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a09e64fb | 1 | /* arch/arm/mach-s3c2410/include/mach/regs-dsc.h |
1da177e4 LT |
2 | * |
3 | * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk> | |
4 | * http://www.simtec.co.uk/products/SWLINUX/ | |
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 | * | |
2b8b4913 | 10 | * S3C2440/S3C2412 Signal Drive Strength Control |
1da177e4 LT |
11 | */ |
12 | ||
13 | ||
14 | #ifndef __ASM_ARCH_REGS_DSC_H | |
15 | #define __ASM_ARCH_REGS_DSC_H "2440-dsc" | |
16 | ||
2b8b4913 BD |
17 | #if defined(CONFIG_CPU_S3C2412) |
18 | #define S3C2412_DSC0 S3C2410_GPIOREG(0xdc) | |
19 | #define S3C2412_DSC1 S3C2410_GPIOREG(0xe0) | |
20 | #endif | |
21 | ||
7cfdee9f YK |
22 | #if defined(CONFIG_CPU_S3C2416) |
23 | #define S3C2416_DSC0 S3C2410_GPIOREG(0xc0) | |
24 | #define S3C2416_DSC1 S3C2410_GPIOREG(0xc4) | |
25 | #define S3C2416_DSC2 S3C2410_GPIOREG(0xc8) | |
26 | #define S3C2416_DSC3 S3C2410_GPIOREG(0x110) | |
27 | ||
28 | #define S3C2416_SELECT_DSC0 (0 << 30) | |
29 | #define S3C2416_SELECT_DSC1 (1 << 30) | |
30 | #define S3C2416_SELECT_DSC2 (2 << 30) | |
31 | #define S3C2416_SELECT_DSC3 (3 << 30) | |
32 | ||
33 | #define S3C2416_DSC_GETSHIFT(x) (x & 30) | |
34 | ||
35 | #define S3C2416_DSC0_CF (S3C2416_SELECT_DSC0 | 28) | |
36 | #define S3C2416_DSC0_CF_5mA (0 << 28) | |
37 | #define S3C2416_DSC0_CF_10mA (1 << 28) | |
38 | #define S3C2416_DSC0_CF_15mA (2 << 28) | |
39 | #define S3C2416_DSC0_CF_21mA (3 << 28) | |
40 | #define S3C2416_DSC0_CF_MASK (3 << 28) | |
41 | ||
42 | #define S3C2416_DSC0_nRBE (S3C2416_SELECT_DSC0 | 26) | |
43 | #define S3C2416_DSC0_nRBE_5mA (0 << 26) | |
44 | #define S3C2416_DSC0_nRBE_10mA (1 << 26) | |
45 | #define S3C2416_DSC0_nRBE_15mA (2 << 26) | |
46 | #define S3C2416_DSC0_nRBE_21mA (3 << 26) | |
47 | #define S3C2416_DSC0_nRBE_MASK (3 << 26) | |
48 | ||
49 | #define S3C2416_DSC0_nROE (S3C2416_SELECT_DSC0 | 24) | |
50 | #define S3C2416_DSC0_nROE_5mA (0 << 24) | |
51 | #define S3C2416_DSC0_nROE_10mA (1 << 24) | |
52 | #define S3C2416_DSC0_nROE_15mA (2 << 24) | |
53 | #define S3C2416_DSC0_nROE_21mA (3 << 24) | |
54 | #define S3C2416_DSC0_nROE_MASK (3 << 24) | |
55 | ||
56 | #endif | |
57 | ||
f7275dac | 58 | #if defined(CONFIG_CPU_S3C244X) |
1da177e4 LT |
59 | |
60 | #define S3C2440_DSC0 S3C2410_GPIOREG(0xc4) | |
61 | #define S3C2440_DSC1 S3C2410_GPIOREG(0xc8) | |
62 | ||
63 | #define S3C2440_SELECT_DSC0 (0) | |
64 | #define S3C2440_SELECT_DSC1 (1<<31) | |
65 | ||
66 | #define S3C2440_DSC_GETSHIFT(x) ((x) & 31) | |
67 | ||
68 | #define S3C2440_DSC0_DISABLE (1<<31) | |
69 | ||
70 | #define S3C2440_DSC0_ADDR (S3C2440_SELECT_DSC0 | 8) | |
71 | #define S3C2440_DSC0_ADDR_12mA (0<<8) | |
72 | #define S3C2440_DSC0_ADDR_10mA (1<<8) | |
73 | #define S3C2440_DSC0_ADDR_8mA (2<<8) | |
74 | #define S3C2440_DSC0_ADDR_6mA (3<<8) | |
75 | #define S3C2440_DSC0_ADDR_MASK (3<<8) | |
76 | ||
77 | /* D24..D31 */ | |
78 | #define S3C2440_DSC0_DATA3 (S3C2440_SELECT_DSC0 | 6) | |
79 | #define S3C2440_DSC0_DATA3_12mA (0<<6) | |
