[deliverable/linux.git] / arch / arm / mach-sa1100 / h3600.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/h3600.h>
#include <mach/h3600_gpio.h>

#include "generic.h"

struct gpio_default_state {
	int gpio;
	int mode;
	const char *name;
};

#define GPIO_MODE_IN	-1
#define GPIO_MODE_OUT0	0
#define GPIO_MODE_OUT1	1

static void h3xxx_init_gpio(struct gpio_default_state *s, size_t n)
{
	while (n--) {
		const char *name = s->name;
		int err;

		if (!name)
			name = "[init]";
		err = gpio_request(s->gpio, name);
		if (err) {
			printk(KERN_ERR "gpio%u: unable to request: %d\n",
				s->gpio, err);
			continue;
		}
		if (s->mode >= 0) {
			err = gpio_direction_output(s->gpio, s->mode);
		} else {
			err = gpio_direction_input(s->gpio);
		}
		if (err) {
			printk(KERN_ERR "gpio%u: unable to set direction: %d\n",
				s->gpio, err);
			continue;
		}
		if (!s->name)
			gpio_free(s->gpio);
		s++;
	}
}


/*
 * H3xxx flash support
 */
static struct mtd_partition h3xxx_partitions[] = {
	{
		.name		= "H3XXX boot firmware",
		.size		= 0x00040000,
		.offset		= 0,
		.mask_flags	= MTD_WRITEABLE,  /* force read-only */
	}, {
		.name		= "H3XXX rootfs",
		.size		= MTDPART_SIZ_FULL,
		.offset		= 0x00040000,
	}
};

static void h3xxx_set_vpp(int vpp)
{
	gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp);
}

static int h3xxx_flash_init(void)
{
	int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp");
	if (err)
		return err;

	err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0);
	if (err)
		gpio_free(H3XXX_EGPIO_VPP_ON);

	return err;
}

static void h3xxx_flash_exit(void)
{
	gpio_free(H3XXX_EGPIO_VPP_ON);
}

static struct flash_platform_data h3xxx_flash_data = {
	.map_name	= "cfi_probe",
	.set_vpp	= h3xxx_set_vpp,
	.init		= h3xxx_flash_init,
	.exit		= h3xxx_flash_exit,
	.parts		= h3xxx_partitions,
	.nr_parts	= ARRAY_SIZE(h3xxx_partitions),
};

static struct resource h3xxx_flash_resource = {
	.start		= SA1100_CS0_PHYS,
	.end		= SA1100_CS0_PHYS + SZ_32M - 1,
	.flags		= IORESOURCE_MEM,
};


/*
 * H3xxx uart support
 */
static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl)
{
	if (port->mapbase == _Ser3UTCR0) {
		gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS));
	}
}

static u_int h3xxx_uart_get_mctrl(struct uart_port *port)
{
	u_int ret = TIOCM_CD | TIOCM_CTS | TIOCM_DSR;

	if (port->mapbase == _Ser3UTCR0) {
		/*
		 * DCD and CTS bits are inverted in GPLR by RS232 transceiver
		 */
		if (gpio_get_value(H3XXX_GPIO_COM_DCD))
			ret &= ~TIOCM_CD;
		if (gpio_get_value(H3XXX_GPIO_COM_CTS))
			ret &= ~TIOCM_CTS;
	}

	return ret;
}

static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
{
	if (port->mapbase == _Ser3UTCR0)
		if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) {
			gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state);
			gpio_free(H3XXX_EGPIO_RS232_ON);
		}
}

/*
 * Enable/Disable wake up events for this serial port.
 * Obviously, we only support this on the normal COM port.
 */
static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable)
{
	int err = -EINVAL;

	if (port->mapbase == _Ser3UTCR0) {
		if (enable)
			PWER |= PWER_GPIO23 | PWER_GPIO25; /* DCD and CTS */
		else
			PWER &= ~(PWER_GPIO23 | PWER_GPIO25); /* DCD and CTS */
		err = 0;
	}
	return err;
}

static struct sa1100_port_fns h3xxx_port_fns __initdata = {
	.set_mctrl	= h3xxx_uart_set_mctrl,
	.get_mctrl	= h3xxx_uart_get_mctrl,
	.pm		= h3xxx_uart_pm,
	.set_wake	= h3xxx_uart_set_wake,
};

