1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* OMAP SoC specific OPP Data helpers
*
* Copyright (C) 2009-2010 Texas Instruments Incorporated - https://www.ti.com/
* Nishanth Menon
* Kevin Hilman
* Copyright (C) 2010 Nokia Corporation.
* Eduardo Valentin
*/
#ifndef __ARCH_ARM_MACH_OMAP2_OMAP_OPP_DATA_H
#define __ARCH_ARM_MACH_OMAP2_OMAP_OPP_DATA_H
#include "omap_hwmod.h"
#include "voltage.h"
/*
* *BIG FAT WARNING*:
* USE the following ONLY in opp data initialization common to an SoC.
* DO NOT USE these in board files/pm core etc.
*/
/**
* struct omap_opp_def - OMAP OPP Definition
* @hwmod_name: Name of the hwmod for this domain
* @freq: Frequency in hertz corresponding to this OPP
* @u_volt: Nominal voltage in microvolts corresponding to this OPP
* @default_available: True/false - is this OPP available by default
*
* OMAP SOCs have a standard set of tuples consisting of frequency and voltage
* pairs that the device will support per voltage domain. This is called
* Operating Points or OPP. The actual definitions of OMAP Operating Points
* varies over silicon within the same family of devices. For a specific
* domain, you can have a set of {frequency, voltage} pairs and this is denoted
* by an array of omap_opp_def. As the kernel boots and more information is
* available, a set of these are activated based on the precise nature of
* device the kernel boots up on. It is interesting to remember that each IP
* which belongs to a voltage domain may define their own set of OPPs on top
* of this - but this is handled by the appropriate driver.
*/
struct omap_opp_def {
char *hwmod_name;
unsigned long freq;
unsigned long u_volt;
bool default_available;
};
/*
* Initialization wrapper used to define an OPP for OMAP variants.
*/
#define OPP_INITIALIZER(_hwmod_name, _enabled, _freq, _uv) \
{ \
.hwmod_name = _hwmod_name, \
.default_available = _enabled, \
.freq = _freq, \
.u_volt = _uv, \
}
/*
* Initialization wrapper used to define SmartReflex process data
* XXX Is this needed? Just use C99 initializers in data files?
*/
#define VOLT_DATA_DEFINE(_v_nom, _efuse_offs, _errminlimit, _errgain) \
{ \
.volt_nominal = _v_nom, \
.sr_efuse_offs = _efuse_offs, \
.sr_errminlimit = _errminlimit, \
.vp_errgain = _errgain \
}
/* Use this to initialize the default table */
extern int __init omap_init_opp_table(struct omap_opp_def *opp_def,
u32 opp_def_size);
extern struct omap_volt_data omap34xx_vddmpu_volt_data[];
extern struct omap_volt_data omap34xx_vddcore_volt_data[];
extern struct omap_volt_data omap36xx_vddmpu_volt_data[];
extern struct omap_volt_data omap36xx_vddcore_volt_data[];
extern struct omap_volt_data omap443x_vdd_mpu_volt_data[];
extern struct omap_volt_data omap443x_vdd_iva_volt_data[];
extern struct omap_volt_data omap443x_vdd_core_volt_data[];
extern struct omap_volt_data omap446x_vdd_mpu_volt_data[];
extern struct omap_volt_data omap446x_vdd_iva_volt_data[];
extern struct omap_volt_data omap446x_vdd_core_volt_data[];
#endif /* __ARCH_ARM_MACH_OMAP2_OMAP_OPP_DATA_H */
|
