drivers/mmc/host/dw_mmc-exynos.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Exynos Specific Extensions for Synopsys DW Multimedia Card Interface driver
   4  *
   5  * Copyright (C) 2012-2014 Samsung Electronics Co., Ltd.
   6  */
   7
   8 #ifndef _DW_MMC_EXYNOS_H_
   9 #define _DW_MMC_EXYNOS_H_
  10
  11 #define SDMMC_CLKSEL                    0x09C
  12 #define SDMMC_CLKSEL64                  0x0A8
  13
  14 /* Extended Register's Offset */
  15 #define SDMMC_HS400_DQS_EN              0x180
  16 #define SDMMC_HS400_ASYNC_FIFO_CTRL     0x184
  17 #define SDMMC_HS400_DLINE_CTRL          0x188
  18
  19 /* CLKSEL register defines */
  20 #define SDMMC_CLKSEL_CCLK_SAMPLE(x)     (((x) & 7) << 0)
  21 #define SDMMC_CLKSEL_CCLK_DRIVE(x)      (((x) & 7) << 16)
  22 #define SDMMC_CLKSEL_CCLK_DIVIDER(x)    (((x) & 7) << 24)
  23 #define SDMMC_CLKSEL_GET_DRV_WD3(x)     (((x) >> 16) & 0x7)
  24 #define SDMMC_CLKSEL_GET_DIV(x)         (((x) >> 24) & 0x7)
  25 #define SDMMC_CLKSEL_UP_SAMPLE(x, y)    (((x) & ~SDMMC_CLKSEL_CCLK_SAMPLE(7)) |\
  26                                          SDMMC_CLKSEL_CCLK_SAMPLE(y))
  27 #define SDMMC_CLKSEL_TIMING(x, y, z)    (SDMMC_CLKSEL_CCLK_SAMPLE(x) |  \
  28                                          SDMMC_CLKSEL_CCLK_DRIVE(y) |   \
  29                                          SDMMC_CLKSEL_CCLK_DIVIDER(z))
  30 #define SDMMC_CLKSEL_TIMING_MASK        SDMMC_CLKSEL_TIMING(0x7, 0x7, 0x7)
  31 #define SDMMC_CLKSEL_WAKEUP_INT         BIT(11)
  32
  33 /* RCLK_EN register defines */
  34 #define DATA_STROBE_EN                  BIT(0)
  35 #define AXI_NON_BLOCKING_WR     BIT(7)
  36
  37 /* DLINE_CTRL register defines */
  38 #define DQS_CTRL_RD_DELAY(x, y)         (((x) & ~0x3FF) | ((y) & 0x3FF))
  39 #define DQS_CTRL_GET_RD_DELAY(x)        ((x) & 0x3FF)
  40
  41 /* Protector Register */
  42 #define SDMMC_EMMCP_BASE        0x1000
  43 #define SDMMC_MPSECURITY        (SDMMC_EMMCP_BASE + 0x0010)
  44 #define SDMMC_MPSBEGIN0         (SDMMC_EMMCP_BASE + 0x0200)
  45 #define SDMMC_MPSEND0           (SDMMC_EMMCP_BASE + 0x0204)
  46 #define SDMMC_MPSCTRL0          (SDMMC_EMMCP_BASE + 0x020C)
  47
  48 /* SMU control defines */
  49 #define SDMMC_MPSCTRL_SECURE_READ_BIT           BIT(7)
  50 #define SDMMC_MPSCTRL_SECURE_WRITE_BIT          BIT(6)
  51 #define SDMMC_MPSCTRL_NON_SECURE_READ_BIT       BIT(5)
  52 #define SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT      BIT(4)
  53 #define SDMMC_MPSCTRL_USE_FUSE_KEY              BIT(3)
  54 #define SDMMC_MPSCTRL_ECB_MODE                  BIT(2)
  55 #define SDMMC_MPSCTRL_ENCRYPTION                BIT(1)
  56 #define SDMMC_MPSCTRL_VALID                     BIT(0)
  57
  58 /* Maximum number of Ending sector */
  59 #define SDMMC_ENDING_SEC_NR_MAX 0xFFFFFFFF
  60
  61 /* Fixed clock divider */
  62 #define EXYNOS4210_FIXED_CIU_CLK_DIV    2
  63 #define EXYNOS4412_FIXED_CIU_CLK_DIV    4
  64 #define HS400_FIXED_CIU_CLK_DIV         1
  65
  66 /* Minimal required clock frequency for cclkin, unit: HZ */
  67 #define EXYNOS_CCLKIN_MIN       50000000
  68
  69 #endif /* _DW_MMC_EXYNOS_H_ */