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51 lines
2.3 KiB
C
51 lines
2.3 KiB
C
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/*
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* Copyright (C) 2015-2016, Intel Corporation. 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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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CPU_X86_DRIVERS_QUARKX1000_MSG_BUS_H_
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#define CPU_X86_DRIVERS_QUARKX1000_MSG_BUS_H_
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#include <stdint.h>
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/* Routines for accessing the message bus.
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*
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* The Intel Quark X1000 SoC includes a message bus that is accessible
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* via PCI configuration registers. It communicates to various SoC
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* components such as the Isolated Memory Region (IMR) registers and the
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* Remote Management Unit.
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*
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* Refer to Intel Quark SoC X1000 Datasheet, Section 12.5 for more details on
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* the message bus.
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*/
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void quarkX1000_msg_bus_read(uint8_t port, uint32_t reg_off, uint32_t *val);
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void quarkX1000_msg_bus_write(uint8_t port, uint32_t reg_off, uint32_t val);
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#endif /* CPU_X86_DRIVERS_QUARKX1000_MSG_BUS_H_ */
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