1 /*
2  * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <mpc83xx.h>
25 #include <ioports.h>
26 #include <asm/io.h>
27 #ifdef CONFIG_USB_EHCI_FSL
28 #include <usb/ehci-fsl.h>
29 #endif
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 #ifdef CONFIG_QE
34 extern qe_iop_conf_t qe_iop_conf_tab[];
35 extern void qe_config_iopin(u8 port, u8 pin, int dir,
36 			 int open_drain, int assign);
37 extern void qe_init(uint qe_base);
38 extern void qe_reset(void);
39 
40 static void config_qe_ioports(void)
41 {
42 	u8	port, pin;
43 	int	dir, open_drain, assign;
44 	int	i;
45 
46 	for (i = 0; qe_iop_conf_tab[i].assign != QE_IOP_TAB_END; i++) {
47 		port		= qe_iop_conf_tab[i].port;
48 		pin		= qe_iop_conf_tab[i].pin;
49 		dir		= qe_iop_conf_tab[i].dir;
50 		open_drain	= qe_iop_conf_tab[i].open_drain;
51 		assign		= qe_iop_conf_tab[i].assign;
52 		qe_config_iopin(port, pin, dir, open_drain, assign);
53 	}
54 }
55 #endif
56 
57 /*
58  * Breathe some life into the CPU...
59  *
60  * Set up the memory map,
61  * initialize a bunch of registers,
62  * initialize the UPM's
63  */
64 void cpu_init_f (volatile immap_t * im)
65 {
66 	__be32 acr_mask =
67 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
68 		ACR_PIPE_DEP |
69 #endif
70 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
71 		ACR_RPTCNT |
72 #endif
73 #ifdef CONFIG_SYS_ACR_APARK	/* Arbiter address parking mode */
74 		ACR_APARK |
75 #endif
76 #ifdef CONFIG_SYS_ACR_PARKM	/* Arbiter parking master */
77 		ACR_PARKM |
78 #endif
79 		0;
80 	__be32 acr_val =
81 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
82 		(CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) |
83 #endif
84 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
85 		(CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) |
86 #endif
87 #ifdef CONFIG_SYS_ACR_APARK	/* Arbiter address parking mode */
88 		(CONFIG_SYS_ACR_APARK << ACR_APARK_SHIFT) |
89 #endif
90 #ifdef CONFIG_SYS_ACR_PARKM	/* Arbiter parking master */
91 		(CONFIG_SYS_ACR_PARKM << ACR_PARKM_SHIFT) |
92 #endif
93 		0;
94 	__be32 spcr_mask =
95 #ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */
96 		SPCR_OPT |
97 #endif
98 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
99 		SPCR_TSECEP |
100 #endif
101 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
102 		SPCR_TSEC1EP |
103 #endif
104 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
105 		SPCR_TSEC2EP |
106 #endif
107 		0;
108 	__be32 spcr_val =
109 #ifdef CONFIG_SYS_SPCR_OPT
110 		(CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT) |
111 #endif
112 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
113 		(CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT) |
114 #endif
115 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
116 		(CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) |
117 #endif
118 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
119 		(CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) |
120 #endif
121 		0;
122 	__be32 sccr_mask =
123 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
124 		SCCR_ENCCM |
125 #endif
126 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
127 		SCCR_PCICM |
128 #endif
129 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
130 		SCCR_TSECCM |
131 #endif
132 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
133 		SCCR_TSEC1CM |
134 #endif
135 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
