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Fixed tools/env utilities
[u-boot-openmoko/mini2440.git] / board / netta2 / netta2.c
blobb216c5a8eff229ed504bebaf8e3caa0f131fd0b9
1 /*
2 * (C) Copyright 2000-2004
3 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.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 /*
26 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
27 * U-Boot port on NetTA4 board
28 */
29
30 #include <common.h>
31 #include <miiphy.h>
32
33 #include "mpc8xx.h"
34
35 #ifdef CONFIG_HW_WATCHDOG
36 #include <watchdog.h>
37 #endif
38
39 int fec8xx_miiphy_read(char *devname, unsigned char addr,
40 unsigned char reg, unsigned short *value);
41 int fec8xx_miiphy_write(char *devname, unsigned char addr,
42 unsigned char reg, unsigned short value);
43
44 /****************************************************************/
45
46 /* some sane bit macros */
47 #define _BD(_b) (1U << (31-(_b)))
48 #define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
49
50 #define _BW(_b) (1U << (15-(_b)))
51 #define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
52
53 #define _BB(_b) (1U << (7-(_b)))
54 #define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
55
56 #define _B(_b) _BD(_b)
57 #define _BR(_l, _h) _BDR(_l, _h)
58
59 /****************************************************************/
60
61 /*
62 * Check Board Identity:
63 *
64 * Return 1 always.
65 */
66
67 int checkboard(void)
68 {
69 printf ("Intracom NetTA2 V%d\n", CONFIG_NETTA2_VERSION);
70 return (0);
71 }
72
73 /****************************************************************/
74
75 #define _NOT_USED_ 0xFFFFFFFF
76
77 /****************************************************************/
78
79 #define CS_0000 0x00000000
80 #define CS_0001 0x10000000
81 #define CS_0010 0x20000000
82 #define CS_0011 0x30000000
83 #define CS_0100 0x40000000
84 #define CS_0101 0x50000000
85 #define CS_0110 0x60000000
86 #define CS_0111 0x70000000
87 #define CS_1000 0x80000000
88 #define CS_1001 0x90000000
89 #define CS_1010 0xA0000000
90 #define CS_1011 0xB0000000
91 #define CS_1100 0xC0000000
92 #define CS_1101 0xD0000000
93 #define CS_1110 0xE0000000
94 #define CS_1111 0xF0000000
95
96 #define BS_0000 0x00000000
97 #define BS_0001 0x01000000
98 #define BS_0010 0x02000000
99 #define BS_0011 0x03000000
100 #define BS_0100 0x04000000
101 #define BS_0101 0x05000000
102 #define BS_0110 0x06000000
103 #define BS_0111 0x07000000
104 #define BS_1000 0x08000000
105 #define BS_1001 0x09000000
106 #define BS_1010 0x0A000000
107 #define BS_1011 0x0B000000
108 #define BS_1100 0x0C000000
109 #define BS_1101 0x0D000000
110 #define BS_1110 0x0E000000
111 #define BS_1111 0x0F000000
112
113 #define GPL0_AAAA 0x00000000
114 #define GPL0_AAA0 0x00200000
115 #define GPL0_AAA1 0x00300000
116 #define GPL0_000A 0x00800000
117 #define GPL0_0000 0x00A00000
118 #define GPL0_0001 0x00B00000
119 #define GPL0_111A 0x00C00000
120 #define GPL0_1110 0x00E00000
121 #define GPL0_1111 0x00F00000
122
123 #define GPL1_0000 0x00000000
124 #define GPL1_0001 0x00040000
125 #define GPL1_1110 0x00080000
126 #define GPL1_1111 0x000C0000
127
128 #define GPL2_0000 0x00000000
129 #define GPL2_0001 0x00010000
130 #define GPL2_1110 0x00020000
131 #define GPL2_1111 0x00030000
132
133 #define GPL3_0000 0x00000000
134 #define GPL3_0001 0x00004000
135 #define GPL3_1110 0x00008000
136 #define GPL3_1111 0x0000C000
137
138 #define GPL4_0000 0x00000000
139 #define GPL4_0001 0x00001000
140 #define GPL4_1110 0x00002000
141 #define GPL4_1111 0x00003000
142
143 #define GPL5_0000 0x00000000
144 #define GPL5_0001 0x00000400
145 #define GPL5_1110 0x00000800
146 #define GPL5_1111 0x00000C00
147 #define LOOP 0x00000080
148
149 #define EXEN 0x00000040
150
151 #define AMX_COL 0x00000000
152 #define AMX_ROW 0x00000020
153 #define AMX_MAR 0x00000030
154
155 #define NA 0x00000008
156
157 #define UTA 0x00000004
158
159 #define TODT 0x00000002
160
161 #define LAST 0x00000001
162
163 #define A10_AAAA GPL0_AAAA
164 #define A10_AAA0 GPL0_AAA0
165 #define A10_AAA1 GPL0_AAA1
166 #define A10_000A GPL0_000A
167 #define A10_0000 GPL0_0000
168 #define A10_0001 GPL0_0001
169 #define A10_111A GPL0_111A
170 #define A10_1110 GPL0_1110
171 #define A10_1111 GPL0_1111
172
173 #define RAS_0000 GPL1_0000
174 #define RAS_0001 GPL1_0001
175 #define RAS_1110 GPL1_1110
176 #define RAS_1111 GPL1_1111
