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) \ 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 emi_prep(void); 52 int pinctrl_prep(void); 53 int args_prep(void); 54 void delay(unsigned int); 55 void putchar(int); 56 int getchar(void); 57 58 /* Power prep. */ 59 void en_vbusvalid(void); 60 int vbusvalid(void); 61 void power_tune(void); 62 void en_4p2_reg(void); 63 void en_4p2_to_dcdc(void); 64 void power_vddd_from_dcdc(int, int); 65 void power_vdda_from_dcdc(int, int); 66 void power_vddio_from_dcdc(int, int); 67 void power_vddmem(int); 68 69 /* Clock prep. */ 70 void en_pll(void); 71 void set_hbus_div(unsigned int); 72 void set_cpu_frac(unsigned int); 73 void bypass_cpu(void); 74 void set_emi_div(unsigned int); 75 void set_emi_frac(unsigned int); 76 void bypass_emi(void); 77 void set_ssp_div(unsigned int); 78 void set_io_frac(unsigned int); 79 void bypass_ssp(void); 80 void bypass_saif(void); 81 82 #endif /* !_BOOTIMX23_COMMON_ */ 83