1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * MPC8xx I/O port pin manipulation functions
5 * Roughly based on iopin_8260.h
8 #ifndef _ASM_IOPIN_8XX_H_
9 #define _ASM_IOPIN_8XX_H_
11 #include <linux/types.h>
12 #include <asm/immap_8xx.h>
18 u_char port:2; /* port number (A=0, B=1, C=2, D=3) */
19 u_char pin:5; /* port pin (0-31) */
20 u_char flag:1; /* for whatever */
28 static inline void iopin_set_high(iopin_t *iopin)
30 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
32 if (iopin->port == IOPIN_PORTA) {
33 ushort __iomem *datp = &immap->im_ioport.iop_padat;
35 setbits_be16(datp, 1 << (15 - iopin->pin));
36 } else if (iopin->port == IOPIN_PORTB) {
37 uint __iomem *datp = &immap->im_cpm.cp_pbdat;
39 setbits_be32(datp, 1 << (31 - iopin->pin));
40 } else if (iopin->port == IOPIN_PORTC) {
41 ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
43 setbits_be16(datp, 1 << (15 - iopin->pin));
44 } else if (iopin->port == IOPIN_PORTD) {
45 ushort __iomem *datp = &immap->im_ioport.iop_pddat;
47 setbits_be16(datp, 1 << (15 - iopin->pin));
51 static inline void iopin_set_low(iopin_t *iopin)
53 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
55 if (iopin->port == IOPIN_PORTA) {
56 ushort __iomem *datp = &immap->im_ioport.iop_padat;
58 clrbits_be16(datp, 1 << (15 - iopin->pin));
59 } else if (iopin->port == IOPIN_PORTB) {
60 uint __iomem *datp = &immap->im_cpm.cp_pbdat;
62 clrbits_be32(datp, 1 << (31 - iopin->pin));
63 } else if (iopin->port == IOPIN_PORTC) {
64 ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
66 clrbits_be16(datp, 1 << (15 - iopin->pin));
67 } else if (iopin->port == IOPIN_PORTD) {
68 ushort __iomem *datp = &immap->im_ioport.iop_pddat;
70 clrbits_be16(datp, 1 << (15 - iopin->pin));
74 static inline uint iopin_is_high(iopin_t *iopin)
76 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
78 if (iopin->port == IOPIN_PORTA) {
79 ushort __iomem *datp = &immap->im_ioport.iop_padat;
81 return (in_be16(datp) >> (15 - iopin->pin)) & 1;
82 } else if (iopin->port == IOPIN_PORTB) {
83 uint __iomem *datp = &immap->im_cpm.cp_pbdat;
85 return (in_be32(datp) >> (31 - iopin->pin)) & 1;
86 } else if (iopin->port == IOPIN_PORTC) {
87 ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
89 return (in_be16(datp) >> (15 - iopin->pin)) & 1;
90 } else if (iopin->port == IOPIN_PORTD) {
91 ushort __iomem *datp = &immap->im_ioport.iop_pddat;
93 return (in_be16(datp) >> (15 - iopin->pin)) & 1;
98 static inline uint iopin_is_low(iopin_t *iopin)
100 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
102 if (iopin->port == IOPIN_PORTA) {
103 ushort __iomem *datp = &immap->im_ioport.iop_padat;
105 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
106 } else if (iopin->port == IOPIN_PORTB) {
107 uint __iomem *datp = &immap->im_cpm.cp_pbdat;
109 return ((in_be32(datp) >> (31 - iopin->pin)) & 1) ^ 1;
110 } else if (iopin->port == IOPIN_PORTC) {
111 ushort __iomem *datp = &immap->im_ioport.iop_pcdat;
113 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
114 } else if (iopin->port == IOPIN_PORTD) {
115 ushort __iomem *datp = &immap->im_ioport.iop_pddat;
117 return ((in_be16(datp) >> (15 - iopin->pin)) & 1) ^ 1;
122 static inline void iopin_set_out(iopin_t *iopin)
124 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
126 if (iopin->port == IOPIN_PORTA) {
127 ushort __iomem *dirp = &immap->im_ioport.iop_padir;
129 setbits_be16(dirp, 1 << (15 - iopin->pin));
130 } else if (iopin->port == IOPIN_PORTB) {
131 uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
133 setbits_be32(dirp, 1 << (31 - iopin->pin));
134 } else if (iopin->port == IOPIN_PORTC) {
135 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
137 setbits_be16(dirp, 1 << (15 - iopin->pin));
138 } else if (iopin->port == IOPIN_PORTD) {
139 ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
141 setbits_be16(dirp, 1 << (15 - iopin->pin));
145 static inline void iopin_set_in(iopin_t *iopin)
147 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
149 if (iopin->port == IOPIN_PORTA) {
150 ushort __iomem *dirp = &immap->im_ioport.iop_padir;
152 clrbits_be16(dirp, 1 << (15 - iopin->pin));
153 } else if (iopin->port == IOPIN_PORTB) {
154 uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
