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_SPCSETB_AREFMD_MASK	(0x3)	/* Auto Refresh Mode */
73 #define   UMC_SPCSETB_AREFMD_ARB	(0x0)	/* control by arbitor */
74 #define   UMC_SPCSETB_AREFMD_CONT	(0x1)	/* control by DRAMCONT */
75 #define   UMC_SPCSETB_AREFMD_REG	(0x2)	/* control by register */
76 #define UMC_SPCSETC		0x00000040
77 #define UMC_SPCSETD		0x00000044
78 #define UMC_SPCSTATA		0x00000050
79 #define UMC_SPCSTATB		0x00000054
80 #define UMC_SPCSTATC		0x00000058
81 #define UMC_ACSSETA		0x00000060
82 #define UMC_FLOWCTLA		0x00000400
83 #define UMC_FLOWCTLB		0x00000404
84 #define UMC_FLOWCTLC		0x00000408
85 #define UMC_FLOWCTLG		0x00000508
86 #define UMC_FLOWCTLOB0		0x00000520
87 #define UMC_FLOWCTLOB1		0x00000524
88 #define UMC_RDATACTL_D0		0x00000600
89 #define   UMC_RDATACTL_RADLTY_SHIFT	4
90 #define   UMC_RDATACTL_RADLTY_MASK	(0xf << (UMC_RDATACTL_RADLTY_SHIFT))
91 #define   UMC_RDATACTL_RAD2LTY_SHIFT	8
92 #define   UMC_RDATACTL_RAD2LTY_MASK	(0xf << (UMC_RDATACTL_RAD2LTY_SHIFT))
93 #define UMC_WDATACTL_D0		0x00000604
94 #define UMC_RDATACTL_D1		0x00000608
95 #define UMC_WDATACTL_D1		0x0000060C
96 #define UMC_DATASET		0x00000610
97 #define UMC_RESPCTL		0x00000624
98 #define UMC_DCCGCTL		0x00000720
99 #define UMC_DICGCTLA		0x00000724
100 #define UMC_DICGCTLB		0x00000728
101 #define UMC_ERRMASKA		0x00000958
102 #define UMC_ERRMASKB		0x0000095c
103 #define UMC_BSICMAPSET		0x00000988
104 #define UMC_DIOCTLA		0x00000C00
105 #define   UMC_DIOCTLA_CTL_NRST		BIT(8)	/* ctl_rst_n */
106 #define   UMC_DIOCTLA_CFG_NRST		BIT(0)	/* cfg_rst_n */
107 #define UMC_DFICUPDCTLA		0x00000C20
108 
109 /* UM registers */
110 #define UMC_MBUS0		0x00080004
111 #define UMC_MBUS1		0x00081004
112 #define UMC_MBUS2		0x00082004
113 #define UMC_MBUS3		0x00083004
114 
115 /* UD registers */
116 #define UMC_BITPERPIXELMODE_D0	0x010
117 #define UMC_PAIR1DOFF_D0	0x054
118 
119 #ifndef __ASSEMBLY__
120 
121 #include <linux/types.h>
122 
123 static inline void umc_polling(u32 address, u32 expval, u32 mask)
124 {
125 	u32 nmask = ~mask;
126 	u32 data;
127 	do {
128 		data = readl(address) & nmask;
129 	} while (data != expval);
130 }
131 
132 static inline void umc_dram_init_start(void __iomem *dramcont)
133 {
134 	writel(0x00000002, dramcont + UMC_INITSET);
135 }
136 
137 static inline void umc_dram_init_poll(void __iomem *dramcont)
138 {
139 	while ((readl(dramcont + UMC_INITSTAT) & 0x00000002))
140 		;
141 }
142 
143 #endif
144 
145 #endif
146