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Commit | Line | Data |
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4ce7ff6e AJ |
1 | /* |
2 | * QEMU MIPS Jazz support | |
3 | * | |
4 | * Copyright (c) 2007-2008 Hervé Poussineau | |
5 | * | |
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 | */ | |
24 | ||
25 | #include "hw.h" | |
26 | #include "mips.h" | |
b970ea8f | 27 | #include "mips_cpudevs.h" |
4ce7ff6e AJ |
28 | #include "pc.h" |
29 | #include "isa.h" | |
30 | #include "fdc.h" | |
31 | #include "sysemu.h" | |
0dfa5ef9 | 32 | #include "arch_init.h" |
4ce7ff6e AJ |
33 | #include "boards.h" |
34 | #include "net.h" | |
1cd3af54 | 35 | #include "esp.h" |
bba831e8 | 36 | #include "mips-bios.h" |
ca20cf32 | 37 | #include "loader.h" |
1d914fa0 | 38 | #include "mc146818rtc.h" |
2446333c | 39 | #include "blockdev.h" |
cd3e2409 | 40 | #include "sysbus.h" |
be20f9e9 | 41 | #include "exec-memory.h" |
4ce7ff6e | 42 | |
4ce7ff6e AJ |
43 | enum jazz_model_e |
44 | { | |
45 | JAZZ_MAGNUM, | |
c171148c | 46 | JAZZ_PICA61, |
4ce7ff6e AJ |
47 | }; |
48 | ||
49 | static void main_cpu_reset(void *opaque) | |
50 | { | |
51 | CPUState *env = opaque; | |
52 | cpu_reset(env); | |
53 | } | |
54 | ||
60581b37 | 55 | static uint64_t rtc_read(void *opaque, target_phys_addr_t addr, unsigned size) |
4ce7ff6e | 56 | { |
afcea8cb | 57 | return cpu_inw(0x71); |
4ce7ff6e AJ |
58 | } |
59 | ||
60581b37 AK |
60 | static void rtc_write(void *opaque, target_phys_addr_t addr, |
61 | uint64_t val, unsigned size) | |
4ce7ff6e | 62 | { |
afcea8cb | 63 | cpu_outw(0x71, val & 0xff); |
4ce7ff6e AJ |
64 | } |
65 | ||
60581b37 AK |
66 | static const MemoryRegionOps rtc_ops = { |
67 | .read = rtc_read, | |
68 | .write = rtc_write, | |
69 | .endianness = DEVICE_NATIVE_ENDIAN, | |
4ce7ff6e AJ |
70 | }; |
71 | ||
60581b37 AK |
72 | static uint64_t dma_dummy_read(void *opaque, target_phys_addr_t addr, |
73 | unsigned size) | |
c6945b15 AJ |
74 | { |
75 | /* Nothing to do. That is only to ensure that | |
76 | * the current DMA acknowledge cycle is completed. */ | |
60581b37 | 77 | return 0xff; |
c6945b15 AJ |
78 | } |
79 | ||
60581b37 AK |
80 | static void dma_dummy_write(void *opaque, target_phys_addr_t addr, |
81 | uint64_t val, unsigned size) | |
82 | { | |
83 | /* Nothing to do. That is only to ensure that | |
84 | * the current DMA acknowledge cycle is completed. */ | |
85 | } | |
c6945b15 | 86 | |
60581b37 AK |
87 | static const MemoryRegionOps dma_dummy_ops = { |
88 | .read = dma_dummy_read, | |
89 | .write = dma_dummy_write, | |
90 | .endianness = DEVICE_NATIVE_ENDIAN, | |
c6945b15 AJ |
91 | }; |
92 | ||
4ce7ff6e AJ |
93 | #define MAGNUM_BIOS_SIZE_MAX 0x7e000 |
94 | #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX) | |
95 | ||
4556bd8b BS |
96 | static void cpu_request_exit(void *opaque, int irq, int level) |
97 | { | |
98 | CPUState *env = cpu_single_env; | |
99 | ||
100 | if (env && level) { | |
101 | cpu_exit(env); | |
102 | } | |
103 | } | |
104 | ||
c2d0d012 RH |
105 | static void mips_jazz_init(MemoryRegion *address_space, |
