aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-pxa/mfp-pxa3xx.h
blob: 1f6b35c015d0afdbb53398bf71ec0bd831ca757b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
#ifndef __ASM_ARCH_MFP_PXA3XX_H
#define __ASM_ARCH_MFP_PXA3XX_H

#define MFPR_BASE	(0x40e10000)
#define MFPR_SIZE	(PAGE_SIZE)

/* MFPR register bit definitions */
#define MFPR_PULL_SEL		(0x1 << 15)
#define MFPR_PULLUP_EN		(0x1 << 14)
#define MFPR_PULLDOWN_EN	(0x1 << 13)
#define MFPR_SLEEP_SEL		(0x1 << 9)
#define MFPR_SLEEP_OE_N		(0x1 << 7)
#define MFPR_EDGE_CLEAR		(0x1 << 6)
#define MFPR_EDGE_FALL_EN	(0x1 << 5)
#define MFPR_EDGE_RISE_EN	(0x1 << 4)

#define MFPR_SLEEP_DATA(x)	((x) << 8)
#define MFPR_DRIVE(x)		(((x) & 0x7) << 10)
#define MFPR_AF_SEL(x)		(((x) & 0x7) << 0)

#define MFPR_EDGE_NONE		(0)
#define MFPR_EDGE_RISE		(MFPR_EDGE_RISE_EN)
#define MFPR_EDGE_FALL		(MFPR_EDGE_FALL_EN)
#define MFPR_EDGE_BOTH		(MFPR_EDGE_RISE | MFPR_EDGE_FALL)

/*
 * Table that determines the low power modes outputs, with actual settings
 * used in parentheses for don't-care values. Except for the float output,
 * the configured driven and pulled levels match, so if there is a need for
 * non-LPM pulled output, the same configuration could probably be used.
 *
 * Output value  sleep_oe_n  sleep_data  pullup_en  pulldown_en  pull_sel
 *                 (bit 7)    (bit 8)    (bit 14)     (bit 13)   (bit 15)
 *
 * Input            0          X(0)        X(0)        X(0)       0
 * Drive 0          0          0           0           X(1)       0
 * Drive 1          0          1           X(1)        0	  0
 * Pull hi (1)      1          X(1)        1           0	  0
 * Pull lo (0)      1          X(0)        0           1	  0
 * Z (float)        1          X(0)        0           0	  0
 */
#define MFPR_LPM_INPUT		(0)
#define MFPR_LPM_DRIVE_LOW	(MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN)
#define MFPR_LPM_DRIVE_HIGH    	(MFPR_SLEEP_DATA(1) | MFPR_PULLUP_EN)
#define MFPR_LPM_PULL_LOW      	(MFPR_LPM_DRIVE_LOW  | MFPR_SLEEP_OE_N)
#define MFPR_LPM_PULL_HIGH     	(MFPR_LPM_DRIVE_HIGH | MFPR_SLEEP_OE_N)
#define MFPR_LPM_FLOAT         	(MFPR_SLEEP_OE_N)
#define MFPR_LPM_MASK		(0xe080)

/*
 * The pullup and pulldown state of the MFP pin at run mode is by default
 * determined by the selected alternate function. In case that some buggy
 * devices need to override this default behavior,  the definitions below
 * indicates the setting of corresponding MFPR bits
 *
 * Definition       pull_sel  pullup_en  pulldown_en
 * MFPR_PULL_NONE       0         0        0
 * MFPR_PULL_LOW        1         0        1
 * MFPR_PULL_HIGH       1         1        0
 * MFPR_PULL_BOTH       1         1        1
 */
#define MFPR_PULL_NONE		(0)
#define MFPR_PULL_LOW		(MFPR_PULL_SEL | MFPR_PULLDOWN_EN)
#define MFPR_PULL_BOTH		(MFPR_PULL_LOW | MFPR_PULLUP_EN)
#define MFPR_PULL_HIGH		(MFPR_PULL_SEL | MFPR_PULLUP_EN)

