hw/palm.c

   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 #include "hw.h"
  20 #include "audio/audio.h"
  21 #include "sysemu.h"
  22 #include "console.h"
  23 #include "omap.h"
  24 #include "boards.h"
  25 #include "arm-misc.h"
  26 #include "devices.h"
  27 #include "loader.h"
  28 #include "exec-memory.h"
  29
  30 static uint32_t static_readb(void *opaque, target_phys_addr_t offset)
  31 {
  32     uint32_t *val = (uint32_t *) opaque;
  33     return *val >> ((offset & 3) << 3);
  34 }
  35
  36 static uint32_t static_readh(void *opaque, target_phys_addr_t offset)
  37 {
  38     uint32_t *val = (uint32_t *) opaque;
  39     return *val >> ((offset & 1) << 3);
  40 }
  41
  42 static uint32_t static_readw(void *opaque, target_phys_addr_t offset)
  43 {
  44     uint32_t *val = (uint32_t *) opaque;
  45     return *val >> ((offset & 0) << 3);
  46 }
  47
  48 static void static_write(void *opaque, target_phys_addr_t offset,
  49                 uint32_t value)
  50 {
  51 #ifdef SPY
  52     printf("%s: value %08lx written at " PA_FMT "\n",
  53                     __FUNCTION__, value, offset);
  54 #endif
  55 }
  56
  57 static CPUReadMemoryFunc * const static_readfn[] = {
  58     static_readb,
  59     static_readh,
  60     static_readw,
  61 };
  62
  63 static CPUWriteMemoryFunc * const static_writefn[] = {
  64     static_write,
  65     static_write,
  66     static_write,
  67 };
  68
  69 /* Palm Tunsgten|E support */
  70
  71 /* Shared GPIOs */
  72 #define PALMTE_USBDETECT_GPIO   0
  73 #define PALMTE_USB_OR_DC_GPIO   1
  74 #define PALMTE_TSC_GPIO         4
  75 #define PALMTE_PINTDAV_GPIO     6
  76 #define PALMTE_MMC_WP_GPIO      8
  77 #define PALMTE_MMC_POWER_GPIO   9
  78 #define PALMTE_HDQ_GPIO         11
  79 #define PALMTE_HEADPHONES_GPIO  14
  80 #define PALMTE_SPEAKER_GPIO     15
  81 /* MPU private GPIOs */
  82 #define PALMTE_DC_GPIO          2
  83 #define PALMTE_MMC_SWITCH_GPIO  4
  84 #define PALMTE_MMC1_GPIO        6
  85 #define PALMTE_MMC2_GPIO        7
  86 #define PALMTE_MMC3_GPIO        11
  87
  88 static MouseTransformInfo palmte_pointercal = {
  89     .x = 320,
  90     .y = 320,
  91     .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 },
  92 };
  93
  94 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
  95 {
  96     uWireSlave *tsc;
  97
  98     tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO));
  99
 100     omap_uwire_attach(cpu->microwire, tsc, 0);
 101     omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc));
 102
 103     tsc210x_set_transform(tsc, &palmte_pointercal);
 104 }
 105
 106 static struct {
 107     int row;
 108     int column;
 109 } palmte_keymap[0x80] = {
 110     [0 ... 0x7f] = { -1, -1 },
 111     [0x3b] = { 0, 0 },  /* F1   -> Calendar */
 112     [0x3c] = { 1, 0 },  /* F2   -> Contacts */
 113     [0x3d] = { 2, 0 },  /* F3   -> Tasks List */
 114     [0x3e] = { 3, 0 },  /* F4   -> Note Pad */
 115     [0x01] = { 4, 0 },  /* Esc  -> Power */
 116     [0x4b] = { 0, 1 },  /*         Left */
 117     [0x50] = { 1, 1 },  /*         Down */
 118     [0x48] = { 2, 1 },  /*         Up */
 119     [0x4d] = { 3, 1 },  /*         Right */
 120     [0x4c] = { 4, 1 },  /*         Centre */
 121     [0x39] = { 4, 1 },  /* Spc  -> Centre */
 122 };
 123
 124 static void palmte_button_event(void *opaque, int keycode)
 125 {
 126     struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque;
 127
 128     if (palmte_keymap[keycode & 0x7f].row != -1)
 129         omap_mpuio_key(cpu->mpuio,
 130                         palmte_keymap[keycode & 0x7f].row,
 131                         palmte_keymap[keycode & 0x7f].column,
 132                         !(keycode & 0x80));
 133 }
 134
 135 static void palmte_onoff_gpios(void *opaque, int line, int level)
 136 {
 137     switch (line) {
 138     case 0:
 139         printf("%s: current to MMC/SD card %sabled.\n",
 140                         __FUNCTION__, level ? "dis" : "en");
 141         break;
 142     case 1:
 143         printf("%s: internal speaker amplifier %s.\n",
 144                         __FUNCTION__, level ? "down" : "on");
 145         break;
 146
 147     /* These LCD & Audio output signals have not been identified yet.  */
 148     case 2:
 149     case 3:
 150     case 4:
 151         printf("%s: LCD GPIO%i %s.\n",
 152                         __FUNCTION__, line - 1, level ? "high" : "low");
 153         break;
 154     case 5:
 155     case 6:
 156         printf("%s: Audio GPIO%i %s.\n",
 157                         __FUNCTION__, line - 4, level ? "high" : "low");
 158         break;
 159     }
 160 }
 161
 162 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu)
 163 {
 164     qemu_irq *misc_gpio;
 165
 166     omap_mmc_handlers(cpu->mmc,
 167                     qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO),
 168                     qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio)
 169                             [PALMTE_MMC_SWITCH_GPIO]));
 170
 171     misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7);
 172     qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO,     misc_gpio[0]);
 173     qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO,       misc_gpio[1]);
