diff options
Diffstat (limited to 'src/drivers/storage/mmc.h')
-rw-r--r-- | src/drivers/storage/mmc.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/drivers/storage/mmc.h b/src/drivers/storage/mmc.h new file mode 100644 index 0000000000..42d7a4a5de --- /dev/null +++ b/src/drivers/storage/mmc.h @@ -0,0 +1,54 @@ +/* + * Copyright 2008,2010 Freescale Semiconductor, Inc + * Andy Fleming + * + * Copyright 2013 Google Inc. All rights reserved. + * Copyright 2017 Intel Corporation + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DRIVER_STORAGE_MMC_H__ +#define __DRIVER_STORAGE_MMC_H__ + +#include <device/sd_mmc_ctrlr.h> + +#define MMC_HS_TIMING 0x00000100 +#define MMC_HS_52MHZ 0x2 +#define MMC_HS_200MHZ 0x10 +#define MMC_HS400 0x40 + +#define SECURE_ERASE 0x80000000 + +#define MMC_STATUS_MASK (~0x0206BF7F) +#define MMC_STATUS_RDY_FOR_DATA (1 << 8) +#define MMC_STATUS_CURR_STATE (0xf << 9) +#define MMC_STATUS_ERROR (1 << 19) + +#define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */ +#define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in EXT_CSD byte + addressed by index which are + 1 in value field */ +#define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in EXT_CSD byte + addressed by index, which are + 1 in value field */ +#define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target byte to value */ + +#define R1_ILLEGAL_COMMAND (1 << 22) +#define R1_APP_CMD (1 << 5) + +#define MMC_INIT_TIMEOUT_US (1000 * 1000) +#define MMC_INIT_TIMEOUT_US_MS 1000 + +int storage_block_setup_media(struct storage_media *media, + struct sd_mmc_ctrlr *ctrlr); + +#endif /* __DRIVER_STORAGE_MMC_H__ */ |