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 "hw/hw.h" 23 #include "audio/audio.h" 24 #include "sysemu/sysemu.h" 25 #include "sysemu/qtest.h" 26 #include "ui/console.h" 27 #include "hw/arm/omap.h" 28 #include "hw/boards.h" 29 #include "hw/arm/boot.h" 30 #include "hw/input/tsc2xxx.h" 31 #include "hw/irq.h" 32 #include "hw/loader.h" 33 #include "exec/address-spaces.h" 34 #include "cpu.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 static void palmte_onoff_gpios(void *opaque, int line, int level) 128 { 129 switch (line) { 130 case 0: 131 printf("%s: current to MMC/SD card %sabled.\n", 132 __func__, level ? "dis" : "en"); 133 break; 134 case 1: 135 printf("%s: internal speaker amplifier %s.\n", 136 __func__, level ? "down" : "on"); 137 break; 138 139 /* These LCD & Audio output signals have not been identified yet. */ 140 case 2: 141 case 3: 142 case 4: 143 printf("%s: LCD GPIO%i %s.\n", 144 __func__, line - 1, level ? "high" : "low"); 145 break; 146 case 5: 147 case 6: 148 printf("%s: Audio GPIO%i %s.\n", 149 __func__, line - 4, level ? "high" : "low"); 150 break; 151 } 152 } 153 154 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 155 { 156 qemu_irq *misc_gpio; 157 158 omap_mmc_handlers(cpu->mmc, 159 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 160 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 161 [PALMTE_MMC_SWITCH_GPIO])); 162 163 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 164 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 165 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 166 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 167 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 168 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 169 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 170 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 171 172 /* Reset some inputs to initial state. */ 173 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 174 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 175 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 176 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 177 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 178 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 179 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 180 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 181 } 182 183 static struct arm_boot_info palmte_binfo = { 184 .loader_start = OMAP_EMIFF_BASE, 185 .ram_size = 0x02000000, 186 .board_id = 0x331, 187 }; 188 189 static void palmte_init(MachineState *machine) 190 { 191 const char *kernel_filename = machine->kernel_filename; 192 const char *kernel_cmdline = machine->kernel_cmdline; 193 const char *initrd_filename = machine->initrd_filename; 194 MemoryRegion *address_space_mem = get_system_memory(); 195 struct omap_mpu_state_s *mpu; 196 int flash_size = 0x00800000; 197 int sdram_size = palmte_binfo.ram_size; 198 static uint32_t cs0val = 0xffffffff; 199 static uint32_t cs1val = 0x0000e1a0; 200 static uint32_t cs2val = 0x0000e1a0; 201 static uint32_t cs3val = 0xe1a0e1a0; 202 int rom_size, rom_loaded = 0; 203 MemoryRegion *flash = g_new(MemoryRegion, 1); 204 MemoryRegion *cs = g_new(MemoryRegion, 4); 205 206 mpu = omap310_mpu_init(address_space_mem, sdram_size, machine->cpu_type); 207 208 /* External Flash (EMIFS) */ 209 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, 210 &error_fatal); 211 memory_region_set_readonly(flash, true); 212 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 213 214 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 215 OMAP_CS0_SIZE - flash_size); 216 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 217 &cs[0]); 218 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 219 OMAP_CS1_SIZE); 220 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 221 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 222 OMAP_CS2_SIZE); 223 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 224 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 225 OMAP_CS3_SIZE); 226 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 227 228 palmte_microwire_setup(mpu); 229 230 qemu_add_kbd_event_handler(palmte_button_event, mpu); 231 232 palmte_gpio_setup(mpu); 233 234 /* Setup initial (reset) machine state */ 235 if (nb_option_roms) { 236 rom_size = get_image_size(option_rom[0].name); 237 if (rom_size > flash_size) { 238 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 239 __func__, rom_size, flash_size); 240 rom_size = 0; 241 } 242 if (rom_size > 0) { 243 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 244 flash_size); 245 rom_loaded = 1; 246 } 247 if (rom_size < 0) { 248 fprintf(stderr, "%s: error loading '%s'\n", 249 __func__, option_rom[0].name); 250 } 251 } 252 253 if (!rom_loaded && !kernel_filename && !qtest_enabled()) { 254 fprintf(stderr, "Kernel or ROM image must be specified\n"); 255 exit(1); 256 } 257 258 /* Load the kernel. */ 259 palmte_binfo.kernel_filename = kernel_filename; 260 palmte_binfo.kernel_cmdline = kernel_cmdline; 261 palmte_binfo.initrd_filename = initrd_filename; 262 arm_load_kernel(mpu->cpu, &palmte_binfo); 263 } 264 265 static void palmte_machine_init(MachineClass *mc) 266 { 267 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 268 mc->init = palmte_init; 269 mc->ignore_memory_transaction_failures = true; 270 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 271 } 272 273 DEFINE_MACHINE("cheetah", palmte_machine_init) 274