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/input/tsc2xxx.h" 30 #include "hw/loader.h" 31 #include "exec/address-spaces.h" 32 #include "cpu.h" 33 34 static uint64_t static_read(void *opaque, hwaddr offset, unsigned size) 35 { 36 uint32_t *val = (uint32_t *)opaque; 37 uint32_t sizemask = 7 >> size; 38 39 return *val >> ((offset & sizemask) << 3); 40 } 41 42 static void static_write(void *opaque, hwaddr offset, uint64_t value, 43 unsigned size) 44 { 45 #ifdef SPY 46 printf("%s: value %08lx written at " PA_FMT "\n", 47 __func__, value, offset); 48 #endif 49 } 50 51 static const MemoryRegionOps static_ops = { 52 .read = static_read, 53 .write = static_write, 54 .valid.min_access_size = 1, 55 .valid.max_access_size = 4, 56 .endianness = DEVICE_NATIVE_ENDIAN, 57 }; 58 59 /* Palm Tunsgten|E support */ 60 61 /* Shared GPIOs */ 62 #define PALMTE_USBDETECT_GPIO 0 63 #define PALMTE_USB_OR_DC_GPIO 1 64 #define PALMTE_TSC_GPIO 4 65 #define PALMTE_PINTDAV_GPIO 6 66 #define PALMTE_MMC_WP_GPIO 8 67 #define PALMTE_MMC_POWER_GPIO 9 68 #define PALMTE_HDQ_GPIO 11 69 #define PALMTE_HEADPHONES_GPIO 14 70 #define PALMTE_SPEAKER_GPIO 15 71 /* MPU private GPIOs */ 72 #define PALMTE_DC_GPIO 2 73 #define PALMTE_MMC_SWITCH_GPIO 4 74 #define PALMTE_MMC1_GPIO 6 75 #define PALMTE_MMC2_GPIO 7 76 #define PALMTE_MMC3_GPIO 11 77 78 static MouseTransformInfo palmte_pointercal = { 79 .x = 320, 80 .y = 320, 81 .a = { -5909, 8, 22465308, 104, 7644, -1219972, 65536 }, 82 }; 83 84 static void palmte_microwire_setup(struct omap_mpu_state_s *cpu) 85 { 86 uWireSlave *tsc; 87 88 tsc = tsc2102_init(qdev_get_gpio_in(cpu->gpio, PALMTE_PINTDAV_GPIO)); 89 90 omap_uwire_attach(cpu->microwire, tsc, 0); 91 omap_mcbsp_i2s_attach(cpu->mcbsp1, tsc210x_codec(tsc)); 92 93 tsc210x_set_transform(tsc, &palmte_pointercal); 94 } 95 96 static struct { 97 int row; 98 int column; 99 } palmte_keymap[0x80] = { 100 [0 ... 0x7f] = { -1, -1 }, 101 [0x3b] = { 0, 0 }, /* F1 -> Calendar */ 102 [0x3c] = { 1, 0 }, /* F2 -> Contacts */ 103 [0x3d] = { 2, 0 }, /* F3 -> Tasks List */ 104 [0x3e] = { 3, 0 }, /* F4 -> Note Pad */ 105 [0x01] = { 4, 0 }, /* Esc -> Power */ 106 [0x4b] = { 0, 1 }, /* Left */ 107 [0x50] = { 1, 1 }, /* Down */ 108 [0x48] = { 2, 1 }, /* Up */ 109 [0x4d] = { 3, 1 }, /* Right */ 110 [0x4c] = { 4, 1 }, /* Centre */ 111 [0x39] = { 4, 1 }, /* Spc -> Centre */ 112 }; 113 114 static void palmte_button_event(void *opaque, int keycode) 115 { 116 struct omap_mpu_state_s *cpu = (struct omap_mpu_state_s *) opaque; 117 118 if (palmte_keymap[keycode & 0x7f].row != -1) 119 omap_mpuio_key(cpu->mpuio, 120 palmte_keymap[keycode & 0x7f].row, 121 palmte_keymap[keycode & 0x7f].column, 122 !(keycode & 0x80)); 123 } 124 125 static void palmte_onoff_gpios(void *opaque, int line, int level) 126 { 127 switch (line) { 128 case 0: 129 printf("%s: current to MMC/SD card %sabled.\n", 130 __func__, level ? "dis" : "en"); 131 break; 132 case 1: 133 printf("%s: internal speaker amplifier %s.\n", 134 __func__, level ? "down" : "on"); 135 break; 136 137 /* These LCD & Audio output signals have not been identified yet. */ 138 case 2: 139 case 3: 140 case 4: 141 printf("%s: LCD GPIO%i %s.\n", 142 __func__, line - 1, level ? "high" : "low"); 143 break; 144 case 5: 145 case 6: 146 printf("%s: Audio GPIO%i %s.\n", 147 __func__, line - 4, level ? "high" : "low"); 148 break; 149 } 150 } 151 152 static void palmte_gpio_setup(struct omap_mpu_state_s *cpu) 153 { 154 qemu_irq *misc_gpio; 155 156 omap_mmc_handlers(cpu->mmc, 157 qdev_get_gpio_in(cpu->gpio, PALMTE_MMC_WP_GPIO), 158 qemu_irq_invert(omap_mpuio_in_get(cpu->mpuio) 159 [PALMTE_MMC_SWITCH_GPIO])); 160 161 misc_gpio = qemu_allocate_irqs(palmte_onoff_gpios, cpu, 7); 162 qdev_connect_gpio_out(cpu->gpio, PALMTE_MMC_POWER_GPIO, misc_gpio[0]); 163 qdev_connect_gpio_out(cpu->gpio, PALMTE_SPEAKER_GPIO, misc_gpio[1]); 164 qdev_connect_gpio_out(cpu->gpio, 11, misc_gpio[2]); 165 qdev_connect_gpio_out(cpu->gpio, 12, misc_gpio[3]); 166 qdev_connect_gpio_out(cpu->gpio, 