arch/arm/include/asm/arch-mx7/mx7-ddr.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * DDR controller registers of the i.MX7 architecture
   4  *
   5  * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
   6  *
   7  * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
   8  */
   9
  10 #ifndef __ASM_ARCH_MX7_DDR_H__
  11 #define __ASM_ARCH_MX7_DDR_H__
  12
  13 #ifndef __ASSEMBLY__
  14 #include <linux/bitops.h>
  15 #endif
  16
  17 /* DDRC Registers (DDRC_IPS_BASE_ADDR) */
  18 struct ddrc {
  19         u32 mstr;               /* 0x0000 */
  20         u32 reserved1[0x18];
  21         u32 rfshtmg;            /* 0x0064 */
  22         u32 reserved2[0x1a];
  23         u32 init0;              /* 0x00d0 */
  24         u32 init1;              /* 0x00d4 */
  25         u32 reserved3;
  26         u32 init3;              /* 0x00dc */
  27         u32 init4;              /* 0x00e0 */
  28         u32 init5;              /* 0x00e4 */
  29         u32 reserved4[0x03];
  30         u32 rankctl;            /* 0x00f4 */
  31         u32 reserved5[0x02];
  32         u32 dramtmg0;           /* 0x0100 */
  33         u32 dramtmg1;           /* 0x0104 */
  34         u32 dramtmg2;           /* 0x0108 */
  35         u32 dramtmg3;           /* 0x010c */
  36         u32 dramtmg4;           /* 0x0110 */
  37         u32 dramtmg5;           /* 0x0114 */
  38         u32 reserved6[0x02];
  39         u32 dramtmg8;           /* 0x0120 */
  40         u32 reserved7[0x17];
  41         u32 zqctl0;             /* 0x0180 */
  42         u32 reserved8[0x03];
  43         u32 dfitmg0;            /* 0x0190 */
  44         u32 dfitmg1;            /* 0x0194 */
  45         u32 reserved9[0x02];
  46         u32 dfiupd0;            /* 0x01a0 */
  47         u32 dfiupd1;            /* 0x01a4 */
  48         u32 dfiupd2;            /* 0x01a8 */
  49         u32 reserved10[0x15];
  50         u32 addrmap0;           /* 0x0200 */
  51         u32 addrmap1;           /* 0x0204 */
  52         u32 addrmap2;           /* 0x0208 */
  53         u32 addrmap3;           /* 0x020c */
  54         u32 addrmap4;           /* 0x0210 */
  55         u32 addrmap5;           /* 0x0214 */
  56         u32 addrmap6;           /* 0x0218 */
  57         u32 reserved12[0x09];
  58         u32 odtcfg;             /* 0x0240 */
  59         u32 odtmap;             /* 0x0244 */
  60 };
  61
  62 /* DDRC_MSTR fields */
  63 #define MSTR_DATA_BUS_WIDTH_MASK        0x3 << 12
  64 #define MSTR_DATA_BUS_WIDTH_SHIFT       12
  65 #define MSTR_DATA_ACTIVE_RANKS_MASK     0xf << 24
  66 #define MSTR_DATA_ACTIVE_RANKS_SHIFT    24
  67 /* DDRC_ADDRMAP1 fields */
  68 #define ADDRMAP1_BANK_B0_MASK           0x1f << 0
  69 #define ADDRMAP1_BANK_B0_SHIFT          0
  70 #define ADDRMAP1_BANK_B1_MASK           0x1f << 8
  71 #define ADDRMAP1_BANK_B1_SHIFT          8
  72 #define ADDRMAP1_BANK_B2_MASK           0x1f << 16
  73 #define ADDRMAP1_BANK_B2_SHIFT          16
  74 /* DDRC_ADDRMAP2 fields */
  75 #define ADDRMAP2_COL_B2_MASK            0xF << 0
  76 #define ADDRMAP2_COL_B2_SHIFT           0
  77 #define ADDRMAP2_COL_B3_MASK            0xF << 8
  78 #define ADDRMAP2_COL_B3_SHIFT           8
  79 #define ADDRMAP2_COL_B4_MASK            0xF << 16
  80 #define ADDRMAP2_COL_B4_SHIFT           16
