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1 /*
2 * Copyright 2007-2009 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 <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 #include <asm/fsl_law.h>
38 #include <asm/mp.h>
39 #include <netdev.h>
40
41 #include "../common/pixis.h"
42 #include "../common/sgmii_riser.h"
43
44 DECLARE_GLOBAL_DATA_PTR;
45
46 phys_size_t fixed_sdram(void);
47
48 int checkboard(void)
49 {
50 u8 sw7;
51 u8 *pixis_base = (u8 *)PIXIS_BASE;
52
53 puts("Board: P2020DS ");
54 #ifdef CONFIG_PHYS_64BIT
55 puts("(36-bit addrmap) ");
56 #endif
57
58 printf("Sys ID: 0x%02x, "
59 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
60 in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER),
61 in_8(pixis_base + PIXIS_PVER));
62
63 sw7 = in_8(pixis_base + PIXIS_SW(7));
64 switch ((sw7 & PIXIS_SW7_LBMAP) >> 6) {
65 case 0:
66 case 1:
67 printf ("vBank: %d\n", ((sw7 & PIXIS_SW7_VBANK) >> 4));
68 break;
69 case 2:
70 case 3:
71 puts ("Promjet\n");
72 break;
73 }
74
75 return 0;
76 }
77
78 phys_size_t initdram(int board_type)
79 {
80 phys_size_t dram_size = 0;
81
82 puts("Initializing....");
83
84 #ifdef CONFIG_SPD_EEPROM
85 dram_size = fsl_ddr_sdram();
86 #else
87 dram_size = fixed_sdram();
88
89 if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE,
90 dram_size,
91 LAW_TRGT_IF_DDR) < 0) {
92 printf("ERROR setting Local Access Windows for DDR\n");
93 return 0;
94 };
95 #endif
96 dram_size = setup_ddr_tlbs(dram_size / 0x100000);
97 dram_size *= 0x100000;
98
99 puts(" DDR: ");
100 return dram_size;
101 }
102
103 #if !defined(CONFIG_SPD_EEPROM)
104 /*
105 * Fixed sdram init -- doesn't use serial presence detect.
106 */
107
108 phys_size_t fixed_sdram(void)
109 {
110 volatile ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC85xx_DDR_ADDR;
111 uint d_init;
112
113 ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
114 ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
115 ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
116 ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
117 ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
118 ddr->sdram_md_cntl = CONFIG_SYS_DDR_MODE_CTRL;
119 ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
120 ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
121 ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
122 ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
123 ddr->ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CNTL;
124 ddr->ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CNTL;
125 ddr->ddr_cdr1 = CONFIG_SYS_DDR_CDR1;
126 ddr->timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4;
127 ddr->timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5;
128
129 if (!strcmp("performance", getenv("perf_mode"))) {
130 /* Performance Mode Values */
131
132 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG_PERF;
133 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS_PERF;
134 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS_PERF;
135 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_PERF;
136 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_PERF;
137
138 asm("sync;isync");
139
140 udelay(500);
141
142 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL_PERF;
143 } else {
144 /* Stable Mode Values */
145
146 ddr->cs1_config = CONFIG_SYS_DDR_CS1_CONFIG;
147 ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
148 ddr->cs1_bnds = CONFIG_SYS_DDR_CS1_BNDS;
149 ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
150 ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
151
152 /* ECC will be assumed in stable mode */
153 ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
154 ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
155 ddr->err_sbe = CONFIG_SYS_DDR_SBE;
156
157 asm("sync;isync");
158
159 udelay(500);
160
161 ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
162 }
163
164 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
165 d_init = 1;
166 debug("DDR - 1st controller: memory initializing\n");
167 /*
168 * Poll until memory is initialized.
169 * 512 Meg at 400 might hit this 200 times or so.
