001a3f5abf
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3768 c046a42c-6fe2-441c-8c8c-71466251a162
212 lines
6.3 KiB
C
212 lines
6.3 KiB
C
/*
|
|
* 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)
|
|
fd[i] = NULL;
|
|
else
|
|
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,
|
|
};
|