include/faraday/ftsmc020.h

   1 /*
   2  * (C) Copyright 2009 Faraday Technology
   3  * Po-Yu Chuang <ratbert@faraday-tech.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 /*
   9  * Static Memory Controller
  10  */
  11 #ifndef __FTSMC020_H
  12 #define __FTSMC020_H
  13
  14 #ifndef __ASSEMBLY__
  15
  16 struct ftsmc020_bank {
  17         unsigned int    cr;
  18         unsigned int    tpr;
  19 };
  20
  21 struct ftsmc020 {
  22         struct ftsmc020_bank bank[4];   /* 0x00 - 0x1c */
  23         unsigned int    pad[8];         /* 0x20 - 0x3c */
  24         unsigned int    ssr;            /* 0x40 */
  25 };
  26
  27 void ftsmc020_init(void);
  28
  29 #endif /* __ASSEMBLY__ */
  30
  31 /*
  32  * Memory Bank Configuration Register
  33  */
  34 #define FTSMC020_BANK_ENABLE    (1 << 28)
  35 #define FTSMC020_BANK_BASE(x)   ((x) & 0x0fff1000)
  36
  37 #define FTSMC020_BANK_WPROT     (1 << 11)
  38
  39 #define FTSMC020_BANK_TYPE1     (1 << 10)
  40 #define FTSMC020_BANK_TYPE2     (1 << 9)
  41 #define FTSMC020_BANK_TYPE3     (1 << 8)
  42
  43 #define FTSMC020_BANK_SIZE_32K  (0xb << 4)
  44 #define FTSMC020_BANK_SIZE_64K  (0xc << 4)
  45 #define FTSMC020_BANK_SIZE_128K (0xd << 4)
  46 #define FTSMC020_BANK_SIZE_256K (0xe << 4)
  47 #define FTSMC020_BANK_SIZE_512K (0xf << 4)
  48 #define FTSMC020_BANK_SIZE_1M   (0x0 << 4)
  49 #define FTSMC020_BANK_SIZE_2M   (0x1 << 4)
  50 #define FTSMC020_BANK_SIZE_4M   (0x2 << 4)
  51 #define FTSMC020_BANK_SIZE_8M   (0x3 << 4)
  52 #define FTSMC020_BANK_SIZE_16M  (0x4 << 4)
  53 #define FTSMC020_BANK_SIZE_32M  (0x5 << 4)
  54 #define FTSMC020_BANK_SIZE_64M  (0x6 << 4)
  55
  56 #define FTSMC020_BANK_MBW_8     (0x0 << 0)
  57 #define FTSMC020_BANK_MBW_16    (0x1 << 0)
  58 #define FTSMC020_BANK_MBW_32    (0x2 << 0)
  59
  60 /*
  61  * Memory Bank Timing Parameter Register
  62  */
  63 #define FTSMC020_TPR_ETRNA(x)   (((x) & 0xf) << 28)
  64 #define FTSMC020_TPR_EATI(x)    (((x) & 0xf) << 24)
  65 #define FTSMC020_TPR_RBE        (1 << 20)
  66 #define FTSMC020_TPR_AST(x)     (((x) & 0x3) << 18)
  67 #define FTSMC020_TPR_CTW(x)     (((x) & 0x3) << 16)
  68 #define FTSMC020_TPR_ATI(x)     (((x) & 0xf) << 12)
  69 #define FTSMC020_TPR_AT2(x)     (((x) & 0x3) << 8)
  70 #define FTSMC020_TPR_WTC(x)     (((x) & 0x3) << 6)
  71 #define FTSMC020_TPR_AHT(x)     (((x) & 0x3) << 4)
  72 #define FTSMC020_TPR_TRNA(x)    (((x) & 0xf) << 0)
  73
  74 #endif  /* __FTSMC020_H */