mirror of
https://github.com/CTCaer/hekate.git
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336 lines
12 KiB
C
336 lines
12 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2023 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SDMMC_DRIVER_H_
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#define _SDMMC_DRIVER_H_
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#include <utils/types.h>
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#include <storage/sdmmc_t210.h>
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/*! SDMMC controller IDs. */
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#define SDMMC_1 0 // Version 4.00.
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#define SDMMC_2 1 // Version 5.0 + SW CQE + Enhanced Strobe.
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#define SDMMC_3 2 // Version 4.00.
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#define SDMMC_4 3 // Version 5.0 + SW CQE + Enhanced Strobe.
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/*! SDMMC power types. */
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#define SDMMC_POWER_OFF 0
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#define SDMMC_POWER_1_8 1
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#define SDMMC_POWER_3_3 2
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/*! SDMMC response types. */
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#define SDMMC_RSP_TYPE_0 0
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#define SDMMC_RSP_TYPE_1 1
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#define SDMMC_RSP_TYPE_2 2
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#define SDMMC_RSP_TYPE_3 3
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#define SDMMC_RSP_TYPE_4 4
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#define SDMMC_RSP_TYPE_5 5
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/*! SDMMC bus widths. */
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#define SDMMC_BUS_WIDTH_1 0
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#define SDMMC_BUS_WIDTH_4 1
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#define SDMMC_BUS_WIDTH_8 2
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/*! SDMMC mask interrupt status. */
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#define SDMMC_MASKINT_MASKED 0
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#define SDMMC_MASKINT_NOERROR 1
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#define SDMMC_MASKINT_ERROR 2
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/*! SDMMC present state. 0x24. */
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#define SDHCI_CMD_INHIBIT BIT(0)
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#define SDHCI_DATA_INHIBIT BIT(1)
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#define SDHCI_DAT_LINE_ACTIVE BIT(2)
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#define SDHCI_RETUNING_REQUEST BIT(3)
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#define SDHCI_EMMC_LINE_LVL_MASK (0xFU << 4)
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#define SDHCI_DATA_4_LVL BIT(4) // eMMC only.
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#define SDHCI_DATA_5_LVL BIT(5) // eMMC only.
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#define SDHCI_DATA_6_LVL BIT(6) // eMMC only.
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#define SDHCI_DATA_7_LVL BIT(7) // eMMC only.
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#define SDHCI_DOING_WRITE BIT(8)
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#define SDHCI_DOING_READ BIT(9) // SD only.
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#define SDHCI_SPACE_AVAILABLE BIT(10) // Write buffer empty.
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#define SDHCI_DATA_AVAILABLE BIT(11) // Read buffer has data.
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#define SDHCI_CARD_PRESENT BIT(16)
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#define SDHCI_CD_STABLE BIT(17)
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#define SDHCI_CD_LVL BIT(18)
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#define SDHCI_WRITE_PROTECT BIT(19)
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#define SDHCI_DATA_LVL_MASK 0xF00000
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#define SDHCI_DATA_0_LVL BIT(20)
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#define SDHCI_DATA_1_LVL BIT(21)
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#define SDHCI_DATA_2_LVL BIT(22)
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#define SDHCI_DATA_3_LVL BIT(23)
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#define SDHCI_CMD_LVL BIT(24)
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/*! SDMMC transfer mode. 0x0C. */
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#define SDHCI_TRNS_DMA BIT(0)
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#define SDHCI_TRNS_BLK_CNT_EN BIT(1)
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#define SDHCI_TRNS_AUTO_CMD12 (1U << 2)
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#define SDHCI_TRNS_AUTO_CMD23 (2U << 2)
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#define SDHCI_TRNS_WRITE (0U << 4)
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#define SDHCI_TRNS_READ BIT(4)
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#define SDHCI_TRNS_MULTI BIT(5)
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#define SDHCI_TRNS_RTYPE_R1 (0U << 6)
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#define SDHCI_TRNS_RTYPE_R5 BIT(6)
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#define SDHCI_TRNS_RSP_ERR_CHK BIT(7)
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#define SDHCI_TRNS_RSP_INT_DIS BIT(8)
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/*! SDMMC command. 0x0E. */
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#define SDHCI_CMD_RESP_MASK 0x3
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#define SDHCI_CMD_RESP_NO_RESP 0x0
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#define SDHCI_CMD_RESP_LEN136 0x1
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#define SDHCI_CMD_RESP_LEN48 0x2
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#define SDHCI_CMD_RESP_LEN48_BUSY 0x3
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#define SDHCI_CMD_CRC BIT(3)
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#define SDHCI_CMD_INDEX BIT(4)
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#define SDHCI_CMD_DATA BIT(5)
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#define SDHCI_CMD_TYPE_NORMAL (0U << 6)
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#define SDHCI_CMD_TYPE_SUSPEND (1U << 6)
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#define SDHCI_CMD_TYPE_RESUME (2U << 6)
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#define SDHCI_CMD_TYPE_ABORT (3U << 6)
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#define SDHCI_CMD_IDX(cmd) ((cmd) << 8)
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/*! SDMMC host control. 0x28. */
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#define SDHCI_CTRL_LED BIT(0)
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#define SDHCI_CTRL_4BITBUS BIT(1) // SD only.
