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