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Commit | Line | Data |
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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 | */ | |
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" |
737e150e | 31 | #include "block/block.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" |
9c17d615 | 36 | #include "sysemu/blockdev.h" |
022c62cb | 37 | #include "exec/address-spaces.h" |
1a6c0886 JM |
38 | |
39 | #define BIOS_FILENAME "ppc405_rom.bin" | |
1a6c0886 JM |
40 | #define BIOS_SIZE (2048 * 1024) |
41 | ||
42 | #define KERNEL_LOAD_ADDR 0x00000000 | |
43 | #define INITRD_LOAD_ADDR 0x01800000 | |
44 | ||
45 | #define USE_FLASH_BIOS | |
46 | ||
bf2ed917 | 47 | //#define DEBUG_BOARD_INIT |
1a6c0886 JM |
48 | |
49 | /*****************************************************************************/ | |
50 | /* PPC405EP reference board (IBM) */ | |
51 | /* Standalone board with: | |
52 | * - PowerPC 405EP CPU | |
53 | * - SDRAM (0x00000000) | |
54 | * - Flash (0xFFF80000) | |
55 | * - SRAM (0xFFF00000) | |
56 | * - NVRAM (0xF0000000) | |
57 | * - FPGA (0xF0300000) | |
58 | */ | |
c227f099 AL |
59 | typedef struct ref405ep_fpga_t ref405ep_fpga_t; |
60 | struct ref405ep_fpga_t { | |
1a6c0886 JM |
61 | uint8_t reg0; |
62 | uint8_t reg1; | |
63 | }; | |
64 | ||
a8170e5e | 65 | static uint32_t ref405ep_fpga_readb (void *opaque, hwaddr addr) |
1a6c0886 | 66 | { |
c227f099 | 67 | ref405ep_fpga_t *fpga; |
1a6c0886 JM |
68 | uint32_t ret; |
69 | ||
70 | fpga = opaque; | |
1a6c0886 JM |
71 | switch (addr) { |
72 | case 0x0: | |
73 | ret = fpga->reg0; | |
74 | break; | |
75 | case 0x1: | |
76 | ret = fpga->reg1; | |
77 | break; | |
78 | default: | |
79 | ret = 0; | |
80 | break; | |
81 | } | |
82 | ||
83 | return ret; | |
84 | } | |
85 | ||
86 | static void ref405ep_fpga_writeb (void *opaque, | |
a8170e5e | 87 | hwaddr addr, uint32_t value) |
1a6c0886 | 88 | { |
c227f099 | 89 | ref405ep_fpga_t *fpga; |
1a6c0886 JM |
90 | |
91 | fpga = opaque; | |
1a6c0886 JM |
92 | switch (addr) { |
93 | case 0x0: | |
94 | /* Read only */ | |
95 | break; | |
96 | case 0x1: | |
97 | fpga->reg1 = value; | |
98 | break; | |
99 | default: | |
100 | break; | |
101 | } | |
102 | } | |
103 | ||
a8170e5e | 104 | static uint32_t ref405ep_fpga_readw (void *opaque, hwaddr addr) |
1a6c0886 JM |
105 | { |
106 | uint32_t ret; | |
107 | ||
108 | ret = ref405ep_fpga_readb(opaque, addr) << 8; | |
109 | ret |= ref405ep_fpga_readb(opaque, addr + 1); | |
110 | ||
111 | return ret; | |
112 | } | |
113 | ||
114 | static void ref405ep_fpga_writew (void *opaque, | |
a8170e5e | 115 | hwaddr addr, uint32_t value) |
1a6c0886 JM |
116 | { |
117 | ref405ep_fpga_writeb(opaque, addr, (value >> 8) & 0xFF); | |
118 | ref405ep_fpga_writeb(opaque, addr + 1, value & 0xFF); | |
119 | } | |
120 | ||
a8170e5e | 121 | static uint32_t ref405ep_fpga_readl (void *opaque, hwaddr addr) |
1a6c0886 JM |
122 | { |
123 | uint32_t ret; | |
124 | ||
125 | ret = ref405ep_fpga_readb(opaque, addr) << 24; | |
126 | ret |= ref405ep_fpga_readb(opaque, addr + 1) << 16; | |
