/* $Id: common.h,v 1.4 2013/10/07 17:36:40 matt Exp $ */

/*
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Petri Laakso.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _BOOTIMX23_COMMON_
#define _BOOTIMX23_COMMON_

#define REG_RD(reg) *(volatile uint32_t *)(reg)
#define REG_WR(reg, val)                                                \
do {                                                                    \
       *(volatile uint32_t *)((reg)) = val;                            \
} while (0)
#define REG_RD_HW(reg) *(volatile uint16_t *)(reg)
#define REG_WR_HW(reg, val)                                             \
do {                                                                    \
       *(volatile uint16_t *)((reg)) = val;                            \
} while (0)
#define REG_RD_BYTE(reg) *(volatile uint8_t *)(reg)
#define REG_WR_BYTE(reg, val)                                           \
do {                                                                    \
       *(volatile uint8_t *)((reg)) = val;                             \
} while (0)

int emi_prep(void);
int pinctrl_prep(void);
int args_prep(void);
void delay(unsigned int);
void putchar(int);
int getchar(void);

/* Power prep. */
void en_vbusvalid(void);
int vbusvalid(void);
void power_tune(void);
void en_4p2_reg(void);
void en_4p2_to_dcdc(void);
void power_vddd_from_dcdc(int, int);
void power_vdda_from_dcdc(int, int);
void power_vddio_from_dcdc(int, int);
void power_vddmem(int);

/* Clock prep. */
void en_pll(void);
void set_hbus_div(unsigned int);
void set_cpu_frac(unsigned int);
void bypass_cpu(void);
void set_emi_div(unsigned int);
void set_emi_frac(unsigned int);
void bypass_emi(void);
void set_ssp_div(unsigned int);
void set_io_frac(unsigned int);
void bypass_ssp(void);
void bypass_saif(void);

#endif /* !_BOOTIMX23_COMMON_ */