177
178 #define CAS_0000 GPL2_0000
179 #define CAS_0001 GPL2_0001
180 #define CAS_1110 GPL2_1110
181 #define CAS_1111 GPL2_1111
182
183 #define WE_0000 GPL3_0000
184 #define WE_0001 GPL3_0001
185 #define WE_1110 GPL3_1110
186 #define WE_1111 GPL3_1111
187
188 /* #define CAS_LATENCY 3 */
189 #define CAS_LATENCY 2
190
191 const uint sdram_table[0x40] = {
192
193 #if CAS_LATENCY == 3
194 /* RSS */
195 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
196 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
197 CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
198 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
199 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
200 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
201 _NOT_USED_, _NOT_USED_,
202
203 /* RBS */
204 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
205 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
206 CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
207 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
208 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
209 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
210 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL, /* PALL */
211 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST, /* NOP */
212 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
213 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
214
215 /* WSS */
216 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
217 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
218 CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
219 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
220 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
221 _NOT_USED_, _NOT_USED_, _NOT_USED_,
222
223 /* WBS */
224 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
225 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
226 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL, /* WRITE */
227 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
228 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
229 CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
230 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
231 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
232 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
233 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
234 _NOT_USED_, _NOT_USED_, _NOT_USED_,
235 #endif
236
237 #if CAS_LATENCY == 2
238 /* RSS */
239 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
240 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
241 CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
242 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
243 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
244 _NOT_USED_,
245 _NOT_USED_, _NOT_USED_,
246
247 /* RBS */
248 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
249 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
250 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
251 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
252 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
253 CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
254 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
255 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
256 _NOT_USED_,
257 _NOT_USED_, _NOT_USED_, _NOT_USED_,
258 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
259
260 /* WSS */
261 CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
262 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
263 CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
264 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
265 _NOT_USED_,
266 _NOT_USED_, _NOT_USED_,
267 _NOT_USED_,
268
269 /* WBS */
270 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
271 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
272 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL, /* WRITE */
273 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
274 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
275 CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA, /* NOP */
276 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
277 _NOT_USED_,
278 _NOT_USED_, _NOT_USED_, _NOT_USED_,
279 _NOT_USED_, _NOT_USED_, _NOT_USED_,
280 _NOT_USED_, _NOT_USED_,
281
282 #endif
283
284 /* UPT */
285 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP, /* ATRFR */
