dimm_addr.h revision 20c794b39650d115e17a15983b6b82e46238cf45
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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
* or http://www.opensolaris.org/os/licensing.
* 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DIMM_ADDR_H
#define _DIMM_ADDR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/* Map for memory address translation for each interleave */
struct rank_geometry {
uint8_t row[16]; /* Address bit associated with row bit */
uint8_t bank[3]; /* Address bit associated with bank bit */
uint8_t col[13]; /* Address bit associated with column bit */
uint8_t interleave[3]; /* Address bit associated with interleave bit */
};
struct dimm_geometry {
uint8_t row_nbits; /* number of row bits */
uint8_t col_nbits; /* number of column bits */
uint8_t bank_nbits; /* number of bank bits */
uint8_t width; /* width */
struct rank_geometry rank_geometry[4]; /* for interleave 1,2,4,8 */
} dimm_data[1];
int dimm_types = sizeof (dimm_data) / sizeof (struct dimm_geometry);
#ifdef __cplusplus
}
#endif
#endif /* _DIMM_ADDR_H */