qemu/hw/arm/palm.c
<<
>>
Prefs
   1/*
   2 * PalmOne's (TM) PDAs.
   3 *
   4 * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation; either version 2 or
   9 * (at your option) version 3 of the License.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#include "qemu/osdep.h"
  21#include "qapi/error.h"
  22#include "audio/audio.h"
  23#include "sysemu/sysemu.h"
  24#include "sysemu/qtest.h"
  25#include "ui/console.h"
  26#include "hw/arm/omap.h"
  27#include "hw/boards.h"
  28#include "hw/arm/boot.h"
  29#include "hw/input/tsc2xxx.h"
  30#include "hw/irq.h"
  31#include "hw/loader.h"
  32#include "cpu.h"
  33#include "qemu/cutils.h"
  34#include "qom/object.h"
  35#include "qemu/error-report.h"
  36
  37
  38static uint64_t static_read(void *opaque, hwaddr offset, unsigned size)
  39{
  40    uint32_t *val = (uint32_t *)opaque;
  41    uint32_t sizemask = 7 >> size;
  42
  43    return *val >> ((offset & sizemask) << 3);
  44}
  45
  46static void static_write(void *opaque, hwaddr offset, uint64_t value,
  47                         unsigned size)
  48{
  49#ifdef SPY
  50    printf("%s: value %08lx written at " PA_FMT "\n",
  51                    __func__, value, offset);
  52#endif
  53}
  54
  55static const MemoryRegionOps static_ops = {
  56    .read = static_read,
  57    .write = static_write,
  58    .valid.min_access_size = 1,
  59    .valid.max_access_size = 4,
  60    .endianness = DEVICE_NATIVE_ENDIAN,
  61};
  62
  63/* Palm Tunsgten|E support */
  64
  65/* Shared GPIOs */
  66#define PALMTE_USBDETECT_GPIO   0
  67#define PALMTE_USB_OR_DC_GPIO   1
  68#define PALMTE_TSC_GPIO                 4
  69#define PALMTE_PINTDAV_GPIO     6
  70#define PALMTE_MMC_WP_GPIO      8
  71#define PALMTE_MMC_POWER_GPIO   9
  72#define PALMTE_HDQ_GPIO                 11
  73#define PALMTE_HEADPHONES_GPIO  14
  74#define PALMTE_SPEAKER_GPIO     15
  75/* MPU private GPIOs */
  76#define PALMTE_DC_GPIO          2
  77#define PALMTE_MMC_SWITCH_GPIO  4
  78#define PALMTE_MMC1_GPIO        6
  79#define PALMTE_MMC2_GPIO        7
  80#define PALMTE_MMC3_GPIO        11
  81
  82static MouseTransformInfo palmte_pointercal = {
  83    .x = 320,
  84    .y = 320,
  85    .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
  86};
  87
  88static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
  89{
  90    uWireSlave *tsc;
  91
  92    tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
  93
  94    omap_uwire_attach(cpu->microwire, tsc, 0);
  95    omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
  96
  97    tsc210x_set_transform(tsc, &palmte_pointercal);
  98}
  99
 100static struct {
 101    int row;
 102    int column;
 103} palmte_keymap[0x80] = {
 104    [0 ... 0x7f] = { -1, -1 },
 105    [0x3b] = { 0, 0 },  /* F1   -> Calendar */
 106    [0x3c] = { 1, 0 },  /* F2   -> Contacts */
 107    [0x3d] = { 2, 0 },  /* F3   -> Tasks List */
 108    [0x3e] = { 3, 0 },  /* F4   -> Note Pad */
 109    [0x01] = { 4, 0 },  /* Esc  -> Power */
 110    [0x4b] = { 0, 1 },  /*         Left */
 111    [0x50] = { 1, 1 },  /*         Down */
 112    [0x48] = { 2, 1 },  /*         Up */
 113    [0x4d] = { 3, 1 },  /*         Right */
 114    [0x4c] = { 4, 1 },  /*         Centre */
 115    [0x39] = { 4, 1 },  /* Spc  -> Centre */
 116};
 117
 118static void palmte_button_event(void *opaque, int keycode)
 119{
 120    struct omap_mpu_state_s *cpu = opaque;
 121
 122    if (palmte_keymap[keycode & 0x7f].row != -1)
 123        omap_mpuio_key(cpu->mpuio,
 124                        palmte_keymap[keycode & 0x7f].row,
 125                        palmte_keymap[keycode & 0x7f].column,
 126                        !(keycode & 0x80));
 127}
 128
 129/*
 130 * Encapsulation of some GPIO line behaviour for the Palm board
 131 *
 132 * QEMU interface:
 133 *  + unnamed GPIO inputs 0..6: for the various miscellaneous input lines
 134 */
 135
 136#define TYPE_PALM_MISC_GPIO "palm-misc-gpio"
 137OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO)
 138
 139struct PalmMiscGPIOState {
 140    SysBusDevice parent_obj;
 141};
 142
 143static void palmte_onoff_gpios(void *opaque, int line, int level)
 144{
 145    switch (line) {
 146    case 0:
 147        printf("%s: current to MMC/SD card %sabled.\n",
 148                        __func__, level ? "dis" : "en");
 149        break;
 150    case 1:
 151        printf("%s: internal speaker amplifier %s.\n",
 152                        __func__, level ? "down" : "on");
 153        break;
 154
 155    /* These LCD & Audio output signals have not been identified yet.  */
 156    case 2:
 157    case 3:
 158    case 4:
 159        printf("%s: LCD GPIO%i %s.\n",
 160                        __func__, line - 1, level ? "high" : "low");
 161        break;
 162    case 5:
 163    case 6:
 164        printf("%s: Audio GPIO%i %s.\n",
 165                        __func__, line - 4, level ? "high" : "low");
 166        break;
 167    }
 168}
 169
 170static void palm_misc_gpio_init(Object *obj)
 171{
 172    DeviceState *dev = DEVICE(obj);
 173
 174    qdev_init_gpio_in(dev, palmte_onoff_gpios, 7);
 175}
 176
 177static const TypeInfo palm_misc_gpio_info = {
 178    .name = TYPE_PALM_MISC_GPIO,
 179    .parent = TYPE_SYS_BUS_DEVICE,
 180    .instance_size = sizeof(PalmMiscGPIOState),
 181    .instance_init = palm_misc_gpio_init,
 182    /*
 183     * No class init required: device has no internal state so does not
 184     * need to set up reset or vmstate, and has no realize method.
