/* $NetBSD: imcsmb_reg.h,v 1.1 2018/03/01 04:45:06 pgoyette Exp $ */

/* $NetBSD: imcsmb_reg.h,v 1.1 2018/03/01 04:45:06 pgoyette Exp $ */

/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Goyette
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Authors: Joe Kloss; Ravi Pokala ([email protected])
*
* Copyright (c) 2017-2018 Panasas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef _DEV__IMCSMB__IMCSMB_REG_H_
#define _DEV__IMCSMB__IMCSMB_REG_H_

/* Intel (Sandy,Ivy)bridge and (Has,Broad)well CPUs have integrated memory
* controllers (iMCs), each of which having up to two SMBus controllers. They
* are programmed via sets of registers in the same PCI device, which are
* identical other than the register numbers.
*
* The full documentation for these registers can be found in volume two of the
* datasheets for the CPUs. Refer to the links in imcsmb_pci.c
*/

#define IMCSMB_REG_STATUS0 0x0180
#define IMCSMB_REG_STATUS1 0x0190
#define IMCSMB_STATUS_BUSY_BIT 0x10000000
#define IMCSMB_STATUS_BUS_ERROR_BIT 0x20000000
#define IMCSMB_STATUS_WRITE_DATA_DONE 0x40000000
#define IMCSMB_STATUS_READ_DATA_VALID 0x80000000

#define IMCSMB_REG_COMMAND0 0x0184
#define IMCSMB_REG_COMMAND1 0x0194
#define IMCSMB_CMD_WORD_ACCESS 0x20000000
#define IMCSMB_CMD_WRITE_BIT 0x08000000
#define IMCSMB_CMD_TRIGGER_BIT 0x80000000

#define IMCSMB_REG_CONTROL0 0x0188
#define IMCSMB_REG_CONTROL1 0x0198
#define IMCSMB_CNTL_POLL_EN 0x00000100
#define IMCSMB_CNTL_CLK_OVERRIDE 0x08000000
#define IMCSMB_CNTL_DTI_MASK 0xf0000000
#define IMCSMB_CNTL_WRITE_DISABLE_BIT 0x04000000

#endif /* _DEV__IMCSMB__IMCSMB_REG_H_ */