mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 02:21:47 +00:00
6262c92f51
These files include linux/bootmem.h without using anything from this file; remove the unnecessary include. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
311 lines
7.8 KiB
C
311 lines
7.8 KiB
C
/*
|
|
* 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/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
|