/* PXA3xx common MFP configurations - processor specific ones defined
 * in mfp-pxa300.h and mfp-pxa320.h
 */
#define GPIO0_GPIO		MFP_CFG(GPIO0, AF0)
#define GPIO1_GPIO		MFP_CFG(GPIO1, AF0)
#define GPIO2_GPIO		MFP_CFG(GPIO2, AF0)
#define GPIO3_GPIO		MFP_CFG(GPIO3, AF0)
#define GPIO4_GPIO		MFP_CFG(GPIO4, AF0)
#define GPIO5_GPIO		MFP_CFG(GPIO5, AF0)
#define GPIO6_GPIO		MFP_CFG(GPIO6, AF0)
#define GPIO7_GPIO		MFP_CFG(GPIO7, AF0)
#define GPIO8_GPIO		MFP_CFG(GPIO8, AF0)
#define GPIO9_GPIO		MFP_CFG(GPIO9, AF0)
#define GPIO10_GPIO		MFP_CFG(GPIO10, AF0)
#define GPIO11_GPIO		MFP_CFG(GPIO11, AF0)
#define GPIO12_GPIO		MFP_CFG(GPIO12, AF0)
#define GPIO13_GPIO		MFP_CFG(GPIO13, AF0)
#define GPIO14_GPIO		MFP_CFG(GPIO14, AF0)
#define GPIO15_GPIO		MFP_CFG(GPIO15, AF0)
#define GPIO16_GPIO		MFP_CFG(GPIO16, AF0)
#define GPIO17_GPIO		MFP_CFG(GPIO17, AF0)
#define GPIO18_GPIO		MFP_CFG(GPIO18, AF0)
#define GPIO19_GPIO		MFP_CFG(GPIO19, AF0)
#define GPIO20_GPIO		MFP_CFG(GPIO20, AF0)
#define GPIO21_GPIO		MFP_CFG(GPIO21, AF0)
#define GPIO22_GPIO		MFP_CFG(GPIO22, AF0)
#define GPIO23_GPIO		MFP_CFG(GPIO23, AF0)
#define GPIO24_GPIO		MFP_CFG(GPIO24, AF0)
#define GPIO25_GPIO		MFP_CFG(GPIO25, AF0)
#define GPIO26_GPIO		MFP_CFG(GPIO26, AF0)
#define GPIO27_GPIO		MFP_CFG(GPIO27, AF0)
#define GPIO28_GPIO		MFP_CFG(GPIO28, AF0)
#define GPIO29_GPIO		MFP_CFG(GPIO29, AF0)
#define GPIO30_GPIO		MFP_CFG(GPIO30, AF0)
#define GPIO31_GPIO		MFP_CFG(GPIO31, AF0)
#define GPIO32_GPIO		MFP_CFG(GPIO32, AF0)
#define GPIO33_GPIO		MFP_CFG(GPIO33, AF0)
#define GPIO34_GPIO		MFP_CFG(GPIO34, AF0)
#define GPIO35_GPIO		MFP_CFG(GPIO35, AF0)
#define GPIO36_GPIO		MFP_CFG(GPIO36, AF0)
#define GPIO37_GPIO		MFP_CFG(GPIO37, AF0)
#define GPIO38_GPIO		MFP_CFG(GPIO38, AF0)
#define GPIO39_GPIO		MFP_CFG(GPIO39, AF0)
#define GPIO40_GPIO		MFP_CFG(GPIO40, AF0)
#define GPIO41_GPIO		MFP_CFG(GPIO41, AF0)
#define GPIO42_GPIO		MFP_CFG(GPIO42, AF0)
#define GPIO43_GPIO		MFP_CFG(GPIO43, AF0)
#define GPIO44_GPIO		MFP_CFG(GPIO44, AF0)
#define GPIO45_GPIO		MFP_CFG(GPIO45, AF0)

