1/* $Id: common.h,v 1.4 2013/10/07 17:36:40 matt 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)						\
37do {									\
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)						\
42do {									\
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)						\
47do {									\
48	*(volatile uint8_t *)((reg)) = val;				\
49} while (0)
50
51int emi_prep(void);
52int pinctrl_prep(void);
53int args_prep(void);
54void delay(unsigned int);
55void putchar(int);
56int getchar(void);
57
58/* Power prep. */
59void en_vbusvalid(void);
60int vbusvalid(void);
61void power_tune(void);
62void en_4p2_reg(void);
63void en_4p2_to_dcdc(void);
64void power_vddd_from_dcdc(int, int);
65void power_vdda_from_dcdc(int, int);
66void power_vddio_from_dcdc(int, int);
67void power_vddmem(int);
68
69/* Clock prep. */
70void en_pll(void);
71void set_hbus_div(unsigned int);
72void set_cpu_frac(unsigned int);
73void bypass_cpu(void);
74void set_emi_div(unsigned int);
75void set_emi_frac(unsigned int);
76void bypass_emi(void);
77void set_ssp_div(unsigned int);
78void set_io_frac(unsigned int);
79void bypass_ssp(void);
80void bypass_saif(void);
81
82#endif /* !_BOOTIMX23_COMMON_ */
83