170 */
171 while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0)
172 udelay(1000);
173 debug("DDR: memory initialized\n\n");
174 asm("sync; isync");
175 udelay(500);
176 #endif
177
178 return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
179 }
180
181 #endif
182
183 #ifdef CONFIG_PCIE1
184 static struct pci_controller pcie1_hose;
185 #endif
186
187 #ifdef CONFIG_PCIE2
188 static struct pci_controller pcie2_hose;
189 #endif
190
191 #ifdef CONFIG_PCIE3
192 static struct pci_controller pcie3_hose;
193 #endif
194
195 int first_free_busno = 0;
196
197 #ifdef CONFIG_PCI
198 void pci_init_board(void)
199 {
200 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
201 uint devdisr = gur->devdisr;
202 uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
203 uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
204
205 volatile ccsr_fsl_pci_t *pci;
206 struct pci_controller *hose;
207 int pcie_ep, pcie_configured;
208 struct pci_region *r;
209 /* u32 temp32; */
210
211 debug(" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
212 devdisr, io_sel, host_agent);
213
214 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
215 printf(" eTSEC2 is in sgmii mode.\n");
216 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
217 printf(" eTSEC3 is in sgmii mode.\n");
218
219 #ifdef CONFIG_PCIE2
220 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
221 hose = &pcie2_hose;
222 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_2, host_agent);
223 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
224 r = hose->regions;
225
226 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
227 printf("\n PCIE2 connected to ULI as %s (base addr %x)",
228 pcie_ep ? "End Point" : "Root Complex",
229 (uint)pci);
230 if (pci->pme_msg_det) {
231 pci->pme_msg_det = 0xffffffff;
232 debug(" with errors. Clearing. Now 0x%08x",
233 pci->pme_msg_det);
234 }
235 printf("\n");
236
237 /* outbound memory */
238 pci_set_region(r++,
239 CONFIG_SYS_PCIE2_MEM_BUS,
240 CONFIG_SYS_PCIE2_MEM_PHYS,
241 CONFIG_SYS_PCIE2_MEM_SIZE,
242 PCI_REGION_MEM);
243
244 /* outbound io */
245 pci_set_region(r++,
246 CONFIG_SYS_PCIE2_IO_BUS,
247 CONFIG_SYS_PCIE2_IO_PHYS,
248 CONFIG_SYS_PCIE2_IO_SIZE,
249 PCI_REGION_IO);
250
251 hose->region_count = r - hose->regions;
252 hose->first_busno = first_free_busno;
253
254 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
255 first_free_busno = hose->last_busno+1;
256 printf(" PCIE2 on bus %02x - %02x\n",
257 hose->first_busno, hose->last_busno);
258
259 /*
260 * The workaround doesn't work on p2020 because the location
261 * we try and read isn't valid on p2020, fix this later
262 */
263 #if 0
264 /*
265 * Activate ULI1575 legacy chip by performing a fake
266 * memory access. Needed to make ULI RTC work.
267 * Device 1d has the first on-board memory BAR.
268 */
269
270 pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0),
271 PCI_BASE_ADDRESS_1, &temp32);
272 if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
273 void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
274 temp32, 4, 0);
275 debug(" uli1575 read to %p\n", p);
276 in_be32(p);
277 }
278 #endif
279 } else {
280 printf(" PCIE2: disabled\n");
281 }
282 #else
283 gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
284 #endif
285
286 #ifdef CONFIG_PCIE3
287 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
288 hose = &pcie3_hose;
289 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_3, host_agent);
290 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
291 r = hose->regions;
292
293 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
294 printf("\n PCIE3 connected to Slot 1 as %s (base addr %x)",
295 pcie_ep ? "End Point" : "Root Complex",
296 (uint)pci);
297 if (pci->pme_msg_det) {
298 pci->pme_msg_det = 0xffffffff;
299 debug(" with errors. Clearing. Now 0x%08x",
300 pci->pme_msg_det);
301 }
302 printf("\n");
303
304 /* outbound memory */
305 pci_set_region(r++,
306 CONFIG_SYS_PCIE3_MEM_BUS,
