diff options
Diffstat (limited to 'drivers/renesas/common/emmc')
-rw-r--r-- | drivers/renesas/common/emmc/emmc_cmd.c | 493 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_config.h | 20 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_def.h | 78 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_hal.h | 535 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_init.c | 163 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_interrupt.c | 217 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_mount.c | 686 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_read.c | 130 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_registers.h | 215 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_std.h | 475 | ||||
-rw-r--r-- | drivers/renesas/common/emmc/emmc_utility.c | 226 |
11 files changed, 3238 insertions, 0 deletions
diff --git a/drivers/renesas/common/emmc/emmc_cmd.c b/drivers/renesas/common/emmc/emmc_cmd.c new file mode 100644 index 0000000..d255bff --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_cmd.c @@ -0,0 +1,493 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> + +#include "emmc_config.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_registers.h" +#include "emmc_std.h" +#include "micro_delay.h" + +static void emmc_little_to_big(uint8_t *p, uint32_t value) +{ + if (p == NULL) + return; + + p[0] = (uint8_t) (value >> 24); + p[1] = (uint8_t) (value >> 16); + p[2] = (uint8_t) (value >> 8); + p[3] = (uint8_t) value; + +} + +static void emmc_softreset(void) +{ + int32_t loop = 10000; + int32_t retry = 1000; + + /* flag clear */ + mmc_drv_obj.during_cmd_processing = FALSE; + mmc_drv_obj.during_transfer = FALSE; + mmc_drv_obj.during_dma_transfer = FALSE; + mmc_drv_obj.state_machine_blocking = FALSE; + mmc_drv_obj.force_terminate = FALSE; + mmc_drv_obj.dma_error_flag = FALSE; + + /* during operation ? */ + if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) == 0) + goto reset; + + /* wait CMDSEQ = 0 */ + while (loop > 0) { + if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) == 0) + break; /* ready */ + + loop--; + if ((loop == 0) && (retry > 0)) { + rcar_micro_delay(1000U); /* wait 1ms */ + loop = 10000; + retry--; + } + } + +reset: + /* reset */ + SETR_32(SOFT_RST, (GETR_32(SOFT_RST) & (~SOFT_RST_SDRST))); + SETR_32(SOFT_RST, (GETR_32(SOFT_RST) | SOFT_RST_SDRST)); + + /* initialize */ + SETR_32(SD_INFO1, 0x00000000U); + SETR_32(SD_INFO2, SD_INFO2_CLEAR); + SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */ + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */ +} + +static void emmc_read_response(uint32_t *response) +{ + uint8_t *p; + + if (response == NULL) + return; + + /* read response */ + if (mmc_drv_obj.response_length != EMMC_MAX_RESPONSE_LENGTH) { + *response = GETR_32(SD_RSP10); /* [39:8] */ + return; + } + + /* CSD or CID */ + p = (uint8_t *) (response); + emmc_little_to_big(p, ((GETR_32(SD_RSP76) << 8) + | (GETR_32(SD_RSP54) >> 24))); /* [127:96] */ + emmc_little_to_big(p + 4, ((GETR_32(SD_RSP54) << 8) + | (GETR_32(SD_RSP32) >> 24))); /* [95:64] */ + emmc_little_to_big(p + 8, ((GETR_32(SD_RSP32) << 8) + | (GETR_32(SD_RSP10) >> 24))); /* [63:32] */ + emmc_little_to_big(p + 12, (GETR_32(SD_RSP10) << 8)); +} + +static EMMC_ERROR_CODE emmc_response_check(uint32_t *response, + uint32_t error_mask) +{ + + HAL_MEMCARD_RESPONSE_TYPE response_type = + ((HAL_MEMCARD_RESPONSE_TYPE)mmc_drv_obj.cmd_info.cmd & HAL_MEMCARD_RESPONSE_TYPE_MASK); + + if (response == NULL) + return EMMC_ERR_PARAM; + + if (response_type == HAL_MEMCARD_RESPONSE_NONE) + return EMMC_SUCCESS; + + + if (response_type <= HAL_MEMCARD_RESPONSE_R1b) { + /* R1 or R1b */ + mmc_drv_obj.current_state = + (EMMC_R1_STATE) ((*response & EMMC_R1_STATE_MASK) >> + EMMC_R1_STATE_SHIFT); + if ((*response & error_mask) != 0) { + if ((0x80 & *response) != 0) { + ERROR("BL2: emmc SWITCH_ERROR\n"); + } + return EMMC_ERR_CARD_STATUS_BIT; + } + return EMMC_SUCCESS; + } + + if (response_type == HAL_MEMCARD_RESPONSE_R4) { + if ((*response & EMMC_R4_STATUS) != 0) + return EMMC_ERR_CARD_STATUS_BIT; + } + + return EMMC_SUCCESS; +} + +static void emmc_WaitCmd2Cmd_8Cycle(void) +{ + uint32_t dataL, wait = 0; + + dataL = GETR_32(SD_CLK_CTRL); + dataL &= 0x000000FF; + + switch (dataL) { + case 0xFF: + case 0x00: + case 0x01: + case 0x02: + case 0x04: + case 0x08: + case 0x10: + case 0x20: + wait = 10U; + break; + case 0x40: + wait = 20U; + break; + case 0x80: + wait = 30U; + break; + } + + rcar_micro_delay(wait); +} + +static void cmdErrSdInfo2Log(void) +{ + ERROR("BL2: emmc ERR SD_INFO2 = 0x%x\n", mmc_drv_obj.error_info.info2); +} + +static void emmc_data_transfer_dma(void) +{ + mmc_drv_obj.during_dma_transfer = TRUE; + mmc_drv_obj.dma_error_flag = FALSE; + + SETR_32(SD_INFO1_MASK, 0x00000000U); + SETR_32(SD_INFO2_MASK, (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR)); + + /* DMAC setting */ + if (mmc_drv_obj.cmd_info.dir == HAL_MEMCARD_WRITE) { + /* transfer complete interrupt enable */ + SETR_32(DM_CM_INFO1_MASK, + (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH0_ENABLE)); + SETR_32(DM_CM_INFO2_MASK, + (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH0_ENABLE)); + /* BUFF --> FIFO */ + SETR_32(DM_CM_DTRAN_MODE, (DM_CM_DTRAN_MODE_CH0 | + DM_CM_DTRAN_MODE_BIT_WIDTH)); + } else { + /* transfer complete interrupt enable */ + SETR_32(DM_CM_INFO1_MASK, + (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH1_ENABLE)); + SETR_32(DM_CM_INFO2_MASK, + (DM_CM_INFO_MASK_CLEAR | DM_CM_INFO_CH1_ENABLE)); + /* FIFO --> BUFF */ + SETR_32(DM_CM_DTRAN_MODE, (DM_CM_DTRAN_MODE_CH1 + | DM_CM_DTRAN_MODE_BIT_WIDTH)); + } + SETR_32(DM_DTRAN_ADDR, (((uintptr_t) mmc_drv_obj.buff_address_virtual & + DM_DTRAN_ADDR_WRITE_MASK))); + + SETR_32(DM_CM_DTRAN_CTRL, DM_CM_DTRAN_CTRL_START); +} + +EMMC_ERROR_CODE emmc_exec_cmd(uint32_t error_mask, uint32_t *response) +{ + EMMC_ERROR_CODE rtn_code = EMMC_SUCCESS; + HAL_MEMCARD_RESPONSE_TYPE response_type; + HAL_MEMCARD_COMMAND_TYPE cmd_type; + EMMC_INT_STATE state; + uint32_t err_not_care_flag = FALSE; + + /* parameter check */ + if (response == NULL) { + emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* state check */ + if (mmc_drv_obj.clock_enable != TRUE) { + emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + if (mmc_drv_obj.state_machine_blocking == TRUE) { + emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, EMMC_ERR); + return EMMC_ERR; + } + + state = ESTATE_BEGIN; + response_type = + ((HAL_MEMCARD_RESPONSE_TYPE)mmc_drv_obj.cmd_info.cmd & + HAL_MEMCARD_RESPONSE_TYPE_MASK); + cmd_type = + ((HAL_MEMCARD_COMMAND_TYPE) mmc_drv_obj.cmd_info.cmd & + HAL_MEMCARD_COMMAND_TYPE_MASK); + + /* state machine */ + while ((mmc_drv_obj.force_terminate != TRUE) && (state != ESTATE_END)) { + /* The interrupt factor flag is observed. */ + emmc_interrupt(); + + /* wait interrupt */ + if (mmc_drv_obj.state_machine_blocking == TRUE) + continue; + + switch (state) { + case ESTATE_BEGIN: + /* Busy check */ + if ((mmc_drv_obj.error_info.info2 & SD_INFO2_CBSY) != 0) { + emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, + EMMC_ERR_CARD_BUSY); + return EMMC_ERR_CARD_BUSY; + } + + /* clear register */ + SETR_32(SD_INFO1, 0x00000000U); + SETR_32(SD_INFO2, SD_INFO2_CLEAR); + SETR_32(SD_INFO1_MASK, SD_INFO1_INFO0); + SETR_32(SD_INFO2_MASK, + (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR)); + + state = ESTATE_ISSUE_CMD; + /* through */ + + case ESTATE_ISSUE_CMD: + /* ARG */ + SETR_32(SD_ARG, mmc_drv_obj.cmd_info.arg); + /* issue cmd */ + SETR_32(SD_CMD, mmc_drv_obj.cmd_info.hw); + /* Set driver flag */ + mmc_drv_obj.during_cmd_processing = TRUE; + mmc_drv_obj.state_machine_blocking = TRUE; + + if (response_type == HAL_MEMCARD_RESPONSE_NONE) { + state = ESTATE_NON_RESP_CMD; + } else { + state = ESTATE_RCV_RESP; + } + + break; + + case ESTATE_NON_RESP_CMD: + /* interrupt disable */ + SETR_32(SD_INFO1_MASK, 0x00000000U); + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); + + /* check interrupt */ + if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) { + /* error interrupt */ + cmdErrSdInfo2Log(); + rtn_code = EMMC_ERR_INFO2; + state = ESTATE_ERROR; + } else if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO0) == + 0) { + /* not receive expected interrupt */ + rtn_code = EMMC_ERR_RESPONSE; + state = ESTATE_ERROR; + } else { + emmc_WaitCmd2Cmd_8Cycle(); + state = ESTATE_END; + } + break; + + case ESTATE_RCV_RESP: + /* interrupt disable */ + SETR_32(SD_INFO1_MASK, 0x00000000U); + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); + + /* check interrupt */ + if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) { + if ((mmc_drv_obj.get_partition_access_flag == + TRUE) + && ((mmc_drv_obj.int_event2 & SD_INFO2_ERR6) + != 0U)) { + err_not_care_flag = TRUE; + rtn_code = EMMC_ERR_CMD_TIMEOUT; + } else { + /* error interrupt */ + cmdErrSdInfo2Log(); + rtn_code = EMMC_ERR_INFO2; + } + state = ESTATE_ERROR; + break; + } else if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO0) == + 0) { + /* not receive expected interrupt */ + rtn_code = EMMC_ERR_RESPONSE; + state = ESTATE_ERROR; + break; + } + + /* read response */ + emmc_read_response(response); + + /* check response */ + rtn_code = emmc_response_check(response, error_mask); + if (rtn_code != EMMC_SUCCESS) { + state = ESTATE_ERROR; + break; + } + + if (response_type == HAL_MEMCARD_RESPONSE_R1b) { + /* R1b */ + SETR_32(SD_INFO2_MASK, + (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR)); + state = ESTATE_RCV_RESPONSE_BUSY; + } else { + state = ESTATE_CHECK_RESPONSE_COMPLETE; + } + break; + + case ESTATE_RCV_RESPONSE_BUSY: + /* check interrupt */ + if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) { + /* error interrupt */ + cmdErrSdInfo2Log(); + rtn_code = EMMC_ERR_INFO2; + state = ESTATE_ERROR; + break; + } + /* DAT0 not Busy */ + if ((SD_INFO2_DAT0 & mmc_drv_obj.error_info.info2) != 0) { + state = ESTATE_CHECK_RESPONSE_COMPLETE; + break; + } + break; + + case ESTATE_CHECK_RESPONSE_COMPLETE: + if (cmd_type >= HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE) { + state = ESTATE_DATA_TRANSFER; + } else { + emmc_WaitCmd2Cmd_8Cycle(); + state = ESTATE_END; + } + break; + + case ESTATE_DATA_TRANSFER: + /* ADTC command */ + mmc_drv_obj.during_transfer = TRUE; + mmc_drv_obj.state_machine_blocking = TRUE; + + if (mmc_drv_obj.transfer_mode == HAL_MEMCARD_DMA) { + /* DMA */ + emmc_data_transfer_dma(); + } else { + /* PIO */ + /* interrupt enable (FIFO read/write enable) */ + if (mmc_drv_obj.cmd_info.dir == + HAL_MEMCARD_WRITE) { + SETR_32(SD_INFO2_MASK, + (SD_INFO2_BWE | SD_INFO2_ALL_ERR + | SD_INFO2_CLEAR)); + } else { + SETR_32(SD_INFO2_MASK, + (SD_INFO2_BRE | SD_INFO2_ALL_ERR + | SD_INFO2_CLEAR)); + } + } + state = ESTATE_DATA_TRANSFER_COMPLETE; + break; + + case ESTATE_DATA_TRANSFER_COMPLETE: + /* check interrupt */ + if ((mmc_drv_obj.int_event2 & SD_INFO2_ALL_ERR) != 0) { + /* error interrupt */ + cmdErrSdInfo2Log(); + rtn_code = EMMC_ERR_INFO2; + state = ESTATE_TRANSFER_ERROR; + break; + } + + /* DMAC error ? */ + if (mmc_drv_obj.dma_error_flag == TRUE) { + /* Error occurred in DMAC driver. */ + rtn_code = EMMC_ERR_FROM_DMAC_TRANSFER; + state = ESTATE_TRANSFER_ERROR; + } else if (mmc_drv_obj.during_dma_transfer == TRUE) { + /* DMAC not finished. unknown error */ + rtn_code = EMMC_ERR; + state = ESTATE_TRANSFER_ERROR; + } else { + SETR_32(SD_INFO1_MASK, SD_INFO1_INFO2); + SETR_32(SD_INFO2_MASK, + (SD_INFO2_ALL_ERR | SD_INFO2_CLEAR)); + + mmc_drv_obj.state_machine_blocking = TRUE; + + state = ESTATE_ACCESS_END; + } + break; + + case ESTATE_ACCESS_END: + + /* clear flag */ + if (mmc_drv_obj.transfer_mode == HAL_MEMCARD_DMA) { + /* W (CC_EXT_MODE, H'0000_1010) SD_BUF DMA transfer disabled */ + SETR_32(CC_EXT_MODE, CC_EXT_MODE_CLEAR); + SETR_32(SD_STOP, 0x00000000U); + mmc_drv_obj.during_dma_transfer = FALSE; + } + + SETR_32(SD_INFO1_MASK, 0x00000000U); + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); + SETR_32(SD_INFO1, 0x00000000U); + SETR_32(SD_INFO2, SD_INFO2_CLEAR); + + if ((mmc_drv_obj.int_event1 & SD_INFO1_INFO2) != 0) { + emmc_WaitCmd2Cmd_8Cycle(); + state = ESTATE_END; + } else { + state = ESTATE_ERROR; + } + break; + + case ESTATE_TRANSFER_ERROR: + /* The error occurred in the Data transfer. */ + if (mmc_drv_obj.transfer_mode == HAL_MEMCARD_DMA) { + /* W (CC_EXT_MODE, H'0000_1010) SD_BUF DMA transfer disabled */ + SETR_32(CC_EXT_MODE, CC_EXT_MODE_CLEAR); + SETR_32(SD_STOP, 0x00000000U); + mmc_drv_obj.during_dma_transfer = FALSE; + } + /* through */ + + case ESTATE_ERROR: + if (err_not_care_flag == TRUE) { + mmc_drv_obj.during_cmd_processing = FALSE; + } else { + emmc_softreset(); + emmc_write_error_info(EMMC_FUNCNO_EXEC_CMD, + rtn_code); + } + return rtn_code; + + default: + state = ESTATE_END; + break; + } /* switch (state) */ + } /* while ( (mmc_drv_obj.force_terminate != TRUE) && (state != ESTATE_END) ) */ + + /* force terminate */ + if (mmc_drv_obj.force_terminate == TRUE) { + /* timeout timer is expired. Or, PIO data transfer error. */ + /* Timeout occurred in the DMA transfer. */ + if (mmc_drv_obj.during_dma_transfer == TRUE) { + mmc_drv_obj.during_dma_transfer = FALSE; + } + ERROR("BL2: emmc exec_cmd:EMMC_ERR_FORCE_TERMINATE\n"); + emmc_softreset(); + + return EMMC_ERR_FORCE_TERMINATE; /* error information has already been written. */ + } + + /* success */ + mmc_drv_obj.during_cmd_processing = FALSE; + mmc_drv_obj.during_transfer = FALSE; + + return EMMC_SUCCESS; +} diff --git a/drivers/renesas/common/emmc/emmc_config.h b/drivers/renesas/common/emmc/emmc_config.h new file mode 100644 index 0000000..16b6b8a --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_config.h @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef EMMC_CONFIG_H +#define EMMC_CONFIG_H + +/* RCA */ +#define EMMC_RCA 1UL +/* 314ms (freq = 400KHz, timeout Counter = 0x04(SDCLK * 2^17) */ +#define EMMC_RW_DATA_TIMEOUT 0x40UL +/* how many times to try after fail. Don't change. */ +#define EMMC_RETRY_COUNT 0 +#define EMMC_CMD_MAX 60UL /* Don't change. */ + +#define LOADIMAGE_FLAGS_DMA_ENABLE 0x00000001UL + +#endif /* EMMC_CONFIG_H */ diff --git a/drivers/renesas/common/emmc/emmc_def.h b/drivers/renesas/common/emmc/emmc_def.h new file mode 100644 index 0000000..178c795 --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_def.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2015-2017, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +/** + * @file emmc_def.h + * @brief eMMC boot is expecting this header file + * + */ + +#ifndef EMMC_DEF_H +#define EMMC_DEF_H + +#include "emmc_std.h" + +/* ************************ HEADER (INCLUDE) SECTION *********************** */ + +/* ***************** MACROS, CONSTANTS, COMPILATION FLAGS ****************** */ +#define EMMC_POWER_ON (1U) + +/* ********************** STRUCTURES, TYPE DEFINITIONS ********************* */ + +/* ********************** DECLARATION OF EXTERNAL DATA ********************* */ +extern st_mmc_base mmc_drv_obj; + +/* ************************** FUNCTION PROTOTYPES ************************** */ + +/** @brief for assembler program + */ +uint32_t _rom_emmc_finalize(void); + +/** @brief eMMC driver API + */ +EMMC_ERROR_CODE rcar_emmc_init(void); +EMMC_ERROR_CODE emmc_terminate(void); +EMMC_ERROR_CODE rcar_emmc_memcard_power(uint8_t mode); +EMMC_ERROR_CODE rcar_emmc_mount(void); +EMMC_ERROR_CODE emmc_set_request_mmc_clock(uint32_t *freq); +EMMC_ERROR_CODE emmc_send_idle_cmd(uint32_t arg); +EMMC_ERROR_CODE emmc_select_partition(EMMC_PARTITION_ID id); +EMMC_ERROR_CODE emmc_read_sector(uint32_t *buff_address_virtual, + uint32_t sector_number, uint32_t count, + uint32_t feature_flags); +EMMC_ERROR_CODE emmc_write_sector(uint32_t *buff_address_virtual, + uint32_t sector_number, uint32_t count, + uint32_t feature_flags); +EMMC_ERROR_CODE emmc_erase_sector(uint32_t *start_address, + uint32_t *end_address); +uint32_t emmc_bit_field(uint8_t *data, uint32_t top, uint32_t bottom); + +/** @brief interrupt service + */ +uint32_t emmc_interrupt(void); + +/** @brief DMA + */ + +/** @brief send command API + */ +EMMC_ERROR_CODE emmc_exec_cmd(uint32_t error_mask, uint32_t *response); +void emmc_make_nontrans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg); +void emmc_make_trans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg, + uint32_t *buff_address_virtual, uint32_t len, + HAL_MEMCARD_OPERATION dir, + HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode); +EMMC_ERROR_CODE emmc_set_ext_csd(uint32_t arg); + +/** @brief for error information + */ +void emmc_write_error_info(uint16_t func_no, EMMC_ERROR_CODE error_code); +void emmc_write_error_info_func_no(uint16_t func_no); + +/* ********************************* CODE ********************************** */ + +#endif /* EMMC_DEF_H */ +/* ******************************** END ************************************ */ diff --git a/drivers/renesas/common/emmc/emmc_hal.h b/drivers/renesas/common/emmc/emmc_hal.h new file mode 100644 index 0000000..0a85517 --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_hal.h @@ -0,0 +1,535 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef EMMC_HAL_H +#define EMMC_HAL_H + +/* memory card error/status types */ +#define HAL_MEMCARD_OUT_OF_RANGE 0x80000000L +#define HAL_MEMCARD_ADDRESS_ERROR 0x40000000L +#define HAL_MEMCARD_BLOCK_LEN_ERROR 0x20000000L +#define HAL_MEMCARD_ERASE_SEQ_ERROR 0x10000000L +#define HAL_MEMCARD_ERASE_PARAM 0x08000000L +#define HAL_MEMCARD_WP_VIOLATION 0x04000000L +#define HAL_MEMCARD_CARD_IS_LOCKED 0x02000000L +#define HAL_MEMCARD_LOCK_UNLOCK_FAILED 0x01000000L +#define HAL_MEMCARD_COM_CRC_ERROR 0x00800000L +#define HAL_MEMCARD_ILEGAL_COMMAND 0x00400000L +#define HAL_MEMCARD_CARD_ECC_FAILED 0x00200000L +#define HAL_MEMCARD_CC_ERROR 0x00100000L +#define HAL_MEMCARD_ERROR 0x00080000L +#define HAL_MEMCARD_UNDERRUN 0x00040000L +#define HAL_MEMCARD_OVERRUN 0x00020000L +#define HAL_MEMCARD_CIDCSD_OVERWRITE 0x00010000L +#define HAL_MEMCARD_WP_ERASE_SKIP 0x00008000L +#define HAL_MEMCARD_CARD_ECC_DISABLED 0x00004000L +#define HAL_MEMCARD_ERASE_RESET 0x00002000L +#define HAL_MEMCARD_CARD_STATE 0x00001E00L +#define HAL_MEMCARD_CARD_READY_FOR_DATA 0x00000100L +#define HAL_MEMCARD_APP_CMD 0x00000020L +#define HAL_MEMCARD_SWITCH_ERROR 0x00000080L +#define HAL_MEMCARD_AKE_SEQ_ERROR 0x00000008L +#define HAL_MEMCARD_NO_ERRORS 0x00000000L + +/* Memory card response types */ +#define HAL_MEMCARD_COMMAND_INDEX_MASK 0x0003f + +/* Type of the return value. */ +typedef enum { + HAL_MEMCARD_FAIL = 0U, + HAL_MEMCARD_OK = 1U, + HAL_MEMCARD_DMA_ALLOC_FAIL = 2U, /* DMA channel allocation failed */ + HAL_MEMCARD_DMA_TRANSFER_FAIL = 3U, /* DMA transfer failed */ + HAL_MEMCARD_CARD_STATUS_ERROR = 4U, /* card status non-masked error */ + HAL_MEMCARD_CMD_TIMEOUT = 5U, /* Command timeout occurred */ + HAL_MEMCARD_DATA_TIMEOUT = 6U, /* Data timeout occurred */ + HAL_MEMCARD_CMD_CRC_ERROR = 7U, /* Command CRC error occurred */ + HAL_MEMCARD_DATA_CRC_ERROR = 8U /* Data CRC error occurred */ +} HAL_MEMCARD_RETURN; + +/* memory access operation */ +typedef enum { + HAL_MEMCARD_READ = 0U, /* read */ + HAL_MEMCARD_WRITE = 1U /* write */ +} HAL_MEMCARD_OPERATION; + +/* Type of data width on memorycard bus */ +typedef enum { + HAL_MEMCARD_DATA_WIDTH_1_BIT = 0U, + HAL_MEMCARD_DATA_WIDTH_4_BIT = 1U, + HAL_MEMCARD_DATA_WIDTH_8_BIT = 2U +} HAL_MEMCARD_DATA_WIDTH; /* data (bus) width types */ + +/* Presence of the memory card */ +typedef enum { + HAL_MEMCARD_CARD_IS_IN = 0U, + HAL_MEMCARD_CARD_IS_OUT = 1U +} HAL_MEMCARD_PRESENCE_STATUS; /* presence status of the memory card */ + +/* mode of data transfer */ +typedef enum { + HAL_MEMCARD_DMA = 0U, + HAL_MEMCARD_NOT_DMA = 1U +} HAL_MEMCARD_DATA_TRANSFER_MODE; + +/* Memory card response types. */ +typedef enum hal_memcard_response_type { + HAL_MEMCARD_RESPONSE_NONE = 0x00000U, + HAL_MEMCARD_RESPONSE_R1 = 0x00100U, + HAL_MEMCARD_RESPONSE_R1b = 0x00200U, + HAL_MEMCARD_RESPONSE_R2 = 0x00300U, + HAL_MEMCARD_RESPONSE_R3 = 0x00400U, + HAL_MEMCARD_RESPONSE_R4 = 0x00500U, + HAL_MEMCARD_RESPONSE_R5 = 0x00600U, + HAL_MEMCARD_RESPONSE_R6 = 0x00700U, + HAL_MEMCARD_RESPONSE_R7 = 0x00800U, + HAL_MEMCARD_RESPONSE_TYPE_MASK = 0x00f00U +} HAL_MEMCARD_RESPONSE_TYPE; + +/* Memory card command types. */ +typedef enum hal_memcard_command_type { + HAL_MEMCARD_COMMAND_TYPE_BC = 0x00000U, + HAL_MEMCARD_COMMAND_TYPE_BCR = 0x01000U, + HAL_MEMCARD_COMMAND_TYPE_AC = 0x02000U, + HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE = 0x03000U, + HAL_MEMCARD_COMMAND_TYPE_ADTC_READ = 0x04000U, + HAL_MEMCARD_COMMAND_TYPE_MASK = 0x07000U +} HAL_MEMCARD_COMMAND_TYPE; + +/* Type of memory card */ +typedef enum hal_memcard_command_card_type { + HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON = 0x00000U, + HAL_MEMCARD_COMMAND_CARD_TYPE_MMC = 0x08000U, + HAL_MEMCARD_COMMAND_CARD_TYPE_SD = 0x10000U, + HAL_MEMCARD_COMMAND_CARD_TYPE_MASK = 0x18000U +} HAL_MEMCARD_COMMAND_CARD_TYPE; + +/* Memory card application command. */ +typedef enum hal_memcard_command_app_norm { + HAL_MEMCARD_COMMAND_NORMAL = 0x00000U, + HAL_MEMCARD_COMMAND_APP = 0x20000U, + HAL_MEMCARD_COMMAND_APP_NORM_MASK = 0x20000U +} HAL_MEMCARD_COMMAND_APP_NORM; + +/* Memory card command codes. */ +typedef enum { +/* class 0 and class 1 */ + /* CMD0 */ + CMD0_GO_IDLE_STATE = + 0U | (uint32_t)HAL_MEMCARD_RESPONSE_NONE | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BC | + (uint32_t) HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD1 */ + CMD1_SEND_OP_COND = + 1U | (uint32_t)HAL_MEMCARD_RESPONSE_R3 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD2 */ + CMD2_ALL_SEND_CID_MMC = + 2U | (uint32_t)HAL_MEMCARD_RESPONSE_R2 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD2_ALL_SEND_CID_SD = + 2U | (uint32_t)HAL_MEMCARD_RESPONSE_R2 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD3 */ + CMD3_SET_RELATIVE_ADDR = + 3U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD3_SEND_RELATIVE_ADDR = + 3U | (uint32_t)HAL_MEMCARD_RESPONSE_R6 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD4 */ + CMD4_SET_DSR = + 4U | (uint32_t)HAL_MEMCARD_RESPONSE_NONE | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD5 */ + CMD5_SLEEP_AWAKE = + 5U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD6 */ + CMD6_SWITCH = + 6U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD6_SWITCH_FUNC = + 6U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + ACMD6_SET_BUS_WIDTH = + 6U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + /* CMD7 */ + CMD7_SELECT_CARD = + 7U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD7(from Disconnected State to Programming State) */ + CMD7_SELECT_CARD_PROG = + 7U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD7_DESELECT_CARD = + 7U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD8 */ + CMD8_SEND_EXT_CSD = + 8U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD8_SEND_IF_COND = + 8U | (uint32_t)HAL_MEMCARD_RESPONSE_R7 