[J-u-boot.git] / include / sdhci.h

/*
 * Copyright 2011, Marvell Semiconductor Inc.
 * Lei Wen <[email protected]>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 *
 * Back ported to the 8xx platform (from the 8260 platform) by
 * [email protected], 27-Jan-01.
 */
#ifndef __SDHCI_HW_H
#define __SDHCI_HW_H

#include <asm/io.h>
#include <mmc.h>
#include <asm/gpio.h>

/*
 * Controller registers
 */

#define SDHCI_DMA_ADDRESS	0x00

#define SDHCI_BLOCK_SIZE	0x04
#define  SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF))

#define SDHCI_BLOCK_COUNT	0x06

#define SDHCI_ARGUMENT		0x08

#define SDHCI_TRANSFER_MODE	0x0C
#define  SDHCI_TRNS_DMA		0x01
#define  SDHCI_TRNS_BLK_CNT_EN	0x02
#define  SDHCI_TRNS_ACMD12	0x04
#define  SDHCI_TRNS_READ	0x10
#define  SDHCI_TRNS_MULTI	0x20

#define SDHCI_COMMAND		0x0E
#define  SDHCI_CMD_RESP_MASK	0x03
#define  SDHCI_CMD_CRC		0x08
#define  SDHCI_CMD_INDEX	0x10
#define  SDHCI_CMD_DATA		0x20
#define  SDHCI_CMD_ABORTCMD	0xC0

#define  SDHCI_CMD_RESP_NONE	0x00
#define  SDHCI_CMD_RESP_LONG	0x01
#define  SDHCI_CMD_RESP_SHORT	0x02
#define  SDHCI_CMD_RESP_SHORT_BUSY 0x03

#define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) | (f & 0xff))
#define SDHCI_GET_CMD(c) ((c>>8) & 0x3f)

#define SDHCI_RESPONSE		0x10

#define SDHCI_BUFFER		0x20

#define SDHCI_PRESENT_STATE	0x24
#define  SDHCI_CMD_INHIBIT	0x00000001
#define  SDHCI_DATA_INHIBIT	0x00000002
#define  SDHCI_DOING_WRITE	0x00000100
#define  SDHCI_DOING_READ	0x00000200
#define  SDHCI_SPACE_AVAILABLE	0x00000400
#define  SDHCI_DATA_AVAILABLE	0x00000800
#define  SDHCI_CARD_PRESENT	0x00010000
#define  SDHCI_CARD_STATE_STABLE	0x00020000
#define  SDHCI_CARD_DETECT_PIN_LEVEL	0x00040000
#define  SDHCI_WRITE_PROTECT	0x00080000

#define SDHCI_HOST_CONTROL	0x28
#define  SDHCI_CTRL_LED		0x01
#define  SDHCI_CTRL_4BITBUS	0x02
#define  SDHCI_CTRL_HISPD	0x04
#define  SDHCI_CTRL_DMA_MASK	0x18
#define   SDHCI_CTRL_SDMA	0x00
#define   SDHCI_CTRL_ADMA1	0x08
#define   SDHCI_CTRL_ADMA32	0x10
#define   SDHCI_CTRL_ADMA64	0x18
#define  SDHCI_CTRL_8BITBUS	0x20
#define  SDHCI_CTRL_CD_TEST_INS	0x40
#define  SDHCI_CTRL_CD_TEST	0x80

#define SDHCI_POWER_CONTROL	0x29
#define  SDHCI_POWER_ON		0x01
#define  SDHCI_POWER_180	0x0A
#define  SDHCI_POWER_300	0x0C
#define  SDHCI_POWER_330	0x0E

#define SDHCI_BLOCK_GAP_CONTROL	0x2A

#define SDHCI_WAKE_UP_CONTROL	0x2B
#define  SDHCI_WAKE_ON_INT	0x01
#define  SDHCI_WAKE_ON_INSERT	0x02
#define  SDHCI_WAKE_ON_REMOVE	0x04

#define SDHCI_CLOCK_CONTROL	0x2C
#define  SDHCI_DIVIDER_SHIFT	8
#define  SDHCI_DIVIDER_HI_SHIFT	6
#define  SDHCI_DIV_MASK	0xFF
#define  SDHCI_DIV_MASK_LEN	8
#define  SDHCI_DIV_HI_MASK	0x300
#define  SDHCI_CLOCK_CARD_EN	0x0004
#define  SDHCI_CLOCK_INT_STABLE	0x0002
#define  SDHCI_CLOCK_INT_EN	0x0001

