+++ /dev/null
-/*
- * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
- * <armlinux@phytec.de>
- * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
-
-#ifndef __MACH_MXS_IOMUX_H__
-#define __MACH_MXS_IOMUX_H__
-
-/*
- * IOMUX/PAD Bit field definitions
- *
- * PAD_BANK: 0..2 (3)
- * PAD_PIN: 3..7 (5)
- * PAD_MUXSEL: 8..9 (2)
- * PAD_MA: 10..11 (2)
- * PAD_MA_VALID: 12 (1)
- * PAD_VOL: 13 (1)
- * PAD_VOL_VALID: 14 (1)
- * PAD_PULL: 15 (1)
- * PAD_PULL_VALID: 16 (1)
- * RESERVED: 17..31 (15)
- */
-typedef u32 iomux_cfg_t;
-
-#define MXS_PAD_BANK_SHIFT 0
-#define MXS_PAD_BANK_MASK ((iomux_cfg_t)0x7 << MXS_PAD_BANK_SHIFT)
-#define MXS_PAD_PIN_SHIFT 3
-#define MXS_PAD_PIN_MASK ((iomux_cfg_t)0x1f << MXS_PAD_PIN_SHIFT)
-#define MXS_PAD_MUXSEL_SHIFT 8
-#define MXS_PAD_MUXSEL_MASK ((iomux_cfg_t)0x3 << MXS_PAD_MUXSEL_SHIFT)
-#define MXS_PAD_MA_SHIFT 10
-#define MXS_PAD_MA_MASK ((iomux_cfg_t)0x3 << MXS_PAD_MA_SHIFT)
-#define MXS_PAD_MA_VALID_SHIFT 12
-#define MXS_PAD_MA_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_MA_VALID_SHIFT)
-#define MXS_PAD_VOL_SHIFT 13
-#define MXS_PAD_VOL_MASK ((iomux_cfg_t)0x1 << MXS_PAD_VOL_SHIFT)
-#define MXS_PAD_VOL_VALID_SHIFT 14
-#define MXS_PAD_VOL_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_VOL_VALID_SHIFT)
-#define MXS_PAD_PULL_SHIFT 15
-#define MXS_PAD_PULL_MASK ((iomux_cfg_t)0x1 << MXS_PAD_PULL_SHIFT)
-#define MXS_PAD_PULL_VALID_SHIFT 16
-#define MXS_PAD_PULL_VALID_MASK ((iomux_cfg_t)0x1 << MXS_PAD_PULL_VALID_SHIFT)
-
-#define PAD_MUXSEL_0 0
-#define PAD_MUXSEL_1 1
-#define PAD_MUXSEL_2 2
-#define PAD_MUXSEL_GPIO 3
-
-#define PAD_4MA 0
-#define PAD_8MA 1
-#define PAD_12MA 2
-#define PAD_16MA 3
-
-#define PAD_1V8 0
-#define PAD_3V3 1
-
-#define PAD_NOPULL 0
-#define PAD_PULLUP 1
-
-#define MXS_PAD_4MA ((PAD_4MA << MXS_PAD_MA_SHIFT) | \
- MXS_PAD_MA_VALID_MASK)
-#define MXS_PAD_8MA ((PAD_8MA << MXS_PAD_MA_SHIFT) | \
- MXS_PAD_MA_VALID_MASK)
-#define MXS_PAD_12MA ((PAD_12MA << MXS_PAD_MA_SHIFT) | \
- MXS_PAD_MA_VALID_MASK)
-#define MXS_PAD_16MA ((PAD_16MA << MXS_PAD_MA_SHIFT) | \
- MXS_PAD_MA_VALID_MASK)
-
-#define MXS_PAD_1V8 ((PAD_1V8 << MXS_PAD_VOL_SHIFT) | \
- MXS_PAD_VOL_VALID_MASK)
-#define MXS_PAD_3V3 ((PAD_3V3 << MXS_PAD_VOL_SHIFT) | \
- MXS_PAD_VOL_VALID_MASK)
-
-#define MXS_PAD_NOPULL ((PAD_NOPULL << MXS_PAD_PULL_SHIFT) | \
- MXS_PAD_PULL_VALID_MASK)
-#define MXS_PAD_PULLUP ((PAD_PULLUP << MXS_PAD_PULL_SHIFT) | \
- MXS_PAD_PULL_VALID_MASK)
-
-/* generic pad control used in most cases */
-#define MXS_PAD_CTRL (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL)
-
-#define MXS_IOMUX_PAD(_bank, _pin, _muxsel, _ma, _vol, _pull) \
- (((iomux_cfg_t)(_bank) << MXS_PAD_BANK_SHIFT) | \
- ((iomux_cfg_t)(_pin) << MXS_PAD_PIN_SHIFT) | \
- ((iomux_cfg_t)(_muxsel) << MXS_PAD_MUXSEL_SHIFT) | \
- ((iomux_cfg_t)(_ma) << MXS_PAD_MA_SHIFT) | \
- ((iomux_cfg_t)(_vol) << MXS_PAD_VOL_SHIFT) | \
- ((iomux_cfg_t)(_pull) << MXS_PAD_PULL_SHIFT))
-
-/*
- * A pad becomes naked, when none of mA, vol or pull
- * validity bits is set.
- */
-#define MXS_IOMUX_PAD_NAKED(_bank, _pin, _muxsel) \
- MXS_IOMUX_PAD(_bank, _pin, _muxsel, 0, 0, 0)
-
-static inline unsigned int PAD_BANK(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_BANK_MASK) >> MXS_PAD_BANK_SHIFT;
-}
-
-static inline unsigned int PAD_PIN(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_PIN_MASK) >> MXS_PAD_PIN_SHIFT;
-}
-
-static inline unsigned int PAD_MUXSEL(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_MUXSEL_MASK) >> MXS_PAD_MUXSEL_SHIFT;
-}
-
-static inline unsigned int PAD_MA(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_MA_MASK) >> MXS_PAD_MA_SHIFT;
-}
-
-static inline unsigned int PAD_MA_VALID(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_MA_VALID_MASK) >> MXS_PAD_MA_VALID_SHIFT;
-}
-
-static inline unsigned int PAD_VOL(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_VOL_MASK) >> MXS_PAD_VOL_SHIFT;
-}
-
-static inline unsigned int PAD_VOL_VALID(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_VOL_VALID_MASK) >> MXS_PAD_VOL_VALID_SHIFT;
-}
-
-static inline unsigned int PAD_PULL(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_PULL_MASK) >> MXS_PAD_PULL_SHIFT;
-}
-
-static inline unsigned int PAD_PULL_VALID(iomux_cfg_t pad)
-{
- return (pad & MXS_PAD_PULL_VALID_MASK) >> MXS_PAD_PULL_VALID_SHIFT;
-}
-
-/*
- * configures a single pad in the iomuxer
- */
-int mxs_iomux_setup_pad(iomux_cfg_t pad);
-
-/*
- * configures multiple pads
- * convenient way to call the above function with tables
- */
-int mxs_iomux_setup_multiple_pads(const iomux_cfg_t *pad_list, unsigned count);
-
-#endif /* __MACH_MXS_IOMUX_H__*/
projects / karo-tx-uboot.git / blobdiff