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1 /*
2 * (C) Copyright 2003
3 * Josef Baumgartner <josef.baumgartner@telex.de>
4 *
5 * MCF5282 additionals
6 * (C) Copyright 2005
7 * BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
8 *
9 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
10 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
11 * Hayden Fraser (Hayden.Fraser@freescale.com)
12 *
13 * MCF5275 additions
14 * Copyright (C) 2008 Arthur Shipkowski (art@videon-central.com)
15 *
16 * See file CREDITS for list of people who contributed to this
17 * project.
18 *
19 * This program is free software; you can redistribute it and/or
20 * modify it under the terms of the GNU General Public License as
21 * published by the Free Software Foundation; either version 2 of
22 * the License, or (at your option) any later version.
23 *
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
32 * MA 02111-1307 USA
33 */
34
35 #include <common.h>
36 #include <watchdog.h>
37 #include <asm/immap.h>
38
39 #if defined(CONFIG_CMD_NET)
40 #include <config.h>
41 #include <net.h>
42 #include <asm/fec.h>
43 #endif
44
45 #ifndef CONFIG_M5272
46 /* Only 5272 Flexbus chipselect is different from the rest */
47 void init_fbcs(void)
48 {
49 volatile fbcs_t *fbcs = (fbcs_t *) (MMAP_FBCS);
50
51 #if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) \
52 && defined(CONFIG_SYS_CS0_CTRL))
53 fbcs->csar0 = CONFIG_SYS_CS0_BASE;
54 fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
55 fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
56 #else
57 #warning "Chip Select 0 are not initialized/used"
58 #endif
59 #if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \
60 && defined(CONFIG_SYS_CS1_CTRL))
61 fbcs->csar1 = CONFIG_SYS_CS1_BASE;
62 fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
63 fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
64 #endif
65 #if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) \
66 && defined(CONFIG_SYS_CS2_CTRL))
67 fbcs->csar2 = CONFIG_SYS_CS2_BASE;
68 fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
69 fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
70 #endif
71 #if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) \
72 && defined(CONFIG_SYS_CS3_CTRL))
73 fbcs->csar3 = CONFIG_SYS_CS3_BASE;
74 fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
75 fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
76 #endif
77 #if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) \
78 && defined(CONFIG_SYS_CS4_CTRL))
79 fbcs->csar4 = CONFIG_SYS_CS4_BASE;
80 fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
81 fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
82 #endif
83 #if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) \
84 && defined(CONFIG_SYS_CS5_CTRL))
85 fbcs->csar5 = CONFIG_SYS_CS5_BASE;
86 fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
87 fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
88 #endif
89 #if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) \
90 && defined(CONFIG_SYS_CS6_CTRL))
91 fbcs->csar6 = CONFIG_SYS_CS6_BASE;
92 fbcs->cscr6 = CONFIG_SYS_CS6_CTRL;
93 fbcs->csmr6 = CONFIG_SYS_CS6_MASK;
94 #endif
95 #if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) \
