drivers/mmc/tmio-common.h - platform/external/u-boot - Gitiles

 /*
  * Copyright (C) 2016 Socionext Inc.
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #ifndef __TMIO_COMMON_H__
 #define __TMIO_COMMON_H__

 #define TMIO_SD_CMD			0x000	/* command */
 #define   TMIO_SD_CMD_NOSTOP		BIT(14)	/* No automatic CMD12 issue */
 #define   TMIO_SD_CMD_MULTI		BIT(13)	/* multiple block transfer */
 #define   TMIO_SD_CMD_RD		BIT(12)	/* 1: read, 0: write */
 #define   TMIO_SD_CMD_DATA		BIT(11)	/* data transfer */
 #define   TMIO_SD_CMD_APP		BIT(6)	/* ACMD preceded by CMD55 */
 #define   TMIO_SD_CMD_NORMAL		(0 << 8)/* auto-detect of resp-type */
 #define   TMIO_SD_CMD_RSP_NONE		(3 << 8)/* response: none */
 #define   TMIO_SD_CMD_RSP_R1		(4 << 8)/* response: R1, R5, R6, R7 */
 #define   TMIO_SD_CMD_RSP_R1B		(5 << 8)/* response: R1b, R5b */
 #define   TMIO_SD_CMD_RSP_R2		(6 << 8)/* response: R2 */
 #define   TMIO_SD_CMD_RSP_R3		(7 << 8)/* response: R3, R4 */
 #define TMIO_SD_ARG			0x008	/* command argument */
 #define TMIO_SD_STOP			0x010	/* stop action control */
 #define   TMIO_SD_STOP_SEC		BIT(8)	/* use sector count */
 #define   TMIO_SD_STOP_STP		BIT(0)	/* issue CMD12 */
 #define TMIO_SD_SECCNT			0x014	/* sector counter */
 #define TMIO_SD_RSP10			0x018	/* response[39:8] */
 #define TMIO_SD_RSP32			0x020	/* response[71:40] */
 #define TMIO_SD_RSP54			0x028	/* response[103:72] */
 #define TMIO_SD_RSP76			0x030	/* response[127:104] */
 #define TMIO_SD_INFO1			0x038	/* IRQ status 1 */
 #define   TMIO_SD_INFO1_CD		BIT(5)	/* state of card detect */
 #define   TMIO_SD_INFO1_INSERT		BIT(4)	/* card inserted */
 #define   TMIO_SD_INFO1_REMOVE		BIT(3)	/* card removed */
 #define   TMIO_SD_INFO1_CMP		BIT(2)	/* data complete */
 #define   TMIO_SD_INFO1_RSP		BIT(0)	/* response complete */
 #define TMIO_SD_INFO2			0x03c	/* IRQ status 2 */
 #define   TMIO_SD_INFO2_ERR_ILA	BIT(15)	/* illegal access err */
 #define   TMIO_SD_INFO2_CBSY		BIT(14)	/* command busy */
 #define   TMIO_SD_INFO2_SCLKDIVEN	BIT(13)	/* command setting reg ena */
 #define   TMIO_SD_INFO2_BWE		BIT(9)	/* write buffer ready */
 #define   TMIO_SD_INFO2_BRE		BIT(8)	/* read buffer ready */
 #define   TMIO_SD_INFO2_DAT0		BIT(7)	/* SDDAT0 */
 #define   TMIO_SD_INFO2_ERR_RTO	BIT(6)	/* response time out */
 #define   TMIO_SD_INFO2_ERR_ILR	BIT(5)	/* illegal read err */
 #define   TMIO_SD_INFO2_ERR_ILW	BIT(4)	/* illegal write err */
 #define   TMIO_SD_INFO2_ERR_TO		BIT(3)	/* time out error */
 #define   TMIO_SD_INFO2_ERR_END	BIT(2)	/* END bit error */
 #define   TMIO_SD_INFO2_ERR_CRC	BIT(1)	/* CRC error */
 #define   TMIO_SD_INFO2_ERR_IDX	BIT(0)	/* cmd index error */
 #define TMIO_SD_INFO1_MASK		0x040
 #define TMIO_SD_INFO2_MASK		0x044
 #define TMIO_SD_CLKCTL			0x048	/* clock divisor */
 #define   TMIO_SD_CLKCTL_DIV_MASK	0x104ff
