2cf3313382
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30010 a1c6a512-1295-4272-9138-f99709370657
125 lines
4.7 KiB
C
125 lines
4.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2011 by Amaury Pouly
|
|
*
|
|
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
|
|
#ifndef __PINCTRL_IMX233_H__
|
|
#define __PINCTRL_IMX233_H__
|
|
|
|
#include "cpu.h"
|
|
|
|
#define HW_PINCTRL_BASE 0x80018000
|
|
|
|
#define HW_PINCTRL_CTRL (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x0))
|
|
#define HW_PINCTRL_MUXSEL(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x100 + (i) * 0x10))
|
|
#define HW_PINCTRL_DRIVE(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x200 + (i) * 0x10))
|
|
#define HW_PINCTRL_PULL(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x400 + (i) * 0x10))
|
|
#define HW_PINCTRL_DOUT(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x500 + (i) * 0x10))
|
|
#define HW_PINCTRL_DIN(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x600 + (i) * 0x10))
|
|
#define HW_PINCTRL_DOE(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x700 + (i) * 0x10))
|
|
#define HW_PINCTRL_PIN2IRQ(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x800 + (i) * 0x10))
|
|
#define HW_PINCTRL_IRQEN(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x900 + (i) * 0x10))
|
|
#define HW_PINCTRL_IRQEN(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0x900 + (i) * 0x10))
|
|
#define HW_PINCTRL_IRQLEVEL(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0xa00 + (i) * 0x10))
|
|
#define HW_PINCTRL_IRQPOL(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0xb00 + (i) * 0x10))
|
|
#define HW_PINCTRL_IRQSTAT(i) (*(volatile uint32_t *)(HW_PINCTRL_BASE + 0xc00 + (i) * 0x10))
|
|
|
|
#define PINCTRL_FUNCTION_MAIN 0
|
|
#define PINCTRL_FUNCTION_ALT1 1
|
|
#define PINCTRL_FUNCTION_ALT2 2
|
|
#define PINCTRL_FUNCTION_GPIO 3
|
|
|
|
#define PINCTRL_DRIVE_4mA 0
|
|
#define PINCTRL_DRIVE_8mA 1
|
|
#define PINCTRL_DRIVE_12mA 2
|
|
#define PINCTRL_DRIVE_16mA 3 /* not available on all pins */
|
|
|
|
static inline void imx233_pinctrl_init(void)
|
|
{
|
|
__REG_CLR(HW_PINCTRL_CTRL) = __BLOCK_CLKGATE;
|
|
__REG_CLR(HW_PINCTRL_CTRL) = __BLOCK_SFTRST;
|
|
}
|
|
|
|
static inline void imx233_set_pin_drive_strength(unsigned bank, unsigned pin, unsigned strength)
|
|
{
|
|
__REG_CLR(HW_PINCTRL_DRIVE(4 * bank + pin / 8)) = 3 << (4 * (pin % 8));
|
|
__REG_SET(HW_PINCTRL_DRIVE(4 * bank + pin / 8)) = strength << (4 * (pin % 8));
|
|
}
|
|
|
|
static inline void imx233_enable_gpio_output(unsigned bank, unsigned pin, bool enable)
|
|
{
|
|
if(enable)
|
|
__REG_SET(HW_PINCTRL_DOE(bank)) = 1 << pin;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_DOE(bank)) = 1 << pin;
|
|
}
|
|
|
|
static inline void imx233_enable_gpio_output_mask(unsigned bank, uint32_t pin_mask, bool enable)
|
|
{
|
|
if(enable)
|
|
__REG_SET(HW_PINCTRL_DOE(bank)) = pin_mask;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_DOE(bank)) = pin_mask;
|
|
}
|
|
|
|
static inline void imx233_set_gpio_output(unsigned bank, unsigned pin, bool value)
|
|
{
|
|
if(value)
|
|
__REG_SET(HW_PINCTRL_DOUT(bank)) = 1 << pin;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_DOUT(bank)) = 1 << pin;
|
|
}
|
|
|
|
static inline void imx233_set_gpio_output_mask(unsigned bank, uint32_t pin_mask, bool value)
|
|
{
|
|
if(value)
|
|
__REG_SET(HW_PINCTRL_DOUT(bank)) = pin_mask;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_DOUT(bank)) = pin_mask;
|
|
}
|
|
|
|
static inline uint32_t imx233_get_gpio_input_mask(unsigned bank, uint32_t pin_mask)
|
|
{
|
|
return HW_PINCTRL_DIN(bank) & pin_mask;
|
|
}
|
|
|
|
static inline void imx233_set_pin_function(unsigned bank, unsigned pin, unsigned function)
|
|
{
|
|
__REG_CLR(HW_PINCTRL_MUXSEL(2 * bank + pin / 16)) = 3 << (2 * (pin % 16));
|
|
__REG_SET(HW_PINCTRL_MUXSEL(2 * bank + pin / 16)) = function << (2 * (pin % 16));
|
|
}
|
|
|
|
static inline void imx233_enable_pin_pullup(unsigned bank, unsigned pin, bool enable)
|
|
{
|
|
if(enable)
|
|
__REG_SET(HW_PINCTRL_PULL(bank)) = 1 << pin;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_PULL(bank)) = 1 << pin;
|
|
}
|
|
|
|
static inline void imx233_enable_pin_pullup_mask(unsigned bank, uint32_t pin_msk, bool enable)
|
|
{
|
|
if(enable)
|
|
__REG_SET(HW_PINCTRL_PULL(bank)) = pin_msk;
|
|
else
|
|
__REG_CLR(HW_PINCTRL_PULL(bank)) = pin_msk;
|
|
}
|
|
|
|
#endif /* __PINCTRL_IMX233_H__ */
|