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      1 /* $NetBSD: imcsmb_reg.h,v 1.1 2018/03/01 04:45:06 pgoyette Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Goyette
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*-
     33  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
     34  *
     35  * Authors: Joe Kloss; Ravi Pokala (rpokala (at) freebsd.org)
     36  *
     37  * Copyright (c) 2017-2018 Panasas
     38  * All rights reserved.
     39  *
     40  * Redistribution and use in source and binary forms, with or without
     41  * modification, are permitted provided that the following conditions
     42  * are met:
     43  * 1. Redistributions of source code must retain the above copyright
     44  *    notice, this list of conditions and the following disclaimer.
     45  * 2. Redistributions in binary form must reproduce the above copyright
     46  *    notice, this list of conditions and the following disclaimer in the
     47  *    documentation and/or other materials provided with the distribution.
     48  *
     49  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     59  * SUCH DAMAGE.
     60  */
     61 
     62 #ifndef _DEV__IMCSMB__IMCSMB_REG_H_
     63 #define _DEV__IMCSMB__IMCSMB_REG_H_
     64 
     65 /* Intel (Sandy,Ivy)bridge and (Has,Broad)well CPUs have integrated memory
     66  * controllers (iMCs), each of which having up to two SMBus controllers. They
     67  * are programmed via sets of registers in the same PCI device, which are
     68  * identical other than the register numbers.
     69  *
     70  * The full documentation for these registers can be found in volume two of the
     71  * datasheets for the CPUs. Refer to the links in imcsmb_pci.c
     72  */
     73 
     74 #define	IMCSMB_REG_STATUS0			0x0180
     75 #define	IMCSMB_REG_STATUS1			0x0190
     76 #define		IMCSMB_STATUS_BUSY_BIT		0x10000000
     77 #define		IMCSMB_STATUS_BUS_ERROR_BIT	0x20000000
     78 #define		IMCSMB_STATUS_WRITE_DATA_DONE	0x40000000
     79 #define		IMCSMB_STATUS_READ_DATA_VALID	0x80000000
     80 
     81 #define	IMCSMB_REG_COMMAND0			0x0184
     82 #define	IMCSMB_REG_COMMAND1			0x0194
     83 #define		IMCSMB_CMD_WORD_ACCESS		0x20000000
     84 #define		IMCSMB_CMD_WRITE_BIT		0x08000000
     85 #define		IMCSMB_CMD_TRIGGER_BIT		0x80000000
     86 
     87 #define	IMCSMB_REG_CONTROL0			0x0188
     88 #define	IMCSMB_REG_CONTROL1			0x0198
     89 #define		IMCSMB_CNTL_POLL_EN		0x00000100
     90 #define		IMCSMB_CNTL_CLK_OVERRIDE	0x08000000
     91 #define		IMCSMB_CNTL_DTI_MASK		0xf0000000
     92 #define		IMCSMB_CNTL_WRITE_DISABLE_BIT	0x04000000
     93 
     94 #endif /* _DEV__IMCSMB__IMCSMB_REG_H_ */
     95