blob: 02fd94cc2c08babd8901a6936128f982060fe93b [file] [log] [blame]
wdenk04a85b32004-04-15 18:22:41 +00001/*
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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/*
25 * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
26 * U-Boot port on NetTA4 board
27 */
28
29#include <common.h>
30#include <miiphy.h>
31
32#include "mpc8xx.h"
33
34#ifdef CONFIG_HW_WATCHDOG
35#include <watchdog.h>
36#endif
37
Marian Balakowicz63ff0042005-10-28 22:30:33 +020038int fec8xx_miiphy_read(char *devname, unsigned char addr,
39 unsigned char reg, unsigned short *value);
40int fec8xx_miiphy_write(char *devname, unsigned char addr,
41 unsigned char reg, unsigned short value);
42
wdenk04a85b32004-04-15 18:22:41 +000043/****************************************************************/
44
45/* some sane bit macros */
46#define _BD(_b) (1U << (31-(_b)))
47#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
48
49#define _BW(_b) (1U << (15-(_b)))
50#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
51
52#define _BB(_b) (1U << (7-(_b)))
53#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
54
55#define _B(_b) _BD(_b)
56#define _BR(_l, _h) _BDR(_l, _h)
57
58/****************************************************************/
59
60/*
61 * Check Board Identity:
62 *
63 * Return 1 always.
64 */
65
66int checkboard(void)
67{
68 printf ("Intracom NETTA"
69#if defined(CONFIG_NETTA_ISDN)
70 " with ISDN support"
71#endif
wdenk79fa88f2004-06-07 23:46:25 +000072#if defined(CONFIG_NETTA_6412)
73 " (DSP:TI6412)"
74#else
75 " (DSP:TI6711)"
76#endif
wdenk04a85b32004-04-15 18:22:41 +000077 "\n"
78 );
79 return (0);
80}
81
82/****************************************************************/
83
84#define _NOT_USED_ 0xFFFFFFFF
85
86/****************************************************************/
87
88#define CS_0000 0x00000000
89#define CS_0001 0x10000000
90#define CS_0010 0x20000000
91#define CS_0011 0x30000000
92#define CS_0100 0x40000000
93#define CS_0101 0x50000000
94#define CS_0110 0x60000000
95#define CS_0111 0x70000000
96#define CS_1000 0x80000000
97#define CS_1001 0x90000000
98#define CS_1010 0xA0000000
99#define CS_1011 0xB0000000
100#define CS_1100 0xC0000000
101#define CS_1101 0xD0000000
102#define CS_1110 0xE0000000
103#define CS_1111 0xF0000000
104
105#define BS_0000 0x00000000
106#define BS_0001 0x01000000
107#define BS_0010 0x02000000
108#define BS_0011 0x03000000
109#define BS_0100 0x04000000
110#define BS_0101 0x05000000
111#define BS_0110 0x06000000
112#define BS_0111 0x07000000
113#define BS_1000 0x08000000
114#define BS_1001 0x09000000
115#define BS_1010 0x0A000000
116#define BS_1011 0x0B000000
117#define BS_1100 0x0C000000
118#define BS_1101 0x0D000000
119#define BS_1110 0x0E000000
120#define BS_1111 0x0F000000
121
122#define A10_AAAA 0x00000000
123#define A10_AAA0 0x00200000
124#define A10_AAA1 0x00300000
125#define A10_000A 0x00800000
126#define A10_0000 0x00A00000
127#define A10_0001 0x00B00000
128#define A10_111A 0x00C00000
129#define A10_1110 0x00E00000
130#define A10_1111 0x00F00000
131
132#define RAS_0000 0x00000000
133#define RAS_0001 0x00040000
134#define RAS_1110 0x00080000
135#define RAS_1111 0x000C0000
136
137#define CAS_0000 0x00000000
138#define CAS_0001 0x00010000
139#define CAS_1110 0x00020000
140#define CAS_1111 0x00030000
141
142#define WE_0000 0x00000000
143#define WE_0001 0x00004000
144#define WE_1110 0x00008000
145#define WE_1111 0x0000C000
146
147#define GPL4_0000 0x00000000
148#define GPL4_0001 0x00001000
149#define GPL4_1110 0x00002000
150#define GPL4_1111 0x00003000
151
152#define GPL5_0000 0x00000000
