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 33 static uint32_t static_readb(void *opaque, hwaddr offset) 34 { 35 uint32_t *val = (uint32_t *) opaque; 36 return *val >> ((offset & 3) << 3); 37 } 38 39 static uint32_t static_readh(void *opaque, hwaddr offset) 40 { 41 uint32_t *val = (uint32_t *) opaque; 42 return *val >> ((offset & 1) << 3); 43 } 44 45 static uint32_t static_readw(void *opaque, hwaddr offset) 46 { 47 uint32_t *val = (uint32_t *) opaque; 48 return *val >> ((offset & 0) << 3); 49 } 50 51 static void static_write(void *opaque, hwaddr offset, 52 uint32_t value) 53 { 54 #ifdef SPY 55 printf("%s: value %08lx written at " PA_FMT "\n", 56 __FUNCTION__, value, offset); 57 #endif 58 } 59 60 static const MemoryRegionOps static_ops = { 61 .old_mmio = { 62 .read = { static_readb, static_readh, static_readw, }, 63 .write = { static_write, static_write, static_write, }, 64 }, 65 .endianness = DEVICE_NATIVE_ENDIAN, 66 }; 67 68 /* Palm Tunsgten|E support */ 69 70 /* Shared GPIOs */ 71 #define PALMTE_USBDETECT_GPIO 0 72 #define PALMTE_USB_OR_DC_GPIO 1 73 #define PALMTE_TSC_GPIO 4 74 #define PALMTE_PINTDAV_GPIO 6 75 #define PALMTE_MMC_WP_GPIO 8 76 #define PALMTE_MMC_POWER_GPIO 9 77 #define PALMTE_HDQ_GPIO 11 78 #define PALMTE_HEADPHONES_GPIO 14 79 #define PALMTE_SPEAKER_GPIO 15 80 /* MPU private GPIOs */ 81 #define PALMTE_DC_GPIO 2 82 #define PALMTE_MMC_SWITCH_GPIO 4 83 #define PALMTE_MMC1_GPIO 6 84 #define PALMTE_MMC2_GPIO 7 85 #define PALMTE_MMC3_GPIO 11 86 87 static MouseTransformInfo palmte_pointercal = { 88 .x = 320, 89 .y = 320, 90 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 91 }; 92 93 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 94 { 95 uWireSlave *tsc; 96 97 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 98 99 omap_uwire_attach(cpu->microwire, tsc, 0); 100 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 101 102 tsc210x_set_transform(tsc, &palmte_pointercal); 103 } 104 105 static struct { 106 int row; 107 int column; 108 } palmte_keymap[0x80] = { 109 [0 ... 0x7f] = { -1, -1 }, 110 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 111 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 112 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 113 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 114 [0x01] = { 4, 0 }, /* Esc -> Power */ 115 [0x4b] = { 0, 1 }, /* Left */ 116 [0x50] = { 1, 1 }, /* Down */ 117 [0x48] = { 2, 1 }, /* Up */ 118 [0x4d] = { 3, 1 }, /* Right */ 119 [0x4c] = { 4, 1 }, /* Centre */ 120 [0x39] = { 4, 1 }, /* Spc -> Centre */ 121 }; 122 123 static void palmte_button_event(void *opaque, int keycode) 124 { 125 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 126 127 if (palmte_keymap[keycode & 0x7f].row != -1) 128 omap_mpuio_key(cpu->mpuio, 129 palmte_keymap[keycode & 0x7f].row, 130 palmte_keymap[keycode & 0x7f].column, 131 !(keycode & 0x80)); 132 } 133 134 static void palmte_onoff_gpios(void *opaque, int line, int level) 135 { 136 switch (line) { 137 case 0: 138 printf("%s: current to MMC/SD card %sabled.\n", 139 __FUNCTION__, level ? "dis" : "en"); 140 break; 141 case 1: 142 printf("%s: internal speaker amplifier %s.\n", 143 __FUNCTION__, level ? "down" : "on"); 144 break; 145 146 /* These LCD & Audio output signals have not been identified yet. */ 147 case 2: 148 case 3: 149 case 4: 150 printf("%s: LCD GPIO%i %s.\n", 151 __FUNCTION__, line - 1, level ? "high" : "low"); 152 break; 153 case 5: 154 case 6: 155 printf("%s: Audio GPIO%i %s.\n", 156 __FUNCTION__, line - 4, level ? "high" : "low"); 157 break; 158 } 159 } 160 161 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 162 { 163 qemu_irq *misc_gpio; 164 165 omap_mmc_handlers(cpu->mmc, 166 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 167 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 168 [PALMTE_MMC_SWITCH_GPIO])); 169 170 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 171 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 172 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 173 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 174 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 175 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 176 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 177 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 178 179 /* Reset some inputs to initial state. */ 180 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 181 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 182 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 183 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 184 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 185 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 186 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 187 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 188 } 189 190 static struct arm_boot_info palmte_binfo = { 191 .loader_start = OMAP_EMIFF_BASE, 192 .ram_size = 0x02000000, 193 .board_id = 0x331, 194 }; 195 196 static void palmte_init(MachineState *machine) 197 { 198 const char *cpu_model = machine->cpu_model; 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, cpu_model); 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 } 278 279 DEFINE_MACHINE("cheetah", palmte_machine_init) 280