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      1 /*	$NetBSD: exynos_reg.h,v 1.16 2024/06/02 13:28:45 andvar Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Reinoud Zandijk.
      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 _ARM_SAMSUNG_EXYNOS_REG_H_
     33 #define _ARM_SAMSUNG_EXYNOS_REG_H_
     34 
     35 /*
     36  *
     37  * The exynos can boot from its iROM or from an external Nand memory. Since
     38  * these are normally hardly used they are excluded from the normal register
     39  * space here.
     40  *
     41  * XXX What about the audio subsystem region. Where are the docs?
     42  *
     43  * EXYNOS_CORE_PBASE points to the main SFR region.
     44  *
     45  * Notes:
     46  *
     47  * SFR		Special Function Register
     48  * ISP		In-System Programming, like a JTAG
     49  * ACP		Accelerator Coherency Port
     50  * SSS		Security Sub System
     51  * GIC		Generic Interrupt Controller
     52  * PMU		Power Management Unit
     53  * DMC		2D Graphics engine
     54  * LEFTBUS	Data bus / Peripheral bus
     55  * RIGHTBUS	,,
     56  * G3D		3D Graphics engine
     57  * MFC		Multi-Format Codec
     58  * LCD0		LCD display
     59  * MCT		Multi Core Timer
     60  * CMU		Clock Management Unit
     61  * TMU		Thermal Management Unit
     62  * PPMU		Pin Parametric Measurement Unit (?)
     63  * MMU		Memory Management Unit
     64  * MCTimer	?
     65  * WDT		Watch Dog Timer
     66  * RTC		Real Time Clock
     67  * KEYIF	Keypad interface
     68  * SECKEY	?
     69  * TZPC		TrustZone Protection Controller
     70  * UART		Universal asynchronous receiver/transmitter
     71  * I2C		Inter IC Connect
     72  * SPI		Serial Peripheral Interface Bus
     73  * I2S		Inter-IC Sound, Integrated Interchip Sound, or IIS
     74  * PCM		Pulse-code modulation, audio stream at set fixed rate
     75  * SPDIF	Sony/Philips Digital Interface Format
     76  * Slimbus	Serial Low-power Inter-chip Media Bus
     77  * SMMU		System mmu. No idea as how its programmed (or not)
     78  * PERI-L	UART, I2C, SPI, I2S, PCM, SPDIF, PWM, I2CHDMI, Slimbus
     79  * PERI-R	CHIPID, SYSREG, PMU/CMU/TMU Bus I/F, MCTimer, WDT, RTC, KEYIF,
     80  * 		SECKEY, TZPC
     81  */
     82 
     83 /*
     84  * Common to Exynos4 and Exynos 5
     85  * */
     86 #define EXYNOS_CORE_PBASE		0x10000000	/* SFR */
     87 #define EXYNOS_CORE_SIZE		0x10000000
     88 
     89 
     90 #define EXYNOS_CHIPID_OFFSET		0x00000000
     91 #define  EXYNOS_PROD_ID_OFFSET		(EXYNOS_CHIPID_OFFSET + 0)
     92 #define  EXYNOS_PACKAGE_ID_OFFSET	(EXYNOS_CHIPID_OFFSET + 4)
     93 
     94 #define EXYNOS_PACKAGE_ID_2_GIG		0x06030058
     95 
     96 /* standard block size for offsets defined below */
     97 #define EXYNOS_BLOCK_SIZE		0x00010000
     98 
     99 
    100 #if defined(SOC_EXYNOS5)
    101 #include <arm/samsung/exynos5_reg.h>
    102 #endif
    103 #if defined(SOC_EXYNOS4)
    104 #include <arm/samsung/exynos4_reg.h>
    105 #endif
    106 
    107 
    108 /* standard frequency settings */
    109 #define EXYNOS_ACLK_REF_FREQ		(200*1000*1000)	/* 200 Mhz */
    110 #define EXYNOS_UART_FREQ		(109*1000*1000) /* should be EXYNOS_ACLK_REF_FREQ! */
    111 
    112 #define EXYNOS_F_IN_FREQ		(24*1000*1000)	/* 24 Mhz */
    113 #define EXYNOS_USB_FREQ			EXYNOS_F_IN_FREQ/* 24 Mhz */
    114 
    115 
