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c609719b WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <mpc8xx.h> | |
26 | #include <asm/8xx_immap.h> | |
27 | #include "ioport.h" | |
28 | ||
29 | #if 0 | |
30 | #define IOPORT_DEBUG | |
31 | #endif | |
32 | ||
33 | #ifdef IOPORT_DEBUG | |
34 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
35 | #else | |
36 | #define PRINTF(fmt,args...) | |
37 | #endif | |
38 | ||
39 | /* | |
40 | * The ioport configuration table. | |
41 | */ | |
42 | const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = { | |
43 | /* | |
44 | * Port A configuration | |
7aa78614 | 45 | * Pin Signal Type Active Initial state |
53677ef1 WD |
46 | * PA7 fpgaProgramLowOut Out Low High |
47 | * PA1 fpgaCoreVoltageFailLow In Low N/A | |
c609719b | 48 | */ |
53677ef1 | 49 | { /* conf ppar psor pdir podr pdat pint function */ |
c609719b WD |
50 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* No pin */ |
51 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* No pin */ | |
52 | /* PA15 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
53 | /* PA14 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
54 | /* PA13 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
55 | /* PA12 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
56 | /* PA11 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
57 | /* PA10 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
58 | /* PA9 */ { 1, 0, 0, 1, 0, 0, 0 }, /* grn bicolor LED 1*/ | |
59 | /* PA8 */ { 1, 0, 0, 1, 0, 0, 0 }, /* red bicolor LED 1*/ | |
60 | /* PA7 */ { 1, 0, 0, 1, 0, 1, 0 }, /* fpgaProgramLow */ | |
61 | /* PA6 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
62 | /* PA5 */ { 1, 0, 0, 1, 0, 0, 0 }, /* grn bicolor LED 0*/ | |
63 | /* PA4 */ { 1, 0, 0, 1, 0, 0, 0 }, /* red bicolor LED 0*/ | |
64 | /* PA3 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
65 | /* PA2 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
7aa78614 WD |
66 | #if !defined(CONFIG_SC) |
67 | /* PA1 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaCoreVoltageFail*/ | |
68 | #else | |
c609719b | 69 | /* PA1 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
7aa78614 | 70 | #endif |
c609719b WD |
71 | /* PA0 */ { 0, 0, 0, 0, 0, 0, 0 } /* */ |
72 | }, | |
73 | ||
74 | /* | |
7aa78614 | 75 | * Port B configuration |
c609719b WD |
76 | * Pin Signal Type Active Initial state |
77 | * PB14 docBusyLowIn In Low X | |
78 | * PB15 gpio1Sig Out High Low | |
79 | * PB16 fpgaDoneBi In High X | |
7aa78614 | 80 | * PB17 swBitOkLowOut Out Low High |
c609719b WD |
81 | * PB19 speakerVolSig Out/Hi-Z High/Low High (Hi-Z) |
82 | * PB22 fpgaInitLowBi In Low X | |
83 | * PB23 batteryOkSig In High X | |
7aa78614 WD |
84 | * PB31 pulseCatcherClr Out High 0 |
85 | */ | |
53677ef1 | 86 | { /* conf ppar psor pdir podr pdat pint function */ |
7aa78614 WD |
87 | #if !defined(CONFIG_SC) |
88 | /* PB31 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
89 | #else | |
90 | /* PB31 */ { 1, 0, 0, 1, 0, 0, 0 }, /* pulseCatcherClr */ | |
91 | #endif | |
c609719b WD |
92 | /* PB30 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
93 | /* PB29 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
94 | /* PB28 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
95 | /* PB27 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
96 | /* PB26 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
97 | /* PB25 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
98 | /* PB24 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
