1 files changed, 101 insertions, 0 deletions
diff --git a/src/drivers/storage/sd_mmc.h b/src/drivers/storage/sd_mmc.h
new file mode 100644
index 0000000000..57f78acaa6
--- /dev/null
+++ b/src/drivers/storage/sd_mmc.h
@@ -0,0 +1,101 @@
+/*
+ * 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 __DRIVERS_STORAGE_SD_MMC_H__
+#define __DRIVERS_STORAGE_SD_MMC_H__
+
+#include <device/sd_mmc_ctrlr.h>
+#include <device/storage.h>
+#include <stddef.h>
+
+#define SD_MMC_IO_RETRIES	1000
+
+#define IS_SD(x)		(x->version & SD_VERSION_SD)
+
+#define SET_BUS_WIDTH(ctrlr, width)		\
+	do {					\
+		ctrlr->bus_width = width;	\
+		ctrlr->set_ios(ctrlr);		\
+	} while (0)
+
+#define SET_CLOCK(ctrlr, clock_hz)		\
+	do {					\
+		ctrlr->request_hz = clock_hz;	\
+		ctrlr->set_ios(ctrlr);		\
+	} while (0)
+
+#define SET_TIMING(ctrlr, timing_value)		\
+	do {					\
+		ctrlr->timing = timing_value;	\
+		ctrlr->set_ios(ctrlr);		\
+	} while (0)
+
+/* Common support routines */
+int sd_mmc_enter_standby(struct storage_media *media);
+uint64_t sd_mmc_extract_uint32_bits(const uint32_t *array, int start,
+	int count);
+int sd_mmc_send_status(struct storage_media *media, ssize_t tries);
+int sd_mmc_set_blocklen(struct sd_mmc_ctrlr *ctrlr, int len);
+
+/* MMC support routines */
+int mmc_complete_op_cond(struct storage_media *media);
+const char *mmc_partition_name(struct storage_media *media,
+	unsigned int partition_number);
+int mmc_send_ext_csd(struct sd_mmc_ctrlr *ctrlr, unsigned char *ext_csd);
+int mmc_send_op_cond(struct storage_media *media);
+int mmc_set_partition(struct storage_media *media,
+	unsigned int partition_number);
+int mmc_update_capacity(struct storage_media *media);
+
+/* SD card support routines */
+int sd_change_freq(struct storage_media *media);
+const char *sd_partition_name(struct storage_media *media,
+	unsigned int partition_number);
+int sd_send_if_cond(struct storage_media *media);
+int sd_send_op_cond(struct storage_media *media);
+int sd_set_partition(struct storage_media *media,
+	unsigned int partition_number);
+int sd_set_bus_width(struct storage_media *media);
+
+int mmc_change_freq(struct storage_media *media);
+int mmc_send_status(struct storage_media *media, ssize_t tries);
+int mmc_set_bus_width(struct storage_media *media);
+
+/* Controller debug functions */
+#define sdhc_debug(format...) \
+	do {						\
+		if (IS_ENABLED(CONFIG_SDHC_DEBUG))	\
+			printk(BIOS_DEBUG, format);	\
+	} while (0)
+#define sdhc_trace(format...) \
+	do {						\
+		if (IS_ENABLED(CONFIG_SDHC_TRACE))	\
+			printk(BIOS_DEBUG, format);	\
+	} while (0)
+#define sdhc_error(format...) printk(BIOS_ERR, "ERROR: " format)
+
+/* Card/device debug functions */
+#define sd_mmc_debug(format...) \
+	do {						\
+		if (IS_ENABLED(CONFIG_SD_MMC_DEBUG))	\
+			printk(BIOS_DEBUG, format);	\
+	} while (0)
+#define sd_mmc_trace(format...) \
+	do {						\
+		if (IS_ENABLED(CONFIG_SD_MMC_TRACE))	\
+			printk(BIOS_DEBUG, format);	\
+	} while (0)
+#define sd_mmc_error(format...) printk(BIOS_ERR, "ERROR: " format)
+
+#endif /* __DRIVERS_STORAGE_SD_MMC_H__ */