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
31 #include "audio/audio.h"
35 #include "mips-bios.h"
43 static void main_cpu_reset(void *opaque)
45 CPUState *env = opaque;
49 static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr)
51 CPUState *env = opaque;
52 return cpu_inw(env, 0x71);
55 static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
57 CPUState *env = opaque;
58 cpu_outw(env, 0x71, val & 0xff);
61 static CPUReadMemoryFunc *rtc_read[3] = {
67 static CPUWriteMemoryFunc *rtc_write[3] = {
73 static void dma_dummy_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
75 /* Nothing to do. That is only to ensure that
76 * the current DMA acknowledge cycle is completed. */
79 static CPUReadMemoryFunc *dma_dummy_read[3] = {
85 static CPUWriteMemoryFunc *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);
113 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
114 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
117 void mips_jazz_init (ram_addr_t ram_size,
118 const char *cpu_model,
119 enum jazz_model_e jazz_model)
124 qemu_irq *rc4030, *i8259;
127 int s_rtc, s_dma_dummy;
130 BlockDriverState *fds[MAX_FD];
132 ram_addr_t ram_offset;
133 ram_addr_t bios_offset;
136 if (cpu_model == NULL) {
140 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
144 env = cpu_init(cpu_model);
146 fprintf(stderr, "Unable to find CPU definition\n");
149 qemu_register_reset(main_cpu_reset, 0, env);
152 ram_offset = qemu_ram_alloc(ram_size);
153 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
155 bios_offset = qemu_ram_alloc(MAGNUM_BIOS_SIZE);
156 cpu_register_physical_memory(0x1fc00000LL,
157 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
158 cpu_register_physical_memory(0xfff00000LL,
159 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
161 /* load the BIOS image. */
162 if (bios_name == NULL)
163 bios_name = BIOS_FILENAME;
164 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
165 bios_size = load_image_targphys(buf, 0xfff00000LL, MAGNUM_BIOS_SIZE);
166 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
167 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
172 /* Init CPU internal devices */
173 cpu_mips_irq_init_cpu(env);
174 cpu_mips_clock_init(env);
177 rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
178 s_dma_dummy = cpu_register_io_memory(0, dma_dummy_read, dma_dummy_write, NULL);
179 cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
182 i8259 = i8259_init(env->irq[4]);
184 pit = pit_init(0x40, i8259[0]);
187 /* ISA IO space at 0x90000000 */
188 isa_mmio_init(0x90000000, 0x01000000);
189 isa_mem_base = 0x11000000;
192 switch (jazz_model) {
194 g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
197 isa_vga_mm_init(0x40000000, 0x60000000, 0);
203 /* Network controller */
204 for (n = 0; n < nb_nics; n++) {
207 nd->model = "dp83932";
208 if (strcmp(nd->model, "dp83932") == 0) {
209 dp83932_init(nd, 0x80001000, 2, rc4030[4],
210 rc4030_opaque, rc4030_dma_memory_rw);
212 } else if (strcmp(nd->model, "?") == 0) {
213 fprintf(stderr, "qemu: Supported NICs: dp83932\n");
216 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
222 esp_init(0x80002000, 0,
223 rc4030_dma_read, rc4030_dma_write, dmas[0],
224 rc4030[5], &esp_reset);
227 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
228 fprintf(stderr, "qemu: too many floppy drives\n");
231 for (n = 0; n < MAX_FD; n++) {
232 int fd = drive_get_index(IF_FLOPPY, 0, n);
234 fds[n] = drives_table[fd].bdrv;
238 fdctrl_init(rc4030[1], 0, 1, 0x80003000, fds);
240 /* Real time clock */
241 rtc_init(0x70, i8259[8], 1980);
242 s_rtc = cpu_register_io_memory(0, rtc_read, rtc_write, env);
243 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
245 /* Keyboard (i8042) */
246 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
250 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1);
252 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1);
256 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
259 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
264 /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
265 ds1225y_init(0x80009000, "nvram");
268 jazz_led_init(0x8000f000);
272 void mips_magnum_init (ram_addr_t ram_size,
273 const char *boot_device,
274 const char *kernel_filename, const char *kernel_cmdline,
275 const char *initrd_filename, const char *cpu_model)
277 mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM);
281 void mips_pica61_init (ram_addr_t ram_size,
282 const char *boot_device,
283 const char *kernel_filename, const char *kernel_cmdline,
284 const char *initrd_filename, const char *cpu_model)
286 mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61);
289 static QEMUMachine mips_magnum_machine = {
291 .desc = "MIPS Magnum",
292 .init = mips_magnum_init,
296 static QEMUMachine mips_pica61_machine = {
298 .desc = "Acer Pica 61",
299 .init = mips_pica61_init,
303 static void mips_jazz_machine_init(void)
305 qemu_register_machine(&mips_magnum_machine);
306 qemu_register_machine(&mips_pica61_machine);
309 machine_init(mips_jazz_machine_init);