7aa78614 | 99 | #if !defined(CONFIG_SC) |
c609719b | 100 | /* PB23 */ { 1, 0, 0, 0, 0, 0, 0 }, /* batteryOk */ |
7aa78614 WD |
101 | #else |
102 | /* PB23 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
103 | #endif | |
c609719b WD |
104 | /* PB22 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaInitLowBi */ |
105 | /* PB21 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
106 | /* PB20 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
7aa78614 | 107 | #if !defined(CONFIG_SC) |
c609719b | 108 | /* PB19 */ { 1, 0, 0, 1, 1, 1, 0 }, /* speakerVol */ |
7aa78614 WD |
109 | #else |
110 | /* PB19 */ { 0, 0, 0, 1, 1, 1, 0 }, /* */ | |
111 | #endif | |
c609719b | 112 | /* PB18 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
7aa78614 | 113 | /* PB17 */ { 1, 0, 0, 1, 0, 1, 0 }, /* swBitOkLow */ |
c609719b WD |
114 | /* PB16 */ { 1, 0, 0, 0, 0, 0, 0 }, /* fpgaDone */ |
115 | /* PB15 */ { 1, 0, 0, 1, 0, 0, 0 }, /* gpio1 */ | |
7aa78614 | 116 | #if !defined(CONFIG_SC) |
c609719b | 117 | /* PB14 */ { 1, 0, 0, 0, 0, 0, 0 } /* docBusyLow */ |
7aa78614 | 118 | #else |
53677ef1 | 119 | /* PB14 */ { 0, 0, 0, 0, 0, 0, 0 } /* */ |
7aa78614 WD |
120 | #endif |
121 | }, | |
c609719b WD |
122 | |
123 | /* | |
7aa78614 | 124 | * Port C configuration |
c609719b WD |
125 | * Pin Signal Type Active Initial state |
126 | * PC4 i2cBus1EnSig Out High High | |
127 | * PC5 i2cBus2EnSig Out High High | |
128 | * PC6 gpio0Sig Out High Low | |
129 | * PC8 i2cBus3EnSig Out High High | |
130 | * PC10 i2cBus4EnSig Out High High | |
131 | * PC11 fpgaResetLowOut Out Low High | |
132 | * PC12 systemBitOkIn In High X | |
133 | * PC15 selfDreqLow In Low X | |
134 | */ | |
53677ef1 | 135 | { /* conf ppar psor pdir podr pdat pint function */ |
c609719b WD |
136 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
137 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
138 | /* PC15 */ { 1, 0, 0, 0, 0, 0, 0 }, /* selfDreqLowIn */ | |
139 | /* PC14 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
140 | /* PC13 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
7aa78614 | 141 | #if !defined(CONFIG_SC) |
c609719b | 142 | /* PC12 */ { 1, 0, 0, 0, 0, 0, 0 }, /* systemBitOkIn */ |
7aa78614 | 143 | #else |
53677ef1 | 144 | /* PC12 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
7aa78614 | 145 | #endif |
c609719b | 146 | /* PC11 */ { 1, 0, 0, 1, 0, 1, 0 }, /* fpgaResetLowOut */ |
7aa78614 | 147 | #if !defined(CONFIG_SC) |
c609719b | 148 | /* PC10 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus4EnSig */ |
7aa78614 WD |
149 | #else |
150 | /* PC10 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ | |
151 | #endif | |
c609719b | 152 | /* PC9 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
7aa78614 | 153 | #if !defined(CONFIG_SC) |
c609719b | 154 | /* PC8 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus3EnSig */ |
7aa78614 WD |
155 | #else |
156 | /* PC8 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ | |
157 | #endif | |
c609719b WD |
158 | /* PC7 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
159 | /* PC6 */ { 1, 0, 0, 1, 0, 1, 0 }, /* gpio0 */ | |
7aa78614 | 160 | #if !defined(CONFIG_SC) |
c609719b WD |
161 | /* PC5 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus2EnSig */ |
162 | /* PC4 */ { 1, 0, 0, 1, 0, 1, 0 }, /* i2cBus1EnSig */ | |
7aa78614 WD |
163 | #else |
164 | /* PC5 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ | |
165 | /* PC4 */ { 0, 0, 0, 1, 0, 1, 0 }, /* */ | |
166 | #endif | |
c609719b WD |
167 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
