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[thirdparty/u-boot.git] / board / netta2 / netta2.c
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79fa88f3
WD		 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 *
1a459660 6 * SPDX-License-Identifier: GPL-2.0+
79fa88f3
WD		 7 */
8
9/*
10 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
11 * U-Boot port on NetTA4 board
12 */
13
14#include <common.h>
15#include <miiphy.h>
16
17#include "mpc8xx.h"
18
19#ifdef CONFIG_HW_WATCHDOG
20#include <watchdog.h>
21#endif
22
63ff004c
MB		 23int fec8xx_miiphy_read(char *devname, unsigned char addr,
24 unsigned char reg, unsigned short *value);
25int fec8xx_miiphy_write(char *devname, unsigned char addr,
26 unsigned char reg, unsigned short value);
27
79fa88f3
WD		 28/****************************************************************/
29
30/* some sane bit macros */
31#define _BD(_b) (1U << (31-(_b)))
32#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
33
34#define _BW(_b) (1U << (15-(_b)))
35#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
36
37#define _BB(_b) (1U << (7-(_b)))
38#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
39
40#define _B(_b) _BD(_b)
41#define _BR(_l, _h) _BDR(_l, _h)
42
43/****************************************************************/
44
45/*
46 * Check Board Identity:
47 *
48 * Return 1 always.
49 */
50
51int checkboard(void)
52{
53 printf ("Intracom NetTA2 V%d\n", CONFIG_NETTA2_VERSION);
54 return (0);
55}
56
57/****************************************************************/
58
59#define _NOT_USED_ 0xFFFFFFFF
60
61/****************************************************************/
62
63#define CS_0000 0x00000000
64#define CS_0001 0x10000000
65#define CS_0010 0x20000000
66#define CS_0011 0x30000000
67#define CS_0100 0x40000000
68#define CS_0101 0x50000000
69#define CS_0110 0x60000000
70#define CS_0111 0x70000000
71#define CS_1000 0x80000000
72#define CS_1001 0x90000000
73#define CS_1010 0xA0000000
74#define CS_1011 0xB0000000
75#define CS_1100 0xC0000000
76#define CS_1101 0xD0000000
77#define CS_1110 0xE0000000
78#define CS_1111 0xF0000000
79
80#define BS_0000 0x00000000
81#define BS_0001 0x01000000
82#define BS_0010 0x02000000
83#define BS_0011 0x03000000
84#define BS_0100 0x04000000
85#define BS_0101 0x05000000
86#define BS_0110 0x06000000
87#define BS_0111 0x07000000
88#define BS_1000 0x08000000
89#define BS_1001 0x09000000
90#define BS_1010 0x0A000000
91#define BS_1011 0x0B000000
92#define BS_1100 0x0C000000
93#define BS_1101 0x0D000000
94#define BS_1110 0x0E000000
95#define BS_1111 0x0F000000
96
97#define GPL0_AAAA 0x00000000
98#define GPL0_AAA0 0x00200000
99#define GPL0_AAA1 0x00300000
100#define GPL0_000A 0x00800000
101#define GPL0_0000 0x00A00000
102#define GPL0_0001 0x00B00000
103#define GPL0_111A 0x00C00000
104#define GPL0_1110 0x00E00000
105#define GPL0_1111 0x00F00000
106
107#define GPL1_0000 0x00000000
108#define GPL1_0001 0x00040000
109#define GPL1_1110 0x00080000
110#define GPL1_1111 0x000C0000
111
112#define GPL2_0000 0x00000000
113#define GPL2_0001 0x00010000
114#define GPL2_1110 0x00020000
115#define GPL2_1111 0x00030000
116
117#define GPL3_0000 0x00000000
118#define GPL3_0001 0x00004000
119#define GPL3_1110 0x00008000
120#define GPL3_1111 0x0000C000
121
122#define GPL4_0000 0x00000000
123#define GPL4_0001 0x00001000
124#define GPL4_1110 0x00002000
125#define GPL4_1111 0x00003000
126
127#define GPL5_0000 0x00000000
128#define GPL5_0001 0x00000400
129#define GPL5_1110 0x00000800
130#define GPL5_1111 0x00000C00
131#define LOOP 0x00000080
132
133#define EXEN 0x00000040
134
135#define AMX_COL 0x00000000
136#define AMX_ROW 0x00000020
137#define AMX_MAR 0x00000030
138
139#define NA 0x00000008
140
141#define UTA 0x00000004
142
143#define TODT 0x00000002
144
145#define LAST 0x00000001
146
147#define A10_AAAA GPL0_AAAA
148#define A10_AAA0 GPL0_AAA0
149#define A10_AAA1 GPL0_AAA1
150#define A10_000A GPL0_000A
151#define A10_0000 GPL0_0000
152#define A10_0001 GPL0_0001
153#define A10_111A GPL0_111A
154#define A10_1110 GPL0_1110
155#define A10_1111 GPL0_1111
156
157#define RAS_0000 GPL1_0000
158#define RAS_0001 GPL1_0001
159#define RAS_1110 GPL1_1110
160#define RAS_1111 GPL1_1111
161
162#define CAS_0000 GPL2_0000
163#define CAS_0001 GPL2_0001
164#define CAS_1110 GPL2_1110
165#define CAS_1111 GPL2_1111
166
167#define WE_0000 GPL3_0000
168#define WE_0001 GPL3_0001
169#define WE_1110 GPL3_1110
170#define WE_1111 GPL3_1111
171
172/* #define CAS_LATENCY 3 */
173#define CAS_LATENCY 2
174
175const uint sdram_table[0x40] = {
176
177#if CAS_LATENCY == 3
178 /* RSS */
179 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
180 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
181 CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
182 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
183 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
