LXR uboot/include/mvmfp.h

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