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_sdcmd.h b/include/drivers/brcm/emmc/emmc_csl_sdcmd.h
new file mode 100644
index 0000000..425603f
--- /dev/null
+++ b/include/drivers/brcm/emmc/emmc_csl_sdcmd.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2016 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CSL_SD_CMD_H
+#define CSL_SD_CMD_H
+
+#define SD_CMD_OK 0
+#define SD_CMD_ERROR -1
+
+#define SD_CMD_ERR_NO_IO_FUNC 5
+#define SD_CMD_ERR_INVALID_PARAMETER 6
+#define SD_CMD_ERR_R1_ILLEGAL_COMMAND 7
+#define SD_CMD_ERR_R1_COM_CRC_ERROR 8
+#define SD_CMD_ERR_R1_FUNC_NUM_ERROR 9
+#define SD_CMD_ERR_R1_ADDRESS_ERROR 10
+#define SD_CMD_ERR_R1_PARAMETER_ERROR 11
+#define SD_CMD_ERR_DATA_ERROR_TOKEN 12
+#define SD_CMD_ERR_DATA_NOT_ACCEPTED 13
+#define SD_CMD7_ARG_RCA_SHIFT 16
+
+#define SD_CARD_STATUS_PENDING 0x01
+#define SD_CARD_STATUS_BUFFER_OVERFLOW 0x01
+#define SD_CARD_STATUS_DEVICE_BUSY 0x02
+#define SD_CARD_STATUS_UNSUCCESSFUL 0x03
+#define SD_CARD_STATUS_NOT_IMPLEMENTED 0x04
+#define SD_CARD_STATUS_ACCESS_VIOLATION 0x05
+#define SD_CARD_STATUS_INVALID_HANDLE 0x06
+#define SD_CARD_STATUS_INVALID_PARAMETER 0x07
+#define SD_CARD_STATUS_NO_SUCH_DEVICE 0x08
+#define SD_CARD_STATUS_INVALID_DEVICE_REQUEST 0x09
+#define SD_CARD_STATUS_NO_MEMORY 0x0A
+#define SD_CARD_STATUS_BUS_DRIVER_NOT_READY 0x0B
+#define SD_CARD_STATUS_DATA_ERROR 0x0C
+#define SD_CARD_STATUS_CRC_ERROR 0x0D
+#define SD_CARD_STATUS_INSUFFICIENT_RESOURCES 0x0E
+#define SD_CARD_STATUS_DEVICE_NOT_CONNECTED 0x10
+#define SD_CARD_STATUS_DEVICE_REMOVED 0x11
+#define SD_CARD_STATUS_DEVICE_NOT_RESPONDING 0x12
+#define SD_CARD_STATUS_CANCELED 0x13
+#define SD_CARD_STATUS_RESPONSE_TIMEOUT 0x14
+#define SD_CARD_STATUS_DATA_TIMEOUT 0x15
+#define SD_CARD_STATUS_DEVICE_RESPONSE_ERROR 0x16
+#define SD_CARD_STATUS_DEVICE_UNSUPPORTED 0x17
+
+/* Response structure */
+struct sd_r2_resp {
+ uint32_t rsp4; /* 127:96 */
+ uint32_t rsp3; /* 95:64 */
+ uint32_t rsp2; /* 63:32 */
+ uint32_t rsp1; /* 31:0 */
+};
+
+struct sd_r3_resp {
+ uint32_t ocr;
+};
+
+struct sd_r4_resp {
+ uint8_t cardReady;
+ uint8_t funcs;
+ uint8_t memPresent;
+ uint32_t ocr;
+};
+
+struct sd_r5_resp {
+ uint8_t data;
+};
+
+struct sd_r6_resp {
+ uint16_t rca;
+ uint16_t cardStatus;
+};
+
+struct sd_r7_resp {
+ uint16_t rca;
+};
+
+struct sd_resp {
+ uint8_t r1;
+ uint32_t cardStatus;
+ uint32_t rawData[4];
+ union {
+ struct sd_r2_resp r2;
+ struct sd_r3_resp r3;
+ struct sd_r4_resp r4;
+ struct sd_r5_resp r5;
+ struct sd_r6_resp r6;
+ struct sd_r7_resp r7;
+ } data;
+};
+
+struct sd_card_info {
+ uint32_t type; /* card type SD, MMC or SDIO */
+ uint64_t size; /* card size */
+ uint32_t speed; /* card speed */
+ uint32_t voltage; /* voltage supported */
+ uint32_t mId; /* manufacturer ID */
+ uint32_t oId; /* OEM ID */
+ uint32_t classes; /* card class */