184 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
185 _NOT_USED_, _NOT_USED_,
186
187 /* RBS */
188 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
189 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
190 CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
191 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
192 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
193 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
194 CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL, /* PALL */
195 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST, /* NOP */
196 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
197 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
198
199 /* WSS */
200 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
201 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
202 CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
203 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
204 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
205 _NOT_USED_, _NOT_USED_, _NOT_USED_,
206
207 /* WBS */
208 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
209 CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
210 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL, /* WRITE */
211 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
212 CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
213 CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
214 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
215 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
216 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
217 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
218 _NOT_USED_, _NOT_USED_, _NOT_USED_,
219#endif
220
221#if CAS_LATENCY == 2
222 /* RSS */
223 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
224 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
225 CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
226 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
227 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
228 _NOT_USED_,
229 _NOT_USED_, _NOT_USED_,
230
231 /* RBS */
232 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
233 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
234 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
235 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
236 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
237 CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
238 CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
239 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
240 _NOT_USED_,
241 _NOT_USED_, _NOT_USED_, _NOT_USED_,
242 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
243
244 /* WSS */
245 CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
246 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
247 CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
248 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
249 _NOT_USED_,
250 _NOT_USED_, _NOT_USED_,
251 _NOT_USED_,
252
253 /* WBS */
254 CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
255 CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
256 CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL, /* WRITE */
257 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
258 CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
259 CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA, /* NOP */
260 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
261 _NOT_USED_,
262 _NOT_USED_, _NOT_USED_, _NOT_USED_,
263 _NOT_USED_, _NOT_USED_, _NOT_USED_,
264 _NOT_USED_, _NOT_USED_,
265
266#endif
267
268 /* UPT */
269 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP, /* ATRFR */
270 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
271 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
272 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
273 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP, /* NOP */
274 CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
275 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
276 _NOT_USED_, _NOT_USED_,
277
278 /* EXC */
279 CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST,
280 _NOT_USED_,
281
282 /* REG */
283 CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA,
284 CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST,
285};
286
287#if CONFIG_NETTA2_VERSION == 2
288static const uint nandcs_table[0x40] = {
289 /* RSS */
290 CS_1000 | GPL4_1111 | GPL5_1111 | UTA,
291 CS_0000 | GPL4_1110 | GPL5_1111 | UTA,
292 CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
293 CS_0000 | GPL4_0000 | GPL5_1111 | UTA,
294 CS_0000 | GPL4_0000 | GPL5_1111,
295 CS_0000 | GPL4_0001 | GPL5_1111 | UTA,
296 CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
297 CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, /* NOP */
298
299 /* RBS */
