root / hw / mips_pica61.c @ 8f8e3aa4
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1 | ad6fe1d2 | ths | /*
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2 | 9566782b | ths | * QEMU Acer Pica Machine support
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3 | ad6fe1d2 | ths | *
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4 | ad6fe1d2 | ths | * Copyright (c) 2007 Herv? Poussineau
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5 | ad6fe1d2 | ths | *
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6 | ad6fe1d2 | ths | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | ad6fe1d2 | ths | * of this software and associated documentation files (the "Software"), to deal
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8 | ad6fe1d2 | ths | * in the Software without restriction, including without limitation the rights
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9 | ad6fe1d2 | ths | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | ad6fe1d2 | ths | * copies of the Software, and to permit persons to whom the Software is
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11 | ad6fe1d2 | ths | * furnished to do so, subject to the following conditions:
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12 | ad6fe1d2 | ths | *
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13 | ad6fe1d2 | ths | * The above copyright notice and this permission notice shall be included in
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14 | ad6fe1d2 | ths | * all copies or substantial portions of the Software.
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15 | ad6fe1d2 | ths | *
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16 | ad6fe1d2 | ths | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | ad6fe1d2 | ths | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | ad6fe1d2 | ths | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | ad6fe1d2 | ths | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | ad6fe1d2 | ths | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | ad6fe1d2 | ths | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | ad6fe1d2 | ths | * THE SOFTWARE.
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23 | ad6fe1d2 | ths | */
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24 | ad6fe1d2 | ths | |
25 | 87ecb68b | pbrook | #include "hw.h" |
26 | 87ecb68b | pbrook | #include "mips.h" |
27 | 87ecb68b | pbrook | #include "isa.h" |
28 | 87ecb68b | pbrook | #include "pc.h" |
29 | 87ecb68b | pbrook | #include "fdc.h" |
30 | 87ecb68b | pbrook | #include "sysemu.h" |
31 | 87ecb68b | pbrook | #include "boards.h" |
32 | ad6fe1d2 | ths | |
33 | ad6fe1d2 | ths | #ifdef TARGET_WORDS_BIGENDIAN
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34 | ad6fe1d2 | ths | #define BIOS_FILENAME "mips_bios.bin" |
35 | ad6fe1d2 | ths | #else
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36 | ad6fe1d2 | ths | #define BIOS_FILENAME "mipsel_bios.bin" |
37 | ad6fe1d2 | ths | #endif
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38 | ad6fe1d2 | ths | |
39 | ad6fe1d2 | ths | #ifdef TARGET_MIPS64
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40 | ad6fe1d2 | ths | #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL) |
41 | ad6fe1d2 | ths | #else
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42 | ad6fe1d2 | ths | #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU) |
43 | ad6fe1d2 | ths | #endif
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44 | ad6fe1d2 | ths | |
45 | ad6fe1d2 | ths | #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000)) |
46 | ad6fe1d2 | ths | |
47 | e4bcb14c | ths | #define MAX_IDE_BUS 2 |
48 | e4bcb14c | ths | #define MAX_FD 2 |
49 | e4bcb14c | ths | |
50 | ad6fe1d2 | ths | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
51 | ad6fe1d2 | ths | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; |
52 | ad6fe1d2 | ths | static const int ide_irq[2] = { 14, 15 }; |
53 | ad6fe1d2 | ths | |
54 | ad6fe1d2 | ths | static uint32_t serial_base[MAX_SERIAL_PORTS] = { 0x80006000, 0x80007000 }; |
55 | ad6fe1d2 | ths | static int serial_irq[MAX_SERIAL_PORTS] = { 8, 9 }; |
56 | ad6fe1d2 | ths | |
57 | ad6fe1d2 | ths | extern FILE *logfile;
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58 | ad6fe1d2 | ths | |
59 | ad6fe1d2 | ths | static void main_cpu_reset(void *opaque) |
60 | ad6fe1d2 | ths | { |
61 | ad6fe1d2 | ths | CPUState *env = opaque; |
62 | ad6fe1d2 | ths | cpu_reset(env); |
63 | ad6fe1d2 | ths | } |
64 | ad6fe1d2 | ths | |
65 | ad6fe1d2 | ths | static
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66 | b881c2c6 | blueswir1 | void mips_pica61_init (int ram_size, int vga_ram_size, |
67 | b881c2c6 | blueswir1 | const char *boot_device, DisplayState *ds, |
68 | ad6fe1d2 | ths | const char *kernel_filename, const char *kernel_cmdline, |
69 | ad6fe1d2 | ths | const char *initrd_filename, const char *cpu_model) |
70 | ad6fe1d2 | ths | { |
71 | ad6fe1d2 | ths | char buf[1024]; |
72 | ad6fe1d2 | ths | unsigned long bios_offset; |
73 | ad6fe1d2 | ths | int bios_size;