127 | ret |= ref405ep_fpga_readb(opaque, addr + 2) << 8; | |
128 | ret |= ref405ep_fpga_readb(opaque, addr + 3); | |
129 | ||
130 | return ret; | |
131 | } | |
132 | ||
133 | static void ref405ep_fpga_writel (void *opaque, | |
a8170e5e | 134 | hwaddr addr, uint32_t value) |
1a6c0886 | 135 | { |
8de24106 AJ |
136 | ref405ep_fpga_writeb(opaque, addr, (value >> 24) & 0xFF); |
137 | ref405ep_fpga_writeb(opaque, addr + 1, (value >> 16) & 0xFF); | |
138 | ref405ep_fpga_writeb(opaque, addr + 2, (value >> 8) & 0xFF); | |
1a6c0886 JM |
139 | ref405ep_fpga_writeb(opaque, addr + 3, value & 0xFF); |
140 | } | |
141 | ||
a682fd5c AK |
142 | static const MemoryRegionOps ref405ep_fpga_ops = { |
143 | .old_mmio = { | |
144 | .read = { | |
145 | ref405ep_fpga_readb, ref405ep_fpga_readw, ref405ep_fpga_readl, | |
146 | }, | |
147 | .write = { | |
148 | ref405ep_fpga_writeb, ref405ep_fpga_writew, ref405ep_fpga_writel, | |
149 | }, | |
150 | }, | |
151 | .endianness = DEVICE_NATIVE_ENDIAN, | |
1a6c0886 JM |
152 | }; |
153 | ||
154 | static void ref405ep_fpga_reset (void *opaque) | |
155 | { | |
c227f099 | 156 | ref405ep_fpga_t *fpga; |
1a6c0886 JM |
157 | |
158 | fpga = opaque; | |
159 | fpga->reg0 = 0x00; | |
160 | fpga->reg1 = 0x0F; | |
161 | } | |
162 | ||
5f072e1f | 163 | static void ref405ep_fpga_init(MemoryRegion *sysmem, uint32_t base) |
1a6c0886 | 164 | { |
c227f099 | 165 | ref405ep_fpga_t *fpga; |
a682fd5c | 166 | MemoryRegion *fpga_memory = g_new(MemoryRegion, 1); |
1a6c0886 | 167 | |
7267c094 | 168 | fpga = g_malloc0(sizeof(ref405ep_fpga_t)); |
2c9b15ca | 169 | memory_region_init_io(fpga_memory, NULL, &ref405ep_fpga_ops, fpga, |
a682fd5c AK |
170 | "fpga", 0x00000100); |
171 | memory_region_add_subregion(sysmem, base, fpga_memory); | |
a08d4367 | 172 | qemu_register_reset(&ref405ep_fpga_reset, fpga); |
1a6c0886 JM |
173 | } |
174 | ||
3ef96221 | 175 | static void ref405ep_init(MachineState *machine) |
1a6c0886 | 176 | { |
3ef96221 MA |
177 | ram_addr_t ram_size = machine->ram_size; |
178 | const char *kernel_filename = machine->kernel_filename; | |
179 | const char *kernel_cmdline = machine->kernel_cmdline; | |
180 | const char *initrd_filename = machine->initrd_filename; | |
5cea8590 | 181 | char *filename; |
c227f099 | 182 | ppc4xx_bd_info_t bd; |
1a6c0886 JM |
183 | CPUPPCState *env; |
184 | qemu_irq *pic; | |
cfe5f011 | 185 | MemoryRegion *bios; |
a682fd5c AK |
186 | MemoryRegion *sram = g_new(MemoryRegion, 1); |
187 | ram_addr_t bdloc; | |
b6dcbe08 | 188 | MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories)); |
a8170e5e | 189 | hwaddr ram_bases[2], ram_sizes[2]; |
093209cd BS |
190 | target_ulong sram_size; |
191 | long bios_size; | |
1a6c0886 JM |
192 | //int phy_addr = 0; |
193 | //static int phy_addr = 1; | |
093209cd BS |
194 | target_ulong kernel_base, initrd_base; |
195 | long kernel_size, initrd_size; | |
1a6c0886 JM |
196 | int linux_boot; |
197 | int fl_idx, fl_sectors, len; | |
751c6a17 | 198 | DriveInfo *dinfo; |
a682fd5c | 199 | MemoryRegion *sysmem = get_system_memory(); |
1a6c0886 JM |
200 | |
