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/hw.h" 20 #include "audio/audio.h" 21 #include "sysemu/sysemu.h" 22 #include "ui/console.h" 23 #include "hw/arm/omap.h" 24 #include "hw/boards.h" 25 #include "hw/arm/arm.h" 26 #include "hw/devices.h" 27 #include "hw/loader.h" 28 #include "exec/address-spaces.h" 29 30 static uint32_t static_readb(void *opaque, hwaddr 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, hwaddr 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, hwaddr offset) 43 { 44 uint32_t *val = (uint32_t *) opaque; 45 return *val >> ((offset & 0) << 3); 46 } 47 48 static void static_write(void *opaque, hwaddr 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 const MemoryRegionOps static_ops = { 58 .old_mmio = { 59 .read = { static_readb, static_readh, static_readw, }, 60 .write = { static_write, static_write, static_write, }, 61 }, 62 .endianness = DEVICE_NATIVE_ENDIAN, 63 }; 64 65 /* Palm Tunsgten|E support */ 66 67 /* Shared GPIOs */ 68 #define PALMTE_USBDETECT_GPIO 0 69 #define PALMTE_USB_OR_DC_GPIO 1 70 #define PALMTE_TSC_GPIO 4 71 #define PALMTE_PINTDAV_GPIO 6 72 #define PALMTE_MMC_WP_GPIO 8 73 #define PALMTE_MMC_POWER_GPIO 9 74 #define PALMTE_HDQ_GPIO 11 75 #define PALMTE_HEADPHONES_GPIO 14 76 #define PALMTE_SPEAKER_GPIO 15 77 /* MPU private GPIOs */ 78 #define PALMTE_DC_GPIO 2 79 #define PALMTE_MMC_SWITCH_GPIO 4 80 #define PALMTE_MMC1_GPIO 6 81 #define PALMTE_MMC2_GPIO 7 82 #define PALMTE_MMC3_GPIO 11 83 84 static MouseTransformInfo palmte_pointercal = { 85 .x = 320, 86 .y = 320, 87 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 88 }; 89 90 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 91 { 92 uWireSlave *tsc; 93 94 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 95 96 omap_uwire_attach(cpu->microwire, tsc, 0); 97 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 98 99 tsc210x_set_transform(tsc, &palmte_pointercal); 100 } 101 102 static struct { 103 int row; 104 int column; 105 } palmte_keymap[0x80] = { 106 [0 ... 0x7f] = { -1, -1 }, 107 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 108 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 109 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 110 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 111 [0x01] = { 4, 0 }, /* Esc -> Power */ 112 [0x4b] = { 0, 1 }, /* Left */ 113 [0x50] = { 1, 1 }, /* Down */ 114 [0x48] = { 2, 1 }, /* Up */ 115 [0x4d] = { 3, 1 }, /* Right */ 116 [0x4c] = { 4, 1 }, /* Centre */ 117 [0x39] = { 4, 1 }, /* Spc -> Centre */ 118 }; 119 120 static void palmte_button_event(void *opaque, int keycode) 121 { 122 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 123 124 if (palmte_keymap[keycode & 0x7f].row != -1) 125 omap_mpuio_key(cpu->mpuio, 126 palmte_keymap[keycode & 0x7f].row, 127 palmte_keymap[keycode & 0x7f].column, 128 !(keycode & 0x80)); 129 } 130 131 static void palmte_onoff_gpios(void *opaque, int line, int level) 132 { 133 switch (line) { 134 case 0: 135 printf("%s: current to MMC/SD card %sabled.\n", 136 __FUNCTION__, level ? "dis" : "en"); 137 break; 138 case 1: 139 printf("%s: internal speaker amplifier %s.\n", 140 __FUNCTION__, level ? "down" : "on"); 141 break; 142 143 /* These LCD & Audio output signals have not been identified yet. */ 144 case 2: 145 case 3: 146 case 4: 147 printf("%s: LCD GPIO%i %s.\n", 148 __FUNCTION__, line - 1, level ? "high" : "low"); 149 break; 150 case 5: 151 case 6: 152 printf("%s: Audio GPIO%i %s.