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Diffstat (limited to 'include/mvmfp.h')
| -rw-r--r-- | include/mvmfp.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/include/mvmfp.h b/include/mvmfp.h new file mode 100644 index 0000000..16f2684 --- /dev/null +++ b/include/mvmfp.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2010 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.com> + */ + +#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 + */ +#ifdef CONFIG_MVMFP_V2 +#define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ + /* bits 31..16 - MFP Register Offset */ (((_off) & 0xffff) << 16) | \ + /* bits 15..13 - Run Mode Pull State */ (((_pull) & 0x7) << 13) | \ + /* bit 12..11 - Driver Strength */ (((_drv) & 0x3) << 11) | \ + /* bits 10 - pad driver */ (((_slp) & 0x1) << 10) | \ + /* bit 09..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ + /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ + /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ + /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) +#else +#define MFP(_off, _pull, _drv, _slp, _edge, _sleep, _afn) ( \ + /* 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..07 - sleep mode */ (((_sleep) & 0xe) << 6) | \ + /* bits 06..04 - Edge Detection */ (((_edge) & 0x7) << 4) | \ + /* bits 03 - sleep mode */ (((_sleep) & 0x1) << 3) | \ + /* bits 02..00 - Alt-fun select */ ((_afn) & 0x7)) +#endif + +/* + * 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) +#define MFP_REG(x) MFP(x, 0, 0, 0, 0, 0, 0) +#define MFP_REG_GET_OFFSET(x) ((x & MFP_OFFSET_MASK) >> 16) + +#define MFP_AF0 MFP(0x0000, 0, 0, 0, 0, 0, 0) +#define MFP_AF1 MFP(0x0000, 0, 0, 0, 0, 0, 1) +#define MFP_AF2 MFP(0x0000, 0, 0, 0, 0, 0, 2) +#define MFP_AF3 MFP(0x0000, 0, 0, 0, 0, 0, 3) +#define MFP_AF4 MFP(0x0000, 0, 0, 0, 0, 0, 4) +#define MFP_AF5 MFP(0x0000, 0, 0, 0, 0, 0, 5) +#define MFP_AF6 MFP(0x0000, 0, 0, 0, 0, 0, 6) +#define MFP_AF7 MFP(0x0000, 0, 0, 0, 0, 0, 7) +#define MFP_AF_MASK MFP(0x0000, 0, 0, 0, 0, 0, 7) + +#define MFP_SLEEP_CTRL2 MFP(0x0000, 0, 0, 0, 0, 1, 0) +#define MFP_SLEEP_DIR MFP(0x0000, 0, 0, 0, 0, 2, 0) +#define MFP_SLEEP_DATA MFP(0x0000, 0, 0, 0, 0, 4, 0) +#define MFP_SLEEP_CTRL MFP(0x0000, 0, 0, 0, 0, 8, 0) +#define MFP_SLEEP_MASK MFP(0x0000, 0, 0, 0, 0, 0xf, 0) + +#define MFP_LPM_EDGE_NONE MFP(0x0000, 0, 0, 0, 4, 0, 0) +#define MFP_LPM_EDGE_RISE MFP(0x0000, 0, 0, 0, 1, 0, 0) +#define MFP_LPM_EDGE_FALL MFP(0x0000, 0, 0, 0, 2, 0, 0) +#define MFP_LPM_EDGE_BOTH MFP(0x0000, 0, 0, 0, 3, 0, 0) +#define MFP_LPM_EDGE_MASK MFP(0x0000, 0, 0, 0, 7, 0, 0) + +#define MFP_SLP_DI MFP(0x0000, 0, 0, 1, 0, 0, 0) + +#define MFP_DRIVE_VERY_SLOW MFP(0x0000, 0, 0, 0, 0, 0, 0) +#define MFP_DRIVE_SLOW MFP(0x0000, 0, 1, 0, 0, 0, 0) +#define MFP_DRIVE_MEDIUM MFP(0x0000, 0, 2, 0, 0, 0, 0) +#define MFP_DRIVE_FAST MFP(0x0000, 0, 3, 0, 0, 0, 0) +#define MFP_DRIVE_MASK MFP(0x0000, 0, 3, 0, 0, 0, 0) + +#define MFP_PULL_NONE MFP(0x0000, 0, 0, 0, 0, 0, 0) +#define MFP_PULL_LOW MFP(0x0000, 5, 0, 0, 0, 0, 0) +#define MFP_PULL_HIGH MFP(0x0000, 6, 0, 0, 0, 0, 0) +#define MFP_PULL_BOTH MFP(0x0000, 7, 0, 0, 0, 0, 0) +#define MFP_PULL_FLOAT MFP(0x0000, 4, 0, 0, 0, 0, 0) +#define MFP_PULL_MASK MFP(0x0000, 7, 0, 0, 0, 0, 0) + +#define MFP_VALUE_MASK (MFP_PULL_MASK | MFP_DRIVE_MASK | MFP_SLP_DI \ + | MFP_LPM_EDGE_MASK | MFP_SLEEP_MASK \ + | MFP_AF_MASK) +#define MFP_EOC 0xffffffff /* indicates end-of-conf */ + +/* Functions */ +void mfp_config(u32 *mfp_cfgs); + +#endif /* __MVMFP_H */ |