 #define   TMIO_SD_CLKCTL_DIV1024	BIT(16)	/* SDCLK = CLK / 1024 */
 #define   TMIO_SD_CLKCTL_DIV512	BIT(7)	/* SDCLK = CLK / 512 */
 #define   TMIO_SD_CLKCTL_DIV256	BIT(6)	/* SDCLK = CLK / 256 */
 #define   TMIO_SD_CLKCTL_DIV128	BIT(5)	/* SDCLK = CLK / 128 */
 #define   TMIO_SD_CLKCTL_DIV64		BIT(4)	/* SDCLK = CLK / 64 */
 #define   TMIO_SD_CLKCTL_DIV32		BIT(3)	/* SDCLK = CLK / 32 */
 #define   TMIO_SD_CLKCTL_DIV16		BIT(2)	/* SDCLK = CLK / 16 */
 #define   TMIO_SD_CLKCTL_DIV8		BIT(1)	/* SDCLK = CLK / 8 */
 #define   TMIO_SD_CLKCTL_DIV4		BIT(0)	/* SDCLK = CLK / 4 */
 #define   TMIO_SD_CLKCTL_DIV2		0	/* SDCLK = CLK / 2 */
 #define   TMIO_SD_CLKCTL_DIV1		BIT(10)	/* SDCLK = CLK */
 #define   TMIO_SD_CLKCTL_RCAR_DIV1	0xff	/* SDCLK = CLK (RCar ver.) */
 #define   TMIO_SD_CLKCTL_OFFEN		BIT(9)	/* stop SDCLK when unused */
 #define   TMIO_SD_CLKCTL_SCLKEN	BIT(8)	/* SDCLK output enable */
 #define TMIO_SD_SIZE			0x04c	/* block size */
 #define TMIO_SD_OPTION			0x050
 #define   TMIO_SD_OPTION_WIDTH_MASK	(5 << 13)
 #define   TMIO_SD_OPTION_WIDTH_1	(4 << 13)
 #define   TMIO_SD_OPTION_WIDTH_4	(0 << 13)
 #define   TMIO_SD_OPTION_WIDTH_8	(1 << 13)
 #define TMIO_SD_BUF			0x060	/* read/write buffer */
 #define TMIO_SD_EXTMODE		0x1b0
 #define   TMIO_SD_EXTMODE_DMA_EN	BIT(1)	/* transfer 1: DMA, 0: pio */
 #define TMIO_SD_SOFT_RST		0x1c0
 #define TMIO_SD_SOFT_RST_RSTX		BIT(0)	/* reset deassert */
 #define TMIO_SD_VERSION		0x1c4	/* version register */
 #define TMIO_SD_VERSION_IP		0xff	/* IP version */
 #define TMIO_SD_HOST_MODE		0x1c8
 #define TMIO_SD_IF_MODE		0x1cc
 #define   TMIO_SD_IF_MODE_DDR		BIT(0)	/* DDR mode */
 #define TMIO_SD_VOLT			0x1e4	/* voltage switch */
 #define   TMIO_SD_VOLT_MASK		(3 << 0)
 #define   TMIO_SD_VOLT_OFF		(0 << 0)
 #define   TMIO_SD_VOLT_330		(1 << 0)/* 3.3V signal */
 #define   TMIO_SD_VOLT_180		(2 << 0)/* 1.8V signal */
 #define TMIO_SD_DMA_MODE		0x410
 #define   TMIO_SD_DMA_MODE_DIR_RD	BIT(16)	/* 1: from device, 0: to dev */
 #define   TMIO_SD_DMA_MODE_ADDR_INC	BIT(0)	/* 1: address inc, 0: fixed */
 #define TMIO_SD_DMA_CTL		0x414
 #define   TMIO_SD_DMA_CTL_START	BIT(0)	/* start DMA (auto cleared) */
 #define TMIO_SD_DMA_RST		0x418
 #define   TMIO_SD_DMA_RST_RD		BIT(9)
 #define   TMIO_SD_DMA_RST_WR		BIT(8)
 #define TMIO_SD_DMA_INFO1		0x420
 #define   TMIO_SD_DMA_INFO1_END_RD2	BIT(20)	/* DMA from device is complete (uniphier) */
 #define   TMIO_SD_DMA_INFO1_END_RD	BIT(17)	/* DMA from device is complete (renesas) */
 #define   TMIO_SD_DMA_INFO1_END_WR	BIT(16)	/* DMA to device is complete */
 #define TMIO_SD_DMA_INFO1_MASK		0x424
 #define TMIO_SD_DMA_INFO2		0x428
 #define   TMIO_SD_DMA_INFO2_ERR_RD	BIT(17)
 #define   TMIO_SD_DMA_INFO2_ERR_WR	BIT(16)
 #define TMIO_SD_DMA_INFO2_MASK		0x42c
 #define TMIO_SD_DMA_ADDR_L		0x440
 #define TMIO_SD_DMA_ADDR_H		0x444

