palm.c (10561B)
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 36 static uint64_t static_read(void *opaque, hwaddr offset, unsigned size) 37 { 38 uint32_t *val = (uint32_t *)opaque; 39 uint32_t sizemask = 7 >> size; 40 41 return *val >> ((offset & sizemask) << 3); 42 } 43 44 static void static_write(void *opaque, hwaddr offset, uint64_t value, 45 unsigned size) 46 { 47 #ifdef SPY 48 printf("%s: value %08lx written at " PA_FMT "\n", 49 __func__, value, offset); 50 #endif 51 } 52 53 static const MemoryRegionOps static_ops = { 54 .read = static_read, 55 .write = static_write, 56 .valid.min_access_size = 1, 57 .valid.max_access_size = 4, 58 .endianness = DEVICE_NATIVE_ENDIAN, 59 }; 60 61 /* Palm Tunsgten|E support */ 62 63 /* Shared GPIOs */ 64 #define PALMTE_USBDETECT_GPIO 0 65 #define PALMTE_USB_OR_DC_GPIO 1 66 #define PALMTE_TSC_GPIO 4 67 #define PALMTE_PINTDAV_GPIO 6 68 #define PALMTE_MMC_WP_GPIO 8 69 #define PALMTE_MMC_POWER_GPIO 9 70 #define PALMTE_HDQ_GPIO 11 71 #define PALMTE_HEADPHONES_GPIO 14 72 #define PALMTE_SPEAKER_GPIO 15 73 /* MPU private GPIOs */ 74 #define PALMTE_DC_GPIO 2 75 #define PALMTE_MMC_SWITCH_GPIO 4 76 #define PALMTE_MMC1_GPIO 6 77 #define PALMTE_MMC2_GPIO 7 78 #define PALMTE_MMC3_GPIO 11 79 80 static MouseTransformInfo palmte_pointercal = { 81 .x = 320, 82 .y = 320, 83 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 84 }; 85 86 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 87 { 88 uWireSlave *tsc; 89 90 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 91 92 omap_uwire_attach(cpu->microwire, tsc, 0); 93 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 94 95 tsc210x_set_transform(tsc, &palmte_pointercal); 96 } 97 98 static struct { 99 int row; 100 int column; 101 } palmte_keymap[0x80] = { 102 [0 ... 0x7f] = { -1, -1 }, 103 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 104 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 105 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 106 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 107 [0x01] = { 4, 0 }, /* Esc -> Power */ 108 [0x4b] = { 0, 1 }, /* Left */ 109 [0x50] = { 1, 1 }, /* Down */ 110 [0x48] = { 2, 1 }, /* Up */ 111 [0x4d] = { 3, 1 }, /* Right */ 112 [0x4c] = { 4, 1 }, /* Centre */ 113 [0x39] = { 4, 1 }, /* Spc -> Centre */ 114 }; 115 116 static void palmte_button_event(void *opaque, int keycode) 117 { 118 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 119 120 if (palmte_keymap[keycode & 0x7f].row != -1) 121 omap_mpuio_key(cpu->mpuio, 122 palmte_keymap[keycode & 0x7f].row, 123 palmte_keymap[keycode & 0x7f].column, 124 !(keycode & 0x80)); 125 } 126 127 /* 128 * Encapsulation of some GPIO line behaviour for the Palm board 129 * 130 * QEMU interface: 131 * + unnamed GPIO inputs 0..6: for the various miscellaneous input lines 132 */ 133 134 #define TYPE_PALM_MISC_GPIO "palm-misc-gpio" 135 OBJECT_DECLARE_SIMPLE_TYPE(PalmMiscGPIOState, PALM_MISC_GPIO) 136 137 struct PalmMiscGPIOState { 138 SysBusDevice parent_obj; 139 }; 140 141 static void palmte_onoff_gpios(void *opaque, int line, int level) 142 { 143 switch (line) { 144 case 0: 145 printf("%s: current to MMC/SD card %sabled.\n", 146 __func__, level ? "dis" : "en"); 147 break; 148 case 1: 149 printf("%s: internal speaker amplifier %s.\n", 150 __func__, level ? "down" : "on"); 151 break; 152 153 /* These LCD & Audio output signals have not been identified yet. */ 154 case 2: 155 case 3: 156 case 4: 157 printf("%s: LCD GPIO%i %s.\n", 158 __func__, line - 1, level ? "high" : "low"); 159 break; 160 case 5: 161 case 6: 162 printf("%s: Audio GPIO%i %s.\n", 163 __func__, line - 4, level ? "high" : "low"); 164 break; 165 } 166 } 167 168 static void palm_misc_gpio_init(Object *obj) 169 { 170 DeviceState *dev = DEVICE(obj); 171 172 qdev_init_gpio_in(dev, palmte_onoff_gpios, 7); 173 } 174 175 static const TypeInfo palm_misc_gpio_info = { 176 .name = TYPE_PALM_MISC_GPIO, 177 .parent = TYPE_SYS_BUS_DEVICE, 178 .instance_size = sizeof(PalmMiscGPIOState), 179 .instance_init = palm_misc_gpio_init, 180 /* 181 * No class init required: device has no internal state so does not 182 * need to set up reset or vmstate, and has no realize method. 