xref: /linux/drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * OMAP5xxx bandgap registers, bitfields and temperature definitions
3  *
4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5  * Contact:
6  *   Eduardo Valentin <eduardo.valentin@ti.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA
21  *
22  */
23 #ifndef __OMAP5XXX_BANDGAP_H
24 #define __OMAP5XXX_BANDGAP_H
25 
26 /**
27  * *** OMAP5430 ***
28  *
29  * Below, in sequence, are the Register definitions,
30  * the bitfields and the temperature definitions for OMAP5430.
31  */
32 
33 /**
34  * OMAP5430 register definitions
35  *
36  * Registers are defined as offsets. The offsets are
37  * relative to FUSE_OPP_BGAP_GPU on 5430.
38  *
39  * Register below are grouped by domain (not necessarily in offset order)
40  */
41 
42 /* OMAP5430.GPU register offsets */
43 #define OMAP5430_FUSE_OPP_BGAP_GPU			0x0
44 #define OMAP5430_TEMP_SENSOR_GPU_OFFSET			0x150
45 #define OMAP5430_BGAP_THRESHOLD_GPU_OFFSET		0x1A8
46 #define OMAP5430_BGAP_TSHUT_GPU_OFFSET			0x1B4
47 #define OMAP5430_BGAP_CUMUL_DTEMP_GPU_OFFSET		0x1C0
48 #define OMAP5430_BGAP_DTEMP_GPU_0_OFFSET		0x1F4
49 #define OMAP5430_BGAP_DTEMP_GPU_1_OFFSET		0x1F8
50 #define OMAP5430_BGAP_DTEMP_GPU_2_OFFSET		0x1FC
51 #define OMAP5430_BGAP_DTEMP_GPU_3_OFFSET		0x200
52 #define OMAP5430_BGAP_DTEMP_GPU_4_OFFSET		0x204
53 
54 /* OMAP5430.MPU register offsets */
55 #define OMAP5430_FUSE_OPP_BGAP_MPU			0x4
56 #define OMAP5430_TEMP_SENSOR_MPU_OFFSET			0x14C
57 #define OMAP5430_BGAP_THRESHOLD_MPU_OFFSET		0x1A4
58 #define OMAP5430_BGAP_TSHUT_MPU_OFFSET			0x1B0
59 #define OMAP5430_BGAP_CUMUL_DTEMP_MPU_OFFSET		0x1BC
60 #define OMAP5430_BGAP_DTEMP_MPU_0_OFFSET		0x1E0
61 #define OMAP5430_BGAP_DTEMP_MPU_1_OFFSET		0x1E4
62 #define OMAP5430_BGAP_DTEMP_MPU_2_OFFSET		0x1E8
63 #define OMAP5430_BGAP_DTEMP_MPU_3_OFFSET		0x1EC
64 #define OMAP5430_BGAP_DTEMP_MPU_4_OFFSET		0x1F0
65 
66 /* OMAP5430.MPU register offsets */
67 #define OMAP5430_FUSE_OPP_BGAP_CORE			0x8
68 #define OMAP5430_TEMP_SENSOR_CORE_OFFSET		0x154
69 #define OMAP5430_BGAP_THRESHOLD_CORE_OFFSET		0x1AC
70 #define OMAP5430_BGAP_TSHUT_CORE_OFFSET			0x1B8
71 #define OMAP5430_BGAP_CUMUL_DTEMP_CORE_OFFSET		0x1C4
72 #define OMAP5430_BGAP_DTEMP_CORE_0_OFFSET		0x208
73 #define OMAP5430_BGAP_DTEMP_CORE_1_OFFSET		0x20C
74 #define OMAP5430_BGAP_DTEMP_CORE_2_OFFSET		0x210
75 #define OMAP5430_BGAP_DTEMP_CORE_3_OFFSET		0x214
76 #define OMAP5430_BGAP_DTEMP_CORE_4_OFFSET		0x218
77 
78 /* OMAP5430.common register offsets */
79 #define OMAP5430_BGAP_CTRL_OFFSET			0x1A0
80 #define OMAP5430_BGAP_STATUS_OFFSET			0x1C8
81 
82 /**
83  * Register bitfields for OMAP5430
84  *
85  * All the macros bellow define the required bits for
86  * controlling temperature on OMAP5430. Bit defines are
87  * grouped by register.
