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fd1478cd NM |
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 Nokia Corporation. | |
8 | * Eduardo Valentin | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
15 | * kind, whether express or implied; without even the implied warranty | |
16 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | */ | |
19 | #include <linux/module.h> | |
20 | ||
21 | #include <plat/cpu.h> | |
22 | ||
23 | #include "omap_opp_data.h" | |
24 | ||
25 | static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { | |
26 | /* MPU OPP1 */ | |
27 | OPP_INITIALIZER("mpu", true, 125000000, 975000), | |
28 | /* MPU OPP2 */ | |
29 | OPP_INITIALIZER("mpu", true, 250000000, 1075000), | |
30 | /* MPU OPP3 */ | |
31 | OPP_INITIALIZER("mpu", true, 500000000, 1200000), | |
32 | /* MPU OPP4 */ | |
33 | OPP_INITIALIZER("mpu", true, 550000000, 1270000), | |
34 | /* MPU OPP5 */ | |
35 | OPP_INITIALIZER("mpu", true, 600000000, 1350000), | |
36 | ||
37 | /* | |
38 | * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is | |
39 | * almost the same than the one at 83MHz thus providing very little | |
40 | * gain for the power point of view. In term of energy it will even | |
41 | * increase the consumption due to the very negative performance | |
42 | * impact that frequency will do to the MPU and the whole system in | |
43 | * general. | |
44 | */ | |
45 | OPP_INITIALIZER("l3_main", false, 41500000, 975000), | |
46 | /* L3 OPP2 */ | |
47 | OPP_INITIALIZER("l3_main", true, 83000000, 1050000), | |
48 | /* L3 OPP3 */ | |
49 | OPP_INITIALIZER("l3_main", true, 166000000, 1150000), | |
50 | ||
51 | /* DSP OPP1 */ | |
52 | OPP_INITIALIZER("iva", true, 90000000, 975000), | |
53 | /* DSP OPP2 */ | |
54 | OPP_INITIALIZER("iva", true, 180000000, 1075000), | |
55 | /* DSP OPP3 */ | |
56 | OPP_INITIALIZER("iva", true, 360000000, 1200000), | |
57 | /* DSP OPP4 */ | |
58 | OPP_INITIALIZER("iva", true, 400000000, 1270000), | |
59 | /* DSP OPP5 */ | |
60 | OPP_INITIALIZER("iva", true, 430000000, 1350000), | |
61 | }; | |
62 | ||
63 | static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { | |
64 | /* MPU OPP1 - OPP50 */ | |
65 | OPP_INITIALIZER("mpu", true, 300000000, 1012500), | |
66 | /* MPU OPP2 - OPP100 */ | |
67 | OPP_INITIALIZER("mpu", true, 600000000, 1200000), | |
68 | /* MPU OPP3 - OPP-Turbo */ | |
69 | OPP_INITIALIZER("mpu", false, 800000000, 1325000), | |
70 | /* MPU OPP4 - OPP-SB */ | |
71 | OPP_INITIALIZER("mpu", false, 1000000000, 1375000), | |
72 | ||
73 | /* L3 OPP1 - OPP50 */ | |
74 | OPP_INITIALIZER("l3_main", true, 100000000, 1000000), | |
75 | /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ | |
76 | OPP_INITIALIZER("l3_main", true, 200000000, 1200000), | |
77 | ||
78 | /* DSP OPP1 - OPP50 */ | |
79 | OPP_INITIALIZER("iva", true, 260000000, 1012500), | |
80 | /* DSP OPP2 - OPP100 */ | |
81 | OPP_INITIALIZER("iva", true, 520000000, 1200000), | |
82 | /* DSP OPP3 - OPP-Turbo */ | |
83 | OPP_INITIALIZER("iva", false, 660000000, 1325000), | |
84 | /* DSP OPP4 - OPP-SB */ | |
85 | OPP_INITIALIZER("iva", false, 800000000, 1375000), | |
86 | }; | |
87 | ||
88 | /** | |
89 | * omap3_opp_init() - initialize omap3 opp table | |
90 | */ | |
91 | static int __init omap3_opp_init(void) | |
92 | { | |
93 | int r = -ENODEV; | |
94 | ||
95 | if (!cpu_is_omap34xx()) | |
96 | return r; | |
97 | ||
98 | if (cpu_is_omap3630()) | |
99 | r = omap_init_opp_table(omap36xx_opp_def_list, | |
100 | ARRAY_SIZE(omap36xx_opp_def_list)); | |
101 | else | |
102 | r = omap_init_opp_table(omap34xx_opp_def_list, | |
103 | ARRAY_SIZE(omap34xx_opp_def_list)); | |
104 | ||
105 | return r; | |
106 | } | |
107 | device_initcall(omap3_opp_init); |