183 */ 184 }; 185 186 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 187 { 188 DeviceState *misc_gpio; 189 190 misc_gpio = sysbus_create_simple(TYPE_PALM_MISC_GPIO, -1, NULL); 191 192 omap_mmc_handlers(cpu->mmc, 193 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 194 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 195 [PALMTE_MMC_SWITCH_GPIO])); 196 197 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, 198 qdev_get_gpio_in(misc_gpio, 0)); 199 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, 200 qdev_get_gpio_in(misc_gpio, 1)); 201 qdev_connect_gpio_out(cpu->gpio, 11, qdev_get_gpio_in(misc_gpio, 2)); 202 qdev_connect_gpio_out(cpu->gpio, 12, qdev_get_gpio_in(misc_gpio, 3)); 203 qdev_connect_gpio_out(cpu->gpio, 13, qdev_get_gpio_in(misc_gpio, 4)); 204 omap_mpuio_out_set(cpu->mpuio, 1, qdev_get_gpio_in(misc_gpio, 5)); 205 omap_mpuio_out_set(cpu->mpuio, 3, qdev_get_gpio_in(misc_gpio, 6)); 206 207 /* Reset some inputs to initial state. */ 208 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 209 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 210 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 211 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 212 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 213 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 214 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 215 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 216 } 217 218 static struct arm_boot_info palmte_binfo = { 219 .loader_start = OMAP_EMIFF_BASE, 220 .ram_size = 0x02000000, 221 .board_id = 0x331, 222 }; 223 224 static void palmte_init(MachineState *machine) 225 { 226 MemoryRegion *address_space_mem = get_system_memory(); 227 struct omap_mpu_state_s *mpu; 228 int flash_size = 0x00800000; 229 static uint32_t cs0val = 0xffffffff; 230 static uint32_t cs1val = 0x0000e1a0; 231 static uint32_t cs2val = 0x0000e1a0; 232 static uint32_t cs3val = 0xe1a0e1a0; 233 int rom_size, rom_loaded = 0; 234 MachineClass *mc = MACHINE_GET_CLASS(machine); 235 MemoryRegion *flash = g_new(MemoryRegion, 1); 236 MemoryRegion *cs = g_new(MemoryRegion, 4); 237 238 if (machine->ram_size != mc->default_ram_size) { 239 char *sz = size_to_str(mc->default_ram_size); 240 error_report("Invalid RAM size, should be %s", sz); 241 g_free(sz); 242 exit(EXIT_FAILURE); 243 } 244 245 memory_region_add_subregion(address_space_mem, OMAP_EMIFF_BASE, 246 machine->ram); 247 248 mpu = omap310_mpu_init(machine->ram, machine->cpu_type); 249 250 /* External Flash (EMIFS) */ 251 memory_region_init_rom(flash, NULL, "palmte.flash", flash_size, 252 &error_fatal); 253 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 254 255 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 256 OMAP_CS0_SIZE - flash_size); 257 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 258 &cs[0]); 259 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 260 OMAP_CS1_SIZE); 261 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 262 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 263 OMAP_CS2_SIZE); 264 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 265 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 266 OMAP_CS3_SIZE); 267 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 268 269 palmte_microwire_setup(mpu); 270 271 qemu_add_kbd_event_handler(palmte_button_event, mpu); 272 273 palmte_gpio_setup(mpu); 274 275 /* Setup initial (reset) machine state */ 276 if (nb_option_roms) { 277 rom_size = get_image_size(option_rom[0].name); 278 if (rom_size > flash_size) { 279 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 280 __func__, rom_size, flash_size); 281 rom_size = 0; 282 } 283 if (rom_size > 0) { 284 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 285 flash_size); 286 rom_loaded = 1; 287 } 288 if (rom_size < 0) { 289 fprintf(stderr, "%s: error loading '%s'\n", 290 __func__, option_rom[0].name); 291 } 292 } 293 294 if (!rom_loaded && !machine->kernel_filename && !qtest_enabled()) { 295 fprintf(stderr, "Kernel or ROM image must be specified\n"); 296 exit(1); 297 } 298 299 /* Load the kernel. */ 300 arm_load_kernel(mpu->cpu, machine, &palmte_binfo); 301 } 302 303 static void palmte_machine_init(MachineClass *mc) 304 { 305 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 306 mc->init = palmte_init; 307 mc->ignore_memory_transaction_failures = true; 308 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 309 mc->default_ram_size = 0x02000000; 310 mc->default_ram_id = "omap1.dram"; 311 } 312 313 DEFINE_MACHINE("cheetah", palmte_machine_init) 314 315 static void palm_register_types(void) 316 { 317 type_register_static(&palm_misc_gpio_info); 318 } 319 320 type_init(palm_register_types)