fsl_pci: Renamed immap_fsl_pci.h to fsl_pci.h
[platform/kernel/u-boot.git] / board / freescale / mpc8572ds / mpc8572ds.c
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         puts ("Board: MPC8572DS ");
46 #ifdef CONFIG_PHYS_64BIT
47         puts ("(36-bit addrmap) ");
48 #endif
49         printf ("Sys ID: 0x%02x, "
50                 "Sys Ver: 0x%02x, FPGA Ver: 0x%02x\n",
51                 in8(PIXIS_BASE + PIXIS_ID), in8(PIXIS_BASE + PIXIS_VER),
52                 in8(PIXIS_BASE + PIXIS_PVER));
53         return 0;
54 }
55
56 phys_size_t initdram(int board_type)
57 {
58         phys_size_t dram_size = 0;
59
60         puts("Initializing....");
61
62 #ifdef CONFIG_SPD_EEPROM
63         dram_size = fsl_ddr_sdram();
64 #else
65         dram_size = fixed_sdram();
66 #endif
67         dram_size = setup_ddr_tlbs(dram_size / 0x100000);
68         dram_size *= 0x100000;
69
70         puts("    DDR: ");
71         return dram_size;
72 }
73
74 #if !defined(CONFIG_SPD_EEPROM)
75 /*
76  * Fixed sdram init -- doesn't use serial presence detect.
77  */
78
79 phys_size_t fixed_sdram (void)
80 {
81         volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
82         volatile ccsr_ddr_t *ddr= &immap->im_ddr;
83         uint d_init;
84
85         ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
86         ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
87
88         ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
89         ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
90         ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
91         ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
92         ddr->sdram_mode = CONFIG_SYS_DDR_MODE_1;
93         ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
94         ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
95         ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
96         ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
97         ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
98
99 #if defined (CONFIG_DDR_ECC)
100         ddr->err_int_en = CONFIG_SYS_DDR_ERR_INT_EN;
101         ddr->err_disable = CONFIG_SYS_DDR_ERR_DIS;
102         ddr->err_sbe = CONFIG_SYS_DDR_SBE;
103 #endif
104         asm("sync;isync");
105
106         udelay(500);
107
108         ddr->sdram_cfg = CONFIG_SYS_DDR_CONTROL;
109
110 #if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
111         d_init = 1;
112         debug("DDR - 1st controller: memory initializing\n");
113         /*
114          * Poll until memory is initialized.
115          * 512 Meg at 400 might hit this 200 times or so.
116          */
117         while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
118                 udelay(1000);
119         }
120         debug("DDR: memory initialized\n\n");
121         asm("sync; isync");
122         udelay(500);
123 #endif
124
125         return 512 * 1024 * 1024;
126 }
127
128 #endif
129
130 #ifdef CONFIG_PCIE1
131 static struct pci_controller pcie1_hose;
132 #endif
133
134 #ifdef CONFIG_PCIE2
135 static struct pci_controller pcie2_hose;
136 #endif
137
138 #ifdef CONFIG_PCIE3
139 static struct pci_controller pcie3_hose;
140 #endif
141
142 extern int fsl_pci_setup_inbound_windows(struct pci_region *r);
143 extern void fsl_pci_init(struct pci_controller *hose);
144
145 int first_free_busno=0;
146 #ifdef CONFIG_PCI
147 void pci_init_board(void)
148 {
149         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_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 (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
158                 printf ("    eTSEC1 is in sgmii mode.\n");
159         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
160                 printf ("    eTSEC2 is in sgmii mode.\n");
161         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
162                 printf ("    eTSEC3 is in sgmii mode.\n");
163         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
164                 printf ("    eTSEC4 is in sgmii mode.\n");
165
166
167 #ifdef CONFIG_PCIE3
168         {
169                 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE3_ADDR;
170                 struct pci_controller *hose = &pcie3_hose;
171                 int pcie_ep = (host_agent == 0) || (host_agent == 3) ||
172                         (host_agent == 5) || (host_agent == 6);
173                 int pcie_configured  = (io_sel == 0x7);
174                 struct pci_region *r = hose->regions;
175                 u32 temp32;
176
177                 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
178                         printf ("\n    PCIE3 connected to ULI as %s (base address %x)",
179                                         pcie_ep ? "End Point" : "Root Complex",
180                                         (uint)pci);
181                         if (pci->pme_msg_det) {
182                                 pci->pme_msg_det = 0xffffffff;
183                                 debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
184                         }
185                         printf ("\n");
186
187                         /* inbound */
188                         r += fsl_pci_setup_inbound_windows(r);
189
190                         /* outbound memory */
191                         pci_set_region(r++,
192                                         CONFIG_SYS_PCIE3_MEM_BUS,
193                                         CONFIG_SYS_PCIE3_MEM_PHYS,
194                                         CONFIG_SYS_PCIE3_MEM_SIZE,
195                                         PCI_REGION_MEM);
196
197                         /* outbound io */
198                         pci_set_region(r++,
199                                         CONFIG_SYS_PCIE3_IO_BUS,
200                                         CONFIG_SYS_PCIE3_IO_PHYS,
201                                         CONFIG_SYS_PCIE3_IO_SIZE,
202                                         PCI_REGION_IO);
203
204                         hose->region_count = r - hose->regions;
205                         hose->first_busno=first_free_busno;
206                         pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
207
208                         fsl_pci_init(hose);
209
210                         first_free_busno=hose->last_busno+1;
211                         printf ("    PCIE3 on bus %02x - %02x\n",
212                                         hose->first_busno,hose->last_busno);
213
214                         /*
215                          * Activate ULI1575 legacy chip by performing a fake
216                          * memory access.  Needed to make ULI RTC work.