201 | /* XXX: fix this */ | |
e938ba0c SP |
202 | memory_region_allocate_system_memory(&ram_memories[0], NULL, "ef405ep.ram", |
203 | 0x08000000); | |
b6dcbe08 | 204 | ram_bases[0] = 0; |
1a6c0886 | 205 | ram_sizes[0] = 0x08000000; |
2c9b15ca | 206 | memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0); |
1a6c0886 JM |
207 | ram_bases[1] = 0x00000000; |
208 | ram_sizes[1] = 0x00000000; | |
209 | ram_size = 128 * 1024 * 1024; | |
210 | #ifdef DEBUG_BOARD_INIT | |
211 | printf("%s: register cpu\n", __func__); | |
212 | #endif | |
a682fd5c | 213 | env = ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes, |
52ce55a1 | 214 | 33333333, &pic, kernel_filename == NULL ? 0 : 1); |
1a6c0886 | 215 | /* allocate SRAM */ |
5c130f65 | 216 | sram_size = 512 * 1024; |
49946538 | 217 | memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size, &error_abort); |
e206ad48 | 218 | vmstate_register_ram_global(sram); |
a682fd5c | 219 | memory_region_add_subregion(sysmem, 0xFFF00000, sram); |
1a6c0886 JM |
220 | /* allocate and load BIOS */ |
221 | #ifdef DEBUG_BOARD_INIT | |
222 | printf("%s: register BIOS\n", __func__); | |
223 | #endif | |
1a6c0886 JM |
224 | fl_idx = 0; |
225 | #ifdef USE_FLASH_BIOS | |
751c6a17 GH |
226 | dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
227 | if (dinfo) { | |
228 | bios_size = bdrv_getlength(dinfo->bdrv); | |
1a6c0886 JM |
229 | fl_sectors = (bios_size + 65535) >> 16; |
230 | #ifdef DEBUG_BOARD_INIT | |
093209cd | 231 | printf("Register parallel flash %d size %lx" |
cfe5f011 AK |
232 | " at addr %lx '%s' %d\n", |
233 | fl_idx, bios_size, -bios_size, | |
751c6a17 | 234 | bdrv_get_device_name(dinfo->bdrv), fl_sectors); |
1a6c0886 | 235 | #endif |
cfe5f011 AK |
236 | pflash_cfi02_register((uint32_t)(-bios_size), |
237 | NULL, "ef405ep.bios", bios_size, | |
751c6a17 | 238 | dinfo->bdrv, 65536, fl_sectors, 1, |
01e0451a AL |
239 | 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
240 | 1); | |
1a6c0886 JM |
241 | fl_idx++; |
242 | } else | |
243 | #endif | |
244 | { | |
245 | #ifdef DEBUG_BOARD_INIT | |
246 | printf("Load BIOS from file\n"); | |
247 | #endif | |
cfe5f011 | 248 | bios = g_new(MemoryRegion, 1); |
49946538 HT |
249 | memory_region_init_ram(bios, NULL, "ef405ep.bios", BIOS_SIZE, |
250 | &error_abort); | |
e206ad48 HT |
251 | vmstate_register_ram_global(bios); |
252 | ||
1192dad8 JM |
253 | if (bios_name == NULL) |
254 | bios_name = BIOS_FILENAME; | |
5cea8590 PB |
255 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
256 | if (filename) { | |
cfe5f011 | 257 | bios_size = load_image(filename, memory_region_get_ram_ptr(bios)); |
7267c094 | 258 | g_free(filename); |
ad9990ac AF |
259 | if (bios_size < 0 || bios_size > BIOS_SIZE) { |
260 | error_report("Could not load PowerPC BIOS '%s'", bios_name); | |
261 | exit(1); | |
262 | } | |
263 | bios_size = (bios_size + 0xfff) & ~0xfff; | |
264 | memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios); | |
265 | } else if (!qtest_enabled() || kernel_filename != NULL) { | |
266 | error_report("Could not load PowerPC BIOS '%s'", bios_name); | |