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD9 */ + CMD9_SEND_CSD = + 9U | (uint32_t)HAL_MEMCARD_RESPONSE_R2 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD10 */ + CMD10_SEND_CID = + 10U | (uint32_t)HAL_MEMCARD_RESPONSE_R2 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD11 */ + CMD11_READ_DAT_UNTIL_STOP = + 11U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD12 */ + CMD12_STOP_TRANSMISSION = + 12U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD12(R1b : write case) */ + CMD12_STOP_TRANSMISSION_WRITE = + 12U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD13 */ + CMD13_SEND_STATUS = + 13U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + ACMD13_SD_STATUS = + 13U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + /* CMD14 */ + CMD14_BUSTEST_R = + 14U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD15 */ + CMD15_GO_INACTIVE_STATE = + 15U | (uint32_t)HAL_MEMCARD_RESPONSE_NONE | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + +/* class 2 */ + /* CMD16 */ + CMD16_SET_BLOCKLEN = + 16U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD17 */ + CMD17_READ_SINGLE_BLOCK = + 17U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD18 */ + CMD18_READ_MULTIPLE_BLOCK = + 18U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD19 */ + CMD19_BUS_TEST_W = + 19U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + +/* class 3 */ + /* CMD20 */ + CMD20_WRITE_DAT_UNTIL_STOP = + 20U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD21 */ + CMD21 = 21U, + /* CMD22 */ + CMD22 = 22U, + ACMD22_SEND_NUM_WR_BLOCKS = + 22U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + +/* class 4 */ + /* CMD23 */ + CMD23_SET_BLOCK_COUNT = + 23U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + ACMD23_SET_WR_BLK_ERASE_COUNT = + 23U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + /* CMD24 */ + CMD24_WRITE_BLOCK = + 24U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD25 */ + CMD25_WRITE_MULTIPLE_BLOCK = + 25U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD26 */ + CMD26_PROGRAM_CID = + 26U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD27 */ + CMD27_PROGRAM_CSD = + 27U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + +/* class 6 */ + /* CMD28 */ + CMD28_SET_WRITE_PROT = + 28U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD29 */ + CMD29_CLR_WRITE_PROT = + 29U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD30 */ + CMD30_SEND_WRITE_PROT = + 30U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD31 */ + CMD30_SEND_WRITE_PROT_TYPE = + 31U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + +/* class 5 */ + /* CMD32 */ + CMD32_ERASE_WR_BLK_START = + 32U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD33 */ + CMD33_ERASE_WR_BLK_END = + 33U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD34 */ + CMD34 = 34U, + /* CMD35 */ + CMD35_ERASE_GROUP_START = + 35U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD36 */ + CMD36_ERASE_GROUP_END = + 36U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD37 */ + CMD37 = 37U, + /* CMD38 */ + CMD38_ERASE = + 38U | (uint32_t)HAL_MEMCARD_RESPONSE_R1b | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + +/* class 9 */ + /* CMD39 */ + CMD39_FASTIO = + 39U | (uint32_t)HAL_MEMCARD_RESPONSE_R4 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD40 */ + CMD40_GO_IRQSTATE = + 40U | (uint32_t)HAL_MEMCARD_RESPONSE_R5 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_MMC | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD41 */ + CMD41 = 41, + ACMD41_SD_SEND_OP_COND = + 41U | (uint32_t)HAL_MEMCARD_RESPONSE_R3 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_BCR | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + +/* class 7 */ + /* CMD42 */ + CMD42_LOCK_UNLOCK = + 42U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + ACMD42_SET_CLR_CARD_DETECT = + 42U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + CMD43 = 43U, /* CMD43 */ + CMD44 = 44U, /* CMD44 */ + CMD45 = 45U, /* CMD45 */ + CMD46 = 46U, /* CMD46 */ + CMD47 = 47U, /* CMD47 */ + CMD48 = 48U, /* CMD48 */ + CMD49 = 49U, /* CMD49 */ + CMD50 = 50U, /* CMD50 */ + CMD51 = 51U, /* CMD51 */ + ACMD51_SEND_SCR = + 51U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_READ | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_SD | + (uint32_t)HAL_MEMCARD_COMMAND_APP, + CMD52 = 52U, /* CMD52 */ + CMD53 = 53U, /* CMD53 */ + CMD54 = 54U, /* CMD54 */ + +/* class 8 */ + /* CMD55 */ + CMD55_APP_CMD = + 55U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_AC | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + /* CMD56 */ + CMD56_GEN_CMD = + 56U | (uint32_t)HAL_MEMCARD_RESPONSE_R1 | + (uint32_t)HAL_MEMCARD_COMMAND_TYPE_ADTC_WRITE | + (uint32_t)HAL_MEMCARD_COMMAND_CARD_TYPE_COMMON | + (uint32_t)HAL_MEMCARD_COMMAND_NORMAL, + CMD57 = 57U, /* CMD57 */ + CMD58 = 58U, /* CMD58 */ + CMD59 = 59U, /* CMD59 */ + CMD60 = 60U, /* CMD60 */ + CMD61 = 61U, /* CMD61 */ + CMD62 = 62U, /* CMD62 */ + CMD63 = 63U /* CMD63 */ +} HAL_MEMCARD_COMMAND; + +/* + * Configuration structure from HAL layer. + * + * If some field is not available it should be filled with 0xFF. + * The API version is 32-bit unsigned integer telling the version of the API. + * The integer is divided to four sections which each can be treated as a 8-bit + * unsigned number: + * Bits 31-24 make the most significant part of the version number. This number + * starts from 1 i.e. the second version of the API will be 0x02xxxxxx. This + * number changes only, if the API itself changes so much that it is not + * compatible anymore with older releases. + * Bits 23-16 API minor version number. For example API version 2.1 would be + * 0x0201xxxx. + * Bits 15-8 are the number of the year when release is done. The 0 is year + * 2000, 1 is year 2001 and so on + * Bits 7- are the week number when release is done. First full week of the + * year is 1 + * + * Example: let's assume that release 2.1 is done on week 10 year 2008 + * the version will get the value 0x0201080A + */ +typedef struct { + /* + * Version of the chipset API implementation + * + * bits [31:24] API specification major version number.<br> + * bits [23:16] API specification minor version number.<br> + * bits [15:8] API implementation year. (2000 = 0, 2001 = 1, ...) + * bits [7:0] API implementation week. + * Example: API spec version 4.0, implementation w46 2008 => 0x0400082E + */ + uint32_t api_version; + + /* maximum block count which can be transferred at once */ + uint32_t max_block_count; + + /* maximum clock frequence in Hz supported by HW */ + uint32_t max_clock_freq; + + /* maximum data bus width supported by HW */ + uint16_t max_data_width; + + /* Is high-speed mode supported by HW (yes=1, no=0) */ + uint8_t hs_mode_supported; + + /* Is memory card removable (yes=1, no=0) */ + uint8_t card_removable; + +} HAL_MEMCARD_HW_CONF; + +/* Configuration structure to HAL layer. */ +typedef struct { + /* how many times to try after fail, for instance sending command */ + uint32_t retries_after_fail; +} HAL_MEMCARD_INIT_CONF; + +#endif /* EMMC_HAL_H */ diff --git a/drivers/renesas/common/emmc/emmc_init.c b/drivers/renesas/common/emmc/emmc_init.c new file mode 100644 index 0000000..c0ec600 --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_init.c @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2015-2021, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <stddef.h> + +#include <lib/mmio.h> + +#include "emmc_config.h" +#include "emmc_hal.h" +#include "emmc_std.h" +#include "emmc_registers.h" +#include "emmc_def.h" +#include "rcar_private.h" +#include "cpg_registers.h" + +st_mmc_base mmc_drv_obj; + +EMMC_ERROR_CODE rcar_emmc_memcard_power(uint8_t mode) +{ + + if (mode == TRUE) { + /* power on (Vcc&Vccq is always power on) */ + mmc_drv_obj.card_power_enable = TRUE; + } else { + /* power off (Vcc&Vccq is always power on) */ + mmc_drv_obj.card_power_enable = FALSE; + mmc_drv_obj.mount = FALSE; + mmc_drv_obj.selected = FALSE; + } + + return EMMC_SUCCESS; +} +static inline void emmc_set_retry_count(uint32_t retry) +{ + mmc_drv_obj.retries_after_fail = retry; +} + +static inline void emmc_set_data_timeout(uint32_t data_timeout) +{ + mmc_drv_obj.data_timeout = data_timeout; +} + +static void emmc_memset(uint8_t *buff, uint8_t data, uint32_t cnt) +{ + if (buff == NULL) { + return; + } + + while (cnt > 0) { + *buff++ = data; + cnt--; + } +} + +static void emmc_driver_config(void) +{ + emmc_set_retry_count(EMMC_RETRY_COUNT); + emmc_set_data_timeout(EMMC_RW_DATA_TIMEOUT); +} + +static void emmc_drv_init(void) +{ + emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base)); + mmc_drv_obj.card_present = HAL_MEMCARD_CARD_IS_IN; + mmc_drv_obj.data_timeout = EMMC_RW_DATA_TIMEOUT; + mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT; +} + +static EMMC_ERROR_CODE emmc_dev_finalize(void) +{ + EMMC_ERROR_CODE result; + uint32_t dataL; + + /* + * MMC power off + * the power supply of eMMC device is always turning on. + * RST_n : Hi --> Low level. + */ + result = rcar_emmc_memcard_power(FALSE); + + /* host controller reset */ + SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */ + SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */ + SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */ + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */ + SETR_32(SD_CLK_CTRL, 0x00000000U); /* MMC clock stop */ + + dataL = mmio_read_32(SMSTPCR3); + if ((dataL & CPG_MSTP_MMC) == 0U) { + dataL |= (CPG_MSTP_MMC); + mmio_write_32(CPG_CPGWPR, (~dataL)); + mmio_write_32(SMSTPCR3, dataL); + } + + return result; +} + +static EMMC_ERROR_CODE emmc_dev_init(void) +{ + /* Enable clock supply to eMMC. */ + mstpcr_write(SMSTPCR3, CPG_MSTPSR3, CPG_MSTP_MMC); + + /* Set SD clock */ + mmio_write_32(CPG_CPGWPR, ~((uint32_t) (BIT9 | BIT0))); /* SD phy 200MHz */ + + /* Stop SDnH clock & SDn=200MHz */ + mmio_write_32(CPG_SDxCKCR, (BIT9 | BIT0)); + + /* MMCIF initialize */ + SETR_32(SD_INFO1, 0x00000000U); /* all interrupt clear */ + SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* all interrupt clear */ + SETR_32(SD_INFO1_MASK, 0x00000000U); /* all interrupt disable */ + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* all interrupt disable */ + + SETR_32(HOST_MODE, 0x00000000U); /* SD_BUF access width = 64-bit */ + SETR_32(SD_OPTION, 0x0000C0EEU); /* Bus width = 1bit, timeout=MAX */ + SETR_32(SD_CLK_CTRL, 0x00000000U); /* Disable Automatic Control & Clock Output */ + + return EMMC_SUCCESS; +} + +static EMMC_ERROR_CODE emmc_reset_controller(void) +{ + EMMC_ERROR_CODE result; + + /* initialize mmc driver */ + emmc_drv_init(); + + /* initialize H/W */ + result = emmc_dev_init(); + if (result == EMMC_SUCCESS) { + mmc_drv_obj.initialize = TRUE; + } + + return result; + +} + +EMMC_ERROR_CODE emmc_terminate(void) +{ + EMMC_ERROR_CODE result; + + result = emmc_dev_finalize(); + + emmc_memset((uint8_t *) (&mmc_drv_obj), 0, sizeof(st_mmc_base)); + + return result; +} + +EMMC_ERROR_CODE rcar_emmc_init(void) +{ + EMMC_ERROR_CODE result; + + result = emmc_reset_controller(); + if (result == EMMC_SUCCESS) { + emmc_driver_config(); + } + + return result; +} diff --git a/drivers/renesas/common/emmc/emmc_interrupt.c b/drivers/renesas/common/emmc/emmc_interrupt.c new file mode 100644 index 0000000..092fdfb --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_interrupt.c @@ -0,0 +1,217 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights + * reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <stddef.h> + +#include <lib/mmio.h> + +#include "emmc_config.