mips_pica61.c
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/*
* 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))
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 **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;
int available_ram;
qemu_irq *i8259;
/* 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 */
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);
}
}
/* 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,
};