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; | |
20 | extern void omap2_set_globals_prm(void __iomem *prm); | |
943a63a4 | 21 | int of_prcm_init(void); |
d9a16f9a PW |
22 | # endif |
23 | ||
b13159af PW |
24 | |
25 | /* | |
26 | * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP | |
27 | * module to softreset | |
28 | */ | |
29 | #define MAX_MODULE_SOFTRESET_WAIT 10000 | |
30 | ||
31 | /* | |
32 | * MAX_MODULE_HARDRESET_WAIT: Maximum microseconds to wait for an OMAP | |
33 | * submodule to exit hardreset | |
34 | */ | |
35 | #define MAX_MODULE_HARDRESET_WAIT 10000 | |
36 | ||
37 | /* | |
38 | * Register bitfields | |
39 | */ | |
40 | ||
69d88a00 PW |
41 | /* |
42 | * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP | |
43 | * | |
44 | * 2430: PM_PWSTST_MDM | |
45 | * | |
46 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
47 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
48 | * PM_PWSTST_NEON | |
49 | */ | |
2fd0f75c | 50 | #define OMAP_INTRANSITION_MASK (1 << 20) |
69d88a00 PW |
51 | |
52 | ||
53 | /* | |
54 | * 24XX: PM_PWSTST_GFX, PM_PWSTST_DSP | |
55 | * | |
56 | * 2430: PM_PWSTST_MDM | |
57 | * | |
58 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
59 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
60 | * PM_PWSTST_NEON | |
61 | */ | |
62 | #define OMAP_POWERSTATEST_SHIFT 0 | |
63 | #define OMAP_POWERSTATEST_MASK (0x3 << 0) | |
64 | ||
69d88a00 PW |
65 | /* |
66 | * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, | |
67 | * PM_PWSTCTRL_DSP, PM_PWSTST_MPU | |
68 | * | |
69 | * 2430: PM_PWSTCTRL_MDM shared bits | |
70 | * | |
71 | * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, | |
72 | * PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER, | |
73 | * PM_PWSTCTRL_NEON shared bits | |
74 | */ | |
75 | #define OMAP_POWERSTATE_SHIFT 0 | |
76 | #define OMAP_POWERSTATE_MASK (0x3 << 0) | |
77 | ||
2bb2a5d3 PW |
78 | /* |
79 | * Standardized OMAP reset source bits | |
80 | * | |
81 | * To the extent these happen to match the hardware register bit | |
82 | * shifts, it's purely coincidental. Used by omap-wdt.c. | |
83 | * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever | |
84 | * there are any bits remaining in the global PRM_RSTST register that | |
85 | * haven't been identified, or when the PRM code for the current SoC | |
86 | * doesn't know how to interpret the register. | |
87 | */ | |
88 | #define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0 | |
89 | #define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1 | |
90 | #define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2 | |
91 | #define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3 | |
92 | #define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4 | |
93 | #define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5 | |
94 | #define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6 | |
95 | #define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7 | |
96 | #define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8 | |
97 | #define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9 | |
98 | #define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10 | |
99 | #define OMAP_C2C_RST_SRC_ID_SHIFT 11 | |
100 | #define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12 | |
101 | ||
e24c3573 PW |
102 | #ifndef __ASSEMBLER__ |
103 | ||
2bb2a5d3 PW |
104 | /** |
105 | * struct prm_reset_src_map - map register bitshifts to standard bitshifts | |
106 | * @reg_shift: bitshift in the PRM reset source register | |
107 | * @std_shift: bitshift equivalent in the standard reset source list | |
108 | * | |
109 | * The fields are signed because -1 is used as a terminator. | |
110 | */ | |
111 | struct prm_reset_src_map { | |
112 | s8 reg_shift; | |
113 | s8 std_shift; | |
114 | }; | |
115 | ||
e24c3573 PW |
116 | /** |
117 | * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations | |
e6d3a8b0 RN |
118 | * @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl |
119 | * @was_any_context_lost_old: ptr to the SoC PRM context loss test fn | |
120 | * @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn | |
121 | * | |
122 | * XXX @was_any_context_lost_old and @clear_context_loss_flags_old are | |
123 | * deprecated. | |
e24c3573 | 124 | */ |
2bb2a5d3 PW |
125 | struct prm_ll_data { |
126 | u32 (*read_reset_sources)(void); | |
e6d3a8b0 RN |
127 | bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx); |
128 | void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx); | |
2bb2a5d3 | 129 | }; |
e24c3573 PW |
130 | |
131 | extern int prm_register(struct prm_ll_data *pld); | |
132 | extern int prm_unregister(struct prm_ll_data *pld); | |
133 | ||
2bb2a5d3 | 134 | extern u32 prm_read_reset_sources(void); |
e6d3a8b0 RN |
135 | extern bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx); |
136 | extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx); | |
2bb2a5d3 | 137 | |
e24c3573 | 138 | #endif |
69d88a00 | 139 | |
2bb2a5d3 | 140 | |
69d88a00 | 141 | #endif |