153#define GPL5_0001 0x00000400
154#define GPL5_1110 0x00000800
155#define GPL5_1111 0x00000C00
156#define LOOP 0x00000080
157
158#define EXEN 0x00000040
159
160#define AMX_COL 0x00000000
161#define AMX_ROW 0x00000020
162#define AMX_MAR 0x00000030
163
164#define NA 0x00000008
165
166#define UTA 0x00000004
167
168#define TODT 0x00000002
169
170#define LAST 0x00000001
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/* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
288/* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
289#define MAR_SDRAM_INIT ((CAS_LATENCY << 6) | 0x00000008LU)
290
291/* 8 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200292#define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
wdenk04a85b32004-04-15 18:22:41 +0000293 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
294 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
295
296void check_ram(unsigned int addr, unsigned int size)
297{
298 unsigned int i, j, v, vv;
299 volatile unsigned int *p;
300 unsigned int pv;
301
302 p = (unsigned int *)addr;
303 pv = (unsigned int)p;
304 for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
305 *p++ = pv;
306
307 p = (unsigned int *)addr;
308 for (i = 0; i < size / sizeof(unsigned int); i++) {
309 v = (unsigned int)p;
310 vv = *p;
311 if (vv != v) {
312 printf("%p: read %08x instead of %08x\n", p, vv, v);
313 hang();
314 }
315 p++;
316 }
317
318 for (j = 0; j < 5; j++) {
319 switch (j) {
320 case 0: v = 0x00000000; break;
321 case 1: v = 0xffffffff; break;
322 case 2: v = 0x55555555; break;
323 case 3: v = 0xaaaaaaaa; break;
324 default:v = 0xdeadbeef; break;
325 }
326 p = (unsigned int *)addr;
327 for (i = 0; i < size / sizeof(unsigned int); i++) {
328 *p = v;
329 vv = *p;
330 if (vv != v) {
331 printf("%p: read %08x instead of %08x\n", p, vv, v);
332 hang();
333 }
334 *p = ~v;
335 p++;
336 }
337 }
338}
339
Becky Bruce9973e3c2008-06-09 16:03:40 -0500340phys_size_t initdram(int board_type)
wdenk04a85b32004-04-15 18:22:41 +0000341{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200342 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
wdenk04a85b32004-04-15 18:22:41 +0000343 volatile memctl8xx_t *memctl = &immap->im_memctl;
344 long int size;
345
346 upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(uint));
347
348 /*
349 * Preliminary prescaler for refresh
350 */
351 memctl->memc_mptpr = MPTPR_PTP_DIV8;
352
353 memctl->memc_mar = MAR_SDRAM_INIT; /* 32-bit address to be output on the address bus if AMX = 0b11 */
354
355 /*
356 * Map controller bank 3 to the SDRAM bank at preliminary address.
357 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200358 memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
359 memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
wdenk04a85b32004-04-15 18:22:41 +0000360
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200361 memctl->memc_mbmr = CONFIG_SYS_MAMR & ~MAMR_PTAE; /* no refresh yet */
wdenk04a85b32004-04-15 18:22:41 +0000362
363 udelay(200);
364
365 /* perform SDRAM initialisation sequence */
366 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C); /* precharge all */
367 udelay(1);
368
369 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30); /* refresh 2 times(0) */
370 udelay(1);
371
372 memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E); /* exception program (write mar)*/
373 udelay(1);
374
375 memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
376
377 udelay(10000);
378
379 {
380 u32 d1, d2;
381
382 d1 = 0xAA55AA55;
383 *(volatile u32 *)0 = d1;
384 d2 = *(volatile u32 *)0;
385 if (d1 != d2) {