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#define SDHCI_CTRL_HISPD BIT(2) // SD only.
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#define SDHCI_CTRL_DMA_MASK (3U << 3)
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#define SDHCI_CTRL_SDMA (0U << 3)
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#define SDHCI_CTRL_ADMA1 (1U << 3)
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#define SDHCI_CTRL_ADMA32 (2U << 3)
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#define SDHCI_CTRL_ADMA64 (3U << 3)
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#define SDHCI_CTRL_8BITBUS BIT(5) // eMMC only (or UHS-II).
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#define SDHCI_CTRL_CDTEST_INS BIT(6)
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#define SDHCI_CTRL_CDTEST_EN BIT(7)
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/*! SDMMC host control 2. 0x3E. */
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#define SDHCI_CTRL_UHS_MASK 0x7
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#define SDHCI_CTRL_VDD_180 BIT(3)
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#define SDHCI_CTRL_DRV_TYPE_MASK (3U << 4)
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#define SDHCI_CTRL_DRV_TYPE_B (0U << 4)
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#define SDHCI_CTRL_DRV_TYPE_A (1U << 4)
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#define SDHCI_CTRL_DRV_TYPE_C (2U << 4)
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#define SDHCI_CTRL_DRV_TYPE_D (3U << 4)
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#define SDHCI_CTRL_DRV_TYPE(type) ((type) << 4)
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#define SDHCI_CTRL_EXEC_TUNING BIT(6)
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#define SDHCI_CTRL_TUNED_CLK_SHIFT 7
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#define SDHCI_CTRL_TUNED_CLK BIT(7)
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#define SDHCI_HOST_VERSION_4_EN BIT(12)
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#define SDHCI_ADDRESSING_64BIT_EN BIT(13)
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#define SDHCI_CTRL_PRESET_VAL_EN BIT(15)
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/*! SDMMC power control. 0x29. */
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#define SDHCI_POWER_ON BIT(0)
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#define SDHCI_POWER_180 (5U << 1)
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#define SDHCI_POWER_300 (6U << 1)
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#define SDHCI_POWER_330 (7U << 1)
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#define SDHCI_POWER_MASK 0xF1 // UHS-II only.
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/*! SDMMC clock control. 0x2C. */
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#define SDHCI_CLOCK_INT_EN BIT(0) // Internal Clock.
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#define SDHCI_CLOCK_INT_STABLE BIT(1) // Internal Clock Stable.
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#define SDHCI_CLOCK_CARD_EN BIT(2)
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#define SDHCI_PROG_CLOCK_MODE BIT(5)
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#define SDHCI_DIV_HI_SHIFT 6
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#define SDHCI_DIV_HI_MASK (3U << SDHCI_DIV_HI_SHIFT)
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#define SDHCI_DIV_LO_SHIFT 8
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#define SDHCI_DIV_MASK (0xFFU << SDHCI_DIV_LO_SHIFT)
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/*! SDMMC software reset. 0x2F. */
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#define SDHCI_RESET_ALL BIT(0)
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#define SDHCI_RESET_CMD BIT(1)
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#define SDHCI_RESET_DATA BIT(2)
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/*! SDMMC interrupt status and control. 0x30/0x34. */
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#define SDHCI_INT_RESPONSE BIT(0)
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#define SDHCI_INT_DATA_END BIT(1)
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#define SDHCI_INT_BLK_GAP BIT(2)
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#define SDHCI_INT_DMA_END BIT(3)
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#define SDHCI_INT_SPACE_AVAIL BIT(4) // Write buffer empty.
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#define SDHCI_INT_DATA_AVAIL BIT(5) // Read buffer has data.
