176 lines
5.1 KiB
C
176 lines
5.1 KiB
C
|
/*
|
||
|
|
* OMAP4xxx bandgap registers, bitfields and temperature definitions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
|
||
|
|
* Contact:
|
||
|
|
* Eduardo Valentin <eduardo.valentin@ti.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* version 2 as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful, but
|
||
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
||
|
|
* 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#ifndef __OMAP4XXX_BANDGAP_H
|
||
|
|
#define __OMAP4XXX_BANDGAP_H
|
||
|
|
|
||
|
|
/**
|
||
|
|
* *** OMAP4430 ***
|
||
|
|
*
|
||
|
|
* Below, in sequence, are the Register definitions,
|
||
|
|
* the bitfields and the temperature definitions for OMAP4430.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* OMAP4430 register definitions
|
||
|
|
*
|
||
|
|
* Registers are defined as offsets. The offsets are
|
||
|
|
* relative to FUSE_OPP_BGAP on 4430.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* OMAP4430.FUSE_OPP_BGAP */
|
||
|
|
#define OMAP4430_FUSE_OPP_BGAP 0x0
|
||
|
|
|
||
|
|
/* OMAP4430.TEMP_SENSOR */
|
||
|
|
#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register and bit definitions for OMAP4430
|
||
|
|
*
|
||
|
|
* All the macros bellow define the required bits for
|
||
|
|
* controlling temperature on OMAP4430. Bit defines are
|
||
|
|
* grouped by register.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* OMAP4430.TEMP_SENSOR bits */
|
||
|
|
#define OMAP4430_BGAP_TEMPSOFF_MASK BIT(12)
|
||
|
|
#define OMAP4430_BGAP_TSHUT_MASK BIT(11)
|
||
|
|
#define OMAP4430_SINGLE_MODE_MASK BIT(10)
|
||
|
|
#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK BIT(9)
|
||
|
|
#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(8)
|
||
|
|
#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Temperature limits and thresholds for OMAP4430
|
||
|
|
*
|
||
|
|
* All the macros bellow are definitions for handling the
|
||
|
|
* ADC conversions and representation of temperature limits
|
||
|
|
* and thresholds for OMAP4430.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* ADC conversion table limits */
|
||
|
|
#define OMAP4430_ADC_START_VALUE 0
|
||
|
|
#define OMAP4430_ADC_END_VALUE 127
|
||
|
|
/* bandgap clock limits (no control on 4430) */
|
||
|
|
#define OMAP4430_MAX_FREQ 32768
|
||
|
|
#define OMAP4430_MIN_FREQ 32768
|
||
|
|
/* sensor limits */
|
||
|
|
#define OMAP4430_MIN_TEMP -40000
|
||
|
|
#define OMAP4430_MAX_TEMP 125000
|
||
|
|
#define OMAP4430_HYST_VAL 5000
|
||
|
|
|
||
|
|
/**
|
||
|
|
* *** OMAP4460 *** Applicable for OMAP4470
|
||
|
|
*
|
||
|
|
* Below, in sequence, are the Register definitions,
|
||
|
|
* the bitfields and the temperature definitions for OMAP4460.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* OMAP4460 register definitions
|
||
|
|
*
|
||
|
|
* Registers are defined as offsets. The offsets are
|
||
|
|
* relative to FUSE_OPP_BGAP on 4460.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* OMAP4460.FUSE_OPP_BGAP */
|
||
|
|
#define OMAP4460_FUSE_OPP_BGAP 0x0
|
||
|
|
|
||
|
|
/* OMAP4460.TEMP_SENSOR */
|
||
|
|
#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_CTRL */
|
||
|
|
#define OMAP4460_BGAP_CTRL_OFFSET 0x118
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_COUNTER */
|
||
|
|
#define OMAP4460_BGAP_COUNTER_OFFSET 0x11C
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_THRESHOLD */
|
||
|
|
#define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120
|
||
|
|
|
||
|
|
/* OMAP4460.TSHUT_THRESHOLD */
|
||
|
|
#define OMAP4460_BGAP_TSHUT_OFFSET 0x124
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_STATUS */
|
||
|
|
#define OMAP4460_BGAP_STATUS_OFFSET 0x128
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register bitfields for OMAP4460
|
||
|
|
*
|
||
|
|
* All the macros bellow define the required bits for
|
||
|
|
* controlling temperature on OMAP4460. Bit defines are
|
||
|
|
* grouped by register.
|
||
|
|
*/
|
||
|
|
/* OMAP4460.TEMP_SENSOR bits */
|
||
|
|
#define OMAP4460_BGAP_TEMPSOFF_MASK BIT(13)
|
||
|
|
#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK BIT(11)
|
||
|
|
#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10)
|
||
|
|
#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0)
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_CTRL bits */
|
||
|
|
#define OMAP4460_SINGLE_MODE_MASK BIT(31)
|
||
|
|
#define OMAP4460_MASK_HOT_MASK BIT(1)
|
||
|
|
#define OMAP4460_MASK_COLD_MASK BIT(0)
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_COUNTER bits */
|
||
|
|
#define OMAP4460_COUNTER_MASK (0xffffff << 0)
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_THRESHOLD bits */
|
||
|
|
#define OMAP4460_T_HOT_MASK (0x3ff << 16)
|
||
|
|
#define OMAP4460_T_COLD_MASK (0x3ff << 0)
|
||
|
|
|
||
|
|
/* OMAP4460.TSHUT_THRESHOLD bits */
|
||
|
|
#define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16)
|
||
|
|
#define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0)
|
||
|
|
|
||
|
|
/* OMAP4460.BANDGAP_STATUS bits */
|
||
|
|
#define OMAP4460_CLEAN_STOP_MASK BIT(3)
|
||
|
|
#define OMAP4460_BGAP_ALERT_MASK BIT(2)
|
||
|
|
#define OMAP4460_HOT_FLAG_MASK BIT(1)
|
||
|
|
#define OMAP4460_COLD_FLAG_MASK BIT(0)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Temperature limits and thresholds for OMAP4460
|
||
|
|
*
|
||
|
|
* All the macros bellow are definitions for handling the
|
||
|
|
* ADC conversions and representation of temperature limits
|
||
|
|
* and thresholds for OMAP4460.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* ADC conversion table limits */
|
||
|
|
#define OMAP4460_ADC_START_VALUE 530
|
||
|
|
#define OMAP4460_ADC_END_VALUE 932
|
||
|
|
/* bandgap clock limits */
|
||
|
|
#define OMAP4460_MAX_FREQ 1500000
|
||
|
|
#define OMAP4460_MIN_FREQ 1000000
|
||
|
|
/* sensor limits */
|
||
|
|
#define OMAP4460_MIN_TEMP -40000
|
||
|
|
#define OMAP4460_MAX_TEMP 123000
|
||
|
|
#define OMAP4460_HYST_VAL 5000
|
||
|
|
/* interrupts thresholds */
|
||
|
|
#define OMAP4460_TSHUT_HOT 900 /* 122 deg C */
|
||
|
|
#define OMAP4460_TSHUT_COLD 895 /* 100 deg C */
|
||
|
|
#define OMAP4460_T_HOT 800 /* 73 deg C */
|
||
|
|
#define OMAP4460_T_COLD 795 /* 71 deg C */
|
||
|
|
|
||
|
|
#endif /* __OMAP4XXX_BANDGAP_H */
|