386 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
387 hang();
388 }
389
390 d1 = 0x55AA55AA;
391 *(volatile u32 *)0 = d1;
392 d2 = *(volatile u32 *)0;
393 if (d1 != d2) {
394 printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
395 hang();
396 }
397 }
398
399 size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
400
401#if 0
402 printf("check 0\n");
403 check_ram(( 0 << 20), (2 << 20));
404 printf("check 16\n");
405 check_ram((16 << 20), (2 << 20));
406 printf("check 32\n");
407 check_ram((32 << 20), (2 << 20));
408 printf("check 48\n");
409 check_ram((48 << 20), (2 << 20));
410#endif
411
412 if (size == 0) {
413 printf("SIZE is zero: LOOP on 0\n");
414 for (;;) {
415 *(volatile u32 *)0 = 0;
416 (void)*(volatile u32 *)0;
417 }
418 }
419
420 return size;
421}
422
423/* ------------------------------------------------------------------------- */
424
425int misc_init_r(void)
426{
427 return(0);
428}
429
430void reset_phys(void)
431{
432 int phyno;
433 unsigned short v;
434
435 /* reset the damn phys */
436 mii_init();
437
438 for (phyno = 0; phyno < 32; ++phyno) {
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200439 fec8xx_miiphy_read(NULL, phyno, PHY_PHYIDR1, &v);
wdenk04a85b32004-04-15 18:22:41 +0000440 if (v == 0xFFFF)
441 continue;
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200442 fec8xx_miiphy_write(NULL, phyno, PHY_BMCR, PHY_BMCR_POWD);
wdenk04a85b32004-04-15 18:22:41 +0000443 udelay(10000);
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200444 fec8xx_miiphy_write(NULL, phyno, PHY_BMCR,
445 PHY_BMCR_RESET | PHY_BMCR_AUTON);
wdenk04a85b32004-04-15 18:22:41 +0000446 udelay(10000);
447 }
448}
449
450extern int board_dsp_reset(void);
451
452int last_stage_init(void)
453{
454 int r;
455
456 reset_phys();
457 r = board_dsp_reset();
458 if (r < 0)
459 printf("*** WARNING *** DSP reset failed (run diagnostics)\n");
460 return 0;
461}
462
463/* ------------------------------------------------------------------------- */
464
465/* GP = general purpose, SP = special purpose (on chip peripheral) */
466
467/* bits that can have a special purpose or can be configured as inputs/outputs */
468#define PA_GP_INMASK (_BWR(3) | _BWR(7, 9) | _BW(11))
469#define PA_GP_OUTMASK (_BW(6) | _BW(10) | _BWR(12, 15))
470#define PA_SP_MASK (_BWR(0, 2) | _BWR(4, 5))
471#define PA_ODR_VAL 0
472#define PA_GP_OUTVAL (_BW(13) | _BWR(14, 15))
473#define PA_SP_DIRVAL 0
474
475#define PB_GP_INMASK (_B(28) | _B(31))
wdenk79fa88f2004-06-07 23:46:25 +0000476#define PB_GP_OUTMASK (_BR(15, 19) | _BR(26, 27) | _BR(29, 30))
wdenk04a85b32004-04-15 18:22:41 +0000477#define PB_SP_MASK (_BR(22, 25))
478#define PB_ODR_VAL 0
wdenk79fa88f2004-06-07 23:46:25 +0000479#define PB_GP_OUTVAL (_BR(15, 19) | _BR(26, 27) | _BR(29, 31))
wdenk04a85b32004-04-15 18:22:41 +0000480#define PB_SP_DIRVAL 0
481
482#define PC_GP_INMASK (_BW(5) | _BW(7) | _BW(8) | _BWR(9, 11) | _BWR(13, 15))
483#define PC_GP_OUTMASK (_BW(6) | _BW(12))
484#define PC_SP_MASK (_BW(4) | _BW(8))
485#define PC_SOVAL 0
486#define PC_INTVAL _BW(7)
487#define PC_GP_OUTVAL (_BW(6) | _BW(12))
488#define PC_SP_DIRVAL 0
489
490#define PD_GP_INMASK 0
491#define PD_GP_OUTMASK _BWR(3, 15)
492#define PD_SP_MASK 0
wdenk79fa88f2004-06-07 23:46:25 +0000493
494#if defined(CONFIG_NETTA_6412)
495
496#define PD_GP_OUTVAL (_BWR(5, 7) | _BW(9) | _BW(11) | _BW(15))
497
498#else
499
wdenk04a85b32004-04-15 18:22:41 +0000500#define PD_GP_OUTVAL (_BWR(5, 7) | _BW(9) | _BW(11))
wdenk79fa88f2004-06-07 23:46:25 +0000501
502#endif
503
wdenk04a85b32004-04-15 18:22:41 +0000504#define PD_SP_DIRVAL 0
505
506int board_early_init_f(void)