/*
 * EGPIO
 */

static struct resource egpio_resources[] = {
	[0] = {
		.start	= H3600_EGPIO_PHYS,
		.end	= H3600_EGPIO_PHYS + 0x4 - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct htc_egpio_chip egpio_chips[] = {
	[0] = {
		.reg_start	= 0,
		.gpio_base	= H3XXX_EGPIO_BASE,
		.num_gpios	= 16,
		.direction	= HTC_EGPIO_OUTPUT,
		.initial_values	= 0x0080, /* H3XXX_EGPIO_RS232_ON */
	},
};

static struct htc_egpio_platform_data egpio_info = {
	.reg_width	= 16,
	.bus_width	= 16,
	.chip		= egpio_chips,
	.num_chips	= ARRAY_SIZE(egpio_chips),
};

static struct platform_device h3xxx_egpio = {
	.name		= "htc-egpio",
	.id		= -1,
	.resource	= egpio_resources,
	.num_resources	= ARRAY_SIZE(egpio_resources),
	.dev		= {
		.platform_data = &egpio_info,
	},
};

static struct platform_device *h3xxx_devices[] = {
	&h3xxx_egpio,
};

static void __init h3xxx_mach_init(void)
{
	sa1100_register_uart_fns(&h3xxx_port_fns);
	sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
	platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));
}

static struct map_desc h3600_io_desc[] __initdata = {
  	{	/* static memory bank 2  CS#2 */
		.virtual	=  H3600_BANK_2_VIRT,
		.pfn		= __phys_to_pfn(SA1100_CS2_PHYS),
		.length		= 0x02800000,
		.type		= MT_DEVICE
	}, {	/* static memory bank 4  CS#4 */
		.virtual	=  H3600_BANK_4_VIRT,
		.pfn		= __phys_to_pfn(SA1100_CS4_PHYS),
		.length		= 0x00800000,
		.type		= MT_DEVICE
	}, {	/* EGPIO 0		CS#5 */
		.virtual	=  H3600_EGPIO_VIRT,
		.pfn		= __phys_to_pfn(H3600_EGPIO_PHYS),
		.length		= 0x01000000,
		.type		= MT_DEVICE
	}
};

/*
 * Common map_io initialization
 */

static void __init h3xxx_map_io(void)
{
	sa1100_map_io();
	iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));

	sa1100_register_uart(0, 3); /* Common serial port */
//	sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */

	/* Ensure those pins are outputs and driving low  */
	PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM;
	PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);

	/* Configure suspend conditions */
	PGSR = 0;
	PWER = PWER_GPIO0;
	PCFR = PCFR_OPDE;
	PSDR = 0;

	GPCR = 0x0fffffff;	/* All outputs are set low by default */
	GPDR = 0;		/* Configure all GPIOs as input */
}

/************************* H3100 *************************/

#ifdef CONFIG_SA1100_H3100

/*
 * 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

#endif /* CONFIG_SA1100_H3100 */

/************************* H3600 *************************/

#ifdef CONFIG_SA1100_H3600

/*
 * helper for sa1100fb
 */
static void h3600_lcd_power(int enable)
{
	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power"))
		goto err1;
	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control"))
		goto err2;
	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v"))
		goto err3;
	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v"))
		goto err4;

	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);

	gpio_free(H3600_EGPIO_LVDD_ON);
err4:	gpio_free(H3600_EGPIO_LCD_5V_ON);
err3:	gpio_free(H3600_EGPIO_LCD_PCI);
err2:	gpio_free(H3XXX_EGPIO_LCD_ON);
err1:	return;
}

static void __init h3600_map_io(void)
{
	h3xxx_map_io();

	sa1100fb_lcd_power = h3600_lcd_power;
}

/*
 * This turns the IRDA power on or off on the Compaq H3600
 */
static int h3600_irda_set_power(struct device *dev, unsigned int state)
{
	gpio_set_value(H3600_EGPIO_IR_ON, state);
	return 0;
}

static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
{
	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
}

static int h3600_irda_startup(struct device *dev)
{
	int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
	if (err)
		goto err1;
	err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
	if (err)
		goto err2;
	err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
	if (err)
		goto err2;
	err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
	if (err)
		goto err3;
	return 0;