217                          * Device 1d has the first on-board memory BAR.
218                          */
219
220                         pci_hose_read_config_dword(hose, PCI_BDF(2, 0x1d, 0 ),
221                                         PCI_BASE_ADDRESS_1, &temp32);
222                         if (temp32 >= CONFIG_SYS_PCIE3_MEM_BUS) {
223                                 void *p = pci_mem_to_virt(PCI_BDF(2, 0x1d, 0),
224                                                                 temp32, 4, 0);
225                                 debug(" uli1572 read to %p\n", p);
226                                 in_be32(p);
227                         }
228                 } else {
229                         printf ("    PCIE3: disabled\n");
230                 }
231
232         }
233 #else
234         gur->devdisr |= MPC85xx_DEVDISR_PCIE3; /* disable */
235 #endif
236
237 #ifdef CONFIG_PCIE2
238         {
239                 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE2_ADDR;
240                 struct pci_controller *hose = &pcie2_hose;
241                 int pcie_ep = (host_agent == 2) || (host_agent == 4) ||
242                         (host_agent == 6) || (host_agent == 0);
243                 int pcie_configured  = (io_sel == 0x3) || (io_sel == 0x7);
244                 struct pci_region *r = hose->regions;
245
246                 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
247                         printf ("\n    PCIE2 connected to Slot 1 as %s (base address %x)",
248                                         pcie_ep ? "End Point" : "Root Complex",
249                                         (uint)pci);
250                         if (pci->pme_msg_det) {
251                                 pci->pme_msg_det = 0xffffffff;
252                                 debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
253                         }
254                         printf ("\n");
255
256                         /* inbound */
257                         r += fsl_pci_setup_inbound_windows(r);
258
259                         /* outbound memory */
260                         pci_set_region(r++,
261                                         CONFIG_SYS_PCIE2_MEM_BUS,
262                                         CONFIG_SYS_PCIE2_MEM_PHYS,
263                                         CONFIG_SYS_PCIE2_MEM_SIZE,
264                                         PCI_REGION_MEM);
265
266                         /* outbound io */
267                         pci_set_region(r++,
268                                         CONFIG_SYS_PCIE2_IO_BUS,
269                                         CONFIG_SYS_PCIE2_IO_PHYS,
270                                         CONFIG_SYS_PCIE2_IO_SIZE,
271                                         PCI_REGION_IO);
272
273                         hose->region_count = r - hose->regions;
274                         hose->first_busno=first_free_busno;
275                         pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
276
277                         fsl_pci_init(hose);
278                         first_free_busno=hose->last_busno+1;
279                         printf ("    PCIE2 on bus %02x - %02x\n",
280                                         hose->first_busno,hose->last_busno);
281
282                 } else {
283                         printf ("    PCIE2: disabled\n");
284                 }
285
286         }
287 #else
288         gur->devdisr |= MPC85xx_DEVDISR_PCIE2; /* disable */
289 #endif
290 #ifdef CONFIG_PCIE1
291         {
292                 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCIE1_ADDR;
293                 struct pci_controller *hose = &pcie1_hose;
294                 int pcie_ep = (host_agent <= 1) || (host_agent == 4) ||
295                         (host_agent == 5);
296                 int pcie_configured  = (io_sel == 0x2) || (io_sel == 0x3) ||
297                                         (io_sel == 0x7) || (io_sel == 0xb) ||
298                                         (io_sel == 0xc) || (io_sel == 0xf);
299                 struct pci_region *r = hose->regions;
300
301                 if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
302                         printf ("\n    PCIE1 connected to Slot 2 as %s (base address %x)",
303                                         pcie_ep ? "End Point" : "Root Complex",
304                                         (uint)pci);
305                         if (pci->pme_msg_det) {
306                                 pci->pme_msg_det = 0xffffffff;