96 && defined(CONFIG_SYS_CS7_CTRL))
97 fbcs->csar7 = CONFIG_SYS_CS7_BASE;
98 fbcs->cscr7 = CONFIG_SYS_CS7_CTRL;
99 fbcs->csmr7 = CONFIG_SYS_CS7_MASK;
100 #endif
101 }
102 #endif
103
104 #if defined(CONFIG_M5208)
105 void cpu_init_f(void)
106 {
107 volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
108
109 #ifndef CONFIG_WATCHDOG
110 volatile wdog_t *wdg = (wdog_t *) MMAP_WDOG;
111
112 /* Disable the watchdog if we aren't using it */
113 wdg->cr = 0;
114 #endif
115
116 scm1->mpr = 0x77777777;
117 scm1->pacra = 0;
118 scm1->pacrb = 0;
119 scm1->pacrc = 0;
120 scm1->pacrd = 0;
121 scm1->pacre = 0;
122 scm1->pacrf = 0;
123
124 /* FlexBus Chipselect */
125 init_fbcs();
126
127 icache_enable();
128 }
129
130 /* initialize higher level parts of CPU like timers */
131 int cpu_init_r(void)
132 {
133 return (0);
134 }
135
136 void uart_port_conf(void)
137 {
138 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
139
140 /* Setup Ports: */
141 switch (CONFIG_SYS_UART_PORT) {
142 case 0:
143 gpio->par_uart &= GPIO_PAR_UART0_MASK;
144 gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
145 break;
146 case 1:
147 gpio->par_uart &= GPIO_PAR_UART0_MASK;
148 gpio->par_uart |= (GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD);
149 break;
150 case 2:
151 #ifdef CONFIG_SYS_UART2_PRI_GPIO
152 gpio->par_timer &=
153 (GPIO_PAR_TMR_TIN0_MASK | GPIO_PAR_TMR_TIN1_MASK);
154 gpio->par_timer |=
155 (GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD);
156 #endif
157 #ifdef CONFIG_SYS_UART2_ALT1_GPIO
158 gpio->par_feci2c &=
159 (GPIO_PAR_FECI2C_MDC_MASK | GPIO_PAR_FECI2C_MDIO_MASK);
160 gpio->par_feci2c |=
161 (GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD);
162 #endif
163 #ifdef CONFIG_SYS_UART2_ALT1_GPIO
164 gpio->par_feci2c &=
165 (GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK);
166 gpio->par_feci2c |=
167 (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
168 #endif
169 break;
170 }
171 }
172
173 #if defined(CONFIG_CMD_NET)
174 int fecpin_setclear(struct eth_device *dev, int setclear)
175 {
176 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
177
178 if (setclear) {
179 gpio->par_fec |=
180 GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC;
181 gpio->par_feci2c |=
182 GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO;
183 } else {
184 gpio->par_fec &=
185 (GPIO_PAR_FEC_7W_MASK & GPIO_PAR_FEC_MII_MASK);
186 gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_MASK;
187 }
188 return 0;
189 }
190 #endif /* CONFIG_CMD_NET */
191 #endif /* CONFIG_M5208 */
192
193 #if defined(CONFIG_M5253)
194 /*
195 * Breath some life into the CPU...
196 *
197 * Set up the memory map,
198 * initialize a bunch of registers,
199 * initialize the UPM's
200 */
201 void cpu_init_f(void)
202 {
203 mbar_writeByte(MCFSIM_MPARK, 0x40); /* 5249 Internal Core takes priority over DMA */
204 mbar_writeByte(MCFSIM_SYPCR, 0x00);
205 mbar_writeByte(MCFSIM_SWIVR, 0x0f);
206 mbar_writeByte(MCFSIM_SWSR, 0x00);
207 mbar_writeByte(MCFSIM_SWDICR, 0x00);
208 mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
209 mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
210 mbar_writeByte(MCFSIM_I2CICR, 0x00);
