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"
47 static void main_cpu_reset(void *opaque)
49 CPUState *env = opaque;
53 static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr)
58 static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
60 cpu_outw(0x71, val & 0xff);
63 static CPUReadMemoryFunc * const rtc_read[3] = {
69 static CPUWriteMemoryFunc * const rtc_write[3] = {
75 static void dma_dummy_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
77 /* Nothing to do. That is only to ensure that
78 * the current DMA acknowledge cycle is completed. */
81 static CPUReadMemoryFunc * const dma_dummy_read[3] = {
87 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);
113 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
114 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
116 static void cpu_request_exit(void *opaque, int irq, int level)
118 CPUState *env = cpu_single_env;
126 void mips_jazz_init (ram_addr_t ram_size,
127 const char *cpu_model,
128 enum jazz_model_e jazz_model)
133 qemu_irq *rc4030, *i8259;
136 int s_rtc, s_dma_dummy;
139 DriveInfo *fds[MAX_FD];
140 qemu_irq esp_reset, dma_enable;
141 qemu_irq *cpu_exit_irq;
142 ram_addr_t ram_offset;
143 ram_addr_t bios_offset;
146 if (cpu_model == NULL) {
150 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
154 env = cpu_init(cpu_model);
156 fprintf(stderr, "Unable to find CPU definition\n");
159 qemu_register_reset(main_cpu_reset, env);
162 ram_offset = qemu_ram_alloc(NULL, "mips_jazz.ram", ram_size);
163 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
165 bios_offset = qemu_ram_alloc(NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE);
166 cpu_register_physical_memory(0x1fc00000LL,
167 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
168 cpu_register_physical_memory(0xfff00000LL,
169 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
171 /* load the BIOS image. */
172 if (bios_name == NULL)
173 bios_name = BIOS_FILENAME;
174 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
176 bios_size = load_image_targphys(filename, 0xfff00000LL,
182 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
183 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
188 /* Init CPU internal devices */
189 cpu_mips_irq_init_cpu(env);
190 cpu_mips_clock_init(env);
193 rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
194 s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL);
195 cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
198 i8259 = i8259_init(env->irq[4]);
201 cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
202 DMA_init(0, cpu_exit_irq);
203 pit = pit_init(0x40, i8259[0]);
206 /* ISA IO space at 0x90000000 */
207 #ifdef TARGET_WORDS_BIGENDIAN
208 isa_mmio_init(0x90000000, 0x01000000, 1);
210 isa_mmio_init(0x90000000, 0x01000000, 0);
213 isa_mem_base = 0x11000000;
216 switch (jazz_model) {
218 g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
221 isa_vga_mm_init(0x40000000, 0x60000000, 0);
227 /* Network controller */
228 for (n = 0; n < nb_nics; n++) {
231 nd->model = qemu_strdup("dp83932");
232 if (strcmp(nd->model, "dp83932") == 0) {
233 dp83932_init(nd, 0x80001000, 2, rc4030[4],
234 rc4030_opaque, rc4030_dma_memory_rw);
236 } else if (strcmp(nd->model, "?") == 0) {
237 fprintf(stderr, "qemu: Supported NICs: dp83932\n");
240 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
246 esp_init(0x80002000, 0,
247 rc4030_dma_read, rc4030_dma_write, dmas[0],
248 rc4030[5], &esp_reset, &dma_enable);
251 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
252 fprintf(stderr, "qemu: too many floppy drives\n");
255 for (n = 0; n < MAX_FD; n++) {
256 fds[n] = drive_get(IF_FLOPPY, 0, n);
258 fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);
260 /* Real time clock */
261 rtc_init(1980, NULL);
262 s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL);
263 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
265 /* Keyboard (i8042) */
266 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
270 #ifdef TARGET_WORDS_BIGENDIAN
271 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 1);
273 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 0);
277 #ifdef TARGET_WORDS_BIGENDIAN
278 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 1);
280 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 0);
286 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
289 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
292 /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
293 ds1225y_init(0x80009000, "nvram");
296 jazz_led_init(0x8000f000);
300 void mips_magnum_init (ram_addr_t ram_size,
301 const char *boot_device,
302 const char *kernel_filename, const char *kernel_cmdline,
303 const char *initrd_filename, const char *cpu_model)
305 mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM);
309 void mips_pica61_init (ram_addr_t ram_size,
310 const char *boot_device,
311 const char *kernel_filename, const char *kernel_cmdline,
312 const char *initrd_filename, const char *cpu_model)
314 mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61);
317 static QEMUMachine mips_magnum_machine = {
319 .desc = "MIPS Magnum",
320 .init = mips_magnum_init,
324 static QEMUMachine mips_pica61_machine = {
326 .desc = "Acer Pica 61",
327 .init = mips_pica61_init,
331 static void mips_jazz_machine_init(void)
333 qemu_register_machine(&mips_magnum_machine);
334 qemu_register_machine(&mips_pica61_machine);
337 machine_init(mips_jazz_machine_init);