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 38 static 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 46 static 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 55 static 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 82 static MouseTransformInfo palmte_pointercal = { 83 .x = 320, 84 .y = 320, 85 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 86 }; 87 88 static 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 } 99 100 static 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 }; 117 118 static 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" 137 OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO) 138 139 struct PalmMiscGPIOState { 140 SysBusDevice parent_obj; 141 }; 142 143 static 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 } 169 170 static 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 } 176 177 static 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 }; 187 188 static 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 } 219 220 static struct arm_boot_info palmte_binfo = { 221 .loader_start = OMAP_EMIFF_BASE, 222 .ram_size = 0x02000000, 223 .board_id = 0x331, 224 }; 225 226 static 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 } 304 305 static 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 } 314 315 DEFINE_MACHINE("cheetah", palmte_machine_init) 316 317 static void palm_register_types(void) 318 { 319 type_register_static(&palm_misc_gpio_info); 320 } 321 322 type_init(palm_register_types) 323