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#define SDHCI_INT_CARD_INSERT BIT(6)
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#define SDHCI_INT_CARD_REMOVE BIT(7)
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#define SDHCI_INT_CARD_INT BIT(8)
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#define SDHCI_INT_RETUNE BIT(12)
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#define SDHCI_INT_ERROR BIT(15)
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/*! SDMMC error interrupt status and control. 0x32/0x36. */
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#define SDHCI_ERR_INT_TIMEOUT BIT(0)
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#define SDHCI_ERR_INT_CRC BIT(1)
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#define SDHCI_ERR_INT_END_BIT BIT(2)
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#define SDHCI_ERR_INT_INDEX BIT(3)
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#define SDHCI_ERR_INT_DATA_TIMEOUT BIT(4)
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#define SDHCI_ERR_INT_DATA_CRC BIT(5)
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#define SDHCI_ERR_INT_DATA_END_BIT BIT(6)
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#define SDHCI_ERR_INT_BUS_POWER BIT(7)
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#define SDHCI_ERR_INT_AUTO_CMD12 BIT(8)
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#define SDHCI_ERR_INT_ADMA BIT(9)
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#define SDHCI_ERR_INT_TUNE BIT(10)
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#define SDHCI_ERR_INT_RSP BIT(11)
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#define SDHCI_ERR_INT_TARGET_RSP BIT(12)
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#define SDHCI_ERR_INT_SPI BIT(13)
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#define SDHCI_ERR_INT_VND_BOOT_TMO BIT(14)
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#define SDHCI_ERR_INT_VND_BOOT_ACK BIT(15)
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#define SDHCI_ERR_INT_ALL_EXCEPT_ADMA_BUSPWR \
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(SDHCI_ERR_INT_AUTO_CMD12 | SDHCI_ERR_INT_DATA_END_BIT | \
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SDHCI_ERR_INT_DATA_CRC | SDHCI_ERR_INT_DATA_TIMEOUT | \
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SDHCI_ERR_INT_INDEX | SDHCI_ERR_INT_END_BIT | \
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SDHCI_ERR_INT_CRC | SDHCI_ERR_INT_TIMEOUT)
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/*! Host Capability 1. 0x40. */
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#define SDHCI_CAP_TM_CLK_FREQ_MASK 0x3F
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#define SDHCI_CAP_TM_UNIT_MHZ BIT(7)
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#define SDHCI_CAP_BASE_CLK_FREQ_MASK (0xFFU << 8)
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#define SDHCI_CAP_MAX_BLK_LEN_MASK (3U << 16)
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#define SDHCI_CAP_EMMC_8BIT BIT(18)
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#define SDHCI_CAP_ADMA2 BIT(19)
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#define SDHCI_CAP_HISPD BIT(21)
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#define SDHCI_CAP_SDMA BIT(22)
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#define SDHCI_CAP_SUSPEND_RESUME BIT(23)
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#define SDHCI_CAP_3_3_V BIT(24)
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#define SDHCI_CAP_3_0_V BIT(25)
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#define SDHCI_CAP_1_8_V BIT(26)
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#define SDHCI_CAP_64BIT BIT(28)
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#define SDHCI_CAP_ASYNC_INT BIT(29)
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#define SDHCI_CAP_SLOT_TYPE_MASK (3U << 30)
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#define SDHCI_CAP_SLOT_TYPE_REMOVABLE (0U << 30)
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#define SDHCI_CAP_SLOT_TYPE_EMBEDDED (1U << 30)
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#define SDHCI_CAP_SLOT_TYPE_SHARED (2U << 30)
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#define SDHCI_CAP_SLOT_TYPE_UHS2 (3U << 30)
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/*! Host Capability 2. 0x44. */
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#define SDHCI_CAP_SDR50 BIT(0)
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#define SDHCI_CAP_SDR5104 BIT(1)
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#define SDHCI_CAP_DDR50 BIT(2)
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#define SDHCI_CAP_UHS2 BIT(3)
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#define SDHCI_CAP_DRV_TYPE_A BIT(4)
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#define SDHCI_CAP_DRV_TYPE_C BIT(5)
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#define SDHCI_CAP_DRV_TYPE_D BIT(6)
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#define SDHCI_CAP_RSP_TIMER_CNT_MASK (0xFU << 8)
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#define SDHCI_CAP_SDR50_TUNING BIT(13)
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#define SDHCI_CAP_RSP_MODES_MASK (3U << 14)
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#define SDHCI_CAP_CLK_MULT (0xFFU << 16)
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#define SDHCI_CAP_ADMA3 BIT(27)
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#define SDHCI_CAP_VDD2_1_8V BIT(28)
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/*! SDMMC max current. 0x48 */
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#define SDHCI_MAX_CURRENT_3_3_V_MASK (0xFFU << 0)
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#define SDHCI_MAX_CURRENT_3_0_V_MASK (0xFFU << 8)
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#define SDHCI_MAX_CURRENT_1_8_V_MASK (0xFFU << 16)
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#define SDHCI_MAX_CURRENT_MULTIPLIER 4
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/*! SDMMC max current. 0x4C */
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#define SDHCI_MAX_CURRENT_1_8_V_VDD2_MASK (0xFFU << 0)
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/*! SD bus speeds. */
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#define UHS_SDR12_BUS_SPEED 0
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#define HIGH_SPEED_BUS_SPEED 1
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#define UHS_SDR25_BUS_SPEED 1
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#define UHS_SDR50_BUS_SPEED 2
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#define UHS_SDR104_BUS_SPEED 3
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#define UHS_DDR50_BUS_SPEED 4
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#define HS400_BUS_SPEED 5
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/*! SDMMC timmings. */
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#define SDHCI_TIMING_MMC_ID 0
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#define SDHCI_TIMING_MMC_LS26 1
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#define SDHCI_TIMING_MMC_HS52 2
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#define SDHCI_TIMING_MMC_HS200 3
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#define SDHCI_TIMING_MMC_HS400 4
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#define SDHCI_TIMING_SD_ID 5
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#define SDHCI_TIMING_SD_DS12 6
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#define SDHCI_TIMING_SD_HS25 7
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#define SDHCI_TIMING_UHS_SDR12 8
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#define SDHCI_TIMING_UHS_SDR25 9
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#define SDHCI_TIMING_UHS_SDR50 10
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#define SDHCI_TIMING_UHS_SDR104 11
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#define SDHCI_TIMING_UHS_DDR50 12
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// SDR104 with a 163.2MHz -> 81.6MHz clock.