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74 | ad6fe1d2 | ths | CPUState *env; |
75 | ad6fe1d2 | ths | int i;
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76 | ad6fe1d2 | ths | int available_ram;
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77 | ad6fe1d2 | ths | qemu_irq *i8259; |
78 | e4bcb14c | ths | int index;
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79 | e4bcb14c | ths | BlockDriverState *fd[MAX_FD]; |
80 | ad6fe1d2 | ths | |
81 | ad6fe1d2 | ths | /* init CPUs */
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82 | ad6fe1d2 | ths | if (cpu_model == NULL) { |
83 | ad6fe1d2 | ths | #ifdef TARGET_MIPS64
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84 | ad6fe1d2 | ths | cpu_model = "R4000";
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85 | ad6fe1d2 | ths | #else
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86 | 1c32f43e | ths | /* FIXME: All wrong, this maybe should be R3000 for the older PICAs. */
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87 | 1c32f43e | ths | cpu_model = "24Kf";
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88 | ad6fe1d2 | ths | #endif
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89 | ad6fe1d2 | ths | } |
90 | aaed909a | bellard | env = cpu_init(cpu_model); |
91 | aaed909a | bellard | if (!env) {
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92 | aaed909a | bellard | fprintf(stderr, "Unable to find CPU definition\n");
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93 | aaed909a | bellard | exit(1);
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94 | aaed909a | bellard | } |
95 | ad6fe1d2 | ths | register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); |
96 | ad6fe1d2 | ths | qemu_register_reset(main_cpu_reset, env); |
97 | ad6fe1d2 | ths | |
98 | ad6fe1d2 | ths | /* allocate RAM (limited to 256 MB) */
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99 | ad6fe1d2 | ths | if (ram_size < 256 * 1024 * 1024) |
100 | ad6fe1d2 | ths | available_ram = ram_size; |
101 | ad6fe1d2 | ths | else
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102 | ad6fe1d2 | ths | available_ram = 256 * 1024 * 1024; |
103 | ad6fe1d2 | ths | cpu_register_physical_memory(0, available_ram, IO_MEM_RAM);
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104 | ad6fe1d2 | ths | |
105 | ad6fe1d2 | ths | /* load a BIOS image */
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106 | ad6fe1d2 | ths | bios_offset = ram_size + vga_ram_size; |
107 | 1192dad8 | j_mayer | if (bios_name == NULL) |
108 | 1192dad8 | j_mayer | bios_name = BIOS_FILENAME; |
109 | 1192dad8 | j_mayer | snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); |
110 | ad6fe1d2 | ths | bios_size = load_image(buf, phys_ram_base + bios_offset); |
111 | ad6fe1d2 | ths | if ((bios_size <= 0) || (bios_size > BIOS_SIZE)) { |
112 | ad6fe1d2 | ths | /* fatal */
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113 | ad6fe1d2 | ths | fprintf(stderr, "qemu: Error, could not load MIPS bios '%s'\n",
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114 | ad6fe1d2 | ths | buf); |
115 | ad6fe1d2 | ths | exit(1);
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116 | ad6fe1d2 | ths | } |
117 | ad6fe1d2 | ths | cpu_register_physical_memory(0x1fc00000,
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118 | ad6fe1d2 | ths | BIOS_SIZE, bios_offset | IO_MEM_ROM); |
119 | ad6fe1d2 | ths | |
120 | ad6fe1d2 | ths | /* Device map
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121 | ad6fe1d2 | ths | *
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122 | ad6fe1d2 | ths | * addr 0xe0004000: mc146818
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123 | ad6fe1d2 | ths | * addr 0xe0005000 intr 6: ps2 keyboard
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124 | ad6fe1d2 | ths | * addr 0xe0005000 intr 7: ps2 mouse
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125 | ad6fe1d2 | ths | * addr 0xe0006000 intr 8: ns16550a,
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126 | ad6fe1d2 | ths | * addr 0xe0007000 intr 9: ns16550a
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127 | ad6fe1d2 | ths | * isa_io_base 0xe2000000 isa_mem_base 0xe3000000
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128 | ad6fe1d2 | ths | */
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129 | ad6fe1d2 | ths | |
130 | ad6fe1d2 | ths | /* Init CPU internal devices */
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131 | ad6fe1d2 | ths | cpu_mips_irq_init_cpu(env); |
132 | ad6fe1d2 | ths | cpu_mips_clock_init(env); |
133 | ad6fe1d2 | ths | cpu_mips_irqctrl_init(); |
134 | ad6fe1d2 | ths | |
135 | ad6fe1d2 | ths | /* Register 64 KB of ISA IO space at 0x10000000 */
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136 | ad6fe1d2 | ths | isa_mmio_init(0x10000000, 0x00010000); |
137 | ad6fe1d2 | ths | isa_mem_base = 0x11000000;
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138 | ad6fe1d2 | ths | |
139 | ad6fe1d2 | ths | /* PC style IRQ (i8259/i8254) and DMA (i8257) */
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140 | ad6fe1d2 | ths | /* The PIC is attached to the MIPS CPU INT0 pin */
