Commit | Line | Data |
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69d88a00 | 1 | /* |
59fb659b | 2 | * OMAP2/3/4 Power/Reset Management (PRM) bitfield definitions |
69d88a00 | 3 | * |
d9a16f9a | 4 | * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc. |
0be1621a | 5 | * Copyright (C) 2010 Nokia Corporation |
69d88a00 | 6 | * |
59fb659b | 7 | * Paul Walmsley |
69d88a00 PW |
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 | */ | |
59fb659b PW |
13 | #ifndef __ARCH_ARM_MACH_OMAP2_PRM_H |
14 | #define __ARCH_ARM_MACH_OMAP2_PRM_H | |
69d88a00 PW |
15 | |
16 | #include "prcm-common.h" | |
17 | ||
d9a16f9a PW |
18 | # ifndef __ASSEMBLER__ |
19 | extern void __iomem *prm_base; | |
2541d15f | 20 | extern u16 prm_features; |
d9a16f9a | 21 | extern void omap2_set_globals_prm(void __iomem *prm); |
3a1a388e | 22 | int omap_prcm_init(void); |
ae521d4d | 23 | int omap2_prm_base_init(void); |
d9a16f9a PW |
24 | # endif |
25 | ||
2541d15f TK |
26 | /* |
27 | * prm_features flag values | |
28 | * | |
29 | * PRM_HAS_IO_WAKEUP: has IO wakeup capability | |
30 | * PRM_HAS_VOLTAGE: has voltage domains | |
31 | */ | |
32 | #define PRM_HAS_IO_WAKEUP (1 << 0) | |
3381eb47 | 33 | #define PRM_HAS_VOLTAGE (1 << 1) |
b13159af PW |
34 | |
35 | /* | |
36 | * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP | |
37 | * module to softreset | |
38 | */ | |
39 | #define MAX_MODULE_SOFTRESET_WAIT 10000 | |
40 | ||
41 | /* | |
42 | * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP | |
43 | * submodule to exit hardreset | |
44 | */ | |
45 | #define MAX_MODULE_HARDRESET_WAIT 10000 | |
46 | ||
47 | /* | |
48 | * Register bitfields | |
49 | */ | |
50 | ||
69d88a00 PW |
51 | /* |
52 | * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP | |
53 | * | |
54 | * 2430: PM_PWSTST_MDM | |
55 | * | |
56 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
57 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
58 | * PM_PWSTST_NEON | |
59 | */ | |
2fd0f75c | 60 | #define OMAP_INTRANSITION_MASK (1 << 20) |
69d88a00 PW |
61 | |
62 | ||
63 | /* | |
64 | * 24XX: PM_PWSTST_GFX, PM_PWSTST_DSP | |
65 | * | |
66 | * 2430: PM_PWSTST_MDM | |
67 | * | |
68 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
69 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
70 | * PM_PWSTST_NEON | |
71 | */ | |
72 | #define OMAP_POWERSTATEST_SHIFT 0 | |
73 | #define OMAP_POWERSTATEST_MASK (0x3 << 0) | |
74 | ||
69d88a00 PW |
75 | /* |
76 | * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, | |
77 | * PM_PWSTCTRL_DSP, PM_PWSTST_MPU | |
78 | * | |
79 | * 2430: PM_PWSTCTRL_MDM shared bits | |
80 | * | |
81 | * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, | |
82 | * PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER, | |
83 | * PM_PWSTCTRL_NEON shared bits | |
84 | */ | |
85 | #define OMAP_POWERSTATE_SHIFT 0 | |
86 | #define OMAP_POWERSTATE_MASK (0x3 << 0) | |
87 | ||
2bb2a5d3 PW |
88 | /* |
89 | * Standardized OMAP reset source bits | |
90 | * | |
91 | * To the extent these happen to match the hardware register bit | |
92 | * shifts, it's purely coincidental. Used by omap-wdt.c. | |
93 | * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever | |
94 | * there are any bits remaining in the global PRM_RSTST register that | |
95 | * haven't been identified, or when the PRM code for the current SoC | |
96 | * doesn't know how to interpret the register. | |
97 | */ | |
98 | #define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0 | |
99 | #define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1 | |
100 | #define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2 | |
101 | #define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3 | |
102 | #define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4 | |
103 | #define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5 | |
104 | #define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6 | |
