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Stop using immap_t for guts offset on 85xx
[u-boot] / board / freescale / mpc8544ds / mpc8544ds.c
1 /*
2  * Copyright 2007 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/immap_85xx.h>
28 #include <asm/immap_fsl_pci.h>
29 #include <asm/io.h>
30 #include <spd.h>
31 #include <miiphy.h>
32 #include <libfdt.h>
33 #include <fdt_support.h>
34
35 #include "../common/pixis.h"
36
37 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
38 extern void ddr_enable_ecc(unsigned int dram_size);
39 #endif
40
41 extern long int spd_sdram(void);
42
43 void sdram_init(void);
44
45 int board_early_init_f (void)
46 {
47         return 0;
48 }
49
50 int checkboard (void)
51 {
52         volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
53         volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
54         volatile ccsr_lbc_t *lbc = &immap->im_lbc;
55         volatile ccsr_local_ecm_t *ecm = &immap->im_local_ecm;
56
57         if ((uint)&gur->porpllsr != 0xe00e0000) {
58                 printf("immap size error %x\n",&gur->porpllsr);
59         }
60         printf ("Board: MPC8544DS\n");
61
62         lbc->ltesr = 0xffffffff;        /* Clear LBC error interrupts */
63         lbc->lteir = 0xffffffff;        /* Enable LBC error interrupts */
64         ecm->eedr = 0xffffffff;         /* Clear ecm errors */
65         ecm->eeer = 0xffffffff;         /* Enable ecm errors */
66
67         return 0;
68 }
69
70 long int
71 initdram(int board_type)
72 {
73         long dram_size = 0;
74
75         puts("Initializing\n");
76
77         dram_size = spd_sdram();
78
79 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
80         /*
81          * Initialize and enable DDR ECC.
82          */
83         ddr_enable_ecc(dram_size);
84 #endif
85         puts("    DDR: ");
86         return dram_size;
87 }
88
89 #if defined(CFG_DRAM_TEST)
90 int
91 testdram(void)
92 {
93         uint *pstart = (uint *) CFG_MEMTEST_START;
94         uint *pend = (uint *) CFG_MEMTEST_END;
95         uint *p;
96
97         printf("Testing DRAM from 0x%08x to 0x%08x\n",
98                CFG_MEMTEST_START,
99                CFG_MEMTEST_END);
100
101         printf("DRAM test phase 1:\n");
102         for (p = pstart; p < pend; p++)
103                 *p = 0xaaaaaaaa;
104
105         for (p = pstart; p < pend; p++) {
106                 if (*p != 0xaaaaaaaa) {
107                         printf ("DRAM test fails at: %08x\n", (uint) p);
108                         return 1;
109                 }
110         }
111
112         printf("DRAM test phase 2:\n");
113         for (p = pstart; p < pend; p++)
114                 *p = 0x55555555;
115
116         for (p = pstart; p < pend; p++) {
117                 if (*p != 0x55555555) {
118                         printf ("DRAM test fails at: %08x\n", (uint) p);
119                         return 1;
120                 }
121         }
122
123         printf("DRAM test passed.\n");
124         return 0;
125 }
126 #endif
127
128 #ifdef CONFIG_PCI1
129 static struct pci_controller pci1_hose;
130 #endif
131
132 #ifdef CONFIG_PCIE1
133 static struct pci_controller pcie1_hose;
134 #endif
135
136 #ifdef CONFIG_PCIE2
137 static struct pci_controller pcie2_hose;
138 #endif
139
140 #ifdef CONFIG_PCIE3
141 static struct pci_controller pcie3_hose;
142 #endif
143
144 int first_free_busno=0;
145
146 void
147 pci_init_board(void)
148 {
149         volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
150         uint devdisr = gur->devdisr;
151         uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
152         uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;
153
154         debug ("   pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",
155                 devdisr, io_sel, host_agent);
156
157         if (io_sel & 1) {
158                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
159                         printf ("    eTSEC1 is in sgmii mode.\n");
160                 if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
161                         printf ("    eTSEC3 is in sgmii mode.\n");
162         }
163
164 #ifdef CONFIG_PCIE3
165 {
166         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE3_ADDR;
167         extern void fsl_pci_init(struct pci_controller *hose);
168         struct pci_controller *hose = &pcie3_hose;
169         int pcie_ep = (host_agent == 3);
170         int pcie_configured  = io_sel >= 1;
171
172         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
173                 printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
174                         pcie_ep ? "End Point" : "Root Complex",
175                         (uint)pci);
176                 if (pci->pme_msg_det) {