#define SDHCI_TIMEOUT_CONTROL	0x2E

#define SDHCI_SOFTWARE_RESET	0x2F
#define  SDHCI_RESET_ALL	0x01
#define  SDHCI_RESET_CMD	0x02
#define  SDHCI_RESET_DATA	0x04

#define SDHCI_INT_STATUS	0x30
#define SDHCI_INT_ENABLE	0x34
#define SDHCI_SIGNAL_ENABLE	0x38
#define  SDHCI_INT_RESPONSE	0x00000001
#define  SDHCI_INT_DATA_END	0x00000002
#define  SDHCI_INT_DMA_END	0x00000008
#define  SDHCI_INT_SPACE_AVAIL	0x00000010
#define  SDHCI_INT_DATA_AVAIL	0x00000020
#define  SDHCI_INT_CARD_INSERT	0x00000040
#define  SDHCI_INT_CARD_REMOVE	0x00000080
#define  SDHCI_INT_CARD_INT	0x00000100
#define  SDHCI_INT_ERROR	0x00008000
#define  SDHCI_INT_TIMEOUT	0x00010000
#define  SDHCI_INT_CRC		0x00020000
#define  SDHCI_INT_END_BIT	0x00040000
#define  SDHCI_INT_INDEX	0x00080000
#define  SDHCI_INT_DATA_TIMEOUT	0x00100000
#define  SDHCI_INT_DATA_CRC	0x00200000
#define  SDHCI_INT_DATA_END_BIT	0x00400000
#define  SDHCI_INT_BUS_POWER	0x00800000
#define  SDHCI_INT_ACMD12ERR	0x01000000
#define  SDHCI_INT_ADMA_ERROR	0x02000000

#define  SDHCI_INT_NORMAL_MASK	0x00007FFF
#define  SDHCI_INT_ERROR_MASK	0xFFFF8000

#define  SDHCI_INT_CMD_MASK	(SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \
		SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)
#define  SDHCI_INT_DATA_MASK	(SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
		SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
		SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
		SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR)
#define SDHCI_INT_ALL_MASK	((unsigned int)-1)

#define SDHCI_ACMD12_ERR	0x3C

/* 3E-3F reserved */

#define SDHCI_CAPABILITIES	0x40
#define  SDHCI_TIMEOUT_CLK_MASK	0x0000003F
#define  SDHCI_TIMEOUT_CLK_SHIFT 0
#define  SDHCI_TIMEOUT_CLK_UNIT	0x00000080
#define  SDHCI_CLOCK_BASE_MASK	0x00003F00
#define  SDHCI_CLOCK_V3_BASE_MASK	0x0000FF00
#define  SDHCI_CLOCK_BASE_SHIFT	8
#define  SDHCI_MAX_BLOCK_MASK	0x00030000
#define  SDHCI_MAX_BLOCK_SHIFT  16
#define  SDHCI_CAN_DO_8BIT	0x00040000
#define  SDHCI_CAN_DO_ADMA2	0x00080000
#define  SDHCI_CAN_DO_ADMA1	0x00100000
#define  SDHCI_CAN_DO_HISPD	0x00200000
#define  SDHCI_CAN_DO_SDMA	0x00400000
#define  SDHCI_CAN_VDD_330	0x01000000
#define  SDHCI_CAN_VDD_300	0x02000000
#define  SDHCI_CAN_VDD_180	0x04000000
#define  SDHCI_CAN_64BIT	0x10000000

#define SDHCI_CAPABILITIES_1	0x44

#define SDHCI_MAX_CURRENT	0x48

/* 4C-4F reserved for more max current */

#define SDHCI_SET_ACMD12_ERROR	0x50
#define SDHCI_SET_INT_ERROR	0x52

#define SDHCI_ADMA_ERROR	0x54

/* 55-57 reserved */

#define SDHCI_ADMA_ADDRESS	0x58

/* 60-FB reserved */

#define SDHCI_SLOT_INT_STATUS	0xFC

#define SDHCI_HOST_VERSION	0xFE
#define  SDHCI_VENDOR_VER_MASK	0xFF00
#define  SDHCI_VENDOR_VER_SHIFT	8
#define  SDHCI_SPEC_VER_MASK	0x00FF
#define  SDHCI_SPEC_VER_SHIFT	0
#define   SDHCI_SPEC_100	0
#define   SDHCI_SPEC_200	1
#define   SDHCI_SPEC_300	2

