2 * Copyright (C) 2004-2009 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
27 #ifdef CONFIG_USB_EHCI_FSL
28 #include <usb/ehci-fsl.h>
31 DECLARE_GLOBAL_DATA_PTR;
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);
40 static void config_qe_ioports(void)
43 int dir, open_drain, assign;
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);
58 * Breathe some life into the CPU...
60 * Set up the memory map,
61 * initialize a bunch of registers,
62 * initialize the UPM's
64 void cpu_init_f (volatile immap_t * im)
67 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
68 (ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) |
70 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
71 (ACR_RPTCNT << ACR_RPTCNT_SHIFT) |
75 #ifdef CONFIG_SYS_ACR_PIPE_DEP /* Arbiter pipeline depth */
76 (CONFIG_SYS_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT) |
78 #ifdef CONFIG_SYS_ACR_RPTCNT /* Arbiter repeat count */
79 (CONFIG_SYS_ACR_RPTCNT << ACR_RPTCNT_SHIFT) |
83 #ifdef CONFIG_SYS_SPCR_OPT /* Optimize transactions between CSB and other dev */
84 (SPCR_OPT << SPCR_OPT_SHIFT) |
86 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
87 (SPCR_TSECEP << SPCR_TSECEP_SHIFT) |
89 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
90 (SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) |
92 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
93 (SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) |
97 #ifdef CONFIG_SYS_SPCR_OPT
98 (CONFIG_SYS_SPCR_OPT << SPCR_OPT_SHIFT) |
100 #ifdef CONFIG_SYS_SPCR_TSECEP /* all eTSEC's Emergency priority */
101 (CONFIG_SYS_SPCR_TSECEP << SPCR_TSECEP_SHIFT) |
103 #ifdef CONFIG_SYS_SPCR_TSEC1EP /* TSEC1 Emergency priority */
104 (CONFIG_SYS_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT) |
106 #ifdef CONFIG_SYS_SPCR_TSEC2EP /* TSEC2 Emergency priority */
107 (CONFIG_SYS_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT) |
111 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
112 (SCCR_ENCCM << SCCR_ENCCM_SHIFT) |
114 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
115 (SCCR_PCICM << SCCR_PCICM_SHIFT) |
117 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
118 (SCCR_TSECCM << SCCR_TSECCM_SHIFT) |
120 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
121 (SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) |
123 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
124 (SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) |
126 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
127 (SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) |
129 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
130 (SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) |
132 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
133 (SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) |
135 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
136 (SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) |
138 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
139 (SCCR_SATACM << SCCR_SATACM_SHIFT) |
143 #ifdef CONFIG_SYS_SCCR_ENCCM /* Encryption clock mode */
144 (CONFIG_SYS_SCCR_ENCCM << SCCR_ENCCM_SHIFT) |
146 #ifdef CONFIG_SYS_SCCR_PCICM /* PCI & DMA clock mode */
147 (CONFIG_SYS_SCCR_PCICM << SCCR_PCICM_SHIFT) |
149 #ifdef CONFIG_SYS_SCCR_TSECCM /* all TSEC's clock mode */
150 (CONFIG_SYS_SCCR_TSECCM << SCCR_TSECCM_SHIFT) |
