/* * QEMU Acer Pica Machine support * * Copyright (c) 2007 Hervé Poussineau * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "hw.h" #include "mips.h" #include "isa.h" #include "pc.h" #include "fdc.h" #include "sysemu.h" #include "boards.h" #ifdef TARGET_WORDS_BIGENDIAN #define BIOS_FILENAME "mips_bios.bin" #else #define BIOS_FILENAME "mipsel_bios.bin" #endif #ifdef TARGET_MIPS64 #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffULL) #else #define PHYS_TO_VIRT(x) ((x) | ~0x7fffffffU) #endif #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000)) #define MAX_IDE_BUS 2 #define MAX_FD 2 static const int ide_iobase[2] = { 0x1f0, 0x170 }; static const int ide_iobase2[2] = { 0x3f6, 0x376 }; static const int ide_irq[2] = { 14, 15 }; static uint32_t serial_base[MAX_SERIAL_PORTS] = { 0x80006000, 0x80007000 }; static int serial_irq[MAX_SERIAL_PORTS] = { 8, 9 }; extern FILE *logfile; static void main_cpu_reset(void *opaque) { CPUState *env = opaque; cpu_reset(env); } static void mips_pica61_init (int ram_size, int vga_ram_size, const char *boot_device, DisplayState *ds, const char *kernel_filename, const char *kernel_cmdline, const char *initrd_filename, const char *cpu_model) { char buf[1024]; unsigned long bios_offset; int bios_size; CPUState *env; int i; int available_ram; qemu_irq *i8259; int index; BlockDriverState *fd[MAX_FD]; /* init CPUs */ if (cpu_model == NULL) { #ifdef TARGET_MIPS64 cpu_model = "R4000"; #else /* FIXME: All wrong, this maybe should be R3000 for the older PICAs. */ cpu_model = "24Kf"; #endif } env = cpu_init(cpu_model); if (!env) { fprintf(stderr, "Unable to find CPU definition\n"); exit(1); } register_savevm("cpu", 0, 3, cpu_save, cpu_load, env); qemu_register_reset(main_cpu_reset, env); /* allocate RAM (limited to 256 MB) */ if (ram_size < 256 * 1024 * 1024) available_ram = ram_size; else available_ram = 256 * 1024 * 1024; cpu_register_physical_memory(0, available_ram, IO_MEM_RAM); /* load a BIOS image */ bios_offset = ram_size + vga_ram_size; if (bios_name == NULL) bios_name = BIOS_FILENAME; snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name); bios_size = load_image(buf, phys_ram_base + bios_offset); if ((bios_size <= 0) || (bios_size > BIOS_SIZE)) { /* fatal */ fprintf(stderr, "qemu: Error, could not load MIPS bios '%s'\n", buf); exit(1); } cpu_register_physical_memory(0x1fc00000, BIOS_SIZE, bios_offset | IO_MEM_ROM); /* Device map * * addr 0xe0004000: mc146818 * addr 0xe0005000 intr 6: ps2 keyboard * addr 0xe0005000 intr 7: ps2 mouse * addr 0xe0006000 intr 8: ns16550a, * addr 0xe0007000 intr 9: ns16550a * isa_io_base 0xe2000000 isa_mem_base 0xe3000000 */ /* Init CPU internal devices */ cpu_mips_irq_init_cpu(env); cpu_mips_clock_init(env); cpu_mips_irqctrl_init(); /* Register 64 KB of ISA IO space at 0x10000000 */ isa_mmio_init(0x10000000, 0x00010000); isa_mem_base = 0x11000000; /* PC style IRQ (i8259/i8254) and DMA (i8257) */ /* The PIC is attached to the MIPS CPU INT0 pin */ i8259 = i8259_init(env->irq[2]); rtc_mm_init(0x80004070, 1, i8259[14]); pit_init(0x40, 0); /* Keyboard (i8042) */ i8042_mm_init(i8259[6], i8259[7], 0x80005060, 0); /* IDE controller */ if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { fprintf(stderr, "qemu: too many IDE bus\n"); exit(1); } for(i = 0; i < MAX_IDE_BUS; i++) { int hd0, hd1; hd0 = drive_get_index(IF_IDE, i, 0); hd1 = drive_get_index(IF_IDE, i, 1); isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], hd0 == -1 ? NULL : drives_table[hd0].bdrv, hd1 == -1 ? NULL : drives_table[hd1].bdrv); } /* Network controller */ /* FIXME: missing NS SONIC DP83932 */ /* SCSI adapter */ /* FIXME: missing NCR 53C94 */ /* ISA devices (floppy, serial, parallel) */ for (i = 0; i < MAX_FD; i++) { index = drive_get_index(IF_FLOPPY, 0, i); if (index == -1) continue; fd[i] = drives_table[index].bdrv; } fdctrl_init(i8259[1], 1, 1, 0x80003000, fd); for(i = 0; i < MAX_SERIAL_PORTS; i++) { if (serial_hds[i]) { serial_mm_init(serial_base[i], 0, i8259[serial_irq[i]], serial_hds[i], 1); } } /* Parallel port */ if (parallel_hds[0]) parallel_mm_init(0x80008000, 0, i8259[1], parallel_hds[0]); /* Sound card */ /* FIXME: missing Jazz sound, IRQ 18 */ /* LED indicator */ /* FIXME: missing LED indicator */ /* NVRAM */ ds1225y_init(0x80009000, "nvram"); /* Video card */ /* FIXME: This card is not the real one which was in the original PICA, * but let's do with what Qemu currenly emulates... */ isa_vga_mm_init(ds, phys_ram_base + ram_size, ram_size, vga_ram_size, 0x40000000, 0x60000000, 0); /* LED indicator */ jazz_led_init(ds, 0x8000f000); } QEMUMachine mips_pica61_machine = { "pica61", "Acer Pica 61", mips_pica61_init, };