+ uint32_t name1; /* product name part 1 */
+ uint32_t name2; /* product name part 2 */
+ uint32_t revision; /* revison */
+ uint32_t sn; /* serial number */
+ uint32_t numIoFuns; /* total I/O function number */
+ uint32_t maxRdBlkLen; /* max read block length */
+ uint32_t maxWtBlkLen; /* max write block length */
+ uint32_t blkMode; /* sdio card block mode support */
+ uint32_t f0Cis; /* sdio card block mode support */
+ uint32_t f1Cis; /* sdio card block mode support */
+
+ uint8_t partRead; /* partial block read allowed */
+ uint8_t partWrite; /* partial block write allowed */
+ uint8_t dsr; /* card DSR */
+ uint8_t rdCurMin; /* min current for read */
+ uint8_t rdCurMax; /* max current for read */
+ uint8_t wtCurMin; /* min current for write */
+ uint8_t wtCurMax; /* max current for write */
+ uint8_t erase; /* erase enable */
+ uint8_t eraseSecSize; /* erase sector size */
+ uint8_t proGrpSize; /* write protection group size */
+ uint8_t protect; /* permanent write protection or not */
+ uint8_t tmpProt; /* temp write protection or not */
+ uint8_t wtSpeed; /* write speed relatively to read */
+ uint8_t version; /* card version 0:1.0 - 1.01, 1:1.10, 2:2.0 */
+ uint8_t eraseState; /* if the data will be 0 or 1 after erase */
+ uint8_t bus; /* data with supported */
+ uint8_t security; /* security support 0, 2:1.01 3:2.0 */
+ uint8_t format; /* file format */
+ uint8_t fileGrp; /* file group */
+ char pwd[20]; /* password */
+};
+
+struct sd_handle {
+ struct sd_dev *device;
+ struct sd_card_info *card;
+};
+
+int sd_cmd0(struct sd_handle *handle);
+int sd_cmd1(struct sd_handle *handle, uint32_t initOcr, uint32_t *ocr);
+int sd_cmd2(struct sd_handle *handle);
+int sd_cmd3(struct sd_handle *handle);
+int sd_cmd7(struct sd_handle *handle, uint32_t rca);
+int sd_cmd9(struct sd_handle *handle, struct sd_card_data *card);
+int sd_cmd13(struct sd_handle *handle, uint32_t *status);
+int sd_cmd16(struct sd_handle *handle, uint32_t blockLen);
+int sd_cmd17(struct sd_handle *handle,
+ uint32_t addr, uint32_t len, uint8_t *buffer);
+int sd_cmd18(struct sd_handle *handle,
+ uint32_t addr, uint32_t len, uint8_t *buffer);
+#ifdef INCLUDE_EMMC_DRIVER_WRITE_CODE
+int sd_cmd24(struct sd_handle *handle,
+ uint32_t addr, uint32_t len, uint8_t *buffer);
+int sd_cmd25(struct sd_handle *handle,
+ uint32_t addr, uint32_t len, uint8_t *buffer);
+#endif
+#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
+int sd_cmd35(struct sd_handle *handle, uint32_t start);
+int sd_cmd36(struct sd_handle *handle, uint32_t end);
+int sd_cmd38(struct sd_handle *handle);
+#endif
+int mmc_cmd6(struct sd_handle *handle, uint32_t argument);
+int mmc_cmd8(struct sd_handle *handle, uint8_t *extCsdReg);
+
+int send_cmd(struct sd_handle *handle, uint32_t cmdIndex,
+ uint32_t argument, uint32_t options, struct sd_resp *resp);
+#endif /* CSL_SD_CMD_H */