168 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
169 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
170 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 } /* */ | |
7aa78614 | 171 | }, |
c609719b | 172 | |
7aa78614 WD |
173 | /* |
174 | * Port D configuration | |
175 | */ | |
53677ef1 | 176 | { /* conf ppar psor pdir podr pdat pint function */ |
c609719b WD |
177 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ |
178 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
179 | /* PD15 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
180 | /* PD14 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
181 | /* PD13 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
182 | /* PD12 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
183 | /* PD11 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
184 | /* PD10 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
185 | /* PD9 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
186 | /* PD8 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
187 | /* PD7 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
188 | /* PD6 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
189 | /* PD5 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
190 | /* PD4 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
191 | /* PD3 */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
192 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
193 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 }, /* */ | |
194 | /* N/A */ { 0, 0, 0, 0, 0, 0, 0 } /* */ | |
7aa78614 | 195 | } |
c609719b WD |
196 | }; |
197 | ||
198 | /* | |
199 | * Configure the MPC8XX I/O ports per the ioport configuration table | |
a47a12be | 200 | * (taken from ./arch/powerpc/cpu/mpc8260/cpu_init.c) |
c609719b | 201 | */ |
bf9e3b38 | 202 | void config_mpc8xx_ioports (volatile immap_t * immr) |
c609719b | 203 | { |
bf9e3b38 | 204 | int portnum; |
c609719b | 205 | |
bf9e3b38 | 206 | for (portnum = 0; portnum < NUM_PORTS; portnum++) { |
c609719b WD |
207 | uint pmsk = 0, ppar = 0, psor = 0, pdir = 0; |
208 | uint podr = 0, pdat = 0, pint = 0; | |
209 | uint msk = 1; | |
bf9e3b38 WD |
210 | mpc8xx_iop_conf_t *iopc = |
211 | (mpc8xx_iop_conf_t *) & iop_conf_tab[portnum][0]; | |
c609719b WD |
212 | mpc8xx_iop_conf_t *eiopc = iopc + PORT_BITS; |
213 | ||
214 | /* | |
215 | * For all ports except port B, ignore the two don't care entries | |
216 | * in the configuration tables. | |
217 | */ | |
218 | if (portnum != 1) { | |
bf9e3b38 WD |
219 | iopc = (mpc8xx_iop_conf_t *) & |
220 | iop_conf_tab[portnum][2]; | |
c609719b WD |
221 | } |
222 | ||
223 | /* | |
224 | * NOTE: index 0 refers to pin 17, index 17 refers to pin 0 | |
225 | */ | |
226 | while (iopc < eiopc) { | |
bf9e3b38 | 227 | if (iopc->conf) { |
c609719b | 228 | pmsk |= msk; |
bf9e3b38 WD |
229 | if (iopc->ppar) |
230 | ppar |= msk; | |
231 | if (iopc->psor) | |
232 | psor |= msk; | |
233 | if (iopc->pdir) | |
234 | pdir |= msk; | |
235 | if (iopc->podr) | |
236 | podr |= msk; | |
237 | if (iopc->pdat) | |
238 | pdat |= msk; | |
239 | if (iopc->pint) | |
240 | pint |= msk; | |
241 | } | |
242 | msk <<= 1; | |
243 | iopc++; | |
c609719b WD |
244 | } |
245 | ||
bf9e3b38 WD |
246 | PRINTF ("%s:%d:\n portnum=%d ", __FUNCTION__, __LINE__, |
247 | portnum); | |
c609719b | 248 | #ifdef IOPORT_DEBUG |
bf9e3b38 WD |
249 | switch (portnum) { |
250 | case 0: | |
251 | printf ("(A)\n"); | |
252 | break; | |
253 | case 1: | |
254 | printf ("(B)\n"); | |
255 | break; | |
256 | case 2: | |