177                         pci->pme_msg_det = 0xffffffff;
178                         debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
179                 }
180                 printf ("\n");
181
182                 /* inbound */
183                 pci_set_region(hose->regions + 0,
184                                CFG_PCI_MEMORY_BUS,
185                                CFG_PCI_MEMORY_PHYS,
186                                CFG_PCI_MEMORY_SIZE,
187                                PCI_REGION_MEM | PCI_REGION_MEMORY);
188
189                 /* outbound memory */
190                 pci_set_region(hose->regions + 1,
191                                CFG_PCIE3_MEM_BASE,
192                                CFG_PCIE3_MEM_PHYS,
193                                CFG_PCIE3_MEM_SIZE,
194                                PCI_REGION_MEM);
195
196                 /* outbound io */
197                 pci_set_region(hose->regions + 2,
198                                CFG_PCIE3_IO_BASE,
199                                CFG_PCIE3_IO_PHYS,
200                                CFG_PCIE3_IO_SIZE,
201                                PCI_REGION_IO);
202
203                 hose->region_count = 3;
204 #ifdef CFG_PCIE3_MEM_BASE2
205                 /* outbound memory */
206                 pci_set_region(hose->regions + 3,
207                                CFG_PCIE3_MEM_BASE2,
208                                CFG_PCIE3_MEM_PHYS2,
209                                CFG_PCIE3_MEM_SIZE2,
210                                PCI_REGION_MEM);
211                 hose->region_count++;
212 #endif
213                 hose->first_busno=first_free_busno;
214                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
215
216                 fsl_pci_init(hose);
217
218                 first_free_busno=hose->last_busno+1;
219                 printf ("    PCIE3 on bus %02x - %02x\n",
220                         hose->first_busno,hose->last_busno);
221
222                 /*
223                  * Activate ULI1575 legacy chip by performing a fake
224                  * memory access.  Needed to make ULI RTC work.
225                  */
226                 in_be32((u32 *)CFG_PCIE3_MEM_BASE);
227         } else {
228                 printf ("    PCIE3: disabled\n");
229         }
230
231  }
232 #else
233         gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
234 #endif
235
236 #ifdef CONFIG_PCIE1
237  {
238         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
239         extern void fsl_pci_init(struct pci_controller *hose);
240         struct pci_controller *hose = &pcie1_hose;
241         int pcie_ep = (host_agent == 5);
242         int pcie_configured  = io_sel & 6;
243
244         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
245                 printf ("\n    PCIE1 connected to Slot2 as %s (base address %x)",
246                         pcie_ep ? "End Point" : "Root Complex",
247                         (uint)pci);
248                 if (pci->pme_msg_det) {
249                         pci->pme_msg_det = 0xffffffff;
250                         debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
251                 }
252                 printf ("\n");
253
254                 /* inbound */
255                 pci_set_region(hose->regions + 0,
256                                CFG_PCI_MEMORY_BUS,
257                                CFG_PCI_MEMORY_PHYS,
258                                CFG_PCI_MEMORY_SIZE,
259                                PCI_REGION_MEM | PCI_REGION_MEMORY);
260
261                 /* outbound memory */
262                 pci_set_region(hose->regions + 1,
263                                CFG_PCIE1_MEM_BASE,
264                                CFG_PCIE1_MEM_PHYS,
265                                CFG_PCIE1_MEM_SIZE,
266                                PCI_REGION_MEM);
267
268                 /* outbound io */
269                 pci_set_region(hose->regions + 2,
270                                CFG_PCIE1_IO_BASE,
271                                CFG_PCIE1_IO_PHYS,
272                                CFG_PCIE1_IO_SIZE,
273                                PCI_REGION_IO);
274
275                 hose->region_count = 3;
276 #ifdef CFG_PCIE1_MEM_BASE2
277                 /* outbound memory */
278                 pci_set_region(hose->regions + 3,
279                                CFG_PCIE1_MEM_BASE2,
280                                CFG_PCIE1_MEM_PHYS2,
281                                CFG_PCIE1_MEM_SIZE2,
282                                PCI_REGION_MEM);
283                 hose->region_count++;
284 #endif
285                 hose->first_busno=first_free_busno;
286
287                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
288
289                 fsl_pci_init(hose);
290