 /* alignment required by the DMA engine of this controller */
 #define TMIO_SD_DMA_MINALIGN		0x10

 struct tmio_sd_plat {
 	struct mmc_config		cfg;
 	struct mmc			mmc;
 };

 struct tmio_sd_priv {
 	void __iomem			*regbase;
 	unsigned long			mclk;
 	unsigned int			version;
 	u32				caps;
 #define TMIO_SD_CAP_NONREMOVABLE	BIT(0)	/* Nonremovable e.g. eMMC */
 #define TMIO_SD_CAP_DMA_INTERNAL	BIT(1)	/* have internal DMA engine */
 #define TMIO_SD_CAP_DIV1024		BIT(2)	/* divisor 1024 is available */
 #define TMIO_SD_CAP_64BIT		BIT(3)	/* Controller is 64bit */
 #define TMIO_SD_CAP_16BIT		BIT(4)	/* Controller is 16bit */
 #define TMIO_SD_CAP_RCAR_GEN2		BIT(5)	/* Renesas RCar version of IP */
 #define TMIO_SD_CAP_RCAR_GEN3		BIT(6)	/* Renesas RCar version of IP */
 #define TMIO_SD_CAP_RCAR_UHS		BIT(7)	/* Renesas RCar UHS/SDR modes */
 #define TMIO_SD_CAP_RCAR		\
 	(TMIO_SD_CAP_RCAR_GEN2 | TMIO_SD_CAP_RCAR_GEN3)
 #ifdef CONFIG_DM_REGULATOR
 	struct udevice *vqmmc_dev;
 #endif
 };

 int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 		      struct mmc_data *data);
 int tmio_sd_set_ios(struct udevice *dev);
 int tmio_sd_get_cd(struct udevice *dev);

 int tmio_sd_bind(struct udevice *dev);
 int tmio_sd_probe(struct udevice *dev, u32 quirks);

 u32 tmio_sd_readl(struct tmio_sd_priv *priv, unsigned int reg);
 void tmio_sd_writel(struct tmio_sd_priv *priv,
 		     u32 val, unsigned int reg);

 #endif /* __TMIO_COMMON_H__ */
	/*
	* Copyright (C) 2016 Socionext Inc.
	* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#ifndef __TMIO_COMMON_H__
	#define __TMIO_COMMON_H__