#define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK)

/*
 * End of controller registers.
 */

#define SDHCI_MAX_DIV_SPEC_200	256
#define SDHCI_MAX_DIV_SPEC_300	2046

/*
 * quirks
 */
#define SDHCI_QUIRK_32BIT_DMA_ADDR	(1 << 0)
#define SDHCI_QUIRK_REG32_RW		(1 << 1)
#define SDHCI_QUIRK_BROKEN_R1B		(1 << 2)
#define SDHCI_QUIRK_NO_HISPD_BIT	(1 << 3)
#define SDHCI_QUIRK_BROKEN_VOLTAGE	(1 << 4)
#define SDHCI_QUIRK_NO_CD		(1 << 5)
#define SDHCI_QUIRK_WAIT_SEND_CMD	(1 << 6)
#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7)
#define SDHCI_QUIRK_USE_WIDE8		(1 << 8)

/* to make gcc happy */
struct sdhci_host;

/*
 * Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2.
 */
#define SDHCI_DEFAULT_BOUNDARY_SIZE	(512 * 1024)
#define SDHCI_DEFAULT_BOUNDARY_ARG	(7)
struct sdhci_ops {
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
	u32             (*read_l)(struct sdhci_host *host, int reg);
	u16             (*read_w)(struct sdhci_host *host, int reg);
	u8              (*read_b)(struct sdhci_host *host, int reg);
	void            (*write_l)(struct sdhci_host *host, u32 val, int reg);
	void            (*write_w)(struct sdhci_host *host, u16 val, int reg);
	void            (*write_b)(struct sdhci_host *host, u8 val, int reg);
#endif
};

struct sdhci_host {
	const char *name;
	void *ioaddr;
	unsigned int quirks;
	unsigned int host_caps;
	unsigned int version;
	unsigned int clock;
	struct mmc *mmc;
	const struct sdhci_ops *ops;
	int index;

	int bus_width;
	struct gpio_desc pwr_gpio;	/* Power GPIO */
	struct gpio_desc cd_gpio;		/* Card Detect GPIO */

	void (*set_control_reg)(struct sdhci_host *host);
	void (*set_clock)(int dev_index, unsigned int div);
	uint	voltages;

	struct mmc_config cfg;
};

#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS

static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
{
	if (unlikely(host->ops->write_l))
		host->ops->write_l(host, val, reg);
	else
		writel(val, host->ioaddr + reg);
}

static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
{
	if (unlikely(host->ops->write_w))
		host->ops->write_w(host, val, reg);
	else
		writew(val, host->ioaddr + reg);
}

static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
{
	if (unlikely(host->ops->write_b))
		host->ops->write_b(host, val, reg);
	else
		writeb(val, host->ioaddr + reg);
}

static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
{
	if (unlikely(host->ops->read_l))
		return host->ops->read_l(host, reg);
	else
		return readl(host->ioaddr + reg);
}

static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
{
	if (unlikely(host->ops->read_w))
		return host->ops->read_w(host, reg);
	else
		return readw(host->ioaddr + reg);
}

static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
{
	if (unlikely(host->ops->read_b))
		return host->ops->read_b(host, reg);
	else
		return readb(host->ioaddr + reg);
}

#else

static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
{
	writel(val, host->ioaddr + reg);
}

static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
{
	writew(val, host->ioaddr + reg);
}

static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
{
	writeb(val, host->ioaddr + reg);
}
static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
{
	return readl(host->ioaddr + reg);
}

static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
{
	return readw(host->ioaddr + reg);
}

static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
{
	return readb(host->ioaddr + reg);
}
#endif