    116 /* PLLs */
    117 #define PLL_LOCK_OFFSET			0x000
    118 #define PLL_CON0_OFFSET			0x100
    119 #define PLL_CON1_OFFSET			0x104
    120 
    121 #define PLL_CON0_ENABLE			__BIT(31)
    122 #define PLL_CON0_LOCKED			__BIT(29)	/* has the PLL locked on */
    123 #define PLL_CON0_M			__BITS(16,25)	/* PLL M divide value */
    124 #define PLL_CON0_P			__BITS( 8,13)	/* PLL P divide value */
    125 #define PLL_CON0_S			__BITS( 0, 2)	/* PLL S divide value */
    126 
    127 #define PLL_PMS2FREQ(F, M, P, S) \
    128 	((P) == 0 ? 0 : (((M)*(F))/((P)*(1<<(S)))))
    129 #define PLL_FREQ(f, v) PLL_PMS2FREQ( \
    130 	(f),\
    131 	__SHIFTOUT((v), PLL_CON0_M),\
    132 	__SHIFTOUT((v), PLL_CON0_P),\
    133 	__SHIFTOUT((v), PLL_CON0_S))
    134 
    135 
    136 /* Watchdog register definitions */
    137 #define EXYNOS_WDT_WTCON		0x0000
    138 #define  WTCON_PRESCALER		__BITS(15,8)
    139 #define  WTCON_ENABLE			__BIT(5)
    140 #define  WTCON_CLOCK_SELECT		__BITS(4,3)
    141 #define  WTCON_CLOCK_SELECT_16		__SHIFTIN(0, WTCON_CLOCK_SELECT)
    142 #define  WTCON_CLOCK_SELECT_32		__SHIFTIN(1, WTCON_CLOCK_SELECT)
    143 #define  WTCON_CLOCK_SELECT_64		__SHIFTIN(2, WTCON_CLOCK_SELECT)
    144 #define  WTCON_CLOCK_SELECT_128		__SHIFTIN(3, WTCON_CLOCK_SELECT)
    145 #define  WTCON_INT_ENABLE		__BIT(2)
    146 #define  WTCON_RESET_ENABLE		__BIT(0)
    147 #define EXYNOS_WDT_WTDAT		0x0004
    148 #define  WTDAT_RELOAD			__BITS(15,0)
    149 #define EXYNOS_WDT_WTCNT		0x0008
    150 #define  WTCNT_COUNT			__BITS(15,0)
    151 #define EXYNOS_WDT_WTCLRINT		0x000C
    152 
    153 
    154 /* GPIO register definitions */
    155 #define EXYNOS_GPIO_GRP_SIZE		0x20
    156 #define EXYNOS_GPIO_CON			0x00
    157 #define EXYNOS_GPIO_DAT			0x04
    158 #define EXYNOS_GPIO_PUD			0x08
    159 #define EXYNOS_GPIO_DRV			0x0C
    160 #define EXYNOS_GPIO_CONPWD		0x10
    161 #define EXYNOS_GPIO_PUDPWD		0x14
    162 /* rest of space is not used */
    163 
    164 #define EXYNOS_GPIO_FUNC_INPUT		0x0
    165 #define EXYNOS_GPIO_FUNC_OUTPUT		0x1
    166 /* intermediate values are devices, definitions dependent on pin */
    167 #define EXYNOS_GPIO_FUNC_EXTINT		0xF
    168 
    169 #define EXYNOS_GPIO_PIN_FLOAT		0
    170 #define EXYNOS_GPIO_PIN_PULL_DOWN	1
    171 #define EXYNOS_GPIO_PIN_PULL_UP		3
    172 
    173 
    174 /* used PMU registers */
    175 /* Exynos 4210 or Exynos 5 */
    176 #define EXYNOS_PMU_USBDEV_PHY_CTRL	0x704
    177 #define EXYNOS_PMU_USBHOST_PHY_CTRL	0x708
    178 /* Exynos 4x12 */
    179 #define EXYNOS_PMU_USB_PHY_CTRL		0x704
    180 #define EXYNOS_PMU_USB_HSIC_1_PHY_CTRL	0x708
    181 #define EXYNOS_PMU_USB_HSIC_2_PHY_CTRL	0x70C
    182 
    183 #define   PMU_PHY_ENABLE		(1 << 0)
    184 #define   PMU_PHY_DISABLE		(0)
    185 
    186 #define EXYNOS_PMU_DEBUG_CLKOUT		0x0A00
    187 
    188 /* used SYSREG registers */
    189 #define EXYNOS5_SYSREG_USB20_PHY_TYPE	0x230
    190 #define   USB20_PHY_HOST_LINK_EN	(1 << 0)
    191 
    192 
    193 /* Generic USB registers/constants */
    194 #define FSEL_CLKSEL_50M			7
    195 #define FSEL_CLKSEL_24M			5
    196 #define FSEL_CLKSEL_20M			4
    197 #define FSEL_CLKSEL_19200K		3
    198 #define FSEL_CLKSEL_12M			2
    199 #define FSEL_CLKSEL_10M			1
    200 #define FSEL_CLKSEL_9600K		0
    201 
    202 #endif /* _ARM_SAMSUNG_EXYNOS_REG_H_ */
    203