openwrt/package/linux/kernel-source/include/sbmemc.h

   1 /*
   2  * BCM47XX Sonics SiliconBackplane DDR/SDRAM controller core hardware definitions.
   3  *
   4  * Copyright 2004, Broadcom Corporation
   5  * All Rights Reserved.
   6  *
   7  * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8  * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9  * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10  * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11  *
  12  * $Id$
  13  */
  14
  15 #ifndef _SBMEMC_H
  16 #define _SBMEMC_H
  17
  18 #ifdef _LANGUAGE_ASSEMBLY
  19
  20 #define MEMC_CONTROL            0x00
  21 #define MEMC_CONFIG             0x04
  22 #define MEMC_REFRESH            0x08
  23 #define MEMC_BISTSTAT           0x0c
  24 #define MEMC_MODEBUF            0x10
  25 #define MEMC_BKCLS              0x14
  26 #define MEMC_PRIORINV           0x18
  27 #define MEMC_DRAMTIM            0x1c
  28 #define MEMC_INTSTAT            0x20
  29 #define MEMC_INTMASK            0x24
  30 #define MEMC_INTINFO            0x28
  31 #define MEMC_NCDLCTL            0x30
  32 #define MEMC_RDNCDLCOR          0x34
  33 #define MEMC_WRNCDLCOR          0x38
  34 #define MEMC_MISCDLYCTL         0x3c
  35 #define MEMC_DQSGATENCDL        0x40
  36 #define MEMC_SPARE              0x44
  37 #define MEMC_TPADDR             0x48
  38 #define MEMC_TPDATA             0x4c
  39 #define MEMC_BARRIER            0x50
  40 #define MEMC_CORE               0x54
  41
  42
  43 #else
  44
  45 /* Sonics side: MEMC core registers */
  46 typedef volatile struct sbmemcregs {
  47         uint32  control;
  48         uint32  config;
  49         uint32  refresh;
  50         uint32  biststat;
  51         uint32  modebuf;
  52         uint32  bkcls;
  53         uint32  priorinv;
  54         uint32  dramtim;
  55         uint32  intstat;
  56         uint32  intmask;
  57         uint32  intinfo;
  58         uint32  reserved1;
  59         uint32  ncdlctl;
  60         uint32  rdncdlcor;
  61         uint32  wrncdlcor;
  62         uint32  miscdlyctl;
  63         uint32  dqsgatencdl;
  64         uint32  spare;
  65         uint32  tpaddr;
  66         uint32  tpdata;
  67         uint32  barrier;
  68         uint32  core;
  69 } sbmemcregs_t;
  70
  71 #endif
  72
  73 /* MEMC Core Init values (OCP ID 0x80f) */
  74
  75 /* For sdr: */
  76 #define MEMC_SD_CONFIG_INIT     0x00048000
  77 #define MEMC_SD_DRAMTIM2_INIT   0x000754d8
  78 #define MEMC_SD_DRAMTIM3_INIT   0x000754da
  79 #define MEMC_SD_RDNCDLCOR_INIT  0x00000000
  80 #define MEMC_SD_WRNCDLCOR_INIT  0x49351200
  81 #define MEMC_SD1_WRNCDLCOR_INIT 0x14500200      /* For corerev 1 (4712) */
  82 #define MEMC_SD_MISCDLYCTL_INIT 0x00061c1b
  83 #define MEMC_SD1_MISCDLYCTL_INIT 0x00021416     /* For corerev 1 (4712) */
  84 #define MEMC_SD_CONTROL_INIT0   0x00000002
  85 #define MEMC_SD_CONTROL_INIT1   0x00000008
  86 #define MEMC_SD_CONTROL_INIT2   0x00000004
  87 #define MEMC_SD_CONTROL_INIT3   0x00000010
  88 #define MEMC_SD_CONTROL_INIT4   0x00000001
  89 #define MEMC_SD_MODEBUF_INIT    0x00000000
  90 #define MEMC_SD_REFRESH_INIT    0x0000840f
  91
  92
  93 /* This is for SDRM8X8X4 */
  94 #define MEMC_SDR_INIT           0x0008
  95 #define MEMC_SDR_MODE           0x32
  96 #define MEMC_SDR_NCDL           0x00020032
  97 #define MEMC_SDR1_NCDL          0x0002020f      /* For corerev 1 (4712) */
  98
  99 /* For ddr: */
 100 #define MEMC_CONFIG_INIT        0x00048000
 101 #define MEMC_DRAMTIM2_INIT      0x000754d8
 102 #define MEMC_DRAMTIM25_INIT     0x000754d9
 103 #define MEMC_RDNCDLCOR_INIT     0x00000000
 104 #define MEMC_WRNCDLCOR_INIT     0x49351200
 105 #define MEMC_1_WRNCDLCOR_INIT   0x14500200
 106 #define MEMC_DQSGATENCDL_INIT   0x00030000
 107 #define MEMC_MISCDLYCTL_INIT    0x21061c1b
 108 #define MEMC_1_MISCDLYCTL_INIT  0x21021400
 109 #define MEMC_NCDLCTL_INIT       0x00002001
 110 #define MEMC_CONTROL_INIT0      0x00000002
 111 #define MEMC_CONTROL_INIT1      0x00000008
 112 #define MEMC_MODEBUF_INIT0      0x00004000
 113 #define MEMC_CONTROL_INIT2      0x00000010
 114 #define MEMC_MODEBUF_INIT1      0x00000100
 115 #define MEMC_CONTROL_INIT3      0x00000010
 116 #define MEMC_CONTROL_INIT4      0x00000008
 117 #define MEMC_REFRESH_INIT       0x0000840f
 118 #define MEMC_CONTROL_INIT5      0x00000004
 119 #define MEMC_MODEBUF_INIT2      0x00000000
 120 #define MEMC_CONTROL_INIT6      0x00000010
 121 #define MEMC_CONTROL_INIT7      0x00000001
 122
 123
 124 /* This is for DDRM16X16X2 */
 125 #define MEMC_DDR_INIT           0x0009
 126 #define MEMC_DDR_MODE           0x62
 127 #define MEMC_DDR_NCDL           0x0005050a
 128 #define MEMC_DDR1_NCDL          0x00000a0a      /* For corerev 1 (4712) */
 129
 130 /* mask for sdr/ddr calibration registers */
 131 #define MEMC_RDNCDLCOR_RD_MASK  0x000000ff
 132 #define MEMC_WRNCDLCOR_WR_MASK  0x000000ff
 133 #define MEMC_DQSGATENCDL_G_MASK 0x000000ff
 134
 135 /* masks for miscdlyctl registers */
 136 #define MEMC_MISC_SM_MASK       0x30000000
 137 #define MEMC_MISC_SM_SHIFT      28
 138 #define MEMC_MISC_SD_MASK       0x0f000000
 139 #define MEMC_MISC_SD_SHIFT      24
 140
 141 /* hw threshhold for calculating wr/rd for sdr memc */
 142 #define MEMC_CD_THRESHOLD       128
 143
 144 /* Low bit of init register says if memc is ddr or sdr */
 145 #define MEMC_CONFIG_DDR         0x00000001
 146
 147 #endif  /* _SBMEMC_H */