ingenic_regs.h revision 1.1
1/* $NetBSD: ingenic_regs.h,v 1.1 2014/11/22 15:17:01 macallan Exp $ */ 2 3/*- 4 * Copyright (c) 2014 Michael Lorenz 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#include <mips/locore.h> 30 31#ifndef INGENIC_REGS_H 32#define INGENIC_REGS_H 33 34/* UARTs, mostly 16550 compatible with 32bit spaced registers */ 35#define JZ_UART0 0x10030000 36#define JZ_UART1 0x10031000 37#define JZ_UART2 0x10032000 38#define JZ_UART3 0x10033000 39#define JZ_UART4 0x10034000 40 41/* watchdog */ 42#define JZ_WDOG_TDR 0x10002000 /* compare */ 43#define JZ_WDOG_TCER 0x10002004 44 #define TCER_ENABLE 0x01 /* enable counter */ 45#define JZ_WDOG_TCNT 0x10002008 /* 16bit up count */ 46#define JZ_WDOG_TCSR 0x1000200c 47 #define TCSR_PCK_EN 0x01 /* PCLK */ 48 #define TCSR_RTC_EN 0x02 /* RTCCLK - 32.768kHz */ 49 #define TCSR_EXT_EN 0x04 /* EXTCLK - 12MHz? */ 50 #define TCSR_PRESCALE_M 0x38 51 #define TCSR_DIV_1 0x00 52 #define TCSR_DIV_4 0x08 53 #define TCSR_DIV_16 0x10 54 #define TCSR_DIV_64 0x18 55 #define TCSR_DIV_256 0x20 56 #define TCSR_DIV_1024 0x28 57 58/* timers and PWMs */ 59#define JZ_TC_TER 0x10002010 /* TC enable reg, ro */ 60#define JZ_TC_TESR 0x10002014 /* TC enable set reg. */ 61 #define TESR_TCST0 0x0001 /* enable counter 0 */ 62 #define TESR_TCST1 0x0002 /* enable counter 1 */ 63 #define TESR_TCST2 0x0004 /* enable counter 2 */ 64 #define TESR_TCST3 0x0008 /* enable counter 3 */ 65 #define TESR_TCST4 0x0010 /* enable counter 4 */ 66 #define TESR_TCST5 0x0014 /* enable counter 5 */ 67 #define TESR_TCST6 0x0018 /* enable counter 6 */ 68 #define TESR_TCST7 0x001c /* enable counter 7 */ 69 #define TESR_OST 0x8000 /* enable OST */ 70#define JZ_TC_TECR 0x10002018 /* TC enable clear reg. */ 71 72/* operating system timer */ 73#define JZ_OST_DATA 0x100020e0 /* compare */ 74#define JZ_OST_CNT_LO 0x100020e4 75#define JZ_OST_CNT_HI 0x100020e8 76#define JZ_OST_CTRL 0x100020ec 77 #define OSTC_PCK_EN 0x0001 /* use PCLK */ 78 #define OSTC_RTC_EN 0x0002 /* use RTCCLK */ 79 #define OSTC_EXT_EN 0x0004 /* use EXTCLK */ 80 #define OSTC_PRESCALE_M 0x0038 81 #define OSTC_DIV_1 0x0000 82 #define OSTC_DIV_4 0x0008 83 #define OSTC_DIV_16 0x0010 84 #define OSTC_DIV_64 0x0018 85 #define OSTC_DIV_256 0x0020 86 #define OSTC_DIV_1024 0x0028 87 #define OSTC_SHUTDOWN 0x0200 88 #define OSTC_MODE 0x8000 /* 0 - reset to 0 when = OST_DATA */ 89#define JZ_OST_CNT_U32 0x100020fc /* copy of CNT_HI when reading CNT_LO */ 90 91static inline void 92writereg(uint32_t reg, uint32_t val) 93{ 94 *(int32_t *)MIPS_PHYS_TO_KSEG1(reg) = val; 95 wbflush(); 96} 97 98static inline uint32_t 99readreg(uint32_t reg) 100{ 101 wbflush(); 102 return *(int32_t *)MIPS_PHYS_TO_KSEG1(reg); 103} 104 105#endif /* INGENIC_REGS_H */