src/commonlib/storage/mmc.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #ifndef __COMMONLIB_STORAGE_MMC_H__
   4 #define __COMMONLIB_STORAGE_MMC_H__
   5
   6 #include <commonlib/sd_mmc_ctrlr.h>
   7
   8 #define MMC_HS_TIMING           0x00000100
   9 #define MMC_HS_52MHZ            0x2
  10 #define MMC_HS_200MHZ           0x10
  11 #define MMC_HS400               0x40
  12
  13 #define SECURE_ERASE            0x80000000
  14
  15 #define MMC_STATUS_MASK         (~0x0206BF7F)
  16 #define MMC_STATUS_RDY_FOR_DATA (1 << 8)
  17 #define MMC_STATUS_CURR_STATE   (0xf << 9)
  18 #define MMC_STATUS_ERROR        (1 << 19)
  19
  20 #define MMC_SWITCH_MODE_CMD_SET         0x00 /* Change the command set */
  21 #define MMC_SWITCH_MODE_SET_BITS        0x01 /* Set bits in EXT_CSD byte
  22                                                 addressed by index which are
  23                                                 1 in value field */
  24 #define MMC_SWITCH_MODE_CLEAR_BITS      0x02 /* Clear bits in EXT_CSD byte
  25                                                 addressed by index, which are
  26                                                 1 in value field */
  27 #define MMC_SWITCH_MODE_WRITE_BYTE      0x03 /* Set target byte to value */
  28
  29 #define R1_ILLEGAL_COMMAND              (1 << 22)
  30 #define R1_APP_CMD                      (1 << 5)
  31
  32 #define MMC_INIT_TIMEOUT_US     (1000 * 1000)
  33 #define MMC_INIT_TIMEOUT_US_MS  1000
  34
  35 int storage_block_setup_media(struct storage_media *media,
  36         struct sd_mmc_ctrlr *ctrlr);
  37
  38 #endif /* __COMMONLIB_STORAGE_MMC_H__ */