80 | #define S3C2440_DSC0_DATA3_10mA (1<<6) | |
81 | #define S3C2440_DSC0_DATA3_8mA (2<<6) | |
82 | #define S3C2440_DSC0_DATA3_6mA (3<<6) | |
83 | #define S3C2440_DSC0_DATA3_MASK (3<<6) | |
84 | ||
85 | /* D16..D23 */ | |
86 | #define S3C2440_DSC0_DATA2 (S3C2440_SELECT_DSC0 | 4) | |
87 | #define S3C2440_DSC0_DATA2_12mA (0<<4) | |
88 | #define S3C2440_DSC0_DATA2_10mA (1<<4) | |
89 | #define S3C2440_DSC0_DATA2_8mA (2<<4) | |
90 | #define S3C2440_DSC0_DATA2_6mA (3<<4) | |
91 | #define S3C2440_DSC0_DATA2_MASK (3<<4) | |
92 | ||
93 | /* D8..D15 */ | |
94 | #define S3C2440_DSC0_DATA1 (S3C2440_SELECT_DSC0 | 2) | |
95 | #define S3C2440_DSC0_DATA1_12mA (0<<2) | |
96 | #define S3C2440_DSC0_DATA1_10mA (1<<2) | |
97 | #define S3C2440_DSC0_DATA1_8mA (2<<2) | |
98 | #define S3C2440_DSC0_DATA1_6mA (3<<2) | |
99 | #define S3C2440_DSC0_DATA1_MASK (3<<2) | |
100 | ||
101 | /* D0..D7 */ | |
102 | #define S3C2440_DSC0_DATA0 (S3C2440_SELECT_DSC0 | 0) | |
103 | #define S3C2440_DSC0_DATA0_12mA (0<<0) | |
104 | #define S3C2440_DSC0_DATA0_10mA (1<<0) | |
105 | #define S3C2440_DSC0_DATA0_8mA (2<<0) | |
106 | #define S3C2440_DSC0_DATA0_6mA (3<<0) | |
107 | #define S3C2440_DSC0_DATA0_MASK (3<<0) | |
108 | ||
109 | #define S3C2440_DSC1_SCK1 (S3C2440_SELECT_DSC1 | 28) | |
110 | #define S3C2440_DSC1_SCK1_12mA (0<<28) | |
111 | #define S3C2440_DSC1_SCK1_10mA (1<<28) | |
112 | #define S3C2440_DSC1_SCK1_8mA (2<<28) | |
113 | #define S3C2440_DSC1_SCK1_6mA (3<<28) | |
114 | #define S3C2440_DSC1_SCK1_MASK (3<<28) | |
115 | ||
116 | #define S3C2440_DSC1_SCK0 (S3C2440_SELECT_DSC1 | 26) | |
117 | #define S3C2440_DSC1_SCK0_12mA (0<<26) | |
118 | #define S3C2440_DSC1_SCK0_10mA (1<<26) | |
119 | #define S3C2440_DSC1_SCK0_8mA (2<<26) | |
120 | #define S3C2440_DSC1_SCK0_6mA (3<<26) | |
121 | #define S3C2440_DSC1_SCK0_MASK (3<<26) | |
122 | ||
123 | #define S3C2440_DSC1_SCKE (S3C2440_SELECT_DSC1 | 24) | |
124 | #define S3C2440_DSC1_SCKE_10mA (0<<24) | |
125 | #define S3C2440_DSC1_SCKE_8mA (1<<24) | |
126 | #define S3C2440_DSC1_SCKE_6mA (2<<24) | |
127 | #define S3C2440_DSC1_SCKE_4mA (3<<24) | |
128 | #define S3C2440_DSC1_SCKE_MASK (3<<24) | |
129 | ||
130 | /* SDRAM nRAS/nCAS */ | |
131 | #define S3C2440_DSC1_SDR (S3C2440_SELECT_DSC1 | 22) | |
132 | #define S3C2440_DSC1_SDR_10mA (0<<22) | |
133 | #define S3C2440_DSC1_SDR_8mA (1<<22) | |
134 | #define S3C2440_DSC1_SDR_6mA (2<<22) | |
135 | #define S3C2440_DSC1_SDR_4mA (3<<22) | |
136 | #define S3C2440_DSC1_SDR_MASK (3<<22) | |
137 | ||
138 | /* NAND Flash Controller */ | |
139 | #define S3C2440_DSC1_NFC (S3C2440_SELECT_DSC1 | 20) | |
140 | #define S3C2440_DSC1_NFC_10mA (0<<20) | |
141 | #define S3C2440_DSC1_NFC_8mA (1<<20) | |
142 | #define S3C2440_DSC1_NFC_6mA (2<<20) | |
143 | #define S3C2440_DSC1_NFC_4mA (3<<20) | |
144 | #define S3C2440_DSC1_NFC_MASK (3<<20) | |
145 | ||
146 | /* nBE[0..3] */ | |
147 | #define S3C2440_DSC1_nBE (S3C2440_SELECT_DSC1 | 18) | |
148 | #define S3C2440_DSC1_nBE_10mA (0<<18) | |
149 | #define S3C2440_DSC1_nBE_8mA (1<<18) | |
150 | #define S3C2440_DSC1_nBE_6mA (2<<18) | |