	#define TMIO_SD_CMD 0x000 /* command */
	#define TMIO_SD_CMD_NOSTOP BIT(14) /* No automatic CMD12 issue */
	#define TMIO_SD_CMD_MULTI BIT(13) /* multiple block transfer */
	#define TMIO_SD_CMD_RD BIT(12) /* 1: read, 0: write */
	#define TMIO_SD_CMD_DATA BIT(11) /* data transfer */
	#define TMIO_SD_CMD_APP BIT(6) /* ACMD preceded by CMD55 */
	#define TMIO_SD_CMD_NORMAL (0 << 8)/* auto-detect of resp-type */
	#define TMIO_SD_CMD_RSP_NONE (3 << 8)/* response: none */
	#define TMIO_SD_CMD_RSP_R1 (4 << 8)/* response: R1, R5, R6, R7 */
	#define TMIO_SD_CMD_RSP_R1B (5 << 8)/* response: R1b, R5b */
	#define TMIO_SD_CMD_RSP_R2 (6 << 8)/* response: R2 */
	#define TMIO_SD_CMD_RSP_R3 (7 << 8)/* response: R3, R4 */
	#define TMIO_SD_ARG 0x008 /* command argument */
	#define TMIO_SD_STOP 0x010 /* stop action control */
	#define TMIO_SD_STOP_SEC BIT(8) /* use sector count */
	#define TMIO_SD_STOP_STP BIT(0) /* issue CMD12 */
	#define TMIO_SD_SECCNT 0x014 /* sector counter */
	#define TMIO_SD_RSP10 0x018 /* response[39:8] */
	#define TMIO_SD_RSP32 0x020 /* response[71:40] */
	#define TMIO_SD_RSP54 0x028 /* response[103:72] */
	#define TMIO_SD_RSP76 0x030 /* response[127:104] */
	#define TMIO_SD_INFO1 0x038 /* IRQ status 1 */
	#define TMIO_SD_INFO1_CD BIT(5) /* state of card detect */
	#define TMIO_SD_INFO1_INSERT BIT(4) /* card inserted */
	#define TMIO_SD_INFO1_REMOVE BIT(3) /* card removed */
	#define TMIO_SD_INFO1_CMP BIT(2) /* data complete */
	#define TMIO_SD_INFO1_RSP BIT(0) /* response complete */
	#define TMIO_SD_INFO2 0x03c /* IRQ status 2 */
	#define TMIO_SD_INFO2_ERR_ILA BIT(15) /* illegal access err */
	#define TMIO_SD_INFO2_CBSY BIT(14) /* command busy */
	#define TMIO_SD_INFO2_SCLKDIVEN BIT(13) /* command setting reg ena */
	#define TMIO_SD_INFO2_BWE BIT(9) /* write buffer ready */
	#define TMIO_SD_INFO2_BRE BIT(8) /* read buffer ready */
	#define TMIO_SD_INFO2_DAT0 BIT(7) /* SDDAT0 */
	#define TMIO_SD_INFO2_ERR_RTO BIT(6) /* response time out */
	#define TMIO_SD_INFO2_ERR_ILR BIT(5) /* illegal read err */
	#define TMIO_SD_INFO2_ERR_ILW BIT(4) /* illegal write err */
	#define TMIO_SD_INFO2_ERR_TO BIT(3) /* time out error */
	#define TMIO_SD_INFO2_ERR_END BIT(2) /* END bit error */
	#define TMIO_SD_INFO2_ERR_CRC BIT(1) /* CRC error */
	#define TMIO_SD_INFO2_ERR_IDX BIT(0) /* cmd index error */
	#define TMIO_SD_INFO1_MASK 0x040
	#define TMIO_SD_INFO2_MASK 0x044
	#define TMIO_SD_CLKCTL 0x048 /* clock divisor */
	#define TMIO_SD_CLKCTL_DIV_MASK 0x104ff
	#define TMIO_SD_CLKCTL_DIV1024 BIT(16) /* SDCLK = CLK / 1024 */
	#define TMIO_SD_CLKCTL_DIV512 BIT(7) /* SDCLK = CLK / 512 */
	#define TMIO_SD_CLKCTL_DIV256 BIT(6) /* SDCLK = CLK / 256 */
	#define TMIO_SD_CLKCTL_DIV128 BIT(5) /* SDCLK = CLK / 128 */
	#define TMIO_SD_CLKCTL_DIV64 BIT(4) /* SDCLK = CLK / 64 */
	#define TMIO_SD_CLKCTL_DIV32 BIT(3) /* SDCLK = CLK / 32 */
	#define TMIO_SD_CLKCTL_DIV16 BIT(2) /* SDCLK = CLK / 16 */
	#define TMIO_SD_CLKCTL_DIV8 BIT(1) /* SDCLK = CLK / 8 */
	#define TMIO_SD_CLKCTL_DIV4 BIT(0) /* SDCLK = CLK / 4 */
	#define TMIO_SD_CLKCTL_DIV2 0 /* SDCLK = CLK / 2 */
	#define TMIO_SD_CLKCTL_DIV1 BIT(10) /* SDCLK = CLK */
	#define TMIO_SD_CLKCTL_RCAR_DIV1 0xff /* SDCLK = CLK (RCar ver.) */
	#define TMIO_SD_CLKCTL_OFFEN BIT(9) /* stop SDCLK when unused */
	#define TMIO_SD_CLKCTL_SCLKEN BIT(8) /* SDCLK output enable */
	#define TMIO_SD_SIZE 0x04c /* block size */
	#define TMIO_SD_OPTION 0x050
	#define TMIO_SD_OPTION_WIDTH_MASK (5 << 13)
	#define TMIO_SD_OPTION_WIDTH_1 (4 << 13)
	#define TMIO_SD_OPTION_WIDTH_4 (0 << 13)
	#define TMIO_SD_OPTION_WIDTH_8 (1 << 13)
	#define TMIO_SD_BUF 0x060 /* read/write buffer */
	#define TMIO_SD_EXTMODE 0x1b0
	#define TMIO_SD_EXTMODE_DMA_EN BIT(1) /* transfer 1: DMA, 0: pio */
	#define TMIO_SD_SOFT_RST 0x1c0
	#define TMIO_SD_SOFT_RST_RSTX BIT(0) /* reset deassert */
	#define TMIO_SD_VERSION 0x1c4 /* version register */
	#define TMIO_SD_VERSION_IP 0xff /* IP version */
	#define TMIO_SD_HOST_MODE 0x1c8
	#define TMIO_SD_IF_MODE 0x1cc
	#define TMIO_SD_IF_MODE_DDR BIT(0) /* DDR mode */
	#define TMIO_SD_VOLT 0x1e4 /* voltage switch */
	#define TMIO_SD_VOLT_MASK (3 << 0)
	#define TMIO_SD_VOLT_OFF (0 << 0)
	#define TMIO_SD_VOLT_330 (1 << 0)/* 3.3V signal */
	#define TMIO_SD_VOLT_180 (2 << 0)/* 1.8V signal */
	#define TMIO_SD_DMA_MODE 0x410
	#define TMIO_SD_DMA_MODE_DIR_RD BIT(16) /* 1: from device, 0: to dev */
	#define TMIO_SD_DMA_MODE_ADDR_INC BIT(0) /* 1: address inc, 0: fixed */
	#define TMIO_SD_DMA_CTL 0x414
	#define TMIO_SD_DMA_CTL_START BIT(0) /* start DMA (auto cleared) */
	#define TMIO_SD_DMA_RST 0x418
	#define TMIO_SD_DMA_RST_RD BIT(9)
	#define TMIO_SD_DMA_RST_WR BIT(8)
	#define TMIO_SD_DMA_INFO1 0x420
	#define TMIO_SD_DMA_INFO1_END_RD2 BIT(20) /* DMA from device is complete (uniphier) */
	#define TMIO_SD_DMA_INFO1_END_RD BIT(17) /* DMA from device is complete (renesas) */
	#define TMIO_SD_DMA_INFO1_END_WR BIT(16) /* DMA to device is complete */
	#define TMIO_SD_DMA_INFO1_MASK 0x424
	#define TMIO_SD_DMA_INFO2 0x428
	#define TMIO_SD_DMA_INFO2_ERR_RD BIT(17)
	#define TMIO_SD_DMA_INFO2_ERR_WR BIT(16)
	#define TMIO_SD_DMA_INFO2_MASK 0x42c
	#define TMIO_SD_DMA_ADDR_L 0x440
	#define TMIO_SD_DMA_ADDR_H 0x444