105 | #define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7 | |
106 | #define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8 | |
107 | #define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9 | |
108 | #define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10 | |
109 | #define OMAP_C2C_RST_SRC_ID_SHIFT 11 | |
110 | #define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12 | |
111 | ||
e24c3573 PW |
112 | #ifndef __ASSEMBLER__ |
113 | ||
2bb2a5d3 PW |
114 | /** |
115 | * struct prm_reset_src_map - map register bitshifts to standard bitshifts | |
116 | * @reg_shift: bitshift in the PRM reset source register | |
117 | * @std_shift: bitshift equivalent in the standard reset source list | |
118 | * | |
119 | * The fields are signed because -1 is used as a terminator. | |
120 | */ | |
121 | struct prm_reset_src_map { | |
122 | s8 reg_shift; | |
123 | s8 std_shift; | |
124 | }; | |
125 | ||
e24c3573 PW |
126 | /** |
127 | * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations | |
e6d3a8b0 RN |
128 | * @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl |
129 | * @was_any_context_lost_old: ptr to the SoC PRM context loss test fn | |
130 | * @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn | |
b550e47f | 131 | * @late_init: ptr to the late init function |
efd44dc3 | 132 | * @assert_hardreset: ptr to the SoC PRM hardreset assert impl |
37fb59d7 | 133 | * @deassert_hardreset: ptr to the SoC PRM hardreset deassert impl |
e6d3a8b0 RN |
134 | * |
135 | * XXX @was_any_context_lost_old and @clear_context_loss_flags_old are | |
136 | * deprecated. | |
e24c3573 | 137 | */ |
2bb2a5d3 PW |
138 | struct prm_ll_data { |
139 | u32 (*read_reset_sources)(void); | |
e6d3a8b0 RN |
140 | bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx); |
141 | void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx); | |
b550e47f | 142 | int (*late_init)(void); |
efd44dc3 | 143 | int (*assert_hardreset)(u8 shift, u8 part, s16 prm_mod, u16 offset); |
37fb59d7 TK |
144 | int (*deassert_hardreset)(u8 shift, u8 st_shift, u8 part, s16 prm_mod, |
145 | u16 offset, u16 st_offset); | |
146 | int (*is_hardreset_asserted)(u8 shift, u8 part, s16 prm_mod, | |
147 | u16 offset); | |
61c8621e | 148 | void (*reset_system)(void); |
9cb6d363 | 149 | int (*clear_mod_irqs)(s16 module, u8 regs, u32 wkst_mask); |
e9f1ddcd TK |
150 | u32 (*vp_check_txdone)(u8 vp_id); |
151 | void (*vp_clear_txdone)(u8 vp_id); | |
2bb2a5d3 | 152 | }; |
e24c3573 PW |
153 | |
154 | extern int prm_register(struct prm_ll_data *pld); | |
155 | extern int prm_unregister(struct prm_ll_data *pld); | |
156 | ||
efd44dc3 | 157 | int omap_prm_assert_hardreset(u8 shift, u8 part, s16 prm_mod, u16 offset); |
37fb59d7 TK |
158 | int omap_prm_deassert_hardreset(u8 shift, u8 st_shift, u8 part, s16 prm_mod, |
159 | u16 offset, u16 st_offset); | |
1bc28b34 | 160 | int omap_prm_is_hardreset_asserted(u8 shift, u8 part, s16 prm_mod, u16 offset); |
2bb2a5d3 | 161 | extern u32 prm_read_reset_sources(void); |
e6d3a8b0 RN |
162 | extern bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx); |
163 | extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx); | |
61c8621e | 164 | void omap_prm_reset_system(void); |
2bb2a5d3 | 165 | |
4984eeaf | 166 | void omap_prm_reconfigure_io_chain(void); |
9cb6d363 | 167 | int omap_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask); |
4984eeaf | 168 | |
e9f1ddcd TK |
169 | /* |
170 | * Voltage Processor (VP) identifiers | |
171 | */ | |
172 | #define OMAP3_VP_VDD_MPU_ID 0 | |
173 | #define OMAP3_VP_VDD_CORE_ID 1 | |
174 | #define OMAP4_VP_VDD_CORE_ID 0 | |
175 | #define OMAP4_VP_VDD_IVA_ID 1 | |
176 | #define OMAP4_VP_VDD_MPU_ID 2 | |
177 | ||
178 | u32 omap_prm_vp_check_txdone(u8 vp_id); | |
179 | void omap_prm_vp_clear_txdone(u8 vp_id); | |
180 | ||
e24c3573 | 181 | #endif |
69d88a00 | 182 | |
2bb2a5d3 | 183 | |
69d88a00 | 184 | #endif |