267 | exit(1); | |
5cea8590 | 268 | } else { |
ad9990ac | 269 | /* Avoid an uninitialized variable warning */ |
5cea8590 PB |
270 | bios_size = -1; |
271 | } | |
cfe5f011 | 272 | memory_region_set_readonly(bios, true); |
1a6c0886 | 273 | } |
1a6c0886 JM |
274 | /* Register FPGA */ |
275 | #ifdef DEBUG_BOARD_INIT | |
276 | printf("%s: register FPGA\n", __func__); | |
277 | #endif | |
a682fd5c | 278 | ref405ep_fpga_init(sysmem, 0xF0300000); |
1a6c0886 JM |
279 | /* Register NVRAM */ |
280 | #ifdef DEBUG_BOARD_INIT | |
281 | printf("%s: register NVRAM\n", __func__); | |
282 | #endif | |
283 | m48t59_init(NULL, 0xF0000000, 0, 8192, 8); | |
284 | /* Load kernel */ | |
285 | linux_boot = (kernel_filename != NULL); | |
286 | if (linux_boot) { | |
287 | #ifdef DEBUG_BOARD_INIT | |
288 | printf("%s: load kernel\n", __func__); | |
289 | #endif | |
290 | memset(&bd, 0, sizeof(bd)); | |
291 | bd.bi_memstart = 0x00000000; | |
292 | bd.bi_memsize = ram_size; | |
217fae2d | 293 | bd.bi_flashstart = -bios_size; |
1a6c0886 JM |
294 | bd.bi_flashsize = -bios_size; |
295 | bd.bi_flashoffset = 0; | |
296 | bd.bi_sramstart = 0xFFF00000; | |
297 | bd.bi_sramsize = sram_size; | |
298 | bd.bi_bootflags = 0; | |
299 | bd.bi_intfreq = 133333333; | |
300 | bd.bi_busfreq = 33333333; | |
301 | bd.bi_baudrate = 115200; | |
302 | bd.bi_s_version[0] = 'Q'; | |
303 | bd.bi_s_version[1] = 'M'; | |
304 | bd.bi_s_version[2] = 'U'; | |
305 | bd.bi_s_version[3] = '\0'; | |
306 | bd.bi_r_version[0] = 'Q'; | |
307 | bd.bi_r_version[1] = 'E'; | |
308 | bd.bi_r_version[2] = 'M'; | |
309 | bd.bi_r_version[3] = 'U'; | |
310 | bd.bi_r_version[4] = '\0'; | |
311 | bd.bi_procfreq = 133333333; | |
312 | bd.bi_plb_busfreq = 33333333; | |
313 | bd.bi_pci_busfreq = 33333333; | |
314 | bd.bi_opbfreq = 33333333; | |
b8d3f5d1 | 315 | bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001); |
1a6c0886 JM |
316 | env->gpr[3] = bdloc; |
317 | kernel_base = KERNEL_LOAD_ADDR; | |
318 | /* now we can load the kernel */ | |
5c130f65 PB |
319 | kernel_size = load_image_targphys(kernel_filename, kernel_base, |
320 | ram_size - kernel_base); | |
1a6c0886 | 321 | if (kernel_size < 0) { |
5fafdf24 | 322 | fprintf(stderr, "qemu: could not load kernel '%s'\n", |
1a6c0886 JM |
323 | kernel_filename); |
324 | exit(1); | |
325 | } | |
093209cd | 326 | printf("Load kernel size %ld at " TARGET_FMT_lx, |
5c130f65 | 327 | kernel_size, kernel_base); |
1a6c0886 JM |
328 | /* load initrd */ |
329 | if (initrd_filename) { | |
330 | initrd_base = INITRD_LOAD_ADDR; | |
5c130f65 PB |
331 | initrd_size = load_image_targphys(initrd_filename, initrd_base, |
332 | ram_size - initrd_base); | |
1a6c0886 | 333 | if (initrd_size < 0) { |
5fafdf24 | 334 | fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", |
1a6c0886 JM |
335 | initrd_filename); |
336 | exit(1); | |
337 | } | |
338 | } else { | |
339 | initrd_base = 0; | |
340 | initrd_size = 0; | |
341 | } | |
342 | env->gpr[4] = initrd_base; | |
343 | env->gpr[5] = initrd_size; | |
1a6c0886 JM |
344 | if (kernel_cmdline != NULL) { |
