1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2009 SAMSUNG Electronics
4  * Minkyu Kang <mk7.kang@samsung.com>
5  */
6 
7 #ifndef __ASM_ARCH_MMC_H_
8 #define __ASM_ARCH_MMC_H_
9 
10 #define S5P_MMC_DEV_OFFSET	0x10000
11 
12 #define SDHCI_CONTROL2		0x80
13 #define SDHCI_CONTROL3		0x84
14 #define SDHCI_CONTROL4		0x8C
15 
16 #define SDHCI_CTRL2_ENSTAASYNCCLR	(1 << 31)
17 #define SDHCI_CTRL2_ENCMDCNFMSK		(1 << 30)
18 #define SDHCI_CTRL2_CDINVRXD3		(1 << 29)
19 #define SDHCI_CTRL2_SLCARDOUT		(1 << 28)
20 
21 #define SDHCI_CTRL2_FLTCLKSEL_MASK	(0xf << 24)
22 #define SDHCI_CTRL2_FLTCLKSEL_SHIFT	(24)
23 #define SDHCI_CTRL2_FLTCLKSEL(_x)	((_x) << 24)
24 
25 #define SDHCI_CTRL2_LVLDAT_MASK		(0xff << 16)
26 #define SDHCI_CTRL2_LVLDAT_SHIFT	(16)
27 #define SDHCI_CTRL2_LVLDAT(_x)		((_x) << 16)
28 
29 #define SDHCI_CTRL2_ENFBCLKTX		(1 << 15)
30 #define SDHCI_CTRL2_ENFBCLKRX		(1 << 14)
31 #define SDHCI_CTRL2_SDCDSEL		(1 << 13)
32 #define SDHCI_CTRL2_SDSIGPC		(1 << 12)
33 #define SDHCI_CTRL2_ENBUSYCHKTXSTART	(1 << 11)
34 
35 #define SDHCI_CTRL2_DFCNT_MASK(_x)	((_x) << 9)
36 #define SDHCI_CTRL2_DFCNT_SHIFT		(9)
37 
38 #define SDHCI_CTRL2_ENCLKOUTHOLD	(1 << 8)
39 #define SDHCI_CTRL2_RWAITMODE		(1 << 7)
40 #define SDHCI_CTRL2_DISBUFRD		(1 << 6)
41 #define SDHCI_CTRL2_SELBASECLK_MASK(_x)	((_x) << 4)
42 #define SDHCI_CTRL2_SELBASECLK_SHIFT	(4)
43 #define SDHCI_CTRL2_PWRSYNC		(1 << 3)
44 #define SDHCI_CTRL2_ENCLKOUTMSKCON	(1 << 1)
45 #define SDHCI_CTRL2_HWINITFIN		(1 << 0)
46 
47 #define SDHCI_CTRL3_FCSEL3		(1 << 31)
48 #define SDHCI_CTRL3_FCSEL2		(1 << 23)
49 #define SDHCI_CTRL3_FCSEL1		(1 << 15)
50 #define SDHCI_CTRL3_FCSEL0		(1 << 7)
51 
52 #define SDHCI_CTRL4_DRIVE_MASK(_x)	((_x) << 16)
53 #define SDHCI_CTRL4_DRIVE_SHIFT		(16)
54 
55 #define SDHCI_MAX_HOSTS 4
56 
57 int s5p_sdhci_init(u32 regbase, int index, int bus_width);
58 
59 static inline int s5p_mmc_init(int index, int bus_width)
60 {
61 	unsigned int base = samsung_get_base_mmc() +
62 				(S5P_MMC_DEV_OFFSET * index);
63 
64 	return s5p_sdhci_init(base, index, bus_width);
65 }
66 
67 int exynos_mmc_init(const void *blob);
68 
69 #endif
70