uboot/arch/arm/mach-exynos/include/mach/mmc.h
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   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * (C) Copyright 2009 SAMSUNG Electronics
   4 * Minkyu Kang <mk7.kang@samsung.com>
   5 */
   6
   7#ifndef __ASM_ARCH_MMC_H_
   8#define __ASM_ARCH_MMC_H_
   9
  10#define S5P_MMC_DEV_OFFSET      0x10000
  11
  12#define SDHCI_CONTROL2          0x80
  13#define SDHCI_CONTROL3          0x84
  14#define SDHCI_CONTROL4          0x8C
  15
  16#define SDHCI_CTRL2_ENSTAASYNCCLR       (1 << 31)
  17#define SDHCI_CTRL2_ENCMDCNFMSK         (1 << 30)
  18#define SDHCI_CTRL2_CDINVRXD3           (1 << 29)
  19#define SDHCI_CTRL2_SLCARDOUT           (1 << 28)
  20
  21#define SDHCI_CTRL2_FLTCLKSEL_MASK      (0xf << 24)
  22#define SDHCI_CTRL2_FLTCLKSEL_SHIFT     (24)
  23#define SDHCI_CTRL2_FLTCLKSEL(_x)       ((_x) << 24)
  24
  25#define SDHCI_CTRL2_LVLDAT_MASK         (0xff << 16)
  26#define SDHCI_CTRL2_LVLDAT_SHIFT        (16)
  27#define SDHCI_CTRL2_LVLDAT(_x)          ((_x) << 16)
  28
  29#define SDHCI_CTRL2_ENFBCLKTX           (1 << 15)
  30#define SDHCI_CTRL2_ENFBCLKRX           (1 << 14)
  31#define SDHCI_CTRL2_SDCDSEL             (1 << 13)
  32#define SDHCI_CTRL2_SDSIGPC             (1 << 12)
  33#define SDHCI_CTRL2_ENBUSYCHKTXSTART    (1 << 11)
  34
  35#define SDHCI_CTRL2_DFCNT_MASK(_x)      ((_x) << 9)
  36#define SDHCI_CTRL2_DFCNT_SHIFT         (9)
  37
  38#define SDHCI_CTRL2_ENCLKOUTHOLD        (1 << 8)
  39#define SDHCI_CTRL2_RWAITMODE           (1 << 7)
  40#define SDHCI_CTRL2_DISBUFRD            (1 << 6)
  41#define SDHCI_CTRL2_SELBASECLK_MASK(_x) ((_x) << 4)
  42#define SDHCI_CTRL2_SELBASECLK_SHIFT    (4)
  43#define SDHCI_CTRL2_PWRSYNC             (1 << 3)
  44#define SDHCI_CTRL2_ENCLKOUTMSKCON      (1 << 1)
  45#define SDHCI_CTRL2_HWINITFIN           (1 << 0)
  46
  47#define SDHCI_CTRL3_FCSEL3              (1 << 31)
  48#define SDHCI_CTRL3_FCSEL2              (1 << 23)
  49#define SDHCI_CTRL3_FCSEL1              (1 << 15)
  50#define SDHCI_CTRL3_FCSEL0              (1 << 7)
  51
  52#define SDHCI_CTRL4_DRIVE_MASK(_x)      ((_x) << 16)
  53#define SDHCI_CTRL4_DRIVE_SHIFT         (16)
  54
  55#define SDHCI_MAX_HOSTS 4
  56
  57int s5p_sdhci_init(u32 regbase, int index, int bus_width);
  58
  59static inline int s5p_mmc_init(int index, int bus_width)
  60{
  61        unsigned int base = samsung_get_base_mmc() +
  62                                (S5P_MMC_DEV_OFFSET * index);
  63
  64        return s5p_sdhci_init(base, index, bus_width);
  65}
  66
  67int exynos_mmc_init(const void *blob);
  68
  69#endif
  70