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gerrit.cesnet.cz / github / trini / u-boot / 023889838282b6237b401664f22dd22dfba2c066 / . / board / rsdproto / rsdproto.c
blob: bf4fd5305f90af973b6daccb6be62ffa3e250288 [file] [log] [blame]
wdenkfe8c2802002-11-03 00:38:21 +0000[diff] [blame]1/*
2 * (C) Copyright 2000
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#include <common.h>
26#include <ioports.h>
27#include <mpc8260.h>
28#include <i2c.h>
29
30/* define to initialise the SDRAM on the local bus */
31#undef INIT_LOCAL_BUS_SDRAM
32
33/* I2C Bus adresses for PPC & Protocol board */
34#define PPC8260_I2C_ADR 0x30 /*(0)011.0000 */
35#define LM84_PPC_I2C_ADR 0x2A /*(0)010.1010 */
36#define LM84_SHARC_I2C_ADR 0x29 /*(0)010.1001 */
37#define VIRTEX_I2C_ADR 0x25 /*(0)010.0101 */
38#define X24645_PPC_I2C_ADR 0x00 /*(0)00X.XXXX -> be careful ! No other i2c-chip should have an adress beginning with (0)00 !!! */
39#define RS5C372_PPC_I2C_ADR 0x32 /*(0)011.0010 -> this adress is programmed by the manufacturer and cannot be changed !!! */
40
41/*
42 * I/O Port configuration table
43 *
44 * if conf is 1, then that port pin will be configured at boot time
45 * according to the five values podr/pdir/ppar/psor/pdat for that entry
46 */
47
48const iop_conf_t iop_conf_tab[4][32] = {
49
50 /* Port A configuration */
51 { /* conf ppar psor pdir podr pdat */
52 /* PA31 */ { 0, 0, 0, 0, 0, 0 },
53 /* PA30 */ { 0, 0, 0, 0, 0, 0 },
54 /* PA29 */ { 0, 0, 0, 0, 0, 0 },
55 /* PA28 */ { 0, 0, 0, 0, 0, 0 },
56 /* PA27 */ { 0, 0, 0, 0, 0, 0 },
57 /* PA26 */ { 0, 0, 0, 0, 0, 0 },
58 /* PA25 */ { 0, 0, 0, 0, 0, 0 },
59 /* PA24 */ { 0, 0, 0, 0, 0, 0 },
60 /* PA23 */ { 0, 0, 0, 0, 0, 0 },
61 /* PA22 */ { 0, 0, 0, 0, 0, 0 },
62 /* PA21 */ { 0, 0, 0, 0, 0, 0 },
63 /* PA20 */ { 0, 0, 0, 0, 0, 0 },
64 /* PA19 */ { 0, 0, 0, 0, 0, 0 },
65 /* PA18 */ { 0, 0, 0, 0, 0, 0 },
66 /* PA17 */ { 0, 0, 0, 0, 0, 0 },
67 /* PA16 */ { 0, 0, 0, 0, 0, 0 },
68 /* PA15 */ { 0, 0, 0, 0, 0, 0 },
69 /* PA14 */ { 0, 0, 0, 0, 0, 0 },
70 /* PA13 */ { 0, 0, 0, 0, 0, 0 },
71 /* PA12 */ { 0, 0, 0, 0, 0, 0 },
72 /* PA11 */ { 0, 0, 0, 0, 0, 0 },
73 /* PA10 */ { 0, 0, 0, 0, 0, 0 },
74 /* PA9 */ { 0, 0, 0, 0, 0, 0 },
75 /* PA8 */ { 0, 0, 0, 0, 0, 0 },
76 /* PA7 */ { 0, 0, 0, 0, 0, 0 },
77 /* PA6 */ { 0, 0, 0, 0, 0, 0 },
78 /* PA5 */ { 0, 0, 0, 0, 0, 0 },
79 /* PA4 */ { 0, 0, 0, 0, 0, 0 },
80 /* PA3 */ { 0, 0, 0, 0, 0, 0 },
81 /* PA2 */ { 0, 0, 0, 0, 0, 0 },
82 /* PA1 */ { 0, 0, 0, 0, 0, 0 },
83 /* PA0 */ { 0, 0, 0, 0, 0, 0 }
84 },
85
86
87 { /* conf ppar psor pdir podr pdat */
88 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
89 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
90 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
91 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
92 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
93 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
94 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
95 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
96 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
97 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
98 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
99 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
