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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 | /* * linux/arch/arm/mach-omap1/board-palmz71.c * * Modified from board-generic.c * * Support for the Palm Zire71 PDA. * * Original version : Laurent Gonzalez * * Modified for zire71 : Marek Vasut * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/delay.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/notifier.h> #include <linux/clk.h> #include <linux/irq.h> #include <linux/input.h> #include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/flash.h> #include <mach/gpio.h> #include <mach/mux.h> #include <mach/usb.h> #include <mach/dma.h> #include <mach/tc.h> #include <mach/board.h> #include <mach/irda.h> #include <mach/keypad.h> #include <mach/common.h> #include <mach/omap-alsa.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> #define PALMZ71_USBDETECT_GPIO 0 #define PALMZ71_PENIRQ_GPIO 6 #define PALMZ71_MMC_WP_GPIO 8 #define PALMZ71_HDQ_GPIO 11 #define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1) #define PALMZ71_CABLE_GPIO OMAP_MPUIO(2) #define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3) #define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4) static void __init omap_palmz71_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); omap_gpio_init(); } static int palmz71_keymap[] = { KEY(0, 0, KEY_F1), KEY(0, 1, KEY_F2), KEY(0, 2, KEY_F3), KEY(0, 3, KEY_F4), KEY(0, 4, KEY_POWER), KEY(1, 0, KEY_LEFT), KEY(1, 1, KEY_DOWN), KEY(1, 2, KEY_UP), KEY(1, 3, KEY_RIGHT), KEY(1, 4, KEY_ENTER), KEY(2, 0, KEY_CAMERA), 0, }; static struct omap_kp_platform_data palmz71_kp_data = { .rows = 8, .cols = 8, .keymap = palmz71_keymap, .rep = 1, .delay = 80, }; static struct resource palmz71_kp_resources[] = { [0] = { .start = INT_KEYBOARD, .end = INT_KEYBOARD, .flags = IORESOURCE_IRQ, }, }; static struct platform_device palmz71_kp_device = { .name = "omap-keypad", .id = -1, .dev = { .platform_data = &palmz71_kp_data, }, .num_resources = ARRAY_SIZE(palmz71_kp_resources), .resource = palmz71_kp_resources, }; static struct mtd_partition palmz71_rom_partitions[] = { /* PalmOS "Small ROM", contains the bootloader and the debugger */ { .name = "smallrom", .offset = 0, .size = 0xa000, .mask_flags = MTD_WRITEABLE, }, /* PalmOS "Big ROM", a filesystem with all the OS code and data */ { .name = "bigrom", .offset = SZ_128K, /* * 0x5f0000 bytes big in the multi-language ("EFIGS") version, * 0x7b0000 bytes in the English-only ("enUS") version. */ .size = 0x7b0000, .mask_flags = MTD_WRITEABLE, }, }; static struct flash_platform_data palmz71_rom_data = { .map_name = "map_rom", .name = "onboardrom", .width = 2, .parts = palmz71_rom_partitions, .nr_parts = ARRAY_SIZE(palmz71_rom_partitions), }; static struct resource palmz71_rom_resource = { .start = OMAP_CS0_PHYS, .end = OMAP_CS0_PHYS + SZ_8M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device palmz71_rom_device = { .name = "omapflash", .id = -1, .dev = { .platform_data = &palmz71_rom_data, }, .num_resources = 1, .resource = &palmz71_rom_resource, }; static struct platform_device palmz71_lcd_device = { .name = "lcd_palmz71", .id = -1, }; static struct omap_irda_config palmz71_irda_config = { .transceiver_cap = IR_SIRMODE, .rx_channel = OMAP_DMA_UART3_RX, .tx_channel = OMAP_DMA_UART3_TX, .dest_start = UART3_THR, .src_start = UART3_RHR, .tx_trigger = 0, .rx_trigger = 0, }; static struct resource palmz71_irda_resources[] = { [0] = { .start = INT_UART3, .end = INT_UART3, .flags = IORESOURCE_IRQ, }, }; static struct platform_device palmz71_irda_device = { .name = "omapirda", .id = -1, .dev = { .platform_data = &palmz71_irda_config, }, .num_resources = ARRAY_SIZE(palmz71_irda_resources), .resource = palmz71_irda_resources, }; static struct platform_device palmz71_spi_device = { .name = "spi_palmz71", .id = -1, }; static