 185     */
 186};
 187
 188static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
 189{
 190    DeviceState *misc_gpio;
 191
 192    misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL);
 193
 194    omap_mmc_handlers(cpu->mmc,
 195                    qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
 196                    qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
 197                            [PALMTE_MMC_SWITCH_GPIO]));
 198
 199    qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,
 200                          qdev_get_gpio_in(misc_gpio, 0));
 201    qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,
 202                          qdev_get_gpio_in(misc_gpio, 1));
 203    qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2));
 204    qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3));
 205    qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4));
 206    omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5));
 207    omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6));
 208
 209    /* Reset some inputs to initial state.  */
 210    qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
 211    qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
 212    qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
 213    qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
 214    qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
 215    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
 216    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
 217    qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
 218}
 219
 220static struct arm_boot_info palmte_binfo = {
 221    .loader_start = OMAP_EMIFF_BASE,
 222    .ram_size = 0x02000000,
 223    .board_id = 0x331,
 224};
 225
 226static void palmte_init(MachineState *machine)
 227{
 228    MemoryRegion *address_space_mem = get_system_memory();
 229    struct omap_mpu_state_s *mpu;
 230    int flash_size = 0x00800000;
 231    static uint32_t cs0val = 0xffffffff;
 232    static uint32_t cs1val = 0x0000e1a0;
 233    static uint32_t cs2val = 0x0000e1a0;
 234    static uint32_t cs3val = 0xe1a0e1a0;
 235    int rom_size, rom_loaded = 0;
 236    MachineClass *mc = MACHINE_GET_CLASS(machine);
 237    MemoryRegion *flash = g_new(MemoryRegion, 1);
 238    MemoryRegion *cs = g_new(MemoryRegion, 4);
 239
 240    if (machine->ram_size != mc->default_ram_size) {
 241        char *sz = size_to_str(mc->default_ram_size);
 242        error_report("Invalid RAM size, should be %s", sz);
 243        g_free(sz);
 244        exit(EXIT_FAILURE);
 245    }
 246
 247    memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE,
 248                                machine->ram);
 249
 250    mpu = omap310_mpu_init(machine->ram, machine->cpu_type);
 251
 252    /* External Flash (EMIFS) */
 253    memory_region_init_rom(flash, NULL, "palmte.flash", flash_size,
 254                           &error_fatal);
 255    memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash);
 256
 257    memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0",
 258                          OMAP_CS0_SIZE - flash_size);
 259    memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size,
 260                                &cs[0]);
 261    memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1",
 262                          OMAP_CS1_SIZE);
 263    memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]);
 264    memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2",
 265                          OMAP_CS2_SIZE);
 266    memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]);
 267    memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3",
 268                          OMAP_CS3_SIZE);
 269    memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
 270
 271    palmte_microwire_setup(mpu);
 272
 273    qemu_add_kbd_event_handler(palmte_button_event, mpu);
 274
 275    palmte_gpio_setup(mpu);
 276
 277    /* Setup initial (reset) machine state */
 278    if (nb_option_roms) {
 279        rom_size = get_image_size(option_rom[0].name);
 280        if (rom_size > flash_size) {
 281            fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
 282                            __func__, rom_size, flash_size);
 283            rom_size = 0;
 284        }
 285        if (rom_size > 0) {
 286            rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
 287                                           flash_size);
 288            rom_loaded = 1;
 289        }
 290        if (rom_size < 0) {
 291            fprintf(stderr, "%s: error loading '%s'\n",
 292                            __func__, option_rom[0].name);
 293        }
 294    }
 295
 296    if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) {
 297        fprintf(stderr, "Kernel or ROM image must be specified\n");
 298        exit(1);
 299    }
 300
 301    /* Load the kernel.  */
 302    arm_load_kernel(mpu->cpu, machine, &palmte_binfo);
 303}
 304
 305static void palmte_machine_init(MachineClass *mc)
 306{
 307    mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)";
 308    mc->init = palmte_init;
 309    mc->ignore_memory_transaction_failures = true;
 310    mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t");
 311    mc->default_ram_size = 0x02000000;
 312    mc->default_ram_id = "omap1.dram";
 313}
 314
 315DEFINE_MACHINE("cheetah", palmte_machine_init)
 316
 317static void palm_register_types(void)
 318{
 319    type_register_static(&palm_misc_gpio_info);
 320}
 321
 322type_init(palm_register_types)
 323