diff options
Diffstat (limited to 'drivers/renesas/rcar/emmc/emmc_utility.c')
-rw-r--r-- | drivers/renesas/rcar/emmc/emmc_utility.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/drivers/renesas/rcar/emmc/emmc_utility.c b/drivers/renesas/rcar/emmc/emmc_utility.c deleted file mode 100644 index 2e88abc75f..0000000000 --- a/drivers/renesas/rcar/emmc/emmc_utility.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * 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; -} |