struct omap_backlight_config palmz71_backlight_config = { .default_intensity = 0xa0, }; static struct platform_device palmz71_backlight_device = { .name = "omap-bl", .id = -1, .dev = { .platform_data = &palmz71_backlight_config, }, }; static struct platform_device *devices[] __initdata = { &palmz71_rom_device, &palmz71_kp_device, &palmz71_lcd_device, &palmz71_irda_device, &palmz71_spi_device, &palmz71_backlight_device, }; static int palmz71_get_pendown_state(void) { return !gpio_get_value(PALMZ71_PENIRQ_GPIO); } static const struct ads7846_platform_data palmz71_ts_info = { .model = 7846, .vref_delay_usecs = 100, /* internal, no capacitor */ .x_plate_ohms = 419, .y_plate_ohms = 486, .get_pendown_state = palmz71_get_pendown_state, }; static struct spi_board_info __initdata palmz71_boardinfo[] = { { /* MicroWire (bus 2) CS0 has an ads7846e */ .modalias = "ads7846", .platform_data = &palmz71_ts_info, .irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO), .max_speed_hz = 120000 /* max sample rate at 3V */ * 26 /* command + data + overhead */, .bus_num = 2, .chip_select = 0, } }; static struct omap_usb_config palmz71_usb_config __initdata = { .register_dev = 1, /* Mini-B only receptacle */ .hmc_mode = 0, .pins[0] = 2, }; static struct omap_lcd_config palmz71_lcd_config __initdata = { .ctrl_name = "internal", }; static struct omap_uart_config palmz71_uart_config __initdata = { .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2), }; static struct omap_board_config_kernel palmz71_config[] __initdata = { {OMAP_TAG_LCD, &palmz71_lcd_config}, {OMAP_TAG_UART, &palmz71_uart_config}, }; static irqreturn_t palmz71_powercable(int irq, void *dev_id) { if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) { printk(KERN_INFO "PM: Power cable connected\n"); set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO), IRQ_TYPE_EDGE_FALLING); } else { printk(KERN_INFO "PM: Power cable disconnected\n"); set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO), IRQ_TYPE_EDGE_RISING); } return IRQ_HANDLED; } static void __init omap_mpu_wdt_mode(int mode) { if (mode) omap_writew(0x8000, OMAP_WDT_TIMER_MODE); else { omap_writew(0x00f5, OMAP_WDT_TIMER_MODE); omap_writew(0x00a0, OMAP_WDT_TIMER_MODE); } } static void __init palmz71_gpio_setup(int early) { if (early) { /* Only set GPIO1 so we have a working serial */ gpio_direction_output(1, 1); } else { /* Set MMC/SD host WP pin as input */ if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) { printk(KERN_ERR "Could not reserve WP GPIO!\n"); return; } gpio_direction_input(PALMZ71_MMC_WP_GPIO); /* Monitor the Power-cable-connected signal */ if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) { printk(KERN_ERR "Could not reserve cable signal GPIO!\n"); return; } gpio_direction_input(PALMZ71_USBDETECT_GPIO); if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO), palmz71_powercable, IRQF_SAMPLE_RANDOM, "palmz71-cable", 0)) printk(KERN_ERR "IRQ request for power cable failed!\n"); palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0); } } static void __init omap_palmz71_init(void) { palmz71_gpio_setup(1); omap_mpu_wdt_mode(0); omap_board_config = palmz71_config; omap_board_config_size = ARRAY_SIZE(palmz71_config); platform_add_devices(devices, ARRAY_SIZE(devices)); spi_register_board_info(palmz71_boardinfo, ARRAY_SIZE(palmz71_boardinfo)); omap_usb_init(&palmz71_usb_config); omap_serial_init(); omap_register_i2c_bus(1, 100, NULL, 0); palmz71_gpio_setup(0); } static void __init omap_palmz71_map_io(void) { omap1_map_common_io(); } MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71") .phys_io = 0xfff00000, .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, .boot_params = 0x10000100,.map_io = omap_palmz71_map_io, .init_irq = omap_palmz71_init_irq, .init_machine = omap_palmz71_init, .timer = &omap_timer, MACHINE_END |