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1 /*
2 * Copyright 2007-2008 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 <command.h>
25 #include <pci.h>
26 #include <asm/processor.h>
27 #include <asm/mmu.h>
28 #include <asm/cache.h>
29 #include <asm/immap_85xx.h>
30 #include <asm/fsl_pci.h>
31 #include <asm/fsl_ddr_sdram.h>
32 #include <asm/io.h>
33 #include <miiphy.h>
34 #include <libfdt.h>
35 #include <fdt_support.h>
36 #include <tsec.h>
37
38 #include "../common/pixis.h"
39 #include "../common/sgmii_riser.h"
40
41 long int fixed_sdram(void);
42
43 int checkboard (void)
44 {
45 u8 vboot;
46 u8 *pixis_base = (u8 *)PIXIS_BASE;
47
48 puts ("Board: MPC8572DS ");
49 #ifdef CONFIG_PHYS_64BIT
50 puts ("(36-bit addrmap) ");
51 #endif
52 printf ("Sys ID: 0x%02x, "
53 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
54 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
55 in_8(pixis_base + PIXIS_PVER));
56
57 vboot = in_8(pixis_base + PIXIS_VBOOT);
58 switch ((vboot & PIXIS_VBOOT_LBMAP) >> 6) {
59 case PIXIS_VBOOT_LBMAP_NOR0:
60 puts ("vBank: 0\n");
61 break;
62 case PIXIS_VBOOT_LBMAP_PJET:
63 puts ("Promjet\n");
64 break;
65 case PIXIS_VBOOT_LBMAP_NAND:
66 puts ("NAND\n");
67 break;
68 case PIXIS_VBOOT_LBMAP_NOR1:
69 puts ("vBank: 1\n");
70 break;
71 }
72
73 return 0;
74 }
75
76 phys_size_t initdram(int board_type)
77 {
78 phys_size_t dram_size = 0;
79
80 puts("Initializing....");
81
82 #ifdef CONFIG_SPD_EEPROM
83 dram_size = fsl_ddr_sdram();
84 #else
85 dram_size = fixed_sdram();
86 #endif
87 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
88 dram_size *= 0x100000;
89
90 puts(" DDR: ");
91 return dram_size;
92 }
93
94 #if !defined(CONFIG_SPD_EEPROM)
95 /*
96 * Fixed sdram init -- doesn't use serial presence detect.
97 */
98
99 phys_size_t fixed_sdram (void)
100 {
101 volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
102 volatile ccsr_ddr_t *ddr= &immap->im_ddr;
103 uint d_init;
104
105 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
106 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
107
108 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
109 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
110 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
111 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
112 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
113 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
114 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
115 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
116 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
117 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
118
119 #if defined (CONFIG_DDR_ECC)
120 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
121 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
122 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
123 #endif
124 asm("sync;isync");
125
126 udelay(500);
127
128 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
129
130 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
131 d_init = 1;
132 debug("DDR - 1st controller: memory initializing\n");
133 /*
134 * Poll until memory is initialized.
135 * 512 Meg at 400 might hit this 200 times or so.
136 */
137 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
138 udelay(1000);
139 }
140 debug("DDR: memory initialized\n\n");
141 asm("sync; isync");
142 udelay(500);
143 #endif
144
145 return 512 * 1024 * 1024;
146 }
147
148 #endif
149
150 #ifdef CONFIG_PCIE1
151 static struct pci_controller pcie1_hose;
152 #endif
153
154 #ifdef CONFIG_PCIE2
155 static struct pci_controller pcie2_hose;
156 #endif
157
158 #ifdef CONFIG_PCIE3
159 static struct pci_controller pcie3_hose;
160 #endif
161
162 int first_free_busno=0;
163 #ifdef CONFIG_PCI
164 void pci_init_board(void)
165 {
166 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
167 uint devdisr = gur->devdisr;
