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ARM: uniphier: rework DRAM size handling in UMC init code
[u-boot] / arch / arm / mach-uniphier / dram / umc-regs.h
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_INITSET             0x00000014
60 #define UMC_INITSTAT            0x00000018
61 #define UMC_SPCCTLA             0x00000030
62 #define UMC_SPCCTLB             0x00000034
63 #define UMC_SPCSETA             0x00000038
64 #define UMC_SPCSETB             0x0000003C
65 #define   UMC_SPCSETB_AREFMD_MASK       (0x3)   /* Auto Refresh Mode */
66 #define   UMC_SPCSETB_AREFMD_ARB        (0x0)   /* control by arbitor */
67 #define   UMC_SPCSETB_AREFMD_CONT       (0x1)   /* control by DRAMCONT */
68 #define   UMC_SPCSETB_AREFMD_REG        (0x2)   /* control by register */
69 #define UMC_SPCSETC             0x00000040
70 #define UMC_SPCSETD             0x00000044
71 #define UMC_SPCSTATA            0x00000050
72 #define UMC_SPCSTATB            0x00000054
73 #define UMC_SPCSTATC            0x00000058
74 #define UMC_ACSSETA             0x00000060
75 #define UMC_FLOWCTLA            0x00000400
76 #define UMC_FLOWCTLB            0x00000404
77 #define UMC_FLOWCTLC            0x00000408
78 #define UMC_FLOWCTLG            0x00000508
79 #define UMC_FLOWCTLOB0          0x00000520
80 #define UMC_FLOWCTLOB1          0x00000524
81 #define UMC_RDATACTL_D0         0x00000600
82 #define   UMC_RDATACTL_RADLTY_SHIFT     4
83 #define   UMC_RDATACTL_RADLTY_MASK      (0xf << (UMC_RDATACTL_RADLTY_SHIFT))
84 #define   UMC_RDATACTL_RAD2LTY_SHIFT    8
85 #define   UMC_RDATACTL_RAD2LTY_MASK     (0xf << (UMC_RDATACTL_RAD2LTY_SHIFT))
86 #define UMC_WDATACTL_D0         0x00000604
87 #define UMC_RDATACTL_D1         0x00000608
88 #define UMC_WDATACTL_D1         0x0000060C
89 #define UMC_DATASET             0x00000610
90 #define UMC_RESPCTL             0x00000624
91 #define UMC_DCCGCTL             0x00000720
92 #define UMC_DICGCTLA            0x00000724
93 #define UMC_DICGCTLB            0x00000728
94 #define UMC_ERRMASKA            0x00000958
95 #define UMC_ERRMASKB            0x0000095c
96 #define UMC_BSICMAPSET          0x00000988
97 #define UMC_DIOCTLA             0x00000C00
98 #define   UMC_DIOCTLA_CTL_NRST          BIT(8)  /* ctl_rst_n */
99 #define   UMC_DIOCTLA_CFG_NRST          BIT(0)  /* cfg_rst_n */
100 #define UMC_DFICUPDCTLA         0x00000C20
101
102 /* UM registers */
103 #define UMC_MBUS0               0x00080004
104 #define UMC_MBUS1               0x00081004
105 #define UMC_MBUS2               0x00082004
106 #define UMC_MBUS3               0x00083004
107
108 /* UD registers */
109 #define UMC_BITPERPIXELMODE_D0  0x010
110 #define UMC_PAIR1DOFF_D0        0x054
111
112 #ifndef __ASSEMBLY__
113
114 #include <linux/types.h>
115
116 static inline void umc_dram_init_start(void __iomem *dramcont)
117 {
118         writel(0x00000002, dramcont + UMC_INITSET);
119 }
120
121 static inline void umc_dram_init_poll(void __iomem *dramcont)
122 {
123         while ((readl(dramcont + UMC_INITSTAT) & 0x00000002))
124                 ;
125 }
126
127 #endif
128
129 #endif