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 "qemu/osdep.h" 20 #include "qapi/error.h" 21 #include "hw/hw.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/arm.h" 29 #include "hw/devices.h" 30 #include "hw/loader.h" 31 #include "exec/address-spaces.h" 32 #include "cpu.h" 33 34 static uint32_t static_readb(void *opaque, hwaddr offset) 35 { 36 uint32_t *val = (uint32_t *) opaque; 37 return *val >> ((offset & 3) << 3); 38 } 39 40 static uint32_t static_readh(void *opaque, hwaddr offset) 41 { 42 uint32_t *val = (uint32_t *) opaque; 43 return *val >> ((offset & 1) << 3); 44 } 45 46 static uint32_t static_readw(void *opaque, hwaddr offset) 47 { 48 uint32_t *val = (uint32_t *) opaque; 49 return *val >> ((offset & 0) << 3); 50 } 51 52 static void static_write(void *opaque, hwaddr offset, 53 uint32_t value) 54 { 55 #ifdef SPY 56 printf("%s: value %08lx written at " PA_FMT "\n", 57 __FUNCTION__, value, offset); 58 #endif 59 } 60 61 static const MemoryRegionOps static_ops = { 62 .old_mmio = { 63 .read = { static_readb, static_readh, static_readw, }, 64 .write = { static_write, static_write, static_write, }, 65 }, 66 .endianness = DEVICE_NATIVE_ENDIAN, 67 }; 68 69 /* Palm Tunsgten|E support */ 70 71 /* Shared GPIOs */ 72 #define PALMTE_USBDETECT_GPIO 0 73 #define PALMTE_USB_OR_DC_GPIO 1 74 #define PALMTE_TSC_GPIO 4 75 #define PALMTE_PINTDAV_GPIO 6 76 #define PALMTE_MMC_WP_GPIO 8 77 #define PALMTE_MMC_POWER_GPIO 9 78 #define PALMTE_HDQ_GPIO 11 79 #define PALMTE_HEADPHONES_GPIO 14 80 #define PALMTE_SPEAKER_GPIO 15 81 /* MPU private GPIOs */ 82 #define PALMTE_DC_GPIO 2 83 #define PALMTE_MMC_SWITCH_GPIO 4 84 #define PALMTE_MMC1_GPIO 6 85 #define PALMTE_MMC2_GPIO 7 86 #define PALMTE_MMC3_GPIO 11 87 88 static MouseTransformInfo palmte_pointercal = { 89 .x = 320, 90 .y = 320, 91 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 92 }; 93 94 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 95 { 96 uWireSlave *tsc; 97 98 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 99 100 omap_uwire_attach(cpu->microwire, tsc, 0); 101 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 102 103 tsc210x_set_transform(tsc, &palmte_pointercal); 104 } 105 106 static struct { 107 int row; 108 int column; 109 } palmte_keymap[0x80] = { 110 [0 ... 0x7f] = { -1, -1 }, 111 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 112 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 113 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 114 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 115 [0x01] = { 4, 0 }, /* Esc -> Power */ 116 [0x4b] = { 0, 1 }, /* Left */ 117 [0x50] = { 1, 1 }, /* Down */ 118 [0x48] = { 2, 1 }, /* Up */ 119 [0x4d] = { 3, 1 }, /* Right */ 120 [0x4c] = { 4, 1 }, /* Centre */ 121 [0x39] = { 4, 1 }, /* Spc -> Centre */ 122 }; 123 124 static void palmte_button_event(void *opaque, int keycode) 125 { 126 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 127 128 if (palmte_keymap[keycode & 0x7f].row != -1) 129 omap_mpuio_key(cpu->mpuio, 130 palmte_keymap[keycode & 0x7f].row, 131 palmte_keymap[keycode & 0x7f].column, 132 !(keycode & 0x80)); 133 } 134 135 static void palmte_onoff_gpios(void *opaque, int line, int level) 136 { 137 switch (line) { 138 case 0: 139 printf("%s: current to MMC/SD card %sabled.\n", 140 __FUNCTION__, level ? "dis" : "en"); 141 break; 142 case 1: 143 printf("%s: internal speaker amplifier %s.\n", 144 __FUNCTION__, level ? "down" : "on"); 145 break; 146 147 /* These LCD & Audio output signals have not been identified yet. */ 148 case 2: 149 case 3: 150 case 4: 151 printf("%s: LCD GPIO%i %s.\n", 152 __FUNCTION__, line - 1, level ? "high" : "low"); 153 break; 154 case 5: 155 case 6: 156 printf("%s: Audio GPIO%i %s.