#ifdef CONFIG_BLK
/**
 * sdhci_setup_cfg() - Set up the configuration for DWMMC
 *
 * This is used to set up an SDHCI device when you are using CONFIG_BLK.
 *
 * This should be called from your MMC driver's probe() method once you have
 * the information required.
 *
 * Generally your driver will have a platform data structure which holds both
 * the configuration (struct mmc_config) and the MMC device info (struct mmc).
 * For example:
 *
 * struct msm_sdhc_plat {
 *	struct mmc_config cfg;
 *	struct mmc mmc;
 * };
 *
 * ...
 *
 * Inside U_BOOT_DRIVER():
 *	.platdata_auto_alloc_size = sizeof(struct msm_sdhc_plat),
 *
 * To access platform data:
 *	struct msm_sdhc_plat *plat = dev_get_platdata(dev);
 *
 * See msm_sdhci.c for an example.
 *
 * @cfg:	Configuration structure to fill in (generally &plat->mmc)
 * @name:	Device name (normally dev->name)
 * @buswidth:	Bus width (in bits, such as 4 or 8)
 * @caps:	Host capabilities (MMC_MODE_...)
 * @max_clk:	Maximum supported clock speed in HZ (0 for default)
 * @min_clk:	Minimum supported clock speed in HZ (0 for default)
 * @version:	Host controller version (generally read from the
 *		SDHCI_HOST_VERSION register)
 * @quirks:	Quick flags (SDHCI_QUIRK_...)
 * @host_caps:	Additional host capabilities (0 if none)
 */
int sdhci_setup_cfg(struct mmc_config *cfg, const char *name, int buswidth,
		    uint caps, u32 max_clk, u32 min_clk, uint version,
		    uint quirks, uint host_caps);

/**
 * sdhci_bind() - Set up a new MMC block device
 *
 * This is used to set up an SDHCI block device when you are using CONFIG_BLK.
 * It should be called from your driver's bind() method.
 *
 * See msm_sdhci.c for an example.
 *
 * @dev:	Device to set up
 * @mmc:	Pointer to mmc structure (normally &plat->mmc)
 * @cfg:	Empty configuration structure (generally &plat->cfg). This is
 *		normally all zeroes at this point. The only purpose of passing
 *		this in is to set mmc->cfg to it.
 * @return 0 if OK, -ve if the block device could not be created
 */
int sdhci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg);
#else

/**
 * add_sdhci() - Add a new SDHCI interface
 *
 * This is used when you are not using CONFIG_BLK. Convert your driver over!
 *
 * @host:	SDHCI host structure
 * @max_clk:	Maximum supported clock speed in HZ (0 for default)
 * @min_clk:	Minimum supported clock speed in HZ (0 for default)
 * @return 0 if OK, -ve on error
 */
int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk);
#endif /* !CONFIG_BLK */

#ifdef CONFIG_DM_MMC_OPS
/* Export the operations to drivers */
int sdhci_probe(struct udevice *dev);
extern const struct dm_mmc_ops sdhci_ops;
#else
#endif