211 mbar_writeByte(MCFSIM_UART1ICR, 0x00);
212 mbar_writeByte(MCFSIM_UART2ICR, 0x00);
213 mbar_writeByte(MCFSIM_ICR6, 0x00);
214 mbar_writeByte(MCFSIM_ICR7, 0x00);
215 mbar_writeByte(MCFSIM_ICR8, 0x00);
216 mbar_writeByte(MCFSIM_ICR9, 0x00);
217 mbar_writeByte(MCFSIM_QSPIICR, 0x00);
218
219 mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
220 mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
221 mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
222
223 /*mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); */ /* Enable a 1 cycle pre-drive cycle on CS1 */
224
225 /* FlexBus Chipselect */
226 init_fbcs();
227
228 #ifdef CONFIG_FSL_I2C
229 CONFIG_SYS_I2C_PINMUX_REG =
230 CONFIG_SYS_I2C_PINMUX_REG & CONFIG_SYS_I2C_PINMUX_CLR;
231 CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
232 #ifdef CONFIG_SYS_I2C2_OFFSET
233 CONFIG_SYS_I2C2_PINMUX_REG &= CONFIG_SYS_I2C2_PINMUX_CLR;
234 CONFIG_SYS_I2C2_PINMUX_REG |= CONFIG_SYS_I2C2_PINMUX_SET;
235 #endif
236 #endif
237
238 /* enable instruction cache now */
239 icache_enable();
240 }
241
242 /*initialize higher level parts of CPU like timers */
243 int cpu_init_r(void)
244 {
245 return (0);
246 }
247
248 void uart_port_conf(void)
249 {
250 /* Setup Ports: */
251 switch (CONFIG_SYS_UART_PORT) {
252 case 0:
253 break;
254 case 1:
255 break;
256 case 2:
257 break;
258 }
259 }
260 #endif /* #if defined(CONFIG_M5253) */
261
262 #if defined(CONFIG_M5271)
263 void cpu_init_f(void)
264 {
265 #ifndef CONFIG_WATCHDOG
266 /* Disable the watchdog if we aren't using it */
267 mbar_writeShort(MCF_WTM_WCR, 0);
268 #endif
269
270 /* FlexBus Chipselect */
271 init_fbcs();
272
273 #ifdef CONFIG_SYS_MCF_SYNCR
274 /* Set clockspeed according to board header file */
275 mbar_writeLong(MCF_FMPLL_SYNCR, CONFIG_SYS_MCF_SYNCR);
276 #else
277 /* Set clockspeed to 100MHz */
278 mbar_writeLong(MCF_FMPLL_SYNCR,
279 MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0));
280 #endif
281 while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ;
282 }
283
284 /*
285 * initialize higher level parts of CPU like timers
286 */
287 int cpu_init_r(void)
288 {
289 return (0);
290 }
291
292 void uart_port_conf(void)
293 {
294 /* Setup Ports: */
295 switch (CONFIG_SYS_UART_PORT) {
296 case 0:
297 mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
298 MCF_GPIO_PAR_UART_U0RXD);
299 break;
300 case 1:
301 mbar_writeShort(MCF_GPIO_PAR_UART,
302 MCF_GPIO_PAR_UART_U1RXD_UART1 |
303 MCF_GPIO_PAR_UART_U1TXD_UART1);
304 break;
305 case 2:
306 mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
307 break;
308 }
309 }
310
311 #if defined(CONFIG_CMD_NET)
312 int fecpin_setclear(struct eth_device *dev, int setclear)
313 {
314 if (setclear) {
315 /* Enable Ethernet pins */
316 mbar_writeByte(MCF_GPIO_PAR_FECI2C,
317 (mbar_readByte(MCF_GPIO_PAR_FECI2C) | 0xF0));
318 } else {
319 }
320
321 return 0;
322 }
323 #endif /* CONFIG_CMD_NET */
324 #endif
325
326 #if defined(CONFIG_M5272)
327 /*
328 * Breath some life into the CPU...
329 *
330 * Set up the memory map,
331 * initialize a bunch of registers,
332 * initialize the UPM's
333 */
334 void cpu_init_f(void)
335 {
336 /* if we come from RAM we assume the CPU is
337 * already initialized.
