MemoryRegion, 1);
411 cpld = g_malloc0(sizeof(taihu_cpld_t));
412 memory_region_init_io(cpld_memory, NULL, &taihu_cpld_ops, cpld, "cpld", 0x100);
413 memory_region_add_subregion(sysmem, base, cpld_memory);
414 qemu_register_reset(&taihu_cpld_reset, cpld);
417 static void taihu_405ep_init(MachineState *machine)
419 MachineClass *mc = MACHINE_GET_CLASS(machine);
420 const char *kernel_filename = machine->kernel_filename;
421 const char *initrd_filename = machine->initrd_filename;
424 MemoryRegion *sysmem = get_system_memory();
426 MemoryRegion *ram_memories = g_new(MemoryRegion, 2);
427 hwaddr ram_bases[2], ram_sizes[2];
429 target_ulong kernel_base, initrd_base;
430 long kernel_size, initrd_size;
435 if (machine->ram_size != mc->default_ram_size) {
436 char *sz = size_to_str(mc->default_ram_size);
437 error_report("Invalid RAM size, should be %s", sz);
443 ram_sizes[0] = 0x04000000;
444 memory_region_init_alias(&ram_memories[0], NULL,
445 "taihu_405ep.ram-0", machine->ram, ram_bases[0],
447 ram_bases[1] = 0x04000000;
448 ram_sizes[1] = 0x04000000;
449 memory_region_init_alias(&ram_memories[1], NULL,
450 "taihu_405ep.ram-1", machine->ram, ram_bases[1],
452 ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes,
453 33333333, &pic, kernel_filename == NULL ? 0 : 1);
454 /* allocate and load BIOS */
456 #if defined(USE_FLASH_BIOS)
457 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
460 pflash_cfi02_register(0xFFE00000,
461 "taihu_405ep.bios", bios_size,
462 blk_by_legacy_dinfo(dinfo),
464 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
470 if (bios_name == NULL)
471 bios_name = BIOS_FILENAME;
472 bios = g_new(MemoryRegion, 1);
473 memory_region_init_rom(bios, NULL, "taihu_405ep.bios", BIOS_SIZE,
475 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
477 bios_size = load_image_size(filename,
478 memory_region_get_ram_ptr(bios),
482 error_report("Could not load PowerPC BIOS '%s'", bios_name);
485 bios_size = (bios_size + 0xfff) & ~0xfff;
486 memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios);
487 } else if (!qtest_enabled()) {
488 error_report("Could not load PowerPC BIOS '%s'", bios_name);
492 /* Register Linux flash */
493 dinfo = drive_get(IF_PFLASH, 0, fl_idx);
495 bios_size = 32 * MiB;
496 pflash_cfi02_register(0xfc000000, "taihu_405ep.flash", bios_size,
497 blk_by_legacy_dinfo(dinfo),
499 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA,
503 /* Register CLPD & LCD display */
504 taihu_cpld_init(sysmem, 0x50100000);
506 linux_boot = (kernel_filename != NULL);
508 kernel_base = KERNEL_LOAD_ADDR;
509 /* now we can load the kernel */
510 kernel_size = load_image_targphys(kernel_filename, kernel_base,
511 machine->ram_size - kernel_base);
512 if (kernel_size < 0) {
513 error_report("could not load kernel '%s'", kernel_filename);
517 if (initrd_filename) {
518 initrd_base = INITRD_LOAD_ADDR;
519 initrd_size = load_image_targphys(initrd_filename, initrd_base,
520 machine->ram_size - initrd_base);
521 if (initrd_size < 0) {
522 error_report("could not load initial ram disk '%s'",
538 static void taihu_class_init(ObjectClass *oc, void *data)
540 MachineClass *mc = MACHINE_CLASS(oc);
543 mc->init = taihu_405ep_init;
544 mc->default_ram_size = 0x08000000;
545 mc->default_ram_id = "taihu_405ep.ram";
548 static const TypeInfo taihu_type = {
549 .name = MACHINE_TYPE_NAME("taihu"),
550 .parent = TYPE_MACHINE,
551 .class_init = taihu_class_init,
554 static void ppc405_machine_init(void)
556 type_register_static(&ref405ep_type);
557 type_register_static(&taihu_type);
560 type_init(ppc405_machine_init)