2 * QEMU Acer Pica Machine support
4 * Copyright (c) 2007 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 #ifdef TARGET_WORDS_BIGENDIAN
28 #define BIOS_FILENAME "mips_bios.bin"
30 #define BIOS_FILENAME "mipsel_bios.bin"
34 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL)
36 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU)
39 #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
41 static const int ide_iobase
[2] = { 0x1f0, 0x170 };
42 static const int ide_iobase2
[2] = { 0x3f6, 0x376 };
43 static const int ide_irq
[2] = { 14, 15 };
45 static uint32_t serial_base
[MAX_SERIAL_PORTS
] = { 0x80006000, 0x80007000 };
46 static int serial_irq
[MAX_SERIAL_PORTS
] = { 8, 9 };
50 static void main_cpu_reset(void *opaque
)
52 CPUState
*env
= opaque
;
54 cpu_mips_register(env
, NULL
);
58 void mips_pica61_init (int ram_size
, int vga_ram_size
, int boot_device
,
59 DisplayState
*ds
, const char **fd_filename
, int snapshot
,
60 const char *kernel_filename
, const char *kernel_cmdline
,
61 const char *initrd_filename
, const char *cpu_model
)
64 unsigned long bios_offset
;
73 if (cpu_model
== NULL
) {
77 /* FIXME: All wrong, this maybe should be R3000 for the older PICAs. */
81 if (mips_find_by_name(cpu_model
, &def
) != 0)
84 cpu_mips_register(env
, def
);
85 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
86 qemu_register_reset(main_cpu_reset
, env
);
88 /* allocate RAM (limited to 256 MB) */
89 if (ram_size
< 256 * 1024 * 1024)
90 available_ram
= ram_size
;
92 available_ram
= 256 * 1024 * 1024;
93 cpu_register_physical_memory(0, available_ram
, IO_MEM_RAM
);
95 /* load a BIOS image */
96 bios_offset
= ram_size
+ vga_ram_size
;
97 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, BIOS_FILENAME
);
98 bios_size
= load_image(buf
, phys_ram_base
+ bios_offset
);
99 if ((bios_size
<= 0) || (bios_size
> BIOS_SIZE
)) {
101 fprintf(stderr
, "qemu: Error, could not load MIPS bios '%s'\n",
105 cpu_register_physical_memory(0x1fc00000,
106 BIOS_SIZE
, bios_offset
| IO_MEM_ROM
);
110 * addr 0xe0004000: mc146818
111 * addr 0xe0005000 intr 6: ps2 keyboard
112 * addr 0xe0005000 intr 7: ps2 mouse
113 * addr 0xe0006000 intr 8: ns16550a,
114 * addr 0xe0007000 intr 9: ns16550a
115 * isa_io_base 0xe2000000 isa_mem_base 0xe3000000
118 /* Init CPU internal devices */
119 cpu_mips_irq_init_cpu(env
);
120 cpu_mips_clock_init(env
);
121 cpu_mips_irqctrl_init();
123 /* Register 64 KB of ISA IO space at 0x10000000 */
124 isa_mmio_init(0x10000000, 0x00010000);
125 isa_mem_base
= 0x11000000;
127 /* PC style IRQ (i8259/i8254) and DMA (i8257) */
128 /* The PIC is attached to the MIPS CPU INT0 pin */
129 i8259
= i8259_init(env
->irq
[2]);
130 rtc_mm_init(0x80004070, 1, i8259
[14]);
133 /* Keyboard (i8042) */
134 i8042_mm_init(i8259
[6], i8259
[7], 0x80005060, 0);
137 for(i
= 0; i
< 2; i
++)
138 isa_ide_init(ide_iobase
[i
], ide_iobase2
[i
], i8259
[ide_irq
[i
]],
139 bs_table
[2 * i
], bs_table
[2 * i
+ 1]);
141 /* Network controller */
142 /* FIXME: missing NS SONIC DP83932 */
145 /* FIXME: missing NCR 53C94 */
147 /* ISA devices (floppy, serial, parallel) */
148 fdctrl_init(i8259
[1], 1, 1, 0x80003000, fd_table
);
149 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
151 serial_mm_init(serial_base
[i
], 0, i8259
[serial_irq
[i
]], serial_hds
[i
], 1);
155 if (parallel_hds
[0]) parallel_mm_init(0x80008000, 0, i8259
[1], parallel_hds
[0]);
158 /* FIXME: missing Jazz sound, IRQ 18 */
161 /* FIXME: missing LED indicator */
164 ds1225y_init(0x80009000, "nvram");
167 /* FIXME: This card is not the real one which was in the original PICA,
168 * but let's do with what Qemu currenly emulates... */
169 isa_vga_mm_init(ds
, phys_ram_base
+ ram_size
, ram_size
, vga_ram_size
,
170 0x40000000, 0x60000000, 0);
173 jazz_led_init(ds
, 0x8000f000);
176 QEMUMachine mips_pica61_machine
= {