168 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
169 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
170
171 debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
172 devdisr, io_sel, host_agent);
173
174 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
175 printf (" eTSEC1 is in sgmii mode.\n");
176 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
177 printf (" eTSEC2 is in sgmii mode.\n");
178 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
179 printf (" eTSEC3 is in sgmii mode.\n");
180 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
181 printf (" eTSEC4 is in sgmii mode.\n");
182
183
184 #ifdef CONFIG_PCIE3
185 {
186 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
187 struct pci_controller *hose = &pcie3_hose;
188 int pcie_ep = (host_agent == 0) || (host_agent == 3) ||
189 (host_agent == 5) || (host_agent == 6);
190 int pcie_configured = (io_sel == 0x7);
191 struct pci_region *r = hose->regions;
192 u32 temp32;
193
194 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
195 printf ("\n PCIE3 connected to ULI as %s (base address %x)",
196 pcie_ep ? "End Point" : "Root Complex",
197 (uint)pci);
198 if (pci->pme_msg_det) {
199 pci->pme_msg_det = 0xffffffff;
200 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
201 }
202 printf ("\n");
203
204 /* inbound */
205 r += fsl_pci_setup_inbound_windows(r);
206
207 /* outbound memory */
208 pci_set_region(r++,
209 CONFIG_SYS_PCIE3_MEM_BUS,
210 CONFIG_SYS_PCIE3_MEM_PHYS,
211 CONFIG_SYS_PCIE3_MEM_SIZE,
212 PCI_REGION_MEM);
213
214 /* outbound io */
215 pci_set_region(r++,
216 CONFIG_SYS_PCIE3_IO_BUS,
217 CONFIG_SYS_PCIE3_IO_PHYS,
218 CONFIG_SYS_PCIE3_IO_SIZE,
219 PCI_REGION_IO);
220
221 hose->region_count = r - hose->regions;
222 hose->first_busno=first_free_busno;
223 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
224
225 fsl_pci_init(hose);
226
227 first_free_busno=hose->last_busno+1;
228 printf (" PCIE3 on bus %02x - %02x\n",
229 hose->first_busno,hose->last_busno);
230
231 /*
232 * Activate ULI1575 legacy chip by performing a fake
233 * memory access. Needed to make ULI RTC work.
234 * Device 1d has the first on-board memory BAR.
235 */
236
237 pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ),
238 PCI_BASE_ADDRESS_1, &temp32);
239 if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
240 void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
241 temp32, 4, 0);
242 debug(" uli1572 read to %p\n", p);
243 in_be32(p);
244 }
245 } else {
246 printf (" PCIE3: disabled\n");
247 }
248
249 }
250 #else
251 gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
252 #endif
253
254 #ifdef CONFIG_PCIE2
255 {
256 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
257 struct pci_controller *hose = &pcie2_hose;
258 int pcie_ep = (host_agent == 2) || (host_agent == 4) ||
259 (host_agent == 6) || (host_agent == 0);
260 int pcie_configured = (io_sel == 0x3) || (io_sel == 0x7);
261 struct pci_region *r = hose->regions;
262
263 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
264 printf ("\n PCIE2 connected to Slot 1 as %s (base address %x)",
265 pcie_ep ? "End Point" : "Root Complex",
266 (uint)pci);
267 if (pci->pme_msg_det) {
268 pci->pme_msg_det = 0xffffffff;
269 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
270 }
271 printf ("\n");
272
273 /* inbound */
274 r += fsl_pci_setup_inbound_windows(r);
275
276 /* outbound memory */
277 pci_set_region(r++,
278 CONFIG_SYS_PCIE2_MEM_BUS,
279 CONFIG_SYS_PCIE2_MEM_PHYS,
280 CONFIG_SYS_PCIE2_MEM_SIZE,
281 PCI_REGION_MEM);
282
283 /* outbound io */
284 pci_set_region(r++,
285 CONFIG_SYS_PCIE2_IO_BUS,
286 CONFIG_SYS_PCIE2_IO_PHYS,
287 CONFIG_SYS_PCIE2_IO_SIZE,
288 PCI_REGION_IO);
289
290 hose->region_count = r - hose->regions;
291 hose->first_busno=first_free_busno;
292 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
293
294 fsl_pci_init(hose);
