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

   1 /*
   2  * linux/arch/arm/mach-omap1/board-palmte.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Support for the Palm Tungsten E PDA.
   7  *
   8  * Original version : Laurent Gonzalez
   9  *
  10  * Maintainers : http://palmtelinux.sf.net
  11  *                palmtelinux-developpers@lists.sf.net
  12  *
  13  * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License version 2 as
  17  * published by the Free Software Foundation.
  18  */
  19
  20 #include <linux/kernel.h>
  21 #include <linux/init.h>
  22 #include <linux/input.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/mtd/mtd.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/apm-emulation.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35
  36 #include <mach/gpio.h>
  37 #include <plat/flash.h>
  38 #include <plat/mux.h>
  39 #include <plat/usb.h>
  40 #include <plat/tc.h>
  41 #include <plat/dma.h>
  42 #include <plat/board.h>
  43 #include <plat/irda.h>
  44 #include <plat/keypad.h>
  45 #include <plat/common.h>
  46
  47 #define PALMTE_USBDETECT_GPIO   0
  48 #define PALMTE_USB_OR_DC_GPIO   1
  49 #define PALMTE_TSC_GPIO         4
  50 #define PALMTE_PINTDAV_GPIO     6
  51 #define PALMTE_MMC_WP_GPIO      8
  52 #define PALMTE_MMC_POWER_GPIO   9
  53 #define PALMTE_HDQ_GPIO         11
  54 #define PALMTE_HEADPHONES_GPIO  14
  55 #define PALMTE_SPEAKER_GPIO     15
  56 #define PALMTE_DC_GPIO          OMAP_MPUIO(2)
  57 #define PALMTE_MMC_SWITCH_GPIO  OMAP_MPUIO(4)
  58 #define PALMTE_MMC1_GPIO        OMAP_MPUIO(6)
  59 #define PALMTE_MMC2_GPIO        OMAP_MPUIO(7)
  60 #define PALMTE_MMC3_GPIO        OMAP_MPUIO(11)
  61
  62 static void __init omap_palmte_init_irq(void)
  63 {
  64         omap1_init_common_hw();
  65         omap_init_irq();
  66 }
  67
  68 static const unsigned int palmte_keymap[] = {
  69         KEY(0, 0, KEY_F1),              /* Calendar */
  70         KEY(1, 0, KEY_F2),              /* Contacts */
  71         KEY(2, 0, KEY_F3),              /* Tasks List */
  72         KEY(3, 0, KEY_F4),              /* Note Pad */
  73         KEY(4, 0, KEY_POWER),
  74         KEY(0, 1, KEY_LEFT),
  75         KEY(1, 1, KEY_DOWN),
  76         KEY(2, 1, KEY_UP),
  77         KEY(3, 1, KEY_RIGHT),
  78         KEY(4, 1, KEY_ENTER),
  79 };
  80
  81 static const struct matrix_keymap_data palmte_keymap_data = {
  82         .keymap         = palmte_keymap,
  83         .keymap_size    = ARRAY_SIZE(palmte_keymap),
  84 };
  85
  86 static struct omap_kp_platform_data palmte_kp_data = {
  87         .rows   = 8,
  88         .cols   = 8,
  89         .keymap_data = &palmte_keymap_data,
  90         .rep    = true,
  91         .delay  = 12,
  92 };
  93
  94 static struct resource palmte_kp_resources[] = {
  95         [0]     = {
  96                 .start  = INT_KEYBOARD,
  97                 .end    = INT_KEYBOARD,
  98                 .flags  = IORESOURCE_IRQ,
  99         },
 100 };
 101
 102 static struct platform_device palmte_kp_device = {
 103         .name           = "omap-keypad",
 104         .id             = -1,
 105         .dev            = {
 106                 .platform_data  = &palmte_kp_data,
 107         },
 108         .num_resources  = ARRAY_SIZE(palmte_kp_resources),
 109         .resource       = palmte_kp_resources,
 110 };
 111
 112 static struct mtd_partition palmte_rom_partitions[] = {
 113         /* PalmOS "Small ROM", contains the bootloader and the debugger */
 114         {
 115                 .name           = "smallrom",
 116                 .offset         = 0,
 117                 .size           = 0xa000,
 118                 .mask_flags     = MTD_WRITEABLE,
 119         },
 120         /* PalmOS "Big ROM", a filesystem with all the OS code and data */
 121         {
 122                 .name           = "bigrom",
 123                 .offset         = SZ_128K,
 124                 /*
 125                  * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
 126                  * 0x7b0000 bytes in the English-only ("enUS") version.