#endif /* __SDHCI_HW_H */
Commit	Line	Data
af62a557 LW	1	/*
	2	* Copyright 2011, Marvell Semiconductor Inc.
	3	* Lei Wen <[email protected]>
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
af62a557 LW	6	*
	7	* Back ported to the 8xx platform (from the 8260 platform) by
	8	* [email protected], 27-Jan-01.
	9	*/
	10	#ifndef __SDHCI_HW_H
	11	#define __SDHCI_HW_H
	12
	13	#include <asm/io.h>
6cf1b17c	14	#include <mmc.h>
0347960b	15	#include <asm/gpio.h>
6cf1b17c	16
af62a557 LW	17	/*
	18	* Controller registers
	19	*/
	20
	21	#define SDHCI_DMA_ADDRESS 0x00
	22
	23	#define SDHCI_BLOCK_SIZE 0x04
	24	#define SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) \| (blksz & 0xFFF))
	25
	26	#define SDHCI_BLOCK_COUNT 0x06
	27
	28	#define SDHCI_ARGUMENT 0x08
	29
	30	#define SDHCI_TRANSFER_MODE 0x0C
	31	#define SDHCI_TRNS_DMA 0x01
	32	#define SDHCI_TRNS_BLK_CNT_EN 0x02
	33	#define SDHCI_TRNS_ACMD12 0x04
	34	#define SDHCI_TRNS_READ 0x10
	35	#define SDHCI_TRNS_MULTI 0x20
	36
	37	#define SDHCI_COMMAND 0x0E
	38	#define SDHCI_CMD_RESP_MASK 0x03
	39	#define SDHCI_CMD_CRC 0x08
	40	#define SDHCI_CMD_INDEX 0x10
	41	#define SDHCI_CMD_DATA 0x20
	42	#define SDHCI_CMD_ABORTCMD 0xC0
	43
	44	#define SDHCI_CMD_RESP_NONE 0x00
	45	#define SDHCI_CMD_RESP_LONG 0x01
	46	#define SDHCI_CMD_RESP_SHORT 0x02
	47	#define SDHCI_CMD_RESP_SHORT_BUSY 0x03
	48
	49	#define SDHCI_MAKE_CMD(c, f) (((c & 0xff) << 8) \| (f & 0xff))
	50	#define SDHCI_GET_CMD(c) ((c>>8) & 0x3f)
	51
	52	#define SDHCI_RESPONSE 0x10
	53
	54	#define SDHCI_BUFFER 0x20
	55
	56	#define SDHCI_PRESENT_STATE 0x24
	57	#define SDHCI_CMD_INHIBIT 0x00000001
	58	#define SDHCI_DATA_INHIBIT 0x00000002
	59	#define SDHCI_DOING_WRITE 0x00000100
	60	#define SDHCI_DOING_READ 0x00000200
	61	#define SDHCI_SPACE_AVAILABLE 0x00000400
	62	#define SDHCI_DATA_AVAILABLE 0x00000800
	63	#define SDHCI_CARD_PRESENT 0x00010000
470dcc75 JH	64	#define SDHCI_CARD_STATE_STABLE 0x00020000
470dcc75 JH	65	#define SDHCI_CARD_DETECT_PIN_LEVEL 0x00040000
af62a557 LW	66	#define SDHCI_WRITE_PROTECT 0x00080000
	67
	68	#define SDHCI_HOST_CONTROL 0x28
	69	#define SDHCI_CTRL_LED 0x01
	70	#define SDHCI_CTRL_4BITBUS 0x02
	71	#define SDHCI_CTRL_HISPD 0x04
	72	#define SDHCI_CTRL_DMA_MASK 0x18
	73	#define SDHCI_CTRL_SDMA 0x00
	74	#define SDHCI_CTRL_ADMA1 0x08
	75	#define SDHCI_CTRL_ADMA32 0x10
	76	#define SDHCI_CTRL_ADMA64 0x18
470dcc75 JH	77	#define SDHCI_CTRL_8BITBUS 0x20
	78	#define SDHCI_CTRL_CD_TEST_INS 0x40
	79	#define SDHCI_CTRL_CD_TEST 0x80
af62a557 LW	80
	81	#define SDHCI_POWER_CONTROL 0x29
	82	#define SDHCI_POWER_ON 0x01
	83	#define SDHCI_POWER_180 0x0A
	84	#define SDHCI_POWER_300 0x0C
	85	#define SDHCI_POWER_330 0x0E
	86
	87	#define SDHCI_BLOCK_GAP_CONTROL 0x2A
	88
	89	#define SDHCI_WAKE_UP_CONTROL 0x2B
	90	#define SDHCI_WAKE_ON_INT 0x01
	91	#define SDHCI_WAKE_ON_INSERT 0x02
	92	#define SDHCI_WAKE_ON_REMOVE 0x04
	93
	94	#define SDHCI_CLOCK_CONTROL 0x2C
	95	#define SDHCI_DIVIDER_SHIFT 8
	96	#define SDHCI_DIVIDER_HI_SHIFT 6
	97	#define SDHCI_DIV_MASK 0xFF
	98	#define SDHCI_DIV_MASK_LEN 8
	99	#define SDHCI_DIV_HI_MASK 0x300
	100	#define SDHCI_CLOCK_CARD_EN 0x0004
	101	#define SDHCI_CLOCK_INT_STABLE 0x0002
	102	#define SDHCI_CLOCK_INT_EN 0x0001
	103
	104	#define SDHCI_TIMEOUT_CONTROL 0x2E
	105
	106	#define SDHCI_SOFTWARE_RESET 0x2F
	107	#define SDHCI_RESET_ALL 0x01
	108	#define SDHCI_RESET_CMD 0x02
	109	#define SDHCI_RESET_DATA 0x04
	110
	111	#define SDHCI_INT_STATUS 0x30
	112	#define SDHCI_INT_ENABLE 0x34