295 first_free_busno=hose->last_busno+1;
296 printf (" PCIE2 on bus %02x - %02x\n",
297 hose->first_busno,hose->last_busno);
298
299 } else {
300 printf (" PCIE2: disabled\n");
301 }
302
303 }
304 #else
305 gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
306 #endif
307 #ifdef CONFIG_PCIE1
308 {
309 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
310 struct pci_controller *hose = &pcie1_hose;
311 int pcie_ep = (host_agent <= 1) || (host_agent == 4) ||
312 (host_agent == 5);
313 int pcie_configured = (io_sel == 0x2) || (io_sel == 0x3) ||
314 (io_sel == 0x7) || (io_sel == 0xb) ||
315 (io_sel == 0xc) || (io_sel == 0xf);
316 struct pci_region *r = hose->regions;
317
318 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
319 printf ("\n PCIE1 connected to Slot 2 as %s (base address %x)",
320 pcie_ep ? "End Point" : "Root Complex",
321 (uint)pci);
322 if (pci->pme_msg_det) {
323 pci->pme_msg_det = 0xffffffff;
324 debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
325 }
326 printf ("\n");
327
328 /* inbound */
329 r += fsl_pci_setup_inbound_windows(r);
330
331 /* outbound memory */
332 pci_set_region(r++,
333 CONFIG_SYS_PCIE1_MEM_BUS,
334 CONFIG_SYS_PCIE1_MEM_PHYS,
335 CONFIG_SYS_PCIE1_MEM_SIZE,
336 PCI_REGION_MEM);
337
338 /* outbound io */
339 pci_set_region(r++,
340 CONFIG_SYS_PCIE1_IO_BUS,
341 CONFIG_SYS_PCIE1_IO_PHYS,
342 CONFIG_SYS_PCIE1_IO_SIZE,
343 PCI_REGION_IO);
344
345 hose->region_count = r - hose->regions;
346 hose->first_busno=first_free_busno;
347
348 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
349
350 fsl_pci_init(hose);
351
352 first_free_busno=hose->last_busno+1;
353 printf(" PCIE1 on bus %02x - %02x\n",
354 hose->first_busno,hose->last_busno);
355
356 } else {
357 printf (" PCIE1: disabled\n");
358 }
359
360 }
361 #else
362 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
363 #endif
364 }
365 #endif
366
367 int board_early_init_r(void)
368 {
369 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
370 const u8 flash_esel = 2;
371
372 /*
373 * Remap Boot flash + PROMJET region to caching-inhibited
374 * so that flash can be erased properly.
375 */
376
377 /* Flush d-cache and invalidate i-cache of any FLASH data */
378 flush_dcache();
379 invalidate_icache();
380
381 /* invalidate existing TLB entry for flash + promjet */
382 disable_tlb(flash_esel);
383
384 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
385 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
386 0, flash_esel, BOOKE_PAGESZ_256M, 1); /* ts, esel, tsize, iprot */
387
388 return 0;
389 }
390
391 #ifdef CONFIG_GET_CLK_FROM_ICS307
392 /* decode S[0-2] to Output Divider (OD) */
393 static unsigned char ics307_S_to_OD[] = {
394 10, 2, 8, 4, 5, 7, 3, 6
395 };
396
397 /* Calculate frequency being generated by ICS307-02 clock chip based upon
398 * the control bytes being programmed into it. */
399 /* XXX: This function should probably go into a common library */
400 static unsigned long
401 ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
402 {
403 const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
404 unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
405 unsigned long RDW = cw2 & 0x7F;
406 unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
407 unsigned long freq;
408
409 /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
410
411 /* cw0: C1 C0 TTL F1 F0 S2 S1 S0
412 * cw1: V8 V7 V6 V5 V4 V3 V2 V1
413 * cw2: V0 R6 R5 R4 R3 R2 R1 R0
414 *
415 * R6:R0 = Reference Divider Word (RDW)
416 * V8:V0 = VCO Divider Word (VDW)
417 * S2:S0 = Output Divider Select (OD)
418 * F1:F0 = Function of CLK2 Output
419 * TTL = duty cycle
420 * C1:C0 = internal load capacitance for cyrstal
421 */
422
423 /* Adding 1 to get a "nicely" rounded number, but this needs
424 * more tweaking to get a "properly" rounded number. */
425
426 freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
