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
37struct 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
52struct 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
68struct 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
81struct 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
89static 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
127static 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 */
155int __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}
171omap_device_initcall(omap3_opp_init);
172