arch/arm/mach-omap1/board-ams-delta.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-ams-delta.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Board specific inits for the Amstrad E3 (codename Delta) videophone
   7  *
   8  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/input.h>
  18 #include <linux/platform_device.h>
  19
  20 #include <asm/hardware.h>
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24
  25 #include <asm/arch/board-ams-delta.h>
  26 #include <asm/arch/gpio.h>
  27 #include <asm/arch/keypad.h>
  28 #include <asm/arch/mux.h>
  29 #include <asm/arch/usb.h>
  30 #include <asm/arch/board.h>
  31 #include <asm/arch/common.h>
  32
  33 static u8 ams_delta_latch1_reg;
  34 static u16 ams_delta_latch2_reg;
  35
  36 static int ams_delta_keymap[] = {
  37         KEY(0, 0, KEY_F1),              /* Advert    */
  38
  39         KEY(3, 0, KEY_COFFEE),          /* Games     */
  40         KEY(2, 0, KEY_QUESTION),        /* Directory */
  41         KEY(3, 2, KEY_CONNECT),         /* Internet  */
  42         KEY(2, 1, KEY_SHOP),            /* Services  */
  43         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  44
  45         KEY(1, 0, KEY_DELETE),          /* Delete    */
  46         KEY(2, 2, KEY_PLAY),            /* Play      */
  47         KEY(0, 1, KEY_PAGEUP),          /* Up        */
  48         KEY(3, 1, KEY_PAGEDOWN),        /* Down      */
  49         KEY(0, 2, KEY_EMAIL),           /* ReadEmail */
  50         KEY(1, 2, KEY_STOP),            /* Stop      */
  51
  52         /* Numeric keypad portion */
  53         KEY(7, 0, KEY_KP1),
  54         KEY(6, 0, KEY_KP2),
  55         KEY(5, 0, KEY_KP3),
  56         KEY(7, 1, KEY_KP4),
  57         KEY(6, 1, KEY_KP5),
  58         KEY(5, 1, KEY_KP6),
  59         KEY(7, 2, KEY_KP7),
  60         KEY(6, 2, KEY_KP8),
  61         KEY(5, 2, KEY_KP9),
  62         KEY(6, 3, KEY_KP0),
  63         KEY(7, 3, KEY_KPASTERISK),
  64         KEY(5, 3, KEY_KPDOT),           /* # key     */
  65         KEY(2, 7, KEY_NUMLOCK),         /* Mute      */
  66         KEY(1, 7, KEY_KPMINUS),         /* Recall    */
  67         KEY(1, 6, KEY_KPPLUS),          /* Redial    */
  68         KEY(6, 7, KEY_KPSLASH),         /* Handsfree */
  69         KEY(0, 6, KEY_ENTER),           /* Video     */
  70
  71         KEY(4, 7, KEY_CAMERA),          /* Photo     */
  72
  73         KEY(4, 0, KEY_F2),              /* Home      */
  74         KEY(4, 1, KEY_F3),              /* Office    */
  75         KEY(4, 2, KEY_F4),              /* Mobile    */
  76         KEY(7, 7, KEY_F5),              /* SMS       */
  77         KEY(5, 7, KEY_F6),              /* Email     */
  78
  79         /* QWERTY portion of keypad */
  80         KEY(4, 3, KEY_Q),
  81         KEY(3, 3, KEY_W),
  82         KEY(2, 3, KEY_E),
  83         KEY(1, 3, KEY_R),
  84         KEY(0, 3, KEY_T),
  85         KEY(7, 4, KEY_Y),
  86         KEY(6, 4, KEY_U),
  87         KEY(5, 4, KEY_I),
  88         KEY(4, 4, KEY_O),
  89         KEY(3, 4, KEY_P),
  90
  91         KEY(2, 4, KEY_A),
  92         KEY(1, 4, KEY_S),
  93         KEY(0, 4, KEY_D),
  94         KEY(7, 5, KEY_F),
  95         KEY(6, 5, KEY_G),
  96         KEY(5, 5, KEY_H),
  97         KEY(4, 5, KEY_J),
  98         KEY(3, 5, KEY_K),
  99         KEY(2, 5, KEY_L),
 100
 101         KEY(1, 5, KEY_Z),
 102         KEY(0, 5, KEY_X),
 103         KEY(7, 6, KEY_C),
 104         KEY(6, 6, KEY_V),
 105         KEY(5, 6, KEY_B),
 106         KEY(4, 6, KEY_N),
 107         KEY(3, 6, KEY_M),
 108         KEY(2, 6, KEY_SPACE),
 109
 110         KEY(0, 7, KEY_LEFTSHIFT),       /* Vol up    */
 111         KEY(3, 7, KEY_LEFTCTRL),        /* Vol down  */
 112
 113         0
 114 };
 115
 116 void ams_delta_latch1_write(u8 mask, u8 value)
 117 {
 118         ams_delta_latch1_reg &= ~mask;
 119         ams_delta_latch1_reg |= value;
 120         *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
 121 }
 122
 123 void ams_delta_latch2_write(u16 mask, u16 value)
 124 {
 125         ams_delta_latch2_reg &= ~mask;
 126         ams_delta_latch2_reg |= value;
 127         *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
 128 }
 129
 130 static void __init ams_delta_init_irq(void)
 131 {
 132         omap1_init_common_hw();
