Commit | Line | Data |
---|---|---|
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); | |
21 | # endif | |
22 | ||
69d88a00 PW |
23 | /* |
24 | * 24XX: PM_PWSTST_CORE, PM_PWSTST_GFX, PM_PWSTST_MPU, PM_PWSTST_DSP | |
25 | * | |
26 | * 2430: PM_PWSTST_MDM | |
27 | * | |
28 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
29 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
30 | * PM_PWSTST_NEON | |
31 | */ | |
2fd0f75c | 32 | #define OMAP_INTRANSITION_MASK (1 << 20) |
69d88a00 PW |
33 | |
34 | ||
35 | /* | |
36 | * 24XX: PM_PWSTST_GFX, PM_PWSTST_DSP | |
37 | * | |
38 | * 2430: PM_PWSTST_MDM | |
39 | * | |
40 | * 3430: PM_PWSTST_IVA2, PM_PWSTST_MPU, PM_PWSTST_CORE, PM_PWSTST_GFX, | |
41 | * PM_PWSTST_DSS, PM_PWSTST_CAM, PM_PWSTST_PER, PM_PWSTST_EMU, | |
42 | * PM_PWSTST_NEON | |
43 | */ | |
44 | #define OMAP_POWERSTATEST_SHIFT 0 | |
45 | #define OMAP_POWERSTATEST_MASK (0x3 << 0) | |
46 | ||
69d88a00 PW |
47 | /* |
48 | * 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX, | |
49 | * PM_PWSTCTRL_DSP, PM_PWSTST_MPU | |
50 | * | |
51 | * 2430: PM_PWSTCTRL_MDM shared bits | |
52 | * | |
53 | * 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, | |
54 | * PM_PWSTCTRL_GFX, PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER, | |
55 | * PM_PWSTCTRL_NEON shared bits | |
56 | */ | |
57 | #define OMAP_POWERSTATE_SHIFT 0 | |
58 | #define OMAP_POWERSTATE_MASK (0x3 << 0) | |
59 | ||
2bb2a5d3 PW |
60 | /* |
61 | * Standardized OMAP reset source bits | |
62 | * | |
63 | * To the extent these happen to match the hardware register bit | |
64 | * shifts, it's purely coincidental. Used by omap-wdt.c. | |
65 | * OMAP_UNKNOWN_RST_SRC_ID_SHIFT is a special value, used whenever | |
66 | * there are any bits remaining in the global PRM_RSTST register that | |
67 | * haven't been identified, or when the PRM code for the current SoC | |
68 | * doesn't know how to interpret the register. | |
69 | */ | |
70 | #define OMAP_GLOBAL_COLD_RST_SRC_ID_SHIFT 0 | |
71 | #define OMAP_GLOBAL_WARM_RST_SRC_ID_SHIFT 1 | |
72 | #define OMAP_SECU_VIOL_RST_SRC_ID_SHIFT 2 | |
73 | #define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3 | |
74 | #define OMAP_SECU_WD_RST_SRC_ID_SHIFT 4 | |
75 | #define OMAP_EXTWARM_RST_SRC_ID_SHIFT 5 | |
76 | #define OMAP_VDD_MPU_VM_RST_SRC_ID_SHIFT 6 | |
77 | #define OMAP_VDD_IVA_VM_RST_SRC_ID_SHIFT 7 | |
78 | #define OMAP_VDD_CORE_VM_RST_SRC_ID_SHIFT 8 | |
79 | #define OMAP_ICEPICK_RST_SRC_ID_SHIFT 9 | |
80 | #define OMAP_ICECRUSHER_RST_SRC_ID_SHIFT 10 | |
81 | #define OMAP_C2C_RST_SRC_ID_SHIFT 11 | |
82 | #define OMAP_UNKNOWN_RST_SRC_ID_SHIFT 12 | |
83 | ||
e24c3573 PW |
84 | #ifndef __ASSEMBLER__ |
85 | ||
2bb2a5d3 PW |
86 | /** |
87 | * struct prm_reset_src_map - map register bitshifts to standard bitshifts | |
88 | * @reg_shift: bitshift in the PRM reset source register | |
89 | * @std_shift: bitshift equivalent in the standard reset source list | |
90 | * | |
91 | * The fields are signed because -1 is used as a terminator. | |
92 | */ | |
93 | struct prm_reset_src_map { | |
94 | s8 reg_shift; | |
95 | s8 std_shift; | |
96 | }; | |
97 | ||
e24c3573 PW |
98 | /** |
99 | * struct prm_ll_data - fn ptrs to per-SoC PRM function implementations | |
2bb2a5d3 | 100 | * @read_reset_sources: ptr to the Soc PRM-specific get_reset_source impl |
e24c3573 | 101 | */ |
2bb2a5d3 PW |
102 | struct prm_ll_data { |
103 | u32 (*read_reset_sources)(void); | |
104 | }; | |
e24c3573 PW |
105 | |
106 | extern int prm_register(struct prm_ll_data *pld); | |
107 | extern int prm_unregister(struct prm_ll_data *pld); | |
108 | ||
2bb2a5d3 PW |
109 | extern u32 prm_read_reset_sources(void); |
110 | ||
e24c3573 | 111 | #endif |
69d88a00 | 112 | |
2bb2a5d3 | 113 | |
69d88a00 | 114 | #endif |