\n", 157 __FUNCTION__, line - 4, level ? "high" : "low"); 158 break; 159 } 160 } 161 162 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 163 { 164 qemu_irq *misc_gpio; 165 166 omap_mmc_handlers(cpu->mmc, 167 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 168 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 169 [PALMTE_MMC_SWITCH_GPIO])); 170 171 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 172 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 173 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 174 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 175 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 176 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 177 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 178 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 179 180 /* Reset some inputs to initial state. */ 181 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 182 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 183 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 184 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 185 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 186 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 187 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 188 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 189 } 190 191 static struct arm_boot_info palmte_binfo = { 192 .loader_start = OMAP_EMIFF_BASE, 193 .ram_size = 0x02000000, 194 .board_id = 0x331, 195 }; 196 197 static void palmte_init(MachineState *machine) 198 { 199 const char *kernel_filename = machine->kernel_filename; 200 const char *kernel_cmdline = machine->kernel_cmdline; 201 const char *initrd_filename = machine->initrd_filename; 202 MemoryRegion *address_space_mem = get_system_memory(); 203 struct omap_mpu_state_s *mpu; 204 int flash_size = 0x00800000; 205 int sdram_size = palmte_binfo.ram_size; 206 static uint32_t cs0val = 0xffffffff; 207 static uint32_t cs1val = 0x0000e1a0; 208 static uint32_t cs2val = 0x0000e1a0; 209 static uint32_t cs3val = 0xe1a0e1a0; 210 int rom_size, rom_loaded = 0; 211 MemoryRegion *flash = g_new(MemoryRegion, 1); 212 MemoryRegion *cs = g_new(MemoryRegion, 4); 213 214 mpu = omap310_mpu_init(address_space_mem, sdram_size, machine->cpu_type); 215 216 /* External Flash (EMIFS) */ 217 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, 218 &error_fatal); 219 memory_region_set_readonly(flash, true); 220 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 221 222 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 223 OMAP_CS0_SIZE - flash_size); 224 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 225 &cs[0]); 226 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 227 OMAP_CS1_SIZE); 228 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 229 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 230 OMAP_CS2_SIZE); 231 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 232 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 233 OMAP_CS3_SIZE); 234 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 235 236 palmte_microwire_setup(mpu); 237 238 qemu_add_kbd_event_handler(palmte_button_event, mpu); 239 240 palmte_gpio_setup(mpu); 241 242 /* Setup initial (reset) machine state */ 243 if (nb_option_roms) { 244 rom_size = get_image_size(option_rom[0].name); 245 if (rom_size > flash_size) { 246 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 247 __FUNCTION__, rom_size, flash_size); 248 rom_size = 0; 249 } 250 if (rom_size > 0) { 251 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 252 flash_size); 253 rom_loaded = 1; 254 } 255 if (rom_size < 0) { 256 fprintf(stderr, "%s: error loading '%s'\n", 257 __FUNCTION__, option_rom[0].name); 258 } 259 } 260 261 if (!rom_loaded && !kernel_filename && !qtest_enabled()) { 262 fprintf(stderr, "Kernel or ROM image must be specified\n"); 263 exit(1); 264 } 265 266 /* Load the kernel. */ 267 palmte_binfo.kernel_filename = kernel_filename; 268 palmte_binfo.kernel_cmdline = kernel_cmdline; 269 palmte_binfo.initrd_filename = initrd_filename; 270 arm_load_kernel(mpu->cpu, &palmte_binfo); 271 } 272 273 static void palmte_machine_init(MachineClass *mc) 274 { 275 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 276 mc->init = palmte_init; 277 mc->ignore_memory_transaction_failures = true; 278 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 279 } 280 281 DEFINE_MACHINE("cheetah", palmte_machine_init) 282