/*
 * (C) Copyright 2009 SAMSUNG Electronics
 * Minkyu Kang <mk7.kang@samsung.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __ASM_ARCH_MMC_H_
#define __ASM_ARCH_MMC_H_

#define S5P_MMC_DEV_OFFSET	0x10000

#define SDHCI_CONTROL2		0x80
#define SDHCI_CONTROL3		0x84
#define SDHCI_CONTROL4		0x8C

#define SDHCI_CTRL2_ENSTAASYNCCLR	(1 << 31)
#define SDHCI_CTRL2_ENCMDCNFMSK		(1 << 30)
#define SDHCI_CTRL2_CDINVRXD3		(1 << 29)
#define SDHCI_CTRL2_SLCARDOUT		(1 << 28)

#define SDHCI_CTRL2_FLTCLKSEL_MASK	(0xf << 24)
#define SDHCI_CTRL2_FLTCLKSEL_SHIFT	(24)
#define SDHCI_CTRL2_FLTCLKSEL(_x)	((_x) << 24)

#define SDHCI_CTRL2_LVLDAT_MASK		(0xff << 16)
#define SDHCI_CTRL2_LVLDAT_SHIFT	(16)
#define SDHCI_CTRL2_LVLDAT(_x)		((_x) << 16)

#define SDHCI_CTRL2_ENFBCLKTX		(1 << 15)
#define SDHCI_CTRL2_ENFBCLKRX		(1 << 14)
#define SDHCI_CTRL2_SDCDSEL		(1 << 13)
#define SDHCI_CTRL2_SDSIGPC		(1 << 12)
#define SDHCI_CTRL2_ENBUSYCHKTXSTART	(1 << 11)

#define SDHCI_CTRL2_DFCNT_MASK(_x)	((_x) << 9)
#define SDHCI_CTRL2_DFCNT_SHIFT		(9)

#define SDHCI_CTRL2_ENCLKOUTHOLD	(1 << 8)
#define SDHCI_CTRL2_RWAITMODE		(1 << 7)
#define SDHCI_CTRL2_DISBUFRD		(1 << 6)
#define SDHCI_CTRL2_SELBASECLK_MASK(_x)	((_x) << 4)
#define SDHCI_CTRL2_SELBASECLK_SHIFT	(4)
#define SDHCI_CTRL2_PWRSYNC		(1 << 3)
#define SDHCI_CTRL2_ENCLKOUTMSKCON	(1 << 1)
#define SDHCI_CTRL2_HWINITFIN		(1 << 0)

#define SDHCI_CTRL3_FCSEL3		(1 << 31)
#define SDHCI_CTRL3_FCSEL2		(1 << 23)
#define SDHCI_CTRL3_FCSEL1		(1 << 15)
#define SDHCI_CTRL3_FCSEL0		(1 << 7)

#define SDHCI_CTRL4_DRIVE_MASK(_x)	((_x) << 16)
#define SDHCI_CTRL4_DRIVE_SHIFT		(16)

#define SDHCI_MAX_HOSTS 4

int s5p_sdhci_init(u32 regbase, int index, int bus_width);

static inline int s5p_mmc_init(int index, int bus_width)
{
	unsigned int base = samsung_get_base_mmc() +
				(S5P_MMC_DEV_OFFSET * index);

	return s5p_sdhci_init(base, index, bus_width);
}

int exynos_mmc_init(const void *blob);

#endif
