mcamd.h revision 7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fe
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _MCAMD_H
#define _MCAMD_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <mcamd_api.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* PCI configuration space functions for the memory controller. Note that
* the function numbers here also serve as the mc_func indices in the mc_t.
*/
#define MC_FUNC_HTCONFIG 0 /* unused */
#define MC_FUNC_ADDRMAP 1
#define MC_FUNC_ADDRMAP_BINDNM "pci1022,1101"
#define MC_FUNC_DRAMCTL 2
#define MC_FUNC_DRAMCTL_BINDNM "pci1022,1102"
/*
* The memory controller driver attaches to several device nodes, but publishes
* a single minor node. We need to ensure that the minor node can be
* consistently mapped back to a single (and the same) device node, so we need
* to pick one to be used. We'll use the DRAM Controller device node, as it'll
* be the last to be attached.
*/
#define MC_FUNC_DEVIMAP MC_FUNC_DRAMCTL
#define MC_FUNC_NUM 3
/*
* The following define the offsets at which various MC registers are
* accessed in PCI config space. For defines describing the register
* structure see mc_amd.h.
*/
/*
* BKDG 3.29 section 3.4 - MC DRAM base and limit addresses, hole offset.
*/
/*
* BKDG 3.29 section 3.5 - DRAM contoller chip-select base, mask,
* DRAM bank address mapping, DRAM configuration.
*/
#define MC_DC_REG_BANKADDRMAP 0x80
#define MC_DC_REG_DRAMCFGLO 0x90
#define MC_DC_REG_DRAMCFGHI 0x94
typedef struct mc_func {
} mc_func_t;
/*
* Node types for mch_type below. These are used in array indexing.
*/
#define MC_NT_MC 0
#define MC_NT_CS 1
#define MC_NT_DIMM 2
#define MC_NT_NTYPES 3
typedef struct mc_hdr {
union {
} _mch_ptr;
} mc_hdr_t;
struct mc_dimm {
};
struct mc_cs {
};
typedef struct mc_props {
} mc_props_t;
struct mc {
const char *mc_revname; /* revision name string */
char *mc_snapshot; /* packed nvlist for libmc */
};
typedef struct mcamd_hdl {
int mcamd_errno;
int mcamd_debug;
} mcamd_hdl_t;
extern void mcamd_mkhdl(mcamd_hdl_t *);
extern void mcamd_mc_register(struct cpu *);
#ifdef __cplusplus
}
#endif
#endif /* _MCAMD_H */