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#define SDHCI_TIMING_UHS_SDR82 13 // GC FPGA. Obsolete and Repurposed. MMC_HS50 -> SDR82.
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#define SDHCI_TIMING_MMC_HS100 14 // GC ASIC.
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#define SDHCI_TIMING_UHS_DDR200 15
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/*! SDMMC Low power features. */
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#define SDMMC_POWER_SAVE_DISABLE 0
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#define SDMMC_POWER_SAVE_ENABLE 1
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/*! Helper for SWITCH command argument. */
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#define SDMMC_SWITCH(mode, index, value) (((mode) << 24) | ((index) << 16) | ((value) << 8))
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#define HW_TAP_TUNING 0x100
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#define INVALID_TAP 0x100
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#define SAMPLING_WINDOW_SIZE_MIN 8
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/*! SDMMC controller context. */
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typedef struct _sdmmc_t
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{
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t210_sdmmc_t *regs;
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u32 id;
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u32 card_clock;
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u32 clock_stopped;
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int powersave_enabled;
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int manual_cal;
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int card_clock_enabled;
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int venclkctl_set;
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u32 venclkctl_tap;
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u32 expected_rsp_type;
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u32 dma_addr_next;
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u32 rsp[4];
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u32 rsp3;
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int t210b01;
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} sdmmc_t;
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/*! SDMMC command. */
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typedef struct _sdmmc_cmd_t
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{
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u16 cmd;
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u32 arg;
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u32 rsp_type;
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u32 check_busy;
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} sdmmc_cmd_t;
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/*! SDMMC request. */
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typedef struct _sdmmc_req_t
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{
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void *buf;
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u32 blksize;
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u32 num_sectors;
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int is_write;
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int is_multi_block;
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int is_auto_stop_trn;
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} sdmmc_req_t;
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int sdmmc_get_io_power(sdmmc_t *sdmmc);
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u32 sdmmc_get_bus_width(sdmmc_t *sdmmc);
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void sdmmc_set_bus_width(sdmmc_t *sdmmc, u32 bus_width);
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void sdmmc_save_tap_value(sdmmc_t *sdmmc);
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void sdmmc_setup_drv_type(sdmmc_t *sdmmc, u32 type);
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int sdmmc_setup_clock(sdmmc_t *sdmmc, u32 type);
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void sdmmc_card_clock_powersave(sdmmc_t *sdmmc, int powersave_enable);
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int sdmmc_get_rsp(sdmmc_t *sdmmc, u32 *rsp, u32 size, u32 type);
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int sdmmc_tuning_execute(sdmmc_t *sdmmc, u32 type, u32 cmd);
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int sdmmc_stop_transmission(sdmmc_t *sdmmc, u32 *rsp);
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bool sdmmc_get_sd_inserted();
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int sdmmc_init(sdmmc_t *sdmmc, u32 id, u32 power, u32 bus_width, u32 type);
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void sdmmc_end(sdmmc_t *sdmmc);
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void sdmmc_init_cmd(sdmmc_cmd_t *cmdbuf, u16 cmd, u32 arg, u32 rsp_type, u32 check_busy);
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int sdmmc_execute_cmd(sdmmc_t *sdmmc, sdmmc_cmd_t *cmd, sdmmc_req_t *req, u32 *blkcnt_out);
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int sdmmc_enable_low_voltage(sdmmc_t *sdmmc);
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#endif
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