f0583578a1
o Digital Audio Multiplexer (AUDMUX) o Smart Direct Memory Access Controller (SDMA) o Synchronous Serial Interface (SSI) Disable by default as it depends on SDMA firmware. Sponsored by: Machdep, Inc.
57 lines
2.4 KiB
C
57 lines
2.4 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_CCMVAR_H
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#define IMX_CCMVAR_H
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/*
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* We need a clock management system that works across unrelated SoCs and
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* devices. For now, to keep imx development moving, define some barebones
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* functionality that can be shared within the imx family by having each SoC
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* implement functions with a common name.
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*
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* The usb enable functions are best-effort. They turn on the usb otg, host,
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* and phy clocks in a SoC-specific manner, but it may take a lot more than that
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* to make usb work on a given board. In particular, it can require specific
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* pinmux setup of gpio pins connected to external phy parts, voltage regulators
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* and overcurrent detectors, and so on. On such boards, u-boot or other early
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* board setup code has to handle those things.
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*/
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uint32_t imx_ccm_ipg_hz(void);
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uint32_t imx_ccm_perclk_hz(void);
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uint32_t imx_ccm_sdhci_hz(void);
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uint32_t imx_ccm_uart_hz(void);
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uint32_t imx_ccm_ahb_hz(void);
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void imx_ccm_usb_enable(device_t _usbdev);
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void imx_ccm_usbphy_enable(device_t _phydev);
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void imx_ccm_ssi_configure(device_t _ssidev);
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#endif
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