diff options
Diffstat (limited to 'hw/mips_pica61.c')
| -rw-r--r-- | hw/mips_pica61.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/hw/mips_pica61.c b/hw/mips_pica61.c new file mode 100644 index 0000000000..9d9400a698 --- /dev/null +++ b/hw/mips_pica61.c @@ -0,0 +1,175 @@ +/* + * QEMU Malta board 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 "vl.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)) + +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, int boot_device, + DisplayState *ds, const char **fd_filename, int snapshot, + 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; + mips_def_t *def; + int available_ram; + qemu_irq *i8259; + + /* init CPUs */ + if (cpu_model == NULL) { +#ifdef TARGET_MIPS64 + cpu_model = "R4000"; +#else + cpu_model = "4KEc"; +#endif + } + if (mips_find_by_name(cpu_model, &def) != 0) + def = NULL; + env = cpu_init(); + cpu_mips_register(env, def); + 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; + snprintf(buf, sizeof(buf), "%s/%s", bios_dir, BIOS_FILENAME); + 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, i8259[14]); + pit_init(0x40, 0); + + /* Keyboard (i8042) */ + i8042_mm_init(i8259[6], i8259[7], 0x80005060, 0); + + /* IDE controller */ + for(i = 0; i < 2; i++) + isa_ide_init(ide_iobase[i], ide_iobase2[i], i8259[ide_irq[i]], + bs_table[2 * i], bs_table[2 * i + 1]); + + /* Network controller */ + /* FIXME: missing NS SONIC DP83932 */ + + /* SCSI adapter */ + /* FIXME: missing NCR 53C94 */ + + /* ISA devices (floppy, serial, parallel) */ + fdctrl_init(i8259[1], 1, 1, 0x80003000, fd_table); + 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); + } + } + for (i = 0; i < MAX_PARALLEL_PORTS; i++) { + if (parallel_hds[i]) { + /* FIXME: memory mapped! parallel_init(0x80008000, i8259[17], parallel_hds[i]); */ + } + } + + /* Sound card */ + /* FIXME: missing Jazz sound, IRQ 18 */ + + /* LED indicator */ + /* FIXME: missing LED indicator */ + + /* NVRAM */ + ds1225y_init(0x80009000, "nvram"); + + /* Video card */ + //isa_vga_init(ds, phys_ram_base + ram_size, ram_size, vga_ram_size); +} + +QEMUMachine mips_pica61_machine = { + "pica61", + "Acer Pica 61", + mips_pica61_init, +}; |