507{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200508 volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
wdenk04a85b32004-04-15 18:22:41 +0000509 volatile iop8xx_t *ioport = &immap->im_ioport;
510 volatile cpm8xx_t *cpm = &immap->im_cpm;
511 volatile memctl8xx_t *memctl = &immap->im_memctl;
512
513 /* CS1: NAND chip select */
514 memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_SCY_2_CLK | OR_TRLX | OR_ACS_DIV2) ;
515 memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
wdenk79fa88f2004-06-07 23:46:25 +0000516#if !defined(CONFIG_NETTA_6412)
wdenk04a85b32004-04-15 18:22:41 +0000517 /* CS2: DSP */
518 memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_7_CLK | OR_ACS_DIV2);
519 memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
wdenk79fa88f2004-06-07 23:46:25 +0000520#else
521 /* CS6: DSP */
522 memctl->memc_or6 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_7_CLK | OR_ACS_DIV2);
523 memctl->memc_br6 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
524#endif
wdenk04a85b32004-04-15 18:22:41 +0000525 /* CS4: External register chip select */
526 memctl->memc_or4 = ((0xFFFFFFFFLU & ~(ER_SIZE - 1)) | OR_BI | OR_SCY_4_CLK);
527 memctl->memc_br4 = ((ER_BASE & BR_BA_MSK) | BR_PS_32 | BR_V);
528
529 /* CS5: dummy for accurate delay */
530 memctl->memc_or5 = ((0xFFFFFFFFLU & ~(DUMMY_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_0_CLK | OR_ACS_DIV2);
531 memctl->memc_br5 = ((DUMMY_BASE & BR_BA_MSK) | BR_PS_32 | BR_V);
532
533 ioport->iop_padat = PA_GP_OUTVAL;
534 ioport->iop_paodr = PA_ODR_VAL;
535 ioport->iop_padir = PA_GP_OUTMASK | PA_SP_DIRVAL;
536 ioport->iop_papar = PA_SP_MASK;
537
538 cpm->cp_pbdat = PB_GP_OUTVAL;
539 cpm->cp_pbodr = PB_ODR_VAL;
540 cpm->cp_pbdir = PB_GP_OUTMASK | PB_SP_DIRVAL;
541 cpm->cp_pbpar = PB_SP_MASK;
542
543 ioport->iop_pcdat = PC_GP_OUTVAL;
544 ioport->iop_pcdir = PC_GP_OUTMASK | PC_SP_DIRVAL;
545 ioport->iop_pcso = PC_SOVAL;
546 ioport->iop_pcint = PC_INTVAL;
547 ioport->iop_pcpar = PC_SP_MASK;
548
549 ioport->iop_pddat = PD_GP_OUTVAL;
550 ioport->iop_pddir = PD_GP_OUTMASK | PD_SP_DIRVAL;
551 ioport->iop_pdpar = PD_SP_MASK;
552
wdenk79fa88f2004-06-07 23:46:25 +0000553 /* ioport->iop_pddat |= (1 << (15 - 6)) | (1 << (15 - 7)); */
wdenk04a85b32004-04-15 18:22:41 +0000554
555 return 0;
556}
557
Jean-Christophe PLAGNIOL-VILLARDcc4a0ce2008-08-13 01:40:43 +0200558#if defined(CONFIG_CMD_NAND) && defined(CONFIG_NAND_LEGACY)
wdenk04a85b32004-04-15 18:22:41 +0000559
Marian Balakowicz6db39702006-04-08 19:08:06 +0200560#include <linux/mtd/nand_legacy.h>
wdenk04a85b32004-04-15 18:22:41 +0000561
562extern ulong nand_probe(ulong physadr);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200563extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
wdenk04a85b32004-04-15 18:22:41 +0000564
565void nand_init(void)
566{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200567 unsigned long totlen = nand_probe(CONFIG_SYS_NAND_BASE);
wdenk04a85b32004-04-15 18:22:41 +0000568
569 printf ("%4lu MB\n", totlen >> 20);
570}
571#endif
572
Jon Loeliger3fe00102007-07-09 18:38:39 -0500573#if defined(CONFIG_CMD_PCMCIA)
wdenk04a85b32004-04-15 18:22:41 +0000574
575int pcmcia_init(void)
576{
577 return 0;
578}
579
580#endif
581
582#ifdef CONFIG_POST
583/*
584 * Returns 1 if keys pressed to start the power-on long-running tests
585 * Called from board_init_f().
586 */
587int post_hotkeys_pressed(void)
588{
589 return 0; /* No hotkeys supported */
590}
591#endif
592
593#ifdef CONFIG_HW_WATCHDOG
594
595void hw_watchdog_reset(void)
596{
597 /* XXX add here the really funky stuff */
598}
599
600#endif