	113	#define SDHCI_SIGNAL_ENABLE 0x38
	114	#define SDHCI_INT_RESPONSE 0x00000001
	115	#define SDHCI_INT_DATA_END 0x00000002
	116	#define SDHCI_INT_DMA_END 0x00000008
	117	#define SDHCI_INT_SPACE_AVAIL 0x00000010
	118	#define SDHCI_INT_DATA_AVAIL 0x00000020
	119	#define SDHCI_INT_CARD_INSERT 0x00000040
	120	#define SDHCI_INT_CARD_REMOVE 0x00000080
	121	#define SDHCI_INT_CARD_INT 0x00000100
	122	#define SDHCI_INT_ERROR 0x00008000
	123	#define SDHCI_INT_TIMEOUT 0x00010000
	124	#define SDHCI_INT_CRC 0x00020000
	125	#define SDHCI_INT_END_BIT 0x00040000
	126	#define SDHCI_INT_INDEX 0x00080000
	127	#define SDHCI_INT_DATA_TIMEOUT 0x00100000
	128	#define SDHCI_INT_DATA_CRC 0x00200000
	129	#define SDHCI_INT_DATA_END_BIT 0x00400000
	130	#define SDHCI_INT_BUS_POWER 0x00800000
	131	#define SDHCI_INT_ACMD12ERR 0x01000000
	132	#define SDHCI_INT_ADMA_ERROR 0x02000000
	133
	134	#define SDHCI_INT_NORMAL_MASK 0x00007FFF
	135	#define SDHCI_INT_ERROR_MASK 0xFFFF8000
	136
	137	#define SDHCI_INT_CMD_MASK (SDHCI_INT_RESPONSE \| SDHCI_INT_TIMEOUT \| \
	138	SDHCI_INT_CRC \| SDHCI_INT_END_BIT \| SDHCI_INT_INDEX)
	139	#define SDHCI_INT_DATA_MASK (SDHCI_INT_DATA_END \| SDHCI_INT_DMA_END \| \
	140	SDHCI_INT_DATA_AVAIL \| SDHCI_INT_SPACE_AVAIL \| \
	141	SDHCI_INT_DATA_TIMEOUT \| SDHCI_INT_DATA_CRC \| \
	142	SDHCI_INT_DATA_END_BIT \| SDHCI_INT_ADMA_ERROR)
	143	#define SDHCI_INT_ALL_MASK ((unsigned int)-1)
144
145	#define SDHCI_ACMD12_ERR 0x3C
146
147	/* 3E-3F reserved */
148
149	#define SDHCI_CAPABILITIES 0x40
150	#define SDHCI_TIMEOUT_CLK_MASK 0x0000003F
151	#define SDHCI_TIMEOUT_CLK_SHIFT 0
152	#define SDHCI_TIMEOUT_CLK_UNIT 0x00000080
153	#define SDHCI_CLOCK_BASE_MASK 0x00003F00
154	#define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00
155	#define SDHCI_CLOCK_BASE_SHIFT 8
156	#define SDHCI_MAX_BLOCK_MASK 0x00030000
157	#define SDHCI_MAX_BLOCK_SHIFT 16
158	#define SDHCI_CAN_DO_8BIT 0x00040000
159	#define SDHCI_CAN_DO_ADMA2 0x00080000
160	#define SDHCI_CAN_DO_ADMA1 0x00100000
161	#define SDHCI_CAN_DO_HISPD 0x00200000
162	#define SDHCI_CAN_DO_SDMA 0x00400000
163	#define SDHCI_CAN_VDD_330 0x01000000
164	#define SDHCI_CAN_VDD_300 0x02000000
165	#define SDHCI_CAN_VDD_180 0x04000000
166	#define SDHCI_CAN_64BIT 0x10000000
167
168	#define SDHCI_CAPABILITIES_1 0x44
169
170	#define SDHCI_MAX_CURRENT 0x48
171
172	/* 4C-4F reserved for more max current */
173
174	#define SDHCI_SET_ACMD12_ERROR 0x50
175	#define SDHCI_SET_INT_ERROR 0x52
176
177	#define SDHCI_ADMA_ERROR 0x54
178
179	/* 55-57 reserved */
180
181	#define SDHCI_ADMA_ADDRESS 0x58
182
183	/* 60-FB reserved */
184
185	#define SDHCI_SLOT_INT_STATUS 0xFC
186
187	#define SDHCI_HOST_VERSION 0xFE
188	#define SDHCI_VENDOR_VER_MASK 0xFF00
189	#define SDHCI_VENDOR_VER_SHIFT 8
190	#define SDHCI_SPEC_VER_MASK 0x00FF
191	#define SDHCI_SPEC_VER_SHIFT 0
192	#define SDHCI_SPEC_100 0
193	#define SDHCI_SPEC_200 1
194	#define SDHCI_SPEC_300 2
195
113e5dfc JC	196	#define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK)
113e5dfc JC	197
af62a557 LW	198	/*
	199	* End of controller registers.
	200	*/
	201
	202	#define SDHCI_MAX_DIV_SPEC_200 256
	203	#define SDHCI_MAX_DIV_SPEC_300 2046
	204
	205	/*
	206	* quirks
	207	*/
	208	#define SDHCI_QUIRK_32BIT_DMA_ADDR (1 << 0)
5af9a569	209	#define SDHCI_QUIRK_REG32_RW (1 << 1)
3a638320	210	#define SDHCI_QUIRK_BROKEN_R1B (1 << 2)
236bfecf JC	211	#define SDHCI_QUIRK_NO_HISPD_BIT (1 << 3)
236bfecf JC	212	#define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)
