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50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*-
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* Copyright (c) 2014 Ian Lepore <ian@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef IMX_IOMUXVAR_H
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#define IMX_IOMUXVAR_H
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/*
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* IOMUX interface functions
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*/
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void iomux_set_function(u_int pin, u_int fn);
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void iomux_set_pad(u_int pin, u_int cfg);
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u_int iomux_get_pad_config(u_int pin);
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/*
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* The IOMUX Controller device has a small set of "general purpose registers"
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* which control various aspects of SoC operation that really have nothing to do
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* with IO pin assignments or pad control. These functions let other soc level
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* code manipulate these values.
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*/
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uint32_t imx_iomux_gpr_get(u_int regnum);
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void imx_iomux_gpr_set(u_int regnum, uint32_t val);
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void imx_iomux_gpr_set_masked(u_int regnum, uint32_t clrbits, uint32_t setbits);
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#endif
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