xref: /src/sys/arch/arm/samsung/exynos_reg.h

/* $NetBSD */
/*-
 * Copyright (c) 2014 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Reinoud Zandijk.
 *
 * 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 _ARM_SAMSUNG_EXYNOS_REG_H_
#define _ARM_SAMSUNG_EXYNOS_REG_H_

/*
 *
 * The exynos can boot from its iROM or from an external Nand memory. Since
 * these are normally hardly used they are excluded from the normal register
 * space here.
 *
 * XXX What about the audio subsystem region. Where are the docs?
 *
 * EXYNOS_CORE_PBASE points to the main SFR region.
 *
 * Notes:
 *
 * SFR		Special Function Register
 * ISP		In-System Programming, like a JTAG
 * ACP		Accelerator Coherency Port
 * SSS		Security Sub System
 * GIC		Generic Interurrupt Controller
 * PMU		Power Management Unit
 * DMC		2D Graphics engine
 * LEFTBUS	Data bus / Peripheral bus
 * RIGHTBUS	,,
 * G3D		3D Graphics engine
 * MFC		Multi-Format Codec
 * LCD0		LCD display
 * MCT		Multi Core Timer
 * CMU		Clock Management Unit
 * TMU		Thermal Management Unit
 * PPMU		Pin Parametric Measurement Unit (?)
 * MMU		Memory Management Unit
 * MCTimer	?
 * WDT		Watch Dog Timer
 * RTC		Real Time Clock
 * KEYIF	Keypad interface
 * SECKEY	?
 * TZPC		TrustZone Protection Controller
 * UART		Universal asynchronous receiver/transmitter
 * I2C		Inter IC Connect
 * SPI		Serial Peripheral Interface Bus
 * I2S		Inter-IC Sound, Integrated Interchip Sound, or IIS
 * PCM		Pulse-code modulation, audio stream at set fixed rate
 * SPDIF	Sony/Philips Digital Interface Format
 * Slimbus	Serial Low-power Inter-chip Media Bus
 * SMMU		System mmu. No idea as how its programmed (or not)
 * PERI-L	UART, I2C, SPI, I2S, PCM, SPDIF, PWM, I2CHDMI, Slimbus
 * PERI-R	CHIPID, SYSREG, PMU/CMU/TMU Bus I/F, MCTimer, WDT, RTC, KEYIF,
 * 		SECKEY, TZPC
 */

/*
 * Common to Exynos4 and Exynos 5
 * */
#define EXYNOS_CORE_PBASE		0x10000000	/* SFR */
#define EXYNOS_CORE_SIZE		0x10000000


#define EXYNOS_CHIPID_OFFSET		0x00000000
#define  EXYNOS_PROD_ID_OFFSET		(EXYNOS_CHIPID_OFFSET + 0)
#define  EXYNOS_PACKAGE_ID_OFFSET	(EXYNOS_CHIPID_OFFSET + 4)

#define EXYNOS_PACKAGE_ID_2_GIG		0x06030058

/* standard block size for offsets defined below */
#define EXYNOS_BLOCK_SIZE		0x00010000


#if defined(EXYNOS5)
#include <arm/samsung/exynos5_reg.h>
#endif
#if defined(EXYNOS4)
#include <arm/samsung/exynos4_reg.h>
#endif


/* standard frequency settings */
#define EXYNOS_ACLK_REF_FREQ		(200*1000*1000)	/* 200 Mhz */
#define EXYNOS_UART_FREQ		(109*1000*1000) /* should be EXYNOS_ACLK_REF_FREQ! */


/* Watchdog register definitions */
#define EXYNOS_WDT_WTCON		0x0000
#define  WTCON_PRESCALER		__BITS(15,8)
#define  WTCON_ENABLE			__BIT(5)
#define  WTCON_CLOCK_SELECT		__BITS(4,3)
#define  WTCON_CLOCK_SELECT_16		__SHIFTIN(0, WTCON_CLOCK_SELECT)
#define  WTCON_CLOCK_SELECT_32		__SHIFTIN(1, WTCON_CLOCK_SELECT)
#define  WTCON_CLOCK_SELECT_64		__SHIFTIN(2, WTCON_CLOCK_SELECT)
#define  WTCON_CLOCK_SELECT_128		__SHIFTIN(3, WTCON_CLOCK_SELECT)
#define  WTCON_INT_ENABLE		__BIT(2)
#define  WTCON_RESET_ENABLE		__BIT(0)
#define EXYNOS_WDT_WTDAT		0x0004
#define  WTDAT_RELOAD			__BITS(15,0)
#define EXYNOS_WDT_WTCNT		0x0008
#define  WTCNT_COUNT			__BITS(15,0)
#define EXYNOS_WDT_WTCLRINT		0x000C


#endif /* _ARM_SAMSUNG_EXYNOS_REG_H_ */