1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
|
/*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <mpc83xx.h>
#include <ioports.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_QE
extern qe_iop_conf_t qe_iop_conf_tab[];
extern void qe_config_iopin(u8 port, u8 pin, int dir,
int open_drain, int assign);
extern void qe_init(uint qe_base);
extern void qe_reset(void);
static void config_qe_ioports(void)
{
u8 port, pin;
int dir, open_drain, assign;
int i;
for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
port = qe_iop_conf_tab[i].port;
pin = qe_iop_conf_tab[i].pin;
dir = qe_iop_conf_tab[i].dir;
open_drain = qe_iop_conf_tab[i].open_drain;
assign = qe_iop_conf_tab[i].assign;
qe_config_iopin(port, pin, dir, open_drain, assign);
}
}
#endif
/*
* Breathe some life into the CPU...
*
* Set up the memory map,
* initialize a bunch of registers,
* initialize the UPM's
*/
void cpu_init_f (volatile immap_t * im)
{
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
/* Clear initial global data */
memset ((void *) gd, 0, sizeof (gd_t));
/* system performance tweaking */
#ifdef CFG_ACR_PIPE_DEP
/* Arbiter pipeline depth */
im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) |
(CFG_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT);
#endif
#ifdef CFG_ACR_RPTCNT
/* Arbiter repeat count */
im->arbiter.acr = (im->arbiter.acr & ~(ACR_RPTCNT)) |
(CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT);
#endif
#ifdef CFG_SPCR_OPT
/* Optimize transactions between CSB and other devices */
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_OPT) |
(CFG_SPCR_OPT << SPCR_OPT_SHIFT);
#endif
#ifdef CFG_SPCR_TSECEP
/* all eTSEC's Emergency priority */
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) |
(CFG_SPCR_TSECEP << SPCR_TSECEP_SHIFT);
#endif
#ifdef CFG_SPCR_TSEC1EP
/* TSEC1 Emergency priority */
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) |
(CFG_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT);
#endif
#ifdef CFG_SPCR_TSEC2EP
/* TSEC2 Emergency priority */
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) |
(CFG_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT);
#endif
#ifdef CFG_SCCR_ENCCM
/* Encryption clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_ENCCM) |
(CFG_SCCR_ENCCM << SCCR_PCICM_SHIFT);
#endif
#ifdef CFG_SCCR_PCICM
/* PCI & DMA clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_PCICM) |
(CFG_SCCR_PCICM << SCCR_PCICM_SHIFT);
#endif
#ifdef CFG_SCCR_TSECCM
/* all TSEC's clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_TSECCM) |
(CFG_SCCR_TSECCM << SCCR_TSECCM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC1CM
/* TSEC1 clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) |
(CFG_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC2CM
/* TSEC2 clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) |
(CFG_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC1ON
/* TSEC1 clock switch */
im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1ON) |
(CFG_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT);
#endif
#ifdef CFG_SCCR_TSEC2ON
/* TSEC2 clock switch */
im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2ON) |
(CFG_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT);
#endif
#ifdef CFG_SCCR_USBMPHCM
/* USB MPH clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_USBMPHCM) |
(CFG_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT);
#endif
#ifdef CFG_SCCR_USBDRCM
/* USB DR clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_USBDRCM) |
(CFG_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT);
#endif
#ifdef CFG_SCCR_SATACM
/* SATA controller clock mode */
im->clk.sccr = (im->clk.sccr & ~SCCR_SATACM) |
(CFG_SCCR_SATACM << SCCR_SATACM_SHIFT);
#endif
/* RSR - Reset Status Register - clear all status (4.6.1.3) */
gd->reset_status = im->reset.rsr;
im->reset.rsr = ~(RSR_RES);
/*
* RMR - Reset Mode Register
* contains checkstop reset enable (4.6.1.4)
*/
im->reset.rmr = (RMR_CSRE & (1<<RMR_CSRE_SHIFT));
/* LCRR - Clock Ratio Register (10.3.1.16) */
im->lbus.lcrr = CFG_LCRR;
/* Enable Time Base & Decrimenter ( so we will have udelay() )*/