286 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
287 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
288 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
289 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP, /* NOP */
290 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
291 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
292 _NOT_USED_, _NOT_USED_,
293
294 /* EXC */
295 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST,
296 _NOT_USED_,
297
298 /* REG */
299 CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA,
300 CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST,
301 };
302
303 #if CONFIG_NETTA2_VERSION == 2
304 static const uint nandcs_table[0x40] = {
305 /* RSS */
306 CS_1000 | GPL4_1111 | GPL5_1111 | UTA,
307 CS_0000 | GPL4_1110 | GPL5_1111 | UTA,
308 CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
309 CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
310 CS_0000 | GPL4_0000 | GPL5_1111,
311 CS_0000 | GPL4_0001 | GPL5_1111 | UTA,
312 CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
313 CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, /* NOP */
314
315 /* RBS */
316 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
317 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
318 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
319 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
320
321 /* WSS */
322 CS_1000 | GPL4_1111 | GPL5_1110 | UTA,
323 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
324 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
325 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
326 CS_0000 | GPL4_1111 | GPL5_0001 | UTA,
327 CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
328 CS_0000 | GPL4_1111 | GPL5_1111,
329 CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST,
330
331 /* WBS */
332 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
333 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
334 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
335 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
336
337 /* UPT */
338 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
339 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
340 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
341
342 /* EXC */
343 CS_0001 | LAST,
344 _NOT_USED_,
345
346 /* REG */
347 CS_1110 ,
348 CS_0001 | LAST,
349 };
350 #endif
351
352 /* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
353 /* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
354 #define MAR_SDRAM_INIT ((CAS_LATENCY << 6) | 0x00000008LU)
355
356 /* 8 */
357 #define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
358 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
359 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
360
361 void check_ram(unsigned int addr, unsigned int size)
362 {
363 unsigned int i, j, v, vv;
364 volatile unsigned int *p;
365 unsigned int pv;
366
367 p = (unsigned int *)addr;
368 pv = (unsigned int)p;
369 for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
370 *p++ = pv;
371
372 p = (unsigned int *)addr;
373 for (i = 0; i < size / sizeof(unsigned int); i++) {
374 v = (unsigned int)p;
375 vv = *p;
376 if (vv != v) {
377 printf("%p: read %08x instead of %08x\n", p, vv, v);
378 hang();
379 }
380 p++;
381 }
382
383 for (j = 0; j < 5; j++) {
384 switch (j) {
385 case 0: v = 0x00000000; break;
386 case 1: v = 0xffffffff; break;
387 case 2: v = 0x55555555; break;
388 case 3: v = 0xaaaaaaaa; break;
389 default:v = 0xdeadbeef; break;
390 }
391 p = (unsigned int *)addr;
392 for (i = 0; i < size / sizeof(unsigned int); i++) {
393 *p = v;
394 vv = *p;
395 if (vv != v) {
396 printf("%p: read %08x instead of %08x\n", p, vv, v);
397 hang();
398 }
399 *p = ~v;
400 p++;
401 }
402 }
403 }
404
405 long int initdram(int board_type)
406 {
407 volatile immap_t *immap = (immap_t *) CFG_IMMR;
408 volatile memctl8xx_t *memctl = &immap->im_memctl;
409 long int size;
410
411 upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(sdram_table[0]));
412
413 /*
414 * Preliminary prescaler for refresh
415 */
416 memctl->memc_mptpr = MPTPR_PTP_DIV8;
417
418 memctl->memc_mar = MAR_SDRAM_INIT; /* 32-bit address to be output on the address bus if AMX = 0b11 */
419
420 /*
421 * Map controller bank 3 to the SDRAM bank at preliminary address.