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141 | ad6fe1d2 | ths | i8259 = i8259_init(env->irq[2]);
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142 | 18c6e2ff | ths | rtc_mm_init(0x80004070, 1, i8259[14]); |
143 | ad6fe1d2 | ths | pit_init(0x40, 0); |
144 | ad6fe1d2 | ths | |
145 | ad6fe1d2 | ths | /* Keyboard (i8042) */
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146 | ad6fe1d2 | ths | i8042_mm_init(i8259[6], i8259[7], 0x80005060, 0); |
147 | ad6fe1d2 | ths | |
148 | ad6fe1d2 | ths | /* IDE controller */
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149 | e4bcb14c | ths | |
150 | e4bcb14c | ths | if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
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151 | e4bcb14c | ths | fprintf(stderr, "qemu: too many IDE bus\n");
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152 | e4bcb14c | ths | exit(1);
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153 | e4bcb14c | ths | } |
154 | e4bcb14c | ths | |
155 | e4bcb14c | ths | for(i = 0; i < MAX_IDE_BUS; i++) { |
156 | e4bcb14c | ths | int hd0, hd1;
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157 | e4bcb14c | ths | hd0 = drive_get_index(IF_IDE, i, 0);
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158 | e4bcb14c | ths | hd1 = drive_get_index(IF_IDE, i, 1);
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159 | ad6fe1d2 | ths | isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], |
160 | e4bcb14c | ths | hd0 == -1 ? NULL : drives_table[hd0].bdrv, |
161 | e4bcb14c | ths | hd1 == -1 ? NULL : drives_table[hd1].bdrv); |
162 | e4bcb14c | ths | } |
163 | ad6fe1d2 | ths | |
164 | ad6fe1d2 | ths | /* Network controller */
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165 | ad6fe1d2 | ths | /* FIXME: missing NS SONIC DP83932 */
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166 | ad6fe1d2 | ths | |
167 | ad6fe1d2 | ths | /* SCSI adapter */
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168 | ad6fe1d2 | ths | /* FIXME: missing NCR 53C94 */
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169 | ad6fe1d2 | ths | |
170 | ad6fe1d2 | ths | /* ISA devices (floppy, serial, parallel) */
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171 | e4bcb14c | ths | |
172 | e4bcb14c | ths | for (i = 0; i < MAX_FD; i++) { |
173 | e4bcb14c | ths | index = drive_get_index(IF_FLOPPY, 0, i);
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174 | e4bcb14c | ths | if (index == -1) |
175 | 001a3f5a | ths | fd[i] = NULL;
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176 | 001a3f5a | ths | else
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177 | 001a3f5a | ths | fd[i] = drives_table[index].bdrv; |
178 | e4bcb14c | ths | } |
179 | e4bcb14c | ths | fdctrl_init(i8259[1], 1, 1, 0x80003000, fd); |
180 | ad6fe1d2 | ths | for(i = 0; i < MAX_SERIAL_PORTS; i++) { |
181 | ad6fe1d2 | ths | if (serial_hds[i]) {
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182 | ad6fe1d2 | ths | serial_mm_init(serial_base[i], 0, i8259[serial_irq[i]], serial_hds[i], 1); |
183 | ad6fe1d2 | ths | } |
184 | ad6fe1d2 | ths | } |
185 | d60532ca | ths | /* Parallel port */
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186 | d60532ca | ths | if (parallel_hds[0]) parallel_mm_init(0x80008000, 0, i8259[1], parallel_hds[0]); |
187 | ad6fe1d2 | ths | |
188 | ad6fe1d2 | ths | /* Sound card */
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189 | ad6fe1d2 | ths | /* FIXME: missing Jazz sound, IRQ 18 */
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190 | ad6fe1d2 | ths | |
191 | ad6fe1d2 | ths | /* LED indicator */
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192 | ad6fe1d2 | ths | /* FIXME: missing LED indicator */
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193 | ad6fe1d2 | ths | |
194 | ad6fe1d2 | ths | /* NVRAM */
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195 | ad6fe1d2 | ths | ds1225y_init(0x80009000, "nvram"); |
196 | ad6fe1d2 | ths | |
197 | ad6fe1d2 | ths | /* Video card */
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198 | 2abec30b | ths | /* FIXME: This card is not the real one which was in the original PICA,
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199 | 2abec30b | ths | * but let's do with what Qemu currenly emulates... */
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200 | 2abec30b | ths | isa_vga_mm_init(ds, phys_ram_base + ram_size, ram_size, vga_ram_size, |
201 | 2abec30b | ths | 0x40000000, 0x60000000, 0); |
202 | 31211df1 | ths | |
203 | 31211df1 | ths | /* LED indicator */
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204 | 31211df1 | ths | jazz_led_init(ds, 0x8000f000);
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205 | ad6fe1d2 | ths | } |
206 | ad6fe1d2 | ths | |
207 | ad6fe1d2 | ths | QEMUMachine mips_pica61_machine = { |
208 | ad6fe1d2 | ths | "pica61",
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209 | ad6fe1d2 | ths | "Acer Pica 61",
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210 | ad6fe1d2 | ths | mips_pica61_init, |
211 | ad6fe1d2 | ths | }; |