257 | printf ("(C)\n"); | |
258 | break; | |
259 | case 3: | |
260 | printf ("(D)\n"); | |
261 | break; | |
262 | default: | |
263 | printf ("(?)\n"); | |
264 | break; | |
c609719b WD |
265 | } |
266 | #endif | |
bf9e3b38 WD |
267 | PRINTF (" ppar=0x%.8x pdir=0x%.8x podr=0x%.8x\n" |
268 | " pdat=0x%.8x psor=0x%.8x pint=0x%.8x pmsk=0x%.8x\n", | |
269 | ppar, pdir, podr, pdat, psor, pint, pmsk); | |
c609719b WD |
270 | |
271 | /* | |
272 | * Have to handle the ioports on a port-by-port basis since there | |
273 | * are three different flavors. | |
274 | */ | |
275 | if (pmsk != 0) { | |
bf9e3b38 | 276 | uint tpmsk = ~pmsk; |
c609719b | 277 | |
bf9e3b38 WD |
278 | if (0 == portnum) { /* port A */ |
279 | immr->im_ioport.iop_papar &= tpmsk; | |
280 | immr->im_ioport.iop_padat = | |
281 | (immr->im_ioport. | |
282 | iop_padat & tpmsk) | pdat; | |
283 | immr->im_ioport.iop_padir = | |
284 | (immr->im_ioport. | |
285 | iop_padir & tpmsk) | pdir; | |
286 | immr->im_ioport.iop_paodr = | |
287 | (immr->im_ioport. | |
288 | iop_paodr & tpmsk) | podr; | |
289 | immr->im_ioport.iop_papar |= ppar; | |
290 | } else if (1 == portnum) { /* port B */ | |
291 | immr->im_cpm.cp_pbpar &= tpmsk; | |
292 | immr->im_cpm.cp_pbdat = | |
293 | (immr->im_cpm. | |
294 | cp_pbdat & tpmsk) | pdat; | |
295 | immr->im_cpm.cp_pbdir = | |
296 | (immr->im_cpm. | |
297 | cp_pbdir & tpmsk) | pdir; | |
298 | immr->im_cpm.cp_pbodr = | |
299 | (immr->im_cpm. | |
300 | cp_pbodr & tpmsk) | podr; | |
301 | immr->im_cpm.cp_pbpar |= ppar; | |
302 | } else if (2 == portnum) { /* port C */ | |
303 | immr->im_ioport.iop_pcpar &= tpmsk; | |
304 | immr->im_ioport.iop_pcdat = | |
305 | (immr->im_ioport. | |
306 | iop_pcdat & tpmsk) | pdat; | |
307 | immr->im_ioport.iop_pcdir = | |
308 | (immr->im_ioport. | |
309 | iop_pcdir & tpmsk) | pdir; | |
310 | immr->im_ioport.iop_pcint = | |
311 | (immr->im_ioport. | |
312 | iop_pcint & tpmsk) | pint; | |
313 | immr->im_ioport.iop_pcso = | |
314 | (immr->im_ioport. | |
315 | iop_pcso & tpmsk) | psor; | |
316 | immr->im_ioport.iop_pcpar |= ppar; | |
317 | } else if (3 == portnum) { /* port D */ | |
318 | immr->im_ioport.iop_pdpar &= tpmsk; | |
319 | immr->im_ioport.iop_pddat = | |
320 | (immr->im_ioport. | |
321 | iop_pddat & tpmsk) | pdat; | |
322 | immr->im_ioport.iop_pddir = | |
323 | (immr->im_ioport. | |
324 | iop_pddir & tpmsk) | pdir; | |
325 | immr->im_ioport.iop_pdpar |= ppar; | |
c609719b WD |
326 | } |
327 | } | |
bf9e3b38 | 328 | } |
c609719b | 329 | |
bf9e3b38 WD |
330 | PRINTF ("%s:%d: Port A:\n papar=0x%.4x padir=0x%.4x" |
331 | " paodr=0x%.4x\n padat=0x%.4x\n", __FUNCTION__, __LINE__, | |
332 | immr->im_ioport.iop_papar, immr->im_ioport.iop_padir, | |
333 | immr->im_ioport.iop_paodr, immr->im_ioport.iop_padat); | |
334 | PRINTF ("%s:%d: Port B:\n pbpar=0x%.8x pbdir=0x%.8x" | |
335 | " pbodr=0x%.8x\n pbdat=0x%.8x\n", __FUNCTION__, __LINE__, | |
336 | immr->im_cpm.cp_pbpar, immr->im_cpm.cp_pbdir, | |
337 | immr->im_cpm.cp_pbodr, immr->im_cpm.cp_pbdat); | |
338 | PRINTF ("%s:%d: Port C:\n pcpar=0x%.4x pcdir=0x%.4x" | |
339 | " pcdat=0x%.4x\n pcso=0x%.4x pcint=0x%.4x\n ", | |
340 | __FUNCTION__, __LINE__, immr->im_ioport.iop_pcpar, | |
341 | immr->im_ioport.iop_pcdir, immr->im_ioport.iop_pcdat, | |
342 | immr->im_ioport.iop_pcso, immr->im_ioport.iop_pcint); | |
343 | PRINTF ("%s:%d: Port D:\n pdpar=0x%.4x pddir=0x%.4x" | |
344 | " pddat=0x%.4x\n", __FUNCTION__, __LINE__, | |
345 | immr->im_ioport.iop_pdpar, immr->im_ioport.iop_pddir, | |
346 | immr->im_ioport.iop_pddat); | |
c609719b | 347 | } |