338 */
339 #ifndef CONFIG_MONITOR_IS_IN_RAM
340 volatile sysctrl_t *sysctrl = (sysctrl_t *) (CONFIG_SYS_MBAR);
341 volatile gpio_t *gpio = (gpio_t *) (MMAP_GPIO);
342 volatile csctrl_t *csctrl = (csctrl_t *) (MMAP_FBCS);
343
344 sysctrl->sc_scr = CONFIG_SYS_SCR;
345 sysctrl->sc_spr = CONFIG_SYS_SPR;
346
347 /* Setup Ports: */
348 gpio->gpio_pacnt = CONFIG_SYS_PACNT;
349 gpio->gpio_paddr = CONFIG_SYS_PADDR;
350 gpio->gpio_padat = CONFIG_SYS_PADAT;
351 gpio->gpio_pbcnt = CONFIG_SYS_PBCNT;
352 gpio->gpio_pbddr = CONFIG_SYS_PBDDR;
353 gpio->gpio_pbdat = CONFIG_SYS_PBDAT;
354 gpio->gpio_pdcnt = CONFIG_SYS_PDCNT;
355
356 /* Memory Controller: */
357 csctrl->cs_br0 = CONFIG_SYS_BR0_PRELIM;
358 csctrl->cs_or0 = CONFIG_SYS_OR0_PRELIM;
359
360 #if (defined(CONFIG_SYS_OR1_PRELIM) && defined(CONFIG_SYS_BR1_PRELIM))
361 csctrl->cs_br1 = CONFIG_SYS_BR1_PRELIM;
362 csctrl->cs_or1 = CONFIG_SYS_OR1_PRELIM;
363 #endif
364
365 #if defined(CONFIG_SYS_OR2_PRELIM) && defined(CONFIG_SYS_BR2_PRELIM)
366 csctrl->cs_br2 = CONFIG_SYS_BR2_PRELIM;
367 csctrl->cs_or2 = CONFIG_SYS_OR2_PRELIM;
368 #endif
369
370 #if defined(CONFIG_SYS_OR3_PRELIM) && defined(CONFIG_SYS_BR3_PRELIM)
371 csctrl->cs_br3 = CONFIG_SYS_BR3_PRELIM;
372 csctrl->cs_or3 = CONFIG_SYS_OR3_PRELIM;
373 #endif
374
375 #if defined(CONFIG_SYS_OR4_PRELIM) && defined(CONFIG_SYS_BR4_PRELIM)
376 csctrl->cs_br4 = CONFIG_SYS_BR4_PRELIM;
377 csctrl->cs_or4 = CONFIG_SYS_OR4_PRELIM;
378 #endif
379
380 #if defined(CONFIG_SYS_OR5_PRELIM) && defined(CONFIG_SYS_BR5_PRELIM)
381 csctrl->cs_br5 = CONFIG_SYS_BR5_PRELIM;
382 csctrl->cs_or5 = CONFIG_SYS_OR5_PRELIM;
383 #endif
384
385 #if defined(CONFIG_SYS_OR6_PRELIM) && defined(CONFIG_SYS_BR6_PRELIM)
386 csctrl->cs_br6 = CONFIG_SYS_BR6_PRELIM;
387 csctrl->cs_or6 = CONFIG_SYS_OR6_PRELIM;
388 #endif
389
390 #if defined(CONFIG_SYS_OR7_PRELIM) && defined(CONFIG_SYS_BR7_PRELIM)
391 csctrl->cs_br7 = CONFIG_SYS_BR7_PRELIM;
392 csctrl->cs_or7 = CONFIG_SYS_OR7_PRELIM;
393 #endif
394
395 #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
396
397 /* enable instruction cache now */
398 icache_enable();
399
400 }
401
402 /*
403 * initialize higher level parts of CPU like timers
404 */
405 int cpu_init_r(void)
406 {
407 return (0);
408 }
409
410 void uart_port_conf(void)
411 {
412 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
413
414 /* Setup Ports: */
415 switch (CONFIG_SYS_UART_PORT) {
416 case 0:
417 gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
418 gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
419 break;
420 case 1:
421 gpio->gpio_pdcnt &= ~(GPIO_PDCNT_PD1MSK | GPIO_PDCNT_PD4MSK);
422 gpio->gpio_pdcnt |= (GPIO_PDCNT_URT1_RXD | GPIO_PDCNT_URT1_TXD);
423 break;
424 }
425 }
426
427 #if defined(CONFIG_CMD_NET)
428 int fecpin_setclear(struct eth_device *dev, int setclear)
429 {
430 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
431
432 if (setclear) {
433 gpio->gpio_pbcnt |= GPIO_PBCNT_E_MDC | GPIO_PBCNT_E_RXER |
434 GPIO_PBCNT_E_RXD1 | GPIO_PBCNT_E_RXD2 |
435 GPIO_PBCNT_E_RXD3 | GPIO_PBCNT_E_TXD1 |
436 GPIO_PBCNT_E_TXD2 | GPIO_PBCNT_E_TXD3;
437 } else {
438 }
439 return 0;
440 }
441 #endif /* CONFIG_CMD_NET */
442 #endif /* #if defined(CONFIG_M5272) */
443
444 #if defined(CONFIG_M5275)
445
446 /*
447 * Breathe some life into the CPU...
