arch/arm/mach-uniphier/include/mach/umc-regs.h

   1 /*
   2  * UniPhier UMC (Universal Memory Controller) registers
   3  *
   4  * Copyright (C) 2011-2014 Panasonic Corporation
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef ARCH_UMC_REGS_H
  10 #define ARCH_UMC_REGS_H
  11
  12 #define UMC_BASE                0x5b800000
  13
  14 /* SSIF registers */
  15 #define UMC_SSIF_BASE           UMC_BASE
  16
  17 #define UMC_CPURST              0x00000700
  18 #define UMC_IDSRST              0x0000070C
  19 #define UMC_IXMRST              0x00000714
  20 #define UMC_HDMRST              0x00000718
  21 #define UMC_MDMRST              0x0000071C
  22 #define UMC_HDDRST              0x00000720
  23 #define UMC_MDDRST              0x00000724
  24 #define UMC_SIORST              0x00000728
  25 #define UMC_GIORST              0x0000072C
  26 #define UMC_HD2RST              0x00000734
  27 #define UMC_VIORST              0x0000073C
  28 #define UMC_FRCRST              0x00000748 /* LD4/sLD8 */
  29 #define UMC_DVCRST              0x00000748 /* Pro4 */
  30 #define UMC_RGLRST              0x00000750
  31 #define UMC_VPERST              0x00000758
  32 #define UMC_AIORST              0x00000764
  33 #define UMC_DMDRST              0x00000770
  34
  35 #define UMC_HDMCHSEL            0x00000898
  36 #define UMC_MDMCHSEL            0x0000089C
  37 #define UMC_DVCCHSEL            0x000008C8
  38 #define UMC_DMDCHSEL            0x000008F0
  39
  40 #define UMC_CLKEN_SSIF_FETCH    0x0000C060
  41 #define UMC_CLKEN_SSIF_COMQUE0  0x0000C064
  42 #define UMC_CLKEN_SSIF_COMWC0   0x0000C068
  43 #define UMC_CLKEN_SSIF_COMRC0   0x0000C06C
  44 #define UMC_CLKEN_SSIF_COMQUE1  0x0000C070
  45 #define UMC_CLKEN_SSIF_COMWC1   0x0000C074
  46 #define UMC_CLKEN_SSIF_COMRC1   0x0000C078
  47 #define UMC_CLKEN_SSIF_WC       0x0000C07C
  48 #define UMC_CLKEN_SSIF_RC       0x0000C080
  49 #define UMC_CLKEN_SSIF_DST      0x0000C084
  50
  51 /* CA registers */
  52 #define UMC_CA_BASE(ch)         (UMC_BASE + 0x00001000 + 0x00001000 * (ch))
  53
  54 /* DRAM controller registers */
  55 #define UMC_DRAMCONT_BASE(ch)   (UMC_BASE + 0x00400000 + 0x00200000 * (ch))
  56
  57 #define UMC_CMDCTLA             0x00000000
  58 #define UMC_CMDCTLB             0x00000004
  59 #define UMC_INITCTLA            0x00000008
  60 #define UMC_INITCTLB            0x0000000C
  61 #define UMC_INITCTLC            0x00000010
  62 #define UMC_INITSET             0x00000014
  63 #define UMC_INITSTAT            0x00000018
  64 #define UMC_DRMMR0              0x0000001C
  65 #define UMC_DRMMR1              0x00000020
  66 #define UMC_DRMMR2              0x00000024
  67 #define UMC_DRMMR3              0x00000028
  68 #define UMC_SPCCTLA             0x00000030
  69 #define UMC_SPCCTLB             0x00000034
  70 #define UMC_SPCSETA             0x00000038
  71 #define UMC_SPCSETB             0x0000003C
  72 #define UMC_SPCSETC             0x00000040
  73 #define UMC_SPCSETD             0x00000044
  74 #define UMC_SPCSTATA            0x00000050
  75 #define UMC_SPCSTATB            0x00000054
  76 #define UMC_SPCSTATC            0x00000058
  77 #define UMC_ACSSETA             0x00000060
  78 #define UMC_FLOWCTLA            0x00000400
  79 #define UMC_FLOWCTLB            0x00000404
  80 #define UMC_FLOWCTLC            0x00000408
  81 #define UMC_FLOWCTLG            0x00000508
  82 #define UMC_RDATACTL_D0         0x00000600
  83 #define UMC_WDATACTL_D0         0x00000604
  84 #define UMC_RDATACTL_D1         0x00000608
  85 #define UMC_WDATACTL_D1         0x0000060C
  86 #define UMC_DATASET             0x00000610
  87 #define UMC_DCCGCTL             0x00000720
  88 #define UMC_DICGCTLA            0x00000724
  89 #define UMC_DICGCTLB            0x00000728
  90 #define UMC_DIOCTLA             0x00000C00
  91 #define UMC_DFICUPDCTLA         0x00000C20
  92
  93 #ifndef __ASSEMBLY__
  94
  95 #include <linux/types.h>
  96
  97 static inline void umc_polling(u32 address, u32 expval, u32 mask)
  98 {
  99         u32 nmask = ~mask;
 100         u32 data;
 101         do {
 102                 data = readl(address) & nmask;
 103         } while (data != expval);
 104 }
 105
 106 static inline void umc_dram_init_start(void __iomem *dramcont)
 107 {
 108         writel(0x00000002, dramcont + UMC_INITSET);
 109 }
 110
 111 static inline void umc_dram_init_poll(void __iomem *dramcont)
 112 {
 113         while ((readl(dramcont + UMC_INITSTAT) & 0x00000002))
 114                 ;
 115 }
 116
 117 #endif
 118
 119 #endif