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gerrit-public.fairphone.software / kernel / msm-4.9 / 3e71985f2439d8c4090dc2820e497e6f3d72dcff / . / arch / arm / mach-omap2 / prm.h
blob: ac25ae6667cf92c448d37a9fc25058d69f26be19 [file] [log] [blame]
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]1/*
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]2 * OMAP2/3/4 Power/Reset Management (PRM) bitfield definitions
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]3 *
Paul Walmsleyd9a16f92012-10-29 20:57:39 -0600[diff] [blame]4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
Benoît Cousson0be16212010-09-21 10:34:10 -0600[diff] [blame]5 * Copyright (C) 2010 Nokia Corporation
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]6 *
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]7 * Paul Walmsley
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]13#ifndef __ARCH_ARM_MACH_OMAP2_PRM_H
14#define __ARCH_ARM_MACH_OMAP2_PRM_H
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]15
16#include "prcm-common.h"
17
Paul Walmsleyd9a16f92012-10-29 20:57:39 -0600[diff] [blame]18# ifndef __ASSEMBLER__
19extern void __iomem *prm_base;
20extern void omap2_set_globals_prm(void __iomem *prm);
21# endif
22
Paul Walmsleyb13159a2012-10-29 20:57:44 -0600[diff] [blame]23
24/*
25 * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP
26 * module to softreset
27 */
28#define MAX_MODULE_SOFTRESET_WAIT 10000
29
30/*
31 * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP
32 * submodule to exit hardreset
33 */
34#define MAX_MODULE_HARDRESET_WAIT 10000
35
36/*
37 * Register bitfields
38 */
39
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]40/*
41 * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP
42 *
43 * 2430: PM_PWSTST_MDM
44 *
45 * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX,
46 * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU,
47 * PM_PWSTST_NEON
48 */
Paul Walmsley2fd0f752010-05-18 18:40:23 -0600[diff] [blame]49#define OMAP_INTRANSITION_MASK (1 << 20)
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]50
51
52/*
53 * 24XX: PM_PWSTST_GFX, PM_PWSTST_DSP
54 *
55 * 2430: PM_PWSTST_MDM
56 *
57 * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX,
58 * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU,
59 * PM_PWSTST_NEON
60 */
61#define OMAP_POWERSTATEST_SHIFT 0
62#define OMAP_POWERSTATEST_MASK (0x3 << 0)
63
64/*
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]65 * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
66 * PM_PWSTCTRL_DSP, PM_PWSTST_MPU
67 *
68 * 2430: PM_PWSTCTRL_MDM shared bits
69 *
70 * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE,
71 * PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER,
72 * PM_PWSTCTRL_NEON shared bits
73 */
74#define OMAP_POWERSTATE_SHIFT 0
75#define OMAP_POWERSTATE_MASK (0x3 << 0)
76
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]77/*
78 * Standardized OMAP reset source bits
79 *
80 * To the extent these happen to match the hardware register bit
81 * shifts, it's purely coincidental. Used by omap-wdt.c.
82 * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever
83 * there are any bits remaining in the global PRM_RSTST register that
84 * haven't been identified, or when the PRM code for the current SoC
85 * doesn't know how to interpret the register.
86 */
87#define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0
88#define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1
89#define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2
90#define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3
91#define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4
92#define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5
93#define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6
94#define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7
95#define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8
96#define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9
97#define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10
98#define OMAP_C2C_RST_SRC_ID_SHIFT 11
99#define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12
100
Paul Walmsleye24c3572012-10-21 01:01:11 -0600[diff] [blame]101#ifndef __ASSEMBLER__
102
103/**
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]104 * struct prm_reset_src_map - map register bitshifts to standard bitshifts
105 * @reg_shift: bitshift in the PRM reset source register
106 * @std_shift: bitshift equivalent in the standard reset source list
107 *
108 * The fields are signed because -1 is used as a terminator.
Paul Walmsleye24c3572012-10-21 01:01:11 -0600[diff] [blame]109 */
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]110struct prm_reset_src_map {
111 s8 reg_shift;
112 s8 std_shift;
113};
114
115/**
116 * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations
Rajendra Nayake6d3a8b2012-11-21 16:15:17 -0700[diff] [blame]117 * @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl
118 * @was_any_context_lost_old: ptr to the SoC PRM context loss test fn
119 * @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn
120 *
121 * XXX @was_any_context_lost_old and @clear_context_loss_flags_old are
122 * deprecated.
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]123 */
124struct prm_ll_data {
125 u32 (*read_reset_sources)(void);
Rajendra Nayake6d3a8b2012-11-21 16:15:17 -0700[diff] [blame]126 bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx);
127 void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx);
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]128};
Paul Walmsleye24c3572012-10-21 01:01:11 -0600[diff] [blame]129
130extern int prm_register(struct prm_ll_data *pld);
131extern int prm_unregister(struct prm_ll_data *pld);
132
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]133extern u32 prm_read_reset_sources(void);
Rajendra Nayake6d3a8b2012-11-21 16:15:17 -0700[diff] [blame]134extern bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx);
135extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx);
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]136
Paul Walmsleye24c3572012-10-21 01:01:11 -0600[diff] [blame]137#endif
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]138
Paul Walmsley2bb2a5d2012-10-21 01:01:13 -0600[diff] [blame]139
Paul Walmsley69d88a02008-03-18 10:02:50 +0200[diff] [blame]140#endif