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 "sysemu/qtest.h" 23 #include "ui/console.h" 24 #include "hw/arm/omap.h" 25 #include "hw/boards.h" 26 #include "hw/arm/arm.h" 27 #include "hw/devices.h" 28 #include "hw/loader.h" 29 #include "exec/address-spaces.h" 30 31 static uint32_t static_readb(void *opaque, hwaddr offset) 32 { 33 uint32_t *val = (uint32_t *) opaque; 34 return *val >> ((offset & 3) << 3); 35 } 36 37 static uint32_t static_readh(void *opaque, hwaddr offset) 38 { 39 uint32_t *val = (uint32_t *) opaque; 40 return *val >> ((offset & 1) << 3); 41 } 42 43 static uint32_t static_readw(void *opaque, hwaddr offset) 44 { 45 uint32_t *val = (uint32_t *) opaque; 46 return *val >> ((offset & 0) << 3); 47 } 48 49 static void static_write(void *opaque, hwaddr offset, 50 uint32_t value) 51 { 52 #ifdef SPY 53 printf("%s: value %08lx written at " PA_FMT "\n", 54 __FUNCTION__, value, offset); 55 #endif 56 } 57 58 static const MemoryRegionOps static_ops = { 59 .old_mmio = { 60 .read = { static_readb, static_readh, static_readw, }, 61 .write = { static_write, static_write, static_write, }, 62 }, 63 .endianness = DEVICE_NATIVE_ENDIAN, 64 }; 65 66 /* Palm Tunsgten|E support */ 67 68 /* Shared GPIOs */ 69 #define PALMTE_USBDETECT_GPIO 0 70 #define PALMTE_USB_OR_DC_GPIO 1 71 #define PALMTE_TSC_GPIO 4 72 #define PALMTE_PINTDAV_GPIO 6 73 #define PALMTE_MMC_WP_GPIO 8 74 #define PALMTE_MMC_POWER_GPIO 9 75 #define PALMTE_HDQ_GPIO 11 76 #define PALMTE_HEADPHONES_GPIO 14 77 #define PALMTE_SPEAKER_GPIO 15 78 /* MPU private GPIOs */ 79 #define PALMTE_DC_GPIO 2 80 #define PALMTE_MMC_SWITCH_GPIO 4 81 #define PALMTE_MMC1_GPIO 6 82 #define PALMTE_MMC2_GPIO 7 83 #define PALMTE_MMC3_GPIO 11 84 85 static MouseTransformInfo palmte_pointercal = { 86 .x = 320, 87 .y = 320, 88 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 89 }; 90 91 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 92 { 93 uWireSlave *tsc; 94 95 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 96 97 omap_uwire_attach(cpu->microwire, tsc, 0); 98 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 99 100 tsc210x_set_transform(tsc, &palmte_pointercal); 101 } 102 103 static struct { 104 int row; 105 int column; 106 } palmte_keymap[0x80] = { 107 [0 ... 0x7f] = { -1, -1 }, 108 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 109 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 110 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 111 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 112 [0x01] = { 4, 0 }, /* Esc -> Power */ 113 [0x4b] = { 0, 1 }, /* Left */ 114 [0x50] = { 1, 1 }, /* Down */ 115 [0x48] = { 2, 1 }, /* Up */ 116 [0x4d] = { 3, 1 }, /* Right */ 117 [0x4c] = { 4, 1 }, /* Centre */ 118 [0x39] = { 4, 1 }, /* Spc -> Centre */ 119 }; 120 121 static void palmte_button_event(void *opaque, int keycode) 122 { 123 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 124 125 if (palmte_keymap[keycode & 0x7f].row != -1) 126 omap_mpuio_key(cpu->mpuio, 127 palmte_keymap[keycode & 0x7f].row, 128 palmte_keymap[keycode & 0x7f].column, 129 !(keycode & 0x80)); 130 } 131 132 static void palmte_onoff_gpios(void *opaque, int line, int level) 133 { 134 switch (line) { 135 case 0: 136 printf("%s: current to MMC/SD card %sabled.\n", 137 __FUNCTION__, level ? "dis" : "en"); 138 break; 139 case 1: 140 printf("%s: internal speaker amplifier %s.\n", 141 __FUNCTION__, level ? "down" : "on"); 142 break; 143 144 /* These LCD & Audio output signals have not been identified yet. */ 145 case 2: 146 case 3: 147 case 4: 148 printf("%s: LCD GPIO%i %s.\n", 149 __FUNCTION__, line - 1, level ? "high" : "low"); 150 break; 151 case 5: 152 case 6: 153 printf("%s: Audio GPIO%i %s.