136 		SCCR_TSEC2CM |
137 #endif
138 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
139 		SCCR_TSEC1ON |
140 #endif
141 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
142 		SCCR_TSEC2ON |
143 #endif
144 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
145 		SCCR_USBMPHCM |
146 #endif
147 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
148 		SCCR_USBDRCM |
149 #endif
150 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
151 		SCCR_SATACM |
152 #endif
153 		0;
154 	__be32 sccr_val =
155 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
156 		(CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT) |
157 #endif
158 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
159 		(CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) |
160 #endif
161 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
162 		(CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) |
163 #endif
164 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
165 		(CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) |
166 #endif
167 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
168 		(CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) |
169 #endif
170 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
171 		(CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) |
172 #endif
173 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
174 		(CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) |
175 #endif
176 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
177 		(CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) |
178 #endif
179 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
180 		(CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) |
181 #endif
182 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
183 		(CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT) |
184 #endif
185 		0;
186 	__be32 lcrr_mask =
187 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
188 		LCRR_DBYP |
189 #endif
190 #ifdef CONFIG_SYS_LCRR_EADC /* external address delay */
191 		LCRR_EADC |
192 #endif
193 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
194 		LCRR_CLKDIV |
195 #endif
196 		0;
197 	__be32 lcrr_val =
198 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
199 		CONFIG_SYS_LCRR_DBYP |
200 #endif
201 #ifdef CONFIG_SYS_LCRR_EADC
202 		CONFIG_SYS_LCRR_EADC |
203 #endif
204 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
205 		CONFIG_SYS_LCRR_CLKDIV |
206 #endif
207 		0;
208 
209 	/* Pointer is writable since we allocated a register for it */
210 	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
211 
212 	/* Clear initial global data */
213 	memset ((void *) gd, 0, sizeof (gd_t));
214 
215 	/* system performance tweaking */
216 	clrsetbits_be32(&im->arbiter.acr, acr_mask, acr_val);
217 
218 	clrsetbits_be32(&im->sysconf.spcr, spcr_mask, spcr_val);
219 
220 	clrsetbits_be32(&im->clk.sccr, sccr_mask, sccr_val);
221 
222 	/* RSR - Reset Status Register - clear all status (4.6.1.3) */
223 	gd->reset_status = __raw_readl(&im->reset.rsr);
224 	__raw_writel(~(RSR_RES), &im->reset.rsr);
225 
226 	/* AER - Arbiter Event Register - store status */
227 	gd->arbiter_event_attributes = __raw_readl(&im->arbiter.aeatr);
228 	gd->arbiter_event_address = __raw_readl(&im->arbiter.aeadr);
229 
230 	/*
231 	 * RMR - Reset Mode Register
232 	 * contains checkstop reset enable (4.6.1.4)