88  */
89 
90 /* OMAP5430.TEMP_SENSOR */
91 #define OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK		BIT(12)
92 #define OMAP5430_BGAP_TEMPSOFF_MASK			BIT(11)
93 #define OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK		BIT(10)
94 #define OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK		(0x3ff << 0)
95 
96 /* OMAP5430.BANDGAP_CTRL */
97 #define OMAP5430_MASK_SIDLEMODE_MASK			(0x3 << 30)
98 #define OMAP5430_MASK_COUNTER_DELAY_MASK		(0x7 << 27)
99 #define OMAP5430_MASK_FREEZE_CORE_MASK			BIT(23)
100 #define OMAP5430_MASK_FREEZE_GPU_MASK			BIT(22)
101 #define OMAP5430_MASK_FREEZE_MPU_MASK			BIT(21)
102 #define OMAP5430_MASK_CLEAR_CORE_MASK			BIT(20)
103 #define OMAP5430_MASK_CLEAR_GPU_MASK			BIT(19)
104 #define OMAP5430_MASK_CLEAR_MPU_MASK			BIT(18)
105 #define OMAP5430_MASK_CLEAR_ACCUM_CORE_MASK		BIT(17)
106 #define OMAP5430_MASK_CLEAR_ACCUM_GPU_MASK		BIT(16)
107 #define OMAP5430_MASK_CLEAR_ACCUM_MPU_MASK		BIT(15)
108 #define OMAP5430_MASK_HOT_CORE_MASK			BIT(5)
109 #define OMAP5430_MASK_COLD_CORE_MASK			BIT(4)
110 #define OMAP5430_MASK_HOT_GPU_MASK			BIT(3)
111 #define OMAP5430_MASK_COLD_GPU_MASK			BIT(2)
112 #define OMAP5430_MASK_HOT_MPU_MASK			BIT(1)
113 #define OMAP5430_MASK_COLD_MPU_MASK			BIT(0)
114 
115 /* OMAP5430.BANDGAP_COUNTER */
116 #define OMAP5430_COUNTER_MASK				(0xffffff << 0)
117 
118 /* OMAP5430.BANDGAP_THRESHOLD */
119 #define OMAP5430_T_HOT_MASK				(0x3ff << 16)
120 #define OMAP5430_T_COLD_MASK				(0x3ff << 0)
121 
122 /* OMAP5430.TSHUT_THRESHOLD */
123 #define OMAP5430_TSHUT_HOT_MASK				(0x3ff << 16)
124 #define OMAP5430_TSHUT_COLD_MASK			(0x3ff << 0)
125 
126 /* OMAP5430.BANDGAP_CUMUL_DTEMP_MPU */
127 #define OMAP5430_CUMUL_DTEMP_MPU_MASK			(0xffffffff << 0)
128 
129 /* OMAP5430.BANDGAP_CUMUL_DTEMP_GPU */
130 #define OMAP5430_CUMUL_DTEMP_GPU_MASK			(0xffffffff << 0)
131 
132 /* OMAP5430.BANDGAP_CUMUL_DTEMP_CORE */
133 #define OMAP5430_CUMUL_DTEMP_CORE_MASK			(0xffffffff << 0)
134 
135 /* OMAP5430.BANDGAP_STATUS */
136 #define OMAP5430_BGAP_ALERT_MASK			BIT(31)
137 #define OMAP5430_HOT_CORE_FLAG_MASK			BIT(5)
138 #define OMAP5430_COLD_CORE_FLAG_MASK			BIT(4)
139 #define OMAP5430_HOT_GPU_FLAG_MASK			BIT(3)
140 #define OMAP5430_COLD_GPU_FLAG_MASK			BIT(2)
141 #define OMAP5430_HOT_MPU_FLAG_MASK			BIT(1)
142 #define OMAP5430_COLD_MPU_FLAG_MASK			BIT(0)
143 
144 /**
145  * Temperature limits and thresholds for OMAP5430
146  *
147  * All the macros bellow are definitions for handling the
148  * ADC conversions and representation of temperature limits
149  * and thresholds for OMAP5430. Definitions are grouped
150  * by temperature domain.
151  */
152 
153 /* OMAP5430.common temperature definitions */
154 /* ADC conversion table limits */
155 #define OMAP5430_ADC_START_VALUE			540
156 #define OMAP5430_ADC_END_VALUE				945
157 
158 /* OMAP5430.GPU temperature definitions */
159 /* bandgap clock limits */
160 #define OMAP5430_GPU_MAX_FREQ				1500000
161 #define OMAP5430_GPU_MIN_FREQ				1000000
162 /* sensor limits */
163 #define OMAP5430_GPU_MIN_TEMP				-40000
164 #define OMAP5430_GPU_MAX_TEMP				125000
165 #define OMAP5430_GPU_HYST_VAL				5000
166 /* interrupts thresholds */
167 #define OMAP5430_GPU_TSHUT_HOT				915
168 #define OMAP5430_GPU_TSHUT_COLD				900
169 #define OMAP5430_GPU_T_HOT				800
170 #define OMAP5430_GPU_T_COLD				795
171 
172 /* OMAP5430.MPU temperature definitions */
173 /* bandgap clock limits */
174 #define OMAP5430_MPU_MAX_FREQ				1500000
175 #define OMAP5430_MPU_MIN_FREQ				1000000
176 /* sensor limits */
177 #define OMAP5430_MPU_MIN_TEMP				-40000
178 #define OMAP5430_MPU_MAX_TEMP				125000
179 #define OMAP5430_MPU_HYST_VAL				5000
180 /* interrupts thresholds */
181 #define OMAP5430_MPU_TSHUT_HOT				915
182 #define OMAP5430_MPU_TSHUT_COLD				900
183 #define OMAP5430_MPU_T_HOT				800
184 #define OMAP5430_MPU_T_COLD				795
185 
186 /* OMAP5430.CORE temperature definitions */
187 /* bandgap clock limits */
188 #define OMAP5430_CORE_MAX_FREQ				1500000
189 #define OMAP5430_CORE_MIN_FREQ				1000000
190 /* sensor limits */
191 #define OMAP5430_CORE_MIN_TEMP				-40000
192 #define OMAP5430_CORE_MAX_TEMP				125000
193 #define OMAP5430_CORE_HYST_VAL				5000
194 /* interrupts thresholds */
195 #define OMAP5430_CORE_TSHUT_HOT				915
196 #define OMAP5430_CORE_TSHUT_COLD			900
197 #define OMAP5430_CORE_T_HOT				800
198 #define OMAP5430_CORE_T_COLD				795
199 
200 #endif /* __OMAP5XXX_BANDGAP_H */
201