arch/arm/mach-omap1/board-palmtt.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-palmtt.c
   3  *
   4  * Modified from board-palmtt2.c
   5  *
   6  * Modified and amended for Palm Tungsten|T
   7  * by Marek Vasut <marek.vasut@gmail.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/delay.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/notifier.h>
  19 #include <linux/clk.h>
  20 #include <linux/input.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/leds.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/flash.h>
  31
  32 #include <asm/arch/led.h>
  33 #include <asm/arch/mcbsp.h>
  34 #include <asm/arch/gpio.h>
  35 #include <asm/arch/mux.h>
  36 #include <asm/arch/usb.h>
  37 #include <asm/arch/dma.h>
  38 #include <asm/arch/tc.h>
  39 #include <asm/arch/board.h>
  40 #include <asm/arch/irda.h>
  41 #include <asm/arch/keypad.h>
  42 #include <asm/arch/common.h>
  43 #include <asm/arch/omap-alsa.h>
  44
  45 #include <linux/spi/spi.h>
  46 #include <linux/spi/ads7846.h>
  47
  48 static int palmtt_keymap[] = {
  49         KEY(0, 0, KEY_ESC),
  50         KEY(0, 1, KEY_SPACE),
  51         KEY(0, 2, KEY_LEFTCTRL),
  52         KEY(0, 3, KEY_TAB),
  53         KEY(0, 4, KEY_ENTER),
  54         KEY(1, 0, KEY_LEFT),
  55         KEY(1, 1, KEY_DOWN),
  56         KEY(1, 2, KEY_UP),
  57         KEY(1, 3, KEY_RIGHT),
  58         KEY(2, 0, KEY_SLEEP),
  59         KEY(2, 4, KEY_Y),
  60         0
  61 };
  62
  63 static struct mtd_partition palmtt_partitions[] = {
  64         {
  65                 .name           = "write8k",
  66                 .offset         = 0,
  67                 .size           = SZ_8K,
  68                 .mask_flags     = 0,
  69         },
  70         {
  71                 .name           = "PalmOS-BootLoader(ro)",
  72                 .offset         = SZ_8K,
  73                 .size           = 7 * SZ_8K,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         },
  76         {
  77                 .name           = "u-boot",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = 8 * SZ_8K,
  80                 .mask_flags     = 0,
  81         },
  82         {
  83                 .name           = "PalmOS-FS(ro)",
  84                 .offset         = MTDPART_OFS_APPEND,
  85                 .size           = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
  86                 .mask_flags     = MTD_WRITEABLE,
  87         },
  88         {
  89                 .name           = "u-boot(rez)",
  90                 .offset         = MTDPART_OFS_APPEND,
  91                 .size           = SZ_128K,
  92                 .mask_flags     = 0
  93         },
  94         {
  95                 .name           = "empty",
  96                 .offset         = MTDPART_OFS_APPEND,
  97                 .size           = MTDPART_SIZ_FULL,
  98                 .mask_flags     = 0
  99         }
 100 };
 101
 102 static struct flash_platform_data palmtt_flash_data = {
 103         .map_name       = "cfi_probe",
 104         .width          = 2,
 105         .parts          = palmtt_partitions,
 106         .nr_parts       = ARRAY_SIZE(palmtt_partitions),
 107 };
 108
 109 static struct resource palmtt_flash_resource = {
 110         .start          = OMAP_CS0_PHYS,
 111         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 112         .flags          = IORESOURCE_MEM,
 113 };
 114
 115 static struct platform_device palmtt_flash_device = {
 116         .name           = "omapflash",
 117         .id             = 0,
 118         .dev            = {
 119                 .platform_data  = &palmtt_flash_data,
 120         },
 121         .num_resources  = 1,
 122         .resource       = &palmtt_flash_resource,
 123 };
 124
 125 #define DEFAULT_BITPERSAMPLE 16
 126
 127 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
 128         .spcr2          = FREE | FRST | GRST | XRST | XINTM(3),
 129         .spcr1          = RINTM(3) | RRST,
 130         .rcr2           = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
 131                                 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
