Partial SD card SPI mode support.
[qemu/mini2440.git] / hw / mips_pica61.c
blob2a358d53ef75aafa8aabdcba191b0dd275aec82a
1 /*
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
22 * THE SOFTWARE.
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"
33 #ifdef TARGET_WORDS_BIGENDIAN
34 #define BIOS_FILENAME "mips_bios.bin"
35 #else
36 #define BIOS_FILENAME "mipsel_bios.bin"
37 #endif
39 #ifdef TARGET_MIPS64
40 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL)
41 #else
42 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU)
43 #endif
45 #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000))
47 static const int ide_iobase[2] = { 0x1f0, 0x170 };
48 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
49 static const int ide_irq[2] = { 14, 15 };
51 static uint32_t serial_base[MAX_SERIAL_PORTS] = { 0x80006000, 0x80007000 };
52 static int serial_irq[MAX_SERIAL_PORTS] = { 8, 9 };
54 extern FILE *logfile;
56 static void main_cpu_reset(void *opaque)
58 CPUState *env = opaque;
59 cpu_reset(env);
62 static
63 void mips_pica61_init (int ram_size, int vga_ram_size,
64 const char *boot_device, DisplayState *ds,
65 const char *kernel_filename, const char *kernel_cmdline,
66 const char *initrd_filename, const char *cpu_model)
68 char buf[1024];
69 unsigned long bios_offset;
70 int bios_size;
71 CPUState *env;
72 int i;
73 int available_ram;
74 qemu_irq *i8259;
76 /* init CPUs */
77 if (cpu_model == NULL) {
78 #ifdef TARGET_MIPS64
79 cpu_model = "R4000";
80 #else
81 /* FIXME: All wrong, this maybe should be R3000 for the older PICAs. */
82 cpu_model = "24Kf";
83 #endif
85 env = cpu_init(cpu_model);
86 if (!env) {
87 fprintf(stderr, "Unable to find CPU definition\n");
88 exit(1);
90 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
91 qemu_register_reset(main_cpu_reset, env);
93 /* allocate RAM (limited to 256 MB) */
94 if (ram_size < 256 * 1024 * 1024)
95 available_ram = ram_size;
96 else
97 available_ram = 256 * 1024 * 1024;
98 cpu_register_physical_memory(0, available_ram, IO_MEM_RAM);
100 /* load a BIOS image */
101 bios_offset = ram_size + vga_ram_size;
102 if (bios_name == NULL)
103 bios_name = BIOS_FILENAME;
104 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
105 bios_size = load_image(buf, phys_ram_base + bios_offset);
106 if ((bios_size <= 0) || (bios_size > BIOS_SIZE)) {
107 /* fatal */
108 fprintf(stderr, "qemu: Error, could not load MIPS bios '%s'\n",
109 buf);
110 exit(1);
112 cpu_register_physical_memory(0x1fc00000,
113 BIOS_SIZE, bios_offset | IO_MEM_ROM);
115 /* Device map
117 * addr 0xe0004000: mc146818
118 * addr 0xe0005000 intr 6: ps2 keyboard
119 * addr 0xe0005000 intr 7: ps2 mouse
120 * addr 0xe0006000 intr 8: ns16550a,
121 * addr 0xe0007000 intr 9: ns16550a
122 * isa_io_base 0xe2000000 isa_mem_base 0xe3000000
125 /* Init CPU internal devices */
126 cpu_mips_irq_init_cpu(env);
127 cpu_mips_clock_init(env);
128 cpu_mips_irqctrl_init();
130 /* Register 64 KB of ISA IO space at 0x10000000 */
131 isa_mmio_init(0x10000000, 0x00010000);
132 isa_mem_base = 0x11000000;
134 /* PC style IRQ (i8259/i8254) and DMA (i8257) */
135 /* The PIC is attached to the MIPS CPU INT0 pin */
136 i8259 = i8259_init(env->irq[2]);
137 rtc_mm_init(0x80004070, 1, i8259[14]);
138 pit_init(0x40, 0);
140 /* Keyboard (i8042) */
141 i8042_mm_init(i8259[6], i8259[7], 0x80005060, 0);
143 /* IDE controller */
144 for(i = 0; i < 2; i++)
145 isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]],
146 bs_table[2 * i], bs_table[2 * i + 1]);
148 /* Network controller */
149 /* FIXME: missing NS SONIC DP83932 */
151 /* SCSI adapter */
152 /* FIXME: missing NCR 53C94 */
154 /* ISA devices (floppy, serial, parallel) */
155 fdctrl_init(i8259[1], 1, 1, 0x80003000, fd_table);
156 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
157 if (serial_hds[i]) {
158 serial_mm_init(serial_base[i], 0, i8259[serial_irq[i]], serial_hds[i], 1);
161 /* Parallel port */
162 if (parallel_hds[0]) parallel_mm_init(0x80008000, 0, i8259[1], parallel_hds[0]);
164 /* Sound card */
165 /* FIXME: missing Jazz sound, IRQ 18 */
167 /* LED indicator */
168 /* FIXME: missing LED indicator */
170 /* NVRAM */
171 ds1225y_init(0x80009000, "nvram");
173 /* Video card */
174 /* FIXME: This card is not the real one which was in the original PICA,
175 * but let's do with what Qemu currenly emulates... */
176 isa_vga_mm_init(ds, phys_ram_base + ram_size, ram_size, vga_ram_size,
177 0x40000000, 0x60000000, 0);
179 /* LED indicator */
180 jazz_led_init(ds, 0x8000f000);
183 QEMUMachine mips_pica61_machine = {
184 "pica61",
185 "Acer Pica 61",
186 mips_pica61_init,