im->sysconf.spcr |= SPCR_TBEN;
/* System General Purpose Register */
#ifdef CFG_SICRH
im->sysconf.sicrh = CFG_SICRH;
#endif
#ifdef CFG_SICRL
im->sysconf.sicrl = CFG_SICRL;
#endif
/* DDR control driver register */
#ifdef CFG_DDRCDR
im->sysconf.ddrcdr = CFG_DDRCDR;
#endif
/* Output buffer impedance register */
#ifdef CFG_OBIR
im->sysconf.obir = CFG_OBIR;
#endif
#ifdef CONFIG_QE
/* Config QE ioports */
config_qe_ioports();
#endif
/*
* Memory Controller:
*/
/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
* addresses - these have to be modified later when FLASH size
* has been determined
*/
#if defined(CFG_BR0_PRELIM) \
&& defined(CFG_OR0_PRELIM) \
&& defined(CFG_LBLAWBAR0_PRELIM) \
&& defined(CFG_LBLAWAR0_PRELIM)
im->lbus.bank[0].br = CFG_BR0_PRELIM;
im->lbus.bank[0].or = CFG_OR0_PRELIM;
im->sysconf.lblaw[0].bar = CFG_LBLAWBAR0_PRELIM;
im->sysconf.lblaw[0].ar = CFG_LBLAWAR0_PRELIM;
#else
#error CFG_BR0_PRELIM, CFG_OR0_PRELIM, CFG_LBLAWBAR0_PRELIM & CFG_LBLAWAR0_PRELIM must be defined
#endif
#if defined(CFG_BR1_PRELIM) && defined(CFG_OR1_PRELIM)
im->lbus.bank[1].br = CFG_BR1_PRELIM;
im->lbus.bank[1].or = CFG_OR1_PRELIM;
#endif
#if defined(CFG_LBLAWBAR1_PRELIM) && defined(CFG_LBLAWAR1_PRELIM)
im->sysconf.lblaw[1].bar = CFG_LBLAWBAR1_PRELIM;
im->sysconf.lblaw[1].ar = CFG_LBLAWAR1_PRELIM;
#endif
#if defined(CFG_BR2_PRELIM) && defined(CFG_OR2_PRELIM)
im->lbus.bank[2].br = CFG_BR2_PRELIM;
im->lbus.bank[2].or = CFG_OR2_PRELIM;
#endif
#if defined(CFG_LBLAWBAR2_PRELIM) && defined(CFG_LBLAWAR2_PRELIM)
im->sysconf.lblaw[2].bar = CFG_LBLAWBAR2_PRELIM;
im->sysconf.lblaw[2].ar = CFG_LBLAWAR2_PRELIM;
#endif
#if defined(CFG_BR3_PRELIM) && defined(CFG_OR3_PRELIM)
im->lbus.bank[3].br = CFG_BR3_PRELIM;
im->lbus.bank[3].or = CFG_OR3_PRELIM;
#endif
#if defined(CFG_LBLAWBAR3_PRELIM) && defined(CFG_LBLAWAR3_PRELIM)
im->sysconf.lblaw[3].bar = CFG_LBLAWBAR3_PRELIM;
im->sysconf.lblaw[3].ar = CFG_LBLAWAR3_PRELIM;
#endif
#if defined(CFG_BR4_PRELIM) && defined(CFG_OR4_PRELIM)
im->lbus.bank[4].br = CFG_BR4_PRELIM;
im->lbus.bank[4].or = CFG_OR4_PRELIM;
#endif
#if defined(CFG_LBLAWBAR4_PRELIM) && defined(CFG_LBLAWAR4_PRELIM)
im->sysconf.lblaw[4].bar = CFG_LBLAWBAR4_PRELIM;
im->sysconf.lblaw[4].ar = CFG_LBLAWAR4_PRELIM;
#endif
#if defined(CFG_BR5_PRELIM) && defined(CFG_OR5_PRELIM)
im->lbus.bank[5].br = CFG_BR5_PRELIM;
im->lbus.bank[5].or = CFG_OR5_PRELIM;
#endif
#if defined(CFG_LBLAWBAR5_PRELIM) && defined(CFG_LBLAWAR5_PRELIM)
im->sysconf.lblaw[5].bar = CFG_LBLAWBAR5_PRELIM;
im->sysconf.lblaw[5].ar = CFG_LBLAWAR5_PRELIM;
#endif
#if defined(CFG_BR6_PRELIM) && defined(CFG_OR6_PRELIM)
im->lbus.bank[6].br = CFG_BR6_PRELIM;
im->lbus.bank[6].or = CFG_OR6_PRELIM;
#endif
#if defined(CFG_LBLAWBAR6_PRELIM) && defined(CFG_LBLAWAR6_PRELIM)
im->sysconf.lblaw[6].bar = CFG_LBLAWBAR6_PRELIM;
im->sysconf.lblaw[6].ar = CFG_LBLAWAR6_PRELIM;
#endif
#if defined(CFG_BR7_PRELIM) && defined(CFG_OR7_PRELIM)
im->lbus.bank[7].br = CFG_BR7_PRELIM;
im->lbus.bank[7].or = CFG_OR7_PRELIM;
#endif
#if defined(CFG_LBLAWBAR7_PRELIM) && defined(CFG_LBLAWAR7_PRELIM)
im->sysconf.lblaw[7].bar = CFG_LBLAWBAR7_PRELIM;
im->sysconf.lblaw[7].ar = CFG_LBLAWAR7_PRELIM;
#endif
#ifdef CFG_GPIO1_PRELIM
im->gpio[0].dir = CFG_GPIO1_DIR;
im->gpio[0].dat = CFG_GPIO1_DAT;
#endif
#ifdef CFG_GPIO2_PRELIM
im->gpio[1].dir = CFG_GPIO2_DIR;
im->gpio[1].dat = CFG_GPIO2_DAT;
#endif
}
int cpu_init_r (void)
{
#ifdef CONFIG_QE
uint qe_base = CFG_IMMR + 0x00100000; /* QE immr base */
qe_init(qe_base);
qe_reset();
#endif
return 0;
}
/*
* Figure out the cause of the reset
*/
int prt_83xx_rsr(void)
{
static struct {
ulong mask;
char *desc;
} bits[] = {
{
RSR_SWSR, "Software Soft"}, {
RSR_SWHR, "Software Hard"}, {
RSR_JSRS, "JTAG Soft"}, {
RSR_CSHR, "Check Stop"}, {
RSR_SWRS, "Software Watchdog"}, {
RSR_BMRS, "Bus Monitor"}, {
RSR_SRS, "External/Internal Soft"}, {
RSR_HRS, "External/Internal Hard"}
};
static int n = sizeof bits / sizeof bits[0];
ulong rsr = gd->reset_status;
int i;
char *sep;
puts("Reset Status:");
sep = " ";
for (i = 0; i < n; i++)
if (rsr & bits[i].mask) {
printf("%s%s", sep, bits[i].desc);
sep = ", ";
}
puts("\n\n");
return 0;
}
|