345 | len = strlen(kernel_cmdline); | |
346 | bdloc -= ((len + 255) & ~255); | |
e1fe50dc | 347 | cpu_physical_memory_write(bdloc, kernel_cmdline, len + 1); |
1a6c0886 JM |
348 | env->gpr[6] = bdloc; |
349 | env->gpr[7] = bdloc + len; | |
350 | } else { | |
351 | env->gpr[6] = 0; | |
352 | env->gpr[7] = 0; | |
353 | } | |
354 | env->nip = KERNEL_LOAD_ADDR; | |
355 | } else { | |
356 | kernel_base = 0; | |
357 | kernel_size = 0; | |
358 | initrd_base = 0; | |
359 | initrd_size = 0; | |
360 | bdloc = 0; | |
361 | } | |
362 | #ifdef DEBUG_BOARD_INIT | |
bf2ed917 | 363 | printf("bdloc " RAM_ADDR_FMT "\n", bdloc); |
1a6c0886 JM |
364 | printf("%s: Done\n", __func__); |
365 | #endif | |
1a6c0886 JM |
366 | } |
367 | ||
f80f9ec9 | 368 | static QEMUMachine ref405ep_machine = { |
4b32e168 AL |
369 | .name = "ref405ep", |
370 | .desc = "ref405ep", | |
371 | .init = ref405ep_init, | |
1a6c0886 JM |
372 | }; |
373 | ||
374 | /*****************************************************************************/ | |
375 | /* AMCC Taihu evaluation board */ | |
376 | /* - PowerPC 405EP processor | |
377 | * - SDRAM 128 MB at 0x00000000 | |
378 | * - Boot flash 2 MB at 0xFFE00000 | |
379 | * - Application flash 32 MB at 0xFC000000 | |
380 | * - 2 serial ports | |
381 | * - 2 ethernet PHY | |
382 | * - 1 USB 1.1 device 0x50000000 | |
383 | * - 1 LCD display 0x50100000 | |
384 | * - 1 CPLD 0x50100000 | |
385 | * - 1 I2C EEPROM | |
386 | * - 1 I2C thermal sensor | |
387 | * - a set of LEDs | |
388 | * - bit-bang SPI port using GPIOs | |
389 | * - 1 EBC interface connector 0 0x50200000 | |
390 | * - 1 cardbus controller + expansion slot. | |
391 | * - 1 PCI expansion slot. | |
392 | */ | |
393 | typedef struct taihu_cpld_t taihu_cpld_t; | |
394 | struct taihu_cpld_t { | |
1a6c0886 JM |
395 | uint8_t reg0; |
396 | uint8_t reg1; | |
397 | }; | |
398 | ||
a8170e5e | 399 | static uint32_t taihu_cpld_readb (void *opaque, hwaddr addr) |
1a6c0886 JM |
400 | { |
401 | taihu_cpld_t *cpld; | |
402 | uint32_t ret; | |
403 | ||
404 | cpld = opaque; | |
1a6c0886 JM |
405 | switch (addr) { |
406 | case 0x0: | |
407 | ret = cpld->reg0; | |
408 | break; | |
409 | case 0x1: | |
410 | ret = cpld->reg1; | |
411 | break; | |
412 | default: | |
413 | ret = 0; | |
414 | break; | |
415 | } | |
416 | ||
417 | return ret; | |
418 | } | |
419 | ||
420 | static void taihu_cpld_writeb (void *opaque, | |
a8170e5e | 421 | hwaddr addr, uint32_t value) |
1a6c0886 JM |
422 | { |
423 | taihu_cpld_t *cpld; | |
424 | ||
425 | cpld = opaque; | |
1a6c0886 JM |
426 | switch (addr) { |
427 | case 0x0: | |
428 | /* Read only */ | |
429 | break; | |
430 | case 0x1: | |
431 | cpld->reg1 = value; | |
432 | break; | |
433 | default: | |
434 | break; | |
435 | } | |
436 | } | |
437 | ||
a8170e5e | 438 | static uint32_t taihu_cpld_readw (void *opaque, hwaddr addr) |
1a6c0886 JM |
439 | { |
440 | uint32_t ret; | |
441 | ||
442 | ret = taihu_cpld_readb(opaque, addr) << 8; | |
443 | ret |= taihu_cpld_readb(opaque, addr + 1); | |
444 | ||
445 | return ret; | |
446 | } | |
447 | ||
448 | static void taihu_cpld_writew (void *opaque, | |
