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"
38 #ifdef TARGET_WORDS_BIGENDIAN
39 #define BIOS_FILENAME "mips_bios.bin"
41 #define BIOS_FILENAME "mipsel_bios.bin"
45 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL)
47 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU)
49 #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
56 static void main_cpu_reset(void *opaque)
58 CPUState *env = opaque;
62 static uint32_t rtc_readb(void *opaque, target_phys_addr_t addr)
64 CPUState *env = opaque;
65 return cpu_inw(env, 0x71);
68 static void rtc_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
70 CPUState *env = opaque;
71 cpu_outw(env, 0x71, val & 0xff);
74 static CPUReadMemoryFunc *rtc_read[3] = {
80 static CPUWriteMemoryFunc *rtc_write[3] = {
87 static void audio_init(qemu_irq *pic)
90 int audio_enabled = 0;
92 for (c = soundhw; !audio_enabled && c->name; ++c) {
93 audio_enabled = c->enabled;
101 for (c = soundhw; c->name; ++c) {
104 c->init.init_isa(s, pic);
113 void espdma_memory_read(void *opaque, uint8_t *buf, int len)
115 printf("espdma_memory_read(buf %p, len %d) not implemented\n", buf, len);
118 void espdma_memory_write(void *opaque, uint8_t *buf, int len)
120 printf("espdma_memory_write(buf %p, len %d) not implemented\n", buf, len);
123 #define MAGNUM_BIOS_SIZE_MAX 0x7e000
124 #define MAGNUM_BIOS_SIZE (BIOS_SIZE < MAGNUM_BIOS_SIZE_MAX ? BIOS_SIZE : MAGNUM_BIOS_SIZE_MAX)
127 void mips_jazz_init (int ram_size, int vga_ram_size,
128 DisplayState *ds, const char *cpu_model,
129 enum jazz_model_e jazz_model)
132 unsigned long bios_offset;
135 qemu_irq *rc4030, *i8259;
140 BlockDriverState *fds[MAX_FD];
144 if (cpu_model == NULL) {
148 /* FIXME: All wrong, this maybe should be R3000 for the older JAZZs. */
152 env = cpu_init(cpu_model);
154 fprintf(stderr, "Unable to find CPU definition\n");
157 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
158 qemu_register_reset(main_cpu_reset, env);
161 cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
163 /* load the BIOS image. */
164 bios_offset = ram_size + vga_ram_size;
165 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME);
166 bios_size = load_image(buf, phys_ram_base + bios_offset);
167 if (bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) {
168 fprintf(stderr, "qemu: Could not load MIPS bios '%s'\n",
173 cpu_register_physical_memory(0x1fc00000LL,
174 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
175 cpu_register_physical_memory(0xfff00000LL,
176 MAGNUM_BIOS_SIZE, bios_offset | IO_MEM_ROM);
178 /* Init CPU internal devices */
179 cpu_mips_irq_init_cpu(env);
180 cpu_mips_clock_init(env);
183 rc4030 = rc4030_init(env->irq[6], env->irq[3]);
186 i8259 = i8259_init(env->irq[4]);
187 pit = pit_init(0x40, i8259[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(ds, vga_ram_size, 0, 0x40000000, 0x60000000);
203 /* Network controller */
204 /* FIXME: missing NS SONIC DP83932 */
207 scsi_hba = esp_init(0x80002000,
208 espdma_memory_read, espdma_memory_write, NULL,
209 rc4030[5], &esp_reset);
210 for (n = 0; n < ESP_MAX_DEVS; n++) {
211 hd = drive_get_index(IF_SCSI, 0, n);
213 esp_scsi_attach(scsi_hba, drives_table[hd].bdrv, n);
218 if (drive_get_max_bus(IF_FLOPPY) >= MAX_FD) {
219 fprintf(stderr, "qemu: too many floppy drives\n");
222 for (n = 0; n < MAX_FD; n++) {
223 int fd = drive_get_index(IF_FLOPPY, 0, n);
225 fds[n] = drives_table[fd].bdrv;
229 fdctrl_init(rc4030[1], 0, 1, 0x80003000, fds);
231 /* Real time clock */
232 rtc_init(0x70, i8259[8]);
233 s_rtc = cpu_register_io_memory(0, rtc_read, rtc_write, env);
234 cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
236 /* Keyboard (i8042) */
237 i8042_mm_init(rc4030[6], rc4030[7], 0x80005000, 0);
241 serial_mm_init(0x80006000, 0, rc4030[8], serial_hds[0], 1);
243 serial_mm_init(0x80007000, 0, rc4030[9], serial_hds[1], 1);
247 parallel_mm_init(0x80008000, 0, rc4030[0], parallel_hds[0]);
250 /* FIXME: missing Jazz sound at 0x8000c000, rc4030[2] */
255 /* NVRAM: Unprotected at 0x9000, Protected at 0xa000, Read only at 0xb000 */
256 ds1225y_init(0x80009000, "nvram");
259 jazz_led_init(ds, 0x8000f000);
263 void mips_magnum_init (int ram_size, int vga_ram_size,
264 const char *boot_device, DisplayState *ds,
265 const char *kernel_filename, const char *kernel_cmdline,
266 const char *initrd_filename, const char *cpu_model)
268 mips_jazz_init(ram_size, vga_ram_size, ds, cpu_model, JAZZ_MAGNUM);
271 QEMUMachine mips_magnum_machine = {