470dcc75	213	#define SDHCI_QUIRK_NO_CD (1 << 5)
13243f2e	214	#define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6)
688c2d14	215	#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7)
113e5dfc	216	#define SDHCI_QUIRK_USE_WIDE8 (1 << 8)
af62a557	217
0d2f15f9 LW	218	/* to make gcc happy */
	219	struct sdhci_host;
	220
af62a557 LW	221	/*
	222	* Host SDMA buffer boundary. Valid values from 4K to 512K in powers of 2.
	223	*/
	224	#define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024)
	225	#define SDHCI_DEFAULT_BOUNDARY_ARG (7)
	226	struct sdhci_ops {
	227	#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
	228	u32 (read_l)(struct sdhci_host host, int reg);
	229	u16 (read_w)(struct sdhci_host host, int reg);
	230	u8 (read_b)(struct sdhci_host host, int reg);
	231	void (write_l)(struct sdhci_host host, u32 val, int reg);
	232	void (write_w)(struct sdhci_host host, u16 val, int reg);
	233	void (write_b)(struct sdhci_host host, u8 val, int reg);
	234	#endif
	235	};
	236
	237	struct sdhci_host {
cacd1d2f	238	const char *name;
af62a557 LW	239	void *ioaddr;
af62a557 LW	240	unsigned int quirks;
236bfecf	241	unsigned int host_caps;
af62a557 LW	242	unsigned int version;
af62a557 LW	243	unsigned int clock;
6cf1b17c	244	struct mmc *mmc;
af62a557	245	const struct sdhci_ops *ops;
b09ed6e4	246	int index;
236bfecf	247
3577fe8b	248	int bus_width;
0347960b SG	249	struct gpio_desc pwr_gpio; /* Power GPIO */
0347960b SG	250	struct gpio_desc cd_gpio; /* Card Detect GPIO */
3577fe8b	251
236bfecf	252	void (set_control_reg)(struct sdhci_host host);
b09ed6e4	253	void (*set_clock)(int dev_index, unsigned int div);
236bfecf	254	uint voltages;
93bfd616 PA	255
93bfd616 PA	256	struct mmc_config cfg;
af62a557 LW	257	};
	258
	259	#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
	260
	261	static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
	262	{
	263	if (unlikely(host->ops->write_l))
	264	host->ops->write_l(host, val, reg);
	265	else
	266	writel(val, host->ioaddr + reg);
	267	}
	268
	269	static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
	270	{
	271	if (unlikely(host->ops->write_w))
	272	host->ops->write_w(host, val, reg);
	273	else
	274	writew(val, host->ioaddr + reg);
	275	}
	276
	277	static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
	278	{
	279	if (unlikely(host->ops->write_b))
	280	host->ops->write_b(host, val, reg);
	281	else
	282	writeb(val, host->ioaddr + reg);
	283	}
	284
	285	static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
	286	{
	287	if (unlikely(host->ops->read_l))
	288	return host->ops->read_l(host, reg);
	289	else
	290	return readl(host->ioaddr + reg);
	291	}
	292
	293	static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
	294	{
	295	if (unlikely(host->ops->read_w))
	296	return host->ops->read_w(host, reg);
	297	else
	298	return readw(host->ioaddr + reg);
	299	}
	300
	301	static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
	302	{
	303	if (unlikely(host->ops->read_b))
	304	return host->ops->read_b(host, reg);
	305	else
	306	return readb(host->ioaddr + reg);
	307	}
	308
	309	#else
	310
	311	static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
	312	{
	313	writel(val, host->ioaddr + reg);
	314	}
	315
	316	static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
	317	{
	318	writew(val, host->ioaddr + reg);
	319	}
	320
321	static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
322	{
