Commit 86e5e38c authored by Dmitry Artamonow's avatar Dmitry Artamonow Committed by Russell King
Browse files

ARM: 5820/1: SA1100: h3100/h3600: split h3600.c 



Split common h3600.c into three separate files: h3100.c, h3600.c and
h3xxx.c (the latter contains common code for h3100/h3600)
Copyright boilerplates and #includes are copied intact and will be
cleaned up later.

Signed-off-by: default avatarDmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8715b29d

arch/arm/mach-sa1100/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -25,8 +25,8 @@ led-$(CONFIG_SA1100_CERF) += leds-cerf.o 


obj-$(CONFIG_SA1100_COLLIE)		+= collie.o



obj-$(CONFIG_SA1100_H3100)		+= h3600.o

obj-$(CONFIG_SA1100_H3600)		+= h3600.o

obj-$(CONFIG_SA1100_H3100)		+= h3100.o h3xxx.o

obj-$(CONFIG_SA1100_H3600)		+= h3600.o h3xxx.o



obj-$(CONFIG_SA1100_HACKKIT)		+= hackkit.o

led-$(CONFIG_SA1100_HACKKIT)		+= leds-hackkit.o

arch/arm/mach-sa1100/h3100.c

0 → 100644
+119 −0
Original line number Diff line number Diff line 
/*

 * 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

arch/arm/mach-sa1100/h3600.c

+0 −333
Original line number Diff line number Diff line
@@ -48,337 +48,6 @@ 


#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

 */
@@ -483,5 +152,3 @@ MACHINE_START(H3600, "Compaq iPAQ H3600") 
	.init_machine	= h3600_mach_init,

MACHINE_END

#endif /* CONFIG_SA1100_H3600 */

arch/arm/mach-sa1100/h3xxx.c

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Original line number Diff line number Diff line 
/*

 * 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"



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,

};



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

 */



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 */

}

arch/arm/mach-sa1100/include/mach/h3xxx.h

+14 −0
Original line number Diff line number Diff line
@@ -87,4 +87,18 @@ 
#define H3600_EGPIO_LCD_5V_ON		(H3XXX_EGPIO_BASE + 14) /* enable 5V to LCD. active high. */

#define H3600_EGPIO_LVDD_ON		(H3XXX_EGPIO_BASE + 15) /* enable 9V and -6.5V to LCD. */



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



void h3xxx_init_gpio(struct gpio_default_state *s, size_t n);

void __init h3xxx_map_io(void);

void __init h3xxx_mach_init(void);



#endif /* _INCLUDE_H3XXX_H_ */

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