156 clrbits_be32(dirp, 1 << (31 - iopin->pin));
157 } else if (iopin->port == IOPIN_PORTC) {
158 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
160 clrbits_be16(dirp, 1 << (15 - iopin->pin));
161 } else if (iopin->port == IOPIN_PORTD) {
162 ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
164 clrbits_be16(dirp, 1 << (15 - iopin->pin));
168 static inline uint iopin_is_out(iopin_t *iopin)
170 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
172 if (iopin->port == IOPIN_PORTA) {
173 ushort __iomem *dirp = &immap->im_ioport.iop_padir;
175 return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
176 } else if (iopin->port == IOPIN_PORTB) {
177 uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
179 return (in_be32(dirp) >> (31 - iopin->pin)) & 1;
180 } else if (iopin->port == IOPIN_PORTC) {
181 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
183 return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
184 } else if (iopin->port == IOPIN_PORTD) {
185 ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
187 return (in_be16(dirp) >> (15 - iopin->pin)) & 1;
192 static inline uint iopin_is_in(iopin_t *iopin)
194 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
196 if (iopin->port == IOPIN_PORTA) {
197 ushort __iomem *dirp = &immap->im_ioport.iop_padir;
199 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
200 } else if (iopin->port == IOPIN_PORTB) {
201 uint __iomem *dirp = &immap->im_cpm.cp_pbdir;
203 return ((in_be32(dirp) >> (31 - iopin->pin)) & 1) ^ 1;
204 } else if (iopin->port == IOPIN_PORTC) {
205 ushort __iomem *dirp = &immap->im_ioport.iop_pcdir;
207 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
208 } else if (iopin->port == IOPIN_PORTD) {
209 ushort __iomem *dirp = &immap->im_ioport.iop_pddir;
211 return ((in_be16(dirp) >> (15 - iopin->pin)) & 1) ^ 1;
216 static inline void iopin_set_odr(iopin_t *iopin)
218 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
220 if (iopin->port == IOPIN_PORTA) {
221 ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
223 setbits_be16(odrp, 1 << (15 - iopin->pin));
224 } else if (iopin->port == IOPIN_PORTB) {
225 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
227 setbits_be16(odrp, 1 << (31 - iopin->pin));
231 static inline void iopin_set_act(iopin_t *iopin)
233 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
235 if (iopin->port == IOPIN_PORTA) {
236 ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
238 clrbits_be16(odrp, 1 << (15 - iopin->pin));
239 } else if (iopin->port == IOPIN_PORTB) {
240 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
242 clrbits_be16(odrp, 1 << (31 - iopin->pin));
246 static inline uint iopin_is_odr(iopin_t *iopin)
248 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
250 if (iopin->port == IOPIN_PORTA) {
251 ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
253 return (in_be16(odrp) >> (15 - iopin->pin)) & 1;
254 } else if (iopin->port == IOPIN_PORTB) {
255 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
257 return (in_be16(odrp) >> (31 - iopin->pin)) & 1;
262 static inline uint iopin_is_act(iopin_t *iopin)
264 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
266 if (iopin->port == IOPIN_PORTA) {
267 ushort __iomem *odrp = &immap->im_ioport.iop_paodr;
269 return ((in_be16(odrp) >> (15 - iopin->pin)) & 1) ^ 1;
270 } else if (iopin->port == IOPIN_PORTB) {
271 ushort __iomem *odrp = &immap->im_cpm.cp_pbodr;
273 return ((in_be16(odrp) >> (31 - iopin->pin)) & 1) ^ 1;
278 static inline void iopin_set_ded(iopin_t *iopin)
280 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
282 if (iopin->port == IOPIN_PORTA) {
283 ushort __iomem *parp = &immap->im_ioport.iop_papar;
285 setbits_be16(parp, 1 << (15 - iopin->pin));
286 } else if (iopin->port == IOPIN_PORTB) {
287 uint __iomem *parp = &immap->im_cpm.cp_pbpar;
289 setbits_be32(parp, 1 << (31 - iopin->pin));
290 } else if (iopin->port == IOPIN_PORTC) {
291 ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
293 setbits_be16(parp, 1 << (15 - iopin->pin));
294 } else if (iopin->port == IOPIN_PORTD) {
295 ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
297 setbits_be16(parp, 1 << (15 - iopin->pin));
301 static inline void iopin_set_gen(iopin_t *iopin)
