Loading...
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 | /*
* HTC Herald board configuration
* Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com>
* Copyright (C) 2009 Wing Linux
*
* Based on the board-htcwizard.c file from the linwizard project:
* Copyright (C) 2006 Unai Uribarri
* Copyright (C) 2008 linwizard.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/bootmem.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <plat/omap7xx.h>
#include <plat/common.h>
#include <plat/board.h>
#include <plat/keypad.h>
#include <plat/usb.h>
#include <mach/irqs.h>
#include <linux/delay.h>
/* LCD register definition */
#define OMAP_LCDC_CONTROL (0xfffec000 + 0x00)
#define OMAP_LCDC_STATUS (0xfffec000 + 0x10)
#define OMAP_DMA_LCD_CCR (0xfffee300 + 0xc2)
#define OMAP_DMA_LCD_CTRL (0xfffee300 + 0xc4)
#define OMAP_LCDC_CTRL_LCD_EN (1 << 0)
#define OMAP_LCDC_STAT_DONE (1 << 0)
static struct omap_lcd_config htcherald_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel htcherald_config[] __initdata = {
{ OMAP_TAG_LCD, &htcherald_lcd_config },
};
/* Keyboard definition */
static int htc_herald_keymap[] = {
KEY(0, 0, KEY_RECORD), /* Mail button */
KEY(0, 1, KEY_CAMERA), /* Camera */
KEY(0, 2, KEY_PHONE), /* Send key */
KEY(0, 3, KEY_VOLUMEUP), /* Volume up */
KEY(0, 4, KEY_F2), /* Right bar (landscape) */
KEY(0, 5, KEY_MAIL), /* Win key (portrait) */
KEY(0, 6, KEY_DIRECTORY), /* Right bar (protrait) */
KEY(1, 0, KEY_LEFTCTRL), /* Windows key */
KEY(1, 1, KEY_COMMA),
KEY(1, 2, KEY_M),
KEY(1, 3, KEY_K),
KEY(1, 4, KEY_SLASH), /* OK key */
KEY(1, 5, KEY_I),
KEY(1, 6, KEY_U),
KEY(2, 0, KEY_LEFTALT),
KEY(2, 1, KEY_TAB),
KEY(2, 2, KEY_N),
KEY(2, 3, KEY_J),
KEY(2, 4, KEY_ENTER),
KEY(2, 5, KEY_H),
KEY(2, 6, KEY_Y),
KEY(3, 0, KEY_SPACE),
KEY(3, 1, KEY_L),
KEY(3, 2, KEY_B),
KEY(3, 3, KEY_V),
KEY(3, 4, KEY_BACKSPACE),
KEY(3, 5, KEY_G),
KEY(3, 6, KEY_T),
KEY(4, 0, KEY_CAPSLOCK), /* Shift */
KEY(4, 1, KEY_C),
KEY(4, 2, KEY_F),
KEY(4, 3, KEY_R),
KEY(4, 4, KEY_O),
KEY(4, 5, KEY_E),
KEY(4, 6, KEY_D),
KEY(5, 0, KEY_X),
KEY(5, 1, KEY_Z),
KEY(5, 2, KEY_S),
KEY(5, 3, KEY_W),
KEY(5, 4, KEY_P),
KEY(5, 5, KEY_Q),
KEY(5, 6, KEY_A),
KEY(6, 0, KEY_CONNECT), /* Voice button */
KEY(6, 2, KEY_CANCEL), /* End key */
KEY(6, 3, KEY_VOLUMEDOWN), /* Volume down */
KEY(6, 4, KEY_F1), /* Left bar (landscape) */
KEY(6, 5, KEY_WWW), /* OK button (portrait) */
KEY(6, 6, KEY_CALENDAR), /* Left bar (portrait) */
0
};
struct omap_kp_platform_data htcherald_kp_data = {
.rows = 7,
.cols = 7,
.delay = 20,
.rep = 1,
.keymap = htc_herald_keymap,
};
static struct resource kp_resources[] = {
[0] = {
.start = INT_7XX_MPUIO_KEYPAD,
.end = INT_7XX_MPUIO_KEYPAD,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &htcherald_kp_data,
},
.num_resources = ARRAY_SIZE(kp_resources),
.resource = kp_resources,
};
/* USB Device */
static struct omap_usb_config htcherald_usb_config __initdata = {
.otg = 0,
.register_host = 0,
.register_dev = 1,
.hmc_mode = 4,
.pins[0] = 2,
};
/* LCD Device resources */
static struct platform_device lcd_device = {
.name = "lcd_htcherald",
.id = -1,
};
static struct platform_device *devices[] __initdata = {
&kp_device,
&lcd_device,
};
/*
* Init functions from here on
*/
static void __init htcherald_lcd_init(void)
{
u32 reg;
unsigned int tries = 200;
/* disable controller if active */
reg = omap_readl(OMAP_LCDC_CONTROL);
if (reg & OMAP_LCDC_CTRL_LCD_EN) {
reg &= ~OMAP_LCDC_CTRL_LCD_EN;
omap_writel(reg, OMAP_LCDC_CONTROL);
/* wait for end of frame */
while (!(omap_readl(OMAP_LCDC_STATUS) & OMAP_LCDC_STAT_DONE)) {
tries--;
if (!tries)
break;
}
if (!tries)
printk(KERN_WARNING "Timeout waiting for end of frame "
"-- LCD may not be available\n");
/* turn off DMA */
reg = omap_readw(OMAP_DMA_LCD_CCR);
reg &= ~(1 << 7);
omap_writew(reg, OMAP_DMA_LCD_CCR);
reg = omap_readw(OMAP_DMA_LCD_CTRL);
reg &= ~(1 << 8);
omap_writew(reg, OMAP_DMA_LCD_CTRL);
}
}
static void __init htcherald_map_io(void)
{
omap1_map_common_io();
/*
* The LCD panel must be disabled and DMA turned off here, as doing
* it later causes the LCD never to reinitialize.