427
428 debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
429 freq);
430 return freq;
431 }
432
433 unsigned long get_board_sys_clk(ulong dummy)
434 {
435 u8 *pixis_base = (u8 *)PIXIS_BASE;
436
437 return ics307_clk_freq (
438 in_8(pixis_base + PIXIS_VSYSCLK0),
439 in_8(pixis_base + PIXIS_VSYSCLK1),
440 in_8(pixis_base + PIXIS_VSYSCLK2)
441 );
442 }
443
444 unsigned long get_board_ddr_clk(ulong dummy)
445 {
446 u8 *pixis_base = (u8 *)PIXIS_BASE;
447
448 return ics307_clk_freq (
449 in_8(pixis_base + PIXIS_VDDRCLK0),
450 in_8(pixis_base + PIXIS_VDDRCLK1),
451 in_8(pixis_base + PIXIS_VDDRCLK2)
452 );
453 }
454 #else
455 unsigned long get_board_sys_clk(ulong dummy)
456 {
457 u8 i;
458 ulong val = 0;
459 u8 *pixis_base = (u8 *)PIXIS_BASE;
460
461 i = in_8(pixis_base + PIXIS_SPD);
462 i &= 0x07;
463
464 switch (i) {
465 case 0:
466 val = 33333333;
467 break;
468 case 1:
469 val = 40000000;
470 break;
471 case 2:
472 val = 50000000;
473 break;
474 case 3:
475 val = 66666666;
476 break;
477 case 4:
478 val = 83333333;
479 break;
480 case 5:
481 val = 100000000;
482 break;
483 case 6:
484 val = 133333333;
485 break;
486 case 7:
487 val = 166666666;
488 break;
489 }
490
491 return val;
492 }
493
494 unsigned long get_board_ddr_clk(ulong dummy)
495 {
496 u8 i;
497 ulong val = 0;
498 u8 *pixis_base = (u8 *)PIXIS_BASE;
499
500 i = in_8(pixis_base + PIXIS_SPD);
501 i &= 0x38;
502 i >>= 3;
503
504 switch (i) {
505 case 0:
506 val = 33333333;
507 break;
508 case 1:
509 val = 40000000;
510 break;
511 case 2:
512 val = 50000000;
513 break;
514 case 3:
515 val = 66666666;
516 break;
517 case 4:
518 val = 83333333;
519 break;
520 case 5:
521 val = 100000000;
522 break;
523 case 6:
524 val = 133333333;
525 break;
526 case 7:
527 val = 166666666;
528 break;
529 }
530 return val;
531 }
532 #endif
533
534 #ifdef CONFIG_TSEC_ENET
535 int board_eth_init(bd_t *bis)
536 {
537 struct tsec_info_struct tsec_info[4];
538 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
539 int num = 0;
540
541 #ifdef CONFIG_TSEC1
542 SET_STD_TSEC_INFO(tsec_info[num], 1);
543 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
544 tsec_info[num].flags |= TSEC_SGMII;
545 num++;
546 #endif
547 #ifdef CONFIG_TSEC2
548 SET_STD_TSEC_INFO(tsec_info[num], 2);
549 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
550 tsec_info[num].flags |= TSEC_SGMII;
551 num++;
552 #endif
553 #ifdef CONFIG_TSEC3
554 SET_STD_TSEC_INFO(tsec_info[num], 3);
555 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
556 tsec_info[num].flags |= TSEC_SGMII;
557 num++;
558 #endif
559 #ifdef CONFIG_TSEC4
560 SET_STD_TSEC_INFO(tsec_info[num], 4);
561 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
562 tsec_info[num].flags |= TSEC_SGMII;
563 num++;
564 #endif
565
566 if (!num) {
567 printf("No TSECs initialized\n");
568
569 return 0;
570 }
571
572 #ifdef CONFIG_FSL_SGMII_RISER
573 fsl_sgmii_riser_init(tsec_info, num);
574 #endif
575
576 tsec_eth_init(bis, tsec_info, num);
577
578 return 0;
579 }
580 #endif
581
582 #if defined(CONFIG_OF_BOARD_SETUP)
583 void ft_board_setup(void *blob, bd_t *bd)
584 {
585 phys_addr_t base;
586 phys_size_t size;
587
588 ft_cpu_setup(blob, bd);
589
590 base = getenv_bootm_low();
591 size = getenv_bootm_size();
592
593 fdt_fixup_memory(blob, (u64)base, (u64)size);
594
595 #ifdef CONFIG_PCIE3
596 ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
597 #endif
598 #ifdef CONFIG_PCIE2
599 ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
600 #endif
601 #ifdef CONFIG_PCIE1
602 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
603 #endif
604 #ifdef CONFIG_FSL_SGMII_RISER
605 fsl_sgmii_riser_fdt_fixup(blob);
606 #endif
607 }
608 #endif
609
610 #ifdef CONFIG_MP
611 extern void cpu_mp_lmb_reserve(struct lmb *lmb);
612
613 void board_lmb_reserve(struct lmb *lmb)
614 {
615 cpu_mp_lmb_reserve(lmb);
616 }
617 #endif