106 | MemoryRegion *address_space_io, | |
107 | ram_addr_t ram_size, | |
108 | const char *cpu_model, | |
109 | enum jazz_model_e jazz_model) | |
4ce7ff6e | 110 | { |
5cea8590 | 111 | char *filename; |
4ce7ff6e AJ |
112 | int bios_size, n; |
113 | CPUState *env; | |
114 | qemu_irq *rc4030, *i8259; | |
c6945b15 | 115 | rc4030_dma *dmas; |
68238a9e | 116 | void* rc4030_opaque; |
60581b37 AK |
117 | MemoryRegion *rtc = g_new(MemoryRegion, 1); |
118 | MemoryRegion *dma_dummy = g_new(MemoryRegion, 1); | |
a65f56ee | 119 | NICInfo *nd; |
cd3e2409 HP |
120 | DeviceState *dev; |
121 | SysBusDevice *sysbus; | |
64d7e9a4 | 122 | ISADevice *pit; |
fd8014e1 | 123 | DriveInfo *fds[MAX_FD]; |
73d74342 | 124 | qemu_irq esp_reset, dma_enable; |
4556bd8b | 125 | qemu_irq *cpu_exit_irq; |
60581b37 AK |
126 | MemoryRegion *ram = g_new(MemoryRegion, 1); |
127 | MemoryRegion *bios = g_new(MemoryRegion, 1); | |
128 | MemoryRegion *bios2 = g_new(MemoryRegion, 1); | |
4ce7ff6e AJ |
129 | |
130 | /* init CPUs */ | |
131 | if (cpu_model == NULL) { | |
132 | #ifdef TARGET_MIPS64 | |
133 | cpu_model = "R4000"; | |
134 | #else | |
135 | /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */ | |
136 | cpu_model = "24Kf"; | |
137 | #endif | |
138 | } | |
139 | env = cpu_init(cpu_model); | |
140 | if (!env) { | |
141 | fprintf(stderr, "Unable to find CPU definition\n"); | |
142 | exit(1); | |
143 | } | |
a08d4367 | 144 | qemu_register_reset(main_cpu_reset, env); |
4ce7ff6e AJ |
145 | |
146 | /* allocate RAM */ | |
60581b37 AK |
147 | memory_region_init_ram(ram, NULL, "mips_jazz.ram", ram_size); |
148 | memory_region_add_subregion(address_space, 0, ram); | |
dcac9679 | 149 | |
60581b37 AK |
150 | memory_region_init_ram(bios, NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE); |
151 | memory_region_set_readonly(bios, true); | |
152 | memory_region_init_alias(bios2, "mips_jazz.bios", bios, | |
153 | 0, MAGNUM_BIOS_SIZE); | |
154 | memory_region_add_subregion(address_space, 0x1fc00000LL, bios); | |
155 | memory_region_add_subregion(address_space, 0xfff00000LL, bios2); | |
4ce7ff6e AJ |
156 | |
157 | /* load the BIOS image. */ | |
c6945b15 AJ |
158 | if (bios_name == NULL) |
159 | bios_name = BIOS_FILENAME; | |
5cea8590 PB |
160 | filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
161 | if (filename) { | |
162 | bios_size = load_image_targphys(filename, 0xfff00000LL, | |
163 | MAGNUM_BIOS_SIZE); | |
7267c094 | 164 | g_free(filename); |
5cea8590 PB |
165 | } else { |
166 | bios_size = -1; | |
167 | } | |
4ce7ff6e AJ |
168 | if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) { |
169 | fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n", | |
5cea8590 | 170 | bios_name); |
4ce7ff6e AJ |
171 | exit(1); |
172 | } | |
173 | ||
4ce7ff6e AJ |
174 | /* Init CPU internal devices */ |
175 | cpu_mips_irq_init_cpu(env); | |
176 | cpu_mips_clock_init(env); | |
177 | ||
178 | /* Chipset */ | |
68238a9e | 179 | rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas); |
60581b37 AK |
180 | memory_region_init_io(dma_dummy, &dma_dummy_ops, NULL, "dummy_dma", 0x1000); |
