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 "arch_init.h"
36 #include "mips-bios.h"
38 #include "mc146818rtc.h"
48 static void main_cpu_reset(void *opaque)
50 CPUState *env = opaque;
54 static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr)
59 static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
61 cpu_outw(0x71, val & 0xff);
64 static CPUReadMemoryFunc * const rtc_read[3] = {
70 static CPUWriteMemoryFunc * const rtc_write[3] = {
76 static void dma_dummy_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
78 /* Nothing to do. That is only to ensure that
79 * the current DMA acknowledge cycle is completed. */
82 static CPUReadMemoryFunc * const dma_dummy_read[3] = {
88 static CPUWriteMemoryFunc * const dma_dummy_write[3] = {
94 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
95 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
97 static void cpu_request_exit(void *opaque, int irq, int level)
99 CPUState *env = cpu_single_env;
107 void mips_jazz_init (ram_addr_t ram_size,
108 const char *cpu_model,
109 enum jazz_model_e jazz_model)
114 qemu_irq *rc4030, *i8259;
117 int s_rtc, s_dma_dummy;
120 SysBusDevice *sysbus;
122 DriveInfo *fds[MAX_FD];
123 qemu_irq esp_reset, dma_enable;
124 qemu_irq *cpu_exit_irq;
125 ram_addr_t ram_offset;
126 ram_addr_t bios_offset;
129 if (cpu_model == NULL) {
133 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
137 env = cpu_init(cpu_model);
139 fprintf(stderr, "Unable to find CPU definition\n");
142 qemu_register_reset(main_cpu_reset, env);
145 ram_offset = qemu_ram_alloc(NULL, "mips_jazz.ram", ram_size);
146 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
148 bios_offset = qemu_ram_alloc(NULL, "mips_jazz.bios", MAGNUM_BIOS_SIZE);
149 cpu_register_physical_memory(0x1fc00000LL,
150 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
151 cpu_register_physical_memory(0xfff00000LL,
152 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
154 /* load the BIOS image. */
155 if (bios_name == NULL)
156 bios_name = BIOS_FILENAME;
157 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
159 bios_size = load_image_targphys(filename, 0xfff00000LL,
165 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
166 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
171 /* Init CPU internal devices */
172 cpu_mips_irq_init_cpu(env);
173 cpu_mips_clock_init(env);
176 rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas);
177 s_dma_dummy = cpu_register_io_memory(dma_dummy_read, dma_dummy_write, NULL,
178 DEVICE_NATIVE_ENDIAN);
179 cpu_register_physical_memory(0x8000d000, 0x00001000, s_dma_dummy);
182 i8259 = i8259_init(env->irq[4]);
185 cpu_exit_irq = qemu_allocate_irqs(cpu_request_exit, NULL, 1);
186 DMA_init(0, cpu_exit_irq);
187 pit = pit_init(0x40, 0);
190 /* ISA IO space at 0x90000000 */
191 isa_mmio_init(0x90000000, 0x01000000);
192 isa_mem_base = 0x11000000;
195 switch (jazz_model) {
197 g364fb_mm_init(0x40000000, 0x60000000, 0, rc4030[3]);
200 isa_vga_mm_init(0x40000000, 0x60000000, 0);
206 /* Network controller */
207 for (n = 0; n < nb_nics; n++) {
210 nd->model = qemu_strdup("dp83932");
211 if (strcmp(nd->model, "dp83932") == 0) {
212 dp83932_init(nd, 0x80001000, 2, rc4030[4],
213 rc4030_opaque, rc4030_dma_memory_rw);
215 } else if (strcmp(nd->model, "?") == 0) {
216 fprintf(stderr, "qemu: Supported NICs: dp83932\n");
219 fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd->model);
225 esp_init(0x80002000, 0,
226 rc4030_dma_read, rc4030_dma_write, dmas[0],
227 rc4030[5], &esp_reset, &dma_enable);
230 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
231 fprintf(stderr, "qemu: too many floppy drives\n");
234 for (n = 0; n < MAX_FD; n++) {
235 fds[n] = drive_get(IF_FLOPPY, 0, n);
237 fdctrl_init_sysbus(rc4030[1], 0, 0x80003000, fds);
239 /* Real time clock */
240 rtc_init(1980, NULL);
241 s_rtc = cpu_register_io_memory(rtc_read, rtc_write, NULL,
242 DEVICE_NATIVE_ENDIAN);
243 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
245 /* Keyboard (i8042) */
246 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0x1000, 0x1);
250 #ifdef TARGET_WORDS_BIGENDIAN
251 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 1);
253 serial_mm_init(0x80006000, 0, rc4030[8], 8000000/16, serial_hds[0], 1, 0);
257 #ifdef TARGET_WORDS_BIGENDIAN
258 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 1);
260 serial_mm_init(0x80007000, 0, rc4030[9], 8000000/16, serial_hds[1], 1, 0);
266 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
269 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
270 audio_init(i8259, NULL);
273 dev = qdev_create(NULL, "ds1225y");
274 qdev_init_nofail(dev);
275 sysbus = sysbus_from_qdev(dev);
276 sysbus_mmio_map(sysbus, 0, 0x80009000);
279 jazz_led_init(0x8000f000);
283 void mips_magnum_init (ram_addr_t ram_size,
284 const char *boot_device,
285 const char *kernel_filename, const char *kernel_cmdline,
286 const char *initrd_filename, const char *cpu_model)
288 mips_jazz_init(ram_size, cpu_model, JAZZ_MAGNUM);
292 void mips_pica61_init (ram_addr_t ram_size,
293 const char *boot_device,
294 const char *kernel_filename, const char *kernel_cmdline,
295 const char *initrd_filename, const char *cpu_model)
297 mips_jazz_init(ram_size, cpu_model, JAZZ_PICA61);
300 static QEMUMachine mips_magnum_machine = {
302 .desc = "MIPS Magnum",
303 .init = mips_magnum_init,
307 static QEMUMachine mips_pica61_machine = {
309 .desc = "Acer Pica 61",
310 .init = mips_pica61_init,
314 static void mips_jazz_machine_init(void)
316 qemu_register_machine(&mips_magnum_machine);
317 qemu_register_machine(&mips_pica61_machine);
320 machine_init(mips_jazz_machine_init);