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 "qemu/cutils.h" 33 #include "qom/object.h" 34 #include "qemu/error-report.h" 35 36 37 static uint64_t static_read(void *opaque, hwaddr offset, unsigned size) 38 { 39 uint32_t *val = (uint32_t *)opaque; 40 uint32_t sizemask = 7 >> size; 41 42 return *val >> ((offset & sizemask) << 3); 43 } 44 45 static void static_write(void *opaque, hwaddr offset, uint64_t value, 46 unsigned size) 47 { 48 #ifdef SPY 49 printf("%s: value %08lx written at " PA_FMT "\n", 50 __func__, value, offset); 51 #endif 52 } 53 54 static const MemoryRegionOps static_ops = { 55 .read = static_read, 56 .write = static_write, 57 .valid.min_access_size = 1, 58 .valid.max_access_size = 4, 59 .endianness = DEVICE_NATIVE_ENDIAN, 60 }; 61 62 /* Palm Tunsgten|E support */ 63 64 /* Shared GPIOs */ 65 #define PALMTE_USBDETECT_GPIO 0 66 #define PALMTE_USB_OR_DC_GPIO 1 67 #define PALMTE_TSC_GPIO 4 68 #define PALMTE_PINTDAV_GPIO 6 69 #define PALMTE_MMC_WP_GPIO 8 70 #define PALMTE_MMC_POWER_GPIO 9 71 #define PALMTE_HDQ_GPIO 11 72 #define PALMTE_HEADPHONES_GPIO 14 73 #define PALMTE_SPEAKER_GPIO 15 74 /* MPU private GPIOs */ 75 #define PALMTE_DC_GPIO 2 76 #define PALMTE_MMC_SWITCH_GPIO 4 77 #define PALMTE_MMC1_GPIO 6 78 #define PALMTE_MMC2_GPIO 7 79 #define PALMTE_MMC3_GPIO 11 80 81 static MouseTransformInfo palmte_pointercal = { 82 .x = 320, 83 .y = 320, 84 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 85 }; 86 87 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 88 { 89 uWireSlave *tsc; 90 91 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 92 93 omap_uwire_attach(cpu->microwire, tsc, 0); 94 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 95 96 tsc210x_set_transform(tsc, &palmte_pointercal); 97 } 98 99 static struct { 100 int row; 101 int column; 102 } palmte_keymap[0x80] = { 103 [0 ... 0x7f] = { -1, -1 }, 104 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 105 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 106 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 107 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 108 [0x01] = { 4, 0 }, /* Esc -> Power */ 109 [0x4b] = { 0, 1 }, /* Left */ 110 [0x50] = { 1, 1 }, /* Down */ 111 [0x48] = { 2, 1 }, /* Up */ 112 [0x4d] = { 3, 1 }, /* Right */ 113 [0x4c] = { 4, 1 }, /* Centre */ 114 [0x39] = { 4, 1 }, /* Spc -> Centre */ 115 }; 116 117 static void palmte_button_event(void *opaque, int keycode) 118 { 119 struct omap_mpu_state_s *cpu = opaque; 120 121 if (palmte_keymap[keycode & 0x7f].row != -1) 122 omap_mpuio_key(cpu->mpuio, 123 palmte_keymap[keycode & 0x7f].row, 124 palmte_keymap[keycode & 0x7f].column, 125 !(keycode & 0x80)); 126 } 127 128 /* 129 * Encapsulation of some GPIO line behaviour for the Palm board 130 * 131 * QEMU interface: 132 * + unnamed GPIO inputs 0..6: for the various miscellaneous input lines 133 */ 134 135 #define TYPE_PALM_MISC_GPIO "palm-misc-gpio" 136 OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO) 137 138 struct PalmMiscGPIOState { 139 SysBusDevice parent_obj; 140 }; 141 142 static void palmte_onoff_gpios(void *opaque, int line, int level) 143 { 144 switch (line) { 145 case 0: 146 printf("%s: current to MMC/SD card %sabled.\n", 147 __func__, level ? "dis" : "en"); 148 break; 149 case 1: 150 printf("%s: internal speaker amplifier %s.\n", 151 __func__, level ? "down" : "on"); 152 break; 153 154 /* These LCD & Audio output signals have not been identified yet. */ 155 case 2: 156 case 3: 157 case 4: 158 printf("%s: LCD GPIO%i %s.\n", 159 __func__, line - 1, level ? "high" : "low"); 160 break; 161 case 5: 162 case 6: 163 printf("%s: Audio GPIO%i %s.\n", 164 __func__, line - 4, level ? "high" : "low"); 165 break; 166 } 167 } 168 169 static void palm_misc_gpio_init(Object *obj) 170 { 171 DeviceState *dev = DEVICE(obj); 172 173 qdev_init_gpio_in(dev, palmte_onoff_gpios, 7); 174 } 175 176 static const TypeInfo palm_misc_gpio_info = { 177 .name = TYPE_PALM_MISC_GPIO, 178 .parent = TYPE_SYS_BUS_DEVICE, 179 .instance_size = sizeof(PalmMiscGPIOState), 180 .instance_init = palm_misc_gpio_init, 181 /* 182 * No class init required: device has no internal state so does not 183 * need to set up reset or vmstate, and has no realize method. 