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 "soc.h"
23 #include "control.h"
24 #include "omap_opp_data.h"
25 #include "pm.h"
26 
27 /* 34xx */
28 
29 /* VDD1 */
30 
31 #define OMAP3430_VDD_MPU_OPP1_UV		975000
32 #define OMAP3430_VDD_MPU_OPP2_UV		1075000
33 #define OMAP3430_VDD_MPU_OPP3_UV		1200000
34 #define OMAP3430_VDD_MPU_OPP4_UV		1270000
35 #define OMAP3430_VDD_MPU_OPP5_UV		1350000
36 
37 struct omap_volt_data omap34xx_vddmpu_volt_data[] = {
38 	VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD1, 0xf4, 0x0c),
39 	VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD1, 0xf4, 0x0c),
40 	VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD1, 0xf9, 0x18),
41 	VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP4_UV, OMAP343X_CONTROL_FUSE_OPP4_VDD1, 0xf9, 0x18),
42 	VOLT_DATA_DEFINE(OMAP3430_VDD_MPU_OPP5_UV, OMAP343X_CONTROL_FUSE_OPP5_VDD1, 0xf9, 0x18),
43 	VOLT_DATA_DEFINE(0, 0, 0, 0),
44 };
45 
46 /* VDD2 */
47 
48 #define OMAP3430_VDD_CORE_OPP1_UV		975000
49 #define OMAP3430_VDD_CORE_OPP2_UV		1050000
50 #define OMAP3430_VDD_CORE_OPP3_UV		1150000
51 
52 struct omap_volt_data omap34xx_vddcore_volt_data[] = {
53 	VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP1_UV, OMAP343X_CONTROL_FUSE_OPP1_VDD2, 0xf4, 0x0c),
54 	VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP2_UV, OMAP343X_CONTROL_FUSE_OPP2_VDD2, 0xf4, 0x0c),
55 	VOLT_DATA_DEFINE(OMAP3430_VDD_CORE_OPP3_UV, OMAP343X_CONTROL_FUSE_OPP3_VDD2, 0xf9, 0x18),
56 	VOLT_DATA_DEFINE(0, 0, 0, 0),
57 };
58 
59 /* 36xx */
60 
61 /* VDD1 */
62 
63 #define OMAP3630_VDD_MPU_OPP50_UV		1012500
64 #define OMAP3630_VDD_MPU_OPP100_UV		1200000
65 #define OMAP3630_VDD_MPU_OPP120_UV		1325000
66 #define OMAP3630_VDD_MPU_OPP1G_UV		1375000
67 
68 struct omap_volt_data omap36xx_vddmpu_volt_data[] = {
69 	VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD1, 0xf4, 0x0c),
70 	VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD1, 0xf9, 0x16),
71 	VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP120_UV, OMAP3630_CONTROL_FUSE_OPP120_VDD1, 0xfa, 0x23),
72 	VOLT_DATA_DEFINE(OMAP3630_VDD_MPU_OPP1G_UV, OMAP3630_CONTROL_FUSE_OPP1G_VDD1, 0xfa, 0x27),
73 	VOLT_DATA_DEFINE(0, 0, 0, 0),
74 };
75 
76 /* VDD2 */
77 
78 #define OMAP3630_VDD_CORE_OPP50_UV		1000000
79 #define OMAP3630_VDD_CORE_OPP100_UV		1200000
80 
81 struct omap_volt_data omap36xx_vddcore_volt_data[] = {
82 	VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP50_UV, OMAP3630_CONTROL_FUSE_OPP50_VDD2, 0xf4, 0x0c),
83 	VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16),
84 	VOLT_DATA_DEFINE(0, 0, 0, 0),
85 };
86 
87 /* OPP data */
88 
89 static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
90 	/* MPU OPP1 */
91 	OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV),
92 	/* MPU OPP2 */
93 	OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV),
94 	/* MPU OPP3 */
95 	OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV),
96 	/* MPU OPP4 */
97 	OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV),
98 	/* MPU OPP5 */
99 	OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV),
100 
101 	/*
102 	 * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
103 	 * almost the same than the one at 83MHz thus providing very little
104 	 * gain for the power point of view. In term of energy it will even
105 	 * increase the consumption due to the very negative performance
106 	 * impact that frequency will do to the MPU and the whole system in
107 	 * general.
108 	 */
109 	OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV),
110 	/* L3 OPP2 */
111 	OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV),
112 	/* L3 OPP3 */
113 	OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV),
114 
115 	/* DSP OPP1 */
116 	OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV),
117 	/* DSP OPP2 */
118 	OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV),
119 	/* DSP OPP3 */
120 	OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV),
121 	/* DSP OPP4 */
122 	OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV),
123 	/* DSP OPP5 */
124 	OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV),
125 };
126 
127 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
128 	/* MPU OPP1 - OPP50 */
129 	OPP_INITIALIZER("mpu", true,  300000000, OMAP3630_VDD_MPU_OPP50_UV),
130 	/* MPU OPP2 - OPP100 */
131 	OPP_INITIALIZER("mpu", true,  600000000, OMAP3630_VDD_MPU_OPP100_UV),
132 	/* MPU OPP3 - OPP-Turbo */
133 	OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV),
134 	/* MPU OPP4 - OPP-SB */
135 	OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV),
136 
137 	/* L3 OPP1 - OPP50 */
138 	OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV),
139 	/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
140 	OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV),
141 
142 	/* DSP OPP1 - OPP50 */
143 	OPP_INITIALIZER("iva", true,  260000000, OMAP3630_VDD_MPU_OPP50_UV),
144 	/* DSP OPP2 - OPP100 */
145 	OPP_INITIALIZER("iva", true,  520000000, OMAP3630_VDD_MPU_OPP100_UV),
146 	/* DSP OPP3 - OPP-Turbo */
147 	OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV),
148 	/* DSP OPP4 - OPP-SB */
149 	OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV),
150 };
151 
152 /**
153  * omap3_opp_init() - initialize omap3 opp table
154  */
155 int __init omap3_opp_init(void)
156 {
157 	int r = -ENODEV;
158 
159 	if (!cpu_is_omap34xx())
160 		return r;
161 
162 	if (cpu_is_omap3630())
163 		r = omap_init_opp_table(omap36xx_opp_def_list,
164 			ARRAY_SIZE(omap36xx_opp_def_list));
165 	else
166 		r = omap_init_opp_table(omap34xx_opp_def_list,
167 			ARRAY_SIZE(omap34xx_opp_def_list));
168 
169 	return r;
170 }
171 omap_device_initcall(omap3_opp_init);
172