422 */
423 memctl->memc_or3 = CFG_OR3_PRELIM;
424 memctl->memc_br3 = CFG_BR3_PRELIM;
425
426 memctl->memc_mbmr = CFG_MAMR & ~MAMR_PTAE; /* no refresh yet */
427
428 udelay(200);
429
430 /* perform SDRAM initialisation sequence */
431 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C); /* precharge all */
432 udelay(1);
433
434 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30); /* refresh 2 times(0) */
435 udelay(1);
436
437 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E); /* exception program (write mar)*/
438 udelay(1);
439
440 memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
441
442 udelay(10000);
443
444 {
445 u32 d1, d2;
446
447 d1 = 0xAA55AA55;
448 *(volatile u32 *)0 = d1;
449 d2 = *(volatile u32 *)0;
450 if (d1 != d2) {
451 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
452 hang();
453 }
454
455 d1 = 0x55AA55AA;
456 *(volatile u32 *)0 = d1;
457 d2 = *(volatile u32 *)0;
458 if (d1 != d2) {
459 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
460 hang();
461 }
462 }
463
464 size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
465
466 if (size == 0) {
467 printf("SIZE is zero: LOOP on 0\n");
468 for (;;) {
469 *(volatile u32 *)0 = 0;
470 (void)*(volatile u32 *)0;
471 }
472 }
473
474 return size;
475 }
476
477 /* ------------------------------------------------------------------------- */
478
479 void reset_phys(void)
480 {
481 int phyno;
482 unsigned short v;
483
484 udelay(10000);
485 /* reset the damn phys */
486 mii_init();
487
488 for (phyno = 0; phyno < 32; ++phyno) {
489 fec8xx_miiphy_read(NULL, phyno, PHY_PHYIDR1, &v);
490 if (v == 0xFFFF)
491 continue;
492 fec8xx_miiphy_write(NULL, phyno, PHY_BMCR, PHY_BMCR_POWD);
493 udelay(10000);
494 fec8xx_miiphy_write(NULL, phyno, PHY_BMCR,
495 PHY_BMCR_RESET | PHY_BMCR_AUTON);
496 udelay(10000);
497 }
498 }
499
500 /* ------------------------------------------------------------------------- */
501
502 /* GP = general purpose, SP = special purpose (on chip peripheral) */
503
504 /* bits that can have a special purpose or can be configured as inputs/outputs */
505 #define PA_GP_INMASK 0
506 #define PA_GP_OUTMASK (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15))
507 #define PA_SP_MASK 0
508 #define PA_ODR_VAL 0
509 #define PA_GP_OUTVAL (_BW(3) | _BW(14) | _BW(15))
510 #define PA_SP_DIRVAL 0
511
512 #define PB_GP_INMASK _B(28)
513 #define PB_GP_OUTMASK (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30))
514 #define PB_SP_MASK (_BR(22, 25))
515 #define PB_ODR_VAL 0
516 #define PB_GP_OUTVAL (_B(26) | _B(27) | _B(29) | _B(30))
517 #define PB_SP_DIRVAL 0
518
519 #if CONFIG_NETTA2_VERSION == 1
520 #define PC_GP_INMASK _BW(12)
521 #define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(13) | _BW(15))
522 #elif CONFIG_NETTA2_VERSION == 2
523 #define PC_GP_INMASK (_BW(13) | _BW(15))
524 #define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(12))
525 #endif
526 #define PC_SP_MASK 0
527 #define PC_SOVAL 0
528 #define PC_INTVAL 0
529 #define PC_GP_OUTVAL (_BW(10) | _BW(11))
530 #define PC_SP_DIRVAL 0
531
532 #if CONFIG_NETTA2_VERSION == 1
533 #define PE_GP_INMASK _B(31)
534 #define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30))
535 #define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27) | _B(28))
536 #elif CONFIG_NETTA2_VERSION == 2
537 #define PE_GP_INMASK _BR(28, 31)
538 #define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27))
539 #define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27))
