These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / include / linux / mfd / syscon / atmel-mc.h
1 /*
2  * Copyright (C) 2005 Ivan Kokshaysky
3  * Copyright (C) SAN People
4  *
5  * Memory Controllers (MC, EBI, SMC, SDRAMC, BFC) - System peripherals
6  * registers.
7  * Based on AT91RM9200 datasheet revision E.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  */
14
15 #ifndef _LINUX_MFD_SYSCON_ATMEL_MC_H_
16 #define _LINUX_MFD_SYSCON_ATMEL_MC_H_
17
18 /* Memory Controller */
19 #define AT91_MC_RCR                     0x00
20 #define AT91_MC_RCB                     BIT(0)
21
22 #define AT91_MC_ASR                     0x04
23 #define AT91_MC_UNADD                   BIT(0)
24 #define AT91_MC_MISADD                  BIT(1)
25 #define AT91_MC_ABTSZ                   GENMASK(9, 8)
26 #define AT91_MC_ABTSZ_BYTE              (0 << 8)
27 #define AT91_MC_ABTSZ_HALFWORD          (1 << 8)
28 #define AT91_MC_ABTSZ_WORD              (2 << 8)
29 #define AT91_MC_ABTTYP                  GENMASK(11, 10)
30 #define AT91_MC_ABTTYP_DATAREAD         (0 << 10)
31 #define AT91_MC_ABTTYP_DATAWRITE        (1 << 10)
32 #define AT91_MC_ABTTYP_FETCH            (2 << 10)
33 #define AT91_MC_MST(n)                  BIT(16 + (n))
34 #define AT91_MC_SVMST(n)                BIT(24 + (n))
35
36 #define AT91_MC_AASR                    0x08
37
38 #define AT91_MC_MPR                     0x0c
39 #define AT91_MPR_MSTP(n)                GENMASK(2 + ((x) * 4), ((x) * 4))
40
41 /* External Bus Interface (EBI) registers */
42 #define AT91_MC_EBI_CSA                 0x60
43 #define AT91_MC_EBI_CS(n)               BIT(x)
44 #define AT91_MC_EBI_NUM_CS              8
45
46 #define AT91_MC_EBI_CFGR                0x64
47 #define AT91_MC_EBI_DBPUC               BIT(0)
48
49 /* Static Memory Controller (SMC) registers */
50 #define AT91_MC_SMC_CSR(n)              (0x70 + ((n) * 4))
51 #define AT91_MC_SMC_NWS                 GENMASK(6, 0)
52 #define AT91_MC_SMC_NWS_(x)             ((x) << 0)
53 #define AT91_MC_SMC_WSEN                BIT(7)
54 #define AT91_MC_SMC_TDF                 GENMASK(11, 8)
55 #define AT91_MC_SMC_TDF_(x)             ((x) << 8)
56 #define AT91_MC_SMC_TDF_MAX             0xf
57 #define AT91_MC_SMC_BAT                 BIT(12)
58 #define AT91_MC_SMC_DBW                 GENMASK(14, 13)
59 #define AT91_MC_SMC_DBW_16              (1 << 13)
60 #define AT91_MC_SMC_DBW_8               (2 << 13)
61 #define AT91_MC_SMC_DPR                 BIT(15)
62 #define AT91_MC_SMC_ACSS                GENMASK(17, 16)
63 #define AT91_MC_SMC_ACSS_(x)            ((x) << 16)
64 #define AT91_MC_SMC_ACSS_MAX            3
65 #define AT91_MC_SMC_RWSETUP             GENMASK(26, 24)
66 #define AT91_MC_SMC_RWSETUP_(x)         ((x) << 24)
67 #define AT91_MC_SMC_RWHOLD              GENMASK(30, 28)
68 #define AT91_MC_SMC_RWHOLD_(x)          ((x) << 28)
69 #define AT91_MC_SMC_RWHOLDSETUP_MAX     7
70
71 /* SDRAM Controller registers */
72 #define AT91_MC_SDRAMC_MR               0x90
73 #define AT91_MC_SDRAMC_MODE             GENMASK(3, 0)
74 #define AT91_MC_SDRAMC_MODE_NORMAL      (0 << 0)
75 #define AT91_MC_SDRAMC_MODE_NOP         (1 << 0)
76 #define AT91_MC_SDRAMC_MODE_PRECHARGE   (2 << 0)
77 #define AT91_MC_SDRAMC_MODE_LMR         (3 << 0)