300 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
301 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
302 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
303 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
304
305 /* WSS */
306 CS_1000 | GPL4_1111 | GPL5_1110 | UTA,
307 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
308 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
309 CS_0000 | GPL4_1111 | GPL5_0000 | UTA,
310 CS_0000 | GPL4_1111 | GPL5_0001 | UTA,
311 CS_0000 | GPL4_1111 | GPL5_1111 | UTA,
312 CS_0000 | GPL4_1111 | GPL5_1111,
313 CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST,
314
315 /* WBS */
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 /* UPT */
322 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
323 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
324 _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
325
326 /* EXC */
327 CS_0001 | LAST,
328 _NOT_USED_,
329
330 /* REG */
331 CS_1110 ,
332 CS_0001 | LAST,
333};
334#endif
335
336/* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
337/* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
338#define MAR_SDRAM_INIT ((CAS_LATENCY << 6) | 0x00000008LU)
339
340/* 8 */
6d0f6bcf 341#define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
79fa88f3
WD		 342 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
343 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
344
345void check_ram(unsigned int addr, unsigned int size)
346{
347 unsigned int i, j, v, vv;
348 volatile unsigned int *p;
349 unsigned int pv;
350
351 p = (unsigned int *)addr;
352 pv = (unsigned int)p;
353 for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
354 *p++ = pv;
355
356 p = (unsigned int *)addr;
357 for (i = 0; i < size / sizeof(unsigned int); i++) {
358 v = (unsigned int)p;
359 vv = *p;
360 if (vv != v) {
361 printf("%p: read %08x instead of %08x\n", p, vv, v);
362 hang();
363 }
364 p++;
365 }
366
367 for (j = 0; j < 5; j++) {
368 switch (j) {
369 case 0: v = 0x00000000; break;
370 case 1: v = 0xffffffff; break;
371 case 2: v = 0x55555555; break;
372 case 3: v = 0xaaaaaaaa; break;
373 default:v = 0xdeadbeef; break;
374 }
375 p = (unsigned int *)addr;
376 for (i = 0; i < size / sizeof(unsigned int); i++) {
377 *p = v;
378 vv = *p;
379 if (vv != v) {
380 printf("%p: read %08x instead of %08x\n", p, vv, v);
381 hang();
382 }
383 *p = ~v;
384 p++;
385 }
386 }
387}
388
9973e3c6 389phys_size_t initdram(int board_type)
79fa88f3 390{
6d0f6bcf 391 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
79fa88f3
WD		 392 volatile memctl8xx_t *memctl = &immap->im_memctl;
393 long int size;
394
395 upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(sdram_table[0]));
396
397 /*
398 * Preliminary prescaler for refresh
399 */
400 memctl->memc_mptpr = MPTPR_PTP_DIV8;
401
402 memctl->memc_mar = MAR_SDRAM_INIT; /* 32-bit address to be output on the address bus if AMX = 0b11 */
403
404 /*
405 * Map controller bank 3 to the SDRAM bank at preliminary address.
406 */
6d0f6bcf
JCPV		 407 memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
408 memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
79fa88f3 409
6d0f6bcf 410 memctl->memc_mbmr = CONFIG_SYS_MAMR & ~MAMR_PTAE; /* no refresh yet */
79fa88f3
WD		 411
412 udelay(200);
413
414 /* perform SDRAM initialisation sequence */
415 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C); /* precharge all */
416 udelay(1);
417
418 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30); /* refresh 2 times(0) */
419 udelay(1);
420
421 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E); /* exception program (write mar)*/
422 udelay(1);
423
424 memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
425
426 udelay(10000);
427
428 {
429 u32 d1, d2;
430
431 d1 = 0xAA55AA55;
432 *(volatile u32 *)0 = d1;
433 d2 = *(volatile u32 *)0;
434 if (d1 != d2) {
435 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
436 hang();
437 }
438
439 d1 = 0x55AA55AA;
440 *(volatile u32 *)0 = d1;
441 d2 = *(volatile u32 *)0;
442 if (d1 != d2) {
443 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
444 hang();
445 }
446 }
447
448 size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
449
450 if (size == 0) {
451 printf("SIZE is zero: LOOP on 0\n");
452 for (;;) {
453 *(volatile u32 *)0 = 0;
454 (void)*(volatile u32 *)0;
455 }
456 }
457
458 return size;
459}
460
461/* ------------------------------------------------------------------------- */
462
463void reset_phys(void)
464{
465 int phyno;
466 unsigned short v;
467
468 udelay(10000);
469 /* reset the damn phys */
470 mii_init();
471
472 for (phyno = 0; phyno < 32; ++phyno) {
8ef583a0 473 fec8xx_miiphy_read(NULL, phyno, MII_PHYSID1, &v);
79fa88f3
WD		 474 if (v == 0xFFFF)
475 continue;
8ef583a0 476 fec8xx_miiphy_write(NULL, phyno, MII_BMCR, BMCR_PDOWN);
79fa88f3 477 udelay(10000);
8ef583a0