181 | memory_region_add_subregion(address_space, 0x8000d000, dma_dummy); | |
4ce7ff6e AJ |
182 | |
183 | /* ISA devices */ | |
184 | i8259 = i8259_init(env->irq[4]); | |
c2d0d012 | 185 | isa_bus_new(NULL, address_space_io); |
5041fccd | 186 | isa_bus_irqs(i8259); |
4556bd8b BS |
187 | cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1); |
188 | DMA_init(0, cpu_exit_irq); | |
64d7e9a4 | 189 | pit = pit_init(0x40, 0); |
4ce7ff6e AJ |
190 | pcspk_init(pit); |
191 | ||
192 | /* ISA IO space at 0x90000000 */ | |
968d683c | 193 | isa_mmio_init(0x90000000, 0x01000000); |
4ce7ff6e AJ |
194 | isa_mem_base = 0x11000000; |
195 | ||
196 | /* Video card */ | |
197 | switch (jazz_model) { | |
198 | case JAZZ_MAGNUM: | |
97a3f6ff HP |
199 | dev = qdev_create(NULL, "sysbus-g364"); |
200 | qdev_init_nofail(dev); | |
201 | sysbus = sysbus_from_qdev(dev); | |
202 | sysbus_mmio_map(sysbus, 0, 0x60080000); | |
203 | sysbus_mmio_map(sysbus, 1, 0x40000000); | |
204 | sysbus_connect_irq(sysbus, 0, rc4030[3]); | |
205 | { | |
206 | /* Simple ROM, so user doesn't have to provide one */ | |
60581b37 AK |
207 | MemoryRegion *rom_mr = g_new(MemoryRegion, 1); |
208 | memory_region_init_ram(rom_mr, NULL, "g364fb.rom", 0x80000); | |
209 | memory_region_set_readonly(rom_mr, true); | |
210 | uint8_t *rom = memory_region_get_ram_ptr(rom_mr); | |
211 | memory_region_add_subregion(address_space, 0x60000000, rom_mr); | |
97a3f6ff HP |
212 | rom[0] = 0x10; /* Mips G364 */ |
213 | } | |
4ce7ff6e | 214 | break; |
c171148c | 215 | case JAZZ_PICA61: |
be20f9e9 | 216 | isa_vga_mm_init(0x40000000, 0x60000000, 0, get_system_memory()); |
c171148c | 217 | break; |
4ce7ff6e AJ |
218 | default: |
219 | break; | |
220 | } | |
221 | ||
222 | /* Network controller */ | |
a65f56ee AJ |
223 | for (n = 0; n < nb_nics; n++) { |
224 | nd = &nd_table[n]; | |
225 | if (!nd->model) | |
7267c094 | 226 | nd->model = g_strdup("dp83932"); |
a65f56ee AJ |
227 | if (strcmp(nd->model, "dp83932") == 0) { |
228 | dp83932_init(nd, 0x80001000, 2, rc4030[4], | |
229 | rc4030_opaque, rc4030_dma_memory_rw); | |
230 | break; | |
231 | } else if (strcmp(nd->model, "?") == 0) { | |
232 | fprintf(stderr, "qemu: Supported NICs: dp83932\n"); | |
233 | exit(1); | |
234 | } else { | |
235 | fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model); | |
236 | exit(1); | |
237 | } | |
238 | } | |
4ce7ff6e AJ |
239 | |
240 | /* SCSI adapter */ | |
cfb9de9c PB |
241 | esp_init(0x80002000, 0, |
242 | rc4030_dma_read, rc4030_dma_write, dmas[0], | |
73d74342 | 243 | rc4030[5], &esp_reset, &dma_enable); |
4ce7ff6e AJ |
244 | |
245 | /* Floppy */ | |
246 | if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) { | |
247 | fprintf(stderr, "qemu: too many floppy drives\n"); | |
248 | exit(1); | |
249 | } | |
250 | for (n = 0; n < MAX_FD; n++) { | |
fd8014e1 | 251 | fds[n] = drive_get(IF_FLOPPY, 0, n); |
4ce7ff6e | 252 | } |
2091ba23 | 253 | fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds); |
4ce7ff6e AJ |
254 | |
255 | /* Real time clock */ | |
7d932dfd | 256 | rtc_init(1980, NULL); |
60581b37 AK |
