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qemu/hw/arm/palm.c

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/*
* PalmOne's (TM) PDAs.
*
* Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 or
* (at your option) version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw/hw.h"
#include "audio/audio.h"
#include "sysemu/sysemu.h"
#include "ui/console.h"
#include "hw/arm/omap.h"
#include "hw/boards.h"
#include "hw/arm/arm.h"
#include "hw/devices.h"
#include "hw/loader.h"
#include "exec/address-spaces.h"
static uint32_t static_readb(void *opaque, hwaddr offset)
{
uint32_t *val = (uint32_t *) opaque;
return *val >> ((offset & 3) << 3);
}
static uint32_t static_readh(void *opaque, hwaddr offset)
{
uint32_t *val = (uint32_t *) opaque;
return *val >> ((offset & 1) << 3);
}
static uint32_t static_readw(void *opaque, hwaddr offset)
{
uint32_t *val = (uint32_t *) opaque;
return *val >> ((offset & 0) << 3);
}
static void static_write(void *opaque, hwaddr offset,
uint32_t value)
{
#ifdef SPY
printf("%s: value %08lx written at " PA_FMT "\n",
__FUNCTION__, value, offset);
#endif
}
static const MemoryRegionOps static_ops = {
.old_mmio = {
.read = { static_readb, static_readh, static_readw, },
.write = { static_write, static_write, static_write, },
},
.endianness = DEVICE_NATIVE_ENDIAN,
};
/* Palm Tunsgten|E support */
/* Shared GPIOs */
#define PALMTE_USBDETECT_GPIO 0
#define PALMTE_USB_OR_DC_GPIO 1
#define PALMTE_TSC_GPIO 4
#define PALMTE_PINTDAV_GPIO 6
#define PALMTE_MMC_WP_GPIO 8
#define PALMTE_MMC_POWER_GPIO 9
#define PALMTE_HDQ_GPIO 11
#define PALMTE_HEADPHONES_GPIO 14
#define PALMTE_SPEAKER_GPIO 15
/* MPU private GPIOs */
#define PALMTE_DC_GPIO 2
#define PALMTE_MMC_SWITCH_GPIO 4
#define PALMTE_MMC1_GPIO 6
#define PALMTE_MMC2_GPIO 7
#define PALMTE_MMC3_GPIO 11
static MouseTransformInfo palmte_pointercal = {
.x = 320,
.y = 320,
.a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
};
static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
{
uWireSlave *tsc;
tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
omap_uwire_attach(cpu->microwire, tsc, 0);
omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
tsc210x_set_transform(tsc, &palmte_pointercal);
}
static struct {
int row;
int column;
} palmte_keymap[0x80] = {
[0 ... 0x7f] = { -1, -1 },
[0x3b] = { 0, 0 }, /* F1 -> Calendar */
[0x3c] = { 1, 0 }, /* F2 -> Contacts */
[0x3d] = { 2, 0 }, /* F3 -> Tasks List */
[0x3e] = { 3, 0 }, /* F4 -> Note Pad */
[0x01] = { 4, 0 }, /* Esc -> Power */
[0x4b] = { 0, 1 }, /* Left */
[0x50] = { 1, 1 }, /* Down */
[0x48] = { 2, 1 }, /* Up */
[0x4d] = { 3, 1 }, /* Right */
[0x4c] = { 4, 1 }, /* Centre */
[0x39] = { 4, 1 }, /* Spc -> Centre */
};
static void palmte_button_event(void *opaque, int keycode)
{
struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
if (palmte_keymap[keycode & 0x7f].row != -1)
omap_mpuio_key(cpu->mpuio,
palmte_keymap[keycode & 0x7f].row,
palmte_keymap[keycode & 0x7f].column,
!(keycode & 0x80));
}
static void palmte_onoff_gpios(void *opaque, int line, int level)
{
switch (line) {
case 0:
printf("%s: current to MMC/SD card %sabled.\n",
__FUNCTION__, level ? "dis" : "en");
break;
case 1:
printf("%s: internal speaker amplifier %s.\n",
__FUNCTION__, level ? "down" : "on");
break;
/* These LCD & Audio output signals have not been identified yet. */
case 2:
case 3:
case 4:
printf("%s: LCD GPIO%i %s.\n",
__FUNCTION__, line - 1, level ? "high" : "low");
break;
case 5:
case 6:
printf("%s: Audio GPIO%i %s.\n",
__FUNCTION__, line - 4, level ? "high" : "low");
break;