307 CONFIG_SYS_PCIE3_MEM_PHYS,
308 CONFIG_SYS_PCIE3_MEM_SIZE,
309 PCI_REGION_MEM);
310
311 /* outbound io */
312 pci_set_region(r++,
313 CONFIG_SYS_PCIE3_IO_BUS,
314 CONFIG_SYS_PCIE3_IO_PHYS,
315 CONFIG_SYS_PCIE3_IO_SIZE,
316 PCI_REGION_IO);
317
318 hose->region_count = r - hose->regions;
319 hose->first_busno = first_free_busno;
320
321 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
322
323 first_free_busno = hose->last_busno+1;
324 printf(" PCIE3 on bus %02x - %02x\n",
325 hose->first_busno, hose->last_busno);
326
327 } else {
328 printf(" PCIE3: disabled\n");
329 }
330 #else
331 gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
332 #endif
333
334 #ifdef CONFIG_PCIE1
335 pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
336 hose = &pcie1_hose;
337 pcie_ep = is_fsl_pci_agent(LAW_TRGT_IF_PCIE_1, host_agent);
338 pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
339 r = hose->regions;
340
341 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
342 printf("\n PCIE1 connected to Slot 2 as %s (base addr %x)",
343 pcie_ep ? "End Point" : "Root Complex",
344 (uint)pci);
345 if (pci->pme_msg_det) {
346 pci->pme_msg_det = 0xffffffff;
347 debug(" with errors. Clearing. Now 0x%08x",
348 pci->pme_msg_det);
349 }
350 printf("\n");
351
352 /* outbound memory */
353 pci_set_region(r++,
354 CONFIG_SYS_PCIE1_MEM_BUS,
355 CONFIG_SYS_PCIE1_MEM_PHYS,
356 CONFIG_SYS_PCIE1_MEM_SIZE,
357 PCI_REGION_MEM);
358
359 /* outbound io */
360 pci_set_region(r++,
361 CONFIG_SYS_PCIE1_IO_BUS,
362 CONFIG_SYS_PCIE1_IO_PHYS,
363 CONFIG_SYS_PCIE1_IO_SIZE,
364 PCI_REGION_IO);
365
366 hose->region_count = r - hose->regions;
367 hose->first_busno = first_free_busno;
368
369 fsl_pci_init(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
370
371 first_free_busno = hose->last_busno+1;
372 printf(" PCIE1 on bus %02x - %02x\n",
373 hose->first_busno, hose->last_busno);
374
375 } else {
376 printf(" PCIE1: disabled\n");
377 }
378 #else
379 gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
380 #endif
381 }
382 #endif
383
384 int board_early_init_r(void)
385 {
386 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
387 const u8 flash_esel = 2;
388
389 /*
390 * Remap Boot flash + PROMJET region to caching-inhibited
391 * so that flash can be erased properly.
392 */
393
394 /* Flush d-cache and invalidate i-cache of any FLASH data */
395 flush_dcache();
396 invalidate_icache();
397
398 /* invalidate existing TLB entry for flash + promjet */
399 disable_tlb(flash_esel);
400
401 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
402 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
403 0, flash_esel, BOOKE_PAGESZ_256M, 1);
404
405 return 0;
406 }
407
408 #ifdef CONFIG_GET_CLK_FROM_ICS307
409 /* decode S[0-2] to Output Divider (OD) */
410 static unsigned char ics307_S_to_OD[] = {
411 10, 2, 8, 4, 5, 7, 3, 6
412 };
413
414 /* Calculate frequency being generated by ICS307-02 clock chip based upon
415 * the control bytes being programmed into it. */
416 /* XXX: This function should probably go into a common library */
417 static unsigned long
418 ics307_clk_freq(unsigned char cw0, unsigned char cw1, unsigned char cw2)
419 {
420 const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
421 unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
422 unsigned long RDW = cw2 & 0x7F;
423 unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
424 unsigned long freq;
425
426 /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
427
428 /* cw0: C1 C0 TTL F1 F0 S2 S1 S0
429 * cw1: V8 V7 V6 V5 V4 V3 V2 V1
430 * cw2: V0 R6 R5 R4 R3 R2 R1 R0
431 *
432 * R6:R0 = Reference Divider Word (RDW)
433 * V8:V0 = VCO Divider Word (VDW)
434 * S2:S0 = Output Divider Select (OD)
435 * F1:F0 = Function of CLK2 Output
436 * TTL = duty cycle
437 * C1:C0 = internal load capacitance for cyrstal
438 */
439
440 /* Adding 1 to get a "nicely" rounded number, but this needs
441 * more tweaking to get a "properly" rounded number. */