257 | memory_region_init_io(rtc, &rtc_ops, NULL, "rtc", 0x1000); |
258 | memory_region_add_subregion(address_space, 0x80004000, rtc); | |
4ce7ff6e AJ |
259 | |
260 | /* Keyboard (i8042) */ | |
4efbe58f | 261 | i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1); |
4ce7ff6e AJ |
262 | |
263 | /* Serial ports */ | |
2d48377a BS |
264 | if (serial_hds[0]) { |
265 | #ifdef TARGET_WORDS_BIGENDIAN | |
266 | serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 1); | |
267 | #else | |
268 | serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 0); | |
269 | #endif | |
270 | } | |
271 | if (serial_hds[1]) { | |
272 | #ifdef TARGET_WORDS_BIGENDIAN | |
273 | serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 1); | |
274 | #else | |
275 | serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 0); | |
276 | #endif | |
277 | } | |
4ce7ff6e AJ |
278 | |
279 | /* Parallel port */ | |
280 | if (parallel_hds[0]) | |
281 | parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]); | |
282 | ||
283 | /* Sound card */ | |
284 | /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */ | |
0dfa5ef9 | 285 | audio_init(i8259, NULL); |
4ce7ff6e | 286 | |
cd3e2409 HP |
287 | /* NVRAM */ |
288 | dev = qdev_create(NULL, "ds1225y"); | |
289 | qdev_init_nofail(dev); | |
290 | sysbus = sysbus_from_qdev(dev); | |
291 | sysbus_mmio_map(sysbus, 0, 0x80009000); | |
4ce7ff6e AJ |
292 | |
293 | /* LED indicator */ | |
3023f332 | 294 | jazz_led_init(0x8000f000); |
4ce7ff6e AJ |
295 | } |
296 | ||
297 | static | |
c227f099 | 298 | void mips_magnum_init (ram_addr_t ram_size, |
3023f332 | 299 | const char *boot_device, |
4ce7ff6e AJ |
300 | const char *kernel_filename, const char *kernel_cmdline, |
301 | const char *initrd_filename, const char *cpu_model) | |
302 | { | |
c2d0d012 RH |
303 | mips_jazz_init(get_system_memory(), get_system_io(), |
304 | ram_size, cpu_model, JAZZ_MAGNUM); | |
4ce7ff6e AJ |
305 | } |
306 | ||
c171148c | 307 | static |
c227f099 | 308 | void mips_pica61_init (ram_addr_t ram_size, |
3023f332 | 309 | const char *boot_device, |
c171148c AJ |
310 | const char *kernel_filename, const char *kernel_cmdline, |
311 | const char *initrd_filename, const char *cpu_model) | |
312 | { | |
c2d0d012 RH |
313 | mips_jazz_init(get_system_memory(), get_system_io(), |
314 | ram_size, cpu_model, JAZZ_PICA61); | |
c171148c AJ |
315 | } |
316 | ||
f80f9ec9 | 317 | static QEMUMachine mips_magnum_machine = { |
eec2743e TS |
318 | .name = "magnum", |
319 | .desc = "MIPS Magnum", | |
320 | .init = mips_magnum_init, | |
c6945b15 | 321 | .use_scsi = 1, |
4ce7ff6e | 322 | }; |
c171148c | 323 | |
f80f9ec9 | 324 | static QEMUMachine mips_pica61_machine = { |
eec2743e TS |
325 | .name = "pica61", |
326 | .desc = "Acer Pica 61", | |
327 | .init = mips_pica61_init, | |
c6945b15 | 328 | .use_scsi = 1, |
c171148c | 329 | }; |
f80f9ec9 AL |
330 | |
331 | static void mips_jazz_machine_init(void) | |
332 | { | |
333 | qemu_register_machine(&mips_magnum_machine); | |
334 | qemu_register_machine(&mips_pica61_machine); | |
335 | } | |
336 | ||
337 | machine_init(mips_jazz_machine_init); |