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1.1 root 1: /*
2: * QEMU Acer Pica Machine support
3: *
4: * Copyright (c) 2007 Herv� Poussineau
5: *
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:
12: *
13: * The above copyright notice and this permission notice shall be included in
14: * all copies or substantial portions of the Software.
15: *
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
22: * THE SOFTWARE.
23: */
24:
25: #include "hw.h"
26: #include "mips.h"
27: #include "isa.h"
28: #include "pc.h"
29: #include "fdc.h"
30: #include "sysemu.h"
31: #include "boards.h"
32:
33: #ifdef TARGET_WORDS_BIGENDIAN
34: #define BIOS_FILENAME "mips_bios.bin"
35: #else
36: #define BIOS_FILENAME "mipsel_bios.bin"
37: #endif
38:
39: #ifdef TARGET_MIPS64
40: #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL)
41: #else
42: #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU)
43: #endif
44:
45: #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
46:
47: #define MAX_IDE_BUS 2
48: #define MAX_FD 2
49:
50: static const int ide_iobase[2] = { 0x1f0, 0x170 };
51: static const int ide_iobase2[2] = { 0x3f6, 0x376 };
52: static const int ide_irq[2] = { 14, 15 };
53:
54: static uint32_t serial_base[MAX_SERIAL_PORTS] = { 0x80006000, 0x80007000 };
55: static int serial_irq[MAX_SERIAL_PORTS] = { 8, 9 };
56:
57: extern FILE *logfile;
58:
59: static void main_cpu_reset(void *opaque)
60: {
61: CPUState *env = opaque;
62: cpu_reset(env);
63: }
64:
65: static
66: void mips_pica61_init (int ram_size, int vga_ram_size,
67: const char *boot_device, DisplayState *ds,
68: const char *kernel_filename, const char *kernel_cmdline,
69: const char *initrd_filename, const char *cpu_model)
70: {
71: char buf[1024];
72: unsigned long bios_offset;
73: int bios_size;
74: CPUState *env;
75: int i;
76: int available_ram;
77: qemu_irq *i8259;
78: int index;
79: BlockDriverState *fd[MAX_FD];
80:
81: /* init CPUs */
82: if (cpu_model == NULL) {
83: #ifdef TARGET_MIPS64
84: cpu_model = "R4000";
85: #else
86: /* FIXME: All wrong, this maybe should be R3000 for the older PICAs. */
87: cpu_model = "24Kf";
88: #endif
89: }
90: env = cpu_init(cpu_model);
91: if (!env) {
92: fprintf(stderr, "Unable to find CPU definition\n");
93: exit(1);
94: }
95: register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
96: qemu_register_reset(main_cpu_reset, env);
97:
98: /* allocate RAM (limited to 256 MB) */
99: if (ram_size < 256 * 1024 * 1024)
100: available_ram = ram_size;
101: else
102: available_ram = 256 * 1024 * 1024;
103: cpu_register_physical_memory(0, available_ram, IO_MEM_RAM);
104:
105: /* load a BIOS image */
106: bios_offset = ram_size + vga_ram_size;
107: if (bios_name == NULL)
108: bios_name = BIOS_FILENAME;
109: snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
110: bios_size = load_image(buf, phys_ram_base + bios_offset);
111: if ((bios_size <= 0) || (bios_size > BIOS_SIZE)) {
112: /* fatal */
113: fprintf(stderr, "qemu: Error, could not load MIPS bios '%s'\n",
114: buf);
115: exit(1);
116: }
117: cpu_register_physical_memory(0x1fc00000,
118: BIOS_SIZE, bios_offset | IO_MEM_ROM);
119:
120: /* Device map
121: *
122: * addr 0xe0004000: mc146818
123: * addr 0xe0005000 intr 6: ps2 keyboard
124: * addr 0xe0005000 intr 7: ps2 mouse
125: * addr 0xe0006000 intr 8: ns16550a,
126: * addr 0xe0007000 intr 9: ns16550a
127: * isa_io_base 0xe2000000 isa_mem_base 0xe3000000
128: */
129:
130: /* Init CPU internal devices */
131: cpu_mips_irq_init_cpu(env);
132: cpu_mips_clock_init(env);
133: cpu_mips_irqctrl_init();
134:
135: /* Register 64 KB of ISA IO space at 0x10000000 */
136: isa_mmio_init(0x10000000, 0x00010000);
137: isa_mem_base = 0x11000000;
138:
139: /* PC style IRQ (i8259/i8254) and DMA (i8257) */
140: /* The PIC is attached to the MIPS CPU INT0 pin */
141: i8259 = i8259_init(env->irq[2]);
142: rtc_mm_init(0x80004070, 1, i8259[14]);
143: pit_init(0x40, 0);
144:
145: /* Keyboard (i8042) */
146: i8042_mm_init(i8259[6], i8259[7], 0x80005060, 0);
147:
148: /* IDE controller */
149:
150: if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
151: fprintf(stderr, "qemu: too many IDE bus\n");
152: exit(1);
153: }
154:
155: for(i = 0; i < MAX_IDE_BUS; i++) {
156: int hd0, hd1;
157: hd0 = drive_get_index(IF_IDE, i, 0);
158: hd1 = drive_get_index(IF_IDE, i, 1);
159: isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
160: hd0 == -1 ? NULL : drives_table[hd0].bdrv,
161: hd1 == -1 ? NULL : drives_table[hd1].bdrv);
162: }
163:
164: /* Network controller */
165: /* FIXME: missing NS SONIC DP83932 */
166:
167: /* SCSI adapter */
168: /* FIXME: missing NCR 53C94 */
169:
170: /* ISA devices (floppy, serial, parallel) */
171:
172: for (i = 0; i < MAX_FD; i++) {
173: index = drive_get_index(IF_FLOPPY, 0, i);
174: if (index == -1)
175: fd[i] = NULL;
176: else
177: fd[i] = drives_table[index].bdrv;
178: }
179: fdctrl_init(i8259[1], 1, 1, 0x80003000, fd);
180: for(i = 0; i < MAX_SERIAL_PORTS; i++) {
181: if (serial_hds[i]) {
182: serial_mm_init(serial_base[i], 0, i8259[serial_irq[i]], serial_hds[i], 1);
183: }
184: }
185: /* Parallel port */
186: if (parallel_hds[0]) parallel_mm_init(0x80008000, 0, i8259[1], parallel_hds[0]);
187:
188: /* Sound card */
189: /* FIXME: missing Jazz sound, IRQ 18 */
190:
191: /* LED indicator */
192: /* FIXME: missing LED indicator */
193:
194: /* NVRAM */
195: ds1225y_init(0x80009000, "nvram");
196:
197: /* Video card */
198: /* FIXME: This card is not the real one which was in the original PICA,
199: * but let's do with what Qemu currenly emulates... */
200: isa_vga_mm_init(ds, phys_ram_base + ram_size, ram_size, vga_ram_size,
201: 0x40000000, 0x60000000, 0);
202:
203: /* LED indicator */
204: jazz_led_init(ds, 0x8000f000);
205: }
206:
207: QEMUMachine mips_pica61_machine = {
208: "pica61",
209: "Acer Pica 61",
210: mips_pica61_init,
211: };
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