MF		 478 fec8xx_miiphy_write(NULL, phyno, MII_BMCR,
479 BMCR_RESET | BMCR_ANENABLE);
79fa88f3
WD		 480 udelay(10000);
481 }
482}
483
484/* ------------------------------------------------------------------------- */
485
486/* GP = general purpose, SP = special purpose (on chip peripheral) */
487
488/* bits that can have a special purpose or can be configured as inputs/outputs */
489#define PA_GP_INMASK 0
490#define PA_GP_OUTMASK (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15))
491#define PA_SP_MASK 0
492#define PA_ODR_VAL 0
493#define PA_GP_OUTVAL (_BW(3) | _BW(14) | _BW(15))
494#define PA_SP_DIRVAL 0
495
496#define PB_GP_INMASK _B(28)
497#define PB_GP_OUTMASK (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30))
498#define PB_SP_MASK (_BR(22, 25))
499#define PB_ODR_VAL 0
500#define PB_GP_OUTVAL (_B(26) | _B(27) | _B(29) | _B(30))
501#define PB_SP_DIRVAL 0
502
503#if CONFIG_NETTA2_VERSION == 1
504#define PC_GP_INMASK _BW(12)
505#define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(13) | _BW(15))
506#elif CONFIG_NETTA2_VERSION == 2
507#define PC_GP_INMASK (_BW(13) | _BW(15))
508#define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(12))
509#endif
510#define PC_SP_MASK 0
511#define PC_SOVAL 0
512#define PC_INTVAL 0
513#define PC_GP_OUTVAL (_BW(10) | _BW(11))
514#define PC_SP_DIRVAL 0
515
516#if CONFIG_NETTA2_VERSION == 1
517#define PE_GP_INMASK _B(31)
518#define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30))
519#define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27) | _B(28))
520#elif CONFIG_NETTA2_VERSION == 2
521#define PE_GP_INMASK _BR(28, 31)
522#define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27))
523#define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27))
524#endif
525#define PE_SP_MASK 0
526#define PE_ODR_VAL 0
527#define PE_SP_DIRVAL 0
528
529int board_early_init_f(void)
530{
6d0f6bcf 531 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
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WD		 532 volatile iop8xx_t *ioport = &immap->im_ioport;
533 volatile cpm8xx_t *cpm = &immap->im_cpm;
534 volatile memctl8xx_t *memctl = &immap->im_memctl;
535
536 /* NAND chip select */
537#if CONFIG_NETTA2_VERSION == 1
538 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX);
539 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
540#elif CONFIG_NETTA2_VERSION == 2
541 upmconfig(UPMA, (uint *) nandcs_table, sizeof(nandcs_table) / sizeof(nandcs_table[0]));
542 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_G5LS);
543 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V | BR_MS_UPMA);
544 memctl->memc_mamr = 0; /* all clear */
545#endif
546
547 /* DSP chip select */
548 memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX);
549 memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
550
551#if CONFIG_NETTA2_VERSION == 1
552 memctl->memc_br4 &= ~BR_V;
553#endif
554 memctl->memc_br5 &= ~BR_V;
555 memctl->memc_br6 &= ~BR_V;
556 memctl->memc_br7 &= ~BR_V;
557
558 ioport->iop_padat = PA_GP_OUTVAL;
559 ioport->iop_paodr = PA_ODR_VAL;
560 ioport->iop_padir = PA_GP_OUTMASK | PA_SP_DIRVAL;
561 ioport->iop_papar = PA_SP_MASK;
562
563 cpm->cp_pbdat = PB_GP_OUTVAL;
564 cpm->cp_pbodr = PB_ODR_VAL;
565 cpm->cp_pbdir = PB_GP_OUTMASK | PB_SP_DIRVAL;
566 cpm->cp_pbpar = PB_SP_MASK;
567
568 ioport->iop_pcdat = PC_GP_OUTVAL;
569 ioport->iop_pcdir = PC_GP_OUTMASK | PC_SP_DIRVAL;
570 ioport->iop_pcso = PC_SOVAL;
571 ioport->iop_pcint = PC_INTVAL;
572 ioport->iop_pcpar = PC_SP_MASK;
573
574 cpm->cp_pedat = PE_GP_OUTVAL;
575 cpm->cp_peodr = PE_ODR_VAL;
576 cpm->cp_pedir = PE_GP_OUTMASK | PE_SP_DIRVAL;
577 cpm->cp_pepar = PE_SP_MASK;
578
579 return 0;
580}
581
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WD		 582#ifdef CONFIG_HW_WATCHDOG
583
584void hw_watchdog_reset(void)
585{
586 /* XXX add here the really funky stuff */
587}
588
589#endif
590
6d0f6bcf 591#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
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WD		 592int overwrite_console(void)
593{
594 /* printf("overwrite_console called\n"); */
595 return 0;
596}
597#endif
598
599extern int drv_phone_init(void);
600extern int drv_phone_use_me(void);
601extern int drv_phone_is_idle(void);
602
603int misc_init_r(void)
604{
605 return 0;
606}
607
608int last_stage_init(void)
609{
610#if CONFIG_NETTA2_VERSION == 2
611 int i;
612#endif
613
614#if CONFIG_NETTA2_VERSION == 2
615 /* assert peripheral reset */
6d0f6bcf 616 ((volatile immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat &= ~_BW(12);
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WD		 617 for (i = 0; i < 10; i++)
618 udelay(1000);
6d0f6bcf 619 ((volatile immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat |= _BW(12);
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WD		 620#endif
621 reset_phys();
622
623 return 0;
624}
"Das U-Boot" Source Tree