152 #ifdef CONFIG_SYS_SCCR_TSEC1CM /* TSEC1 clock mode */
153 (CONFIG_SYS_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT) |
155 #ifdef CONFIG_SYS_SCCR_TSEC2CM /* TSEC2 clock mode */
156 (CONFIG_SYS_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT) |
158 #ifdef CONFIG_SYS_SCCR_TSEC1ON /* TSEC1 clock switch */
159 (CONFIG_SYS_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT) |
161 #ifdef CONFIG_SYS_SCCR_TSEC2ON /* TSEC2 clock switch */
162 (CONFIG_SYS_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT) |
164 #ifdef CONFIG_SYS_SCCR_USBMPHCM /* USB MPH clock mode */
165 (CONFIG_SYS_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT) |
167 #ifdef CONFIG_SYS_SCCR_USBDRCM /* USB DR clock mode */
168 (CONFIG_SYS_SCCR_USBDRCM << SCCR_USBDRCM_SHIFT) |
170 #ifdef CONFIG_SYS_SCCR_SATACM /* SATA controller clock mode */
171 (CONFIG_SYS_SCCR_SATACM << SCCR_SATACM_SHIFT) |
175 /* Pointer is writable since we allocated a register for it */
176 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
178 /* Clear initial global data */
179 memset ((void *) gd, 0, sizeof (gd_t));
181 /* system performance tweaking */
182 clrsetbits_be32(&im->arbiter.acr, acr_mask, acr_val);
184 clrsetbits_be32(&im->sysconf.spcr, spcr_mask, spcr_val);
186 clrsetbits_be32(&im->clk.sccr, sccr_mask, sccr_val);
188 /* RSR - Reset Status Register - clear all status (4.6.1.3) */
189 gd->reset_status = __raw_readl(&im->reset.rsr);
190 __raw_writel(~(RSR_RES), &im->reset.rsr);
192 /* AER - Arbiter Event Register - store status */
193 gd->arbiter_event_attributes = __raw_readl(&im->arbiter.aeatr);
194 gd->arbiter_event_address = __raw_readl(&im->arbiter.aeadr);
197 * RMR - Reset Mode Register
198 * contains checkstop reset enable (4.6.1.4)
200 __raw_writel(RMR_CSRE & (1<<RMR_CSRE_SHIFT), &im->reset.rmr);
202 /* Enable Time Base & Decrementer ( so we will have udelay() )*/
203 setbits_be32(&im->sysconf.spcr, SPCR_TBEN);
205 /* System General Purpose Register */
206 #ifdef CONFIG_SYS_SICRH
207 #if defined(CONFIG_MPC834x) || defined(CONFIG_MPC8313)
208 /* regarding to MPC34x manual rev.1 bits 28..29 must be preserved */
209 __raw_writel((im->sysconf.sicrh & 0x0000000C) | CONFIG_SYS_SICRH,
212 __raw_writel(CONFIG_SYS_SICRH, &im->sysconf.sicrh);
215 #ifdef CONFIG_SYS_SICRL
216 __raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl);
218 #ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */
219 __raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr);
221 #ifdef CONFIG_SYS_OBIR /* Output buffer impedance register */
222 __raw_writel(CONFIG_SYS_OBIR, &im->sysconf.obir);
226 /* Config QE ioports */
234 /* Map banks 0 and 1 to the FLASH banks 0 and 1 at preliminary
235 * addresses - these have to be modified later when FLASH size
236 * has been determined
239 #if defined(CONFIG_SYS_BR0_PRELIM) \
240 && defined(CONFIG_SYS_OR0_PRELIM) \
241 && defined(CONFIG_SYS_LBLAWBAR0_PRELIM) \
242 && defined(CONFIG_SYS_LBLAWAR0_PRELIM)
243 im->lbus.bank[0].br = CONFIG_SYS_BR0_PRELIM;
244 im->lbus.bank[0].or = CONFIG_SYS_OR0_PRELIM;
245 im->sysconf.lblaw[0].bar = CONFIG_SYS_LBLAWBAR0_PRELIM;
246 im->sysconf.lblaw[0].ar = CONFIG_SYS_LBLAWAR0_PRELIM;
248 #error CONFIG_SYS_BR0_PRELIM, CONFIG_SYS_OR0_PRELIM, CONFIG_SYS_LBLAWBAR0_PRELIM & CONFIG_SYS_LBLAWAR0_PRELIM must be defined
251 #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
