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_csl_sd.h b/include/drivers/brcm/emmc/emmc_csl_sd.h
new file mode 100644
index 0000000..52b8bc8
--- /dev/null
+++ b/include/drivers/brcm/emmc/emmc_csl_sd.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CSL_SD_H
+#define CSL_SD_H
+
+#define SD_CLOCK_BASE 104000000
+#define SD_CLOCK_52MHZ 52000000
+#define SD_CLOCK_26MHZ 26000000
+#define SD_CLOCK_17MHZ 17330000
+#define SD_CLOCK_13MHZ 13000000
+#define SD_CLOCK_10MHZ 10000000
+#define SD_CLOCK_9MHZ 9000000
+#define SD_CLOCK_7MHZ 7000000
+#define SD_CLOCK_5MHZ 5000000
+#define SD_CLOCK_1MHZ 1000000
+#define SD_CLOCK_400KHZ 400000
+
+#define SD_DRIVE_STRENGTH_MASK 0x38000000
+#if defined(_BCM213x1_) || defined(_BCM21551_) || defined(_ATHENA_)
+#define SD_DRIVE_STRENGTH 0x28000000
+#elif defined(_BCM2153_)
+#define SD_DRIVE_STRENGTH 0x38000000
+#else
+#define SD_DRIVE_STRENGTH 0x00000000
+#endif
+
+#define SD_NUM_HOST 2
+
+#define SD_CARD_UNLOCK 0
+#define SD_CARD_LOCK 0x4
+#define SD_CARD_CLEAR_PWD 0x2
+#define SD_CARD_SET_PWD 0x1
+#define SD_CARD_ERASE_PWD 0x8
+
+#define SD_CARD_LOCK_STATUS 0x02000000
+#define SD_CARD_UNLOCK_STATUS 0x01000000
+
+#define SD_CMD_ERROR_FLAGS (0x18F << 16)
+#define SD_DATA_ERROR_FLAGS (0x70 << 16)
+#define SD_AUTO_CMD12_ERROR_FLAGS (0x9F)
+#define SD_CARD_STATUS_ERROR 0x10000000
+#define SD_CMD_MISSING 0x80000000
+
+#define SD_TRAN_HIGH_SPEED 0x32
+#define SD_CARD_HIGH_CAPACITY 0x40000000
+#define SD_CARD_POWER_UP_STATUS 0x80000000
+
+struct sd_dev_info {
+ uint32_t mode; /* interrupt or polling */
+ uint32_t dma; /* dma enabled or disabled */
+ uint32_t voltage; /* voltage level */
+ uint32_t slot; /* if the HC is locatd at slot 0 or slot 1 */
+ uint32_t version; /* 1.0 or 2.0 */
+ uint32_t curSystemAddr; /* system address */
+ uint32_t dataWidth; /* data width for the controller */
+ uint32_t clock; /* clock rate */
+ uint32_t status; /* if device is active on transfer or not */
+};
+
+void data_xfer_setup(struct sd_handle *handle, uint8_t *data,
+ uint32_t length, int dir);
+int reset_card(struct sd_handle *handle);
+int reset_host_ctrl(struct sd_handle *handle);
+int init_card(struct sd_handle *handle, int detection);
+int init_mmc_card(struct sd_handle *handle);
+int write_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer);
+int read_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer);
+int select_blk_sz(struct sd_handle *handle, uint16_t size);
+int check_error(struct sd_handle *handle, uint32_t ints);
+
+int process_data_xfer(struct sd_handle *handle, uint8_t *buffer,
+ uint32_t addr, uint32_t length, int dir);
+int read_block(struct sd_handle *handle, uint8_t *dst, uint32_t addr,
+ uint32_t len);
+#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
+int erase_card(struct sd_handle *handle, uint32_t addr, uint32_t blocks);
+#endif
+int write_block(struct sd_handle *handle, uint8_t *src, uint32_t addr,
+ uint32_t len);
+int process_cmd_response(struct sd_handle *handle, uint32_t cmdIndex,
+ uint32_t rsp0, uint32_t rsp1, uint32_t rsp2,
+ uint32_t rsp3, struct sd_resp *resp);
+int32_t set_config(struct sd_handle *handle, uint32_t speed,
+ uint32_t retry, uint32_t dma, uint32_t dmaBound,
+ uint32_t blkSize, uint32_t wfe_retry);
+
+uint32_t wait_for_event(struct sd_handle *handle, uint32_t mask,
+ uint32_t retry);
+int set_boot_config(struct sd_handle *handle, uint32_t config);
+
+int mmc_cmd1(struct sd_handle *handle);
+#endif /* CSL_SD_H */