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1 | /* |
2 | * exynos_ppmu.h - EXYNOS PPMU header file | |
3 | * | |
4 | * Copyright (c) 2015 Samsung Electronics Co., Ltd. | |
5 | * Author : Chanwoo Choi <cw00.choi@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
12 | #ifndef __EXYNOS_PPMU_H__ | |
13 | #define __EXYNOS_PPMU_H__ | |
14 | ||
15 | enum ppmu_state { | |
16 | PPMU_DISABLE = 0, | |
17 | PPMU_ENABLE, | |
18 | }; | |
19 | ||
20 | enum ppmu_counter { | |
21 | PPMU_PMNCNT0 = 0, | |
22 | PPMU_PMNCNT1, | |
23 | PPMU_PMNCNT2, | |
24 | PPMU_PMNCNT3, | |
25 | ||
26 | PPMU_PMNCNT_MAX, | |
27 | }; | |
28 | ||
29 | enum ppmu_event_type { | |
30 | PPMU_RO_BUSY_CYCLE_CNT = 0x0, | |
31 | PPMU_WO_BUSY_CYCLE_CNT = 0x1, | |
32 | PPMU_RW_BUSY_CYCLE_CNT = 0x2, | |
33 | PPMU_RO_REQUEST_CNT = 0x3, | |
34 | PPMU_WO_REQUEST_CNT = 0x4, | |
35 | PPMU_RO_DATA_CNT = 0x5, | |
36 | PPMU_WO_DATA_CNT = 0x6, | |
37 | PPMU_RO_LATENCY = 0x12, | |
38 | PPMU_WO_LATENCY = 0x16, | |
39 | }; | |
40 | ||
41 | enum ppmu_reg { | |
42 | /* PPC control register */ | |
43 | PPMU_PMNC = 0x00, | |
44 | PPMU_CNTENS = 0x10, | |
45 | PPMU_CNTENC = 0x20, | |
46 | PPMU_INTENS = 0x30, | |
47 | PPMU_INTENC = 0x40, | |
48 | PPMU_FLAG = 0x50, | |
49 | ||
50 | /* Cycle Counter and Performance Event Counter Register */ | |
51 | PPMU_CCNT = 0x100, | |
52 | PPMU_PMCNT0 = 0x110, | |
53 | PPMU_PMCNT1 = 0x120, | |
54 | PPMU_PMCNT2 = 0x130, | |
55 | PPMU_PMCNT3_HIGH = 0x140, | |
56 | PPMU_PMCNT3_LOW = 0x150, | |
57 | ||
58 | /* Bus Event Generator */ | |
59 | PPMU_BEVT0SEL = 0x1000, | |
60 | PPMU_BEVT1SEL = 0x1100, | |
61 | PPMU_BEVT2SEL = 0x1200, | |
62 | PPMU_BEVT3SEL = 0x1300, | |
63 | PPMU_COUNTER_RESET = 0x1810, | |
64 | PPMU_READ_OVERFLOW_CNT = 0x1810, | |
65 | PPMU_READ_UNDERFLOW_CNT = 0x1814, | |
66 | PPMU_WRITE_OVERFLOW_CNT = 0x1850, | |
67 | PPMU_WRITE_UNDERFLOW_CNT = 0x1854, | |
68 | PPMU_READ_PENDING_CNT = 0x1880, | |
69 | PPMU_WRITE_PENDING_CNT = 0x1884 | |
70 | }; | |
71 | ||
72 | /* PMNC register */ | |
73 | #define PPMU_PMNC_CC_RESET_SHIFT 2 | |
74 | #define PPMU_PMNC_COUNTER_RESET_SHIFT 1 | |
75 | #define PPMU_PMNC_ENABLE_SHIFT 0 | |
76 | #define PPMU_PMNC_START_MODE_MASK BIT(16) | |
77 | #define PPMU_PMNC_CC_DIVIDER_MASK BIT(3) | |
78 | #define PPMU_PMNC_CC_RESET_MASK BIT(2) | |
79 | #define PPMU_PMNC_COUNTER_RESET_MASK BIT(1) | |
80 | #define PPMU_PMNC_ENABLE_MASK BIT(0) | |
81 | ||
82 | /* CNTENS/CNTENC/INTENS/INTENC/FLAG register */ | |
83 | #define PPMU_CCNT_MASK BIT(31) | |
84 | #define PPMU_PMCNT3_MASK BIT(3) | |
85 | #define PPMU_PMCNT2_MASK BIT(2) | |
86 | #define PPMU_PMCNT1_MASK BIT(1) | |
87 | #define PPMU_PMCNT0_MASK BIT(0) | |
88 | ||
89 | /* PPMU_PMNCTx/PPMU_BETxSEL registers */ | |
90 | #define PPMU_PMNCT(x) (PPMU_PMCNT0 + (0x10 * x)) | |
91 | #define PPMU_BEVTxSEL(x) (PPMU_BEVT0SEL + (0x100 * x)) | |
92 | ||
93 | #endif /* __EXYNOS_PPMU_H__ */ |