252 im->lbus.bank[1].br = CONFIG_SYS_BR1_PRELIM;
253 im->lbus.bank[1].or = CONFIG_SYS_OR1_PRELIM;
255 #if defined(CONFIG_SYS_LBLAWBAR1_PRELIM) && defined(CONFIG_SYS_LBLAWAR1_PRELIM)
256 im->sysconf.lblaw[1].bar = CONFIG_SYS_LBLAWBAR1_PRELIM;
257 im->sysconf.lblaw[1].ar = CONFIG_SYS_LBLAWAR1_PRELIM;
259 #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
260 im->lbus.bank[2].br = CONFIG_SYS_BR2_PRELIM;
261 im->lbus.bank[2].or = CONFIG_SYS_OR2_PRELIM;
263 #if defined(CONFIG_SYS_LBLAWBAR2_PRELIM) && defined(CONFIG_SYS_LBLAWAR2_PRELIM)
264 im->sysconf.lblaw[2].bar = CONFIG_SYS_LBLAWBAR2_PRELIM;
265 im->sysconf.lblaw[2].ar = CONFIG_SYS_LBLAWAR2_PRELIM;
267 #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
268 im->lbus.bank[3].br = CONFIG_SYS_BR3_PRELIM;
269 im->lbus.bank[3].or = CONFIG_SYS_OR3_PRELIM;
271 #if defined(CONFIG_SYS_LBLAWBAR3_PRELIM) && defined(CONFIG_SYS_LBLAWAR3_PRELIM)
272 im->sysconf.lblaw[3].bar = CONFIG_SYS_LBLAWBAR3_PRELIM;
273 im->sysconf.lblaw[3].ar = CONFIG_SYS_LBLAWAR3_PRELIM;
275 #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
276 im->lbus.bank[4].br = CONFIG_SYS_BR4_PRELIM;
277 im->lbus.bank[4].or = CONFIG_SYS_OR4_PRELIM;
279 #if defined(CONFIG_SYS_LBLAWBAR4_PRELIM) && defined(CONFIG_SYS_LBLAWAR4_PRELIM)
280 im->sysconf.lblaw[4].bar = CONFIG_SYS_LBLAWBAR4_PRELIM;
281 im->sysconf.lblaw[4].ar = CONFIG_SYS_LBLAWAR4_PRELIM;
283 #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
284 im->lbus.bank[5].br = CONFIG_SYS_BR5_PRELIM;
285 im->lbus.bank[5].or = CONFIG_SYS_OR5_PRELIM;
287 #if defined(CONFIG_SYS_LBLAWBAR5_PRELIM) && defined(CONFIG_SYS_LBLAWAR5_PRELIM)
288 im->sysconf.lblaw[5].bar = CONFIG_SYS_LBLAWBAR5_PRELIM;
289 im->sysconf.lblaw[5].ar = CONFIG_SYS_LBLAWAR5_PRELIM;
291 #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
292 im->lbus.bank[6].br = CONFIG_SYS_BR6_PRELIM;
293 im->lbus.bank[6].or = CONFIG_SYS_OR6_PRELIM;
295 #if defined(CONFIG_SYS_LBLAWBAR6_PRELIM) && defined(CONFIG_SYS_LBLAWAR6_PRELIM)
296 im->sysconf.lblaw[6].bar = CONFIG_SYS_LBLAWBAR6_PRELIM;
297 im->sysconf.lblaw[6].ar = CONFIG_SYS_LBLAWAR6_PRELIM;
299 #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
300 im->lbus.bank[7].br = CONFIG_SYS_BR7_PRELIM;
301 im->lbus.bank[7].or = CONFIG_SYS_OR7_PRELIM;
303 #if defined(CONFIG_SYS_LBLAWBAR7_PRELIM) && defined(CONFIG_SYS_LBLAWAR7_PRELIM)
304 im->sysconf.lblaw[7].bar = CONFIG_SYS_LBLAWBAR7_PRELIM;
305 im->sysconf.lblaw[7].ar = CONFIG_SYS_LBLAWAR7_PRELIM;
307 #ifdef CONFIG_SYS_GPIO1_PRELIM
308 im->gpio[0].dat = CONFIG_SYS_GPIO1_DAT;
309 im->gpio[0].dir = CONFIG_SYS_GPIO1_DIR;
311 #ifdef CONFIG_SYS_GPIO2_PRELIM
312 im->gpio[1].dat = CONFIG_SYS_GPIO2_DAT;
313 im->gpio[1].dir = CONFIG_SYS_GPIO2_DIR;
315 #ifdef CONFIG_USB_EHCI_FSL
316 #ifndef CONFIG_MPC834x
318 struct usb_ehci *ehci = (struct usb_ehci *)CONFIG_SYS_MPC8xxx_USB_ADDR;
320 /* Configure interface. */
321 setbits_be32(&ehci->control, REFSEL_16MHZ | UTMI_PHY_EN);
323 /* Wait for clock to stabilize */
325 temp = __raw_readl(&ehci->control);
327 } while (!(temp & PHY_CLK_VALID));
332 int cpu_init_r (void)
334 volatile immap_t *im = (volatile immap_t *)CONFIG_SYS_IMMR;
336 uint qe_base = CONFIG_SYS_IMMR + 0x00100000; /* QE immr base */
339 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
342 #ifdef CONFIG_SYS_LCRR_EADC /* external address delay */