303 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
305 if (iopin->port == IOPIN_PORTA) {
306 ushort __iomem *parp = &immap->im_ioport.iop_papar;
308 clrbits_be16(parp, 1 << (15 - iopin->pin));
309 } else if (iopin->port == IOPIN_PORTB) {
310 uint __iomem *parp = &immap->im_cpm.cp_pbpar;
312 clrbits_be32(parp, 1 << (31 - iopin->pin));
313 } else if (iopin->port == IOPIN_PORTC) {
314 ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
316 clrbits_be16(parp, 1 << (15 - iopin->pin));
317 } else if (iopin->port == IOPIN_PORTD) {
318 ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
320 clrbits_be16(parp, 1 << (15 - iopin->pin));
324 static inline uint iopin_is_ded(iopin_t *iopin)
326 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
328 if (iopin->port == IOPIN_PORTA) {
329 ushort __iomem *parp = &immap->im_ioport.iop_papar;
331 return (in_be16(parp) >> (15 - iopin->pin)) & 1;
332 } else if (iopin->port == IOPIN_PORTB) {
333 uint __iomem *parp = &immap->im_cpm.cp_pbpar;
335 return (in_be32(parp) >> (31 - iopin->pin)) & 1;
336 } else if (iopin->port == IOPIN_PORTC) {
337 ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
339 return (in_be16(parp) >> (15 - iopin->pin)) & 1;
340 } else if (iopin->port == IOPIN_PORTD) {
341 ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
343 return (in_be16(parp) >> (15 - iopin->pin)) & 1;
348 static inline uint iopin_is_gen(iopin_t *iopin)
350 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
352 if (iopin->port == IOPIN_PORTA) {
353 ushort __iomem *parp = &immap->im_ioport.iop_papar;
355 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
356 } else if (iopin->port == IOPIN_PORTB) {
357 uint __iomem *parp = &immap->im_cpm.cp_pbpar;
359 return ((in_be32(parp) >> (31 - iopin->pin)) & 1) ^ 1;
360 } else if (iopin->port == IOPIN_PORTC) {
361 ushort __iomem *parp = &immap->im_ioport.iop_pcpar;
363 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
364 } else if (iopin->port == IOPIN_PORTD) {
365 ushort __iomem *parp = &immap->im_ioport.iop_pdpar;
367 return ((in_be16(parp) >> (15 - iopin->pin)) & 1) ^ 1;
372 static inline void iopin_set_opt2(iopin_t *iopin)
374 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
376 if (iopin->port == IOPIN_PORTC) {
377 ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
379 setbits_be16(sorp, 1 << (15 - iopin->pin));
383 static inline void iopin_set_opt1(iopin_t *iopin)
385 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
387 if (iopin->port == IOPIN_PORTC) {
388 ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
390 clrbits_be16(sorp, 1 << (15 - iopin->pin));
394 static inline uint iopin_is_opt2(iopin_t *iopin)
396 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
398 if (iopin->port == IOPIN_PORTC) {
399 ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
401 return (in_be16(sorp) >> (15 - iopin->pin)) & 1;
406 static inline uint iopin_is_opt1(iopin_t *iopin)
408 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
410 if (iopin->port == IOPIN_PORTC) {
411 ushort __iomem *sorp = &immap->im_ioport.iop_pcso;
413 return ((in_be16(sorp) >> (15 - iopin->pin)) & 1) ^ 1;
418 static inline void iopin_set_falledge(iopin_t *iopin)
420 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
422 if (iopin->port == IOPIN_PORTC) {
423 ushort __iomem *intp = &immap->im_ioport.iop_pcint;
425 setbits_be16(intp, 1 << (15 - iopin->pin));
429 static inline void iopin_set_anyedge(iopin_t *iopin)
431 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
433 if (iopin->port == IOPIN_PORTC) {
434 ushort __iomem *intp = &immap->im_ioport.iop_pcint;
436 clrbits_be16(intp, 1 << (15 - iopin->pin));
440 static inline uint iopin_is_falledge(iopin_t *iopin)
442 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
444 if (iopin->port == IOPIN_PORTC) {
445 ushort __iomem *intp = &immap->im_ioport.iop_pcint;
447 return (in_be16(intp) >> (15 - iopin->pin)) & 1;
452 static inline uint iopin_is_anyedge(iopin_t *iopin)
454 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
456 if (iopin->port == IOPIN_PORTC) {
457 ushort __iomem *intp = &immap->im_ioport.iop_pcint;
459 return ((in_be16(intp) >> (15 - iopin->pin)) & 1) ^ 1;
464 #endif /* __KERNEL__ */
466 #endif /* _ASM_IOPIN_8XX_H_ */