233 	 */
234 	__raw_writel(RMR_CSRE & (1<<RMR_CSRE_SHIFT), &im->reset.rmr);
235 
236 	/* LCRR - Clock Ratio Register (10.3.1.16)
237 	 * write, read, and isync per MPC8379ERM rev.1 CLKDEV field description
238 	 */
239 	clrsetbits_be32(&im->lbus.lcrr, lcrr_mask, lcrr_val);
240 	__raw_readl(&im->lbus.lcrr);
241 	isync();
242 
243 	/* Enable Time Base & Decrementer ( so we will have udelay() )*/
244 	setbits_be32(&im->sysconf.spcr, SPCR_TBEN);
245 
246 	/* System General Purpose Register */
247 #ifdef CONFIG_SYS_SICRH
248 #if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313)
249 	/* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */
250 	__raw_writel((im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH,
251 		     &im->sysconf.sicrh);
252 #else
253 	__raw_writel(CONFIG_SYS_SICRH, &im->sysconf.sicrh);
254 #endif
255 #endif
256 #ifdef CONFIG_SYS_SICRL
257 	__raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl);
258 #endif
259 #ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */
260 	__raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr);
261 #endif
262 #ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */
263 	__raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir);
264 #endif
265 
266 #ifdef CONFIG_QE
267 	/* Config QE ioports */
268 	config_qe_ioports();
269 #endif
270 
271 	/*
272 	 * Memory Controller:
273 	 */
274 
275 	/* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
276 	 * addresses - these have to be modified later when FLASH size
277 	 * has been determined
278 	 */
279 
280 #if defined(CONFIG_SYS_BR0_PRELIM)  \
281 	&& defined(CONFIG_SYS_OR0_PRELIM) \
282 	&& defined(CONFIG_SYS_LBLAWBAR0_PRELIM) \
283 	&& defined(CONFIG_SYS_LBLAWAR0_PRELIM)
284 	im->lbus.bank[0].br = CONFIG_SYS_BR0_PRELIM;
285 	im->lbus.bank[0].or = CONFIG_SYS_OR0_PRELIM;
286 	im->sysconf.lblaw[0].bar = CONFIG_SYS_LBLAWBAR0_PRELIM;
287 	im->sysconf.lblaw[0].ar = CONFIG_SYS_LBLAWAR0_PRELIM;
288 #else
289 #error	CONFIG_SYS_BR0_PRELIM, CONFIG_SYS_OR0_PRELIM, CONFIG_SYS_LBLAWBAR0_PRELIM & CONFIG_SYS_LBLAWAR0_PRELIM must be defined
290 #endif
291 
292 #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
293 	im->lbus.bank[1].br = CONFIG_SYS_BR1_PRELIM;
294 	im->lbus.bank[1].or = CONFIG_SYS_OR1_PRELIM;
295 #endif
296 #if defined(CONFIG_SYS_LBLAWBAR1_PRELIM) && defined(CONFIG_SYS_LBLAWAR1_PRELIM)
297 	im->sysconf.lblaw[1].bar = CONFIG_SYS_LBLAWBAR1_PRELIM;
298 	im->sysconf.lblaw[1].ar = CONFIG_SYS_LBLAWAR1_PRELIM;
299 #endif
300 #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
301 	im->lbus.bank[2].br = CONFIG_SYS_BR2_PRELIM;
302 	im->lbus.bank[2].or = CONFIG_SYS_OR2_PRELIM;
303 #endif
304 #if defined(CONFIG_SYS_LBLAWBAR2_PRELIM) && defined(CONFIG_SYS_LBLAWAR2_PRELIM)
305 	im->sysconf.lblaw[2].bar = CONFIG_SYS_LBLAWBAR2_PRELIM;
306 	im->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2_PRELIM;
307 #endif
308 #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
309 	im->lbus.bank[3].br = CONFIG_SYS_BR3_PRELIM;
310 	im->lbus.bank[3].or = CONFIG_SYS_OR3_PRELIM;
311 #endif
312 #if defined(CONFIG_SYS_LBLAWBAR3_PRELIM) && defined(CONFIG_SYS_LBLAWAR3_PRELIM)
313 	im->sysconf.lblaw[3].bar = CONFIG_SYS_LBLAWBAR3_PRELIM;
314 	im->sysconf.lblaw[3].ar = CONFIG_SYS_LBLAWAR3_PRELIM;
315 #endif
316 #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
317 	im->lbus.bank[4].br = CONFIG_SYS_BR4_PRELIM;
