usr/src/common/mc/mc-amd/mcamd_rowcol_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  *
  21  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  22  * Use is subject to license terms.
  23  */
  24
  25 #ifndef _MCAMD_ROWCOL_IMPL_H
  26 #define _MCAMD_ROWCOL_IMPL_H
  27
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 #include <mcamd_api.h>
  31 #include <sys/mc_amd.h>
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 #define MC_PC_COLADDRBIT        10      /* col address bit used for precharge */
  38 #define MC_PC_ALL               -1      /* marker used in tables */
  39
  40 #define MC_CS_SCALE             (1024 * 1024)
  41 #define MC_CS_SIZE(bam, width) \
  42         ((size_t)bam->bam_sizemb * MC_CS_SCALE * ((width) == 128 ? 2 : 1))
  43
  44 #define MC_CS_MODE(csbmap, csnum) \
  45         (csbmap >> MC_CHIP_DIMMPAIR(csnum) * MC_DC_BAM_CSBANK_SHIFT & \
  46         MC_DC_BAM_CSBANK_MASK)
  47
  48 #define BIT(val, num) ((val) & 1ULL << num)
  49
  50 #define BITS(val, high, low) \
  51         ((val) & (((2ULL << (high)) - 1) & ~((1ULL << (low)) - 1)))
  52
  53 #define SETBIT(var, num) (var |= (1ULL << (num)))
  54
  55 #define BITVAL(var, num) ((BIT(var, num) >> (num)) & 1ULL)
  56
  57 #define MC_RC_ROW_MAX           16      /* maximum number of row address bits */
  58 #define MC_RC_COL_MAX           12      /* maximum number of col address bits */
  59 #define MC_RC_BANKBITS_MAX      3       /* number of internal banksel bits */
  60 #define MC_RC_CSMODES           16      /* max number of cs bankaddr modes */
  61 #define MC_RC_SWZLBITS          2       /* number of row bits in swizzle */
  62
  63 struct rct_bnkaddrmode {
  64         int bam_sizemb;                 /* DIMM size in MB */
  65         int bam_nrows;                  /* number of row address bits */
  66         int bam_ncols;                  /* number of column address bits */
  67         int bam_ambig;                  /* numbers are maximums; keep last */
  68 };
  69
  70 struct rct_rcbmap {
  71         int rcb_nbankbits;                      /* # of bank address bits */
  72         int rcb_bankbit[MC_RC_BANKBITS_MAX];    /* bank address bits */
  73         int rcb_rowbit[MC_RC_ROW_MAX];
  74         int rcb_colbit[MC_RC_COL_MAX + 1];      /* one for MC_PC_ALL */
  75 };
  76
  77 struct rct_bnkswzlinfo {
  78         int bswz_rowbits[MC_RC_BANKBITS_MAX][MC_RC_SWZLBITS];
  79 };
  80
  81 struct rct_csintlv {
  82         int csi_factor;                 /* cs interleave factor */
  83         int csi_hibit;                  /* first non-offset bit in addr */
  84         int csi_lobit;                  /* first row bit in addr */
  85         int csi_nbits;                  /* number of bits to swap in mask */
  86 };
  87
  88 #define MC_RC_CSI_SWAPPED_BIT(csidp, n)                         \
  89         (csidp->csi_factor && n >= csidp->csi_lobit &&          \
  90         n <= csidp->csi_lobit + csidp->csi_nbits - 1)
  91
  92 #define MC_RC_CSI_BITSWAP(csidp, n)                             \
  93         (csidp->csi_hibit + n - csidp->csi_lobit)
  94
  95 extern const struct rct_bnkaddrmode *rct_bnkaddrmode(uint_t, uint_t);
  96 extern const struct rct_rcbmap *rct_rcbmap(uint_t, int, uint_t);
  97 extern const struct rct_bnkswzlinfo *rct_bnkswzlinfo(uint_t, int);
  98 extern void rct_csintlv_bits(uint_t, int, uint_t, int, struct rct_csintlv *);
  99
 100 #ifdef __cplusplus
 101 }
 102 #endif
 103
 104 #endif /* _MCAMD_ROWCOL_IMPL_H */