1 /*
2  * (C) Copyright 2009 SAMSUNG Electronics
3  * Minkyu Kang <mk7.kang@samsung.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __ASM_ARCH_MMC_H_
9 #define __ASM_ARCH_MMC_H_
10 
11 #define S5P_MMC_DEV_OFFSET	0x100000
12 
13 #define SDHCI_CONTROL2		0x80
14 #define SDHCI_CONTROL3		0x84
15 #define SDHCI_CONTROL4		0x8C
16 
17 #define SDHCI_CTRL2_ENSTAASYNCCLR	(1 << 31)
18 #define SDHCI_CTRL2_ENCMDCNFMSK		(1 << 30)
19 #define SDHCI_CTRL2_CDINVRXD3		(1 << 29)
20 #define SDHCI_CTRL2_SLCARDOUT		(1 << 28)
21 
22 #define SDHCI_CTRL2_FLTCLKSEL_MASK	(0xf << 24)
23 #define SDHCI_CTRL2_FLTCLKSEL_SHIFT	(24)
24 #define SDHCI_CTRL2_FLTCLKSEL(_x)	((_x) << 24)
25 
26 #define SDHCI_CTRL2_LVLDAT_MASK		(0xff << 16)
27 #define SDHCI_CTRL2_LVLDAT_SHIFT	(16)
28 #define SDHCI_CTRL2_LVLDAT(_x)		((_x) << 16)
29 
30 #define SDHCI_CTRL2_ENFBCLKTX		(1 << 15)
31 #define SDHCI_CTRL2_ENFBCLKRX		(1 << 14)
32 #define SDHCI_CTRL2_SDCDSEL		(1 << 13)
33 #define SDHCI_CTRL2_SDSIGPC		(1 << 12)
34 #define SDHCI_CTRL2_ENBUSYCHKTXSTART	(1 << 11)
35 
36 #define SDHCI_CTRL2_DFCNT_MASK(_x)	((_x) << 9)
37 #define SDHCI_CTRL2_DFCNT_SHIFT		(9)
38 
39 #define SDHCI_CTRL2_ENCLKOUTHOLD	(1 << 8)
40 #define SDHCI_CTRL2_RWAITMODE		(1 << 7)
41 #define SDHCI_CTRL2_DISBUFRD		(1 << 6)
42 #define SDHCI_CTRL2_SELBASECLK_MASK(_x)	((_x) << 4)
43 #define SDHCI_CTRL2_SELBASECLK_SHIFT	(4)
44 #define SDHCI_CTRL2_PWRSYNC		(1 << 3)
45 #define SDHCI_CTRL2_ENCLKOUTMSKCON	(1 << 1)
46 #define SDHCI_CTRL2_HWINITFIN		(1 << 0)
47 
48 #define SDHCI_CTRL3_FCSEL3		(1 << 31)
49 #define SDHCI_CTRL3_FCSEL2		(1 << 23)
50 #define SDHCI_CTRL3_FCSEL1		(1 << 15)
51 #define SDHCI_CTRL3_FCSEL0		(1 << 7)
52 
53 #define SDHCI_CTRL4_DRIVE_MASK(_x)	((_x) << 16)
54 #define SDHCI_CTRL4_DRIVE_SHIFT		(16)
55 
56 int s5p_sdhci_init(u32 regbase, int index, int bus_width);
57 
58 static inline int s5p_mmc_init(int index, int bus_width)
59 {
60 	unsigned int base = samsung_get_base_mmc() +
61 				 (S5P_MMC_DEV_OFFSET * index);
62 
63 	return s5p_sdhci_init(base, index, bus_width);
64 }
65 #endif
66