100 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
101 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
102 /* PB17 */ { 0, 0, 0, 0, 0, 0 },
103 /* PB16 */ { 0, 0, 0, 0, 0, 0 },
104 /* PB15 */ { 0, 0, 0, 0, 0, 0 },
105 /* PB14 */ { 0, 0, 0, 0, 0, 0 },
106 /* PB13 */ { 0, 0, 0, 0, 0, 0 },
107 /* PB12 */ { 0, 0, 0, 0, 0, 0 },
108 /* PB11 */ { 0, 0, 0, 0, 0, 0 },
109 /* PB10 */ { 0, 0, 0, 0, 0, 0 },
110 /* PB9 */ { 0, 0, 0, 0, 0, 0 },
111 /* PB8 */ { 0, 0, 0, 0, 0, 0 },
112 /* PB7 */ { 0, 0, 0, 0, 0, 0 },
113 /* PB6 */ { 0, 0, 0, 0, 0, 0 },
114 /* PB5 */ { 0, 0, 0, 0, 0, 0 },
115 /* PB4 */ { 0, 0, 0, 0, 0, 0 },
116 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
117 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
118 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
119 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
120 },
121
122
123 { /* conf ppar psor pdir podr pdat */
124 /* PC31 */ { 0, 0, 0, 0, 0, 0 },
125 /* PC30 */ { 0, 0, 0, 0, 0, 0 },
126 /* PC29 */ { 0, 0, 0, 0, 0, 0 },
127 /* PC28 */ { 0, 0, 0, 0, 0, 0 },
128 /* PC27 */ { 0, 0, 0, 0, 0, 0 },
129 /* PC26 */ { 0, 0, 0, 0, 0, 0 },
130 /* PC25 */ { 0, 0, 0, 0, 0, 0 },
131 /* PC24 */ { 0, 0, 0, 0, 0, 0 },
132 /* PC23 */ { 0, 0, 0, 0, 0, 0 },
133 /* PC22 */ { 0, 0, 0, 0, 0, 0 },
134 /* PC21 */ { 0, 0, 0, 0, 0, 0 },
135 /* PC20 */ { 0, 0, 0, 0, 0, 0 },
136 /* PC19 */ { 1, 1, 0, 0, 0, 0 },
137 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* ETHRXCLK: CLK14 */
138 /* PC17 */ { 0, 0, 0, 0, 0, 0 }, /* ETHTXCLK: CLK15 */
139 /* PC16 */ { 0, 0, 0, 0, 0, 0 },
140 /* PC15 */ { 0, 0, 0, 0, 0, 0 },
141 /* PC14 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART CD/ */
142 /* PC13 */ { 0, 0, 0, 0, 0, 0 },
143 /* PC12 */ { 0, 0, 0, 0, 0, 0 },
144 /* PC11 */ { 0, 0, 0, 0, 0, 0 },
145 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDC: GP */
146 /* PC9 */ { 1, 0, 0, 1, 0, 0 }, /* ETHMDIO: GP */
147 /* PC8 */ { 0, 0, 0, 0, 0, 0 },
148 /* PC7 */ { 0, 0, 0, 0, 0, 0 },
149 /* PC6 */ { 0, 0, 0, 0, 0, 0 },
150 /* PC5 */ { 0, 0, 0, 0, 0, 0 },
151 /* PC4 */ { 0, 0, 0, 0, 0, 0 },
152 /* PC3 */ { 0, 0, 0, 0, 0, 0 },
153 /* PC2 */ { 0, 0, 0, 0, 0, 0 },
154 /* PC1 */ { 0, 0, 0, 0, 0, 0 },
155 /* PC0 */ { 0, 0, 0, 0, 0, 0 }
156 },
157
158
159 { /* conf ppar psor pdir podr pdat */
160 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 UART RxD */
161 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 UART TxD */
162 /* PD29 */ { 0, 0, 0, 0, 0, 0 },
163 /* PD28 */ { 0, 0, 0, 0, 0, 0 },
164 /* PD27 */ { 0, 0, 0, 0, 0, 0 },
165 /* PD26 */ { 0, 0, 0, 0, 0, 0 },
166 /* PD25 */ { 0, 0, 0, 0, 0, 0 },
167 /* PD24 */ { 0, 0, 0, 0, 0, 0 },
168 /* PD23 */ { 0, 0, 0, 0, 0, 0 },
169 /* PD22 */ { 0, 0, 0, 0, 0, 0 },
170 /* PD21 */ { 0, 0, 0, 0, 0, 0 },
171 /* PD20 */ { 0, 0, 0, 0, 0, 0 },
172 /* PD19 */ { 0, 0, 0, 0, 0, 0 },
173 /* PD18 */ { 0, 0, 0, 0, 0, 0 },
174 /* PD17 */ { 0, 0, 0, 0, 0, 0 },
175 /* PD16 */ { 0, 0, 0, 0, 0, 0 },
176 /* PD15 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SDA */
177 /* PD14 */ { 1, 1, 1, 0, 1, 0 }, /* I2C SCL */
178 /* PD13 */ { 0, 0, 0, 0, 0, 0 },
179 /* PD12 */ { 0, 0, 0, 0, 0, 0 },
180 /* PD11 */ { 0, 0, 0, 0, 0, 0 },
181 /* PD10 */ { 0, 0, 0, 0, 0, 0 },