 132         .rcr1           = RFRLEN1(OMAP_MCBSP_WORD_8) |
 133                                 RWDLEN1(OMAP_MCBSP_WORD_16),
 134         .xcr2           = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
 135                                 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
 136         .xcr1           = XFRLEN1(OMAP_MCBSP_WORD_8) |
 137                                 XWDLEN1(OMAP_MCBSP_WORD_16),
 138         .srgr1          = FWID(DEFAULT_BITPERSAMPLE - 1),
 139         .srgr2          = GSYNC | CLKSP | FSGM |
 140                                 FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
 141         .pcr0           = CLKXP | CLKRP,        /* mcbsp: slave */
 142 };
 143
 144 static struct omap_alsa_codec_config alsa_config = {
 145         .name                   = "PalmTT AIC23",
 146         .mcbsp_regs_alsa        = &mcbsp_regs,
 147         .codec_configure_dev    = NULL, // aic23_configure,
 148         .codec_set_samplerate   = NULL, // aic23_set_samplerate,
 149         .codec_clock_setup      = NULL, // aic23_clock_setup,
 150         .codec_clock_on         = NULL, // aic23_clock_on,
 151         .codec_clock_off        = NULL, // aic23_clock_off,
 152         .get_default_samplerate = NULL, // aic23_get_default_samplerate,
 153 };
 154
 155 static struct platform_device palmtt_mcbsp1_device = {
 156         .name   = "omap_alsa_mcbsp",
 157         .id     = 1,
 158         .dev    = {
 159                 .platform_data  = &alsa_config,
 160         },
 161 };
 162
 163 static struct resource palmtt_kp_resources[] = {
 164         [0] = {
 165                 .start  = INT_KEYBOARD,
 166                 .end    = INT_KEYBOARD,
 167                 .flags  = IORESOURCE_IRQ,
 168         },
 169 };
 170
 171 static struct omap_kp_platform_data palmtt_kp_data = {
 172         .rows   = 6,
 173         .cols   = 3,
 174         .keymap = palmtt_keymap,
 175 };
 176
 177 static struct platform_device palmtt_kp_device = {
 178         .name           = "omap-keypad",
 179         .id             = -1,
 180         .dev            = {
 181                 .platform_data = &palmtt_kp_data,
 182         },
 183         .num_resources  = ARRAY_SIZE(palmtt_kp_resources),
 184         .resource       = palmtt_kp_resources,
 185 };
 186
 187 static struct platform_device palmtt_lcd_device = {
 188         .name           = "lcd_palmtt",
 189         .id             = -1,
 190 };
 191 static struct omap_irda_config palmtt_irda_config = {
 192         .transceiver_cap        = IR_SIRMODE,
 193         .rx_channel             = OMAP_DMA_UART3_RX,
 194         .tx_channel             = OMAP_DMA_UART3_TX,
 195         .dest_start             = UART3_THR,
 196         .src_start              = UART3_RHR,
 197         .tx_trigger             = 0,
 198         .rx_trigger             = 0,
 199 };
 200
 201 static struct resource palmtt_irda_resources[] = {
 202         [0]     = {
 203                 .start  = INT_UART3,
 204                 .end    = INT_UART3,
 205                 .flags  = IORESOURCE_IRQ,
 206         },
 207 };
 208
 209 static struct platform_device palmtt_irda_device = {
 210         .name           = "omapirda",
 211         .id             = -1,
 212         .dev            = {
 213                 .platform_data  = &palmtt_irda_config,
 214         },
 215         .num_resources  = ARRAY_SIZE(palmtt_irda_resources),
 216         .resource       = palmtt_irda_resources,
 217 };
 218
 219 static struct platform_device palmtt_spi_device = {
 220         .name           = "spi_palmtt",
 221         .id             = -1,
 222 };
 223
 224 static struct omap_backlight_config palmtt_backlight_config = {
 225         .default_intensity      = 0xa0,
 226 };
 227
 228 static struct platform_device palmtt_backlight_device = {
 229         .name           = "omap-bl",
 230         .id             = -1,
 231         .dev            = {
 232                 .platform_data= &palmtt_backlight_config,
 233         },
 234 };
 235
 236 static struct omap_led_config palmtt_led_config[] = {
 237         {
 238                 .cdev   = {