err3:	gpio_free(H3600_EGPIO_IR_FSEL);
err2:	gpio_free(H3600_EGPIO_IR_ON);
err1:	return err;
}

static void h3600_irda_shutdown(struct device *dev)
{
	gpio_free(H3600_EGPIO_IR_ON);
	gpio_free(H3600_EGPIO_IR_FSEL);
}

static struct irda_platform_data h3600_irda_data = {
	.set_power	= h3600_irda_set_power,
	.set_speed	= h3600_irda_set_speed,
	.startup	= h3600_irda_startup,
	.shutdown	= h3600_irda_shutdown,
};

static struct gpio_default_state h3600_default_gpio[] = {
	{ 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" },
};

static void __init h3600_mach_init(void)
{
	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
	h3xxx_mach_init();
	sa11x0_register_irda(&h3600_irda_data);
}

MACHINE_START(H3600, "Compaq iPAQ H3600")
	.phys_io	= 0x80000000,
	.io_pg_offst	= ((0xf8000000) >> 18) & 0xfffc,
	.boot_params	= 0xc0000100,
	.map_io		= h3600_map_io,
	.init_irq	= sa1100_init_irq,
	.timer		= &sa1100_timer,
	.init_machine	= h3600_mach_init,
MACHINE_END

#endif /* CONFIG_SA1100_H3600 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
	3	*
	4	* Copyright 2000,1 Compaq Computer Corporation.
	5	*
	6	* Use consistent with the GNU GPL is permitted,
	7	* provided that this copyright notice is
	8	* preserved in its entirety in all copies and derived works.
	9	*
	10	* COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
	11	* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
	12	* FITNESS FOR ANY PARTICULAR PURPOSE.
	13	*
	14	* Author: Jamey Hicks.
	15	*
	16	* History:
	17	*
	18	* 2001-10-?? Andrew Christian Added support for iPAQ H3800
	19	* and abstracted EGPIO interface.
	20	*
	21	*/
1da177e4 LT	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24	#include <linux/kernel.h>
	25	#include <linux/tty.h>
	26	#include <linux/pm.h>
	27	#include <linux/device.h>
2eec62d7	28	#include <linux/mfd/htc-egpio.h>
1da177e4 LT	29	#include <linux/mtd/mtd.h>
	30	#include <linux/mtd/partitions.h>
	31	#include <linux/serial_core.h>
0831e3e4	32	#include <linux/gpio.h>
2eec62d7	33	#include <linux/platform_device.h>
1da177e4 LT	34
1da177e4 LT	35	#include <asm/irq.h>
a09e64fb	36	#include <mach/hardware.h>
1da177e4 LT	37	#include <asm/mach-types.h>
	38	#include <asm/setup.h>
	39
	40	#include <asm/mach/irq.h>
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/flash.h>
	43	#include <asm/mach/irda.h>
	44	#include <asm/mach/map.h>
	45	#include <asm/mach/serial_sa1100.h>
	46
a09e64fb	47	#include <mach/h3600.h>
a09e64fb	48	#include <mach/h3600_gpio.h>
1da177e4 LT	49
	50	#include "generic.h"
	51
0831e3e4 RK	52	struct gpio_default_state {
	53	int gpio;
	54	int mode;
	55	const char *name;
	56	};
	57
	58	#define GPIO_MODE_IN -1
	59	#define GPIO_MODE_OUT0 0
	60	#define GPIO_MODE_OUT1 1
	61
	62	static void h3xxx_init_gpio(struct gpio_default_state *s, size_t n)
	63	{
	64	while (n--) {
	65	const char *name = s->name;
	66	int err;
	67
	68	if (!name)
	69	name = "[init]";
	70	err = gpio_request(s->gpio, name);
	71	if (err) {
	72	printk(KERN_ERR "gpio%u: unable to request: %d\n",
	73	s->gpio, err);
	74	continue;
	75	}
	76	if (s->mode >= 0) {
	77	err = gpio_direction_output(s->gpio, s->mode);
