120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
|
/*
|
||
|
|
* Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
|
||
|
|
*
|
||
|
|
* Copyright 2000,1 Compaq Computer Corporation.
|
||
|
|
*
|
||
|
|
* Use consistent with the GNU GPL is permitted,
|
||
|
|
* provided that this copyright notice is
|
||
|
|
* preserved in its entirety in all copies and derived works.
|
||
|
|
*
|
||
|
|
* COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
|
||
|
|
* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
|
||
|
|
* FITNESS FOR ANY PARTICULAR PURPOSE.
|
||
|
|
*
|
||
|
|
* Author: Jamey Hicks.
|
||
|
|
*
|
||
|
|
* History:
|
||
|
|
*
|
||
|
|
* 2001-10-?? Andrew Christian Added support for iPAQ H3800
|
||
|
|
* and abstracted EGPIO interface.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/tty.h>
|
||
|
|
#include <linux/pm.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/mfd/htc-egpio.h>
|
||
|
|
#include <linux/mtd/mtd.h>
|
||
|
|
#include <linux/mtd/partitions.h>
|
||
|
|
#include <linux/serial_core.h>
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
|
||
|
|
#include <asm/irq.h>
|
||
|
|
#include <mach/hardware.h>
|
||
|
|
#include <asm/mach-types.h>
|
||
|
|
#include <asm/setup.h>
|
||
|
|
|
||
|
|
#include <asm/mach/irq.h>
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <asm/mach/flash.h>
|
||
|
|
#include <asm/mach/irda.h>
|
||
|
|
#include <asm/mach/map.h>
|
||
|
|
#include <asm/mach/serial_sa1100.h>
|
||
|
|
|
||
|
|
#include <mach/h3xxx.h>
|
||
|
|
|
||
|
|
#include "generic.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* helper for sa1100fb
|
||
|
|
*/
|
||
|
|
static void h3100_lcd_power(int enable)
|
||
|
|
{
|
||
|
|
if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
|
||
|
|
gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
|
||
|
|
gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
|
||
|
|
gpio_free(H3XXX_EGPIO_LCD_ON);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void __init h3100_map_io(void)
|
||
|
|
{
|
||
|
|
h3xxx_map_io();
|
||
|
|
|
||
|
|
sa1100fb_lcd_power = h3100_lcd_power;
|
||
|
|
|
||
|
|
/* Older bootldrs put GPIO2-9 in alternate mode on the
|
||
|
|
assumption that they are used for video */
|
||
|
|
GAFR &= ~0x000001fb;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This turns the IRDA power on or off on the Compaq H3100
|
||
|
|
*/
|
||
|
|
static int h3100_irda_set_power(struct device *dev, unsigned int state)
|
||
|
|
{
|
||
|
|
gpio_set_value(H3100_GPIO_IR_ON, state);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
|
||
|
|
{
|
||
|
|
gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct irda_platform_data h3100_irda_data = {
|
||
|
|
.set_power = h3100_irda_set_power,
|
||
|
|
.set_speed = h3100_irda_set_speed,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct gpio_default_state h3100_default_gpio[] = {
|
||
|
|
{ H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
|
||
|
|
{ H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
|
||
|
|
{ H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
|
||
|
|
{ H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
|
||
|
|
{ H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
|
||
|
|
{ H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init h3100_mach_init(void)
|
||
|
|
{
|
||
|
|
h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
|
||
|
|
h3xxx_mach_init();
|
||
|
|
sa11x0_register_irda(&h3100_irda_data);
|
||
|
|
}
|
||
|
|
|
||
|
|
MACHINE_START(H3100, "Compaq iPAQ H3100")
|
||
|
|
.phys_io = 0x80000000,
|
||
|
|
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
|
||
|
|
.boot_params = 0xc0000100,
|
||
|
|
.map_io = h3100_map_io,
|
||
|
|
.init_irq = sa1100_init_irq,
|
||
|
|
.timer = &sa1100_timer,
|
||
|
|
.init_machine = h3100_mach_init,
|
||
|
|
MACHINE_END
|
||
|
|
|