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 "exec/address-spaces.h" 33 #include "cpu.h" 34 #include "qemu/cutils.h" 35 #include "qom/object.h" 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 = (struct omap_mpu_state_s *) 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 typedef struct PalmMiscGPIOState PalmMiscGPIOState; 137 DECLARE_INSTANCE_CHECKER(PalmMiscGPIOState, PALM_MISC_GPIO, 138 TYPE_PALM_MISC_GPIO) 139 140 struct PalmMiscGPIOState { 141 SysBusDevice parent_obj; 142 }; 143 144 static void palmte_onoff_gpios(void *opaque, int line, int level) 145 { 146 switch (line) { 147 case 0: 148 printf("%s: current to MMC/SD card %sabled.\n", 149 __func__, level ? "dis" : "en"); 150 break; 151 case 1: 152 printf("%s: internal speaker amplifier %s.\n", 153 __func__, level ? "down" : "on"); 154 break; 155 156 /* These LCD & Audio output signals have not been identified yet. */ 157 case 2: 158 case 3: 159 case 4: 160 printf("%s: LCD GPIO%i %s.\n", 161 __func__, line - 1, level ? "high" : "low"); 162 break; 163 case 5: 164 case 6: 165 printf("%s: Audio GPIO%i %s.\n", 166 __func__, line - 4, level ? "high" : "low"); 167 break; 168 } 169 } 170 171 static void palm_misc_gpio_init(Object *obj) 172 { 173 DeviceState *dev = DEVICE(obj); 174 175 qdev_init_gpio_in(dev, palmte_onoff_gpios, 7); 176 } 177 178 static const TypeInfo palm_misc_gpio_info = { 179 .name = TYPE_PALM_MISC_GPIO, 180 .parent = TYPE_SYS_BUS_DEVICE, 181 .instance_size = sizeof(PalmMiscGPIOState), 182 .instance_init = palm_misc_gpio_init, 183 /* 184 * No class init required: device has no internal state so does not 185 * need to set up reset or vmstate, and has no realize method. 186 */ 187 }; 188 189 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 190 { 191 DeviceState *misc_gpio; 192 193 misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL); 194 195 omap_mmc_handlers(cpu->mmc, 196 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 197 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 198 [PALMTE_MMC_SWITCH_GPIO])); 199 200 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, 201 qdev_get_gpio_in(misc_gpio, 0)); 202 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, 203 qdev_get_gpio_in(misc_gpio, 1)); 204 qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2)); 205 qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3)); 206 qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4)); 207 omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5)); 208 omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6)); 209 210 /* Reset some inputs to initial state. */ 211 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 212 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 213 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 214 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 215 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 216 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 217 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 218 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 219 } 220 221 static struct arm_boot_info palmte_binfo = { 222 .loader_start = OMAP_EMIFF_BASE, 223 .ram_size = 0x02000000, 224 .board_id = 0x331, 225 }; 226 227 static void palmte_init(MachineState *machine) 228 { 229 MemoryRegion *address_space_mem = get_system_memory(); 230 struct omap_mpu_state_s *mpu; 231 int flash_size = 0x00800000; 232 static uint32_t cs0val = 0xffffffff; 233 static uint32_t cs1val = 0x0000e1a0; 234 static uint32_t cs2val = 0x0000e1a0; 235 static uint32_t cs3val = 0xe1a0e1a0; 236 int rom_size, rom_loaded = 0; 237 MachineClass *mc = MACHINE_GET_CLASS(machine); 238 MemoryRegion *flash = g_new(MemoryRegion, 1); 239 MemoryRegion *cs = g_new(MemoryRegion, 4); 240 241 if (machine->ram_size != mc->default_ram_size) { 242 char *sz = size_to_str(mc->default_ram_size); 243 error_report("Invalid RAM size, should be %s", sz); 244 g_free(sz); 245 exit(EXIT_FAILURE); 246 } 247 248 memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, 249 machine->ram); 250 251 mpu = omap310_mpu_init(machine->ram, machine->cpu_type); 252 253 /* External Flash (EMIFS) */ 254 memory_region_init_rom(flash, NULL, "palmte.flash", flash_size, 255 &error_fatal); 256 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 257 258 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 259 OMAP_CS0_SIZE - flash_size); 260 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 261 &cs[0]); 262 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 263 OMAP_CS1_SIZE); 264 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 265 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 266 OMAP_CS2_SIZE); 267 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 268 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 269 OMAP_CS3_SIZE); 270 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 271 272 palmte_microwire_setup(mpu); 273 274 qemu_add_kbd_event_handler(palmte_button_event, mpu); 275 276 palmte_gpio_setup(mpu); 277 278 /* Setup initial (reset) machine state */ 279 if (nb_option_roms) { 280 rom_size = get_image_size(option_rom[0].name); 281 if (rom_size > flash_size) { 282 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 283 __func__, rom_size, flash_size); 284 rom_size = 0; 285 } 286 if (rom_size > 0) { 287 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 288 flash_size); 289 rom_loaded = 1; 290 } 291 if (rom_size < 0) { 292 fprintf(stderr, "%s: error loading '%s'\n", 293 __func__, option_rom[0].name); 294 } 295 } 296 297 if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) { 298 fprintf(stderr, "Kernel or ROM image must be specified\n"); 299 exit(1); 300 } 301 302 /* Load the kernel. */ 303 arm_load_kernel(mpu->cpu, machine, &palmte_binfo); 304 } 305 306 static void palmte_machine_init(MachineClass *mc) 307 { 308 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 309 mc->init = palmte_init; 310 mc->ignore_memory_transaction_failures = true; 311 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 312 mc->default_ram_size = 0x02000000; 313 mc->default_ram_id = "omap1.dram"; 314 } 315 316 DEFINE_MACHINE("cheetah", palmte_machine_init) 317 318 static void palm_register_types(void) 319 { 320 type_register_static(&palm_misc_gpio_info); 321 } 322 323 type_init(palm_register_types) 324