drivers: Add emmc driver for Broadcom platforms
Add emmc driver for Broadcom platforms
Change-Id: I126a6dfccd41062cb0b856f2c2fb1f724730b95e
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/include/drivers/brcm/emmc/emmc_api.h b/include/drivers/brcm/emmc/emmc_api.h
new file mode 100644
index 0000000..c4c2a58
--- /dev/null
+++ b/include/drivers/brcm/emmc/emmc_api.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef EMMC_API_H
+#define EMMC_API_H
+
+#include "bcm_emmc.h"
+#include "emmc_pboot_hal_memory_drv.h"
+
+#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
+/*
+ * The erasable unit of the eMMC is the Erase Group
+ * Erase group is measured in write blocks which
+ * are the basic writable units of the Device
+ * EMMC_ERASE_GROUP_SIZE is the number of writeable
+ * units (each unit is 512 bytes)
+ */
+
+/* Start address (sector) */
+#define EMMC_ERASE_START_BLOCK 0x0
+/* Number of blocks to be erased */
+#define EMMC_ERASE_BLOCK_COUNT 0x1
+
+#define EMMC_ERASE_USER_AREA 0
+#define EMMC_ERASE_BOOT_PARTITION1 1
+#define EMMC_ERASE_BOOT_PARTITION2 2
+
+/* eMMC partition to be erased */
+#define EMMC_ERASE_PARTITION EMMC_ERASE_USER_AREA
+#endif
+
+uint32_t bcm_emmc_init(bool card_rdy_only);
+void emmc_deinit(void);
+
+#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
+int emmc_erase(uintptr_t mem_addr, size_t num_of_blocks, uint32_t partition);
+#endif
+
+uint32_t emmc_partition_select(uint32_t partition);
+uint32_t emmc_read(uintptr_t mem_addr, uintptr_t storage_addr,
+ size_t storage_size, size_t bytes_to_read);
+uint32_t emmc_write(uintptr_t mem_addr, uintptr_t data_addr,
+ size_t bytes_to_write);
+#endif /* EMMC_API_H */