2 * (C) Copyright 2012-2014
3 * Texas Instruments Incorporated, <www.ti.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/hardware.h>
13 * FILE PURPOSE: Local Power Sleep Controller definitions
15 * FILE NAME: psc_defs.h
17 * DESCRIPTION: Provides local definitions for the power saver controller
21 /* Register offsets */
22 #define PSC_REG_PTCMD 0x120
23 #define PSC_REG_PSTAT 0x128
24 #define PSC_REG_PDSTAT(x) (0x200 + (4 * (x)))
25 #define PSC_REG_PDCTL(x) (0x300 + (4 * (x)))
26 #define PSC_REG_MDCFG(x) (0x600 + (4 * (x)))
27 #define PSC_REG_MDSTAT(x) (0x800 + (4 * (x)))
28 #define PSC_REG_MDCTL(x) (0xa00 + (4 * (x)))
31 static inline u32 _boot_bit_mask(u32 x, u32 y)
33 u32 val = (1 << (x - y + 1)) - 1;
37 static inline u32 boot_read_bitfield(u32 z, u32 x, u32 y)
39 u32 val = z & _boot_bit_mask(x, y);
43 #define BOOT_SET_BITFIELD(z, f, x, y) ((((u32)z) & ~_boot_bit_mask(x, y)) | \
44 ((((u32)f) << (y)) & _boot_bit_mask(x, y)))
47 #define PSC_REG_PDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 0, 0)
48 #define PSC_REG_PDCTL_SET_PDMODE(x, y) BOOT_SET_BITFIELD((x), (y), 15, 12)
51 #define PSC_REG_PDSTAT_GET_STATE(x) boot_read_bitfield((x), 4, 0)
54 #define PSC_REG_MDCFG_GET_PD(x) boot_read_bitfield((x), 20, 16)
55 #define PSC_REG_MDCFG_GET_RESET_ISO(x) boot_read_bitfield((x), 14, 14)
58 #define PSC_REG_MDCTL_SET_NEXT(x, y) BOOT_SET_BITFIELD((x), (y), 4, 0)
59 #define PSC_REG_MDCTL_SET_LRSTZ(x, y) BOOT_SET_BITFIELD((x), (y), 8, 8)
60 #define PSC_REG_MDCTL_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
61 #define PSC_REG_MDCTL_SET_RESET_ISO(x, y) BOOT_SET_BITFIELD((x), (y), \
65 #define PSC_REG_MDSTAT_GET_STATUS(x) boot_read_bitfield((x), 5, 0)
66 #define PSC_REG_MDSTAT_GET_LRSTZ(x) boot_read_bitfield((x), 8, 8)
67 #define PSC_REG_MDSTAT_GET_LRSTDONE(x) boot_read_bitfield((x), 9, 9)
68 #define PSC_REG_MDSTAT_GET_MRSTZ(x) boot_read_bitfield((x), 10, 10)
69 #define PSC_REG_MDSTAT_GET_MRSTDONE(x) boot_read_bitfield((x), 11, 11)
72 #define PSC_REG_VAL_PDCTL_NEXT_ON 1
73 #define PSC_REG_VAL_PDCTL_NEXT_OFF 0
75 #define PSC_REG_VAL_PDCTL_PDMODE_SLEEP 0
78 #define PSC_REG_VAL_MDCTL_NEXT_SWRSTDISABLE 0
79 #define PSC_REG_VAL_MDCTL_NEXT_OFF 2
80 #define PSC_REG_VAL_MDCTL_NEXT_ON 3
83 #define PSC_REG_VAL_MDSTAT_STATE_ON 3
84 #define PSC_REG_VAL_MDSTAT_STATE_ENABLE_IN_PROG 0x24
85 #define PSC_REG_VAL_MDSTAT_STATE_OFF 2
86 #define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG1 0x20
87 #define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG2 0x21
88 #define PSC_REG_VAL_MDSTAT_STATE_DISABLE_IN_PROG3 0x22
91 * Timeout limit on checking PTSTAT. This is the number of times the
92 * wait function will be called before giving up.
94 #define PSC_PTSTAT_TIMEOUT_LIMIT 100
96 u32 psc_get_domain_num(u32 mod_num);
97 int psc_enable_module(u32 mod_num);
98 int psc_disable_module(u32 mod_num);
99 int psc_disable_domain(u32 domain_num);
100 int psc_module_keep_in_reset_enabled(u32 mod_num, bool gate_clocks);
101 int psc_module_release_from_reset(u32 mod_num);
103 #endif /* _PSC_DEFS_H_ */