	78	} else {
	79	err = gpio_direction_input(s->gpio);
	80	}
	81	if (err) {
	82	printk(KERN_ERR "gpio%u: unable to set direction: %d\n",
	83	s->gpio, err);
	84	continue;
	85	}
	86	if (!s->name)
	87	gpio_free(s->gpio);
	88	s++;
	89	}
	90	}
	91
	92
6e21ee6a RK	93	/*
	94	* H3xxx flash support
	95	*/
1da177e4 LT	96	static struct mtd_partition h3xxx_partitions[] = {
	97	{
	98	.name = "H3XXX boot firmware",
	99	.size = 0x00040000,
	100	.offset = 0,
	101	.mask_flags = MTD_WRITEABLE, /* force read-only */
	102	}, {
f110b3f2	103	.name = "H3XXX rootfs",
1da177e4 LT	104	.size = MTDPART_SIZ_FULL,
1da177e4 LT	105	.offset = 0x00040000,
1da177e4 LT	106	}
	107	};
	108
	109	static void h3xxx_set_vpp(int vpp)
	110	{
22f97405 DA	111	gpio_set_value(H3XXX_EGPIO_VPP_ON, vpp);
	112	}
	113
	114	static int h3xxx_flash_init(void)
	115	{
	116	int err = gpio_request(H3XXX_EGPIO_VPP_ON, "Flash Vpp");
	117	if (err)
	118	return err;
	119
	120	err = gpio_direction_output(H3XXX_EGPIO_VPP_ON, 0);
	121	if (err)
	122	gpio_free(H3XXX_EGPIO_VPP_ON);
	123
	124	return err;
	125	}
	126
	127	static void h3xxx_flash_exit(void)
	128	{
	129	gpio_free(H3XXX_EGPIO_VPP_ON);
1da177e4 LT	130	}
	131
	132	static struct flash_platform_data h3xxx_flash_data = {
	133	.map_name = "cfi_probe",
	134	.set_vpp = h3xxx_set_vpp,
22f97405 DA	135	.init = h3xxx_flash_init,
22f97405 DA	136	.exit = h3xxx_flash_exit,
1da177e4 LT	137	.parts = h3xxx_partitions,
	138	.nr_parts = ARRAY_SIZE(h3xxx_partitions),
	139	};
	140
	141	static struct resource h3xxx_flash_resource = {
	142	.start = SA1100_CS0_PHYS,
	143	.end = SA1100_CS0_PHYS + SZ_32M - 1,
	144	.flags = IORESOURCE_MEM,
	145	};
	146
1da177e4 LT	147
1da177e4 LT	148	/*
6e21ee6a	149	* H3xxx uart support
1da177e4	150	*/
6e21ee6a	151	static void h3xxx_uart_set_mctrl(struct uart_port *port, u_int mctrl)
1da177e4 LT	152	{
1da177e4 LT	153	if (port->mapbase == _Ser3UTCR0) {
6e21ee6a	154	gpio_set_value(H3XXX_GPIO_COM_RTS, !(mctrl & TIOCM_RTS));
1da177e4 LT	155	}
	156	}
	157
6e21ee6a	158	static u_int h3xxx_uart_get_mctrl(struct uart_port *port)
1da177e4 LT	159	{
	160	u_int ret = TIOCM_CD \| TIOCM_CTS \| TIOCM_DSR;
	161
	162	if (port->mapbase == _Ser3UTCR0) {
6e21ee6a RK	163	/*
	164	* DCD and CTS bits are inverted in GPLR by RS232 transceiver
	165	*/
	166	if (gpio_get_value(H3XXX_GPIO_COM_DCD))
1da177e4	167	ret &= ~TIOCM_CD;
6e21ee6a	168	if (gpio_get_value(H3XXX_GPIO_COM_CTS))
1da177e4 LT	169	ret &= ~TIOCM_CTS;
	170	}
	171
	172	return ret;
	173	}
	174
6e21ee6a	175	static void h3xxx_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
1da177e4	176	{
2a151a0f	177	if (port->mapbase == _Ser3UTCR0)
22f97405 DA	178	if (!gpio_request(H3XXX_EGPIO_RS232_ON, "RS232 transceiver")) {
	179	gpio_direction_output(H3XXX_EGPIO_RS232_ON, !state);
	180	gpio_free(H3XXX_EGPIO_RS232_ON);
	181	}
1da177e4 LT	182	}
	183
	184	/*
	185	* Enable/Disable wake up events for this serial port.
	186	* Obviously, we only support this on the normal COM port.
	187	*/
6e21ee6a	188	static int h3xxx_uart_set_wake(struct uart_port *port, u_int enable)
1da177e4 LT	189	{
	190	int err = -EINVAL;
	191
