projects / people / ms / u-boot.git / blame
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1 | /* |
| 2 | * (C) Copyright 2010 | |
| 3 | * Marvell Semiconductor <www.marvell.com> | |
| 4 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> | |
| 5 | * | |
| 1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
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7 | */ |
| 8 | ||
| 9 | #ifndef __MVMFP_H | |
| 10 | #define __MVMFP_H | |
| 11 | ||
| 12 | /* | |
| 13 | * Header file for MultiFunctionPin (MFP) Configururation framework | |
| 14 | * | |
| 15 | * Processors Supported: | |
| 16 | * 1. Marvell ARMADA100 Processors | |
| 17 | * | |
| 18 | * processor to be supported should be added here | |
| 19 | */ | |
| 20 | ||
| 21 | /* | |
| 22 | * MFP configuration is represented by a 32-bit unsigned integer | |
| 23 | */ | |
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24 | #ifdef CONFIG_MVMFP_V2 |
| 25 | #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ | |
| 26 | /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ | |
| 27 | /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ | |
| 28 | /* bit 12..11 - Driver Strength */ (((_drv) & 0x3) << 11) | \ | |
| 29 | /* bits 10 - pad driver */ (((_slp) & 0x1) << 10) | \ | |
| 30 | /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ | |
| 31 | /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ | |
| 32 | /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ | |
| 33 | /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) | |
| 34 | #else | |
| 35 | #define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ | |
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36 | /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ |
| 37 | /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ | |
| 38 | /* bit 12 - Unused */ \ | |
| 39 | /* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \ | |
| ee4303cf | 40 | /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ |
| e5f495d1 | 41 | /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ |
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42 | /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ |
| 43 | /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) | |
| 44 | #endif | |
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45 | |
| 46 | /* | |
| 47 | * to facilitate the definition, the following macros are provided | |
| 48 | * | |
| 49 | * offset, pull,pF, drv,dF, edge,eF ,afn,aF | |
| 50 | */ | |
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51 | #define MFP_OFFSET_MASK MFP(0xffff, 0, 0, 0, 0, 0, 0) |
| 52 | #define MFP_REG(x) MFP(x, 0, 0, 0, 0, 0, 0) | |
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53 | #define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) |
| 54 | ||
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55 | #define MFP_AF0 MFP(0x0000, 0, 0, 0, 0, 0, 0) |
| 56 | #define MFP_AF1 MFP(0x0000, 0, 0, 0, 0, 0, 1) | |
| 57 | #define MFP_AF2 MFP(0x0000, 0, 0, 0, 0, 0, 2) | |
| 58 | #define MFP_AF3 MFP(0x0000, 0, 0, 0, 0, 0, 3) | |
| 59 | #define MFP_AF4 MFP(0x0000, 0, 0, 0, 0, 0, 4) | |
| 60 | #define MFP_AF5 MFP(0x0000, 0, 0, 0, 0, 0, 5) | |
| 61 | #define MFP_AF6 MFP(0x0000, 0, 0, 0, 0, 0, 6) | |
| 62 | #define MFP_AF7 MFP(0x0000, 0, 0, 0, 0, 0, 7) | |
| 63 | #define MFP_AF_MASK MFP(0x0000, 0, 0, 0, 0, 0, 7) | |
| 64 | ||
| 65 | #define MFP_SLEEP_CTRL2 MFP(0x0000, 0, 0, 0, 0, 1, 0) | |
| 66 | #define MFP_SLEEP_DIR MFP(0x0000, 0, 0, 0, 0, 2, 0) | |
| 67 | #define MFP_SLEEP_DATA MFP(0x0000, 0, 0, 0, 0, 4, 0) | |
| 68 | #define MFP_SLEEP_CTRL MFP(0x0000, 0, 0, 0, 0, 8, 0) | |
| 69 | #define MFP_SLEEP_MASK MFP(0x0000, 0, 0, 0, 0, 0xf, 0) | |
| e5f495d1 | 70 | |
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71 | #define MFP_LPM_EDGE_NONE MFP(0x0000, 0, 0, 0, 4, 0, 0) |
| 72 | #define MFP_LPM_EDGE_RISE MFP(0x0000, 0, 0, 0, 1, 0, 0) | |
| 73 | #define MFP_LPM_EDGE_FALL MFP(0x0000, 0, 0, 0, 2, 0, 0) | |
| 74 | #define MFP_LPM_EDGE_BOTH MFP(0x0000, 0, 0, 0, 3, 0, 0) | |
| 75 | #define MFP_LPM_EDGE_MASK MFP(0x0000, 0, 0, 0, 7, 0, 0) | |
| e5f495d1 | 76 | |
| ee4303cf | 77 | #define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0) |
| e5f495d1 | 78 | |
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79 | #define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0, 0, 0, 0, 0, 0) |
| 80 | #define MFP_DRIVE_SLOW MFP(0x0000, 0, 1, 0, 0, 0, 0) | |
| 81 | #define MFP_DRIVE_MEDIUM MFP(0x0000, 0, 2, 0, 0, 0, 0) | |
| 82 | #define MFP_DRIVE_FAST MFP(0x0000, 0, 3, 0, 0, 0, 0) | |
| 83 | #define MFP_DRIVE_MASK MFP(0x0000, 0, 3, 0, 0, 0, 0) | |
| e5f495d1 | 84 | |
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85 | #define MFP_PULL_NONE MFP(0x0000, 0, 0, 0, 0, 0, 0) |
| 86 | #define MFP_PULL_LOW MFP(0x0000, 5, 0, 0, 0, 0, 0) | |
| 87 | #define MFP_PULL_HIGH MFP(0x0000, 6, 0, 0, 0, 0, 0) | |
| 88 | #define MFP_PULL_BOTH MFP(0x0000, 7, 0, 0, 0, 0, 0) | |
| 89 | #define MFP_PULL_FLOAT MFP(0x0000, 4, 0, 0, 0, 0, 0) | |
| 90 | #define MFP_PULL_MASK MFP(0x0000, 7, 0, 0, 0, 0, 0) | |
| e5f495d1 | 91 | |
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92 | #define MFP_VALUE_MASK (MFP_PULL_MASK | MFP_DRIVE_MASK | MFP_SLP_DI \ |
| 93 | | MFP_LPM_EDGE_MASK | MFP_SLEEP_MASK \ | |
| 94 | | MFP_AF_MASK) | |
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95 | #define MFP_EOC 0xffffffff /* indicates end-of-conf */ |
| 96 | ||
| 97 | /* Functions */ | |
| 98 | void mfp_config(u32 *mfp_cfgs); | |
| 99 | ||
| 100 | #endif /* __MVMFP_H */ |