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/interrupt.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/serial_8250.h>
  21
  22 #include <asm/serial.h>
  23 #include <mach/hardware.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <plat/board-ams-delta.h>
  29 #include <mach/gpio.h>
  30 #include <plat/keypad.h>
  31 #include <plat/mux.h>
  32 #include <plat/usb.h>
  33 #include <plat/board.h>
  34 #include <plat/common.h>
  35
  36 static u8 ams_delta_latch1_reg;
  37 static u16 ams_delta_latch2_reg;
  38
  39 static int ams_delta_keymap[] = {
  40         KEY(0, 0, KEY_F1),              /* Advert    */
  41
  42         KEY(3, 0, KEY_COFFEE),          /* Games     */
  43         KEY(2, 0, KEY_QUESTION),        /* Directory */
  44         KEY(3, 2, KEY_CONNECT),         /* Internet  */
  45         KEY(2, 1, KEY_SHOP),            /* Services  */
  46         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  47
  48         KEY(1, 0, KEY_DELETE),          /* Delete    */
  49         KEY(2, 2, KEY_PLAY),            /* Play      */
  50         KEY(0, 1, KEY_PAGEUP),          /* Up        */
  51         KEY(3, 1, KEY_PAGEDOWN),        /* Down      */
  52         KEY(0, 2, KEY_EMAIL),           /* ReadEmail */
  53         KEY(1, 2, KEY_STOP),            /* Stop      */
  54
  55         /* Numeric keypad portion */
  56         KEY(7, 0, KEY_KP1),
  57         KEY(6, 0, KEY_KP2),
  58         KEY(5, 0, KEY_KP3),
  59         KEY(7, 1, KEY_KP4),
  60         KEY(6, 1, KEY_KP5),
  61         KEY(5, 1, KEY_KP6),
  62         KEY(7, 2, KEY_KP7),
  63         KEY(6, 2, KEY_KP8),
  64         KEY(5, 2, KEY_KP9),
  65         KEY(6, 3, KEY_KP0),
  66         KEY(7, 3, KEY_KPASTERISK),
  67         KEY(5, 3, KEY_KPDOT),           /* # key     */
  68         KEY(2, 7, KEY_NUMLOCK),         /* Mute      */
  69         KEY(1, 7, KEY_KPMINUS),         /* Recall    */
  70         KEY(1, 6, KEY_KPPLUS),          /* Redial    */
  71         KEY(6, 7, KEY_KPSLASH),         /* Handsfree */
  72         KEY(0, 6, KEY_ENTER),           /* Video     */
  73
  74         KEY(4, 7, KEY_CAMERA),          /* Photo     */
  75
  76         KEY(4, 0, KEY_F2),              /* Home      */
  77         KEY(4, 1, KEY_F3),              /* Office    */
  78         KEY(4, 2, KEY_F4),              /* Mobile    */
  79         KEY(7, 7, KEY_F5),              /* SMS       */
  80         KEY(5, 7, KEY_F6),              /* Email     */
  81
  82         /* QWERTY portion of keypad */
  83         KEY(4, 3, KEY_Q),
  84         KEY(3, 3, KEY_W),
  85         KEY(2, 3, KEY_E),
  86         KEY(1, 3, KEY_R),
  87         KEY(0, 3, KEY_T),
  88         KEY(7, 4, KEY_Y),
  89         KEY(6, 4, KEY_U),
  90         KEY(5, 4, KEY_I),
  91         KEY(4, 4, KEY_O),
  92         KEY(3, 4, KEY_P),
  93
  94         KEY(2, 4, KEY_A),
  95         KEY(1, 4, KEY_S),
  96         KEY(0, 4, KEY_D),
  97         KEY(7, 5, KEY_F),
  98         KEY(6, 5, KEY_G),
  99         KEY(5, 5, KEY_H),
 100         KEY(4, 5, KEY_J),
 101         KEY(3, 5, KEY_K),
 102         KEY(2, 5, KEY_L),
 103
 104         KEY(1, 5, KEY_Z),
 105         KEY(0, 5, KEY_X),
 106         KEY(7, 6, KEY_C),
 107         KEY(6, 6, KEY_V),
 108         KEY(5, 6, KEY_B),
 109         KEY(4, 6, KEY_N),
 110         KEY(3, 6, KEY_M),
 111         KEY(2, 6, KEY_SPACE),
 112
 113         KEY(0, 7, KEY_LEFTSHIFT),       /* Vol up    */
 114         KEY(3, 7, KEY_LEFTCTRL),        /* Vol down  */
 115
 116         0
 117 };
 118
 119 void ams_delta_latch1_write(u8 mask, u8 value)
 120 {
 121         ams_delta_latch1_reg &= ~mask;
 122         ams_delta_latch1_reg |= value;
 123         *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
 124 }
 125
 126 void ams_delta_latch2_write(u16 mask, u16 value)
 127 {
 128         ams_delta_latch2_reg &= ~mask;
 129         ams_delta_latch2_reg |= value;
 130         *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
 131 }
 132
 133 static void __init ams_delta_init_irq(void)
 134 {
 135         omap1_init_common_hw();
 136         omap_init_irq();
 137         omap_gpio_init();
 138 }
 139
 140 static struct map_desc ams_delta_io_desc[] __initdata = {
 141         /* AMS_DELTA_LATCH1 */
 142         {
 143                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 144                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 145                 .length         = 0x01000000,
 146                 .type           = MT_DEVICE
 147         },
 148         /* AMS_DELTA_LATCH2 */
 149         {
 150                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 151                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 152                 .length         = 0x01000000,
 153                 .type           = MT_DEVICE
 154         },
 155         /* AMS_DELTA_MODEM */
