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 */ 105