mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
84 lines
3.4 KiB
C
84 lines
3.4 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Marvell Semiconductor <www.marvell.com>
|
|
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __MVMFP_H
|
|
#define __MVMFP_H
|
|
|
|
/*
|
|
* Header file for MultiFunctionPin (MFP) Configururation framework
|
|
*
|
|
* Processors Supported:
|
|
* 1. Marvell ARMADA100 Processors
|
|
*
|
|
* processor to be supported should be added here
|
|
*/
|
|
|
|
/*
|
|
* MFP configuration is represented by a 32-bit unsigned integer
|
|
*/
|
|
#define MFP(_off, _pull, _pF, _drv, _dF, _edge, _eF, _afn, _aF) ( \
|
|
/* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \
|
|
/* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \
|
|
/* bit 12 - Unused */ \
|
|
/* bits 11..10 - Driver Strength */ (((_drv) & 0x3) << 10) | \
|
|
/* bit 09 - Pull State flag */ (((_pF) & 0x1) << 9) | \
|
|
/* bit 08 - Drv-strength flag */ (((_dF) & 0x1) << 8) | \
|
|
/* bit 07 - Edge-det flag */ (((_eF) & 0x1) << 7) | \
|
|
/* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \
|
|
/* bits 03..00 - Alt-fun flag */ (((_aF) & 0x1) << 3) | \
|
|
/* bits Alternate-fun select */ ((_afn) & 0x7))
|
|
|
|
/*
|
|
* to facilitate the definition, the following macros are provided
|
|
*
|
|
* offset, pull,pF, drv,dF, edge,eF ,afn,aF
|
|
*/
|
|
#define MFP_OFFSET_MASK MFP(0xffff, 0,0, 0,0, 0,0, 0,0)
|
|
#define MFP_REG(x) MFP(x, 0,0, 0,0, 0,0, 0,0)
|
|
#define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16)
|
|
|
|
#define MFP_AF_FLAG MFP(0x0000, 0,0, 0,0, 0,0, 0,1)
|
|
#define MFP_DRIVE_FLAG MFP(0x0000, 0,0, 0,1, 0,0, 0,0)
|
|
#define MFP_EDGE_FLAG MFP(0x0000, 0,0, 0,0, 0,1, 0,0)
|
|
#define MFP_PULL_FLAG MFP(0x0000, 0,1, 0,0, 0,0, 0,0)
|
|
|
|
#define MFP_AF0 MFP(0x0000, 0,0, 0,0, 0,0, 0,1)
|
|
#define MFP_AF1 MFP(0x0000, 0,0, 0,0, 0,0, 1,1)
|
|
#define MFP_AF2 MFP(0x0000, 0,0, 0,0, 0,0, 2,1)
|
|
#define MFP_AF3 MFP(0x0000, 0,0, 0,0, 0,0, 3,1)
|
|
#define MFP_AF4 MFP(0x0000, 0,0, 0,0, 0,0, 4,1)
|
|
#define MFP_AF5 MFP(0x0000, 0,0, 0,0, 0,0, 5,1)
|
|
#define MFP_AF6 MFP(0x0000, 0,0, 0,0, 0,0, 6,1)
|
|
#define MFP_AF7 MFP(0x0000, 0,0, 0,0, 0,0, 7,1)
|
|
#define MFP_AF_MASK MFP(0x0000, 0,0, 0,0, 0,0, 7,0)
|
|
|
|
#define MFP_LPM_EDGE_NONE MFP(0x0000, 0,0, 0,0, 0,1, 0,0)
|
|
#define MFP_LPM_EDGE_RISE MFP(0x0000, 0,0, 0,0, 1,1, 0,0)
|
|
#define MFP_LPM_EDGE_FALL MFP(0x0000, 0,0, 0,0, 2,1, 0,0)
|
|
#define MFP_LPM_EDGE_BOTH MFP(0x0000, 0,0, 0,0, 3,1, 0,0)
|
|
#define MFP_LPM_EDGE_MASK MFP(0x0000, 0,0, 0,0, 3,0, 0,0)
|
|
|
|
#define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0,0, 0,1, 0,0, 0,0)
|
|
#define MFP_DRIVE_SLOW MFP(0x0000, 0,0, 1,1, 0,0, 0,0)
|
|
#define MFP_DRIVE_MEDIUM MFP(0x0000, 0,0, 2,1, 0,0, 0,0)
|
|
#define MFP_DRIVE_FAST MFP(0x0000, 0,0, 3,1, 0,0, 0,0)
|
|
#define MFP_DRIVE_MASK MFP(0x0000, 0,0, 3,0, 0,0, 0,0)
|
|
|
|
#define MFP_PULL_NONE MFP(0x0000, 0,1, 0,0, 0,0, 0,0)
|
|
#define MFP_PULL_LOW MFP(0x0000, 1,1, 0,0, 0,0, 0,0)
|
|
#define MFP_PULL_HIGH MFP(0x0000, 2,1, 0,0, 0,0, 0,0)
|
|
#define MFP_PULL_BOTH MFP(0x0000, 3,1, 0,0, 0,0, 0,0)
|
|
#define MFP_PULL_FLOAT MFP(0x0000, 4,1, 0,0, 0,0, 0,0)
|
|
#define MFP_PULL_MASK MFP(0x0000, 7,0, 0,0, 0,0, 0,0)
|
|
|
|
#define MFP_EOC 0xffffffff /* indicates end-of-conf */
|
|
|
|
/* Functions */
|
|
void mfp_config(u32 *mfp_cfgs);
|
|
|
|
#endif /* __MVMFP_H */
|