448 *
449 * Set up the memory map,
450 * initialize a bunch of registers,
451 * initialize the UPM's
452 */
453 void cpu_init_f(void)
454 {
455 /*
456 * if we come from RAM we assume the CPU is
457 * already initialized.
458 */
459
460 #ifndef CONFIG_MONITOR_IS_IN_RAM
461 volatile wdog_t *wdog_reg = (wdog_t *) (MMAP_WDOG);
462 volatile gpio_t *gpio_reg = (gpio_t *) (MMAP_GPIO);
463
464 /* Kill watchdog so we can initialize the PLL */
465 wdog_reg->wcr = 0;
466
467 /* FlexBus Chipselect */
468 init_fbcs();
469 #endif /* #ifndef CONFIG_MONITOR_IS_IN_RAM */
470
471 #ifdef CONFIG_FSL_I2C
472 CONFIG_SYS_I2C_PINMUX_REG &= CONFIG_SYS_I2C_PINMUX_CLR;
473 CONFIG_SYS_I2C_PINMUX_REG |= CONFIG_SYS_I2C_PINMUX_SET;
474 #endif
475
476 /* enable instruction cache now */
477 icache_enable();
478 }
479
480 /*
481 * initialize higher level parts of CPU like timers
482 */
483 int cpu_init_r(void)
484 {
485 return (0);
486 }
487
488 void uart_port_conf(void)
489 {
490 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
491
492 /* Setup Ports: */
493 switch (CONFIG_SYS_UART_PORT) {
494 case 0:
495 gpio->par_uart |= UART0_ENABLE_MASK;
496 break;
497 case 1:
498 gpio->par_uart |= UART1_ENABLE_MASK;
499 break;
500 case 2:
501 gpio->par_uart |= UART2_ENABLE_MASK;
502 break;
503 }
504 }
505
506 #if defined(CONFIG_CMD_NET)
507 int fecpin_setclear(struct eth_device *dev, int setclear)
508 {
509 struct fec_info_s *info = (struct fec_info_s *) dev->priv;
510 volatile gpio_t *gpio = (gpio_t *)MMAP_GPIO;
511
512 if (setclear) {
513 /* Enable Ethernet pins */
514 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
515 gpio->par_feci2c |= 0x0F00;
516 gpio->par_fec0hl |= 0xC0;
517 } else {
518 gpio->par_feci2c |= 0x00A0;
519 gpio->par_fec1hl |= 0xC0;
520 }
521 } else {
522 if (info->iobase == CONFIG_SYS_FEC0_IOBASE) {
523 gpio->par_feci2c &= ~0x0F00;
524 gpio->par_fec0hl &= ~0xC0;
525 } else {
526 gpio->par_feci2c &= ~0x00A0;
527 gpio->par_fec1hl &= ~0xC0;
528 }
529 }
530
531 return 0;
532 }
533 #endif /* CONFIG_CMD_NET */
534 #endif /* #if defined(CONFIG_M5275) */
535
536 #if defined(CONFIG_M5282)
537 /*
538 * Breath some life into the CPU...