182 /* PD9 */ { 0, 0, 0, 0, 0, 0 },
183 /* PD8 */ { 0, 0, 0, 0, 0, 0 },
184 /* PD7 */ { 0, 0, 0, 0, 0, 0 },
185 /* PD6 */ { 0, 0, 0, 0, 0, 0 },
186 /* PD5 */ { 0, 0, 0, 0, 0, 0 },
187 /* PD4 */ { 0, 0, 0, 0, 0, 0 },
188 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
189 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
190 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
191 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
192 }
193};
194
195/* ------------------------------------------------------------------------- */
196
197struct tm {
198 unsigned int tm_sec;
199 unsigned int tm_min;
200 unsigned int tm_hour;
201 unsigned int tm_wday;
202 unsigned int tm_mday;
203 unsigned int tm_mon;
204 unsigned int tm_year;
205};
206
207void read_RS5C372_time (struct tm *timedate)
208{
209 unsigned char buffer[8];
210
211#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
212
213 if (i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) {
214 timedate->tm_sec = BCD_TO_BIN (buffer[0]);
215 timedate->tm_min = BCD_TO_BIN (buffer[1]);
216 timedate->tm_hour = BCD_TO_BIN (buffer[2]);
217 timedate->tm_wday = BCD_TO_BIN (buffer[3]);
218 timedate->tm_mday = BCD_TO_BIN (buffer[4]);
219 timedate->tm_mon = BCD_TO_BIN (buffer[5]);
220 timedate->tm_year = BCD_TO_BIN (buffer[6]) + 2000;
221 } else {
222 /*printf("i2c error %02x\n", rc); */
223 memset (timedate, 0, sizeof (struct tm));
224 }
225}
226
227/* ------------------------------------------------------------------------- */
228
229int read_LM84_temp (int address)
230{
231 unsigned char buffer[8];
232 /*int rc;*/
233
234 if (i2c_read (address, 0, 1, buffer, 1)) {
235 return (int) buffer[0];
236 } else {
237 /*printf("i2c error %02x\n", rc); */
238 return -42;
239 }
240}
241
242/* ------------------------------------------------------------------------- */
243
244/*
245 * Check Board Identity:
246 */
247
248int checkboard (void)
249{
250 struct tm timedate;
251 unsigned int ppctemp, prottemp;
252
253 puts ("Board: Rohde & Schwarz 8260 Protocol Board\n");
254
255 /* initialise i2c */
256 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
257
258 read_RS5C372_time (&timedate);
259 printf (" Time: %02d:%02d:%02d\n",
260 timedate.tm_hour, timedate.tm_min, timedate.tm_sec);
261 printf (" Date: %02d-%02d-%04d\n",
262 timedate.tm_mday, timedate.tm_mon, timedate.tm_year);
263 ppctemp = read_LM84_temp (LM84_PPC_I2C_ADR);
264 prottemp = read_LM84_temp (LM84_SHARC_I2C_ADR);
265 printf (" Temp: PPC %d C, Protocol Board %d C\n",
266 ppctemp, prottemp);
267
268 return 0;
269}
270
271/* ------------------------------------------------------------------------- */
272
273/*
274 * Miscelaneous platform dependent initialisations while still
275 * running in flash
276 */
277
278int misc_init_f (void)
279{
280 return 0;
281}
282
283/* ------------------------------------------------------------------------- */
284
285long int initdram (int board_type)
286{
287 volatile immap_t *immap = (immap_t *) CFG_IMMR;
288 volatile memctl8260_t *memctl = &immap->im_memctl;
289
290#ifdef INIT_LOCAL_BUS_SDRAM
291 volatile uchar *ramaddr8;
292#endif
293 volatile ulong *ramaddr32;
294 ulong sdmr;
295 int i;
296
297 /*
298 * Only initialize SDRAM when running from FLASH.
