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common.h revision 1.3 
      1 /* $Id: common.h,v 1.3 2013/02/23 16:22:39 jkunz Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Petri Laakso.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _BOOTIMX23_COMMON_
     33 #define _BOOTIMX23_COMMON_
     34 
     35 #define REG_RD(reg) *(volatile uint32_t *)(reg)
     36 #define REG_WR(reg, val)						\
     37 do {									\
     38 	*(volatile uint32_t *)((reg)) = val;				\
     39 } while (0)
     40 #define REG_RD_HW(reg) *(volatile uint16_t *)(reg)
     41 #define REG_WR_HW(reg, val)						\
     42 do {									\
     43 	*(volatile uint16_t *)((reg)) = val;				\
     44 } while (0)
     45 #define REG_RD_BYTE(reg) *(volatile uint8_t *)(reg)
     46 #define REG_WR_BYTE(reg, val)						\
     47 do {									\
     48 	*(volatile uint8_t *)((reg)) = val;				\
     49 } while (0)
     50 
     51 int clock_prep(void);
     52 int emi_prep(void);
     53 int pinctrl_prep(void);
     54 int power_prep(void);
     55 int args_prep(void);
     56 void delay(unsigned int);
     57 void putchar(int);
     58 int getchar(void);
     59 
     60 #endif /* !_BOOTIMX23_COMMON_ */
     61