442
443 freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
444
445 debug("ICS307: CW[0-2]: %02X %02X %02X => %lu Hz\n", cw0, cw1, cw2,
446 freq);
447 return freq;
448 }
449
450 unsigned long get_board_sys_clk(ulong dummy)
451 {
452 return gd->bus_clk;
453 }
454
455 unsigned long get_board_ddr_clk(ulong dummy)
456 {
457 return gd->mem_clk;
458 }
459
460 unsigned long
461 calculate_board_sys_clk(ulong dummy)
462 {
463 ulong val;
464 u8 *pixis_base = (u8 *)PIXIS_BASE;
465
466 val = ics307_clk_freq(
467 in_8(pixis_base + PIXIS_VSYSCLK0),
468 in_8(pixis_base + PIXIS_VSYSCLK1),
469 in_8(pixis_base + PIXIS_VSYSCLK2));
470 debug("sysclk val = %lu\n", val);
471 return val;
472 }
473
474 unsigned long
475 calculate_board_ddr_clk(ulong dummy)
476 {
477 ulong val;
478 u8 *pixis_base = (u8 *)PIXIS_BASE;
479
480 val = ics307_clk_freq(
481 in_8(pixis_base + PIXIS_VDDRCLK0),
482 in_8(pixis_base + PIXIS_VDDRCLK1),
483 in_8(pixis_base + PIXIS_VDDRCLK2));
484 debug("ddrclk val = %lu\n", val);
485 return val;
486 }
487 #else
488 unsigned long get_board_sys_clk(ulong dummy)
489 {
490 u8 i;
491 ulong val = 0;
492 u8 *pixis_base = (u8 *)PIXIS_BASE;
493
494 i = in_8(pixis_base + PIXIS_SPD);
495 i &= 0x07;
496
497 switch (i) {
498 case 0:
499 val = 33333333;
500 break;
501 case 1:
502 val = 40000000;
503 break;
504 case 2:
505 val = 50000000;
506 break;
507 case 3:
508 val = 66666666;
509 break;
510 case 4:
511 val = 83333333;
512 break;
513 case 5:
514 val = 100000000;
515 break;
516 case 6:
517 val = 133333333;
518 break;
519 case 7:
520 val = 166666666;
521 break;
522 }
523
524 return val;
525 }
526
527 unsigned long get_board_ddr_clk(ulong dummy)
528 {
529 u8 i;
530 ulong val = 0;
531 u8 *pixis_base = (u8 *)PIXIS_BASE;
532
533 i = in_8(pixis_base + PIXIS_SPD);
534 i &= 0x38;
535 i >>= 3;
536
537 switch (i) {
538 case 0:
539 val = 33333333;
540 break;
541 case 1:
542 val = 40000000;
543 break;
544 case 2:
545 val = 50000000;
546 break;
547 case 3:
548 val = 66666666;
549 break;
550 case 4:
551 val = 83333333;
552 break;
553 case 5:
554 val = 100000000;
555 break;
556 case 6:
557 val = 133333333;
558 break;
559 case 7:
560 val = 166666666;
561 break;
562 }
563 return val;
564 }
565 #endif
566
567 #ifdef CONFIG_TSEC_ENET
568 int board_eth_init(bd_t *bis)
569 {
570 struct tsec_info_struct tsec_info[4];
571 volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
572 int num = 0;
573
574 #ifdef CONFIG_TSEC1
575 SET_STD_TSEC_INFO(tsec_info[num], 1);
576 num++;
577 #endif
578 #ifdef CONFIG_TSEC2
579 SET_STD_TSEC_INFO(tsec_info[num], 2);
580 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
581 tsec_info[num].flags |= TSEC_SGMII;
582 num++;
583 #endif
584 #ifdef CONFIG_TSEC3
585 SET_STD_TSEC_INFO(tsec_info[num], 3);
586 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
587 tsec_info[num].flags |= TSEC_SGMII;
588 num++;
589 #endif
590
591 if (!num) {
592 printf("No TSECs initialized\n");
593
594 return 0;
595 }
596
597 #ifdef CONFIG_FSL_SGMII_RISER
598 fsl_sgmii_riser_init(tsec_info, num);
599 #endif
600
601 tsec_eth_init(bis, tsec_info, num);
602
603 return pci_eth_init(bis);
604 }
605 #endif
606
607 #if defined(CONFIG_OF_BOARD_SETUP)
608 void ft_board_setup(void *blob, bd_t *bd)
609 {
610 phys_addr_t base;
611 phys_size_t size;
612
613 ft_cpu_setup(blob, bd);
614
615 base = getenv_bootm_low();
616 size = getenv_bootm_size();
617
618 fdt_fixup_memory(blob, (u64)base, (u64)size);
619
620 #ifdef CONFIG_PCIE3
621 ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
622 #endif
623 #ifdef CONFIG_PCIE2
624 ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
625 #endif
626 #ifdef CONFIG_PCIE1
627 ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
628 #endif
629 #ifdef CONFIG_FSL_SGMII_RISER
630 fsl_sgmii_riser_fdt_fixup(blob);
631 #endif
632 }
633 #endif
634
635 #ifdef CONFIG_MP
636 void board_lmb_reserve(struct lmb *lmb)
637 {
638 cpu_mp_lmb_reserve(lmb);
639 }
640 #endif