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-rw-r--r--src/drivers/storage/mmc.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/drivers/storage/mmc.h b/src/drivers/storage/mmc.h
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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__ */