2 * QEMU MIPS Jazz support
4 * Copyright (c) 2007-2008 Hervé Poussineau
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
27 #include "mips_cpudevs.h"
32 #include "audio/audio.h"
36 #include "mips-bios.h"
38 #include "mc146818rtc.h"
46 static void main_cpu_reset(void *opaque)
48 CPUState *env = opaque;
52 static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr)
57 static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
59 cpu_outw(0x71, val & 0xff);
62 static CPUReadMemoryFunc * const rtc_read[3] = {
68 static CPUWriteMemoryFunc * const rtc_write[3] = {
74 static void dma_dummy_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
76 /* Nothing to do. That is only to ensure that
77 * the current DMA acknowledge cycle is completed. */
80 static CPUReadMemoryFunc * const dma_dummy_read[3] = {
86 static CPUWriteMemoryFunc * const dma_dummy_write[3] = {
93 static void audio_init(qemu_irq *pic)
96 int audio_enabled = 0;
98 for (c = soundhw; !audio_enabled && c->name; ++c) {
99 audio_enabled = c->enabled;
103 for (c = soundhw; c->name; ++c) {
106 c->init.init_isa(pic);
114 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
115 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
117 static void cpu_request_exit(void *opaque, int irq, int level)
119 CPUState *env = cpu_single_env;
127 void mips_jazz_init (ram_addr_t ram_size,
128 const char *cpu_model,
129 enum jazz_model_e jazz_model)
134 qemu_irq *rc4030, *i8259;
137 int s_rtc, s_dma_dummy;
140 DriveInfo *fds[MAX_FD];
142 qemu_irq *cpu_exit_irq;
143 ram_addr_t ram_offset;
144 ram_addr_t bios_offset;
147 if (cpu_model == NULL) {
151 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
155 env = cpu_init(cpu_model);
157 fprintf(stderr, "Unable to find CPU definition\n");
160 qemu_register_reset(main_cpu_reset, env);
163 ram_offset = qemu_ram_alloc(ram_size);
164 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
166 bios_offset = qemu_ram_alloc(MAGNUM_BIOS_SIZE);
167 cpu_register_physical_memory(0x1fc00000LL,
168 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
169 cpu_register_physical_memory(0xfff00000LL,
170 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
172 /* load the BIOS image. */
173 if (bios_name == NULL)
174 bios_name = BIOS_FILENAME;
175 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
177 bios_size = load_image_targphys(filename, 0xfff00000LL,
183 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
184 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
189 /* Init CPU internal devices */
190 cpu_mips_irq_init_cpu(env);
191 cpu_mips_clock_init(env);
194 rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
195 s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL);
196 cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
199 i8259 = i8259_init(env->irq[4]);
202 cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
203 DMA_init(0, cpu_exit_irq);
204 pit = pit_init(0x40, i8259[0]);
207 /* ISA IO space at 0x90000000 */
208 #ifdef TARGET_WORDS_BIGENDIAN
209 isa_mmio_init(0x90000000, 0x01000000, 1);
211 isa_mmio_init(0x90000000, 0x01000000, 0);
214 isa_mem_base = 0x11000000;
217 switch (jazz_model) {
219 g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
222 isa_vga_mm_init(0x40000000, 0x60000000, 0);
228 /* Network controller */
229 for (n = 0; n < nb_nics; n++) {
232 nd->model = qemu_strdup("dp83932");
233 if (strcmp(nd->model, "dp83932") == 0) {
234 dp83932_init(nd, 0x80001000, 2, rc4030[4],
235 rc4030_opaque, rc4030_dma_memory_rw);
237 } else if (strcmp(nd->model, "?") == 0) {
238 fprintf(stderr, "qemu: Supported NICs: dp83932\n");
241 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
247 esp_init(0x80002000, 0,
248 rc4030_dma_read, rc4030_dma_write, dmas[0],
249 rc4030[5], &esp_reset);
252 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
253 fprintf(stderr, "qemu: too many floppy drives\n");
256 for (n = 0; n < MAX_FD; n++) {
257 fds[n] = drive_get(IF_FLOPPY, 0, n);
259 fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);
261 /* Real time clock */
262 rtc_init(1980, NULL);
263 s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL);
264 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
266 /* Keyboard (i8042) */
267 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
271 #ifdef TARGET_WORDS_BIGENDIAN
272 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 1);
274 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 0);
278 #ifdef TARGET_WORDS_BIGENDIAN
279 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 1);
281 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 0);
287 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
290 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
295 /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
296 ds1225y_init(0x80009000, "nvram");
299 jazz_led_init(0x8000f000);
303 void mips_magnum_init (ram_addr_t ram_size,
304 const char *boot_device,
305 const char *kernel_filename, const char *kernel_cmdline,
306 const char *initrd_filename, const char *cpu_model)
308 mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM);
312 void mips_pica61_init (ram_addr_t ram_size,
313 const char *boot_device,
314 const char *kernel_filename, const char *kernel_cmdline,
315 const char *initrd_filename, const char *cpu_model)
317 mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61);
320 static QEMUMachine mips_magnum_machine = {
322 .desc = "MIPS Magnum",
323 .init = mips_magnum_init,
327 static QEMUMachine mips_pica61_machine = {
329 .desc = "Acer Pica 61",
330 .init = mips_pica61_init,
334 static void mips_jazz_machine_init(void)
336 qemu_register_machine(&mips_magnum_machine);
337 qemu_register_machine(&mips_pica61_machine);
340 machine_init(mips_jazz_machine_init);