 174     qdev_connect_gpio_out(cpu->gpio, 11,                        misc_gpio[2]);
 175     qdev_connect_gpio_out(cpu->gpio, 12,                        misc_gpio[3]);
 176     qdev_connect_gpio_out(cpu->gpio, 13,                        misc_gpio[4]);
 177     omap_mpuio_out_set(cpu->mpuio, 1,                           misc_gpio[5]);
 178     omap_mpuio_out_set(cpu->mpuio, 3,                           misc_gpio[6]);
 179
 180     /* Reset some inputs to initial state.  */
 181     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO));
 182     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO));
 183     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4));
 184     qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO));
 185     qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]);
 186     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]);
 187     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]);
 188     qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]);
 189 }
 190
 191 static struct arm_boot_info palmte_binfo = {
 192     .loader_start = OMAP_EMIFF_BASE,
 193     .ram_size = 0x02000000,
 194     .board_id = 0x331,
 195 };
 196
 197 static void palmte_init(ram_addr_t ram_size,
 198                 const char *boot_device,
 199                 const char *kernel_filename, const char *kernel_cmdline,
 200                 const char *initrd_filename, const char *cpu_model)
 201 {
 202     MemoryRegion *address_space_mem = get_system_memory();
 203     struct omap_mpu_state_s *cpu;
 204     int flash_size = 0x00800000;
 205     int sdram_size = palmte_binfo.ram_size;
 206     int io;
 207     static uint32_t cs0val = 0xffffffff;
 208     static uint32_t cs1val = 0x0000e1a0;
 209     static uint32_t cs2val = 0x0000e1a0;
 210     static uint32_t cs3val = 0xe1a0e1a0;
 211     int rom_size, rom_loaded = 0;
 212     DisplayState *ds = get_displaystate();
 213
 214     cpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
 215
 216     /* External Flash (EMIFS) */
 217     cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
 218                                  qemu_ram_alloc(NULL, "palmte.flash",
 219                                                 flash_size) | IO_MEM_ROM);
 220
 221     io = cpu_register_io_memory(static_readfn, static_writefn, &cs0val,
 222                                 DEVICE_NATIVE_ENDIAN);
 223     cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,
 224                     OMAP_CS0_SIZE - flash_size, io);
 225     io = cpu_register_io_memory(static_readfn, static_writefn, &cs1val,
 226                                 DEVICE_NATIVE_ENDIAN);
 227     cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io);
 228     io = cpu_register_io_memory(static_readfn, static_writefn, &cs2val,
 229                                 DEVICE_NATIVE_ENDIAN);
 230     cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io);
 231     io = cpu_register_io_memory(static_readfn, static_writefn, &cs3val,
 232                                 DEVICE_NATIVE_ENDIAN);
 233     cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io);
 234
 235     palmte_microwire_setup(cpu);
 236
 237     qemu_add_kbd_event_handler(palmte_button_event, cpu);
 238
 239     palmte_gpio_setup(cpu);
 240
 241     /* Setup initial (reset) machine state */
 242     if (nb_option_roms) {
 243         rom_size = get_image_size(option_rom[0].name);
 244         if (rom_size > flash_size) {
 245             fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
 246                             __FUNCTION__, rom_size, flash_size);
 247             rom_size = 0;
 248         }
 249         if (rom_size > 0) {
 250             rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE,
 251                                            flash_size);
 252             rom_loaded = 1;
 253         }
 254         if (rom_size < 0) {
 255             fprintf(stderr, "%s: error loading '%s'\n",
 256                             __FUNCTION__, option_rom[0].name);
 257         }
 258     }
 259
 260     if (!rom_loaded && !kernel_filename) {
 261         fprintf(stderr, "Kernel or ROM image must be specified\n");
 262         exit(1);
 263     }
 264
 265     /* Load the kernel.  */
 266     if (kernel_filename) {
 267         palmte_binfo.kernel_filename = kernel_filename;
 268         palmte_binfo.kernel_cmdline = kernel_cmdline;
 269         palmte_binfo.initrd_filename = initrd_filename;
 270         arm_load_kernel(cpu->env, &palmte_binfo);
 271     }
 272
 273     /* FIXME: We shouldn't really be doing this here.  The LCD controller
 274        will set the size once configured, so this just sets an initial
 275        size until the guest activates the display.  */
 276     ds->surface = qemu_resize_displaysurface(ds, 320, 320);
 277     dpy_resize(ds);
 278 }
 279
 280 static QEMUMachine palmte_machine = {
 281     .name = "cheetah",
 282     .desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
 283     .init = palmte_init,
 284 };
 285
 286 static void palmte_machine_init(void)
 287 {
 288     qemu_register_machine(&palmte_machine);
 289 }
 290
 291 machine_init(palmte_machine_init);