#define GPIO47_GPIO		MFP_CFG(GPIO47, AF0)
#define GPIO48_GPIO		MFP_CFG(GPIO48, AF0)

#define GPIO53_GPIO		MFP_CFG(GPIO53, AF0)
#define GPIO54_GPIO		MFP_CFG(GPIO54, AF0)
#define GPIO55_GPIO		MFP_CFG(GPIO55, AF0)

#define GPIO57_GPIO		MFP_CFG(GPIO57, AF0)

#define GPIO63_GPIO		MFP_CFG(GPIO63, AF0)
#define GPIO64_GPIO		MFP_CFG(GPIO64, AF0)
#define GPIO65_GPIO		MFP_CFG(GPIO65, AF0)
#define GPIO66_GPIO		MFP_CFG(GPIO66, AF0)
#define GPIO67_GPIO		MFP_CFG(GPIO67, AF0)
#define GPIO68_GPIO		MFP_CFG(GPIO68, AF0)
#define GPIO69_GPIO		MFP_CFG(GPIO69, AF0)
#define GPIO70_GPIO		MFP_CFG(GPIO70, AF0)
#define GPIO71_GPIO		MFP_CFG(GPIO71, AF0)
#define GPIO72_GPIO		MFP_CFG(GPIO72, AF0)
#define GPIO73_GPIO		MFP_CFG(GPIO73, AF0)
#define GPIO74_GPIO		MFP_CFG(GPIO74, AF0)
#define GPIO75_GPIO		MFP_CFG(GPIO75, AF0)
#define GPIO76_GPIO		MFP_CFG(GPIO76, AF0)
#define GPIO77_GPIO		MFP_CFG(GPIO77, AF0)
#define GPIO78_GPIO		MFP_CFG(GPIO78, AF0)
#define GPIO79_GPIO		MFP_CFG(GPIO79, AF0)
#define GPIO80_GPIO		MFP_CFG(GPIO80, AF0)
#define GPIO81_GPIO		MFP_CFG(GPIO81, AF0)
#define GPIO82_GPIO		MFP_CFG(GPIO82, AF0)
#define GPIO83_GPIO		MFP_CFG(GPIO83, AF0)
#define GPIO84_GPIO		MFP_CFG(GPIO84, AF0)
#define GPIO85_GPIO		MFP_CFG(GPIO85, AF0)
#define GPIO86_GPIO		MFP_CFG(GPIO86, AF0)
#define GPIO87_GPIO		MFP_CFG(GPIO87, AF0)
#define GPIO88_GPIO		MFP_CFG(GPIO88, AF0)
#define GPIO89_GPIO		MFP_CFG(GPIO89, AF0)
#define GPIO90_GPIO		MFP_CFG(GPIO90, AF0)
#define GPIO91_GPIO		MFP_CFG(GPIO91, AF0)
#define GPIO92_GPIO		MFP_CFG(GPIO92, AF0)
#define GPIO93_GPIO		MFP_CFG(GPIO93, AF0)
#define GPIO94_GPIO		MFP_CFG(GPIO94, AF0)
#define GPIO95_GPIO		MFP_CFG(GPIO95, AF0)
#define GPIO96_GPIO		MFP_CFG(GPIO96, AF0)
#define GPIO97_GPIO		MFP_CFG(GPIO97, AF0)
#define GPIO98_GPIO		MFP_CFG(GPIO98, AF0)
#define GPIO99_GPIO		MFP_CFG(GPIO99, AF0)
#define GPIO100_GPIO		MFP_CFG(GPIO100, AF0)
#define GPIO101_GPIO		MFP_CFG(GPIO101, AF0)
#define GPIO102_GPIO		MFP_CFG(GPIO102, AF0)
#define GPIO103_GPIO		MFP_CFG(GPIO103, AF0)
#define GPIO104_GPIO		MFP_CFG(GPIO104, AF0)
#define GPIO105_GPIO		MFP_CFG(GPIO105, AF0)
#define GPIO106_GPIO		MFP_CFG(GPIO106, AF0)
#define GPIO107_GPIO		MFP_CFG(GPIO107, AF0)
#define GPIO108_GPIO		MFP_CFG(GPIO108, AF0)
#define GPIO109_GPIO		MFP_CFG(GPIO109, AF0)
#define GPIO110_GPIO		MFP_CFG(GPIO110, AF0)
#define GPIO111_GPIO		MFP_CFG(GPIO111, AF0)
#define GPIO112_GPIO		MFP_CFG(GPIO112, AF0)
#define GPIO113_GPIO		MFP_CFG(GPIO113, AF0)
#define GPIO114_GPIO		MFP_CFG(GPIO114, AF0)
#define GPIO115_GPIO		MFP_CFG(GPIO115, AF0)
#define GPIO116_GPIO		MFP_CFG(GPIO116, AF0)
#define GPIO117_GPIO		MFP_CFG(GPIO117, AF0)
#define GPIO118_GPIO		MFP_CFG(GPIO118, AF0)
#define GPIO119_GPIO		MFP_CFG(GPIO119, AF0)
#define GPIO120_GPIO		MFP_CFG(GPIO120, AF0)
#define GPIO121_GPIO		MFP_CFG(GPIO121, AF0)
#define GPIO122_GPIO		MFP_CFG(GPIO122, AF0)
#define GPIO123_GPIO		MFP_CFG(GPIO123, AF0)
#define GPIO124_GPIO		MFP_CFG(GPIO124, AF0)
#define GPIO125_GPIO		MFP_CFG(GPIO125, AF0)
#define GPIO126_GPIO		MFP_CFG(GPIO126, AF0)
#define GPIO127_GPIO		MFP_CFG(GPIO127, AF0)