323	writeb(val, host->ioaddr + reg);
324	}
325	static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
326	{
327	return readl(host->ioaddr + reg);
328	}
329
330	static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
331	{
332	return readw(host->ioaddr + reg);
333	}
334
335	static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
336	{
337	return readb(host->ioaddr + reg);
338	}
339	#endif
340
ef1e4eda SG	341	#ifdef CONFIG_BLK
	342	/**
	343	* sdhci_setup_cfg() - Set up the configuration for DWMMC
	344	*
	345	* This is used to set up an SDHCI device when you are using CONFIG_BLK.
	346	*
	347	* This should be called from your MMC driver's probe() method once you have
	348	* the information required.
	349	*
	350	* Generally your driver will have a platform data structure which holds both
	351	* the configuration (struct mmc_config) and the MMC device info (struct mmc).
	352	* For example:
	353	*
	354	* struct msm_sdhc_plat {
	355	* struct mmc_config cfg;
	356	* struct mmc mmc;
	357	* };
	358	*
	359	* ...
	360	*
	361	* Inside U_BOOT_DRIVER():
	362	* .platdata_auto_alloc_size = sizeof(struct msm_sdhc_plat),
	363	*
	364	* To access platform data:
	365	* struct msm_sdhc_plat *plat = dev_get_platdata(dev);
	366	*
	367	* See msm_sdhci.c for an example.
	368	*
	369	* @cfg: Configuration structure to fill in (generally &plat->mmc)
	370	* @name: Device name (normally dev->name)
	371	* @buswidth: Bus width (in bits, such as 4 or 8)
	372	* @caps: Host capabilities (MMC_MODE_...)
	373	* @max_clk: Maximum supported clock speed in HZ (0 for default)
	374	* @min_clk: Minimum supported clock speed in HZ (0 for default)
	375	* @version: Host controller version (generally read from the
	376	* SDHCI_HOST_VERSION register)
	377	* @quirks: Quick flags (SDHCI_QUIRK_...)
	378	* @host_caps: Additional host capabilities (0 if none)
	379	*/
	380	int sdhci_setup_cfg(struct mmc_config cfg, const char name, int buswidth,
	381	uint caps, u32 max_clk, u32 min_clk, uint version,
	382	uint quirks, uint host_caps);
	383
	384	/**
	385	* sdhci_bind() - Set up a new MMC block device
	386	*
	387	* This is used to set up an SDHCI block device when you are using CONFIG_BLK.
	388	* It should be called from your driver's bind() method.
	389	*
	390	* See msm_sdhci.c for an example.
	391	*
	392	* @dev: Device to set up
	393	* @mmc: Pointer to mmc structure (normally &plat->mmc)
	394	* @cfg: Empty configuration structure (generally &plat->cfg). This is
	395	* normally all zeroes at this point. The only purpose of passing
	396	* this in is to set mmc->cfg to it.
	397	* @return 0 if OK, -ve if the block device could not be created
	398	*/
	399	int sdhci_bind(struct udevice dev, struct mmc mmc, struct mmc_config *cfg);
	400	#else
	401
	402	/**
	403	* add_sdhci() - Add a new SDHCI interface
	404	*
405	* This is used when you are not using CONFIG_BLK. Convert your driver over!
406	*
407	* @host: SDHCI host structure
408	* @max_clk: Maximum supported clock speed in HZ (0 for default)
409	* @min_clk: Minimum supported clock speed in HZ (0 for default)
410	* @return 0 if OK, -ve on error
411	*/
af62a557	412	int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk);
ef1e4eda SG	413	#endif /* !CONFIG_BLK */
	414
	415	#ifdef CONFIG_DM_MMC_OPS
	416	/* Export the operations to drivers */
	417	int sdhci_probe(struct udevice *dev);
	418	extern const struct dm_mmc_ops sdhci_ops;
	419	#else
	420	#endif
	421
af62a557	422	#endif /* __SDHCI_HW_H */