184 */ 185 }; 186 187 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 188 { 189 DeviceState *misc_gpio; 190 191 misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL); 192 193 omap_mmc_handlers(cpu->mmc, 194 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 195 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 196 [PALMTE_MMC_SWITCH_GPIO])); 197 198 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, 199 qdev_get_gpio_in(misc_gpio, 0)); 200 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, 201 qdev_get_gpio_in(misc_gpio, 1)); 202 qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2)); 203 qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3)); 204 qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4)); 205 omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5)); 206 omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6)); 207 208 /* Reset some inputs to initial state. */ 209 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 210 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 211 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 212 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 213 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 214 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 215 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 216 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 217 } 218 219 static struct arm_boot_info palmte_binfo = { 220 .loader_start = OMAP_EMIFF_BASE, 221 .ram_size = 0x02000000, 222 .board_id = 0x331, 223 }; 224 225 static void palmte_init(MachineState *machine) 226 { 227 MemoryRegion *address_space_mem = get_system_memory(); 228 struct omap_mpu_state_s *mpu; 229 int flash_size = 0x00800000; 230 static uint32_t cs0val = 0xffffffff; 231 static uint32_t cs1val = 0x0000e1a0; 232 static uint32_t cs2val = 0x0000e1a0; 233 static uint32_t cs3val = 0xe1a0e1a0; 234 int rom_size, rom_loaded = 0; 235 MachineClass *mc = MACHINE_GET_CLASS(machine); 236 MemoryRegion *flash = g_new(MemoryRegion, 1); 237 MemoryRegion *cs = g_new(MemoryRegion, 4); 238 239 if (machine->ram_size != mc->default_ram_size) { 240 char *sz = size_to_str(mc->default_ram_size); 241 error_report("Invalid RAM size, should be %s", sz); 242 g_free(sz); 243 exit(EXIT_FAILURE); 244 } 245 246 memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, 247 machine->ram); 248 249 mpu = omap310_mpu_init(machine->ram, machine->cpu_type); 250 251 /* External Flash (EMIFS) */ 252 memory_region_init_rom(flash, NULL, "palmte.flash", flash_size, 253 &error_fatal); 254 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 255 256 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 257 OMAP_CS0_SIZE - flash_size); 258 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 259 &cs[0]); 260 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 261 OMAP_CS1_SIZE); 262 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 263 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 264 OMAP_CS2_SIZE); 265 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 266 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 267 OMAP_CS3_SIZE); 268 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 269 270 palmte_microwire_setup(mpu); 271 272 qemu_add_kbd_event_handler(palmte_button_event, mpu); 273 274 palmte_gpio_setup(mpu); 275 276 /* Setup initial (reset) machine state */ 277 if (nb_option_roms) { 278 rom_size = get_image_size(option_rom[0].name); 279 if (rom_size > flash_size) { 280 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 281 __func__, rom_size, flash_size); 282 rom_size = 0; 283 } 284 if (rom_size > 0) { 285 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 286 flash_size); 287 rom_loaded = 1; 288 } 289 if (rom_size < 0) { 290 fprintf(stderr, "%s: error loading '%s'\n", 291 __func__, option_rom[0].name); 292 } 293 } 294 295 if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) { 296 fprintf(stderr, "Kernel or ROM image must be specified\n"); 297 exit(1); 298 } 299 300 /* Load the kernel. */ 301 arm_load_kernel(mpu->cpu, machine, &palmte_binfo); 302 } 303 304 static void palmte_machine_init(MachineClass *mc) 305 { 306 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 307 mc->init = palmte_init; 308 mc->ignore_memory_transaction_failures = true; 309 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 310 mc->default_ram_size = 0x02000000; 311 mc->default_ram_id = "omap1.dram"; 312 mc->deprecation_reason = "machine is old and unmaintained"; 313 314 machine_add_audiodev_property(mc); 315 } 316 317 DEFINE_MACHINE("cheetah", palmte_machine_init) 318 319 static void palm_register_types(void) 320 { 321 type_register_static(&palm_misc_gpio_info); 322 } 323 324 type_init(palm_register_types) 325