291                 first_free_busno=hose->last_busno+1;
292                 printf("    PCIE1 on bus %02x - %02x\n",
293                        hose->first_busno,hose->last_busno);
294
295         } else {
296                 printf ("    PCIE1: disabled\n");
297         }
298
299  }
300 #else
301         gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
302 #endif
303
304 #ifdef CONFIG_PCIE2
305  {
306         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE2_ADDR;
307         extern void fsl_pci_init(struct pci_controller *hose);
308         struct pci_controller *hose = &pcie2_hose;
309         int pcie_ep = (host_agent == 3);
310         int pcie_configured  = io_sel & 4;
311
312         if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
313                 printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
314                         pcie_ep ? "End Point" : "Root Complex",
315                         (uint)pci);
316                 if (pci->pme_msg_det) {
317                         pci->pme_msg_det = 0xffffffff;
318                         debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
319                 }
320                 printf ("\n");
321
322                 /* inbound */
323                 pci_set_region(hose->regions + 0,
324                                CFG_PCI_MEMORY_BUS,
325                                CFG_PCI_MEMORY_PHYS,
326                                CFG_PCI_MEMORY_SIZE,
327                                PCI_REGION_MEM | PCI_REGION_MEMORY);
328
329                 /* outbound memory */
330                 pci_set_region(hose->regions + 1,
331                                CFG_PCIE2_MEM_BASE,
332                                CFG_PCIE2_MEM_PHYS,
333                                CFG_PCIE2_MEM_SIZE,
334                                PCI_REGION_MEM);
335
336                 /* outbound io */
337                 pci_set_region(hose->regions + 2,
338                                CFG_PCIE2_IO_BASE,
339                                CFG_PCIE2_IO_PHYS,
340                                CFG_PCIE2_IO_SIZE,
341                                PCI_REGION_IO);
342
343                 hose->region_count = 3;
344 #ifdef CFG_PCIE2_MEM_BASE2
345                 /* outbound memory */
346                 pci_set_region(hose->regions + 3,
347                                CFG_PCIE2_MEM_BASE2,
348                                CFG_PCIE2_MEM_PHYS2,
349                                CFG_PCIE2_MEM_SIZE2,
350                                PCI_REGION_MEM);
351                 hose->region_count++;
352 #endif
353                 hose->first_busno=first_free_busno;
354                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
355
356                 fsl_pci_init(hose);
357                 first_free_busno=hose->last_busno+1;
358                 printf ("    PCIE2 on bus %02x - %02x\n",
359                         hose->first_busno,hose->last_busno);
360
361         } else {
362                 printf ("    PCIE2: disabled\n");
363         }
364
365  }
366 #else
367         gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
368 #endif
369
370
371 #ifdef CONFIG_PCI1
372 {
373         volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
374         extern void fsl_pci_init(struct pci_controller *hose);
375         struct pci_controller *hose = &pci1_hose;
376
377         uint pci_agent = (host_agent == 6);
378         uint pci_speed = 66666000; /*get_clock_freq (); PCI PSPEED in [4:5] */
379         uint pci_32 = 1;
380         uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;       /* PORDEVSR[14] */
381         uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;   /* PORPLLSR[16] */
382
383
384         if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
385                 printf ("\n    PCI: %d bit, %s MHz, %s, %s, %s (base address %x)\n",
386                         (pci_32) ? 32 : 64,
387                         (pci_speed == 33333000) ? "33" :
388                         (pci_speed == 66666000) ? "66" : "unknown",
389                         pci_clk_sel ? "sync" : "async",
390                         pci_agent ? "agent" : "host",
391                         pci_arb ? "arbiter" : "external-arbiter",
392                         (uint)pci
393                         );
394
395                 /* inbound */
396                 pci_set_region(hose->regions + 0,
397                                CFG_PCI_MEMORY_BUS,
398                                CFG_PCI_MEMORY_PHYS,
399                                CFG_PCI_MEMORY_SIZE,
400                                PCI_REGION_MEM | PCI_REGION_MEMORY);
401
402                 /* outbound memory */
403                 pci_set_region(hose->regions + 1,
404                                CFG_PCI1_MEM_BASE,
