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 #include <mcamd_api.h> 29 #include <sys/mc_amd.h> 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #define MC_PC_COLADDRBIT 10 /* col address bit used for precharge */ 36 #define MC_PC_ALL -1 /* marker used in tables */ 37 38 #define MC_CS_SCALE (1024 * 1024) 39 #define MC_CS_SIZE(bam, width) \ 40 ((size_t)bam->bam_sizemb * MC_CS_SCALE * ((width) == 128 ? 2 : 1)) 41 42 #define MC_CS_MODE(csbmap, csnum) \ 43 (csbmap >> MC_CHIP_DIMMPAIR(csnum) * MC_DC_BAM_CSBANK_SHIFT & \ 44 MC_DC_BAM_CSBANK_MASK) 45 46 #define BIT(val, num) ((val) & 1ULL << num) 47 48 #define BITS(val, high, low) \ 49 ((val) & (((2ULL << (high)) - 1) & ~((1ULL << (low)) - 1))) 50 51 #define SETBIT(var, num) (var |= (1ULL << (num))) 52 53 #define BITVAL(var, num) ((BIT(var, num) >> (num)) & 1ULL) 54 55 #define MC_RC_ROW_MAX 16 /* maximum number of row address bits */ 56 #define MC_RC_COL_MAX 12 /* maximum number of col address bits */ 57 #define MC_RC_BANKBITS_MAX 3 /* number of internal banksel bits */ 58 #define MC_RC_CSMODES 16 /* max number of cs bankaddr modes */ 59 #define MC_RC_SWZLBITS 2 /* number of row bits in swizzle */ 60 61 struct rct_bnkaddrmode { 62 int bam_sizemb; /* DIMM size in MB */ 63 int bam_nrows; /* number of row address bits */ 64 int bam_ncols; /* number of column address bits */ 65 int bam_ambig; /* numbers are maximums; keep last */ 66 }; 67 68 struct rct_rcbmap { 69 int rcb_nbankbits; /* # of bank address bits */ 70 int rcb_bankbit[MC_RC_BANKBITS_MAX]; /* bank address bits */ 71 int rcb_rowbit[MC_RC_ROW_MAX]; 72 int rcb_colbit[MC_RC_COL_MAX + 1]; /* one for MC_PC_ALL */ 73 }; 74 75 struct rct_bnkswzlinfo { 76 int bswz_rowbits[MC_RC_BANKBITS_MAX][MC_RC_SWZLBITS]; 77 }; 78 79 struct rct_csintlv { 80 int csi_factor; /* cs interleave factor */ 81 int csi_hibit; /* first non-offset bit in addr */ 82 int csi_lobit; /* first row bit in addr */ 83 int csi_nbits; /* number of bits to swap in mask */ 84 }; 85 86 #define MC_RC_CSI_SWAPPED_BIT(csidp, n) \ 87 (csidp->csi_factor && n >= csidp->csi_lobit && \ 88 n <= csidp->csi_lobit + csidp->csi_nbits - 1) 89 90 #define MC_RC_CSI_BITSWAP(csidp, n) \ 91 (csidp->csi_hibit + n - csidp->csi_lobit) 92 93 extern const struct rct_bnkaddrmode *rct_bnkaddrmode(uint_t, uint_t); 94 extern const struct rct_rcbmap *rct_rcbmap(uint_t, int, uint_t); 95 extern const struct rct_bnkswzlinfo *rct_bnkswzlinfo(uint_t, int); 96 extern void rct_csintlv_bits(uint_t, int, uint_t, int, struct rct_csintlv *); 97 98 #ifdef __cplusplus 99 } 100 #endif 101 102 #endif /* _MCAMD_ROWCOL_IMPL_H */ 103