linux/drivers/memory/samsung/exynos-srom.h
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   1/*
   2 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   3 *              http://www.samsung.com
   4 *
   5 * Exynos SROMC register definitions
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10*/
  11
  12#ifndef __EXYNOS_SROM_H
  13#define __EXYNOS_SROM_H __FILE__
  14
  15#define EXYNOS_SROMREG(x)               (x)
  16
  17#define EXYNOS_SROM_BW          EXYNOS_SROMREG(0x0)
  18#define EXYNOS_SROM_BC0         EXYNOS_SROMREG(0x4)
  19#define EXYNOS_SROM_BC1         EXYNOS_SROMREG(0x8)
  20#define EXYNOS_SROM_BC2         EXYNOS_SROMREG(0xc)
  21#define EXYNOS_SROM_BC3         EXYNOS_SROMREG(0x10)
  22#define EXYNOS_SROM_BC4         EXYNOS_SROMREG(0x14)
  23#define EXYNOS_SROM_BC5         EXYNOS_SROMREG(0x18)
  24
  25/* one register BW holds 4 x 4-bit packed settings for NCS0 - NCS3 */
  26
  27#define EXYNOS_SROM_BW__DATAWIDTH__SHIFT        0
  28#define EXYNOS_SROM_BW__ADDRMODE__SHIFT         1
  29#define EXYNOS_SROM_BW__WAITENABLE__SHIFT       2
  30#define EXYNOS_SROM_BW__BYTEENABLE__SHIFT       3
  31
  32#define EXYNOS_SROM_BW__CS_MASK                 0xf
  33
  34#define EXYNOS_SROM_BW__NCS0__SHIFT             0
  35#define EXYNOS_SROM_BW__NCS1__SHIFT             4
  36#define EXYNOS_SROM_BW__NCS2__SHIFT             8
  37#define EXYNOS_SROM_BW__NCS3__SHIFT             12
  38#define EXYNOS_SROM_BW__NCS4__SHIFT             16
  39#define EXYNOS_SROM_BW__NCS5__SHIFT             20
  40
  41/* applies to same to BCS0 - BCS3 */
  42
  43#define EXYNOS_SROM_BCX__PMC__SHIFT             0
  44#define EXYNOS_SROM_BCX__TACP__SHIFT            4
  45#define EXYNOS_SROM_BCX__TCAH__SHIFT            8
  46#define EXYNOS_SROM_BCX__TCOH__SHIFT            12
  47#define EXYNOS_SROM_BCX__TACC__SHIFT            16
  48#define EXYNOS_SROM_BCX__TCOS__SHIFT            24
  49#define EXYNOS_SROM_BCX__TACS__SHIFT            28
  50
  51#endif /* __EXYNOS_SROM_H */
  52