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_registers.h" +#include "emmc_std.h" +#include "rcar_def.h" + +static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual); + +uint32_t emmc_interrupt(void) +{ + EMMC_ERROR_CODE result; + uint32_t prr_data; + uint32_t cut_ver; + uint32_t end_bit; + + prr_data = mmio_read_32((uintptr_t) RCAR_PRR); + cut_ver = prr_data & PRR_CUT_MASK; + if ((prr_data & PRR_PRODUCT_MASK) == PRR_PRODUCT_H3) { + if (cut_ver == PRR_PRODUCT_10) { + end_bit = BIT17; + } else if (cut_ver == PRR_PRODUCT_11) { + end_bit = BIT17; + } else { + end_bit = BIT20; + } + } else if ((prr_data & PRR_PRODUCT_MASK) == PRR_PRODUCT_M3) { + if (cut_ver == PRR_PRODUCT_10) { + end_bit = BIT17; + } else { + end_bit = BIT20; + } + } else { + end_bit = BIT20; + } + + /* SD_INFO */ + mmc_drv_obj.error_info.info1 = GETR_32(SD_INFO1); + mmc_drv_obj.error_info.info2 = GETR_32(SD_INFO2); + + /* SD_INFO EVENT */ + mmc_drv_obj.int_event1 = + mmc_drv_obj.error_info.info1 & GETR_32(SD_INFO1_MASK); + mmc_drv_obj.int_event2 = + mmc_drv_obj.error_info.info2 & GETR_32(SD_INFO2_MASK); + + /* ERR_STS */ + mmc_drv_obj.error_info.status1 = GETR_32(SD_ERR_STS1); + mmc_drv_obj.error_info.status2 = GETR_32(SD_ERR_STS2); + + /* DM_CM_INFO */ + mmc_drv_obj.error_info.dm_info1 = GETR_32(DM_CM_INFO1); + mmc_drv_obj.error_info.dm_info2 = GETR_32(DM_CM_INFO2); + + /* DM_CM_INFO EVENT */ + mmc_drv_obj.dm_event1 = + mmc_drv_obj.error_info.dm_info1 & GETR_32(DM_CM_INFO1_MASK); + mmc_drv_obj.dm_event2 = + mmc_drv_obj.error_info.dm_info2 & GETR_32(DM_CM_INFO2_MASK); + + /* ERR SD_INFO2 */ + if ((SD_INFO2_ALL_ERR & mmc_drv_obj.int_event2) != 0) { + SETR_32(SD_INFO1_MASK, 0x00000000U); /* interrupt disable */ + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); /* interrupt disable */ + SETR_32(SD_INFO1, 0x00000000U); /* interrupt clear */ + SETR_32(SD_INFO2, SD_INFO2_CLEAR); /* interrupt clear */ + mmc_drv_obj.state_machine_blocking = FALSE; + } + + /* PIO Transfer */ + /* BWE/BRE */ + else if (((SD_INFO2_BWE | SD_INFO2_BRE) & mmc_drv_obj.int_event2)) { + /* BWE */ + if (SD_INFO2_BWE & mmc_drv_obj.int_event2) { + SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE)); + } + /* BRE */ + else { + SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE)); + } + + result = emmc_trans_sector(mmc_drv_obj.buff_address_virtual); + mmc_drv_obj.buff_address_virtual += EMMC_BLOCK_LENGTH; + mmc_drv_obj.remain_size -= EMMC_BLOCK_LENGTH; + + if (result != EMMC_SUCCESS) { + /* data transfer error */ + emmc_write_error_info(EMMC_FUNCNO_NONE, result); + + /* Panic */ + SETR_32(SD_INFO1_MASK, 0x00000000U); + SETR_32(SD_INFO2_MASK, SD_INFO2_CLEAR); + SETR_32(SD_INFO1, 0x00000000U); + /* interrupt clear */ + SETR_32(SD_INFO2, SD_INFO2_CLEAR); + mmc_drv_obj.force_terminate = TRUE; + } else { + mmc_drv_obj.during_transfer = FALSE; + } + mmc_drv_obj.state_machine_blocking = FALSE; + } + + /* DMA_TRANSFER */ + /* DM_CM_INFO1: DMA-ch0 transfer complete or error occurred */ + else if ((BIT16 & mmc_drv_obj.dm_event1) != 0) { + SETR_32(DM_CM_INFO1, 0x00000000U); + SETR_32(DM_CM_INFO2, 0x00000000U); + /* interrupt clear */ + SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BWE)); + /* DM_CM_INFO2: DMA-ch0 error occurred */ + if ((BIT16 & mmc_drv_obj.dm_event2) != 0) { + mmc_drv_obj.dma_error_flag = TRUE; + } else { + mmc_drv_obj.during_dma_transfer = FALSE; + mmc_drv_obj.during_transfer = FALSE; + } + /* wait next interrupt */ + mmc_drv_obj.state_machine_blocking = FALSE; + } + /* DM_CM_INFO1: DMA-ch1 transfer complete or error occurred */ + else if ((end_bit & mmc_drv_obj.dm_event1) != 0U) { + SETR_32(DM_CM_INFO1, 0x00000000U); + SETR_32(DM_CM_INFO2, 0x00000000U); + /* interrupt clear */ + SETR_32(SD_INFO2, (GETR_32(SD_INFO2) & ~SD_INFO2_BRE)); + /* DM_CM_INFO2: DMA-ch1 error occurred */ + if ((BIT17 & mmc_drv_obj.dm_event2) != 0) { + mmc_drv_obj.dma_error_flag = TRUE; + } else { + mmc_drv_obj.during_dma_transfer = FALSE; + mmc_drv_obj.during_transfer = FALSE; + } + /* wait next interrupt */ + mmc_drv_obj.state_machine_blocking = FALSE; + } + + /* Response end */ + else if ((SD_INFO1_INFO0 & mmc_drv_obj.int_event1) != 0) { + /* interrupt clear */ + SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO0)); + mmc_drv_obj.state_machine_blocking = FALSE; + } + /* Access end */ + else if ((SD_INFO1_INFO2 & mmc_drv_obj.int_event1) != 0) { + /* interrupt clear */ + SETR_32(SD_INFO1, (GETR_32(SD_INFO1) & ~SD_INFO1_INFO2)); + mmc_drv_obj.state_machine_blocking = FALSE; + } else { + /* nothing to do. */ + } + + return (uint32_t) 0; +} + +static EMMC_ERROR_CODE emmc_trans_sector(uint32_t *buff_address_virtual) +{ + uint32_t length, i; + uint64_t *bufPtrLL; + + if (buff_address_virtual == NULL) { + return EMMC_ERR_PARAM; + } + + if ((mmc_drv_obj.during_transfer != TRUE) + || (mmc_drv_obj.remain_size == 0)) { + return EMMC_ERR_STATE; + } + + bufPtrLL = (uint64_t *) buff_address_virtual; + length = mmc_drv_obj.remain_size; + + /* data transefer */ + for (i = 0; i < (length >> 3); i++) { + /* Write */ + if (mmc_drv_obj.cmd_info.dir == HAL_MEMCARD_WRITE) { + SETR_64(SD_BUF0, *bufPtrLL); /* buffer --> FIFO */ + } + /* Read */ + else { + /* Checks when the read data reaches SD_SIZE. */ + /* The BRE bit is cleared at emmc_interrupt function. */ + if (((i % + (uint32_t) (EMMC_BLOCK_LENGTH >> + EMMC_BUF_SIZE_SHIFT)) == 0U) + && (i != 0U)) { + /* BRE check */ + while (((GETR_32(SD_INFO2)) & SD_INFO2_BRE) == + 0U) { + /* ERROR check */ + if (((GETR_32(SD_INFO2)) & + SD_INFO2_ALL_ERR) != 0U) { + return EMMC_ERR_TRANSFER; + } + } + /* BRE clear */ + SETR_32(SD_INFO2, + (uint32_t) (GETR_32(SD_INFO2) & + ~SD_INFO2_BRE)); + } + *bufPtrLL = GETR_64(SD_BUF0); /* FIFO --> buffer */ + } + bufPtrLL++; + } + + return EMMC_SUCCESS; +} diff --git a/drivers/renesas/common/emmc/emmc_mount.c b/drivers/renesas/common/emmc/emmc_mount.c new file mode 100644 index 0000000..e04afd4 --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_mount.c @@ -0,0 +1,686 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> +#include <lib/mmio.h> + +#include "emmc_config.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_registers.h" +#include "emmc_std.h" +#include "micro_delay.h" +#include "rcar_def.h" + +static EMMC_ERROR_CODE emmc_clock_ctrl(uint8_t mode); +static EMMC_ERROR_CODE emmc_card_init(void); +static EMMC_ERROR_CODE emmc_high_speed(void); +static EMMC_ERROR_CODE emmc_bus_width(uint32_t width); +static uint32_t emmc_set_timeout_register_value(uint32_t freq); +static void set_sd_clk(uint32_t clkDiv); +static uint32_t emmc_calc_tran_speed(uint32_t *freq); +static void emmc_get_partition_access(void); +static void emmc_set_bootpartition(void); + +static void emmc_set_bootpartition(void) +{ + uint32_t reg; + + reg = mmio_read_32(RCAR_PRR) & (PRR_PRODUCT_MASK | PRR_CUT_MASK); + if (reg == PRR_PRODUCT_M3_CUT10) { + mmc_drv_obj.boot_partition_en = + (EMMC_PARTITION_ID) ((mmc_drv_obj.ext_csd_data[179] & + EMMC_BOOT_PARTITION_EN_MASK) >> + EMMC_BOOT_PARTITION_EN_SHIFT); + } else if ((reg == PRR_PRODUCT_H3_CUT20) + || (reg == PRR_PRODUCT_M3_CUT11)) { + mmc_drv_obj.boot_partition_en = mmc_drv_obj.partition_access; + } else { + if ((mmio_read_32(MFISBTSTSR) & MFISBTSTSR_BOOT_PARTITION) != + 0U) { + mmc_drv_obj.boot_partition_en = PARTITION_ID_BOOT_2; + } else { + mmc_drv_obj.boot_partition_en = PARTITION_ID_BOOT_1; + } + } +} + +static EMMC_ERROR_CODE emmc_card_init(void) +{ + int32_t retry; + uint32_t freq = MMC_400KHZ; /* 390KHz */ + EMMC_ERROR_CODE result; + uint32_t result_calc; + + /* state check */ + if ((mmc_drv_obj.initialize != TRUE) + || (mmc_drv_obj.card_power_enable != TRUE) + || ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) + ) { + emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* clock on (force change) */ + mmc_drv_obj.current_freq = 0; + mmc_drv_obj.max_freq = MMC_20MHZ; + result = emmc_set_request_mmc_clock(&freq); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return EMMC_ERR; + } + + rcar_micro_delay(1000U); /* wait 1ms */ + + /* Get current access partition */ + emmc_get_partition_access(); + + /* CMD0, arg=0x00000000 */ + result = emmc_send_idle_cmd(0x00000000); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + rcar_micro_delay(200U); /* wait 74clock 390kHz(189.74us) */ + + /* CMD1 */ + emmc_make_nontrans_cmd(CMD1_SEND_OP_COND, EMMC_HOST_OCR_VALUE); + for (retry = 300; retry > 0; retry--) { + result = + emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + if ((mmc_drv_obj.r3_ocr & EMMC_OCR_STATUS_BIT) != 0) { + break; /* card is ready. exit loop */ + } + rcar_micro_delay(1000U); /* wait 1ms */ + } + + if (retry == 0) { + emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR_TIMEOUT); + return EMMC_ERR_TIMEOUT; + } + + switch (mmc_drv_obj.r3_ocr & EMMC_OCR_ACCESS_MODE_MASK) { + case EMMC_OCR_ACCESS_MODE_SECT: + mmc_drv_obj.access_mode = TRUE; /* sector mode */ + break; + default: + /* unknown value */ + emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, EMMC_ERR); + return EMMC_ERR; + } + + /* CMD2 */ + emmc_make_nontrans_cmd(CMD2_ALL_SEND_CID_MMC, 0x00000000); + mmc_drv_obj.response = (uint32_t *) (&mmc_drv_obj.cid_data[0]); /* use CID special buffer */ + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + /* CMD3 */ + emmc_make_nontrans_cmd(CMD3_SET_RELATIVE_ADDR, EMMC_RCA << 16); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + /* CMD9 (CSD) */ + emmc_make_nontrans_cmd(CMD9_SEND_CSD, EMMC_RCA << 16); + mmc_drv_obj.response = (uint32_t *) (&mmc_drv_obj.csd_data[0]); /* use CSD special buffer */ + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + /* card version check */ + if (EMMC_CSD_SPEC_VARS() < 4) { + emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, + EMMC_ERR_ILLEGAL_CARD); + return EMMC_ERR_ILLEGAL_CARD; + } + + /* CMD7 (select card) */ + emmc_make_nontrans_cmd(CMD7_SELECT_CARD, EMMC_RCA << 16); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + mmc_drv_obj.selected = TRUE; + + /* + * card speed check + * Card spec is calculated from TRAN_SPEED(CSD) + */ + result_calc = emmc_calc_tran_speed(&freq); + if (result_calc == 0) { + emmc_write_error_info(EMMC_FUNCNO_CARD_INIT, + EMMC_ERR_ILLEGAL_CARD); + return EMMC_ERR_ILLEGAL_CARD; + } + mmc_drv_obj.max_freq = freq; /* max frequency (card spec) */ + + result = emmc_set_request_mmc_clock(&freq); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return EMMC_ERR; + } + + /* set read/write timeout */ + mmc_drv_obj.data_timeout = emmc_set_timeout_register_value(freq); + SETR_32(SD_OPTION, + ((GETR_32(SD_OPTION) & ~(SD_OPTION_TIMEOUT_CNT_MASK)) | + mmc_drv_obj.data_timeout)); + + /* SET_BLOCKLEN(512byte) */ + /* CMD16 */ + emmc_make_nontrans_cmd(CMD16_SET_BLOCKLEN, EMMC_BLOCK_LENGTH); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + /* Transfer Data Length */ + SETR_32(SD_SIZE, EMMC_BLOCK_LENGTH); + + /* CMD8 (EXT_CSD) */ + emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000, + (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]), + EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ, + HAL_MEMCARD_NOT_DMA); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + /* + * CMD12 is not send. + * If BUS initialization is failed, user must be execute Bus initialization again. + * Bus initialization is start CMD0(soft reset command). + */ + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + return result; + } + + /* Set boot partition */ + emmc_set_bootpartition(); + + return