}
}
static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
{
qemu_irq *misc_gpio;
omap_mmc_handlers(cpu->mmc,
qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
[PALMTE_MMC_SWITCH_GPIO]));
misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]);
qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]);
qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]);
qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]);
qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]);
omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]);
omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]);
/* Reset some inputs to initial state. */
qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
}
static struct arm_boot_info palmte_binfo = {
.loader_start = OMAP_EMIFF_BASE,
.ram_size = 0x02000000,
.board_id = 0x331,
};
static void palmte_init(QEMUMachineInitArgs *args)
{
const char *cpu_model = args->cpu_model;
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
MemoryRegion *address_space_mem = get_system_memory();
struct omap_mpu_state_s *mpu;
int flash_size = 0x00800000;
int sdram_size = palmte_binfo.ram_size;
static uint32_t cs0val = 0xffffffff;
static uint32_t cs1val = 0x0000e1a0;
static uint32_t cs2val = 0x0000e1a0;
static uint32_t cs3val = 0xe1a0e1a0;
int rom_size, rom_loaded = 0;
MemoryRegion *flash = g_new(MemoryRegion, 1);
MemoryRegion *cs = g_new(MemoryRegion, 4);
mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
/* External Flash (EMIFS) */
memory_region_init_ram(flash, "palmte.flash", flash_size);
vmstate_register_ram_global(flash);
memory_region_set_readonly(flash, true);
memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
memory_region_init_io(&cs[0], &static_ops, &cs0val, "palmte-cs0",
OMAP_CS0_SIZE - flash_size);
memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
&cs[0]);
memory_region_init_io(&cs[1], &static_ops, &cs1val, "palmte-cs1",
OMAP_CS1_SIZE);
memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
memory_region_init_io(&cs[2], &static_ops, &cs2val, "palmte-cs2",
OMAP_CS2_SIZE);
memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
memory_region_init_io(&cs[3], &static_ops, &cs3val, "palmte-cs3",
OMAP_CS3_SIZE);
memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
palmte_microwire_setup(mpu);
qemu_add_kbd_event_handler(palmte_button_event, mpu);
palmte_gpio_setup(mpu);
/* Setup initial (reset) machine state */
if (nb_option_roms) {
rom_size = get_image_size(option_rom[0].name);
if (rom_size > flash_size) {
fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
__FUNCTION__, rom_size, flash_size);
rom_size = 0;
}
if (rom_size > 0) {
rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
flash_size);
rom_loaded = 1;
}
if (rom_size < 0) {
fprintf(stderr, "%s: error loading '%s'\n",
__FUNCTION__, option_rom[0].name);
}
}
if (!rom_loaded && !kernel_filename) {
fprintf(stderr, "Kernel or ROM image must be specified\n");
exit(1);
}
/* Load the kernel. */
if (kernel_filename) {
palmte_binfo.kernel_filename = kernel_filename;
palmte_binfo.kernel_cmdline = kernel_cmdline;
palmte_binfo.initrd_filename = initrd_filename;
arm_load_kernel(mpu->cpu, &palmte_binfo);
}
}
static QEMUMachine palmte_machine = {
.name = "cheetah",
.desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
.init = palmte_init,
DEFAULT_MACHINE_OPTIONS,
};
static void palmte_machine_init(void)
{
qemu_register_machine(&palmte_machine);
}
machine_init(palmte_machine_init);
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