	/* alignment required by the DMA engine of this controller */
	#define TMIO_SD_DMA_MINALIGN 0x10

	struct tmio_sd_plat {
	struct mmc_config cfg;
	struct mmc mmc;
	};

	struct tmio_sd_priv {
	void __iomem *regbase;
	unsigned long mclk;
	unsigned int version;
	u32 caps;
	#define TMIO_SD_CAP_NONREMOVABLE BIT(0) /* Nonremovable e.g. eMMC */
	#define TMIO_SD_CAP_DMA_INTERNAL BIT(1) /* have internal DMA engine */
	#define TMIO_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */
	#define TMIO_SD_CAP_64BIT BIT(3) /* Controller is 64bit */
	#define TMIO_SD_CAP_16BIT BIT(4) /* Controller is 16bit */
	#define TMIO_SD_CAP_RCAR_GEN2 BIT(5) /* Renesas RCar version of IP */
	#define TMIO_SD_CAP_RCAR_GEN3 BIT(6) /* Renesas RCar version of IP */
	#define TMIO_SD_CAP_RCAR_UHS BIT(7) /* Renesas RCar UHS/SDR modes */
	#define TMIO_SD_CAP_RCAR \
	(TMIO_SD_CAP_RCAR_GEN2 \| TMIO_SD_CAP_RCAR_GEN3)
	#ifdef CONFIG_DM_REGULATOR
	struct udevice *vqmmc_dev;
	#endif
	};

	int tmio_sd_send_cmd(struct udevice dev, struct mmc_cmd cmd,
	struct mmc_data *data);
	int tmio_sd_set_ios(struct udevice *dev);
	int tmio_sd_get_cd(struct udevice *dev);

	int tmio_sd_bind(struct udevice *dev);
	int tmio_sd_probe(struct udevice *dev, u32 quirks);

	u32 tmio_sd_readl(struct tmio_sd_priv *priv, unsigned int reg);
	void tmio_sd_writel(struct tmio_sd_priv *priv,
	u32 val, unsigned int reg);

	#endif /* __TMIO_COMMON_H__ */