EMMC_SUCCESS; +} + +static EMMC_ERROR_CODE emmc_high_speed(void) +{ + uint32_t freq; /* High speed mode clock frequency */ + EMMC_ERROR_CODE result; + uint8_t cardType; + + /* state check */ + if (mmc_drv_obj.selected != TRUE) { + emmc_write_error_info(EMMC_FUNCNO_HIGH_SPEED, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* max frequency */ + cardType = (uint8_t) mmc_drv_obj.ext_csd_data[EMMC_EXT_CSD_CARD_TYPE]; + if ((cardType & EMMC_EXT_CSD_CARD_TYPE_52MHZ) != 0) + freq = MMC_52MHZ; + else if ((cardType & EMMC_EXT_CSD_CARD_TYPE_26MHZ) != 0) + freq = MMC_26MHZ; + else + freq = MMC_20MHZ; + + /* Hi-Speed-mode selection */ + if ((freq == MMC_52MHZ) || (freq == MMC_26MHZ)) { + /* CMD6 */ + emmc_make_nontrans_cmd(CMD6_SWITCH, EMMC_SWITCH_HS_TIMING); + result = + emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED); + return result; + } + + mmc_drv_obj.hs_timing = TIMING_HIGH_SPEED; /* High-Speed */ + } + + /* set mmc clock */ + mmc_drv_obj.max_freq = freq; + result = emmc_set_request_mmc_clock(&freq); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED); + return EMMC_ERR; + } + + /* set read/write timeout */ + mmc_drv_obj.data_timeout = emmc_set_timeout_register_value(freq); + SETR_32(SD_OPTION, + ((GETR_32(SD_OPTION) & ~(SD_OPTION_TIMEOUT_CNT_MASK)) | + mmc_drv_obj.data_timeout)); + + /* CMD13 */ + emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16); + result = + emmc_exec_cmd(EMMC_R1_ERROR_MASK_WITHOUT_CRC, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED); + return result; + } + + return EMMC_SUCCESS; +} + +static EMMC_ERROR_CODE emmc_clock_ctrl(uint8_t mode) +{ + uint32_t value; + + /* busy check */ + if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) { + emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, + EMMC_ERR_CARD_BUSY); + return EMMC_ERR; + } + + if (mode == TRUE) { + /* clock ON */ + value = + ((GETR_32(SD_CLK_CTRL) | MMC_SD_CLK_START) & + SD_CLK_WRITE_MASK); + SETR_32(SD_CLK_CTRL, value); /* on */ + mmc_drv_obj.clock_enable = TRUE; + } else { + /* clock OFF */ + value = + ((GETR_32(SD_CLK_CTRL) & MMC_SD_CLK_STOP) & + SD_CLK_WRITE_MASK); + SETR_32(SD_CLK_CTRL, value); /* off */ + mmc_drv_obj.clock_enable = FALSE; + } + + return EMMC_SUCCESS; +} + +static EMMC_ERROR_CODE emmc_bus_width(uint32_t width) +{ + EMMC_ERROR_CODE result = EMMC_ERR; + + /* parameter check */ + if ((width != 8) && (width != 4) && (width != 1)) { + emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* state check */ + if (mmc_drv_obj.selected != TRUE) { + emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* 2 = 8bit, 1 = 4bit, 0 =1bit */ + mmc_drv_obj.bus_width = (HAL_MEMCARD_DATA_WIDTH) (width >> 2); + + /* CMD6 */ + emmc_make_nontrans_cmd(CMD6_SWITCH, + (EMMC_SWITCH_BUS_WIDTH_1 | + (mmc_drv_obj.bus_width << 8))); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + /* occurred error */ + mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT; + goto EXIT; + } + + switch (mmc_drv_obj.bus_width) { + case HAL_MEMCARD_DATA_WIDTH_1_BIT: + SETR_32(SD_OPTION, + ((GETR_32(SD_OPTION) & ~(BIT15 | BIT13)) | BIT15)); + break; + case HAL_MEMCARD_DATA_WIDTH_4_BIT: + SETR_32(SD_OPTION, (GETR_32(SD_OPTION) & ~(BIT15 | BIT13))); + break; + case HAL_MEMCARD_DATA_WIDTH_8_BIT: + SETR_32(SD_OPTION, + ((GETR_32(SD_OPTION) & ~(BIT15 | BIT13)) | BIT13)); + break; + default: + goto EXIT; + } + + /* CMD13 */ + emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + goto EXIT; + } + + /* CMD8 (EXT_CSD) */ + emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000, + (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]), + EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ, + HAL_MEMCARD_NOT_DMA); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + goto EXIT; + } + + return EMMC_SUCCESS; + +EXIT: + emmc_write_error_info(EMMC_FUNCNO_BUS_WIDTH, result); + ERROR("BL2: emmc bus_width error end\n"); + return result; +} + +EMMC_ERROR_CODE emmc_select_partition(EMMC_PARTITION_ID id) +{ + EMMC_ERROR_CODE result; + uint32_t arg; + uint32_t partition_config; + + /* state check */ + if (mmc_drv_obj.mount != TRUE) { + emmc_write_error_info(EMMC_FUNCNO_NONE, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* id = PARTITION_ACCESS(Bit[2:0]) */ + if ((id & ~PARTITION_ID_MASK) != 0) { + emmc_write_error_info(EMMC_FUNCNO_NONE, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* EXT_CSD[179] value */ + partition_config = + (uint32_t) mmc_drv_obj.ext_csd_data[EMMC_EXT_CSD_PARTITION_CONFIG]; + if ((partition_config & PARTITION_ID_MASK) == id) { + result = EMMC_SUCCESS; + } else { + + partition_config = + (uint32_t) ((partition_config & ~PARTITION_ID_MASK) | id); + arg = EMMC_SWITCH_PARTITION_CONFIG | (partition_config << 8); + + result = emmc_set_ext_csd(arg); + } + + return result; +} + +static void set_sd_clk(uint32_t clkDiv) +{ + uint32_t dataL; + + dataL = (GETR_32(SD_CLK_CTRL) & (~SD_CLK_CTRL_CLKDIV_MASK)); + + switch (clkDiv) { + case 1: + dataL |= 0x000000FFU; + break; /* 1/1 */ + case 2: + dataL |= 0x00000000U; + break; /* 1/2 */ + case 4: + dataL |= 0x00000001U; + break; /* 1/4 */ + case 8: + dataL |= 0x00000002U; + break; /* 1/8 */ + case 16: + dataL |= 0x00000004U; + break; /* 1/16 */ + case 32: + dataL |= 0x00000008U; + break; /* 1/32 */ + case 64: + dataL |= 0x00000010U; + break; /* 1/64 */ + case 128: + dataL |= 0x00000020U; + break; /* 1/128 */ + case 256: + dataL |= 0x00000040U; + break; /* 1/256 */ + case 512: + dataL |= 0x00000080U; + break; /* 1/512 */ + } + + SETR_32(SD_CLK_CTRL, dataL); + mmc_drv_obj.current_freq = (uint32_t) clkDiv; +} + +static void emmc_get_partition_access(void) +{ + uint32_t reg; + EMMC_ERROR_CODE result; + + reg = mmio_read_32(RCAR_PRR) & (PRR_PRODUCT_MASK | PRR_CUT_MASK); + if ((reg == PRR_PRODUCT_H3_CUT20) || (reg == PRR_PRODUCT_M3_CUT11)) { + SETR_32(SD_OPTION, 0x000060EEU); /* 8 bits width */ + /* CMD8 (EXT_CSD) */ + emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000U, + (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]), + EMMC_MAX_EXT_CSD_LENGTH, + HAL_MEMCARD_READ, HAL_MEMCARD_NOT_DMA); + mmc_drv_obj.get_partition_access_flag = TRUE; + result = + emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + mmc_drv_obj.get_partition_access_flag = FALSE; + if (result == EMMC_SUCCESS) { + mmc_drv_obj.partition_access = + (EMMC_PARTITION_ID) (mmc_drv_obj.ext_csd_data[179] + & PARTITION_ID_MASK); + } else if (result == EMMC_ERR_CMD_TIMEOUT) { + mmc_drv_obj.partition_access = PARTITION_ID_BOOT_1; + } else { + emmc_write_error_info(EMMC_FUNCNO_GET_PERTITION_ACCESS, + result); + panic(); + } + SETR_32(SD_OPTION, 0x0000C0EEU); /* Initialize */ + } +} + +static uint32_t emmc_calc_tran_speed(uint32_t *freq) +{ + const uint32_t unit[8] = { 10000U, 100000U, 1000000U, 10000000U, + 0U, 0U, 0U, 0U }; /* frequency unit (1/10) */ + const uint32_t mult[16] = { 0U, 10U, 12U, 13U, 15U, 20U, 26U, 30U, 35U, + 40U, 45U, 52U, 55U, 60U, 70U, 80U }; + uint32_t tran_speed = EMMC_CSD_TRAN_SPEED(); + uint32_t max_freq; + uint32_t result; + + /* + * tran_speed = 0x32 + * unit[tran_speed&0x7] = uint[0x2] = 1000000 + * mult[(tran_speed&0x78)>>3] = mult[0x30>>3] = mult[6] = 26 + * 1000000 * 26 = 26000000 (26MHz) + */ + + result = 1; + max_freq = + unit[tran_speed & EMMC_TRANSPEED_FREQ_UNIT_MASK] * + mult[(tran_speed & EMMC_TRANSPEED_MULT_MASK) >> + EMMC_TRANSPEED_MULT_SHIFT]; + + if (max_freq == 0) { + result = 0; + } else if (max_freq >= MMC_FREQ_52MHZ) { + *freq = MMC_52MHZ; + } else if (max_freq >= MMC_FREQ_26MHZ) { + *freq = MMC_26MHZ; + } else if (max_freq >= MMC_FREQ_20MHZ) { + *freq = MMC_20MHZ; + } else { + *freq = MMC_400KHZ; + } + + return result; +} + +static uint32_t emmc_set_timeout_register_value(uint32_t freq) +{ + uint32_t timeout_cnt; /* SD_OPTION - Timeout Counter */ + + switch (freq) { + case 1U: + timeout_cnt = 0xE0U; + break; /* SDCLK * 2^27 */ + case 2U: + timeout_cnt = 0xE0U; + break; /* SDCLK * 2^27 */ + case 4U: + timeout_cnt = 0xD0U; + break; /* SDCLK * 2^26 */ + case 8U: + timeout_cnt = 0xC0U; + break; /* SDCLK * 2^25 */ + case 16U: + timeout_cnt = 0xB0U; + break; /* SDCLK * 2^24 */ + case 32U: + timeout_cnt = 0xA0U; + break; /* SDCLK * 2^23 */ + case 64U: + timeout_cnt = 0x90U; + break; /* SDCLK * 2^22 */ + case 128U: + timeout_cnt = 0x80U; + break; /* SDCLK * 2^21 */ + case 256U: + timeout_cnt = 0x70U; + break; /* SDCLK * 2^20 */ + case 512U: + timeout_cnt = 0x70U; + break; /* SDCLK * 2^20 */ + default: + timeout_cnt = 0xE0U; + break; /* SDCLK * 2^27 */ + } + + return timeout_cnt; +} + +EMMC_ERROR_CODE emmc_set_ext_csd(uint32_t arg) +{ + EMMC_ERROR_CODE result; + + /* CMD6 */ + emmc_make_nontrans_cmd(CMD6_SWITCH, arg); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } + + /* CMD13 */ + emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } + + /* CMD8 (EXT_CSD) */ + emmc_make_trans_cmd(CMD8_SEND_EXT_CSD, 0x00000000, + (uint32_t *) (&mmc_drv_obj.ext_csd_data[0]), + EMMC_MAX_EXT_CSD_LENGTH, HAL_MEMCARD_READ, + HAL_MEMCARD_NOT_DMA); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } + return EMMC_SUCCESS; +} + +EMMC_ERROR_CODE emmc_set_request_mmc_clock(uint32_t *freq) +{ + /* parameter check */ + if (freq == NULL) { + emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* state check */ + if ((mmc_drv_obj.initialize != TRUE) + || (mmc_drv_obj.card_power_enable != TRUE)) { + emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* clock is already running in the desired frequency. */ + if ((mmc_drv_obj.clock_enable == TRUE) + && (mmc_drv_obj.current_freq == *freq)) { + return EMMC_SUCCESS; + } + + /* busy check */ + if ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) { + emmc_write_error_info(EMMC_FUNCNO_SET_CLOCK, + EMMC_ERR_CARD_BUSY); + return EMMC_ERR; + } + + set_sd_clk(*freq); + mmc_drv_obj.clock_enable = FALSE; + + return emmc_clock_ctrl(TRUE); /* clock on */ +} + +EMMC_ERROR_CODE rcar_emmc_mount(void) +{ + EMMC_ERROR_CODE result; + + /* state check */ + if ((mmc_drv_obj.initialize != TRUE) + || (mmc_drv_obj.card_power_enable != TRUE) + || ((GETR_32(SD_INFO2) & SD_INFO2_CBSY) != 0) + ) { + emmc_write_error_info(EMMC_FUNCNO_MOUNT, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* initialize card (IDLE state --> Transfer state) */ + result = emmc_card_init(); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_CARD_INIT); + if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) { + /* nothing to do. */ + } + return result; + } + + /* Switching high speed mode */ + result = emmc_high_speed(); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_HIGH_SPEED); + if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) { + /* nothing to do. */ + } + return result; + } + + /* Changing the data bus width */ + result = emmc_bus_width(8); + if (result != EMMC_SUCCESS) { + emmc_write_error_info_func_no(EMMC_FUNCNO_BUS_WIDTH); + if (emmc_clock_ctrl(FALSE) != EMMC_SUCCESS) { + /* nothing to do. */ + } + return result; + } + + /* mount complete */ + mmc_drv_obj.mount = TRUE; + + return EMMC_SUCCESS; +} diff --git a/drivers/renesas/common/emmc/emmc_read.c b/drivers/renesas/common/emmc/emmc_read.c new file mode 100644 index 0000000..96e73ca --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_read.c @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <arch_helpers.h> + +#include "emmc_config.