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] = {
92 static void audio_init(qemu_irq *pic)
95 int audio_enabled = 0;
97 for (c = soundhw; !audio_enabled && c->name; ++c) {
98 audio_enabled = c->enabled;
102 for (c = soundhw; c->name; ++c) {
105 c->init.init_isa(pic);
112 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
113 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
115 static void cpu_request_exit(void *opaque, int irq, int level)
117 CPUState *env = cpu_single_env;
125 void mips_jazz_init (ram_addr_t ram_size,
126 const char *cpu_model,
127 enum jazz_model_e jazz_model)
132 qemu_irq *rc4030, *i8259;
135 int s_rtc, s_dma_dummy;
138 DriveInfo *fds[MAX_FD];
140 qemu_irq *cpu_exit_irq;
141 ram_addr_t ram_offset;
142 ram_addr_t bios_offset;
145 if (cpu_model == NULL) {
149 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
153 env = cpu_init(cpu_model);
155 fprintf(stderr, "Unable to find CPU definition\n");
158 qemu_register_reset(main_cpu_reset, env);
161 ram_offset = qemu_ram_alloc(ram_size);
162 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
164 bios_offset = qemu_ram_alloc(MAGNUM_BIOS_SIZE);
165 cpu_register_physical_memory(0x1fc00000LL,
166 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
167 cpu_register_physical_memory(0xfff00000LL,
168 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
170 /* load the BIOS image. */
171 if (bios_name == NULL)
172 bios_name = BIOS_FILENAME;
173 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
175 bios_size = load_image_targphys(filename, 0xfff00000LL,
181 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
182 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
187 /* Init CPU internal devices */
188 cpu_mips_irq_init_cpu(env);
189 cpu_mips_clock_init(env);
192 rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
193 s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL);
194 cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
197 i8259 = i8259_init(env->irq[4]);
200 cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
201 DMA_init(0, cpu_exit_irq);
202 pit = pit_init(0x40, i8259[0]);
205 /* ISA IO space at 0x90000000 */
206 #ifdef TARGET_WORDS_BIGENDIAN
207 isa_mmio_init(0x90000000, 0x01000000, 1);
209 isa_mmio_init(0x90000000, 0x01000000, 0);
212 isa_mem_base = 0x11000000;
215 switch (jazz_model) {
217 g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
220 isa_vga_mm_init(0x40000000, 0x60000000, 0);
226 /* Network controller */
227 for (n = 0; n < nb_nics; n++) {
230 nd->model = qemu_strdup("dp83932");
231 if (strcmp(nd->model, "dp83932") == 0) {
232 dp83932_init(nd, 0x80001000, 2, rc4030[4],
233 rc4030_opaque, rc4030_dma_memory_rw);
235 } else if (strcmp(nd->model, "?") == 0) {
236 fprintf(stderr, "qemu: Supported NICs: dp83932\n");
239 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
245 esp_init(0x80002000, 0,
246 rc4030_dma_read, rc4030_dma_write, dmas[0],
247 rc4030[5], &esp_reset);
250 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
251 fprintf(stderr, "qemu: too many floppy drives\n");
254 for (n = 0; n < MAX_FD; n++) {
255 fds[n] = drive_get(IF_FLOPPY, 0, n);
257 fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);
259 /* Real time clock */
260 rtc_init(1980, NULL);
261 s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL);
262 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
264 /* Keyboard (i8042) */
265 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
269 #ifdef TARGET_WORDS_BIGENDIAN
270 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 1);
272 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 0);
276 #ifdef TARGET_WORDS_BIGENDIAN
277 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 1);
279 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 0);
285 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
288 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
291 /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
292 ds1225y_init(0x80009000, "nvram");
295 jazz_led_init(0x8000f000);
299 void mips_magnum_init (ram_addr_t ram_size,
300 const char *boot_device,
301 const char *kernel_filename, const char *kernel_cmdline,
302 const char *initrd_filename, const char *cpu_model)
304 mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM);
308 void mips_pica61_init (ram_addr_t ram_size,
309 const char *boot_device,
310 const char *kernel_filename, const char *kernel_cmdline,
311 const char *initrd_filename, const char *cpu_model)
313 mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61);
316 static QEMUMachine mips_magnum_machine = {
318 .desc = "MIPS Magnum",
319 .init = mips_magnum_init,
323 static QEMUMachine mips_pica61_machine = {
325 .desc = "Acer Pica 61",
326 .init = mips_pica61_init,
330 static void mips_jazz_machine_init(void)
332 qemu_register_machine(&mips_magnum_machine);
333 qemu_register_machine(&mips_pica61_machine);
336 machine_init(mips_jazz_machine_init);