a8170e5e | 449 | hwaddr addr, uint32_t value) |
1a6c0886 JM |
450 | { |
451 | taihu_cpld_writeb(opaque, addr, (value >> 8) & 0xFF); | |
452 | taihu_cpld_writeb(opaque, addr + 1, value & 0xFF); | |
453 | } | |
454 | ||
a8170e5e | 455 | static uint32_t taihu_cpld_readl (void *opaque, hwaddr addr) |
1a6c0886 JM |
456 | { |
457 | uint32_t ret; | |
458 | ||
459 | ret = taihu_cpld_readb(opaque, addr) << 24; | |
460 | ret |= taihu_cpld_readb(opaque, addr + 1) << 16; | |
461 | ret |= taihu_cpld_readb(opaque, addr + 2) << 8; | |
462 | ret |= taihu_cpld_readb(opaque, addr + 3); | |
463 | ||
464 | return ret; | |
465 | } | |
466 | ||
467 | static void taihu_cpld_writel (void *opaque, | |
a8170e5e | 468 | hwaddr addr, uint32_t value) |
1a6c0886 JM |
469 | { |
470 | taihu_cpld_writel(opaque, addr, (value >> 24) & 0xFF); | |
471 | taihu_cpld_writel(opaque, addr + 1, (value >> 16) & 0xFF); | |
472 | taihu_cpld_writel(opaque, addr + 2, (value >> 8) & 0xFF); | |
473 | taihu_cpld_writeb(opaque, addr + 3, value & 0xFF); | |
474 | } | |
475 | ||
a682fd5c AK |
476 | static const MemoryRegionOps taihu_cpld_ops = { |
477 | .old_mmio = { | |
478 | .read = { taihu_cpld_readb, taihu_cpld_readw, taihu_cpld_readl, }, | |
479 | .write = { taihu_cpld_writeb, taihu_cpld_writew, taihu_cpld_writel, }, | |
480 | }, | |
481 | .endianness = DEVICE_NATIVE_ENDIAN, | |
1a6c0886 JM |
482 | }; |
483 | ||
484 | static void taihu_cpld_reset (void *opaque) | |
485 | { | |
486 | taihu_cpld_t *cpld; | |
487 | ||
488 | cpld = opaque; | |
489 | cpld->reg0 = 0x01; | |
490 | cpld->reg1 = 0x80; | |
491 | } | |
492 | ||
5f072e1f | 493 | static void taihu_cpld_init(MemoryRegion *sysmem, uint32_t base) |
1a6c0886 JM |
494 | { |
495 | taihu_cpld_t *cpld; | |
a682fd5c | 496 | MemoryRegion *cpld_memory = g_new(MemoryRegion, 1); |
1a6c0886 | 497 | |
7267c094 | 498 | cpld = g_malloc0(sizeof(taihu_cpld_t)); |
2c9b15ca | 499 | memory_region_init_io(cpld_memory, NULL, &taihu_cpld_ops, cpld, "cpld", 0x100); |
a682fd5c | 500 | memory_region_add_subregion(sysmem, base, cpld_memory); |
a08d4367 | 501 | qemu_register_reset(&taihu_cpld_reset, cpld); |
1a6c0886 JM |
502 | } |
503 | ||
3ef96221 | 504 | static void taihu_405ep_init(MachineState *machine) |
1a6c0886 | 505 | { |
3ef96221 MA |
506 | ram_addr_t ram_size = machine->ram_size; |
507 | const char *kernel_filename = machine->kernel_filename; | |
508 | const char *initrd_filename = machine->initrd_filename; | |
5cea8590 | 509 | char *filename; |
1a6c0886 | 510 | qemu_irq *pic; |
a682fd5c | 511 | MemoryRegion *sysmem = get_system_memory(); |
cfe5f011 | 512 | MemoryRegion *bios; |
b6dcbe08 | 513 | MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories)); |
e206ad48 | 514 | MemoryRegion *ram = g_malloc0(sizeof(*ram)); |
a8170e5e | 515 | hwaddr ram_bases[2], ram_sizes[2]; |
093209cd BS |
516 | long bios_size; |
517 | target_ulong kernel_base, initrd_base; | |
518 | long kernel_size, initrd_size; | |
1a6c0886 JM |
519 | int linux_boot; |
520 | int fl_idx, fl_sectors; | |
751c6a17 | 521 | DriveInfo *dinfo; |
3b46e624 | 522 | |