 127                  */
 128                 .size           = 0x7b0000,
 129                 .mask_flags     = MTD_WRITEABLE,
 130         },
 131 };
 132
 133 static struct physmap_flash_data palmte_rom_data = {
 134         .width          = 2,
 135         .set_vpp        = omap1_set_vpp,
 136         .parts          = palmte_rom_partitions,
 137         .nr_parts       = ARRAY_SIZE(palmte_rom_partitions),
 138 };
 139
 140 static struct resource palmte_rom_resource = {
 141         .start          = OMAP_CS0_PHYS,
 142         .end            = OMAP_CS0_PHYS + SZ_8M - 1,
 143         .flags          = IORESOURCE_MEM,
 144 };
 145
 146 static struct platform_device palmte_rom_device = {
 147         .name           = "physmap-flash",
 148         .id             = -1,
 149         .dev            = {
 150                 .platform_data  = &palmte_rom_data,
 151         },
 152         .num_resources  = 1,
 153         .resource       = &palmte_rom_resource,
 154 };
 155
 156 static struct platform_device palmte_lcd_device = {
 157         .name           = "lcd_palmte",
 158         .id             = -1,
 159 };
 160
 161 static struct omap_backlight_config palmte_backlight_config = {
 162         .default_intensity      = 0xa0,
 163 };
 164
 165 static struct platform_device palmte_backlight_device = {
 166         .name           = "omap-bl",
 167         .id             = -1,
 168         .dev            = {
 169                 .platform_data  = &palmte_backlight_config,
 170         },
 171 };
 172
 173 static struct omap_irda_config palmte_irda_config = {
 174         .transceiver_cap        = IR_SIRMODE,
 175         .rx_channel             = OMAP_DMA_UART3_RX,
 176         .tx_channel             = OMAP_DMA_UART3_TX,
 177         .dest_start             = UART3_THR,
 178         .src_start              = UART3_RHR,
 179         .tx_trigger             = 0,
 180         .rx_trigger             = 0,
 181 };
 182
 183 static struct resource palmte_irda_resources[] = {
 184         [0]     = {
 185                 .start  = INT_UART3,
 186                 .end    = INT_UART3,
 187                 .flags  = IORESOURCE_IRQ,
 188         },
 189 };
 190
 191 static struct platform_device palmte_irda_device = {
 192         .name           = "omapirda",
 193         .id             = -1,
 194         .dev            = {
 195                 .platform_data  = &palmte_irda_config,
 196         },
 197         .num_resources  = ARRAY_SIZE(palmte_irda_resources),
 198         .resource       = palmte_irda_resources,
 199 };
 200
 201 static struct platform_device *palmte_devices[] __initdata = {
 202         &palmte_rom_device,
 203         &palmte_kp_device,
 204         &palmte_lcd_device,
 205         &palmte_backlight_device,
 206         &palmte_irda_device,
 207 };
 208
 209 static struct omap_usb_config palmte_usb_config __initdata = {
 210         .register_dev   = 1,    /* Mini-B only receptacle */
 211         .hmc_mode       = 0,
 212         .pins[0]        = 2,
 213 };
 214
 215 static struct omap_lcd_config palmte_lcd_config __initdata = {
 216         .ctrl_name      = "internal",
 217 };
 218
 219 static struct omap_board_config_kernel palmte_config[] __initdata = {
 220         { OMAP_TAG_LCD,         &palmte_lcd_config },
 221 };
 222
 223 static struct spi_board_info palmte_spi_info[] __initdata = {
 224         {
 225                 .modalias       = "tsc2102",
 226                 .bus_num        = 2,    /* uWire (officially) */
 227                 .chip_select    = 0,    /* As opposed to 3 */
 228                 .irq            = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
 229                 .max_speed_hz   = 8000000,
 230         },
 231 };
 232
 233 static void __init palmte_misc_gpio_setup(void)
 234 {
 235         /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
 236         if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
 237                 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
 238                 return;
 239         }
 240         gpio_direction_input(PALMTE_PINTDAV_GPIO);
 241
 242         /* Set USB-or-DC-IN pin as input (unused) */
 243         if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
 244                 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
 245                 return;
 246         }
 247         gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
 248 }
 249
 250 static void __init omap_palmte_init(void)
 251 {
 252         /* mux pins for uarts */
 253         omap_cfg_reg(UART1_TX);
 254         omap_cfg_reg(UART1_RTS);
 255         omap_cfg_reg(UART2_TX);
 256         omap_cfg_reg(UART2_RTS);
 257         omap_cfg_reg(UART3_TX);
 258         omap_cfg_reg(UART3_RX);
 259
 260         omap_board_config = palmte_config;
 261         omap_board_config_size = ARRAY_SIZE(palmte_config);
 262
 263         platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
 264
 265         spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
 266         palmte_misc_gpio_setup();
 267         omap_serial_init();
 268         omap1_usb_init(&palmte_usb_config);
 269         omap_register_i2c_bus(1, 100, NULL, 0);
 270 }
 271
 272 static void __init omap_palmte_map_io(void)
 273 {
 274         omap1_map_common_io();
 275 }
 276
 277 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
 278         .boot_params    = 0x10000100,
 279         .map_io         = omap_palmte_map_io,
 280         .reserve        = omap_reserve,
 281         .init_irq       = omap_palmte_init_irq,
 282         .init_machine   = omap_palmte_init,
 283         .timer          = &omap_timer,
 284 MACHINE_END