iomuxc.h

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/** @defgroup VF6xx_iomuxc_defines IO MUX Controller Defines
 *
 * @brief <b>Defined Constants and Types for the VF6xx IO MUX Controller</b>
 *
 * @ingroup VF6xx_defines
 *
 * @version 1.0.0
 *
 * @author @htmlonly &copy; @endhtmlonly 2014
 * Stefan Agner <stefan@agner.ch>
 *
 * @date 03 July 2014
 *
 * LGPL License Terms @ref lgpl_license
 *  */
/*
 * This file is part of the libopencm3 project.
 *
 * Copyright (C) 2014 Stefan Agner <stefan@agner.ch>
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LIBOPENCM3_VF6XX_IOMUXC_H
#define LIBOPENCM3_VF6XX_IOMUXC_H
 
#include <libopencm3/cm3/common.h>
#include <libopencm3/vf6xx/memorymap.h>
 
/* --- Convenience macros -------------------------------------------------- */
 
/****************************************************************************/
/** @defgroup iomuxc_reg IO MUX Controller register
@ingroup VF6xx_iomuxc_defines
 
@{*/
#define IOMUXC(pad)                     MMIO32(IOMUXC_BASE + (0x4 * (pad)))
 
#define IOMUXC_PAD(mode, speed, dse, pus, flags) \
        ((IOMUXC_##mode) << IOMUXC_MUX_MODE_SHIFT | \
         (IOMUXC_##speed) << IOMUXC_SPEED_SHIFT | \
         (IOMUXC_##dse) << IOMUXC_DSE_SHIFT | \
         (IOMUXC_##pus) << IOMUXC_PUS_SHIFT | \
         (flags))
 
 
/* --- GPIO registers ------------------------------------------------------ */
 
#define IOMUXC_MUX_MODE_SHIFT           20
#define IOMUXC_MUX_MODE_MASK            (0x7 << 20)
#define IOMUXC_MUX_MODE_ALT0            0x0
#define IOMUXC_MUX_MODE_ALT1            0x1
#define IOMUXC_MUX_MODE_ALT2            0x2
#define IOMUXC_MUX_MODE_ALT3            0x3
#define IOMUXC_MUX_MODE_ALT4            0x4
#define IOMUXC_MUX_MODE_ALT5            0x5
#define IOMUXC_MUX_MODE_ALT6            0x6
#define IOMUXC_MUX_MODE_ALT7            0x7
#define IOMUXC_SPEED_SHIFT              12
#define IOMUXC_SPEED_MASK               (0x3 << 12)
#define IOMUXC_SPEED_LOW                0x0
#define IOMUXC_SPEED_MEDIUM             0x1
#define IOMUXC_SPEED_HIGH               0x3
#define IOMUXC_SRE                      (0x1 << 11)
#define IOMUXC_ODE                      (0x1 << 10)
#define IOMUXC_HYS                      (0x1 << 9)
#define IOMUXC_DSE_SHIFT                6
#define IOMUXC_DSE_MASK                 (0x7 << 6)
#define IOMUXC_DSE_OFF                  0x0
#define IOMUXC_DSE_150OHM               0x1
#define IOMUXC_DSE_75OHM                0x2
#define IOMUXC_DSE_50OHM                0x3
#define IOMUXC_DSE_37OHM                0x4
#define IOMUXC_DSE_30OHM                0x5
#define IOMUXC_DSE_25OHM                0x6
#define IOMUXC_DSE_20OHM                0x7
#define IOMUXC_PUS_SHIFT                4
#define IOMUXC_PUS_MASK                 (0x3 << 4)
#define IOMUXC_PUS_PD_100KOHM           0x0
#define IOMUXC_PUS_PU_47KOHM            0x1
#define IOMUXC_PUS_PU_100KOHM           0x2
#define IOMUXC_PUS_PU_22KOHM            0x3
#define IOMUXC_PKE                      (0x1 << 3)
#define IOMUXC_PUE                      (0x1 << 2)
#define IOMUXC_OBE                      (0x1 << 1)
#define IOMUXC_IBE                      (0x1 << 0)
 
 
/* --- Type definitions ---------------------------------------------------- */
/*---------------------------------------------------------------------------*/
/** @brief IO-MUX Pads
 
Pads available by the IO-MUX controller
*/
 
enum vf6xx_pad {
        PTA6,
        PTA8,
        PTA9,
        PTA10,
        PTA11,
        PTA12,
        PTA16,
        PTA17,
        PTA18,
        PTA19,
        PTA20,
        PTA21,
        PTA22,
        PTA23,
        PTA24,
        PTA25,
        PTA26,
        PTA27,
        PTA28,
        PTA29,
        PTA30,
        PTA31,
        PTB0,
        PTB1,
        PTB2,
        PTB3,
        PTB4,
        PTB5,
        PTB6,
        PTB7,
        PTB8,
        PTB9,
        PTB10,
        PTB11,
        PTB12,
        PTB13,
        PTB14,
        PTB15,
        PTB16,
        PTB17,
        PTB18,
        PTB19,
        PTB20,
        PTB21,
        PTB22,
        PTC0,
        PTC1,
        PTC2,
        PTC3,
        PTC4,
        PTC5,
        PTC6,
        PTC7,
        PTC8,
        PTC9,
        PTC10,
        PTC11,
        PTC12,
        PTC13,
        PTC14,
        PTC15,
        PTC16,
        PTC17,
        PTD31,
        PTD30,
        PTD29,
        PTD28,
        PTD27,
        PTD26,
        PTD25,
        PTD24,
        PTD23,
        PTD22,
        PTD21,
        PTD20,
        PTD19,
        PTD18,
        PTD17,
        PTD16,
        PTD0,
        PTD1,
        PTD2,
        PTD3,
        PTD4,
        PTD5,
        PTD6,
        PTD7,
        PTD8,
        PTD9,
        PTD10,
        PTD11,
        PTD12,
        PTD13,
        PTB23,
        PTB24,
        PTB25,
        PTB26,
        PTB27,
        PTB28,
        PTC26,
        PTC27,
        PTC28,
        PTC29,
        PTC30,
        PTC31,
        PTE0,
        PTE1,
        PTE2,
        PTE3,
        PTE4,
        PTE5,
        PTE6,
        PTE7,
        PTE8,
        PTE9,
        PTE10,
        PTE11,
        PTE12,
        PTE13,
        PTE14,
        PTE15,
        PTE16,
        PTE17,
        PTE18,
        PTE19,
        PTE20,
        PTE21,
        PTE22,
        PTE23,
        PTE24,
        PTE25,
        PTE26,
        PTE27,
        PTE28,
        PTA7,
};
 
 
/* --- Function prototypes ------------------------------------------------- */
 
#include <libopencm3/cm3/common.h>
 
BEGIN_DECLS
 
void iomuxc_mux(enum vf6xx_pad pad, uint32_t muxc);
 
END_DECLS
 
#endif