*/
htcherald_lcd_init();
printk(KERN_INFO "htcherald_map_io done.\n");
}
static void __init htcherald_disable_watchdog(void)
{
/* Disable watchdog if running */
if (omap_readl(OMAP_WDT_TIMER_MODE) & 0x8000) {
/*
* disable a potentially running watchdog timer before
* it kills us.
*/
printk(KERN_WARNING "OMAP850 Watchdog seems to be activated, disabling it for now.\n");
omap_writel(0xF5, OMAP_WDT_TIMER_MODE);
omap_writel(0xA0, OMAP_WDT_TIMER_MODE);
}
}
#define HTCHERALD_GPIO_USB_EN1 33
#define HTCHERALD_GPIO_USB_EN2 73
#define HTCHERALD_GPIO_USB_DM 35
#define HTCHERALD_GPIO_USB_DP 36
static void __init htcherald_usb_enable(void)
{
unsigned int tries = 20;
unsigned int value = 0;
/* Request the GPIOs we need to control here */
if (gpio_request(HTCHERALD_GPIO_USB_EN1, "herald_usb") < 0)
goto err1;
if (gpio_request(HTCHERALD_GPIO_USB_EN2, "herald_usb") < 0)
goto err2;
if (gpio_request(HTCHERALD_GPIO_USB_DM, "herald_usb") < 0)
goto err3;
if (gpio_request(HTCHERALD_GPIO_USB_DP, "herald_usb") < 0)
goto err4;
/* force USB_EN GPIO to 0 */
do {
/* output low */
gpio_direction_output(HTCHERALD_GPIO_USB_EN1, 0);
} while ((value = gpio_get_value(HTCHERALD_GPIO_USB_EN1)) == 1 &&
--tries);
if (value == 1)
printk(KERN_WARNING "Unable to reset USB, trying to continue\n");
gpio_direction_output(HTCHERALD_GPIO_USB_EN2, 0); /* output low */
gpio_direction_input(HTCHERALD_GPIO_USB_DM); /* input */
gpio_direction_input(HTCHERALD_GPIO_USB_DP); /* input */
goto done;
err4:
gpio_free(HTCHERALD_GPIO_USB_DM);
err3:
gpio_free(HTCHERALD_GPIO_USB_EN2);
err2:
gpio_free(HTCHERALD_GPIO_USB_EN1);
err1:
printk(KERN_ERR "Unabled to request GPIO for USB\n");
done:
printk(KERN_INFO "USB setup complete.\n");
}
static void __init htcherald_init(void)
{
printk(KERN_INFO "HTC Herald init.\n");
omap_gpio_init();
omap_board_config = htcherald_config;
omap_board_config_size = ARRAY_SIZE(htcherald_config);
platform_add_devices(devices, ARRAY_SIZE(devices));
htcherald_disable_watchdog();
htcherald_usb_enable();
omap_usb_init(&htcherald_usb_config);
}
static void __init htcherald_init_irq(void)
{
printk(KERN_INFO "htcherald_init_irq.\n");
omap1_init_common_hw();
omap_init_irq();
}
MACHINE_START(HERALD, "HTC Herald")
/* Maintainer: Cory Maccarrone <darkstar6262@gmail.com> */
/* Maintainer: wing-linux.sourceforge.net */
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = htcherald_map_io,
.init_irq = htcherald_init_irq,
.init_machine = htcherald_init,
.timer = &omap_timer,
MACHINE_END
|