\n", 154 __FUNCTION__, line - 4, level ? "high" : "low"); 155 break; 156 } 157 } 158 159 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 160 { 161 qemu_irq *misc_gpio; 162 163 omap_mmc_handlers(cpu->mmc, 164 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 165 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 166 [PALMTE_MMC_SWITCH_GPIO])); 167 168 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 169 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 170 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 171 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 172 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 173 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 174 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 175 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 176 177 /* Reset some inputs to initial state. */ 178 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 179 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 180 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 181 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 182 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 183 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 184 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 185 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 186 } 187 188 static struct arm_boot_info palmte_binfo = { 189 .loader_start = OMAP_EMIFF_BASE, 190 .ram_size = 0x02000000, 191 .board_id = 0x331, 192 }; 193 194 static void palmte_init(MachineState *machine) 195 { 196 const char *cpu_model = machine->cpu_model; 197 const char *kernel_filename = machine->kernel_filename; 198 const char *kernel_cmdline = machine->kernel_cmdline; 199 const char *initrd_filename = machine->initrd_filename; 200 MemoryRegion *address_space_mem = get_system_memory(); 201 struct omap_mpu_state_s *mpu; 202 int flash_size = 0x00800000; 203 int sdram_size = palmte_binfo.ram_size; 204 static uint32_t cs0val = 0xffffffff; 205 static uint32_t cs1val = 0x0000e1a0; 206 static uint32_t cs2val = 0x0000e1a0; 207 static uint32_t cs3val = 0xe1a0e1a0; 208 int rom_size, rom_loaded = 0; 209 MemoryRegion *flash = g_new(MemoryRegion, 1); 210 MemoryRegion *cs = g_new(MemoryRegion, 4); 211 212 mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model); 213 214 /* External Flash (EMIFS) */ 215 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, 216 &error_fatal); 217 vmstate_register_ram_global(flash); 218 memory_region_set_readonly(flash, true); 219 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 220 221 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 222 OMAP_CS0_SIZE - flash_size); 223 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 224 &cs[0]); 225 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 226 OMAP_CS1_SIZE); 227 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 228 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 229 OMAP_CS2_SIZE); 230 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 231 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 232 OMAP_CS3_SIZE); 233 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 234 235 palmte_microwire_setup(mpu); 236 237 qemu_add_kbd_event_handler(palmte_button_event, mpu); 238 239 palmte_gpio_setup(mpu); 240 241 /* Setup initial (reset) machine state */ 242 if (nb_option_roms) { 243 rom_size = get_image_size(option_rom[0].name); 244 if (rom_size > flash_size) { 245 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 246 __FUNCTION__, rom_size, flash_size); 247 rom_size = 0; 248 } 249 if (rom_size > 0) { 250 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 251 flash_size); 252 rom_loaded = 1; 253 } 254 if (rom_size < 0) { 255 fprintf(stderr, "%s: error loading '%s'\n", 256 __FUNCTION__, option_rom[0].name); 257 } 258 } 259 260 if (!rom_loaded && !kernel_filename && !qtest_enabled()) { 261 fprintf(stderr, "Kernel or ROM image must be specified\n"); 262 exit(1); 263 } 264 265 /* Load the kernel. */ 266 palmte_binfo.kernel_filename = kernel_filename; 267 palmte_binfo.kernel_cmdline = kernel_cmdline; 268 palmte_binfo.initrd_filename = initrd_filename; 269 arm_load_kernel(mpu->cpu, &palmte_binfo); 270 } 271 272 static void palmte_machine_init(MachineClass *mc) 273 { 274 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 275 mc->init = palmte_init; 276 } 277 278 DEFINE_MACHINE("cheetah", palmte_machine_init) 279