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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-ns9xxx/include/mach/regs-mem.h
3 *
4 * Copyright (C) 2006 by Digi International Inc.
5 * All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11#ifndef __ASM_ARCH_REGSMEM_H
12#define __ASM_ARCH_REGSMEM_H
13
14#include <mach/hardware.h>
15
16/* Memory Module */
17
18/* Control register */
19#define MEM_CTRL __REG(0xa0700000)
20
21/* Status register */
22#define MEM_STAT __REG(0xa0700004)
23
24/* Configuration register */
25#define MEM_CONF __REG(0xa0700008)
26
27/* Dynamic Memory Control register */
28#define MEM_DMCTRL __REG(0xa0700020)
29
30/* Dynamic Memory Refresh Timer */
31#define MEM_DMRT __REG(0xa0700024)
32
33/* Dynamic Memory Read Configuration register */
34#define MEM_DMRC __REG(0xa0700028)
35
36/* Dynamic Memory Precharge Command Period (tRP) */
37#define MEM_DMPCP __REG(0xa0700030)
38
39/* Dynamic Memory Active to Precharge Command Period (tRAS) */
40#define MEM_DMAPCP __REG(0xa0700034)
41
42/* Dynamic Memory Self-Refresh Exit Time (tSREX) */
43#define MEM_DMSRET __REG(0xa0700038)
44
45/* Dynamic Memory Last Data Out to Active Time (tAPR) */
46#define MEM_DMLDOAT __REG(0xa070003c)
47
48/* Dynamic Memory Data-in to Active Command Time (tDAL or TAPW) */
49#define MEM_DMDIACT __REG(0xa0700040)
50
51/* Dynamic Memory Write Recovery Time (tWR, tDPL, tRWL, tRDL) */
52#define MEM_DMWRT __REG(0xa0700044)
53
54/* Dynamic Memory Active to Active Command Period (tRC) */
55#define MEM_DMAACP __REG(0xa0700048)
56
57/* Dynamic Memory Auto Refresh Period, and Auto Refresh to Active Command Period (tRFC) */
58#define MEM_DMARP __REG(0xa070004c)
59
60/* Dynamic Memory Exit Self-Refresh to Active Command (tXSR) */
61#define MEM_DMESRAC __REG(0xa0700050)
62
63/* Dynamic Memory Active Bank A to Active B Time (tRRD) */
64#define MEM_DMABAABT __REG(0xa0700054)
65
66/* Dynamic Memory Load Mode register to Active Command Time (tMRD) */
67#define MEM_DMLMACT __REG(0xa0700058)
68
69/* Static Memory Extended Wait */
70#define MEM_SMEW __REG(0xa0700080)
71
72/* Dynamic Memory Configuration Register x */
73#define MEM_DMCONF(x) __REG2(0xa0700100, (x) << 3)
74
75/* Dynamic Memory RAS and CAS Delay x */
76#define MEM_DMRCD(x) __REG2(0xa0700104, (x) << 3)
77
78/* Static Memory Configuration Register x */
79#define MEM_SMC(x) __REG2(0xa0700200, (x) << 3)
80
81/* Static Memory Configuration Register x: Write protect */
82#define MEM_SMC_PSMC __REGBIT(20)
83#define MEM_SMC_PSMC_OFF __REGVAL(MEM_SMC_PSMC, 0)
84#define MEM_SMC_PSMC_ON __REGVAL(MEM_SMC_PSMC, 1)
85
86/* Static Memory Configuration Register x: Buffer enable */
87#define MEM_SMC_BSMC __REGBIT(19)
88#define MEM_SMC_BSMC_OFF __REGVAL(MEM_SMC_BSMC, 0)
89#define MEM_SMC_BSMC_ON __REGVAL(MEM_SMC_BSMC, 1)
90
91/* Static Memory Configuration Register x: Extended Wait */
92#define MEM_SMC_EW __REGBIT(8)
93#define MEM_SMC_EW_OFF __REGVAL(MEM_SMC_EW, 0)
94#define MEM_SMC_EW_ON __REGVAL(MEM_SMC_EW, 1)
95
96/* Static Memory Configuration Register x: Byte lane state */
97#define MEM_SMC_PB __REGBIT(7)
98#define MEM_SMC_PB_0 __REGVAL(MEM_SMC_PB, 0)
99#define MEM_SMC_PB_1 __REGVAL(MEM_SMC_PB, 1)
100
101/* Static Memory Configuration Register x: Chip select polarity */
102#define MEM_SMC_PC __REGBIT(6)
103#define MEM_SMC_PC_AL __REGVAL(MEM_SMC_PC, 0)
104#define MEM_SMC_PC_AH __REGVAL(MEM_SMC_PC, 1)
105
106/* static memory configuration register x: page mode*/
107#define MEM_SMC_PM __REGBIT(3)
108#define MEM_SMC_PM_DIS __REGVAL(MEM_SMC_PM, 0)
109#define MEM_SMC_PM_ASYNC __REGVAL(MEM_SMC_PM, 1)
110
111/* static memory configuration register x: Memory width */
112#define MEM_SMC_MW __REGBITS(1, 0)
113#define MEM_SMC_MW_8 __REGVAL(MEM_SMC_MW, 0)
114#define MEM_SMC_MW_16 __REGVAL(MEM_SMC_MW, 1)
115#define MEM_SMC_MW_32 __REGVAL(MEM_SMC_MW, 2)
116
117/* Static Memory Write Enable Delay x */
118#define MEM_SMWED(x) __REG2(0xa0700204, (x) << 3)
119
120/* Static Memory Output Enable Delay x */
121#define MEM_SMOED(x) __REG2(0xa0700208, (x) << 3)
122
123/* Static Memory Read Delay x */
124#define MEM_SMRD(x) __REG2(0xa070020c, (x) << 3)
125
126/* Static Memory Page Mode Read Delay 0 */
127#define MEM_SMPMRD(x) __REG2(0xa0700210, (x) << 3)
128
129/* Static Memory Write Delay */
130#define MEM_SMWD(x) __REG2(0xa0700214, (x) << 3)
131
132/* Static Memory Turn Round Delay x */
133#define MEM_SWT(x) __REG2(0xa0700218, (x) << 3)
134
135#endif /* ifndef __ASM_ARCH_REGSMEM_H */