uboot/arch/arm/mach-s5pc1xx/include/mach/mmc.h
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   1/*
   2 * (C) Copyright 2009 SAMSUNG Electronics
   3 * Minkyu Kang <mk7.kang@samsung.com>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#ifndef __ASM_ARCH_MMC_H_
   9#define __ASM_ARCH_MMC_H_
  10
  11#define S5P_MMC_DEV_OFFSET      0x100000
  12
  13#define SDHCI_CONTROL2          0x80
  14#define SDHCI_CONTROL3          0x84
  15#define SDHCI_CONTROL4          0x8C
  16
  17#define SDHCI_CTRL2_ENSTAASYNCCLR       (1 << 31)
  18#define SDHCI_CTRL2_ENCMDCNFMSK         (1 << 30)
  19#define SDHCI_CTRL2_CDINVRXD3           (1 << 29)
  20#define SDHCI_CTRL2_SLCARDOUT           (1 << 28)
  21
  22#define SDHCI_CTRL2_FLTCLKSEL_MASK      (0xf << 24)
  23#define SDHCI_CTRL2_FLTCLKSEL_SHIFT     (24)
  24#define SDHCI_CTRL2_FLTCLKSEL(_x)       ((_x) << 24)
  25
  26#define SDHCI_CTRL2_LVLDAT_MASK         (0xff << 16)
  27#define SDHCI_CTRL2_LVLDAT_SHIFT        (16)
  28#define SDHCI_CTRL2_LVLDAT(_x)          ((_x) << 16)
  29
  30#define SDHCI_CTRL2_ENFBCLKTX           (1 << 15)
  31#define SDHCI_CTRL2_ENFBCLKRX           (1 << 14)
  32#define SDHCI_CTRL2_SDCDSEL             (1 << 13)
  33#define SDHCI_CTRL2_SDSIGPC             (1 << 12)
  34#define SDHCI_CTRL2_ENBUSYCHKTXSTART    (1 << 11)
  35
  36#define SDHCI_CTRL2_DFCNT_MASK(_x)      ((_x) << 9)
  37#define SDHCI_CTRL2_DFCNT_SHIFT         (9)
  38
  39#define SDHCI_CTRL2_ENCLKOUTHOLD        (1 << 8)
  40#define SDHCI_CTRL2_RWAITMODE           (1 << 7)
  41#define SDHCI_CTRL2_DISBUFRD            (1 << 6)
  42#define SDHCI_CTRL2_SELBASECLK_MASK(_x) ((_x) << 4)
  43#define SDHCI_CTRL2_SELBASECLK_SHIFT    (4)
  44#define SDHCI_CTRL2_PWRSYNC             (1 << 3)
  45#define SDHCI_CTRL2_ENCLKOUTMSKCON      (1 << 1)
  46#define SDHCI_CTRL2_HWINITFIN           (1 << 0)
  47
  48#define SDHCI_CTRL3_FCSEL3              (1 << 31)
  49#define SDHCI_CTRL3_FCSEL2              (1 << 23)
  50#define SDHCI_CTRL3_FCSEL1              (1 << 15)
  51#define SDHCI_CTRL3_FCSEL0              (1 << 7)
  52
  53#define SDHCI_CTRL4_DRIVE_MASK(_x)      ((_x) << 16)
  54#define SDHCI_CTRL4_DRIVE_SHIFT         (16)
  55
  56int s5p_sdhci_init(u32 regbase, int index, int bus_width);
  57
  58static inline int s5p_mmc_init(int index, int bus_width)
  59{
  60        unsigned int base = samsung_get_base_mmc() +
  61                                 (S5P_MMC_DEV_OFFSET * index);
  62
  63        return s5p_sdhci_init(base, index, bus_width);
  64}
  65#endif
  66