cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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omap4xxx-bandgap.h (4431B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * OMAP4xxx bandgap registers, bitfields and temperature definitions
      4 *
      5 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
      6 * Contact:
      7 *   Eduardo Valentin <eduardo.valentin@ti.com>
      8 */
      9#ifndef __OMAP4XXX_BANDGAP_H
     10#define __OMAP4XXX_BANDGAP_H
     11
     12/**
     13 * *** OMAP4430 ***
     14 *
     15 * Below, in sequence, are the Register definitions,
     16 * the bitfields and the temperature definitions for OMAP4430.
     17 */
     18
     19/**
     20 * OMAP4430 register definitions
     21 *
     22 * Registers are defined as offsets. The offsets are
     23 * relative to FUSE_OPP_BGAP on 4430.
     24 */
     25
     26/* OMAP4430.FUSE_OPP_BGAP */
     27#define OMAP4430_FUSE_OPP_BGAP				0x0
     28
     29/* OMAP4430.TEMP_SENSOR  */
     30#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET		0xCC
     31
     32/**
     33 * Register and bit definitions for OMAP4430
     34 *
     35 * All the macros bellow define the required bits for
     36 * controlling temperature on OMAP4430. Bit defines are
     37 * grouped by register.
     38 */
     39
     40/* OMAP4430.TEMP_SENSOR bits */
     41#define OMAP4430_BGAP_TEMPSOFF_MASK			BIT(12)
     42#define OMAP4430_BGAP_TSHUT_MASK			BIT(11)
     43#define OMAP4430_CONTINUOUS_MODE_MASK			BIT(10)
     44#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK		BIT(9)
     45#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK		BIT(8)
     46#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK		(0xff << 0)
     47
     48/**
     49 * Temperature limits and thresholds for OMAP4430
     50 *
     51 * All the macros bellow are definitions for handling the
     52 * ADC conversions and representation of temperature limits
     53 * and thresholds for OMAP4430.
     54 */
     55
     56/*
     57 * ADC conversion table limits. Ignore values outside the TRM listed
     58 * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter
     59 * "18.4.10.2.3 ADC Codes Versus Temperature".
     60 */
     61#define OMAP4430_ADC_START_VALUE			13
     62#define OMAP4430_ADC_END_VALUE				107
     63/* bandgap clock limits (no control on 4430) */
     64#define OMAP4430_MAX_FREQ				32768
     65#define OMAP4430_MIN_FREQ				32768
     66
     67/**
     68 * *** OMAP4460 *** Applicable for OMAP4470
     69 *
     70 * Below, in sequence, are the Register definitions,
     71 * the bitfields and the temperature definitions for OMAP4460.
     72 */
     73
     74/**
     75 * OMAP4460 register definitions
     76 *
     77 * Registers are defined as offsets. The offsets are
     78 * relative to FUSE_OPP_BGAP on 4460.
     79 */
     80
     81/* OMAP4460.FUSE_OPP_BGAP */
     82#define OMAP4460_FUSE_OPP_BGAP				0x0
     83
     84/* OMAP4460.TEMP_SENSOR */
     85#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET		0xCC
     86
     87/* OMAP4460.BANDGAP_CTRL */
     88#define OMAP4460_BGAP_CTRL_OFFSET			0x118
     89
     90/* OMAP4460.BANDGAP_COUNTER */
     91#define OMAP4460_BGAP_COUNTER_OFFSET			0x11C
     92
     93/* OMAP4460.BANDGAP_THRESHOLD */
     94#define OMAP4460_BGAP_THRESHOLD_OFFSET			0x120
     95
     96/* OMAP4460.TSHUT_THRESHOLD */
     97#define OMAP4460_BGAP_TSHUT_OFFSET			0x124
     98
     99/* OMAP4460.BANDGAP_STATUS */
    100#define OMAP4460_BGAP_STATUS_OFFSET			0x128
    101
    102/**
    103 * Register bitfields for OMAP4460
    104 *
    105 * All the macros bellow define the required bits for
    106 * controlling temperature on OMAP4460. Bit defines are
    107 * grouped by register.
    108 */
    109/* OMAP4460.TEMP_SENSOR bits */
    110#define OMAP4460_BGAP_TEMPSOFF_MASK			BIT(13)
    111#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK		BIT(11)
    112#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK		BIT(10)
    113#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK		(0x3ff << 0)
    114
    115/* OMAP4460.BANDGAP_CTRL bits */
    116#define OMAP4460_CONTINUOUS_MODE_MASK			BIT(31)
    117#define OMAP4460_MASK_HOT_MASK				BIT(1)
    118#define OMAP4460_MASK_COLD_MASK				BIT(0)
    119
    120/* OMAP4460.BANDGAP_COUNTER bits */
    121#define OMAP4460_COUNTER_MASK				(0xffffff << 0)
    122
    123/* OMAP4460.BANDGAP_THRESHOLD bits */
    124#define OMAP4460_T_HOT_MASK				(0x3ff << 16)
    125#define OMAP4460_T_COLD_MASK				(0x3ff << 0)
    126
    127/* OMAP4460.TSHUT_THRESHOLD bits */
    128#define OMAP4460_TSHUT_HOT_MASK				(0x3ff << 16)
    129#define OMAP4460_TSHUT_COLD_MASK			(0x3ff << 0)
    130
    131/* OMAP4460.BANDGAP_STATUS bits */
    132#define OMAP4460_HOT_FLAG_MASK				BIT(1)
    133#define OMAP4460_COLD_FLAG_MASK				BIT(0)
    134
    135/**
    136 * Temperature limits and thresholds for OMAP4460
    137 *
    138 * All the macros bellow are definitions for handling the
    139 * ADC conversions and representation of temperature limits
    140 * and thresholds for OMAP4460.
    141 */
    142
    143/* ADC conversion table limits */
    144#define OMAP4460_ADC_START_VALUE			530
    145#define OMAP4460_ADC_END_VALUE				932
    146/* bandgap clock limits */
    147#define OMAP4460_MAX_FREQ				1500000
    148#define OMAP4460_MIN_FREQ				1000000
    149/* interrupts thresholds */
    150#define OMAP4460_TSHUT_HOT				900	/* 122 deg C */
    151#define OMAP4460_TSHUT_COLD				895	/* 100 deg C */
    152#define OMAP4460_T_HOT					800	/* 73 deg C */
    153#define OMAP4460_T_COLD					795	/* 71 deg C */
    154
    155#endif /* __OMAP4XXX_BANDGAP_H */