 239                         .name   = "palmtt:led0",
 240                 },
 241                 .gpio   = PALMTT_LED_GPIO,
 242         },
 243 };
 244
 245 static struct omap_led_platform_data palmtt_led_data = {
 246         .nr_leds        = ARRAY_SIZE(palmtt_led_config),
 247         .leds           = palmtt_led_config,
 248 };
 249
 250 static struct platform_device palmtt_led_device = {
 251         .name   = "omap-led",
 252         .id     = -1,
 253         .dev    = {
 254                 .platform_data  = &palmtt_led_data,
 255         },
 256 };
 257
 258 static struct platform_device *palmtt_devices[] __initdata = {
 259         &palmtt_flash_device,
 260         &palmtt_mcbsp1_device,
 261         &palmtt_kp_device,
 262         &palmtt_lcd_device,
 263         &palmtt_irda_device,
 264         &palmtt_spi_device,
 265         &palmtt_backlight_device,
 266         &palmtt_led_device,
 267 };
 268
 269 static int palmtt_get_pendown_state(void)
 270 {
 271         return !omap_get_gpio_datain(6);
 272 }
 273
 274 static const struct ads7846_platform_data palmtt_ts_info = {
 275         .model                  = 7846,
 276         .vref_delay_usecs       = 100,  /* internal, no capacitor */
 277         .x_plate_ohms           = 419,
 278         .y_plate_ohms           = 486,
 279         .get_pendown_state      = palmtt_get_pendown_state,
 280 };
 281
 282 static struct spi_board_info __initdata palmtt_boardinfo[] = {
 283         {
 284                 /* MicroWire (bus 2) CS0 has an ads7846e */
 285                 .modalias       = "ads7846",
 286                 .platform_data  = &palmtt_ts_info,
 287                 .irq            = OMAP_GPIO_IRQ(6),
 288                 .max_speed_hz   = 120000        /* max sample rate at 3V */
 289                                         * 26    /* command + data + overhead */,
 290                 .bus_num        = 2,
 291                 .chip_select    = 0,
 292         }
 293 };
 294
 295 static void __init omap_palmtt_init_irq(void)
 296 {
 297         omap1_init_common_hw();
 298         omap_init_irq();
 299 }
 300
 301 static struct omap_usb_config palmtt_usb_config __initdata = {
 302         .register_dev   = 1,
 303         .hmc_mode       = 0,
 304         .pins[0]        = 2,
 305 };
 306
 307 static struct omap_lcd_config palmtt_lcd_config __initdata = {
 308         .ctrl_name      = "internal",
 309 };
 310
 311 static struct omap_uart_config palmtt_uart_config __initdata = {
 312         .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
 313 };
 314
 315 static struct omap_board_config_kernel palmtt_config[] = {
 316         { OMAP_TAG_USB,         &palmtt_usb_config      },
 317         { OMAP_TAG_LCD,         &palmtt_lcd_config      },
 318         { OMAP_TAG_UART,        &palmtt_uart_config     },
 319 };
 320
 321 static void __init omap_mpu_wdt_mode(int mode) {
 322         if (mode)
 323                 omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
 324         else {
 325                 omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
 326                 omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
 327         }
 328 }
 329
 330 static void __init omap_palmtt_init(void)
 331 {
 332         omap_mpu_wdt_mode(0);
 333
 334         omap_board_config = palmtt_config;
 335         omap_board_config_size = ARRAY_SIZE(palmtt_config);
 336
 337         platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
 338
 339         spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
 340         omap_serial_init();
 341 }
 342
 343 static void __init omap_palmtt_map_io(void)
 344 {
 345         omap1_map_common_io();
 346 }
 347
 348 MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
 349         .phys_io        = 0xfff00000,
 350         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 351         .boot_params    = 0x10000100,
 352         .map_io         = omap_palmtt_map_io,
 353         .init_irq       = omap_palmtt_init_irq,
 354         .init_machine   = omap_palmtt_init,
 355         .timer          = &omap_timer,
 356 MACHINE_END