\n", 153 __FUNCTION__, line - 4, level ? "high" : "low"); 154 break; 155 } 156 } 157 158 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 159 { 160 qemu_irq *misc_gpio; 161 162 omap_mmc_handlers(cpu->mmc, 163 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 164 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 165 [PALMTE_MMC_SWITCH_GPIO])); 166 167 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 168 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 169 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 170 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 171 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 172 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 173 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 174 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 175 176 /* Reset some inputs to initial state. */ 177 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 178 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 179 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 180 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 181 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 182 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 183 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 184 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 185 } 186 187 static struct arm_boot_info palmte_binfo = { 188 .loader_start = OMAP_EMIFF_BASE, 189 .ram_size = 0x02000000, 190 .board_id = 0x331, 191 }; 192 193 static void palmte_init(QEMUMachineInitArgs *args) 194 { 195 const char *cpu_model = args->cpu_model; 196 const char *kernel_filename = args->kernel_filename; 197 const char *kernel_cmdline = args->kernel_cmdline; 198 const char *initrd_filename = args->initrd_filename; 199 MemoryRegion *address_space_mem = get_system_memory(); 200 struct omap_mpu_state_s *mpu; 201 int flash_size = 0x00800000; 202 int sdram_size = palmte_binfo.ram_size; 203 static uint32_t cs0val = 0xffffffff; 204 static uint32_t cs1val = 0x0000e1a0; 205 static uint32_t cs2val = 0x0000e1a0; 206 static uint32_t cs3val = 0xe1a0e1a0; 207 int rom_size, rom_loaded = 0; 208 MemoryRegion *flash = g_new(MemoryRegion, 1); 209 MemoryRegion *cs = g_new(MemoryRegion, 4); 210 211 mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model); 212 213 /* External Flash (EMIFS) */ 214 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size); 215 vmstate_register_ram_global(flash); 216 memory_region_set_readonly(flash, true); 217 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 218 219 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 220 OMAP_CS0_SIZE - flash_size); 221 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 222 &cs[0]); 223 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 224 OMAP_CS1_SIZE); 225 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 226 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 227 OMAP_CS2_SIZE); 228 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 229 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 230 OMAP_CS3_SIZE); 231 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 232 233 palmte_microwire_setup(mpu); 234 235 qemu_add_kbd_event_handler(palmte_button_event, mpu); 236 237 palmte_gpio_setup(mpu); 238 239 /* Setup initial (reset) machine state */ 240 if (nb_option_roms) { 241 rom_size = get_image_size(option_rom[0].name); 242 if (rom_size > flash_size) { 243 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 244 __FUNCTION__, rom_size, flash_size); 245 rom_size = 0; 246 } 247 if (rom_size > 0) { 248 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 249 flash_size); 250 rom_loaded = 1; 251 } 252 if (rom_size < 0) { 253 fprintf(stderr, "%s: error loading '%s'\n", 254 __FUNCTION__, option_rom[0].name); 255 } 256 } 257 258 if (!rom_loaded && !kernel_filename) { 259 fprintf(stderr, "Kernel or ROM image must be specified\n"); 260 exit(1); 261 } 262 263 /* Load the kernel. */ 264 if (kernel_filename) { 265 palmte_binfo.kernel_filename = kernel_filename; 266 palmte_binfo.kernel_cmdline = kernel_cmdline; 267 palmte_binfo.initrd_filename = initrd_filename; 268 arm_load_kernel(mpu->cpu, &palmte_binfo); 269 } 270 } 271 272 static QEMUMachine palmte_machine = { 273 .name = "cheetah", 274 .desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)", 275 .init = palmte_init, 276 }; 277 278 static void palmte_machine_init(void) 279 { 280 qemu_register_machine(&palmte_machine); 281 } 282 283 machine_init(palmte_machine_init); 284