318 	im->lbus.bank[4].or = CONFIG_SYS_OR4_PRELIM;
319 #endif
320 #if defined(CONFIG_SYS_LBLAWBAR4_PRELIM) && defined(CONFIG_SYS_LBLAWAR4_PRELIM)
321 	im->sysconf.lblaw[4].bar = CONFIG_SYS_LBLAWBAR4_PRELIM;
322 	im->sysconf.lblaw[4].ar = CONFIG_SYS_LBLAWAR4_PRELIM;
323 #endif
324 #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
325 	im->lbus.bank[5].br = CONFIG_SYS_BR5_PRELIM;
326 	im->lbus.bank[5].or = CONFIG_SYS_OR5_PRELIM;
327 #endif
328 #if defined(CONFIG_SYS_LBLAWBAR5_PRELIM) && defined(CONFIG_SYS_LBLAWAR5_PRELIM)
329 	im->sysconf.lblaw[5].bar = CONFIG_SYS_LBLAWBAR5_PRELIM;
330 	im->sysconf.lblaw[5].ar = CONFIG_SYS_LBLAWAR5_PRELIM;
331 #endif
332 #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
333 	im->lbus.bank[6].br = CONFIG_SYS_BR6_PRELIM;
334 	im->lbus.bank[6].or = CONFIG_SYS_OR6_PRELIM;
335 #endif
336 #if defined(CONFIG_SYS_LBLAWBAR6_PRELIM) && defined(CONFIG_SYS_LBLAWAR6_PRELIM)
337 	im->sysconf.lblaw[6].bar = CONFIG_SYS_LBLAWBAR6_PRELIM;
338 	im->sysconf.lblaw[6].ar = CONFIG_SYS_LBLAWAR6_PRELIM;
339 #endif
340 #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
341 	im->lbus.bank[7].br = CONFIG_SYS_BR7_PRELIM;
342 	im->lbus.bank[7].or = CONFIG_SYS_OR7_PRELIM;
343 #endif
344 #if defined(CONFIG_SYS_LBLAWBAR7_PRELIM) && defined(CONFIG_SYS_LBLAWAR7_PRELIM)
345 	im->sysconf.lblaw[7].bar = CONFIG_SYS_LBLAWBAR7_PRELIM;
346 	im->sysconf.lblaw[7].ar = CONFIG_SYS_LBLAWAR7_PRELIM;
347 #endif
348 #ifdef CONFIG_SYS_GPIO1_PRELIM
349 	im->gpio[0].dat = CONFIG_SYS_GPIO1_DAT;
350 	im->gpio[0].dir = CONFIG_SYS_GPIO1_DIR;
351 #endif
352 #ifdef CONFIG_SYS_GPIO2_PRELIM
353 	im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT;
354 	im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
355 #endif
356 #ifdef CONFIG_USB_EHCI_FSL
357 #ifndef CONFIG_MPC834x
358 	uint32_t temp;
359 	struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR;
360 
361 	/* Configure interface. */
362 	setbits_be32(&ehci->control, REFSEL_16MHZ | UTMI_PHY_EN);
363 
364 	/* Wait for clock to stabilize */
365 	do {
366 		temp = __raw_readl(&ehci->control);
367 		udelay(1000);
368 	} while (!(temp & PHY_CLK_VALID));
369 #endif
370 #endif
371 }
372 
373 int cpu_init_r (void)
374 {
375 #ifdef CONFIG_QE
376 	uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */
377 
378 	qe_init(qe_base);
379 	qe_reset();
380 #endif
381 	return 0;
382 }
383 
384 /*
385  * Print out the bus arbiter event
386  */
387 #if defined(CONFIG_DISPLAY_AER_FULL)
388 static int print_83xx_arb_event(int force)
389 {
390 	static char* event[] = {
391 		"Address Time Out",
392 		"Data Time Out",
393 		"Address Only Transfer Type",
394 		"External Control Word Transfer Type",
395 		"Reserved Transfer Type",
396 		"Transfer Error",
397 		"reserved",
398 		"reserved"
399 	};
400 	static char* master[] = {
401 		"e300 Core Data Transaction",
402 		"reserved",
403 		"e300 Core Instruction Fetch",
404 		"reserved",
405 		"TSEC1",
406 		"TSEC2",
407 		"USB MPH",
408 		"USB DR",
409 		"Encryption Core",
410 		"I2C Boot Sequencer",
411 		"JTAG",
412 		"reserved",
413 		"eSDHC",
414 		"PCI1",
415 		"PCI2",
416 		"DMA",
417 		"QUICC Engine 00",
418 		"QUICC Engine 01",
419 		"QUICC Engine 10",
420 		"QUICC Engine 11",
421 		"reserved",
422 		"reserved",
423 		"reserved",
424 		"reserved",
425 		"SATA1",
426 		"SATA2",
427 		"SATA3",
428 		"SATA4",
429 		"reserved",
430 		"PCI Express 1",
431 		"PCI Express 2",