13, misc_gpio[4]); 167 omap_mpuio_out_set(cpu->mpuio, 1, misc_gpio[5]); 168 omap_mpuio_out_set(cpu->mpuio, 3, misc_gpio[6]); 169 170 /* Reset some inputs to initial state. */ 171 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USBDETECT_GPIO)); 172 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_USB_OR_DC_GPIO)); 173 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, 4)); 174 qemu_irq_lower(qdev_get_gpio_in(cpu->gpio, PALMTE_HEADPHONES_GPIO)); 175 qemu_irq_lower(omap_mpuio_in_get(cpu->mpuio)[PALMTE_DC_GPIO]); 176 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[6]); 177 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[7]); 178 qemu_irq_raise(omap_mpuio_in_get(cpu->mpuio)[11]); 179 } 180 181 static struct arm_boot_info palmte_binfo = { 182 .loader_start = OMAP_EMIFF_BASE, 183 .ram_size = 0x02000000, 184 .board_id = 0x331, 185 }; 186 187 static void palmte_init(MachineState *machine) 188 { 189 const char *kernel_filename = machine->kernel_filename; 190 const char *kernel_cmdline = machine->kernel_cmdline; 191 const char *initrd_filename = machine->initrd_filename; 192 MemoryRegion *address_space_mem = get_system_memory(); 193 struct omap_mpu_state_s *mpu; 194 int flash_size = 0x00800000; 195 int sdram_size = palmte_binfo.ram_size; 196 static uint32_t cs0val = 0xffffffff; 197 static uint32_t cs1val = 0x0000e1a0; 198 static uint32_t cs2val = 0x0000e1a0; 199 static uint32_t cs3val = 0xe1a0e1a0; 200 int rom_size, rom_loaded = 0; 201 MemoryRegion *flash = g_new(MemoryRegion, 1); 202 MemoryRegion *cs = g_new(MemoryRegion, 4); 203 204 mpu = omap310_mpu_init(address_space_mem, sdram_size, machine->cpu_type); 205 206 /* External Flash (EMIFS) */ 207 memory_region_init_ram(flash, NULL, "palmte.flash", flash_size, 208 &error_fatal); 209 memory_region_set_readonly(flash, true); 210 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE, flash); 211 212 memory_region_init_io(&cs[0], NULL, &static_ops, &cs0val, "palmte-cs0", 213 OMAP_CS0_SIZE - flash_size); 214 memory_region_add_subregion(address_space_mem, OMAP_CS0_BASE + flash_size, 215 &cs[0]); 216 memory_region_init_io(&cs[1], NULL, &static_ops, &cs1val, "palmte-cs1", 217 OMAP_CS1_SIZE); 218 memory_region_add_subregion(address_space_mem, OMAP_CS1_BASE, &cs[1]); 219 memory_region_init_io(&cs[2], NULL, &static_ops, &cs2val, "palmte-cs2", 220 OMAP_CS2_SIZE); 221 memory_region_add_subregion(address_space_mem, OMAP_CS2_BASE, &cs[2]); 222 memory_region_init_io(&cs[3], NULL, &static_ops, &cs3val, "palmte-cs3", 223 OMAP_CS3_SIZE); 224 memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]); 225 226 palmte_microwire_setup(mpu); 227 228 qemu_add_kbd_event_handler(palmte_button_event, mpu); 229 230 palmte_gpio_setup(mpu); 231 232 /* Setup initial (reset) machine state */ 233 if (nb_option_roms) { 234 rom_size = get_image_size(option_rom[0].name); 235 if (rom_size > flash_size) { 236 fprintf(stderr, "%s: ROM image too big (%x > %x)\n", 237 __func__, rom_size, flash_size); 238 rom_size = 0; 239 } 240 if (rom_size > 0) { 241 rom_size = load_image_targphys(option_rom[0].name, OMAP_CS0_BASE, 242 flash_size); 243 rom_loaded = 1; 244 } 245 if (rom_size < 0) { 246 fprintf(stderr, "%s: error loading '%s'\n", 247 __func__, option_rom[0].name); 248 } 249 } 250 251 if (!rom_loaded && !kernel_filename && !qtest_enabled()) { 252 fprintf(stderr, "Kernel or ROM image must be specified\n"); 253 exit(1); 254 } 255 256 /* Load the kernel. */ 257 palmte_binfo.kernel_filename = kernel_filename; 258 palmte_binfo.kernel_cmdline = kernel_cmdline; 259 palmte_binfo.initrd_filename = initrd_filename; 260 arm_load_kernel(mpu->cpu, &palmte_binfo); 261 } 262 263 static void palmte_machine_init(MachineClass *mc) 264 { 265 mc->desc = "Palm Tungsten|E aka. Cheetah PDA (OMAP310)"; 266 mc->init = palmte_init; 267 mc->ignore_memory_transaction_failures = true; 268 mc->default_cpu_type = ARM_CPU_TYPE_NAME("ti925t"); 269 } 270 271 DEFINE_MACHINE("cheetah", palmte_machine_init) 272