	192	if (port->mapbase == _Ser3UTCR0) {
	193	if (enable)
	194	PWER \|= PWER_GPIO23 \| PWER_GPIO25; /* DCD and CTS */
	195	else
	196	PWER &= ~(PWER_GPIO23 \| PWER_GPIO25); /* DCD and CTS */
	197	err = 0;
	198	}
	199	return err;
	200	}
	201
6e21ee6a RK	202	static struct sa1100_port_fns h3xxx_port_fns __initdata = {
	203	.set_mctrl = h3xxx_uart_set_mctrl,
	204	.get_mctrl = h3xxx_uart_get_mctrl,
	205	.pm = h3xxx_uart_pm,
	206	.set_wake = h3xxx_uart_set_wake,
1da177e4 LT	207	};
1da177e4 LT	208
2eec62d7 DA	209	/*
	210	* EGPIO
	211	*/
	212
	213	static struct resource egpio_resources[] = {
	214	[0] = {
	215	.start = H3600_EGPIO_PHYS,
	216	.end = H3600_EGPIO_PHYS + 0x4 - 1,
	217	.flags = IORESOURCE_MEM,
	218	},
	219	};
	220
	221	static struct htc_egpio_chip egpio_chips[] = {
	222	[0] = {
	223	.reg_start = 0,
	224	.gpio_base = H3XXX_EGPIO_BASE,
	225	.num_gpios = 16,
	226	.direction = HTC_EGPIO_OUTPUT,
	227	.initial_values = 0x0080, /* H3XXX_EGPIO_RS232_ON */
	228	},
	229	};
	230
	231	static struct htc_egpio_platform_data egpio_info = {
	232	.reg_width = 16,
	233	.bus_width = 16,
	234	.chip = egpio_chips,
	235	.num_chips = ARRAY_SIZE(egpio_chips),
	236	};
	237
	238	static struct platform_device h3xxx_egpio = {
	239	.name = "htc-egpio",
	240	.id = -1,
	241	.resource = egpio_resources,
	242	.num_resources = ARRAY_SIZE(egpio_resources),
	243	.dev = {
	244	.platform_data = &egpio_info,
	245	},
	246	};
	247
	248	static struct platform_device *h3xxx_devices[] = {
	249	&h3xxx_egpio,
	250	};
6e21ee6a	251
e55b20e8	252	static void __init h3xxx_mach_init(void)
6e21ee6a RK	253	{
	254	sa1100_register_uart_fns(&h3xxx_port_fns);
	255	sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
2eec62d7	256	platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));
6e21ee6a RK	257	}
6e21ee6a RK	258
1da177e4	259	static struct map_desc h3600_io_desc[] __initdata = {
92519d82 DS	260	{ /* static memory bank 2 CS#2 */
	261	.virtual = H3600_BANK_2_VIRT,
	262	.pfn = __phys_to_pfn(SA1100_CS2_PHYS),
	263	.length = 0x02800000,
	264	.type = MT_DEVICE
	265	}, { /* static memory bank 4 CS#4 */
	266	.virtual = H3600_BANK_4_VIRT,
	267	.pfn = __phys_to_pfn(SA1100_CS4_PHYS),
	268	.length = 0x00800000,
	269	.type = MT_DEVICE
	270	}, { /* EGPIO 0 CS#5 */
	271	.virtual = H3600_EGPIO_VIRT,
	272	.pfn = __phys_to_pfn(H3600_EGPIO_PHYS),
	273	.length = 0x01000000,
	274	.type = MT_DEVICE
	275	}
1da177e4 LT	276	};
	277
	278	/*
	279	* Common map_io initialization
	280	*/
	281
	282	static void __init h3xxx_map_io(void)
	283	{
	284	sa1100_map_io();
	285	iotable_init(h3600_io_desc, ARRAY_SIZE(h3600_io_desc));
	286
1da177e4 LT	287	sa1100_register_uart(0, 3); /* Common serial port */
	288	// sa1100_register_uart(1, 1); /* Microcontroller on 3100/3600 */
	289
	290	/* Ensure those pins are outputs and driving low */
	291	PPDR \|= PPC_TXD4 \| PPC_SCLK \| PPC_SFRM;
	292	PPSR &= ~(PPC_TXD4 \| PPC_SCLK \| PPC_SFRM);
	293
	294	/* Configure suspend conditions */
	295	PGSR = 0;
0fb85a5a	296	PWER = PWER_GPIO0;
1da177e4 LT	297	PCFR = PCFR_OPDE;
	298	PSDR = 0;
	299
51834901 DA	300	GPCR = 0x0fffffff; /* All outputs are set low by default */