432 		"TDM-DMAC"
433 	};
434 	static char *transfer[] = {
435 		"Address-only, Clean Block",
436 		"Address-only, lwarx reservation set",
437 		"Single-beat or Burst write",
438 		"reserved",
439 		"Address-only, Flush Block",
440 		"reserved",
441 		"Burst write",
442 		"reserved",
443 		"Address-only, sync",
444 		"Address-only, tlbsync",
445 		"Single-beat or Burst read",
446 		"Single-beat or Burst read",
447 		"Address-only, Kill Block",
448 		"Address-only, icbi",
449 		"Burst read",
450 		"reserved",
451 		"Address-only, eieio",
452 		"reserved",
453 		"Single-beat write",
454 		"reserved",
455 		"ecowx - Illegal single-beat write",
456 		"reserved",
457 		"reserved",
458 		"reserved",
459 		"Address-only, TLB Invalidate",
460 		"reserved",
461 		"Single-beat or Burst read",
462 		"reserved",
463 		"eciwx - Illegal single-beat read",
464 		"reserved",
465 		"Burst read",
466 		"reserved"
467 	};
468 
469 	int etype = (gd->arbiter_event_attributes & AEATR_EVENT)
470 	            >> AEATR_EVENT_SHIFT;
471 	int mstr_id = (gd->arbiter_event_attributes & AEATR_MSTR_ID)
472 	              >> AEATR_MSTR_ID_SHIFT;
473 	int tbst = (gd->arbiter_event_attributes & AEATR_TBST)
474 	           >> AEATR_TBST_SHIFT;
475 	int tsize = (gd->arbiter_event_attributes & AEATR_TSIZE)
476 	            >> AEATR_TSIZE_SHIFT;
477 	int ttype = (gd->arbiter_event_attributes & AEATR_TTYPE)
478 	            >> AEATR_TTYPE_SHIFT;
479 
480 	if (!force && !gd->arbiter_event_address)
481 		return 0;
482 
483 	puts("Arbiter Event Status:\n");
484 	printf("       Event Address: 0x%08lX\n", gd->arbiter_event_address);
485 	printf("       Event Type:    0x%1x  = %s\n", etype, event[etype]);
486 	printf("       Master ID:     0x%02x = %s\n", mstr_id, master[mstr_id]);
487 	printf("       Transfer Size: 0x%1x  = %d bytes\n", (tbst<<3) | tsize,
488 				tbst ? (tsize ? tsize : 8) : 16 + 8 * tsize);
489 	printf("       Transfer Type: 0x%02x = %s\n", ttype, transfer[ttype]);
490 
491 	return gd->arbiter_event_address;
492 }
493 
494 #elif defined(CONFIG_DISPLAY_AER_BRIEF)
495 
496 static int print_83xx_arb_event(int force)
497 {
498 	if (!force && !gd->arbiter_event_address)
499 		return 0;
500 
501 	printf("Arbiter Event Status: AEATR=0x%08lX, AEADR=0x%08lX\n",
502 		gd->arbiter_event_attributes, gd->arbiter_event_address);
503 
504 	return gd->arbiter_event_address;
505 }
506 #endif /* CONFIG_DISPLAY_AER_xxxx */
507 
508 /*
509  * Figure out the cause of the reset
510  */
511 int prt_83xx_rsr(void)
512 {
513 	static struct {
514 		ulong mask;
515 		char *desc;
516 	} bits[] = {
517 		{
518 		RSR_SWSR, "Software Soft"}, {
519 		RSR_SWHR, "Software Hard"}, {
520 		RSR_JSRS, "JTAG Soft"}, {
521 		RSR_CSHR, "Check Stop"}, {
522 		RSR_SWRS, "Software Watchdog"}, {
523 		RSR_BMRS, "Bus Monitor"}, {
524 		RSR_SRS,  "External/Internal Soft"}, {
525 		RSR_HRS,  "External/Internal Hard"}
526 	};
527 	static int n = sizeof bits / sizeof bits[0];
528 	ulong rsr = gd->reset_status;
529 	int i;
530 	char *sep;
531 
532 	puts("Reset Status:");
533 
534 	sep = " ";
535 	for (i = 0; i < n; i++)
536 		if (rsr & bits[i].mask) {
537 			printf("%s%s", sep, bits[i].desc);
538 			sep = ", ";
539 		}
540 	puts("\n");
541 
542 #if defined(CONFIG_DISPLAY_AER_FULL) || defined(CONFIG_DISPLAY_AER_BRIEF)
543 	print_83xx_arb_event(rsr & RSR_BMRS);
544 #endif
545 	puts("\n");
546 
547 	return 0;
548 }
549