linux/arch/sparc/include/asm/chmctrl.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _SPARC64_CHMCTRL_H
   3#define _SPARC64_CHMCTRL_H
   4
   5/* Cheetah memory controller programmable registers. */
   6#define CHMCTRL_TCTRL1          0x00 /* Memory Timing Control I         */
   7#define CHMCTRL_TCTRL2          0x08 /* Memory Timing Control II        */
   8#define CHMCTRL_TCTRL3          0x38 /* Memory Timing Control III       */
   9#define CHMCTRL_TCTRL4          0x40 /* Memory Timing Control IV        */
  10#define CHMCTRL_DECODE1         0x10 /* Memory Address Decode I         */
  11#define CHMCTRL_DECODE2         0x18 /* Memory Address Decode II        */
  12#define CHMCTRL_DECODE3         0x20 /* Memory Address Decode III       */
  13#define CHMCTRL_DECODE4         0x28 /* Memory Address Decode IV        */
  14#define CHMCTRL_MACTRL          0x30 /* Memory Address Control          */
  15
  16/* Memory Timing Control I */
  17#define TCTRL1_SDRAMCTL_DLY     0xf000000000000000UL
  18#define TCTRL1_SDRAMCTL_DLY_SHIFT     60
  19#define TCTRL1_SDRAMCLK_DLY     0x0e00000000000000UL
  20#define TCTRL1_SDRAMCLK_DLY_SHIFT     57
  21#define TCTRL1_R                0x0100000000000000UL
  22#define TCTRL1_R_SHIFT                56
  23#define TCTRL1_AUTORFR_CYCLE    0x00fe000000000000UL
  24#define TCTRL1_AUTORFR_CYCLE_SHIFT    49
  25#define TCTRL1_RD_WAIT          0x0001f00000000000UL
  26#define TCTRL1_RD_WAIT_SHIFT          44
  27#define TCTRL1_PC_CYCLE         0x00000fc000000000UL
  28#define TCTRL1_PC_CYCLE_SHIFT         38
  29#define TCTRL1_WR_MORE_RAS_PW   0x0000003f00000000UL
  30#define TCTRL1_WR_MORE_RAS_PW_SHIFT   32
  31#define TCTRL1_RD_MORE_RAW_PW   0x00000000fc000000UL
  32#define TCTRL1_RD_MORE_RAS_PW_SHIFT   26
  33#define TCTRL1_ACT_WR_DLY       0x0000000003f00000UL
  34#define TCTRL1_ACT_WR_DLY_SHIFT       20
  35#define TCTRL1_ACT_RD_DLY       0x00000000000fc000UL
  36#define TCTRL1_ACT_RD_DLY_SHIFT       14
  37#define TCTRL1_BANK_PRESENT     0x0000000000003000UL
  38#define TCTRL1_BANK_PRESENT_SHIFT     12
  39#define TCTRL1_RFR_INT          0x0000000000000ff8UL
  40#define TCTRL1_RFR_INT_SHIFT          3
  41#define TCTRL1_SET_MODE_REG     0x0000000000000004UL
  42#define TCTRL1_SET_MODE_REG_SHIFT     2
  43#define TCTRL1_RFR_ENABLE       0x0000000000000002UL
  44#define TCTRL1_RFR_ENABLE_SHIFT       1
  45#define TCTRL1_PRECHG_ALL       0x0000000000000001UL
  46#define TCTRL1_PRECHG_ALL_SHIFT       0
  47
  48/* Memory Timing Control II */
  49#define TCTRL2_WR_MSEL_DLY      0xfc00000000000000UL
  50#define TCTRL2_WR_MSEL_DLY_SHIFT      58
  51#define TCTRL2_RD_MSEL_DLY      0x03f0000000000000UL
  52#define TCTRL2_RD_MSEL_DLY_SHIFT      52
  53#define TCTRL2_WRDATA_THLD      0x000c000000000000UL
  54#define TCTRL2_WRDATA_THLD_SHIFT      50
  55#define TCTRL2_RDWR_RD_TI_DLY   0x0003f00000000000UL
  56#define TCTRL2_RDWR_RD_TI_DLY_SHIFT   44
  57#define TCTRL2_AUTOPRECHG_ENBL  0x0000080000000000UL
  58#define TCTRL2_AUTOPRECHG_ENBL_SHIFT  43
  59#define TCTRL2_RDWR_PI_MORE_DLY 0x000007c000000000UL
  60#define TCTRL2_RDWR_PI_MORE_DLY_SHIFT 38
  61#define TCTRL2_RDWR_1_DLY       0x0000003f00000000UL
  62#define TCTRL2_RDWR_1_DLY_SHIFT       32
  63#define TCTRL2_WRWR_PI_MORE_DLY 0x00000000f8000000UL
  64#define TCTRL2_WRWR_PI_MORE_DLY_SHIFT 27