#define GPIO0_2_GPIO		MFP_CFG(GPIO0_2, AF0)
#define GPIO1_2_GPIO		MFP_CFG(GPIO1_2, AF0)
#define GPIO2_2_GPIO		MFP_CFG(GPIO2_2, AF0)
#define GPIO3_2_GPIO		MFP_CFG(GPIO3_2, AF0)
#define GPIO4_2_GPIO		MFP_CFG(GPIO4_2, AF0)
#define GPIO5_2_GPIO		MFP_CFG(GPIO5_2, AF0)
#define GPIO6_2_GPIO		MFP_CFG(GPIO6_2, AF0)

/*
 * each MFP pin will have a MFPR register, since the offset of the
 * register varies between processors, the processor specific code
 * should initialize the pin offsets by pxa3xx_mfp_init_addr()
 *
 * pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map"
 * structure, which represents a range of MFP pins from "start" to
 * "end", with the offset begining at "offset", to define a single
 * pin, let "end" = -1
 *
 * use
 *
 * MFP_ADDR_X() to define a range of pins
 * MFP_ADDR()   to define a single pin
 * MFP_ADDR_END to signal the end of pin offset definitions
 */
struct pxa3xx_mfp_addr_map {
	unsigned int	start;
	unsigned int	end;
	unsigned long	offset;
};

#define MFP_ADDR_X(start, end, offset) \
	{ MFP_PIN_##start, MFP_PIN_##end, offset }

#define MFP_ADDR(pin, offset) \
	{ MFP_PIN_##pin, -1, offset }

#define MFP_ADDR_END	{ MFP_PIN_INVALID, 0 }

/*
 * pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access
 * to the MFPR register
 */
unsigned long pxa3xx_mfp_read(int mfp);
void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val);

/*
 * pxa3xx_mfp_config - configure the MFPR registers
 *
 * used by board specific initialization code
 */
void pxa3xx_mfp_config(unsigned long *mfp_cfgs, int num);

/*
 * pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin
 * index and MFPR register offset
 *
 * used by processor specific code
 */
void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *);
void __init pxa3xx_init_mfp(void);
#endif /* __ASM_ARCH_MFP_PXA3XX_H */