 156         {
 157                 .virtual        = AMS_DELTA_MODEM_VIRT,
 158                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 159                 .length         = 0x01000000,
 160                 .type           = MT_DEVICE
 161         }
 162 };
 163
 164 static struct omap_lcd_config ams_delta_lcd_config __initdata = {
 165         .ctrl_name      = "internal",
 166 };
 167
 168 static struct omap_usb_config ams_delta_usb_config __initdata = {
 169         .register_host  = 1,
 170         .hmc_mode       = 16,
 171         .pins[0]        = 2,
 172 };
 173
 174 static struct omap_board_config_kernel ams_delta_config[] = {
 175         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 176 };
 177
 178 static struct resource ams_delta_kp_resources[] = {
 179         [0] = {
 180                 .start  = INT_KEYBOARD,
 181                 .end    = INT_KEYBOARD,
 182                 .flags  = IORESOURCE_IRQ,
 183         },
 184 };
 185
 186 static struct omap_kp_platform_data ams_delta_kp_data = {
 187         .rows           = 8,
 188         .cols           = 8,
 189         .keymap         = ams_delta_keymap,
 190         .keymapsize     = ARRAY_SIZE(ams_delta_keymap),
 191         .delay          = 9,
 192 };
 193
 194 static struct platform_device ams_delta_kp_device = {
 195         .name           = "omap-keypad",
 196         .id             = -1,
 197         .dev            = {
 198                 .platform_data = &ams_delta_kp_data,
 199         },
 200         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 201         .resource       = ams_delta_kp_resources,
 202 };
 203
 204 static struct platform_device ams_delta_lcd_device = {
 205         .name   = "lcd_ams_delta",
 206         .id     = -1,
 207 };
 208
 209 static struct platform_device ams_delta_led_device = {
 210         .name   = "ams-delta-led",
 211         .id     = -1
 212 };
 213
 214 static struct platform_device *ams_delta_devices[] __initdata = {
 215         &ams_delta_kp_device,
 216         &ams_delta_lcd_device,
 217         &ams_delta_led_device,
 218 };
 219
 220 static void __init ams_delta_init(void)
 221 {
 222         /* mux pins for uarts */
 223         omap_cfg_reg(UART1_TX);
 224         omap_cfg_reg(UART1_RTS);
 225
 226         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 227
 228         omap_board_config = ams_delta_config;
 229         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 230         omap_serial_init();
 231         omap_register_i2c_bus(1, 100, NULL, 0);
 232
 233         /* Clear latch2 (NAND, LCD, modem enable) */
 234         ams_delta_latch2_write(~0, 0);
 235
 236         omap_usb_init(&ams_delta_usb_config);
 237         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 238
 239         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 240 }
 241
 242 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 243         {
 244                 .membase        = (void *) AMS_DELTA_MODEM_VIRT,
 245                 .mapbase        = AMS_DELTA_MODEM_PHYS,
 246                 .irq            = -EINVAL, /* changed later */
 247                 .flags          = UPF_BOOT_AUTOCONF,
 248                 .irqflags       = IRQF_TRIGGER_RISING,
 249                 .iotype         = UPIO_MEM,
 250                 .regshift       = 1,
 251                 .uartclk        = BASE_BAUD * 16,
 252         },
 253         { },
 254 };
 255
 256 static struct platform_device ams_delta_modem_device = {
 257         .name   = "serial8250",
 258         .id     = PLAT8250_DEV_PLATFORM1,
 259         .dev            = {
 260                 .platform_data = ams_delta_modem_ports,
 261         },
 262 };
 263
 264 static int __init ams_delta_modem_init(void)
 265 {
 266         omap_cfg_reg(M14_1510_GPIO2);
 267         ams_delta_modem_ports[0].irq = gpio_to_irq(2);
 268
 269         ams_delta_latch2_write(
 270                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 271                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 272
 273         return platform_device_register(&ams_delta_modem_device);
 274 }
 275 arch_initcall(ams_delta_modem_init);
 276
 277 static void __init ams_delta_map_io(void)
 278 {
 279         omap1_map_common_io();
 280 }
 281
 282 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 283         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 284         .phys_io        = 0xfff00000,
 285         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 286         .boot_params    = 0x10000100,
 287         .map_io         = ams_delta_map_io,
 288         .init_irq       = ams_delta_init_irq,
 289         .init_machine   = ams_delta_init,
 290         .timer          = &omap_timer,
 291 MACHINE_END
 292
 293 EXPORT_SYMBOL(ams_delta_latch1_write);
 294 EXPORT_SYMBOL(ams_delta_latch2_write);