151 | #define S3C2440_DSC1_nBE_4mA (3<<18) | |
152 | #define S3C2440_DSC1_nBE_MASK (3<<18) | |
153 | ||
154 | #define S3C2440_DSC1_WOE (S3C2440_SELECT_DSC1 | 16) | |
155 | #define S3C2440_DSC1_WOE_10mA (0<<16) | |
156 | #define S3C2440_DSC1_WOE_8mA (1<<16) | |
157 | #define S3C2440_DSC1_WOE_6mA (2<<16) | |
158 | #define S3C2440_DSC1_WOE_4mA (3<<16) | |
159 | #define S3C2440_DSC1_WOE_MASK (3<<16) | |
160 | ||
161 | #define S3C2440_DSC1_CS7 (S3C2440_SELECT_DSC1 | 14) | |
162 | #define S3C2440_DSC1_CS7_10mA (0<<14) | |
163 | #define S3C2440_DSC1_CS7_8mA (1<<14) | |
164 | #define S3C2440_DSC1_CS7_6mA (2<<14) | |
165 | #define S3C2440_DSC1_CS7_4mA (3<<14) | |
166 | #define S3C2440_DSC1_CS7_MASK (3<<14) | |
167 | ||
168 | #define S3C2440_DSC1_CS6 (S3C2440_SELECT_DSC1 | 12) | |
169 | #define S3C2440_DSC1_CS6_10mA (0<<12) | |
170 | #define S3C2440_DSC1_CS6_8mA (1<<12) | |
171 | #define S3C2440_DSC1_CS6_6mA (2<<12) | |
172 | #define S3C2440_DSC1_CS6_4mA (3<<12) | |
173 | #define S3C2440_DSC1_CS6_MASK (3<<12) | |
174 | ||
175 | #define S3C2440_DSC1_CS5 (S3C2440_SELECT_DSC1 | 10) | |
176 | #define S3C2440_DSC1_CS5_10mA (0<<10) | |
177 | #define S3C2440_DSC1_CS5_8mA (1<<10) | |
178 | #define S3C2440_DSC1_CS5_6mA (2<<10) | |
179 | #define S3C2440_DSC1_CS5_4mA (3<<10) | |
180 | #define S3C2440_DSC1_CS5_MASK (3<<10) | |
181 | ||
182 | #define S3C2440_DSC1_CS4 (S3C2440_SELECT_DSC1 | 8) | |
183 | #define S3C2440_DSC1_CS4_10mA (0<<8) | |
184 | #define S3C2440_DSC1_CS4_8mA (1<<8) | |
185 | #define S3C2440_DSC1_CS4_6mA (2<<8) | |
186 | #define S3C2440_DSC1_CS4_4mA (3<<8) | |
187 | #define S3C2440_DSC1_CS4_MASK (3<<8) | |
188 | ||
189 | #define S3C2440_DSC1_CS3 (S3C2440_SELECT_DSC1 | 6) | |
190 | #define S3C2440_DSC1_CS3_10mA (0<<6) | |
191 | #define S3C2440_DSC1_CS3_8mA (1<<6) | |
192 | #define S3C2440_DSC1_CS3_6mA (2<<6) | |
193 | #define S3C2440_DSC1_CS3_4mA (3<<6) | |
194 | #define S3C2440_DSC1_CS3_MASK (3<<6) | |
195 | ||
196 | #define S3C2440_DSC1_CS2 (S3C2440_SELECT_DSC1 | 4) | |
197 | #define S3C2440_DSC1_CS2_10mA (0<<4) | |
198 | #define S3C2440_DSC1_CS2_8mA (1<<4) | |
199 | #define S3C2440_DSC1_CS2_6mA (2<<4) | |
200 | #define S3C2440_DSC1_CS2_4mA (3<<4) | |
201 | #define S3C2440_DSC1_CS2_MASK (3<<4) | |
202 | ||
203 | #define S3C2440_DSC1_CS1 (S3C2440_SELECT_DSC1 | 2) | |
204 | #define S3C2440_DSC1_CS1_10mA (0<<2) | |
205 | #define S3C2440_DSC1_CS1_8mA (1<<2) | |
206 | #define S3C2440_DSC1_CS1_6mA (2<<2) | |
207 | #define S3C2440_DSC1_CS1_4mA (3<<2) | |
208 | #define S3C2440_DSC1_CS1_MASK (3<<2) | |
209 | ||
02916526 | 210 | #define S3C2440_DSC1_CS0 (S3C2440_SELECT_DSC1 | 0) |
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211 | #define S3C2440_DSC1_CS0_10mA (0<<0) |
212 | #define S3C2440_DSC1_CS0_8mA (1<<0) | |
213 | #define S3C2440_DSC1_CS0_6mA (2<<0) | |
214 | #define S3C2440_DSC1_CS0_4mA (3<<0) | |
215 | #define S3C2440_DSC1_CS0_MASK (3<<0) | |
216 | ||
217 | #endif /* CONFIG_CPU_S3C2440 */ | |
218 | ||
219 | #endif /* __ASM_ARCH_REGS_DSC_H */ | |
220 |