1a6c0886 | 523 | /* RAM is soldered to the board so the size cannot be changed */ |
e206ad48 HT |
524 | ram_size = 0x08000000; |
525 | memory_region_allocate_system_memory(ram, NULL, "taihu_405ep.ram", | |
526 | ram_size); | |
527 | ||
b6dcbe08 | 528 | ram_bases[0] = 0; |
1a6c0886 | 529 | ram_sizes[0] = 0x04000000; |
e206ad48 HT |
530 | memory_region_init_alias(&ram_memories[0], NULL, |
531 | "taihu_405ep.ram-0", ram, ram_bases[0], | |
532 | ram_sizes[0]); | |
b6dcbe08 | 533 | ram_bases[1] = 0x04000000; |
1a6c0886 | 534 | ram_sizes[1] = 0x04000000; |
e206ad48 HT |
535 | memory_region_init_alias(&ram_memories[1], NULL, |
536 | "taihu_405ep.ram-1", ram, ram_bases[1], | |
537 | ram_sizes[1]); | |
1a6c0886 JM |
538 | #ifdef DEBUG_BOARD_INIT |
539 | printf("%s: register cpu\n", __func__); | |
540 | #endif | |
a682fd5c | 541 | ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes, |
52ce55a1 | 542 | 33333333, &pic, kernel_filename == NULL ? 0 : 1); |
1a6c0886 JM |
543 | /* allocate and load BIOS */ |
544 | #ifdef DEBUG_BOARD_INIT | |
545 | printf("%s: register BIOS\n", __func__); | |
546 | #endif | |
547 | fl_idx = 0; | |
548 | #if defined(USE_FLASH_BIOS) | |
751c6a17 GH |
549 | dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
550 | if (dinfo) { | |
551 | bios_size = bdrv_getlength(dinfo->bdrv); | |
1a6c0886 JM |
552 | /* XXX: should check that size is 2MB */ |
553 | // bios_size = 2 * 1024 * 1024; | |
554 | fl_sectors = (bios_size + 65535) >> 16; | |
555 | #ifdef DEBUG_BOARD_INIT | |
093209cd | 556 | printf("Register parallel flash %d size %lx" |
cfe5f011 AK |
557 | " at addr %lx '%s' %d\n", |
558 | fl_idx, bios_size, -bios_size, | |
751c6a17 | 559 | bdrv_get_device_name(dinfo->bdrv), fl_sectors); |
1a6c0886 | 560 | #endif |
cfe5f011 AK |
561 | pflash_cfi02_register((uint32_t)(-bios_size), |
562 | NULL, "taihu_405ep.bios", bios_size, | |
751c6a17 | 563 | dinfo->bdrv, 65536, fl_sectors, 1, |
01e0451a AL |
564 | 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
565 | 1); | |
1a6c0886 JM |
566 | fl_idx++; |
567 | } else | |
568 | #endif | |
569 | { | |
570 | #ifdef DEBUG_BOARD_INIT | |
571 | printf("Load BIOS from file\n"); | |
572 | #endif | |
1192dad8 JM |
573 | if (bios_name == NULL) |
574 | bios_name = BIOS_FILENAME; | |
cfe5f011 | 575 | bios = g_new(MemoryRegion, 1); |
49946538 HT |
576 | memory_region_init_ram(bios, NULL, "taihu_405ep.bios", BIOS_SIZE, |
577 | &error_abort); | |
e206ad48 | 578 | vmstate_register_ram_global(bios); |
5cea8590 PB |
579 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
580 | if (filename) { | |
cfe5f011 | 581 | bios_size = load_image(filename, memory_region_get_ram_ptr(bios)); |
7267c094 | 582 | g_free(filename); |
ad9990ac AF |
583 | if (bios_size < 0 || bios_size > BIOS_SIZE) { |
584 | error_report("Could not load PowerPC BIOS '%s'", bios_name); | |
585 | exit(1); | |
586 | } | |
587 | bios_size = (bios_size + 0xfff) & ~0xfff; | |
588 | memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios); | |
589 | } else if (!qtest_enabled()) { | |
590 | error_report("Could not load PowerPC BIOS '%s'", bios_name); | |