539 *
540 * Set up the memory map,
541 * initialize a bunch of registers,
542 * initialize the UPM's
543 */
544 void cpu_init_f(void)
545 {
546 #ifndef CONFIG_WATCHDOG
547 /* disable watchdog if we aren't using it */
548 MCFWTM_WCR = 0;
549 #endif
550
551 #ifndef CONFIG_MONITOR_IS_IN_RAM
552 /* Set speed /PLL */
553 MCFCLOCK_SYNCR =
554 MCFCLOCK_SYNCR_MFD(CONFIG_SYS_MFD) |
555 MCFCLOCK_SYNCR_RFD(CONFIG_SYS_RFD);
556 while (!(MCFCLOCK_SYNSR & MCFCLOCK_SYNSR_LOCK)) ;
557
558 MCFGPIO_PBCDPAR = 0xc0;
559
560 /* Set up the GPIO ports */
561 #ifdef CONFIG_SYS_PEPAR
562 MCFGPIO_PEPAR = CONFIG_SYS_PEPAR;
563 #endif
564 #ifdef CONFIG_SYS_PFPAR
565 MCFGPIO_PFPAR = CONFIG_SYS_PFPAR;
566 #endif
567 #ifdef CONFIG_SYS_PJPAR
568 MCFGPIO_PJPAR = CONFIG_SYS_PJPAR;
569 #endif
570 #ifdef CONFIG_SYS_PSDPAR
571 MCFGPIO_PSDPAR = CONFIG_SYS_PSDPAR;
572 #endif
573 #ifdef CONFIG_SYS_PASPAR
574 MCFGPIO_PASPAR = CONFIG_SYS_PASPAR;
575 #endif
576 #ifdef CONFIG_SYS_PEHLPAR
577 MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
578 #endif
579 #ifdef CONFIG_SYS_PQSPAR
580 MCFGPIO_PQSPAR = CONFIG_SYS_PQSPAR;
581 #endif
582 #ifdef CONFIG_SYS_PTCPAR
583 MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR;
584 #endif
585 #ifdef CONFIG_SYS_PTDPAR
586 MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR;
587 #endif
588 #ifdef CONFIG_SYS_PUAPAR
589 MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR;
590 #endif
591
592 #ifdef CONFIG_SYS_DDRUA
593 MCFGPIO_DDRUA = CONFIG_SYS_DDRUA;
594 #endif
595
596 /* FlexBus Chipselect */
597 init_fbcs();
598
599 #endif /* CONFIG_MONITOR_IS_IN_RAM */
600
601 /* defer enabling cache until boot (see do_go) */
602 /* icache_enable(); */
603 }
604
605 /*
606 * initialize higher level parts of CPU like timers
607 */
608 int cpu_init_r(void)
609 {
610 return (0);
611 }
612
613 void uart_port_conf(void)
614 {
615 /* Setup Ports: */
616 switch (CONFIG_SYS_UART_PORT) {
617 case 0:
618 MCFGPIO_PUAPAR &= 0xFc;
619 MCFGPIO_PUAPAR |= 0x03;
620 break;
621 case 1:
622 MCFGPIO_PUAPAR &= 0xF3;
623 MCFGPIO_PUAPAR |= 0x0C;
624 break;
625 case 2:
626 MCFGPIO_PASPAR &= 0xFF0F;
627 MCFGPIO_PASPAR |= 0x00A0;
628 break;
629 }
630 }
631
632 #if defined(CONFIG_CMD_NET)
633 int fecpin_setclear(struct eth_device *dev, int setclear)
634 {
635 if (setclear) {
636 MCFGPIO_PASPAR |= 0x0F00;
637 MCFGPIO_PEHLPAR = CONFIG_SYS_PEHLPAR;
638 } else {
639 MCFGPIO_PASPAR &= 0xF0FF;
640 MCFGPIO_PEHLPAR &= ~CONFIG_SYS_PEHLPAR;
641 }
642 return 0;
643 }
644 #endif /* CONFIG_CMD_NET */
645 #endif
646
647 #if defined(CONFIG_M5249)
648 /*
649 * Breath some life into the CPU...