299 * When running from RAM, don't touch it.
300 */
301 if ((ulong) initdram & 0xff000000) {
302 immap->im_siu_conf.sc_ppc_acr = 0x02;
303 immap->im_siu_conf.sc_ppc_alrh = 0x01267893;
304 immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF;
305 immap->im_siu_conf.sc_lcl_acr = 0x02;
306 immap->im_siu_conf.sc_lcl_alrh = 0x01234567;
307 immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF;
308 /*
309 * Program local/60x bus Transfer Error Status and Control Regs:
310 * Disable parity errors
311 */
312 immap->im_siu_conf.sc_tescr1 = 0x00040000;
313 immap->im_siu_conf.sc_ltescr1 = 0x00040000;
314
315 /*
316 * Perform Power-Up Initialisation of SDRAM (see 8260 UM, 10.4.2)
317 *
318 * The appropriate BRx/ORx registers have already
319 * been set when we get here (see cpu_init_f). The
320 * SDRAM can be accessed at the address CFG_SDRAM_BASE.
321 */
322 memctl->memc_mptpr = 0x2000;
323 memctl->memc_mar = 0x0200;
324#ifdef INIT_LOCAL_BUS_SDRAM
325 /* initialise local bus ram
326 *
327 * (using the PSRMR_ definitions is NOT an error here
328 * - the LSDMR has the same fields as the PSDMR!)
329 */
330 memctl->memc_lsrt = 0x0b;
331 memctl->memc_lurt = 0x00;
332 ramaddr = (uchar *) PHYS_SDRAM_LOCAL;
333 sdmr = CFG_LSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI);
334 memctl->memc_lsdmr = sdmr | PSDMR_OP_PREA;
335 *ramaddr = 0xff;
336 for (i = 0; i < 8; i++) {
337 memctl->memc_lsdmr = sdmr | PSDMR_OP_CBRR;
338 *ramaddr = 0xff;
339 }
340 memctl->memc_lsdmr = sdmr | PSDMR_OP_MRW;
341 *ramaddr = 0xff;
342 memctl->memc_lsdmr = CFG_LSDMR | PSDMR_OP_NORM;
343#endif
344 /* initialise 60x bus ram */
345 memctl->memc_psrt = 0x0b;
346 memctl->memc_purt = 0x08;
347 ramaddr32 = (ulong *) PHYS_SDRAM_60X;
348 sdmr = CFG_PSDMR & ~(PSDMR_OP_MSK | PSDMR_RFEN | PSDMR_PBI);
349 memctl->memc_psdmr = sdmr | PSDMR_OP_PREA;
350 ramaddr32[0] = 0x00ff00ff;
351 ramaddr32[1] = 0x00ff00ff;
352 memctl->memc_psdmr = sdmr | PSDMR_OP_CBRR;
353 for (i = 0; i < 8; i++) {
354 ramaddr32[0] = 0x00ff00ff;
355 ramaddr32[1] = 0x00ff00ff;
356 }
357 memctl->memc_psdmr = sdmr | PSDMR_OP_MRW;
358 ramaddr32[0] = 0x00ff00ff;
359 ramaddr32[1] = 0x00ff00ff;
360 memctl->memc_psdmr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
361 }
362
363 /* return the size of the 60x bus ram */
364 return PHYS_SDRAM_60X_SIZE;
365}
366
367/* ------------------------------------------------------------------------- */
368
369/*
370 * Miscelaneous platform dependent initialisations after monitor
371 * has been relocated into ram
372 */
373
374int misc_init_r (void)
375{
376 printf ("misc_init_r\n");
377 return (0);
378}