  81 #define ADDRMAP2_COL_B5_MASK            0xF << 24
  82 #define ADDRMAP2_COL_B5_SHIFT           24
  83 /* DDRC_ADDRMAP3 fields */
  84 #define ADDRMAP3_COL_B6_MASK            0xF << 0
  85 #define ADDRMAP3_COL_B6_SHIFT           0
  86 #define ADDRMAP3_COL_B7_MASK            0xF << 8
  87 #define ADDRMAP3_COL_B7_SHIFT           8
  88 #define ADDRMAP3_COL_B8_MASK            0xF << 16
  89 #define ADDRMAP3_COL_B8_SHIFT           16
  90 #define ADDRMAP3_COL_B9_MASK            0xF << 24
  91 #define ADDRMAP3_COL_B9_SHIFT           24
  92 /* DDRC_ADDRMAP4 fields */
  93 #define ADDRMAP4_COL_B10_MASK           0xF << 0
  94 #define ADDRMAP4_COL_B10_SHIFT          0
  95 #define ADDRMAP4_COL_B11_MASK           0xF << 8
  96 #define ADDRMAP4_COL_B11_SHIFT          8
  97 /* DDRC_ADDRMAP5 fields */
  98 #define ADDRMAP5_ROW_B0_MASK            0xF << 0
  99 #define ADDRMAP5_ROW_B0_SHIFT           0
 100 #define ADDRMAP5_ROW_B1_MASK            0xF << 8
 101 #define ADDRMAP5_ROW_B1_SHIFT           8
 102 #define ADDRMAP5_ROW_B2_10_MASK         0xF << 16
 103 #define ADDRMAP5_ROW_B2_10_SHIFT        16
 104 #define ADDRMAP5_ROW_B11_MASK           0xF << 24
 105 #define ADDRMAP5_ROW_B11_SHIFT          24
 106 /* DDRC_ADDRMAP6 fields */
 107 #define ADDRMAP6_ROW_B12_MASK           0xF << 0
 108 #define ADDRMAP6_ROW_B12_SHIFT          0
 109 #define ADDRMAP6_ROW_B13_MASK           0xF << 8
 110 #define ADDRMAP6_ROW_B13_SHIFT          8
 111 #define ADDRMAP6_ROW_B14_MASK           0xF << 16
 112 #define ADDRMAP6_ROW_B14_SHIFT          16
 113 #define ADDRMAP6_ROW_B15_MASK           0xF << 24
 114 #define ADDRMAP6_ROW_B15_SHIFT          24
 115
 116 /* DDRC_MP Registers */
 117 #define DDRC_MP_BASE_ADDR (DDRC_IPS_BASE_ADDR + 0x03fc)
 118 struct ddrc_mp {
 119         u32 reserved1[0x25];
 120         u32 pctrl_0;            /* 0x0094 */
 121 };
 122
 123 /* DDR_PHY registers */
 124 struct ddr_phy {
 125         u32 phy_con0;           /* 0x0000 */
 126         u32 phy_con1;           /* 0x0004 */
 127         u32 reserved1[0x02];
 128         u32 phy_con4;           /* 0x0010 */
 129         u32 reserved2;
 130         u32 offset_lp_con0;     /* 0x0018 */
 131         u32 reserved3;
 132         u32 offset_rd_con0;     /* 0x0020 */
 133         u32 reserved4[0x03];
 134         u32 offset_wr_con0;     /* 0x0030 */
 135         u32 reserved5[0x07];
 136         u32 cmd_sdll_con0;      /* 0x0050 */
 137         u32 reserved6[0x12];
 138         u32 drvds_con0;         /* 0x009c */
 139         u32 reserved7[0x04];
 140         u32 mdll_con0;          /* 0x00b0 */
 141         u32 reserved8[0x03];
 142         u32 zq_con0;            /* 0x00c0 */
 143 };
 144
 145 #define DDR_PHY_CMD_SDLL_CON0_CTRL_RESYNC_MASK BIT(24)
 146
 147 #define MX7_CAL_VAL_MAX 5
 148 /* Calibration parameters */
 149 struct mx7_calibration {
 150         int num_val;                    /* Number of calibration values */
 151         u32 values[MX7_CAL_VAL_MAX];    /* calibration values */
 152 };
 153
 154 void mx7_dram_cfg(struct ddrc *ddrc_regs_val, struct ddrc_mp *ddrc_mp_val,
 155                   struct ddr_phy *ddr_phy_regs_val,
 156                   struct mx7_calibration *calib_param);
 157
 158 #endif  /*__ASM_ARCH_MX7_DDR_H__ */