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100 lines
4.2 KiB
C
100 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2010
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*/
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#ifndef __MVMFP_H
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#define __MVMFP_H
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/*
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* Header file for MultiFunctionPin (MFP) Configururation framework
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*
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* Processors Supported:
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* 1. Marvell ARMADA100 Processors
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*
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* processor to be supported should be added here
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*/
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/*
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* MFP configuration is represented by a 32-bit unsigned integer
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*/
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#ifdef CONFIG_MVMFP_V2
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#define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \
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/* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \
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/* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \
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/* bit 12..11 - Driver Strength */ (((_drv) & 0x3) << 11) | \
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/* bits 10 - pad driver */ (((_slp) & 0x1) << 10) | \
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/* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \
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/* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \
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/* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \
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/* bits 02..00 - Alt-fun select */ ((_afn) & 0x7))
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#else
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#define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \
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/* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \
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/* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \
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/* bit 12 - Unused */ \
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/* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \
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/* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \
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/* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \
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/* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \
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/* bits 02..00 - Alt-fun select */ ((_afn) & 0x7))
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#endif
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/*
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* to facilitate the definition, the following macros are provided
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*
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* offset, pull,pF, drv,dF, edge,eF ,afn,aF
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*/
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#define MFP_OFFSET_MASK MFP(0xffff, 0, 0, 0, 0, 0, 0)
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#define MFP_REG(x) MFP(x, 0, 0, 0, 0, 0, 0)
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#define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16)
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#define MFP_AF0 MFP(0x0000, 0, 0, 0, 0, 0, 0)
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#define MFP_AF1 MFP(0x0000, 0, 0, 0, 0, 0, 1)
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#define MFP_AF2 MFP(0x0000, 0, 0, 0, 0, 0, 2)
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#define MFP_AF3 MFP(0x0000, 0, 0, 0, 0, 0, 3)
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#define MFP_AF4 MFP(0x0000, 0, 0, 0, 0, 0, 4)
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#define MFP_AF5 MFP(0x0000, 0, 0, 0, 0, 0, 5)
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#define MFP_AF6 MFP(0x0000, 0, 0, 0, 0, 0, 6)
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#define MFP_AF7 MFP(0x0000, 0, 0, 0, 0, 0, 7)
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#define MFP_AF_MASK MFP(0x0000, 0, 0, 0, 0, 0, 7)
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#define MFP_SLEEP_CTRL2 MFP(0x0000, 0, 0, 0, 0, 1, 0)
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#define MFP_SLEEP_DIR MFP(0x0000, 0, 0, 0, 0, 2, 0)
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#define MFP_SLEEP_DATA MFP(0x0000, 0, 0, 0, 0, 4, 0)
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#define MFP_SLEEP_CTRL MFP(0x0000, 0, 0, 0, 0, 8, 0)
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#define MFP_SLEEP_MASK MFP(0x0000, 0, 0, 0, 0, 0xf, 0)
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#define MFP_LPM_EDGE_NONE MFP(0x0000, 0, 0, 0, 4, 0, 0)
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#define MFP_LPM_EDGE_RISE MFP(0x0000, 0, 0, 0, 1, 0, 0)
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#define MFP_LPM_EDGE_FALL MFP(0x0000, 0, 0, 0, 2, 0, 0)
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#define MFP_LPM_EDGE_BOTH MFP(0x0000, 0, 0, 0, 3, 0, 0)
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#define MFP_LPM_EDGE_MASK MFP(0x0000, 0, 0, 0, 7, 0, 0)
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#define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0)
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#define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0, 0, 0, 0, 0, 0)
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#define MFP_DRIVE_SLOW MFP(0x0000, 0, 1, 0, 0, 0, 0)
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#define MFP_DRIVE_MEDIUM MFP(0x0000, 0, 2, 0, 0, 0, 0)
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#define MFP_DRIVE_FAST MFP(0x0000, 0, 3, 0, 0, 0, 0)
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#define MFP_DRIVE_MASK MFP(0x0000, 0, 3, 0, 0, 0, 0)
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#define MFP_PULL_NONE MFP(0x0000, 0, 0, 0, 0, 0, 0)
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#define MFP_PULL_LOW MFP(0x0000, 5, 0, 0, 0, 0, 0)
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#define MFP_PULL_HIGH MFP(0x0000, 6, 0, 0, 0, 0, 0)
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#define MFP_PULL_BOTH MFP(0x0000, 7, 0, 0, 0, 0, 0)
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#define MFP_PULL_FLOAT MFP(0x0000, 4, 0, 0, 0, 0, 0)
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#define MFP_PULL_MASK MFP(0x0000, 7, 0, 0, 0, 0, 0)
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#define MFP_VALUE_MASK (MFP_PULL_MASK | MFP_DRIVE_MASK | MFP_SLP_DI \
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| MFP_LPM_EDGE_MASK | MFP_SLEEP_MASK \
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| MFP_AF_MASK)
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#define MFP_EOC 0xffffffff /* indicates end-of-conf */
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/* Functions */
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void mfp_config(u32 *mfp_cfgs);
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#endif /* __MVMFP_H */
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