 133         omap_init_irq();
 134         omap_gpio_init();
 135 }
 136
 137 static struct map_desc ams_delta_io_desc[] __initdata = {
 138         // AMS_DELTA_LATCH1
 139         {
 140                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 141                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 142                 .length         = 0x01000000,
 143                 .type           = MT_DEVICE
 144         },
 145         // AMS_DELTA_LATCH2
 146         {
 147                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 148                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 149                 .length         = 0x01000000,
 150                 .type           = MT_DEVICE
 151         },
 152         // AMS_DELTA_MODEM
 153         {
 154                 .virtual        = AMS_DELTA_MODEM_VIRT,
 155                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 156                 .length         = 0x01000000,
 157                 .type           = MT_DEVICE
 158         }
 159 };
 160
 161 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
 162         .ctrl_name      = "internal",
 163 };
 164
 165 static struct omap_uart_config ams_delta_uart_config __initdata = {
 166         .enabled_uarts = 1,
 167 };
 168
 169 static struct omap_usb_config ams_delta_usb_config __initdata = {
 170         .register_host  = 1,
 171         .hmc_mode       = 16,
 172         .pins[0]        = 2,
 173 };
 174
 175 static struct omap_board_config_kernel ams_delta_config[] = {
 176         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 177         { OMAP_TAG_UART,        &ams_delta_uart_config },
 178         { OMAP_TAG_USB,         &ams_delta_usb_config },
 179 };
 180
 181 static struct resource ams_delta_kp_resources[] = {
 182         [0] = {
 183                 .start  = INT_KEYBOARD,
 184                 .end    = INT_KEYBOARD,
 185                 .flags  = IORESOURCE_IRQ,
 186         },
 187 };
 188
 189 static struct omap_kp_platform_data ams_delta_kp_data = {
 190         .rows           = 8,
 191         .cols           = 8,
 192         .keymap         = ams_delta_keymap,
 193         .keymapsize     = ARRAY_SIZE(ams_delta_keymap),
 194         .delay          = 9,
 195 };
 196
 197 static struct platform_device ams_delta_kp_device = {
 198         .name           = "omap-keypad",
 199         .id             = -1,
 200         .dev            = {
 201                 .platform_data = &ams_delta_kp_data,
 202         },
 203         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 204         .resource       = ams_delta_kp_resources,
 205 };
 206
 207 static struct platform_device ams_delta_lcd_device = {
 208         .name   = "lcd_ams_delta",
 209         .id     = -1,
 210 };
 211
 212 static struct platform_device ams_delta_led_device = {
 213         .name   = "ams-delta-led",
 214         .id     = -1
 215 };
 216
 217 static struct platform_device *ams_delta_devices[] __initdata = {
 218         &ams_delta_kp_device,
 219         &ams_delta_lcd_device,
 220         &ams_delta_led_device,
 221 };
 222
 223 static void __init ams_delta_init(void)
 224 {
 225         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 226
 227         omap_board_config = ams_delta_config;
 228         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 229         omap_serial_init();
 230
 231         /* Clear latch2 (NAND, LCD, modem enable) */
 232         ams_delta_latch2_write(~0, 0);
 233
 234         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 235 }
 236
 237 static void __init ams_delta_map_io(void)
 238 {
 239         omap1_map_common_io();
 240 }
 241
 242 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 243         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 244         .phys_io        = 0xfff00000,
 245         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 246         .boot_params    = 0x10000100,
 247         .map_io         = ams_delta_map_io,
 248         .init_irq       = ams_delta_init_irq,
 249         .init_machine   = ams_delta_init,
 250         .timer          = &omap_timer,
 251 MACHINE_END
 252
 253 EXPORT_SYMBOL(ams_delta_latch1_write);
 254 EXPORT_SYMBOL(ams_delta_latch2_write);