1 /*
2 * OMAP3 OPP table definitions.
3 *
4 * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
5 * Nishanth Menon
6 * Kevin Hilman
7 * Copyright (C) 2010-2011 Nokia Corporation.
8 * Eduardo Valentin
9 * Paul Walmsley
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
16 * kind, whether express or implied; without even the implied warranty
17 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20 #include <linux/module.h>
21
22 #include <plat/cpu.h>
23
24 #include "control.h"
25 #include "omap_opp_data.h"
26 #include "pm.h"
27
28 /* 34xx */
29
30 /* VDD1 */
31
32 #define OMAP3430_VDD_MPU_OPP1_UV 975000
33 #define OMAP3430_VDD_MPU_OPP2_UV 1075000
34 #define OMAP3430_VDD_MPU_OPP3_UV 1200000
35 #define OMAP3430_VDD_MPU_OPP4_UV 1270000
36 #define OMAP3430_VDD_MPU_OPP5_UV 1350000
37
38 struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
39 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
40 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
41 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
42 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
43 VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
44 VOLT_DATA_DEFINE(0, 0, 0, 0),
45 };
46
47 /* VDD2 */
48
49 #define OMAP3430_VDD_CORE_OPP1_UV 975000
50 #define OMAP3430_VDD_CORE_OPP2_UV 1050000
51 #define OMAP3430_VDD_CORE_OPP3_UV 1150000
52
53 struct omap_volt_data omap34xx_vddcore_volt_data[] = {
54 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
55 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
56 VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
57 VOLT_DATA_DEFINE(0, 0, 0, 0),
58 };
59
60 /* 36xx */
61
62 /* VDD1 */
63
64 #define OMAP3630_VDD_MPU_OPP50_UV 1012500
65 #define OMAP3630_VDD_MPU_OPP100_UV 1200000
66 #define OMAP3630_VDD_MPU_OPP120_UV 1325000
67 #define OMAP3630_VDD_MPU_OPP1G_UV 1375000
68
69 struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
70 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
71 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
72 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
73 VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
74 VOLT_DATA_DEFINE(0, 0, 0, 0),
75 };
76
77 /* VDD2 */
78
79 #define OMAP3630_VDD_CORE_OPP50_UV 1000000
80 #define OMAP3630_VDD_CORE_OPP100_UV 1200000
81
82 struct omap_volt_data omap36xx_vddcore_volt_data[] = {
83 VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
84 VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
85 VOLT_DATA_DEFINE(0, 0, 0, 0),
86 };
87
88 /* OPP data */
89
90 static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
91 /* MPU OPP1 */
92 OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
93 /* MPU OPP2 */
94 OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
95 /* MPU OPP3 */
96 OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
97 /* MPU OPP4 */
98 OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
99 /* MPU OPP5 */
100 OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
101
102 /*
103 * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
104 * almost the same than the one at 83MHz thus providing very little
105 * gain for the power point of view. In term of energy it will even
106 * increase the consumption due to the very negative performance
107 * impact that frequency will do to the MPU and the whole system in
108 * general.
109 */
110 OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV),
111 /* L3 OPP2 */
112 OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
113 /* L3 OPP3 */
114 OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
115
116 /* DSP OPP1 */
117 OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
118 /* DSP OPP2 */
119 OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
120 /* DSP OPP3 */
121 OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
122 /* DSP OPP4 */
123 OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
124 /* DSP OPP5 */
125 OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
126 };
127
128 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
129 /* MPU OPP1 - OPP50 */
130 OPP_INITIALIZER("mpu", true, 300000000, OMAP3630_VDD_MPU_OPP50_UV),
131 /* MPU OPP2 - OPP100 */
132 OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV),
133 /* MPU OPP3 - OPP-Turbo */
134 OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
135 /* MPU OPP4 - OPP-SB */
136 OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
137
138 /* L3 OPP1 - OPP50 */
139 OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
140 /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
141 OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
142
143 /* DSP OPP1 - OPP50 */
144 OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV),
145 /* DSP OPP2 - OPP100 */
146 OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV),
147 /* DSP OPP3 - OPP-Turbo */
148 OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
149 /* DSP OPP4 - OPP-SB */
150 OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
151 };
152
153 /**
154 * omap3_opp_init() - initialize omap3 opp table
155 */
omap3_opp_init(void)156 int __init omap3_opp_init(void)
157 {
158 int r = -ENODEV;
159
160 if (!cpu_is_omap34xx())
161 return r;
162
163 if (cpu_is_omap3630())
164 r = omap_init_opp_table(omap36xx_opp_def_list,
165 ARRAY_SIZE(omap36xx_opp_def_list));
166 else
167 r = omap_init_opp_table(omap34xx_opp_def_list,
168 ARRAY_SIZE(omap34xx_opp_def_list));
169
170 return r;
171 }
172 device_initcall(omap3_opp_init);
173