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_registers.h" +#include "emmc_std.h" + +#define MIN_EMMC(a, b) (((a) < (b)) ? (a) : (b)) +#define EMMC_RW_SECTOR_COUNT_MAX 0x0000ffffU + +static EMMC_ERROR_CODE emmc_multiple_block_read(uint32_t *buff_address_virtual, + uint32_t sector_number, uint32_t count, + HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode) +{ + EMMC_ERROR_CODE result; + + /* parameter check */ + if ((count > EMMC_RW_SECTOR_COUNT_MAX) + || (count == 0) + || ((transfer_mode != HAL_MEMCARD_DMA) + && (transfer_mode != HAL_MEMCARD_NOT_DMA)) + ) { + emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* CMD23 */ + emmc_make_nontrans_cmd(CMD23_SET_BLOCK_COUNT, count); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } + SETR_32(SD_SECCNT, count); + SETR_32(SD_STOP, 0x00000100); + /* SD_BUF Read/Write DMA Transfer enable */ + SETR_32(CC_EXT_MODE, (CC_EXT_MODE_CLEAR | CC_EXT_MODE_DMASDRW_ENABLE)); + + /* CMD18 */ + emmc_make_trans_cmd(CMD18_READ_MULTIPLE_BLOCK, sector_number, + buff_address_virtual, + count << EMMC_SECTOR_SIZE_SHIFT, HAL_MEMCARD_READ, + transfer_mode); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; /* CMD18 error code */ + } + + /* CMD13 */ + emmc_make_nontrans_cmd(CMD13_SEND_STATUS, EMMC_RCA << 16); + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } +#if RCAR_BL2_DCACHE == 1 + if (transfer_mode == HAL_MEMCARD_NOT_DMA) { + flush_dcache_range((uint64_t) buff_address_virtual, + ((size_t) count << EMMC_SECTOR_SIZE_SHIFT)); + } +#endif /* RCAR_BL2_DCACHE == 1 */ + + /* ready status check */ + if ((mmc_drv_obj.r1_card_status & EMMC_R1_READY) == 0) { + emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, + EMMC_ERR_CARD_BUSY); + return EMMC_ERR_CARD_BUSY; + } + + /* state check */ + if (mmc_drv_obj.current_state != EMMC_R1_STATE_TRAN) { + emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, + EMMC_ERR_CARD_STATE); + return EMMC_ERR_CARD_STATE; + } + + return EMMC_SUCCESS; +} + +EMMC_ERROR_CODE emmc_read_sector(uint32_t *buff_address_virtual, + uint32_t sector_number, + uint32_t count, uint32_t feature_flags) +{ + uint32_t trans_count; + uint32_t remain; + EMMC_ERROR_CODE result; + HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode; + + /* parameter check */ + if (count == 0) { + emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_PARAM); + return EMMC_ERR_PARAM; + } + + /* state check */ + if (mmc_drv_obj.mount != TRUE) { + emmc_write_error_info(EMMC_FUNCNO_READ_SECTOR, EMMC_ERR_STATE); + return EMMC_ERR_STATE; + } + + /* DMA? */ + if ((feature_flags & LOADIMAGE_FLAGS_DMA_ENABLE) != 0) { + transfer_mode = HAL_MEMCARD_DMA; + } else { + transfer_mode = HAL_MEMCARD_NOT_DMA; + } + + remain = count; + while (remain != 0) { + trans_count = MIN_EMMC(remain, EMMC_RW_SECTOR_COUNT_MAX); + result = + emmc_multiple_block_read(buff_address_virtual, + sector_number, trans_count, + transfer_mode); + if (result != EMMC_SUCCESS) { + return result; + } + + buff_address_virtual += (EMMC_BLOCK_LENGTH_DW * trans_count); + sector_number += trans_count; + remain -= trans_count; + } + + return EMMC_SUCCESS; +} diff --git a/drivers/renesas/common/emmc/emmc_registers.h b/drivers/renesas/common/emmc/emmc_registers.h new file mode 100644 index 0000000..67d285d --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_registers.h @@ -0,0 +1,215 @@ +/* + * Copyright (c) 2015-2021, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef EMMC_REGISTERS_H +#define EMMC_REGISTERS_H + +/* MMC channel select */ +#define MMC_CH0 (0U) /* SDHI2/MMC0 */ +#define MMC_CH1 (1U) /* SDHI3/MMC1 */ + +#if (RCAR_LSI == RCAR_E3) || (RCAR_LSI == RZ_G2M) || (RCAR_LSI == RZ_G2H) || (RCAR_LSI == RZ_G2N) +#define USE_MMC_CH (MMC_CH1) /* R-Car E3 or RZ/G2{H,M,N} */ +#else /* RCAR_LSI == RCAR_E3 || RCAR_LSI == RZ_G2{H,M,N} */ +#define USE_MMC_CH (MMC_CH0) /* R-Car H3/M3/M3N */ +#endif /* RCAR_LSI == RCAR_E3 || RCAR_LSI == RZ_G2{H,M,N} */ + +#define BIT0 (0x00000001U) +#define BIT1 (0x00000002U) +#define BIT2 (0x00000004U) +#define BIT3 (0x00000008U) +#define BIT4 (0x00000010U) +#define BIT5 (0x00000020U) +#define BIT6 (0x00000040U) +#define BIT7 (0x00000080U) +#define BIT8 (0x00000100U) +#define BIT9 (0x00000200U) +#define BIT10 (0x00000400U) +#define BIT11 (0x00000800U) +#define BIT12 (0x00001000U) +#define BIT13 (0x00002000U) +#define BIT14 (0x00004000U) +#define BIT15 (0x00008000U) +#define BIT16 (0x00010000U) +#define BIT17 (0x00020000U) +#define BIT18 (0x00040000U) +#define BIT19 (0x00080000U) +#define BIT20 (0x00100000U) +#define BIT21 (0x00200000U) +#define BIT22 (0x00400000U) +#define BIT23 (0x00800000U) +#define BIT24 (0x01000000U) +#define BIT25 (0x02000000U) +#define BIT26 (0x04000000U) +#define BIT27 (0x08000000U) +#define BIT28 (0x10000000U) +#define BIT29 (0x20000000U) +#define BIT30 (0x40000000U) +#define BIT31 (0x80000000U) + +#if USE_MMC_CH == MMC_CH0 +#define CPG_SDxCKCR (CPG_SD2CKCR) /* SDHI2/MMC0 */ +#else /* USE_MMC_CH == MMC_CH0 */ +#define CPG_SDxCKCR (CPG_SD3CKCR) /* SDHI3/MMC1 */ +#endif /* USE_MMC_CH == MMC_CH0 */ + +/* Boot Status register */ +#define MFISBTSTSR (0xE6260604U) + +#define MFISBTSTSR_BOOT_PARTITION (0x00000010U) + +/* eMMC registers */ +#define MMC0_SD_BASE (0xEE140000U) +#define MMC1_SD_BASE (0xEE160000U) + +#if USE_MMC_CH == MMC_CH0 +#define MMC_SD_BASE (MMC0_SD_BASE) +#else /* USE_MMC_CH == MMC_CH0 */ +#define MMC_SD_BASE (MMC1_SD_BASE) +#endif /* USE_MMC_CH == MMC_CH0 */ + +#define SD_CMD (MMC_SD_BASE + 0x0000U) +#define SD_PORTSEL (MMC_SD_BASE + 0x0008U) +#define SD_ARG (MMC_SD_BASE + 0x0010U) +#define SD_ARG1 (MMC_SD_BASE + 0x0018U) +#define SD_STOP (MMC_SD_BASE + 0x0020U) +#define SD_SECCNT (MMC_SD_BASE + 0x0028U) +#define SD_RSP10 (MMC_SD_BASE + 0x0030U) +#define SD_RSP1 (MMC_SD_BASE + 0x0038U) +#define SD_RSP32 (MMC_SD_BASE + 0x0040U) +#define SD_RSP3 (MMC_SD_BASE + 0x0048U) +#define SD_RSP54 (MMC_SD_BASE + 0x0050U) +#define SD_RSP5 (MMC_SD_BASE + 0x0058U) +#define SD_RSP76 (MMC_SD_BASE + 0x0060U) +#define SD_RSP7 (MMC_SD_BASE + 0x0068U) +#define SD_INFO1 (MMC_SD_BASE + 0x0070U) +#define SD_INFO2 (MMC_SD_BASE + 0x0078U) +#define SD_INFO1_MASK (MMC_SD_BASE + 0x0080U) +#define SD_INFO2_MASK (MMC_SD_BASE + 0x0088U) +#define SD_CLK_CTRL (MMC_SD_BASE + 0x0090U) +#define SD_SIZE (MMC_SD_BASE + 0x0098U) +#define SD_OPTION (MMC_SD_BASE + 0x00A0U) +#define SD_ERR_STS1 (MMC_SD_BASE + 0x00B0U) +#define SD_ERR_STS2 (MMC_SD_BASE + 0x00B8U) +#define SD_BUF0 (MMC_SD_BASE + 0x00C0U) +#define SDIO_MODE (MMC_SD_BASE + 0x00D0U) +#define SDIO_INFO1 (MMC_SD_BASE + 0x00D8U) +#define SDIO_INFO1_MASK (MMC_SD_BASE + 0x00E0U) +#define CC_EXT_MODE (MMC_SD_BASE + 0x0360U) +#define SOFT_RST (MMC_SD_BASE + 0x0380U) +#define VERSION (MMC_SD_BASE + 0x0388U) +#define HOST_MODE (MMC_SD_BASE + 0x0390U) +#define DM_CM_DTRAN_MODE (MMC_SD_BASE + 0x0820U) +#define DM_CM_DTRAN_CTRL (MMC_SD_BASE + 0x0828U) +#define DM_CM_RST (MMC_SD_BASE + 0x0830U) +#define DM_CM_INFO1 (MMC_SD_BASE + 0x0840U) +#define DM_CM_INFO1_MASK (MMC_SD_BASE + 0x0848U) +#define DM_CM_INFO2 (MMC_SD_BASE + 0x0850U) +#define DM_CM_INFO2_MASK (MMC_SD_BASE + 0x0858U) +#define DM_DTRAN_ADDR (MMC_SD_BASE + 0x0880U) + +/* SD_INFO1 Registers */ +#define SD_INFO1_HPIRES 0x00010000UL /* Response Reception Completion */ +#define SD_INFO1_INFO10 0x00000400UL /* Indicates the SDDAT3 state */ +#define SD_INFO1_INFO9 0x00000200UL /* SDDAT3 Card Insertion */ +#define SD_INFO1_INFO8 0x00000100UL /* SDDAT3 Card Removal */ +#define SD_INFO1_INFO7 0x00000080UL /* Write Protect */ +#define SD_INFO1_INFO5 0x00000020UL /* Indicates the ISDCD state */ +#define SD_INFO1_INFO4 0x00000010UL /* ISDCD Card Insertion */ +#define SD_INFO1_INFO3 0x00000008UL /* ISDCD Card Removal */ +#define SD_INFO1_INFO2 0x00000004UL /* Access end */ +#define SD_INFO1_INFO0 0x00000001UL /* Response end */ + +/* SD_INFO2 Registers */ +#define SD_INFO2_ILA 0x00008000UL /* Illegal Access Error */ +#define SD_INFO2_CBSY 0x00004000UL /* Command Type Register Busy */ +#define SD_INFO2_SCLKDIVEN 0x00002000UL +#define SD_INFO2_BWE 0x00000200UL /* SD_BUF Write Enable */ +#define SD_INFO2_BRE 0x00000100UL /* SD_BUF Read Enable */ +#define SD_INFO2_DAT0 0x00000080UL /* SDDAT0 */ +#define SD_INFO2_ERR6 0x00000040UL /* Response Timeout */ +#define SD_INFO2_ERR5 0x00000020UL /* SD_BUF Illegal Read Access */ +#define SD_INFO2_ERR4 0x00000010UL /* SD_BUF Illegal Write Access */ +#define SD_INFO2_ERR3 0x00000008UL /* Data Timeout */ +#define SD_INFO2_ERR2 0x00000004UL /* END Error */ +#define SD_INFO2_ERR1 0x00000002UL /* CRC Error */ +#define SD_INFO2_ERR0 0x00000001UL /* CMD Error */ +#define SD_INFO2_ALL_ERR 0x0000807FUL +#define SD_INFO2_CLEAR 0x00000800UL /* BIT11 write value should always be 1. HWM_0003 */ + +/* SOFT_RST */ +#define SOFT_RST_SDRST 0x00000001UL + +/* SD_CLK_CTRL */ +#define SD_CLK_CTRL_SDCLKOFFEN 0x00000200UL +#define SD_CLK_CTRL_SCLKEN 0x00000100UL +#define SD_CLK_CTRL_CLKDIV_MASK 0x000000FFUL +#define SD_CLOCK_ENABLE 0x00000100UL +#define SD_CLOCK_DISABLE 0x00000000UL +#define SD_CLK_WRITE_MASK 0x000003FFUL +#define SD_CLK_CLKDIV_CLEAR_MASK 0xFFFFFF0FUL + +/* SD_OPTION */ +#define SD_OPTION_TIMEOUT_CNT_MASK 0x000000F0UL + +/* + * MMC Clock Frequency + * 200MHz * 1/x = output clock + */ +#define MMC_CLK_OFF 0UL /* Clock output is disabled */ +#define MMC_400KHZ 512UL /* 200MHz * 1/512 = 390 KHz */ +#define MMC_20MHZ 16UL /* 200MHz * 1/16 = 12.5 MHz Normal speed mode */ +#define MMC_26MHZ 8UL /* 200MHz * 1/8 = 25 MHz HS mode 26Mhz */ +#define MMC_52MHZ 4UL /* 200MHz * 1/4 = 50 MHz HS mode 52Mhz */ +#define MMC_100MHZ 2UL /* 200MHz * 1/2 = 100 MHz */ +#define MMC_200MHZ 1UL /* 200MHz * 1/1 = 200 MHz */ + +#define MMC_FREQ_52MHZ 52000000UL +#define MMC_FREQ_26MHZ 26000000UL +#define MMC_FREQ_20MHZ 20000000UL + +/* MMC Clock DIV */ +#define MMC_SD_CLK_START 0x00000100UL /* CLOCK On */ +#define MMC_SD_CLK_STOP (~0x00000100UL) /* CLOCK stop */ +#define MMC_SD_CLK_DIV1 0x000000FFUL /* 1/1 */ +#define MMC_SD_CLK_DIV2 0x00000000UL /* 1/2 */ +#define MMC_SD_CLK_DIV4 0x00000001UL /* 1/4 */ +#define MMC_SD_CLK_DIV8 0x00000002UL /* 1/8 */ +#define MMC_SD_CLK_DIV16 0x00000004UL /* 1/16 */ +#define MMC_SD_CLK_DIV32 0x00000008UL /* 1/32 */ +#define MMC_SD_CLK_DIV64 0x00000010UL /* 1/64 */ +#define MMC_SD_CLK_DIV128 0x00000020UL /* 1/128 */ +#define MMC_SD_CLK_DIV256 0x00000040UL /* 1/256 */ +#define MMC_SD_CLK_DIV512 0x00000080UL /* 1/512 */ + +/* DM_CM_DTRAN_MODE */ +#define DM_CM_DTRAN_MODE_CH0 0x00000000UL /* CH0(downstream) */ +#define DM_CM_DTRAN_MODE_CH1 0x00010000UL /* CH1(upstream) */ +#define DM_CM_DTRAN_MODE_BIT_WIDTH 0x00000030UL + +/* CC_EXT_MODE */ +#define CC_EXT_MODE_DMASDRW_ENABLE 0x00000002UL /* SD_BUF Read/Write DMA Transfer */ +#define CC_EXT_MODE_CLEAR 0x00001010UL /* BIT 12 & 4 always 1. */ + +/* DM_CM_INFO_MASK */ +#define DM_CM_INFO_MASK_CLEAR 0xFFFCFFFEUL +#define DM_CM_INFO_CH0_ENABLE 0x00010001UL +#define DM_CM_INFO_CH1_ENABLE 0x00020001UL + +/* DM_DTRAN_ADDR */ +#define DM_DTRAN_ADDR_WRITE_MASK 0xFFFFFFF8UL + +/* DM_CM_DTRAN_CTRL */ +#define DM_CM_DTRAN_CTRL_START 0x00000001UL + +/* SYSC Registers */ +#if USE_MMC_CH == MMC_CH0 +#define CPG_MSTP_MMC (BIT12) /* SDHI2/MMC0 */ +#else /* USE_MMC_CH == MMC_CH0 */ +#define CPG_MSTP_MMC (BIT11) /* SDHI3/MMC1 */ +#endif /* USE_MMC_CH == MMC_CH0 */ + +#endif /* EMMC_REGISTERS_H */ diff --git a/drivers/renesas/common/emmc/emmc_std.h b/drivers/renesas/common/emmc/emmc_std.h new file mode 100644 index 0000000..087c6e9 --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_std.h @@ -0,0 +1,475 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef EMMC_STD_H +#define EMMC_STD_H + +#include "emmc_hal.h" + +#ifndef FALSE +#define FALSE 0U +#endif +#ifndef TRUE +#define TRUE 1U +#endif + +/* 64bit registers */ +#define SETR_64(r, v) (*(volatile uint64_t *)(r) = (v)) +#define GETR_64(r) (*(volatile uint64_t *)(r)) + +/* 32bit registers */ +#define SETR_32(r, v) (*(volatile uint32_t *)(r) = (v)) +#define GETR_32(r) (*(volatile uint32_t *)(r)) + +/* 16bit registers */ +#define SETR_16(r, v) (*(volatile uint16_t *)(r) = (v)) +#define GETR_16(r) (*(volatile uint16_t *)(r)) + +/* 8bit registers */ +#define SETR_8(r, v) (*(volatile uint8_t *)(r) = (v)) +#define GETR_8(r) (*(volatile uint8_t *)(r)) + +/* CSD register Macros */ +#define EMMC_GET_CID(x, y) (emmc_bit_field(mmc_drv_obj.cid_data, (x), (y))) + +#define EMMC_CID_MID() (EMMC_GET_CID(127, 120)) +#define EMMC_CID_CBX() (EMMC_GET_CID(113, 112)) +#define EMMC_CID_OID() (EMMC_GET_CID(111, 104)) +#define EMMC_CID_PNM1() (EMMC_GET_CID(103, 88)) +#define EMMC_CID_PNM2() (EMMC_GET_CID(87, 56)) +#define EMMC_CID_PRV() (EMMC_GET_CID(55, 48)) +#define EMMC_CID_PSN() (EMMC_GET_CID(47, 16)) +#define EMMC_CID_MDT() (EMMC_GET_CID(15, 8)) +#define EMMC_CID_CRC() (EMMC_GET_CID(7, 1)) + +/* CSD register Macros */ +#define EMMC_GET_CSD(x, y) (emmc_bit_field(mmc_drv_obj.csd_data, (x), (y))) + +#define EMMC_CSD_CSD_STRUCTURE() (EMMC_GET_CSD(127, 126)) +#define EMMC_CSD_SPEC_VARS() (EMMC_GET_CSD(125, 122)) +#define EMMC_CSD_TAAC() (EMMC_GET_CSD(119, 112)) +#define EMMC_CSD_NSAC() (EMMC_GET_CSD(111, 104)) +#define EMMC_CSD_TRAN_SPEED() (EMMC_GET_CSD(103, 96)) +#define EMMC_CSD_CCC() (EMMC_GET_CSD(95, 84)) +#define EMMC_CSD_READ_BL_LEN() (EMMC_GET_CSD(83, 80)) +#define EMMC_CSD_READ_BL_PARTIAL() (EMMC_GET_CSD(79, 79)) +#define EMMC_CSD_WRITE_BLK_MISALIGN() (EMMC_GET_CSD(78, 78)) +#define EMMC_CSD_READ_BLK_MISALIGN() (EMMC_GET_CSD(77, 77)) +#define EMMC_CSD_DSR_IMP() (EMMC_GET_CSD(76, 76)) +#define EMMC_CSD_C_SIZE() (EMMC_GET_CSD(73, 62)) +#define EMMC_CSD_VDD_R_CURR_MIN() (EMMC_GET_CSD(61, 59)) +#define EMMC_CSD_VDD_R_CURR_MAX() (EMMC_GET_CSD(58, 56)) +#define EMMC_CSD_VDD_W_CURR_MIN() (EMMC_GET_CSD(55, 53)) +#define EMMC_CSD_VDD_W_CURR_MAX() (EMMC_GET_CSD(52, 50)) +#define EMMC_CSD_C_SIZE_MULT() (EMMC_GET_CSD(49, 47)) +#define EMMC_CSD_ERASE_GRP_SIZE() (EMMC_GET_CSD(46, 42)) +#define EMMC_CSD_ERASE_GRP_MULT() (EMMC_GET_CSD(41, 37)) +#define EMMC_CSD_WP_GRP_SIZE() (EMMC_GET_CSD(36, 32)) +#define EMMC_CSD_WP_GRP_ENABLE() (EMMC_GET_CSD(31, 31)) +#define EMMC_CSD_DEFALT_ECC() (EMMC_GET_CSD(30, 29)) +#define EMMC_CSD_R2W_FACTOR() (EMMC_GET_CSD(28, 26)) +#define EMMC_CSD_WRITE_BL_LEN() (EMMC_GET_CSD(25, 22)) +#define EMMC_CSD_WRITE_BL_PARTIAL() (EMMC_GET_CSD(21, 21)) +#define EMMC_CSD_CONTENT_PROT_APP() (EMMC_GET_CSD(16, 16)) +#define EMMC_CSD_FILE_FORMAT_GRP() (EMMC_GET_CSD(15, 15)) +#define EMMC_CSD_COPY() (EMMC_GET_CSD(14, 14)) +#define EMMC_CSD_PERM_WRITE_PROTECT() (EMMC_GET_CSD(13, 13)) +#define EMMC_CSD_TMP_WRITE_PROTECT() (EMMC_GET_CSD(12, 12)) +#define EMMC_CSD_FILE_FORMAT() (EMMC_GET_CSD(11, 10)) +#define EMMC_CSD_ECC() (EMMC_GET_CSD(9, 8)) +#define EMMC_CSD_CRC() (EMMC_GET_CSD(7, 1)) + +/* sector access */ +#define EMMC_4B_BOUNDARY_CHECK_MASK 0x00000003 +#define EMMC_SECTOR_SIZE_SHIFT 9U /* 512 = 2^9 */ +#define EMMC_SECTOR_SIZE 512 +#define EMMC_BLOCK_LENGTH 512 +#define EMMC_BLOCK_LENGTH_DW 128 +#define EMMC_BUF_SIZE_SHIFT 3U /* 8byte = 2^3 */ + +/* eMMC specification clock */ +#define EMMC_CLOCK_SPEC_400K 400000UL /* initialize clock 400KHz */ +#define EMMC_CLOCK_SPEC_20M 20000000UL /* normal speed 20MHz */ +#define EMMC_CLOCK_SPEC_26M 26000000UL /* high speed 26MHz */ +#define EMMC_CLOCK_SPEC_52M 52000000UL /* high speed 52MHz */ +#define EMMC_CLOCK_SPEC_100M 100000000UL /* high speed 100MHz */ + +/* EMMC driver error code. (extended HAL_MEMCARD_RETURN) */ +typedef enum { + EMMC_ERR = 0, /* unknown error */ + EMMC_SUCCESS, /* OK */ + EMMC_ERR_FROM_DMAC, /* DMAC allocation error */ + EMMC_ERR_FROM_DMAC_TRANSFER, /* DMAC transfer error */ + EMMC_ERR_CARD_STATUS_BIT, /* card status error */ + EMMC_ERR_CMD_TIMEOUT, /* command timeout error */ + EMMC_ERR_DATA_TIMEOUT, /* data timeout error */ + EMMC_ERR_CMD_CRC, /* command CRC error */ + EMMC_ERR_DATA_CRC, /* data CRC error */ + EMMC_ERR_PARAM, /* parameter error */ + EMMC_ERR_RESPONSE, /* response error */ + EMMC_ERR_RESPONSE_BUSY, /* response busy error */ + EMMC_ERR_TRANSFER, /* data transfer error */ + EMMC_ERR_READ_SECTOR, /* read sector error */ + EMMC_ERR_WRITE_SECTOR, /* write sector error */ + EMMC_ERR_STATE, /* state error */ + EMMC_ERR_TIMEOUT, /* timeout error */ + EMMC_ERR_ILLEGAL_CARD, /* illegal card */ + EMMC_ERR_CARD_BUSY, /* Busy state */ + EMMC_ERR_CARD_STATE, /* card state error */ + EMMC_ERR_SET_TRACE, /* trace information error */ + EMMC_ERR_FROM_TIMER, /* Timer error */ + EMMC_ERR_FORCE_TERMINATE, /* Force terminate */ + EMMC_ERR_CARD_POWER, /* card power fail */ + EMMC_ERR_ERASE_SECTOR, /* erase sector error */ + EMMC_ERR_INFO2 /* exec cmd error info2 */ +} EMMC_ERROR_CODE; + +/* Function number */ +#define EMMC_FUNCNO_NONE 0U +#define EMMC_FUNCNO_DRIVER_INIT 1U +#define EMMC_FUNCNO_CARD_POWER_ON 2U +#define EMMC_FUNCNO_MOUNT 3U +#define EMMC_FUNCNO_CARD_INIT 4U +#define EMMC_FUNCNO_HIGH_SPEED 5U +#define EMMC_FUNCNO_BUS_WIDTH 6U +#define EMMC_FUNCNO_MULTI_BOOT_SELECT_PARTITION 7U +#define EMMC_FUNCNO_MULTI_BOOT_READ_SECTOR 8U +#define EMMC_FUNCNO_TRANS_DATA_READ_SECTOR 9U +#define EMMC_FUNCNO_UBOOT_IMAGE_SELECT_PARTITION 10U +#define EMMC_FUNCNO_UBOOT_IMAGE_READ_SECTOR 11U +#define EMMC_FUNCNO_SET_CLOCK 12U +#define EMMC_FUNCNO_EXEC_CMD 13U +#define EMMC_FUNCNO_READ_SECTOR 14U +#define EMMC_FUNCNO_WRITE_SECTOR 15U +#define EMMC_FUNCNO_ERASE_SECTOR 16U +#define EMMC_FUNCNO_GET_PERTITION_ACCESS 17U +/* + * Response + * R1 + * Type 'E' bit and bit14(must be 0). ignore bit22 + */ +#define EMMC_R1_ERROR_MASK 0xFDBFE080U +/* Ignore bit23 (Not check CRC error) */ +#define EMMC_R1_ERROR_MASK_WITHOUT_CRC (0xFD3FE080U) +#define EMMC_R1_STATE_MASK 0x00001E00U /* [12:9] */ +#define EMMC_R1_READY 0x00000100U /* bit8 */ +#define EMMC_R1_STATE_SHIFT 9 + +/* R4 */ +#define EMMC_R4_RCA_MASK 0xFFFF0000UL +#define EMMC_R4_STATUS 0x00008000UL + +/* CSD */ +#define EMMC_TRANSPEED_FREQ_UNIT_MASK 0x07 /* bit[2:0] */ +#define EMMC_TRANSPEED_FREQ_UNIT_SHIFT 0 +#define EMMC_TRANSPEED_MULT_MASK 0x78 /* bit[6:3] */ +#define EMMC_TRANSPEED_MULT_SHIFT 3 + +/* OCR */ +#define EMMC_HOST_OCR_VALUE 0x40FF8080 +#define EMMC_OCR_STATUS_BIT 0x80000000L /* Card power up status bit */ +#define EMMC_OCR_ACCESS_MODE_MASK 0x60000000L /* bit[30:29] */ +#define EMMC_OCR_ACCESS_MODE_SECT 0x40000000L +#define EMMC_OCR_ACCESS_MODE_BYTE 0x00000000L + +/* EXT_CSD */ +#define EMMC_EXT_CSD_S_CMD_SET 504 +#define EMMC_EXT_CSD_INI_TIMEOUT_AP 241 +#define EMMC_EXT_CSD_PWR_CL_DDR_52_360 239 +#define EMMC_EXT_CSD_PWR_CL_DDR_52_195 238 +#define EMMC_EXT_CSD_MIN_PERF_DDR_W_8_52 235 +#define EMMC_EXT_CSD_MIN_PERF_DDR_R_8_52 234 +#define EMMC_EXT_CSD_TRIM_MULT 232 +#define EMMC_EXT_CSD_SEC_FEATURE_SUPPORT 231 +#define EMMC_EXT_CSD_SEC_ERASE_MULT 229 +#define EMMC_EXT_CSD_BOOT_INFO 228 +#define EMMC_EXT_CSD_BOOT_SIZE_MULTI 226 +#define EMMC_EXT_CSD_ACC_SIZE 225 +#define EMMC_EXT_CSD_HC_ERASE_GRP_SIZE 224 +#define EMMC_EXT_CSD_ERASE_TIMEOUT_MULT 223 +#define EMMC_EXT_CSD_PEL_WR_SEC_C 222 +#define EMMC_EXT_CSD_HC_WP_GRP_SIZE 221 +#define EMMC_EXT_CSD_S_C_VCC 220 +#define EMMC_EXT_CSD_S_C_VCCQ 219 +#define EMMC_EXT_CSD_S_A_TIMEOUT 217 +#define EMMC_EXT_CSD_SEC_COUNT 215 +#define EMMC_EXT_CSD_MIN_PERF_W_8_52 210 +#define EMMC_EXT_CSD_MIN_PERF_R_8_52 209 +#define EMMC_EXT_CSD_MIN_PERF_W_8_26_4_52 208 +#define EMMC_EXT_CSD_MIN_PERF_R_8_26_4_52 207 +#define EMMC_EXT_CSD_MIN_PERF_W_4_26 206 +#define EMMC_EXT_CSD_MIN_PERF_R_4_26 205 +#define EMMC_EXT_CSD_PWR_CL_26_360 203 +#define EMMC_EXT_CSD_PWR_CL_52_360 202 +#define EMMC_EXT_CSD_PWR_CL_26_195 201 +#define EMMC_EXT_CSD_PWR_CL_52_195 200 +#define EMMC_EXT_CSD_CARD_TYPE 196 +#define EMMC_EXT_CSD_CSD_STRUCTURE 194 +#define EMMC_EXT_CSD_EXT_CSD_REV 192 +#define EMMC_EXT_CSD_CMD_SET 191 +#define EMMC_EXT_CSD_CMD_SET_REV 189 +#define EMMC_EXT_CSD_POWER_CLASS 187 +#define EMMC_EXT_CSD_HS_TIMING 185 +#define EMMC_EXT_CSD_BUS_WIDTH 183 +#define EMMC_EXT_CSD_ERASED_MEM_CONT 181 +#define EMMC_EXT_CSD_PARTITION_CONFIG 179 +#define EMMC_EXT_CSD_BOOT_CONFIG_PROT 178 +#define EMMC_EXT_CSD_BOOT_BUS_WIDTH 177 +#define EMMC_EXT_CSD_ERASE_GROUP_DEF 175 +#define EMMC_EXT_CSD_BOOT_WP 173 +#define EMMC_EXT_CSD_USER_WP 171 +#define EMMC_EXT_CSD_FW_CONFIG 169 +#define EMMC_EXT_CSD_RPMB_SIZE_MULT 168 +#define EMMC_EXT_CSD_RST_n_FUNCTION 162 +#define EMMC_EXT_CSD_PARTITIONING_SUPPORT 160 +#define EMMC_EXT_CSD_MAX_ENH_SIZE_MULT 159 +#define EMMC_EXT_CSD_PARTITIONS_ATTRIBUTE 156 +#define EMMC_EXT_CSD_PARTITION_SETTING_COMPLETED 155 +#define EMMC_EXT_CSD_GP_SIZE_MULT 154 +#define EMMC_EXT_CSD_ENH_SIZE_MULT 142 +#define EMMC_EXT_CSD_ENH_START_ADDR 139 +#define EMMC_EXT_CSD_SEC_BAD_BLK_MGMNT 134 + +#define EMMC_EXT_CSD_CARD_TYPE_26MHZ 0x01 +#define EMMC_EXT_CSD_CARD_TYPE_52MHZ 0x02 +#define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_12V 0x04 +#define EMMC_EXT_CSD_CARD_TYPE_DDR_52MHZ_18V 0x08 +#define EMMC_EXT_CSD_CARD_TYPE_52MHZ_MASK 0x0e + +/* SWITCH (CMD6) argument */ +#define EXTCSD_ACCESS_BYTE (BIT25 | BIT24) +#define EXTCSD_SET_BITS BIT24 + +#define HS_TIMING_ADD (185 << 16) /* H'b9 */ +#define HS_TIMING_1 (1 << 8) +#define HS_TIMING_HS200 (2 << 8) +#define HS_TIMING_HS400 (3 << 8) + +#define BUS_WIDTH_ADD (183 << 16) /* H'b7 */ +#define BUS_WIDTH_1 (0 << 8) +#define BUS_WIDTH_4 (1 << 8) +#define BUS_WIDTH_8 (2 << 8) +#define BUS_WIDTH_4DDR (5 << 8) +#define BUS_WIDTH_8DDR (6 << 8) + +#define EMMC_SWITCH_HS_TIMING (EXTCSD_ACCESS_BYTE | HS_TIMING_ADD |\ + HS_TIMING_1) /* H'03b90100 */ +#define EMMC_SWITCH_HS_TIMING_OFF (EXTCSD_ACCESS_BYTE |\ + HS_TIMING_ADD) /* H'03b90000 */ + +#define EMMC_SWITCH_BUS_WIDTH_1 (EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\ + BUS_WIDTH_1) /* H'03b70000 */ +#define EMMC_SWITCH_BUS_WIDTH_4 (EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\ + BUS_WIDTH_4) /* H'03b70100 */ +#define EMMC_SWITCH_BUS_WIDTH_8 (EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\ + BUS_WIDTH_8) /* H'03b70200 */ +#define EMMC_SWITCH_BUS_WIDTH_4DDR (EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\ + BUS_WIDTH_4DDR) /* H'03b70500 */ +#define EMMC_SWITCH_BUS_WIDTH_8DDR (EXTCSD_ACCESS_BYTE | BUS_WIDTH_ADD |\ + BUS_WIDTH_8DDR) /* H'03b70600 */ +/* Partition config = 0x00 */ +#define EMMC_SWITCH_PARTITION_CONFIG 0x03B30000UL + +#define TIMING_HIGH_SPEED 1UL +#define EMMC_BOOT_PARTITION_EN_MASK 0x38U +#define EMMC_BOOT_PARTITION_EN_SHIFT 3U + +/* Bus width */ +#define EMMC_BUSWIDTH_1BIT CE_CMD_SET_DATW_1BIT +#define EMMC_BUSWIDTH_4BIT CE_CMD_SET_DATW_4BIT +#define EMMC_BUSWIDTH_8BIT CE_CMD_SET_DATW_8BIT + +/* for st_mmc_base */ +#define EMMC_MAX_RESPONSE_LENGTH 17 +#define EMMC_MAX_CID_LENGTH 16 +#define EMMC_MAX_CSD_LENGTH 16 +#define EMMC_MAX_EXT_CSD_LENGTH 512U +#define EMMC_RES_REG_ALIGNED 4U +#define EMMC_BUF_REG_ALIGNED 8U + +/* TAAC mask */ +#define TAAC_TIME_UNIT_MASK (0x07) +#define TAAC_MULTIPLIER_FACTOR_MASK (0x0F) + +/* Partition id */ +typedef enum { + PARTITION_ID_USER = 0x0, /* User Area */ + PARTITION_ID_BOOT_1 = 0x1, /* boot partition 1 */ + PARTITION_ID_BOOT_2 = 0x2, /* boot partition 2 */ + PARTITION_ID_RPMB = 0x3, /* Replay Protected Memory Block */ + PARTITION_ID_GP_1 = 0x4, /* General Purpose partition 1 */ + PARTITION_ID_GP_2 = 0x5, /* General Purpose partition 2 */ + PARTITION_ID_GP_3 = 0x6, /* General Purpose partition 3 */ + PARTITION_ID_GP_4 = 0x7, /* General Purpose partition 4 */ + PARTITION_ID_MASK = 0x7 /* [2:0] */ +} EMMC_PARTITION_ID; + +/* card state in R1 response [12:9] */ +typedef enum { + EMMC_R1_STATE_IDLE = 0, + EMMC_R1_STATE_READY, + EMMC_R1_STATE_IDENT, + EMMC_R1_STATE_STBY, + EMMC_R1_STATE_TRAN, + EMMC_R1_STATE_DATA, + EMMC_R1_STATE_RCV, + EMMC_R1_STATE_PRG, + EMMC_R1_STATE_DIS, + EMMC_R1_STATE_BTST, + EMMC_R1_STATE_SLEP +} EMMC_R1_STATE; + +typedef enum { + ESTATE_BEGIN = 0, + ESTATE_ISSUE_CMD, + ESTATE_NON_RESP_CMD, + ESTATE_RCV_RESP, + ESTATE_RCV_RESPONSE_BUSY, + ESTATE_CHECK_RESPONSE_COMPLETE, + ESTATE_DATA_TRANSFER, + ESTATE_DATA_TRANSFER_COMPLETE, + ESTATE_ACCESS_END, + ESTATE_TRANSFER_ERROR, + ESTATE_ERROR, + ESTATE_END +} EMMC_INT_STATE; + +/* eMMC boot driver error information */ +typedef struct { + uint16_t num; /* error no */ + uint16_t code; /* error code */ + + volatile uint32_t info1; /* SD_INFO1. (hw dependent) */ + volatile uint32_t info2; /* SD_INFO2. (hw dependent) */ + volatile uint32_t status1; /* SD_ERR_STS1. (hw dependent) */ + volatile uint32_t status2; /* SD_ERR_STS2. (hw dependent) */ + volatile uint32_t dm_info1; /* DM_CM_INFO1. (hw dependent) */ + volatile uint32_t dm_info2; /* DM_CM_INFO2. (hw dependent) */ +} st_error_info; + +/* Command information */ +typedef struct { + HAL_MEMCARD_COMMAND cmd; /* Command information */ + uint32_t arg; /* argument */ + HAL_MEMCARD_OPERATION dir; /* direction */ + uint32_t hw; /* SD_CMD register value. */ +} st_command_info; + +/* MMC driver base */ +typedef struct { + st_error_info error_info; /* error information */ + st_command_info cmd_info; /* command information */ + + /* for data transfer */ + uint32_t *buff_address_virtual; /* Dest or Src buff */ + uint32_t *buff_address_physical; /* Dest or Src buff */ + HAL_MEMCARD_DATA_WIDTH bus_width; /* bus width */ + + uint32_t trans_size; /* transfer size for this command */ + uint32_t remain_size; /* remain size for this command */ + uint32_t response_length; /* response length for this command */ + uint32_t sector_size; /* sector_size */ + + /* clock */ + uint32_t base_clock; /* MMC host controller clock */ + /* + * Max freq (Card Spec)[Hz]. It changes dynamically by CSD and + * EXT_CSD. + */ + uint32_t max_freq; + /* request freq [Hz] (400K, 26MHz, 52MHz, etc) */ + uint32_t request_freq; + /* current MMC clock[Hz] (the closest frequency supported by HW) */ + uint32_t current_freq; + + /* state flag */ + /* presence status of the memory card */ + HAL_MEMCARD_PRESENCE_STATUS card_present; + + uint32_t card_power_enable; + uint32_t clock_enable; + /* True : initialize complete. */ + uint32_t initialize; + /* True : sector access, FALSE : byte access */ + uint32_t access_mode; + /* True : mount complete. */ + uint32_t mount; + /* True : selected card. */ + uint32_t selected; + /* 0: DMA, 1:PIO */ + HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode; + + /* loaded ISSW image No. ISSW have copy image. */ + uint32_t image_num; + /* card state */ + EMMC_R1_STATE current_state; + /* True : during command processing */ + volatile uint32_t during_cmd_processing; + /* True : during transfer */ + volatile uint32_t during_transfer; + /* True : during transfer (DMA) */ + volatile uint32_t during_dma_transfer; + /* True : occurred DMAC error */ + volatile uint32_t dma_error_flag; + /* force terminate flag */ + volatile uint32_t force_terminate; + /* state machine blocking flag : True or False */ + volatile uint32_t state_machine_blocking; + /* True : get partition access processing */ + volatile uint32_t get_partition_access_flag; + + EMMC_PARTITION_ID boot_partition_en; /* Boot partition */ + EMMC_PARTITION_ID partition_access; /* Current access partition */ + + /* timeout */ + uint32_t hs_timing; + + /* read and write data timeout */ + uint32_t data_timeout; + + /* retry */ + uint32_t retries_after_fail; + + /* interrupt */ + volatile uint32_t int_event1; /* interrupt SD_INFO1 Event */ + volatile uint32_t int_event2; /* interrupt SD_INFO2 Event */ + volatile uint32_t dm_event1; /* interrupt DM_CM_INFO1 Event */ + volatile uint32_t dm_event2; /* interrupt DM_CM_INFO2 Event */ + + /* response */ + uint32_t *response; /* buffer ptr for executing command. */ + uint32_t r1_card_status; /* R1 response data */ + uint32_t r3_ocr; /* R3 response data */ + uint32_t r4_resp; /* R4 response data */ + uint32_t r5_resp; /* R5 response data */ + + /* True : clock mode is low. (MMC clock = Max26MHz) */ + uint32_t low_clock_mode_enable; + + uint32_t reserved2; + uint32_t reserved3; + uint32_t reserved4; + + /* CSD registers (4byte align) */ + uint8_t csd_data[EMMC_MAX_CSD_LENGTH] /* CSD */ + __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); + /* CID registers (4byte align) */ + uint8_t cid_data[EMMC_MAX_CID_LENGTH] /* CID */ + __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); + /* EXT CSD registers (8byte align) */ + uint8_t ext_csd_data[EMMC_MAX_EXT_CSD_LENGTH] /* EXT_CSD */ + __attribute__ ((aligned(EMMC_BUF_REG_ALIGNED))); + /* Response registers (4byte align) */ + uint8_t response_data[EMMC_MAX_RESPONSE_LENGTH] /* other response */ + __attribute__ ((aligned(EMMC_RES_REG_ALIGNED))); +} st_mmc_base; + +typedef int (*func) (void); + +uint32_t emmc_get_csd_time(void); + +#define MMC_DEBUG +#endif /* EMMC_STD_H */ diff --git a/drivers/renesas/common/emmc/emmc_utility.c b/drivers/renesas/common/emmc/emmc_utility.c new file mode 100644 index 0000000..2e88abc --- /dev/null +++ b/drivers/renesas/common/emmc/emmc_utility.c @@ -0,0 +1,226 @@ +/* + * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common/debug.h> + +#include "emmc_config.h" +#include "emmc_def.h" +#include "emmc_hal.h" +#include "emmc_registers.h" +#include "emmc_std.h" + +static const uint32_t cmd_reg_hw[EMMC_CMD_MAX + 1] = { + 0x00000000, /* CMD0 */ + 0x00000701, /* CMD1 */ + 0x00000002, /* CMD2 */ + 0x00000003, /* CMD3 */ + 0x00000004, /* CMD4 */ + 0x00000505, /* CMD5 */ + 0x00000406, /* CMD6 */ + 0x00000007, /* CMD7 */ + 0x00001C08, /* CMD8 */ + 0x00000009, /* CMD9 */ + 0x0000000A, /* CMD10 */ + 0x00000000, /* reserved */ + 0x0000000C, /* CMD12 */ + 0x0000000D, /* CMD13 */ + 0x00001C0E, /* CMD14 */ + 0x0000000F, /* CMD15 */ + 0x00000010, /* CMD16 */ + 0x00000011, /* CMD17 */ + 0x00007C12, /* CMD18 */ + 0x00000C13, /* CMD19 */ + 0x00000000, + 0x00001C15, /* CMD21 */ + 0x00000000, + 0x00000017, /* CMD23 */ + 0x00000018, /* CMD24 */ + 0x00006C19, /* CMD25 */ + 0x00000C1A, /* CMD26 */ + 0x0000001B, /* CMD27 */ + 0x0000001C, /* CMD28 */ + 0x0000001D, /* CMD29 */ + 0x0000001E, /* CMD30 */ + 0x00001C1F, /* CMD31 */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000423, /* CMD35 */ + 0x00000424, /* CMD36 */ + 0x00000000, + 0x00000026, /* CMD38 */ + 0x00000427, /* CMD39 */ + 0x00000428, /* CMD40(send cmd) */ + 0x00000000, + 0x0000002A, /* CMD42 */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000C31, + 0x00000000, + 0x00000000, + 0x00000000, + 0x00007C35, + 0x00006C36, + 0x00000037, /* CMD55 */ + 0x00000038, /* CMD56(Read) */ + 0x00000000, + 0x00000000, + 0x00000000, + 0x00000000 +}; + +uint32_t emmc_bit_field(uint8_t *data, uint32_t top, uint32_t bottom) +{ + uint32_t value; + + uint32_t index_top = (uint32_t) (15 - (top >> 3)); + uint32_t index_bottom = (uint32_t) (15 - (bottom >> 3)); + + if (index_top == index_bottom) { + value = data[index_top]; + } else if ((index_top + 1) == index_bottom) { + value = + (uint32_t) ((data[index_top] << 8) | data[index_bottom]); + } else if ((index_top + 2) == index_bottom) { + value = + (uint32_t) ((data[index_top] << 16) | + (data[index_top + 1] << 8) | data[index_top + + 2]); + } else { + value = + (uint32_t) ((data[index_top] << 24) | + (data[index_top + 1] << 16) | + (data[index_top + 2] << 8) | + data[index_top + 3]); + } + + value = ((value >> (bottom & 0x07)) & ((1 << (top - bottom + 1)) - 1)); + + return value; +} + +void emmc_write_error_info(uint16_t func_no, EMMC_ERROR_CODE error_code) +{ + + mmc_drv_obj.error_info.num = func_no; + mmc_drv_obj.error_info.code = (uint16_t) error_code; + + ERROR("BL2: emmc err:func_no=0x%x code=0x%x\n", func_no, error_code); +} + +void emmc_write_error_info_func_no(uint16_t func_no) +{ + + mmc_drv_obj.error_info.num = func_no; + + ERROR("BL2: emmc err:func_no=0x%x\n", func_no); +} + +void emmc_make_nontrans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg) +{ + /* command information */ + mmc_drv_obj.cmd_info.cmd = cmd; + mmc_drv_obj.cmd_info.arg = arg; + mmc_drv_obj.cmd_info.dir = HAL_MEMCARD_READ; + mmc_drv_obj.cmd_info.hw = + cmd_reg_hw[cmd & HAL_MEMCARD_COMMAND_INDEX_MASK]; + + /* clear data transfer information */ + mmc_drv_obj.trans_size = 0; + mmc_drv_obj.remain_size = 0; + mmc_drv_obj.buff_address_virtual = NULL; + mmc_drv_obj.buff_address_physical = NULL; + + /* response information */ + mmc_drv_obj.response_length = 6; + + switch (mmc_drv_obj.cmd_info.cmd & HAL_MEMCARD_RESPONSE_TYPE_MASK) { + case HAL_MEMCARD_RESPONSE_NONE: + mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data; + mmc_drv_obj.response_length = 0; + break; + case HAL_MEMCARD_RESPONSE_R1: + mmc_drv_obj.response = &mmc_drv_obj.r1_card_status; + break; + case HAL_MEMCARD_RESPONSE_R1b: + mmc_drv_obj.cmd_info.hw |= BIT10; /* bit10 = R1 busy bit */ + mmc_drv_obj.response = &mmc_drv_obj.r1_card_status; + break; + case HAL_MEMCARD_RESPONSE_R2: + mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data; + mmc_drv_obj.response_length = 17; + break; + case HAL_MEMCARD_RESPONSE_R3: + mmc_drv_obj.response = &mmc_drv_obj.r3_ocr; + break; + case HAL_MEMCARD_RESPONSE_R4: + mmc_drv_obj.response = &mmc_drv_obj.r4_resp; + break; + case HAL_MEMCARD_RESPONSE_R5: + mmc_drv_obj.response = &mmc_drv_obj.r5_resp; + break; + default: + mmc_drv_obj.response = (uint32_t *) mmc_drv_obj.response_data; + break; + } +} + +void emmc_make_trans_cmd(HAL_MEMCARD_COMMAND cmd, uint32_t arg, + uint32_t *buff_address_virtual, + uint32_t len, + HAL_MEMCARD_OPERATION dir, + HAL_MEMCARD_DATA_TRANSFER_MODE transfer_mode) +{ + emmc_make_nontrans_cmd(cmd, arg); /* update common information */ + + /* for data transfer command */ + mmc_drv_obj.cmd_info.dir = dir; + mmc_drv_obj.buff_address_virtual = buff_address_virtual; + mmc_drv_obj.buff_address_physical = buff_address_virtual; + mmc_drv_obj.trans_size = len; + mmc_drv_obj.remain_size = len; + mmc_drv_obj.transfer_mode = transfer_mode; +} + +EMMC_ERROR_CODE emmc_send_idle_cmd(uint32_t arg) +{ + EMMC_ERROR_CODE result; + uint32_t freq; + + /* initialize state */ + mmc_drv_obj.mount = FALSE; + mmc_drv_obj.selected = FALSE; + mmc_drv_obj.during_transfer = FALSE; + mmc_drv_obj.during_cmd_processing = FALSE; + mmc_drv_obj.during_dma_transfer = FALSE; + mmc_drv_obj.dma_error_flag = FALSE; + mmc_drv_obj.force_terminate = FALSE; + mmc_drv_obj.state_machine_blocking = FALSE; + + mmc_drv_obj.bus_width = HAL_MEMCARD_DATA_WIDTH_1_BIT; + mmc_drv_obj.max_freq = MMC_20MHZ; /* 20MHz */ + mmc_drv_obj.current_state = EMMC_R1_STATE_IDLE; + + /* CMD0 (MMC clock is current frequency. if Data transfer mode, 20MHz or higher.) */ + emmc_make_nontrans_cmd(CMD0_GO_IDLE_STATE, arg); /* CMD0 */ + result = emmc_exec_cmd(EMMC_R1_ERROR_MASK, mmc_drv_obj.response); + if (result != EMMC_SUCCESS) { + return result; + } + + /* change MMC clock(400KHz) */ + freq = MMC_400KHZ; + result = emmc_set_request_mmc_clock(&freq); + if (result != EMMC_SUCCESS) { + return result; + } + + return EMMC_SUCCESS; +} |