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1 | /* |
2 | * OMAP4xxx 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 __OMAP4XXX_BANDGAP_H | |
24 | #define __OMAP4XXX_BANDGAP_H | |
25 | ||
26 | /** | |
27 | * *** OMAP4430 *** | |
28 | * | |
29 | * Below, in sequence, are the Register definitions, | |
30 | * the bitfields and the temperature definitions for OMAP4430. | |
31 | */ | |
32 | ||
33 | /** | |
34 | * OMAP4430 register definitions | |
35 | * | |
36 | * Registers are defined as offsets. The offsets are | |
37 | * relative to FUSE_OPP_BGAP on 4430. | |
38 | */ | |
39 | ||
40 | /* OMAP4430.FUSE_OPP_BGAP */ | |
41 | #define OMAP4430_FUSE_OPP_BGAP 0x0 | |
42 | ||
43 | /* OMAP4430.TEMP_SENSOR */ | |
44 | #define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC | |
45 | ||
46 | /** | |
47 | * Register and bit definitions for OMAP4430 | |
48 | * | |
49 | * All the macros bellow define the required bits for | |
50 | * controlling temperature on OMAP4430. Bit defines are | |
51 | * grouped by register. | |
52 | */ | |
53 | ||
54 | /* OMAP4430.TEMP_SENSOR bits */ | |
55 | #define OMAP4430_BGAP_TEMPSOFF_MASK BIT(12) | |
56 | #define OMAP4430_BGAP_TSHUT_MASK BIT(11) | |
57 | #define OMAP4430_SINGLE_MODE_MASK BIT(10) | |
58 | #define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK BIT(9) | |
59 | #define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(8) | |
60 | #define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0) | |
61 | ||
62 | /** | |
63 | * Temperature limits and thresholds for OMAP4430 | |
64 | * | |
65 | * All the macros bellow are definitions for handling the | |
66 | * ADC conversions and representation of temperature limits | |
67 | * and thresholds for OMAP4430. | |
68 | */ | |
69 | ||
70 | /* ADC conversion table limits */ | |
71 | #define OMAP4430_ADC_START_VALUE 0 | |
72 | #define OMAP4430_ADC_END_VALUE 127 | |
73 | /* bandgap clock limits (no control on 4430) */ | |
74 | #define OMAP4430_MAX_FREQ 32768 | |
75 | #define OMAP4430_MIN_FREQ 32768 | |
76 | /* sensor limits */ | |
77 | #define OMAP4430_MIN_TEMP -40000 | |
78 | #define OMAP4430_MAX_TEMP 125000 | |
79 | #define OMAP4430_HYST_VAL 5000 | |
80 | ||
81 | /** | |
82 | * *** OMAP4460 *** Applicable for OMAP4470 | |
83 | * | |
84 | * Below, in sequence, are the Register definitions, | |
85 | * the bitfields and the temperature definitions for OMAP4460. | |
86 | */ | |
87 | ||
88 | /** | |
89 | * OMAP4460 register definitions | |
90 | * | |
91 | * Registers are defined as offsets. The offsets are | |
92 | * relative to FUSE_OPP_BGAP on 4460. | |
93 | */ | |
94 | ||
95 | /* OMAP4460.FUSE_OPP_BGAP */ | |
96 | #define OMAP4460_FUSE_OPP_BGAP 0x0 | |
97 | ||
98 | /* OMAP4460.TEMP_SENSOR */ | |
99 | #define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC | |
100 | ||
101 | /* OMAP4460.BANDGAP_CTRL */ | |
102 | #define OMAP4460_BGAP_CTRL_OFFSET 0x118 | |
103 | ||
104 | /* OMAP4460.BANDGAP_COUNTER */ | |
105 | #define OMAP4460_BGAP_COUNTER_OFFSET 0x11C | |
106 | ||
107 | /* OMAP4460.BANDGAP_THRESHOLD */ | |
108 | #define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120 | |
109 | ||
110 | /* OMAP4460.TSHUT_THRESHOLD */ | |
111 | #define OMAP4460_BGAP_TSHUT_OFFSET 0x124 | |
112 | ||
113 | /* OMAP4460.BANDGAP_STATUS */ | |
114 | #define OMAP4460_BGAP_STATUS_OFFSET 0x128 | |
115 | ||
116 | /** | |
117 | * Register bitfields for OMAP4460 | |
118 | * | |
119 | * All the macros bellow define the required bits for | |
120 | * controlling temperature on OMAP4460. Bit defines are | |
121 | * grouped by register. | |
122 | */ | |
123 | /* OMAP4460.TEMP_SENSOR bits */ | |
124 | #define OMAP4460_BGAP_TEMPSOFF_MASK BIT(13) | |
125 | #define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK BIT(11) | |
126 | #define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10) | |
127 | #define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) | |
128 | ||
129 | /* OMAP4460.BANDGAP_CTRL bits */ | |
130 | #define OMAP4460_SINGLE_MODE_MASK BIT(31) | |
131 | #define OMAP4460_MASK_HOT_MASK BIT(1) | |
132 | #define OMAP4460_MASK_COLD_MASK BIT(0) | |
133 | ||
134 | /* OMAP4460.BANDGAP_COUNTER bits */ | |
135 | #define OMAP4460_COUNTER_MASK (0xffffff << 0) | |
136 | ||
137 | /* OMAP4460.BANDGAP_THRESHOLD bits */ | |
138 | #define OMAP4460_T_HOT_MASK (0x3ff << 16) | |
139 | #define OMAP4460_T_COLD_MASK (0x3ff << 0) | |
140 | ||
141 | /* OMAP4460.TSHUT_THRESHOLD bits */ | |
142 | #define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16) | |
143 | #define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0) | |
144 | ||
145 | /* OMAP4460.BANDGAP_STATUS bits */ | |
146 | #define OMAP4460_CLEAN_STOP_MASK BIT(3) | |
147 | #define OMAP4460_BGAP_ALERT_MASK BIT(2) | |
148 | #define OMAP4460_HOT_FLAG_MASK BIT(1) | |
149 | #define OMAP4460_COLD_FLAG_MASK BIT(0) | |
150 | ||
151 | /** | |
152 | * Temperature limits and thresholds for OMAP4460 | |
153 | * | |
154 | * All the macros bellow are definitions for handling the | |
155 | * ADC conversions and representation of temperature limits | |
156 | * and thresholds for OMAP4460. | |
157 | */ | |
158 | ||
159 | /* ADC conversion table limits */ | |
160 | #define OMAP4460_ADC_START_VALUE 530 | |
161 | #define OMAP4460_ADC_END_VALUE 932 | |
162 | /* bandgap clock limits */ | |
163 | #define OMAP4460_MAX_FREQ 1500000 | |
164 | #define OMAP4460_MIN_FREQ 1000000 | |
165 | /* sensor limits */ | |
166 | #define OMAP4460_MIN_TEMP -40000 | |
167 | #define OMAP4460_MAX_TEMP 123000 | |
168 | #define OMAP4460_HYST_VAL 5000 | |
169 | /* interrupts thresholds */ | |
170 | #define OMAP4460_TSHUT_HOT 900 /* 122 deg C */ | |
171 | #define OMAP4460_TSHUT_COLD 895 /* 100 deg C */ | |
172 | #define OMAP4460_T_HOT 800 /* 73 deg C */ | |
173 | #define OMAP4460_T_COLD 795 /* 71 deg C */ | |
174 | ||
175 | #endif /* __OMAP4XXX_BANDGAP_H */ |