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1 /*
2  * Register definitions for Atmel Static Memory Controller (SMC)
3  *
4  * Copyright (C) 2006 Atmel Corporation
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #ifndef __ASM_AVR32_HSMC_H__
11 #define __ASM_AVR32_HSMC_H__
12 
13 /* HSMC register offsets */
14 #define HSMC_SETUP0				0x0000
15 #define HSMC_PULSE0				0x0004
16 #define HSMC_CYCLE0				0x0008
17 #define HSMC_MODE0				0x000c
18 #define HSMC_SETUP1				0x0010
19 #define HSMC_PULSE1				0x0014
20 #define HSMC_CYCLE1				0x0018
21 #define HSMC_MODE1				0x001c
22 #define HSMC_SETUP2				0x0020
23 #define HSMC_PULSE2				0x0024
24 #define HSMC_CYCLE2				0x0028
25 #define HSMC_MODE2				0x002c
26 #define HSMC_SETUP3				0x0030
27 #define HSMC_PULSE3				0x0034
28 #define HSMC_CYCLE3				0x0038
29 #define HSMC_MODE3				0x003c
30 #define HSMC_SETUP4				0x0040
31 #define HSMC_PULSE4				0x0044
32 #define HSMC_CYCLE4				0x0048
33 #define HSMC_MODE4				0x004c
34 #define HSMC_SETUP5				0x0050
35 #define HSMC_PULSE5				0x0054
36 #define HSMC_CYCLE5				0x0058
37 #define HSMC_MODE5				0x005c
38 
39 /* Bitfields in SETUP0 */
40 #define HSMC_NWE_SETUP_OFFSET			0
41 #define HSMC_NWE_SETUP_SIZE			6
42 #define HSMC_NCS_WR_SETUP_OFFSET		8
43 #define HSMC_NCS_WR_SETUP_SIZE			6
44 #define HSMC_NRD_SETUP_OFFSET			16
45 #define HSMC_NRD_SETUP_SIZE			6
46 #define HSMC_NCS_RD_SETUP_OFFSET		24
47 #define HSMC_NCS_RD_SETUP_SIZE			6
48 
49 /* Bitfields in PULSE0 */
50 #define HSMC_NWE_PULSE_OFFSET			0
51 #define HSMC_NWE_PULSE_SIZE			7
52 #define HSMC_NCS_WR_PULSE_OFFSET		8
53 #define HSMC_NCS_WR_PULSE_SIZE			7
54 #define HSMC_NRD_PULSE_OFFSET			16
55 #define HSMC_NRD_PULSE_SIZE			7
56 #define HSMC_NCS_RD_PULSE_OFFSET		24
57 #define HSMC_NCS_RD_PULSE_SIZE			7
58 
59 /* Bitfields in CYCLE0 */
60 #define HSMC_NWE_CYCLE_OFFSET			0
61 #define HSMC_NWE_CYCLE_SIZE			9
62 #define HSMC_NRD_CYCLE_OFFSET			16
63 #define HSMC_NRD_CYCLE_SIZE			9
64 
65 /* Bitfields in MODE0 */
66 #define HSMC_READ_MODE_OFFSET			0
67 #define HSMC_READ_MODE_SIZE			1
68 #define HSMC_WRITE_MODE_OFFSET			1
69 #define HSMC_WRITE_MODE_SIZE			1
70 #define HSMC_EXNW_MODE_OFFSET			4
71 #define HSMC_EXNW_MODE_SIZE			2
72 #define HSMC_BAT_OFFSET				8
73 #define HSMC_BAT_SIZE				1
74 #define HSMC_DBW_OFFSET				12
75 #define HSMC_DBW_SIZE				2
76 #define HSMC_TDF_CYCLES_OFFSET			16
77 #define HSMC_TDF_CYCLES_SIZE			4
78 #define HSMC_TDF_MODE_OFFSET			20
79 #define HSMC_TDF_MODE_SIZE			1
80 #define HSMC_PMEN_OFFSET			24
81 #define HSMC_PMEN_SIZE				1
82 #define HSMC_PS_OFFSET				28
83 #define HSMC_PS_SIZE				2
84 
85 /* Constants for READ_MODE */
86 #define HSMC_READ_MODE_NCS_CONTROLLED		0
87 #define HSMC_READ_MODE_NRD_CONTROLLED		1
88 
89 /* Constants for WRITE_MODE */
90 #define HSMC_WRITE_MODE_NCS_CONTROLLED		0
91 #define HSMC_WRITE_MODE_NWE_CONTROLLED		1
92 
93 /* Constants for EXNW_MODE */
94 #define HSMC_EXNW_MODE_DISABLED			0
95 #define HSMC_EXNW_MODE_RESERVED			1
96 #define HSMC_EXNW_MODE_FROZEN			2
97 #define HSMC_EXNW_MODE_READY			3
98 
99 /* Constants for BAT */
100 #define HSMC_BAT_BYTE_SELECT			0
101 #define HSMC_BAT_BYTE_WRITE			1
102 
103 /* Constants for DBW */
104 #define HSMC_DBW_8_BITS				0
105 #define HSMC_DBW_16_BITS			1
106 #define HSMC_DBW_32_BITS			2
107 
108 /* Bit manipulation macros */
109 #define HSMC_BIT(name)							\
110 	(1 << HSMC_##name##_OFFSET)
111 #define HSMC_BF(name,value)						\
112 	(((value) & ((1 << HSMC_##name##_SIZE) - 1))			\
113 	 << HSMC_##name##_OFFSET)
114 #define HSMC_BFEXT(name,value)						\
115 	(((value) >> HSMC_##name##_OFFSET)				\
116 	 & ((1 << HSMC_##name##_SIZE) - 1))
117 #define HSMC_BFINS(name,value,old)					\
118 	(((old) & ~(((1 << HSMC_##name##_SIZE) - 1)			\
119 		    << HSMC_##name##_OFFSET)) | HSMC_BF(name,value))
120 
121 /* Register access macros */
122 #define hsmc_readl(port,reg)						\
123 	__raw_readl((port)->regs + HSMC_##reg)
124 #define hsmc_writel(port,reg,value)					\
125 	__raw_writel((value), (port)->regs + HSMC_##reg)
126 
127 #endif /* __ASM_AVR32_HSMC_H__ */
128