405                                CFG_PCI1_MEM_PHYS,
406                                CFG_PCI1_MEM_SIZE,
407                                PCI_REGION_MEM);
408
409                 /* outbound io */
410                 pci_set_region(hose->regions + 2,
411                                CFG_PCI1_IO_BASE,
412                                CFG_PCI1_IO_PHYS,
413                                CFG_PCI1_IO_SIZE,
414                                PCI_REGION_IO);
415                 hose->region_count = 3;
416 #ifdef CFG_PCIE3_MEM_BASE2
417                 /* outbound memory */
418                 pci_set_region(hose->regions + 3,
419                                CFG_PCIE3_MEM_BASE2,
420                                CFG_PCIE3_MEM_PHYS2,
421                                CFG_PCIE3_MEM_SIZE2,
422                                PCI_REGION_MEM);
423                 hose->region_count++;
424 #endif
425                 hose->first_busno=first_free_busno;
426                 pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
427
428                 fsl_pci_init(hose);
429                 first_free_busno=hose->last_busno+1;
430                 printf ("PCI on bus %02x - %02x\n",
431                         hose->first_busno,hose->last_busno);
432         } else {
433                 printf ("    PCI: disabled\n");
434         }
435 }
436 #else
437         gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
438 #endif
439 }
440
441
442 int last_stage_init(void)
443 {
444         return 0;
445 }
446
447
448 unsigned long
449 get_board_sys_clk(ulong dummy)
450 {
451         u8 i, go_bit, rd_clks;
452         ulong val = 0;
453
454         go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
455         go_bit &= 0x01;
456
457         rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
458         rd_clks &= 0x1C;
459
460         /*
461          * Only if both go bit and the SCLK bit in VCFGEN0 are set
462          * should we be using the AUX register. Remember, we also set the
463          * GO bit to boot from the alternate bank on the on-board flash
464          */
465
466         if (go_bit) {
467                 if (rd_clks == 0x1c)
468                         i = in8(PIXIS_BASE + PIXIS_AUX);
469                 else
470                         i = in8(PIXIS_BASE + PIXIS_SPD);
471         } else {
472                 i = in8(PIXIS_BASE + PIXIS_SPD);
473         }
474
475         i &= 0x07;
476
477         switch (i) {
478         case 0:
479                 val = 33333333;
480                 break;
481         case 1:
482                 val = 40000000;
483                 break;
484         case 2:
485                 val = 50000000;
486                 break;
487         case 3:
488                 val = 66666666;
489                 break;
490         case 4:
491                 val = 83000000;
492                 break;
493         case 5:
494                 val = 100000000;
495                 break;
496         case 6:
497                 val = 133333333;
498                 break;
499         case 7:
500                 val = 166666666;
501                 break;
502         }
503
504         return val;
505 }
506
507 #if defined(CONFIG_OF_BOARD_SETUP)
508
509 void
510 ft_board_setup(void *blob, bd_t *bd)
511 {
512         int node, tmp[2];
513         const char *path;
514
515         ft_cpu_setup(blob, bd);
516
517         node = fdt_path_offset(blob, "/aliases");
518         tmp[0] = 0;
519         if (node >= 0) {
520 #ifdef CONFIG_PCI1
521                 path = fdt_getprop(blob, node, "pci0", NULL);
522                 if (path) {
523                         tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
524                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
525                 }
526 #endif
527 #ifdef CONFIG_PCIE2
528                 path = fdt_getprop(blob, node, "pci1", NULL);
529                 if (path) {
530                         tmp[1] = pcie2_hose.last_busno - pcie2_hose.first_busno;
531                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
532                 }
533 #endif
534 #ifdef CONFIG_PCIE1
535                 path = fdt_getprop(blob, node, "pci2", NULL);
536                 if (path) {
537                         tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
538                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
539                 }
540 #endif
541 #ifdef CONFIG_PCIE3
542                 path = fdt_getprop(blob, node, "pci3", NULL);
543                 if (path) {
544                         tmp[1] = pcie3_hose.last_busno - pcie3_hose.first_busno;
545                         do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
546                 }
547 #endif
548         }
549 }
550 #endif