1a6c0886 JM |
591 | exit(1); |
592 | } | |
cfe5f011 | 593 | memory_region_set_readonly(bios, true); |
1a6c0886 | 594 | } |
1a6c0886 | 595 | /* Register Linux flash */ |
751c6a17 GH |
596 | dinfo = drive_get(IF_PFLASH, 0, fl_idx); |
597 | if (dinfo) { | |
598 | bios_size = bdrv_getlength(dinfo->bdrv); | |
1a6c0886 JM |
599 | /* XXX: should check that size is 32MB */ |
600 | bios_size = 32 * 1024 * 1024; | |
601 | fl_sectors = (bios_size + 65535) >> 16; | |
602 | #ifdef DEBUG_BOARD_INIT | |
093209cd | 603 | printf("Register parallel flash %d size %lx" |
cfe5f011 AK |
604 | " at addr " TARGET_FMT_lx " '%s'\n", |
605 | fl_idx, bios_size, (target_ulong)0xfc000000, | |
751c6a17 | 606 | bdrv_get_device_name(dinfo->bdrv)); |
1a6c0886 | 607 | #endif |
cfe5f011 | 608 | pflash_cfi02_register(0xfc000000, NULL, "taihu_405ep.flash", bios_size, |
751c6a17 | 609 | dinfo->bdrv, 65536, fl_sectors, 1, |
01e0451a AL |
610 | 4, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, |
611 | 1); | |
1a6c0886 JM |
612 | fl_idx++; |
613 | } | |
614 | /* Register CLPD & LCD display */ | |
615 | #ifdef DEBUG_BOARD_INIT | |
616 | printf("%s: register CPLD\n", __func__); | |
617 | #endif | |
a682fd5c | 618 | taihu_cpld_init(sysmem, 0x50100000); |
1a6c0886 JM |
619 | /* Load kernel */ |
620 | linux_boot = (kernel_filename != NULL); | |
621 | if (linux_boot) { | |
622 | #ifdef DEBUG_BOARD_INIT | |
623 | printf("%s: load kernel\n", __func__); | |
624 | #endif | |
625 | kernel_base = KERNEL_LOAD_ADDR; | |
626 | /* now we can load the kernel */ | |
5c130f65 PB |
627 | kernel_size = load_image_targphys(kernel_filename, kernel_base, |
628 | ram_size - kernel_base); | |
1a6c0886 | 629 | if (kernel_size < 0) { |
5fafdf24 | 630 | fprintf(stderr, "qemu: could not load kernel '%s'\n", |
1a6c0886 JM |
631 | kernel_filename); |
632 | exit(1); | |
633 | } | |
634 | /* load initrd */ | |
635 | if (initrd_filename) { | |
636 | initrd_base = INITRD_LOAD_ADDR; | |
5c130f65 PB |
637 | initrd_size = load_image_targphys(initrd_filename, initrd_base, |
638 | ram_size - initrd_base); | |
1a6c0886 JM |
639 | if (initrd_size < 0) { |
640 | fprintf(stderr, | |
5fafdf24 | 641 | "qemu: could not load initial ram disk '%s'\n", |
1a6c0886 JM |
642 | initrd_filename); |
643 | exit(1); | |
644 | } | |
645 | } else { | |
646 | initrd_base = 0; | |
647 | initrd_size = 0; | |
648 | } | |
1a6c0886 JM |
649 | } else { |
650 | kernel_base = 0; | |
651 | kernel_size = 0; | |
652 | initrd_base = 0; | |
653 | initrd_size = 0; | |
654 | } | |
655 | #ifdef DEBUG_BOARD_INIT | |
656 | printf("%s: Done\n", __func__); | |
657 | #endif | |
658 | } | |
659 | ||
f80f9ec9 | 660 | static QEMUMachine taihu_machine = { |
b2ee0ce2 PB |
661 | .name = "taihu", |
662 | .desc = "taihu", | |
663 | .init = taihu_405ep_init, | |
1a6c0886 | 664 | }; |
f80f9ec9 AL |
665 | |
666 | static void ppc405_machine_init(void) | |
667 | { | |
668 | qemu_register_machine(&ref405ep_machine); | |
669 | qemu_register_machine(&taihu_machine); | |
670 | } | |
671 | ||
672 | machine_init(ppc405_machine_init); |