78 #define AT91_MC_SDRAMC_MODE_REFRESH     (4 << 0)
79 #define AT91_MC_SDRAMC_DBW_16           BIT(4)
80
81 #define AT91_MC_SDRAMC_TR               0x94
82 #define AT91_MC_SDRAMC_COUNT            GENMASK(11, 0)
83
84 #define AT91_MC_SDRAMC_CR               0x98
85 #define AT91_MC_SDRAMC_NC               GENMASK(1, 0)
86 #define AT91_MC_SDRAMC_NC_8             (0 << 0)
87 #define AT91_MC_SDRAMC_NC_9             (1 << 0)
88 #define AT91_MC_SDRAMC_NC_10            (2 << 0)
89 #define AT91_MC_SDRAMC_NC_11            (3 << 0)
90 #define AT91_MC_SDRAMC_NR               GENMASK(3, 2)
91 #define AT91_MC_SDRAMC_NR_11            (0 << 2)
92 #define AT91_MC_SDRAMC_NR_12            (1 << 2)
93 #define AT91_MC_SDRAMC_NR_13            (2 << 2)
94 #define AT91_MC_SDRAMC_NB               BIT(4)
95 #define AT91_MC_SDRAMC_NB_2             (0 << 4)
96 #define AT91_MC_SDRAMC_NB_4             (1 << 4)
97 #define AT91_MC_SDRAMC_CAS              GENMASK(6, 5)
98 #define AT91_MC_SDRAMC_CAS_2            (2 << 5)
99 #define AT91_MC_SDRAMC_TWR              GENMASK(10,  7)
100 #define AT91_MC_SDRAMC_TRC              GENMASK(14, 11)
101 #define AT91_MC_SDRAMC_TRP              GENMASK(18, 15)
102 #define AT91_MC_SDRAMC_TRCD             GENMASK(22, 19)
103 #define AT91_MC_SDRAMC_TRAS             GENMASK(26, 23)
104 #define AT91_MC_SDRAMC_TXSR             GENMASK(30, 27)
105
106 #define AT91_MC_SDRAMC_SRR              0x9c
107 #define AT91_MC_SDRAMC_SRCB             BIT(0)
108
109 #define AT91_MC_SDRAMC_LPR              0xa0
110 #define AT91_MC_SDRAMC_LPCB             BIT(0)
111
112 #define AT91_MC_SDRAMC_IER              0xa4
113 #define AT91_MC_SDRAMC_IDR              0xa8
114 #define AT91_MC_SDRAMC_IMR              0xac
115 #define AT91_MC_SDRAMC_ISR              0xb0
116 #define AT91_MC_SDRAMC_RES              BIT(0)
117
118 /* Burst Flash Controller register */
119 #define AT91_MC_BFC_MR                  0xc0
120 #define AT91_MC_BFC_BFCOM               GENMASK(1, 0)
121 #define AT91_MC_BFC_BFCOM_DISABLED      (0 << 0)
122 #define AT91_MC_BFC_BFCOM_ASYNC         (1 << 0)
123 #define AT91_MC_BFC_BFCOM_BURST         (2 << 0)
124 #define AT91_MC_BFC_BFCC                GENMASK(3, 2)
125 #define AT91_MC_BFC_BFCC_MCK            (1 << 2)
126 #define AT91_MC_BFC_BFCC_DIV2           (2 << 2)
127 #define AT91_MC_BFC_BFCC_DIV4           (3 << 2)
128 #define AT91_MC_BFC_AVL                 GENMASK(7,  4)
129 #define AT91_MC_BFC_PAGES               GENMASK(10, 8)
130 #define AT91_MC_BFC_PAGES_NO_PAGE       (0 << 8)
131 #define AT91_MC_BFC_PAGES_16            (1 << 8)
132 #define AT91_MC_BFC_PAGES_32            (2 << 8)
133 #define AT91_MC_BFC_PAGES_64            (3 << 8)
134 #define AT91_MC_BFC_PAGES_128           (4 << 8)
135 #define AT91_MC_BFC_PAGES_256           (5 << 8)
136 #define AT91_MC_BFC_PAGES_512           (6 << 8)
137 #define AT91_MC_BFC_PAGES_1024          (7 << 8)
138 #define AT91_MC_BFC_OEL                 GENMASK(13, 12)
139 #define AT91_MC_BFC_BAAEN               BIT(16)
140 #define AT91_MC_BFC_BFOEH               BIT(17)
141 #define AT91_MC_BFC_MUXEN               BIT(18)
142 #define AT91_MC_BFC_RDYEN               BIT(19)
143
144 #endif /* _LINUX_MFD_SYSCON_ATMEL_MC_H_ */