650 *
651 * Set up the memory map,
652 * initialize a bunch of registers,
653 * initialize the UPM's
654 */
655 void cpu_init_f(void)
656 {
657 /*
658 * NOTE: by setting the GPIO_FUNCTION registers, we ensure that the UART pins
659 * (UART0: gpio 30,27, UART1: gpio 31, 28) will be used as UART pins
660 * which is their primary function.
661 * ~Jeremy
662 */
663 mbar2_writeLong(MCFSIM_GPIO_FUNC, CONFIG_SYS_GPIO_FUNC);
664 mbar2_writeLong(MCFSIM_GPIO1_FUNC, CONFIG_SYS_GPIO1_FUNC);
665 mbar2_writeLong(MCFSIM_GPIO_EN, CONFIG_SYS_GPIO_EN);
666 mbar2_writeLong(MCFSIM_GPIO1_EN, CONFIG_SYS_GPIO1_EN);
667 mbar2_writeLong(MCFSIM_GPIO_OUT, CONFIG_SYS_GPIO_OUT);
668 mbar2_writeLong(MCFSIM_GPIO1_OUT, CONFIG_SYS_GPIO1_OUT);
669
670 /*
671 * dBug Compliance:
672 * You can verify these values by using dBug's 'ird'
673 * (Internal Register Display) command
674 * ~Jeremy
675 *
676 */
677 mbar_writeByte(MCFSIM_MPARK, 0x30); /* 5249 Internal Core takes priority over DMA */
678 mbar_writeByte(MCFSIM_SYPCR, 0x00);
679 mbar_writeByte(MCFSIM_SWIVR, 0x0f);
680 mbar_writeByte(MCFSIM_SWSR, 0x00);
681 mbar_writeLong(MCFSIM_IMR, 0xfffffbff);
682 mbar_writeByte(MCFSIM_SWDICR, 0x00);
683 mbar_writeByte(MCFSIM_TIMER1ICR, 0x00);
684 mbar_writeByte(MCFSIM_TIMER2ICR, 0x88);
685 mbar_writeByte(MCFSIM_I2CICR, 0x00);
686 mbar_writeByte(MCFSIM_UART1ICR, 0x00);
687 mbar_writeByte(MCFSIM_UART2ICR, 0x00);
688 mbar_writeByte(MCFSIM_ICR6, 0x00);
689 mbar_writeByte(MCFSIM_ICR7, 0x00);
690 mbar_writeByte(MCFSIM_ICR8, 0x00);
691 mbar_writeByte(MCFSIM_ICR9, 0x00);
692 mbar_writeByte(MCFSIM_QSPIICR, 0x00);
693
694 mbar2_writeLong(MCFSIM_GPIO_INT_EN, 0x00000080);
695 mbar2_writeByte(MCFSIM_INTBASE, 0x40); /* Base interrupts at 64 */
696 mbar2_writeByte(MCFSIM_SPURVEC, 0x00);
697 mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020); /* Enable a 1 cycle pre-drive cycle on CS1 */
698
699 /* Setup interrupt priorities for gpio7 */
700 /* mbar2_writeLong(MCFSIM_INTLEV5, 0x70000000); */
701
702 /* IDE Config registers */
703 mbar2_writeLong(MCFSIM_IDECONFIG1, 0x00000020);
704 mbar2_writeLong(MCFSIM_IDECONFIG2, 0x00000000);
705
706 /* FlexBus Chipselect */
707 init_fbcs();
708
709 /* enable instruction cache now */
710 icache_enable();
711 }
712
713 /*
714 * initialize higher level parts of CPU like timers
715 */
716 int cpu_init_r(void)
717 {
718 return (0);
719 }
720
721 void uart_port_conf(void)
722 {
723 /* Setup Ports: */
724 switch (CONFIG_SYS_UART_PORT) {
725 case 0:
726 break;
727 case 1:
728 break;
729 }
730 }
731 #endif /* #if defined(CONFIG_M5249) */