/*
* Freescale STMP37XX development board support
*
* Embedded Alley Solutions, Inc <source@embeddedalley.com>
*
* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/stmp3xxx.h>
#include <mach/pins.h>
#include <mach/pinmux.h>
#include "stmp37xx.h"
/*
* List of STMP37xx development board specific devices
*/
static struct platform_device *stmp37xx_devb_devices[] = {
&stmp3xxx_dbguart,
&stmp3xxx_appuart,
};
static struct pin_desc dbguart_pins_0[] = {
{ PINID_PWM0, PIN_FUN3, },
{ PINID_PWM1, PIN_FUN3, },
};
struct pin_desc appuart_pins_0[] = {
{ PINID_UART2_CTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
{ PINID_UART2_RTS, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
{ PINID_UART2_RX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
{ PINID_UART2_TX, PIN_FUN1, PIN_4MA, PIN_1_8V, 0, },
};
static struct pin_group appuart_pins[] = {
[0] = {
.pins = appuart_pins_0,
.nr_pins = ARRAY_SIZE(appuart_pins_0),
},
/* 37xx has the only app uart */
};
static struct pin_group dbguart_pins[] = {
[0] = {
.pins = dbguart_pins_0,
.nr_pins = ARRAY_SIZE(dbguart_pins_0),
},
};
static int dbguart_pins_control(int id, int request)
{
int r = 0;
if (request)
r = stmp3xxx_request_pin_group(&dbguart_pins[id], "debug uart");
else
stmp3xxx_release_pin_group(&dbguart_pins[id], "debug uart");
return r;
}
static void __init stmp37xx_devb_init(void)
{
stmp3xxx_pinmux_init(NR_REAL_IRQS);
/* Init STMP3xxx platform */
stmp3xxx_init();
stmp3xxx_dbguart.dev.platform_data = dbguart_pins_control;
stmp3xxx_appuart.dev.platform_data = appuart_pins;
/* Add STMP37xx development board devices */
platform_add_devices(stmp37xx_devb_devices,
ARRAY_SIZE(stmp37xx_devb_devices));
}
MACHINE_START(STMP37XX, "STMP37XX")
.boot_params = 0x40000100,
.map_io = stmp37xx_map_io,
.init_irq = stmp37xx_init_irq,
.timer = &stmp3xxx_timer,
.init_machine = stmp37xx_devb_init,
MACHINE_END
