arch/arm/mach-pxa/include/mach/smemc.h

   1 /*
   2  * Static memory controller register definitions for PXA CPUs
   3  *
   4  * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __SMEMC_REGS_H
  12 #define __SMEMC_REGS_H
  13
  14 #define PXA2XX_SMEMC_BASE       0x48000000
  15 #define PXA3XX_SMEMC_BASE       0x4a000000
  16 #define SMEMC_VIRT              0xf6000000
  17
  18 #define MDCNFG          (SMEMC_VIRT + 0x00)  /* SDRAM Configuration Register 0 */
  19 #define MDREFR          (SMEMC_VIRT + 0x04)  /* SDRAM Refresh Control Register */
  20 #define MSC0            (SMEMC_VIRT + 0x08)  /* Static Memory Control Register 0 */
  21 #define MSC1            (SMEMC_VIRT + 0x0C)  /* Static Memory Control Register 1 */
  22 #define MSC2            (SMEMC_VIRT + 0x10)  /* Static Memory Control Register 2 */
  23 #define MECR            (SMEMC_VIRT + 0x14)  /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */
  24 #define SXLCR           (SMEMC_VIRT + 0x18)  /* LCR value to be written to SDRAM-Timing Synchronous Flash */
  25 #define SXCNFG          (SMEMC_VIRT + 0x1C)  /* Synchronous Static Memory Control Register */
  26 #define SXMRS           (SMEMC_VIRT + 0x24)  /* MRS value to be written to Synchronous Flash or SMROM */
  27 #define MCMEM0          (SMEMC_VIRT + 0x28)  /* Card interface Common Memory Space Socket 0 Timing */
  28 #define MCMEM1          (SMEMC_VIRT + 0x2C)  /* Card interface Common Memory Space Socket 1 Timing */
  29 #define MCATT0          (SMEMC_VIRT + 0x30)  /* Card interface Attribute Space Socket 0 Timing Configuration */
  30 #define MCATT1          (SMEMC_VIRT + 0x34)  /* Card interface Attribute Space Socket 1 Timing Configuration */
  31 #define MCIO0           (SMEMC_VIRT + 0x38)  /* Card interface I/O Space Socket 0 Timing Configuration */
  32 #define MCIO1           (SMEMC_VIRT + 0x3C)  /* Card interface I/O Space Socket 1 Timing Configuration */
  33 #define MDMRS           (SMEMC_VIRT + 0x40)  /* MRS value to be written to SDRAM */
  34 #define BOOT_DEF        (SMEMC_VIRT + 0x44)  /* Read-Only Boot-Time Register. Contains BOOT_SEL and PKG_SEL */
  35 #define MEMCLKCFG       (SMEMC_VIRT + 0x68)  /* Clock Configuration */
  36 #define CSADRCFG0       (SMEMC_VIRT + 0x80)  /* Address Configuration Register for CS0 */
  37 #define CSADRCFG1       (SMEMC_VIRT + 0x84)  /* Address Configuration Register for CS1 */
  38 #define CSADRCFG2       (SMEMC_VIRT + 0x88)  /* Address Configuration Register for CS2 */
  39 #define CSADRCFG3       (SMEMC_VIRT + 0x8C)  /* Address Configuration Register for CS3 */
  40
  41 /*
  42  * More handy macros for PCMCIA
  43  *
  44  * Arg is socket number
  45  */
  46 #define MCMEM(s)        (SMEMC_VIRT + 0x28 + ((s)<<2))  /* Card interface Common Memory Space Socket s Timing */
  47 #define MCATT(s)        (SMEMC_VIRT + 0x30 + ((s)<<2))  /* Card interface Attribute Space Socket s Timing Configuration */
  48 #define MCIO(s)         (SMEMC_VIRT + 0x38 + ((s)<<2))  /* Card interface I/O Space Socket s Timing Configuration */
  49
  50 /* MECR register defines */
  51 #define MECR_NOS        (1 << 0)        /* Number Of Sockets: 0 -> 1 sock, 1 -> 2 sock */
  52 #define MECR_CIT        (1 << 1)        /* Card Is There: 0 -> no card, 1 -> card inserted */
  53
  54 #define MDCNFG_DE0      (1 << 0)        /* SDRAM Bank 0 Enable */
  55 #define MDCNFG_DE1      (1 << 1)        /* SDRAM Bank 1 Enable */
  56 #define MDCNFG_DE2      (1 << 16)       /* SDRAM Bank 2 Enable */
  57 #define MDCNFG_DE3      (1 << 17)       /* SDRAM Bank 3 Enable */
  58
  59 #define MDREFR_K0DB4    (1 << 29)       /* SDCLK0 Divide by 4 Control/Status */
  60 #define MDREFR_K2FREE   (1 << 25)       /* SDRAM Free-Running Control */
  61 #define MDREFR_K1FREE   (1 << 24)       /* SDRAM Free-Running Control */
  62 #define MDREFR_K0FREE   (1 << 23)       /* SDRAM Free-Running Control */
  63 #define MDREFR_SLFRSH   (1 << 22)       /* SDRAM Self-Refresh Control/Status */
  64 #define MDREFR_APD      (1 << 20)       /* SDRAM/SSRAM Auto-Power-Down Enable */
  65 #define MDREFR_K2DB2    (1 << 19)       /* SDCLK2 Divide by 2 Control/Status */
  66 #define MDREFR_K2RUN    (1 << 18)       /* SDCLK2 Run Control/Status */
  67 #define MDREFR_K1DB2    (1 << 17)       /* SDCLK1 Divide by 2 Control/Status */
  68 #define MDREFR_K1RUN    (1 << 16)       /* SDCLK1 Run Control/Status */
  69 #define MDREFR_E1PIN    (1 << 15)       /* SDCKE1 Level Control/Status */
  70 #define MDREFR_K0DB2    (1 << 14)       /* SDCLK0 Divide by 2 Control/Status */
  71 #define MDREFR_K0RUN    (1 << 13)       /* SDCLK0 Run Control/Status */
  72 #define MDREFR_E0PIN    (1 << 12)       /* SDCKE0 Level Control/Status */
  73
  74 #endif