  65#define TCTRL2_WRWR_1_DLY       0x0000000007e00000UL
  66#define TCTRL2_WRWR_1_DLY_SHIFT       21
  67#define TCTRL2_RDWR_RD_PI_MORE_DLY 0x00000000001f0000UL
  68#define TCTRL2_RDWR_RD_PI_MORE_DLY_SHIFT 16
  69#define TCTRL2_R                0x0000000000008000UL
  70#define TCTRL2_R_SHIFT                15
  71#define TCTRL2_SDRAM_MODE_REG_DATA 0x0000000000007fffUL
  72#define TCTRL2_SDRAM_MODE_REG_DATA_SHIFT 0
  73
  74/* Memory Timing Control III */
  75#define TCTRL3_SDRAM_CTL_DLY    0xf000000000000000UL
  76#define TCTRL3_SDRAM_CTL_DLY_SHIFT    60
  77#define TCTRL3_SDRAM_CLK_DLY    0x0e00000000000000UL
  78#define TCTRL3_SDRAM_CLK_DLY_SHIFT    57
  79#define TCTRL3_R                0x0100000000000000UL
  80#define TCTRL3_R_SHIFT                56
  81#define TCTRL3_AUTO_RFR_CYCLE   0x00fe000000000000UL
  82#define TCTRL3_AUTO_RFR_CYCLE_SHIFT   49
  83#define TCTRL3_RD_WAIT          0x0001f00000000000UL
  84#define TCTRL3_RD_WAIT_SHIFT          44
  85#define TCTRL3_PC_CYCLE         0x00000fc000000000UL
  86#define TCTRL3_PC_CYCLE_SHIFT         38
  87#define TCTRL3_WR_MORE_RAW_PW   0x0000003f00000000UL
  88#define TCTRL3_WR_MORE_RAW_PW_SHIFT   32
  89#define TCTRL3_RD_MORE_RAW_PW   0x00000000fc000000UL
  90#define TCTRL3_RD_MORE_RAW_PW_SHIFT   26
  91#define TCTRL3_ACT_WR_DLY       0x0000000003f00000UL
  92#define TCTRL3_ACT_WR_DLY_SHIFT       20
  93#define TCTRL3_ACT_RD_DLY       0x00000000000fc000UL
  94#define TCTRL3_ACT_RD_DLY_SHIFT       14
  95#define TCTRL3_BANK_PRESENT     0x0000000000003000UL
  96#define TCTRL3_BANK_PRESENT_SHIFT     12
  97#define TCTRL3_RFR_INT          0x0000000000000ff8UL
  98#define TCTRL3_RFR_INT_SHIFT          3
  99#define TCTRL3_SET_MODE_REG     0x0000000000000004UL
 100#define TCTRL3_SET_MODE_REG_SHIFT     2
 101#define TCTRL3_RFR_ENABLE       0x0000000000000002UL
 102#define TCTRL3_RFR_ENABLE_SHIFT       1
 103#define TCTRL3_PRECHG_ALL       0x0000000000000001UL
 104#define TCTRL3_PRECHG_ALL_SHIFT       0
 105
 106/* Memory Timing Control IV */
 107#define TCTRL4_WR_MSEL_DLY      0xfc00000000000000UL
 108#define TCTRL4_WR_MSEL_DLY_SHIFT      58
 109#define TCTRL4_RD_MSEL_DLY      0x03f0000000000000UL
 110#define TCTRL4_RD_MSEL_DLY_SHIFT      52
 111#define TCTRL4_WRDATA_THLD      0x000c000000000000UL
 112#define TCTRL4_WRDATA_THLD_SHIFT      50
 113#define TCTRL4_RDWR_RD_RI_DLY   0x0003f00000000000UL
 114#define TCTRL4_RDWR_RD_RI_DLY_SHIFT   44
 115#define TCTRL4_AUTO_PRECHG_ENBL 0x0000080000000000UL
 116#define TCTRL4_AUTO_PRECHG_ENBL_SHIFT 43
 117#define TCTRL4_RD_WR_PI_MORE_DLY 0x000007c000000000UL
 118#define TCTRL4_RD_WR_PI_MORE_DLY_SHIFT 38
 119#define TCTRL4_RD_WR_TI_DLY     0x0000003f00000000UL
 120#define TCTRL4_RD_WR_TI_DLY_SHIFT     32
 121#define TCTRL4_WR_WR_PI_MORE_DLY 0x00000000f8000000UL
 122#define TCTRL4_WR_WR_PI_MORE_DLY_SHIFT 27
 123#define TCTRL4_WR_WR_TI_DLY     0x0000000007e00000UL
 124#define TCTRL4_WR_WR_TI_DLY_SHIFT     21
 125#define TCTRL4_RDWR_RD_PI_MORE_DLY 0x00000000001f000UL0
 126#define TCTRL4_RDWR_RD_PI_MORE_DLY_SHIFT 16
 127#define TCTRL4_R                0x0000000000008000UL
 128#define TCTRL4_R_SHIFT                15
 129#define TCTRL4_SDRAM_MODE_REG_DATA 0x0000000000007fffUL
 130#define TCTRL4_SDRAM_MODE_REG_DATA_SHIFT 0
 131
 132/* All 4 memory address decoding registers have the
 133 * same layout.
