1 /*
2  * UniPhier UMC (Universal Memory Controller) registers
3  *
4  * Copyright (C) 2011-2014 Panasonic Corporation
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef ARCH_UMC_REGS_H
10 #define ARCH_UMC_REGS_H
11 
12 #define UMC_BASE		0x5b800000
13 
14 /* SSIF registers */
15 #define UMC_SSIF_BASE		UMC_BASE
16 
17 #define UMC_CPURST		0x00000700
18 #define UMC_IDSRST		0x0000070C
19 #define UMC_IXMRST		0x00000714
20 #define UMC_HDMRST		0x00000718
21 #define UMC_MDMRST		0x0000071C
22 #define UMC_HDDRST		0x00000720
23 #define UMC_MDDRST		0x00000724
24 #define UMC_SIORST		0x00000728
25 #define UMC_GIORST		0x0000072C
26 #define UMC_HD2RST		0x00000734
27 #define UMC_VIORST		0x0000073C
28 #define UMC_FRCRST		0x00000748 /* LD4/sLD8 */
29 #define UMC_DVCRST		0x00000748 /* Pro4 */
30 #define UMC_RGLRST		0x00000750
31 #define UMC_VPERST		0x00000758
32 #define UMC_AIORST		0x00000764
33 #define UMC_DMDRST		0x00000770
34 
35 #define UMC_HDMCHSEL		0x00000898
36 #define UMC_MDMCHSEL		0x0000089C
37 #define UMC_DVCCHSEL		0x000008C8
38 #define UMC_DMDCHSEL		0x000008F0
39 
40 #define UMC_CLKEN_SSIF_FETCH	0x0000C060
41 #define UMC_CLKEN_SSIF_COMQUE0	0x0000C064
42 #define UMC_CLKEN_SSIF_COMWC0	0x0000C068
43 #define UMC_CLKEN_SSIF_COMRC0	0x0000C06C
44 #define UMC_CLKEN_SSIF_COMQUE1	0x0000C070
45 #define UMC_CLKEN_SSIF_COMWC1	0x0000C074
46 #define UMC_CLKEN_SSIF_COMRC1	0x0000C078
47 #define UMC_CLKEN_SSIF_WC	0x0000C07C
48 #define UMC_CLKEN_SSIF_RC	0x0000C080
49 #define UMC_CLKEN_SSIF_DST	0x0000C084
50 
51 /* CA registers */
52 #define UMC_CA_BASE(ch)		(UMC_BASE + 0x00001000 + 0x00001000 * (ch))
53 
54 /* DRAM controller registers */
55 #define UMC_DRAMCONT_BASE(ch)	(UMC_BASE + 0x00400000 + 0x00200000 * (ch))
56 
57 #define UMC_CMDCTLA		0x00000000
58 #define UMC_CMDCTLB		0x00000004
59 #define UMC_INITCTLA		0x00000008
60 #define UMC_INITCTLB		0x0000000C
61 #define UMC_INITCTLC		0x00000010
62 #define UMC_INITSET		0x00000014
63 #define UMC_INITSTAT		0x00000018
64 #define UMC_DRMMR0		0x0000001C
65 #define UMC_DRMMR1		0x00000020
66 #define UMC_DRMMR2		0x00000024
67 #define UMC_DRMMR3		0x00000028
68 #define UMC_SPCCTLA		0x00000030
69 #define UMC_SPCCTLB		0x00000034
70 #define UMC_SPCSETA		0x00000038
71 #define UMC_SPCSETB		0x0000003C
72 #define UMC_SPCSETC		0x00000040
73 #define UMC_SPCSETD		0x00000044
74 #define UMC_SPCSTATA		0x00000050
75 #define UMC_SPCSTATB		0x00000054
76 #define UMC_SPCSTATC		0x00000058
77 #define UMC_ACSSETA		0x00000060
78 #define UMC_FLOWCTLA		0x00000400
79 #define UMC_FLOWCTLB		0x00000404
80 #define UMC_FLOWCTLC		0x00000408
81 #define UMC_FLOWCTLG		0x00000508
82 #define UMC_RDATACTL_D0		0x00000600
83 #define UMC_WDATACTL_D0		0x00000604
84 #define UMC_RDATACTL_D1		0x00000608
85 #define UMC_WDATACTL_D1		0x0000060C
86 #define UMC_DATASET		0x00000610
87 #define UMC_DCCGCTL		0x00000720
88 #define UMC_DICGCTLA		0x00000724
89 #define UMC_DICGCTLB		0x00000728
90 #define UMC_DIOCTLA		0x00000C00
91 #define UMC_DFICUPDCTLA		0x00000C20
92 
93 #ifndef __ASSEMBLY__
94 
95 #include <linux/types.h>
96 
97 static inline void umc_polling(u32 address, u32 expval, u32 mask)
98 {
99 	u32 nmask = ~mask;
100 	u32 data;
101 	do {
102 		data = readl(address) & nmask;
103 	} while (data != expval);
104 }
105 
106 static inline void umc_dram_init_start(void __iomem *dramcont)
107 {
108 	writel(0x00000002, dramcont + UMC_INITSET);
109 }
110 
111 static inline void umc_dram_init_poll(void __iomem *dramcont)
112 {
113 	while ((readl(dramcont + UMC_INITSTAT) & 0x00000002))
114 		;
115 }
116 
117 #endif
118 
119 #endif
120