51834901 DA	301	GPDR = 0; /* Configure all GPIOs as input */
1da177e4 LT	302	}
1da177e4 LT	303
1da177e4 LT	304	/*********************** H3100 ***********************/
	305
	306	#ifdef CONFIG_SA1100_H3100
	307
cf5a87d8 DA	308	/*
	309	* helper for sa1100fb
	310	*/
	311	static void h3100_lcd_power(int enable)
	312	{
22f97405 DA	313	if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
	314	gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
	315	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	316	gpio_free(H3XXX_EGPIO_LCD_ON);
	317	}
cf5a87d8 DA	318	}
cf5a87d8 DA	319
1da177e4 LT	320
	321	static void __init h3100_map_io(void)
	322	{
	323	h3xxx_map_io();
	324
cf5a87d8 DA	325	sa1100fb_lcd_power = h3100_lcd_power;
cf5a87d8 DA	326
1da177e4 LT	327	/* Older bootldrs put GPIO2-9 in alternate mode on the
1da177e4 LT	328	assumption that they are used for video */
51834901	329	GAFR &= ~0x000001fb;
1da177e4 LT	330	}
1da177e4 LT	331
a5d176a1 RK	332	/*
	333	* This turns the IRDA power on or off on the Compaq H3100
	334	*/
	335	static int h3100_irda_set_power(struct device *dev, unsigned int state)
	336	{
9c196f0f	337	gpio_set_value(H3100_GPIO_IR_ON, state);
a5d176a1 RK	338	return 0;
	339	}
	340
	341	static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
	342	{
9c196f0f	343	gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
a5d176a1 RK	344	}
	345
	346	static struct irda_platform_data h3100_irda_data = {
	347	.set_power = h3100_irda_set_power,
	348	.set_speed = h3100_irda_set_speed,
	349	};
	350
9c196f0f RK	351	static struct gpio_default_state h3100_default_gpio[] = {
	352	{ H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
	353	{ H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
6e21ee6a RK	354	{ H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
	355	{ H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
	356	{ H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
22f97405	357	{ H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
9c196f0f RK	358	};
9c196f0f RK	359
e55b20e8	360	static void __init h3100_mach_init(void)
898e810e	361	{
9c196f0f	362	h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
898e810e	363	h3xxx_mach_init();
a5d176a1	364	sa11x0_register_irda(&h3100_irda_data);
898e810e RK	365	}
898e810e RK	366
1da177e4	367	MACHINE_START(H3100, "Compaq iPAQ H3100")
e9dea0c6 RK	368	.phys_io = 0x80000000,
	369	.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
	370	.boot_params = 0xc0000100,
	371	.map_io = h3100_map_io,
	372	.init_irq = sa1100_init_irq,
1da177e4	373	.timer = &sa1100_timer,
898e810e	374	.init_machine = h3100_mach_init,
1da177e4 LT	375	MACHINE_END
	376
	377	#endif /* CONFIG_SA1100_H3100 */
	378
	379	/*********************** H3600 ***********************/
	380
	381	#ifdef CONFIG_SA1100_H3600
	382
cf5a87d8 DA	383	/*
	384	* helper for sa1100fb
	385	*/
	386	static void h3600_lcd_power(int enable)
	387	{
22f97405 DA	388	if (gpio_request(H3XXX_EGPIO_LCD_ON, "LCD power"))
	389	goto err1;
	390	if (gpio_request(H3600_EGPIO_LCD_PCI, "LCD control"))
	391	goto err2;
	392	if (gpio_request(H3600_EGPIO_LCD_5V_ON, "LCD 5v"))