345 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
350 #ifdef CONFIG_SYS_LCRR_DBYP /* PLL bypass */
351 CONFIG_SYS_LCRR_DBYP |
353 #ifdef CONFIG_SYS_LCRR_EADC
354 CONFIG_SYS_LCRR_EADC |
356 #ifdef CONFIG_SYS_LCRR_CLKDIV /* system clock divider */
357 CONFIG_SYS_LCRR_CLKDIV |
361 /* LCRR - Clock Ratio Register (10.3.1.16)
362 * write, read, and isync per MPC8379ERM rev.1 CLKDEV field description
364 clrsetbits_be32(&im->lbus.lcrr, lcrr_mask, lcrr_val);
365 __raw_readl(&im->lbus.lcrr);
376 * Print out the bus arbiter event
378 #if defined(CONFIG_DISPLAY_AER_FULL)
379 static int print_83xx_arb_event(int force)
381 static char* event[] = {
384 "Address Only Transfer Type",
385 "External Control Word Transfer Type",
386 "Reserved Transfer Type",
391 static char* master[] = {
392 "e300 Core Data Transaction",
394 "e300 Core Instruction Fetch",
401 "I2C Boot Sequencer",
425 static char *transfer[] = {
426 "Address-only, Clean Block",
427 "Address-only, lwarx reservation set",
428 "Single-beat or Burst write",
430 "Address-only, Flush Block",
434 "Address-only, sync",
435 "Address-only, tlbsync",
436 "Single-beat or Burst read",
437 "Single-beat or Burst read",
438 "Address-only, Kill Block",
439 "Address-only, icbi",
442 "Address-only, eieio",
446 "ecowx - Illegal single-beat write",
450 "Address-only, TLB Invalidate",
452 "Single-beat or Burst read",
454 "eciwx - Illegal single-beat read",
460 int etype = (gd->arbiter_event_attributes & AEATR_EVENT)
461 >> AEATR_EVENT_SHIFT;
462 int mstr_id = (gd->arbiter_event_attributes & AEATR_MSTR_ID)
463 >> AEATR_MSTR_ID_SHIFT;
464 int tbst = (gd->arbiter_event_attributes & AEATR_TBST)
466 int tsize = (gd->arbiter_event_attributes & AEATR_TSIZE)
467 >> AEATR_TSIZE_SHIFT;
468 int ttype = (gd->arbiter_event_attributes & AEATR_TTYPE)
469 >> AEATR_TTYPE_SHIFT;
471 if (!force && !gd->arbiter_event_address)
474 puts("Arbiter Event Status:\n");
475 printf(" Event Address: 0x%08lX\n", gd->arbiter_event_address);
476 printf(" Event Type: 0x%1x = %s\n", etype, event[etype]);
477 printf(" Master ID: 0x%02x = %s\n", mstr_id, master[mstr_id]);
478 printf(" Transfer Size: 0x%1x = %d bytes\n", (tbst<<3) | tsize,
479 tbst ? (tsize ? tsize : 8) : 16 + 8 * tsize);
480 printf(" Transfer Type: 0x%02x = %s\n", ttype, transfer[ttype]);
482 return gd->arbiter_event_address;
485 #elif defined(CONFIG_DISPLAY_AER_BRIEF)
487 static int print_83xx_arb_event(int force)
489 if (!force && !gd->arbiter_event_address)
492 printf("Arbiter Event Status: AEATR=0x%08lX, AEADR=0x%08lX\n",
493 gd->arbiter_event_attributes, gd->arbiter_event_address);
495 return gd->arbiter_event_address;
497 #endif /* CONFIG_DISPLAY_AER_xxxx */
500 * Figure out the cause of the reset
502 int prt_83xx_rsr(void)
509 RSR_SWSR, "Software Soft"}, {
510 RSR_SWHR, "Software Hard"}, {
511 RSR_JSRS, "JTAG Soft"}, {
512 RSR_CSHR, "Check Stop"}, {
513 RSR_SWRS, "Software Watchdog"}, {
514 RSR_BMRS, "Bus Monitor"}, {
515 RSR_SRS, "External/Internal Soft"}, {
516 RSR_HRS, "External/Internal Hard"}
518 static int n = sizeof bits / sizeof bits[0];
519 ulong rsr = gd->reset_status;
523 puts("Reset Status:");
526 for (i = 0; i < n; i++)
527 if (rsr & bits[i].mask) {
528 printf("%s%s", sep, bits[i].desc);
533 #if defined(CONFIG_DISPLAY_AER_FULL) || defined(CONFIG_DISPLAY_AER_BRIEF)
534 print_83xx_arb_event(rsr & RSR_BMRS);