 134 */
 135#define MEM_DECODE_VALID        0x8000000000000000UL /* Valid */
 136#define MEM_DECODE_VALID_SHIFT        63
 137#define MEM_DECODE_UK           0x001ffe0000000000UL /* Upper mask */
 138#define MEM_DECODE_UK_SHIFT           41
 139#define MEM_DECODE_UM           0x0000001ffff00000UL /* Upper match */
 140#define MEM_DECODE_UM_SHIFT           20
 141#define MEM_DECODE_LK           0x000000000003c000UL /* Lower mask */
 142#define MEM_DECODE_LK_SHIFT           14
 143#define MEM_DECODE_LM           0x0000000000000f00UL /* Lower match */
 144#define MEM_DECODE_LM_SHIFT           8
 145
 146#define PA_UPPER_BITS           0x000007fffc000000UL
 147#define PA_UPPER_BITS_SHIFT     26
 148#define PA_LOWER_BITS           0x00000000000003c0UL
 149#define PA_LOWER_BITS_SHIFT     6
 150
 151#define MACTRL_R0                        0x8000000000000000UL
 152#define MACTRL_R0_SHIFT                  63
 153#define MACTRL_ADDR_LE_PW                0x7000000000000000UL
 154#define MACTRL_ADDR_LE_PW_SHIFT          60
 155#define MACTRL_CMD_PW                    0x0f00000000000000UL
 156#define MACTRL_CMD_PW_SHIFT              56
 157#define MACTRL_HALF_MODE_WR_MSEL_DLY     0x00fc000000000000UL
 158#define MACTRL_HALF_MODE_WR_MSEL_DLY_SHIFT 50
 159#define MACTRL_HALF_MODE_RD_MSEL_DLY     0x0003f00000000000UL
 160#define MACTRL_HALF_MODE_RD_MSEL_DLY_SHIFT 44
 161#define MACTRL_HALF_MODE_SDRAM_CTL_DLY   0x00000f0000000000UL
 162#define MACTRL_HALF_MODE_SDRAM_CTL_DLY_SHIFT 40
 163#define MACTRL_HALF_MODE_SDRAM_CLK_DLY   0x000000e000000000UL
 164#define MACTRL_HALF_MODE_SDRAM_CLK_DLY_SHIFT 37
 165#define MACTRL_R1                        0x0000001000000000UL
 166#define MACTRL_R1_SHIFT                      36
 167#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B3 0x0000000f00000000UL
 168#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B3_SHIFT 32
 169#define MACTRL_ENC_INTLV_B3              0x00000000f8000000UL
 170#define MACTRL_ENC_INTLV_B3_SHIFT              27
 171#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B2 0x0000000007800000UL
 172#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B2_SHIFT 23
 173#define MACTRL_ENC_INTLV_B2              0x00000000007c0000UL
 174#define MACTRL_ENC_INTLV_B2_SHIFT              18
 175#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B1 0x000000000003c000UL
 176#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B1_SHIFT 14
 177#define MACTRL_ENC_INTLV_B1              0x0000000000003e00UL
 178#define MACTRL_ENC_INTLV_B1_SHIFT               9
 179#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B0 0x00000000000001e0UL
 180#define MACTRL_BANKSEL_N_ROWADDR_SIZE_B0_SHIFT  5
 181#define MACTRL_ENC_INTLV_B0              0x000000000000001fUL
 182#define MACTRL_ENC_INTLV_B0_SHIFT               0
 183
 184#endif /* _SPARC64_CHMCTRL_H */
 185