	393	goto err3;
	394	if (gpio_request(H3600_EGPIO_LVDD_ON, "LCD 9v/-6.5v"))
	395	goto err4;
	396
	397	gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
	398	gpio_direction_output(H3600_EGPIO_LCD_PCI, enable);
	399	gpio_direction_output(H3600_EGPIO_LCD_5V_ON, enable);
	400	gpio_direction_output(H3600_EGPIO_LVDD_ON, enable);
	401
	402	gpio_free(H3600_EGPIO_LVDD_ON);
	403	err4: gpio_free(H3600_EGPIO_LCD_5V_ON);
	404	err3: gpio_free(H3600_EGPIO_LCD_PCI);
	405	err2: gpio_free(H3XXX_EGPIO_LCD_ON);
	406	err1: return;
cf5a87d8 DA	407	}
cf5a87d8 DA	408
1da177e4 LT	409	static void __init h3600_map_io(void)
	410	{
	411	h3xxx_map_io();
	412
cf5a87d8	413	sa1100fb_lcd_power = h3600_lcd_power;
1da177e4 LT	414	}
1da177e4 LT	415
a5d176a1 RK	416	/*
	417	* This turns the IRDA power on or off on the Compaq H3600
	418	*/
	419	static int h3600_irda_set_power(struct device *dev, unsigned int state)
	420	{
22f97405	421	gpio_set_value(H3600_EGPIO_IR_ON, state);
a5d176a1 RK	422	return 0;
	423	}
	424
	425	static void h3600_irda_set_speed(struct device *dev, unsigned int speed)
	426	{
22f97405 DA	427	gpio_set_value(H3600_EGPIO_IR_FSEL, !(speed < 4000000));
	428	}
	429
	430	static int h3600_irda_startup(struct device *dev)
	431	{
	432	int err = gpio_request(H3600_EGPIO_IR_ON, "IrDA power");
	433	if (err)
	434	goto err1;
	435	err = gpio_direction_output(H3600_EGPIO_IR_ON, 0);
	436	if (err)
	437	goto err2;
	438	err = gpio_request(H3600_EGPIO_IR_FSEL, "IrDA fsel");
	439	if (err)
	440	goto err2;
	441	err = gpio_direction_output(H3600_EGPIO_IR_FSEL, 0);
	442	if (err)
	443	goto err3;
	444	return 0;
	445
	446	err3: gpio_free(H3600_EGPIO_IR_FSEL);
	447	err2: gpio_free(H3600_EGPIO_IR_ON);
	448	err1: return err;
	449	}
	450
	451	static void h3600_irda_shutdown(struct device *dev)
	452	{
	453	gpio_free(H3600_EGPIO_IR_ON);
	454	gpio_free(H3600_EGPIO_IR_FSEL);
a5d176a1 RK	455	}
	456
	457	static struct irda_platform_data h3600_irda_data = {
	458	.set_power = h3600_irda_set_power,
	459	.set_speed = h3600_irda_set_speed,
22f97405 DA	460	.startup = h3600_irda_startup,
22f97405 DA	461	.shutdown = h3600_irda_shutdown,
a5d176a1 RK	462	};
a5d176a1 RK	463
6e21ee6a RK	464	static struct gpio_default_state h3600_default_gpio[] = {
	465	{ H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
	466	{ H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
	467	{ H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
	468	};
	469
e55b20e8	470	static void __init h3600_mach_init(void)
898e810e	471	{
6e21ee6a	472	h3xxx_init_gpio(h3600_default_gpio, ARRAY_SIZE(h3600_default_gpio));
898e810e	473	h3xxx_mach_init();
a5d176a1	474	sa11x0_register_irda(&h3600_irda_data);
898e810e RK	475	}
898e810e RK	476
1da177e4	477	MACHINE_START(H3600, "Compaq iPAQ H3600")
e9dea0c6 RK	478	.phys_io = 0x80000000,
	479	.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
	480	.boot_params = 0xc0000100,
	481	.map_io = h3600_map_io,
	482	.init_irq = sa1100_init_irq,
1da177e4	483	.timer = &sa1100_timer,
898e810e	484	.init_machine = h3600_mach_init,
1da177e4 LT	485	MACHINE_END
	486
	487	#endif /* CONFIG_SA1100_H3600 */
	488