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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
*/
#ifndef _PSC_DEFS_H_
#define _PSC_DEFS_H_
#include <asm/arch/hardware.h>
/*
* FILE PURPOSE: Local Power Sleep Controller definitions
*
* FILE NAME: psc_defs.h
*
* DESCRIPTION: Provides local definitions for the power saver controller
*
*/
/* Register offsets */
#define PSC_REG_PTCMD 0x120
#define PSC_REG_PSTAT 0x128
#define PSC_REG_PDSTAT(x) (0x200 + (4 * (x)))
#define PSC_REG_PDCTL(x) (0x300 + (4 * (x)))
#define PSC_REG_MDCFG(x) (0x600 + (4 * (x)))
#define PSC_REG_MDSTAT(x) (0x800 + (4 * (x)))
#define PSC_REG_MDCTL(x) (0xa00 + (4 * (x)))
static inline u32 _boot_bit_mask(u32 x, u32 y)
{
u32 val = (1 << (x - y + 1)) - 1;
return val << y;
}
static inline u32 boot_read_bitfield(u32 z, u32 x, u32 y)
{
u32 val = z & _boot_bit_mask(x, y);
return val >> y;
}
static inline u32 boot_set_bitfield(u32 z, u32 f, u32 x, u32 y)
{
u32 mask = _boot_bit_mask(x, y);
return (z & ~mask) | ((f << y) & mask);
}
/* PDCTL */
#define PSC_REG_PDCTL_SET_NEXT(x, y) boot_set_bitfield((x), (y), 0, 0)
#define PSC_REG_PDCTL_SET_PDMODE(x, y) boot_set_bitfield((x), (y), 15, 12)
/* PDSTAT */
#define PSC_REG_PDSTAT_GET_STATE(x) boot_read_bitfield((x), 4, 0)
/* MDCFG */
#define PSC_REG_MDCFG_GET_PD(x) boot_read_bitfield((x), 20, 16)
#define PSC_REG_MDCFG_GET_RESET_ISO(x) boot_read_bitfield((x), 14, 14)
/* MDCTL */
#define PSC_REG_MDCTL_SET_NEXT(x, y) boot_set_bitfield((x), (y), 4, 0)
#define PSC_REG_MDCTL_SET_LRSTZ(x, y) boot_set_bitfield((x), (y), 8, 8)
#define PSC_REG_MDCTL_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
#define PSC_REG_MDCTL_SET_RESET_ISO(x, y) boot_set_bitfield((x), (y), \
12, 12)
/* MDSTAT */
#define PSC_REG_MDSTAT_GET_STATUS(x) boot_read_bitfield((x), 5, 0)
#define PSC_REG_MDSTAT_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
#define PSC_REG_MDSTAT_GET_LRSTDONE(x) boot_read_bitfield((x), 9, 9)
#define PSC_REG_MDSTAT_GET_MRSTZ(x) boot_read_bitfield((x), 10, 10)
#define PSC_REG_MDSTAT_GET_MRSTDONE(x) boot_read_bitfield((x), 11, 11)
/* PDCTL states */
#define PSC_REG_VAL_PDCTL_NEXT_ON 1
#define PSC_REG_VAL_PDCTL_NEXT_OFF 0
#define PSC_REG_VAL_PDCTL_PDMODE_SLEEP 0
/* MDCTL states */
#define PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE 0
#define PSC_REG_VAL_MDCTL_NEXT_OFF 2
#define PSC_REG_VAL_MDCTL_NEXT_ON 3
/* MDSTAT states */
#define PSC_REG_VAL_MDSTAT_STATE_ON 3
#define PSC_REG_VAL_MDSTAT_STATE_ENABLE_IN_PROG 0x24
#define PSC_REG_VAL_MDSTAT_STATE_OFF 2
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG1 0x20
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG2 0x21
#define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG3 0x22
/*
* Timeout limit on checking PTSTAT. This is the number of times the
* wait function will be called before giving up.
*/
#define PSC_PTSTAT_TIMEOUT_LIMIT 100000
u32 psc_get_domain_num(u32 mod_num);
int psc_enable_module(u32 mod_num);
int psc_disable_module(u32 mod_num);
int psc_disable_domain(u32 domain_num);
int psc_module_keep_in_reset_enabled(u32 mod_num, bool gate_clocks);
int psc_module_release_from_reset(u32 mod_num);
#endif /* _PSC_DEFS_H_ */
|
