/*
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* (C) Copyright 2016 Carlo Caione <carlo@caione.org>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __SD_EMMC_H__
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#define __SD_EMMC_H__
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#include <mmc.h>
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#define SDIO_PORT_A 0
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#define SDIO_PORT_B 1
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#define SDIO_PORT_C 2
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#define SD_EMMC_CLKSRC_24M 24000000 /* 24 MHz */
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#define SD_EMMC_CLKSRC_DIV2 1000000000 /* 1 GHz */
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#define MESON_SD_EMMC_CLOCK 0x00
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#define CLK_MAX_DIV 63
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#define CLK_SRC_24M (0 << 6)
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#define CLK_SRC_DIV2 (1 << 6)
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#define CLK_CO_PHASE_000 (0 << 8)
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#define CLK_CO_PHASE_090 (1 << 8)
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#define CLK_CO_PHASE_180 (2 << 8)
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#define CLK_CO_PHASE_270 (3 << 8)
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#define CLK_TX_PHASE_000 (0 << 10)
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#define CLK_TX_PHASE_090 (1 << 10)
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#define CLK_TX_PHASE_180 (2 << 10)
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#define CLK_TX_PHASE_270 (3 << 10)
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#define CLK_ALWAYS_ON BIT(24)
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#define MESON_SD_EMMC_CFG 0x44
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#define CFG_BUS_WIDTH_MASK GENMASK(1, 0)
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#define CFG_BUS_WIDTH_1 0
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#define CFG_BUS_WIDTH_4 1
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#define CFG_BUS_WIDTH_8 2
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#define CFG_BL_LEN_MASK GENMASK(7, 4)
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#define CFG_BL_LEN_SHIFT 4
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#define CFG_BL_LEN_512 (9 << 4)
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#define CFG_RESP_TIMEOUT_MASK GENMASK(11, 8)
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#define CFG_RESP_TIMEOUT_256 (8 << 8)
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#define CFG_RC_CC_MASK GENMASK(15, 12)
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#define CFG_RC_CC_16 (4 << 12)
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#define CFG_SDCLK_ALWAYS_ON BIT(18)
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#define CFG_AUTO_CLK BIT(23)
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#define MESON_SD_EMMC_STATUS 0x48
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#define STATUS_MASK GENMASK(15, 0)
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#define STATUS_ERR_MASK GENMASK(12, 0)
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#define STATUS_RXD_ERR_MASK GENMASK(7, 0)
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#define STATUS_TXD_ERR BIT(8)
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#define STATUS_DESC_ERR BIT(9)
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#define STATUS_RESP_ERR BIT(10)
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#define STATUS_RESP_TIMEOUT BIT(11)
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#define STATUS_DESC_TIMEOUT BIT(12)
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#define STATUS_END_OF_CHAIN BIT(13)
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#define MESON_SD_EMMC_IRQ_EN 0x4c
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#define MESON_SD_EMMC_CMD_CFG 0x50
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#define CMD_CFG_LENGTH_MASK GENMASK(8, 0)
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#define CMD_CFG_BLOCK_MODE BIT(9)
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#define CMD_CFG_R1B BIT(10)
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#define CMD_CFG_END_OF_CHAIN BIT(11)
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#define CMD_CFG_TIMEOUT_4S (12 << 12)
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#define CMD_CFG_NO_RESP BIT(16)
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#define CMD_CFG_DATA_IO BIT(18)
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#define CMD_CFG_DATA_WR BIT(19)
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#define CMD_CFG_RESP_NOCRC BIT(20)
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#define CMD_CFG_RESP_128 BIT(21)
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#define CMD_CFG_CMD_INDEX_SHIFT 24
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#define CMD_CFG_OWNER BIT(31)
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#define MESON_SD_EMMC_CMD_ARG 0x54
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#define MESON_SD_EMMC_CMD_DAT 0x58
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#define MESON_SD_EMMC_CMD_RSP 0x5c
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#define MESON_SD_EMMC_CMD_RSP1 0x60
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#define MESON_SD_EMMC_CMD_RSP2 0x64
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#define MESON_SD_EMMC_CMD_RSP3 0x68
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struct meson_mmc_platdata {
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struct mmc_config cfg;
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struct mmc mmc;
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void *regbase;
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void *w_buf;
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};
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#endif
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