540 #endif
541 #define PE_SP_MASK 0
542 #define PE_ODR_VAL 0
543 #define PE_SP_DIRVAL 0
544
545 int board_early_init_f(void)
546 {
547 volatile immap_t *immap = (immap_t *) CFG_IMMR;
548 volatile iop8xx_t *ioport = &immap->im_ioport;
549 volatile cpm8xx_t *cpm = &immap->im_cpm;
550 volatile memctl8xx_t *memctl = &immap->im_memctl;
551
552 /* NAND chip select */
553 #if CONFIG_NETTA2_VERSION == 1
554 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX);
555 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
556 #elif CONFIG_NETTA2_VERSION == 2
557 upmconfig(UPMA, (uint *) nandcs_table, sizeof(nandcs_table) / sizeof(nandcs_table[0]));
558 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_G5LS);
559 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V | BR_MS_UPMA);
560 memctl->memc_mamr = 0; /* all clear */
561 #endif
562
563 /* DSP chip select */
564 memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX);
565 memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
566
567 #if CONFIG_NETTA2_VERSION == 1
568 memctl->memc_br4 &= ~BR_V;
569 #endif
570 memctl->memc_br5 &= ~BR_V;
571 memctl->memc_br6 &= ~BR_V;
572 memctl->memc_br7 &= ~BR_V;
573
574 ioport->iop_padat = PA_GP_OUTVAL;
575 ioport->iop_paodr = PA_ODR_VAL;
576 ioport->iop_padir = PA_GP_OUTMASK | PA_SP_DIRVAL;
577 ioport->iop_papar = PA_SP_MASK;
578
579 cpm->cp_pbdat = PB_GP_OUTVAL;
580 cpm->cp_pbodr = PB_ODR_VAL;
581 cpm->cp_pbdir = PB_GP_OUTMASK | PB_SP_DIRVAL;
582 cpm->cp_pbpar = PB_SP_MASK;
583
584 ioport->iop_pcdat = PC_GP_OUTVAL;
585 ioport->iop_pcdir = PC_GP_OUTMASK | PC_SP_DIRVAL;
586 ioport->iop_pcso = PC_SOVAL;
587 ioport->iop_pcint = PC_INTVAL;
588 ioport->iop_pcpar = PC_SP_MASK;
589
590 cpm->cp_pedat = PE_GP_OUTVAL;
591 cpm->cp_peodr = PE_ODR_VAL;
592 cpm->cp_pedir = PE_GP_OUTMASK | PE_SP_DIRVAL;
593 cpm->cp_pepar = PE_SP_MASK;
594
595 return 0;
596 }
597
598 #if defined(CONFIG_CMD_NAND)
599
600 #include <linux/mtd/nand_legacy.h>
601
602 extern ulong nand_probe(ulong physadr);
603 extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
604
605 void nand_init(void)
606 {
607 unsigned long totlen;
608
609 totlen = nand_probe(CFG_NAND_BASE);
610 printf ("%4lu MB\n", totlen >> 20);
611 }
612 #endif
613
614 #ifdef CONFIG_HW_WATCHDOG
615
616 void hw_watchdog_reset(void)
617 {
618 /* XXX add here the really funky stuff */
619 }
620
621 #endif
622
623 #ifdef CONFIG_SHOW_ACTIVITY
624
625 /* called from timer interrupt every 1/CFG_HZ sec */
626 void board_show_activity(ulong timestamp)
627 {
628 }
629
630 /* called when looping */
631 void show_activity(int arg)
632 {
633 }
634
635 #endif
636
637 #if defined(CFG_CONSOLE_IS_IN_ENV) && defined(CFG_CONSOLE_OVERWRITE_ROUTINE)
638 int overwrite_console(void)
639 {
640 /* printf("overwrite_console called\n"); */
641 return 0;
642 }
643 #endif
644
645 extern int drv_phone_init(void);
646 extern int drv_phone_use_me(void);
647 extern int drv_phone_is_idle(void);
648
649 int misc_init_r(void)
650 {
651 return 0;
652 }
653
654 int last_stage_init(void)
655 {
656 #if CONFIG_NETTA2_VERSION == 2
657 int i;
658 #endif
659
660 #if CONFIG_NETTA2_VERSION == 2
661 /* assert peripheral reset */
662 ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat &= ~_BW(12);
663 for (i = 0; i < 10; i++)
664 udelay(1000);
665 ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat |= _BW(12);
666 #endif
667 reset_phys();
668
669 return 0;
670 }
Fork of the u-boot for for Samsung based MINI2440 board