307                                 debug (" with errors.  Clearing.  Now 0x%08x",pci->pme_msg_det);
308                         }
309                         printf ("\n");
310
311                         /* inbound */
312                         r += fsl_pci_setup_inbound_windows(r);
313
314                         /* outbound memory */
315                         pci_set_region(r++,
316                                         CONFIG_SYS_PCIE1_MEM_BUS,
317                                         CONFIG_SYS_PCIE1_MEM_PHYS,
318                                         CONFIG_SYS_PCIE1_MEM_SIZE,
319                                         PCI_REGION_MEM);
320
321                         /* outbound io */
322                         pci_set_region(r++,
323                                         CONFIG_SYS_PCIE1_IO_BUS,
324                                         CONFIG_SYS_PCIE1_IO_PHYS,
325                                         CONFIG_SYS_PCIE1_IO_SIZE,
326                                         PCI_REGION_IO);
327
328                         hose->region_count = r - hose->regions;
329                         hose->first_busno=first_free_busno;
330
331                         pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
332
333                         fsl_pci_init(hose);
334
335                         first_free_busno=hose->last_busno+1;
336                         printf("    PCIE1 on bus %02x - %02x\n",
337                                         hose->first_busno,hose->last_busno);
338
339                 } else {
340                         printf ("    PCIE1: disabled\n");
341                 }
342
343         }
344 #else
345         gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
346 #endif
347 }
348 #endif
349
350 int board_early_init_r(void)
351 {
352         const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
353         const u8 flash_esel = 2;
354
355         /*
356          * Remap Boot flash + PROMJET region to caching-inhibited
357          * so that flash can be erased properly.
358          */
359
360         /* Flush d-cache and invalidate i-cache of any FLASH data */
361         flush_dcache();
362         invalidate_icache();
363
364         /* invalidate existing TLB entry for flash + promjet */
365         disable_tlb(flash_esel);
366
367         set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,       /* tlb, epn, rpn */
368                         MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */
369                         0, flash_esel, BOOKE_PAGESZ_256M, 1);   /* ts, esel, tsize, iprot */
370
371         return 0;
372 }
373
374 #ifdef CONFIG_GET_CLK_FROM_ICS307
375 /* decode S[0-2] to Output Divider (OD) */
376 static unsigned char ics307_S_to_OD[] = {
377         10, 2, 8, 4, 5, 7, 3, 6
378 };
379
380 /* Calculate frequency being generated by ICS307-02 clock chip based upon
381  * the control bytes being programmed into it. */
382 /* XXX: This function should probably go into a common library */
383 static unsigned long
384 ics307_clk_freq (unsigned char cw0, unsigned char cw1, unsigned char cw2)
385 {
386         const unsigned long InputFrequency = CONFIG_ICS307_REFCLK_HZ;
387         unsigned long VDW = ((cw1 << 1) & 0x1FE) + ((cw2 >> 7) & 1);
388         unsigned long RDW = cw2 & 0x7F;
389         unsigned long OD = ics307_S_to_OD[cw0 & 0x7];
390         unsigned long freq;
391
392         /* CLK1Frequency = InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD) */
393
394         /* cw0:  C1 C0 TTL F1 F0 S2 S1 S0
395          * cw1:  V8 V7 V6 V5 V4 V3 V2 V1
396          * cw2:  V0 R6 R5 R4 R3 R2 R1 R0
397          *
398          * R6:R0 = Reference Divider Word (RDW)
399          * V8:V0 = VCO Divider Word (VDW)
400          * S2:S0 = Output Divider Select (OD)
401          * F1:F0 = Function of CLK2 Output
402          * TTL = duty cycle
403          * C1:C0 = internal load capacitance for cyrstal
404          */
405
406         /* Adding 1 to get a "nicely" rounded number, but this needs
407          * more tweaking to get a "properly" rounded number. */
408
409         freq = 1 + (InputFrequency * 2 * (VDW + 8) / ((RDW + 2) * OD));
410
411         debug("ICS307: CW[0-2]: %02X %02X %02X => %u Hz\n", cw0, cw1, cw2,
412                         freq);
413         return freq;
414 }
415
416 unsigned long get_board_sys_clk(ulong dummy)
417 {
418         return ics307_clk_freq (
419                         in8(PIXIS_BASE + PIXIS_VSYSCLK0),
420                         in8(PIXIS_BASE + PIXIS_VSYSCLK1),
421                         in8(PIXIS_BASE + PIXIS_VSYSCLK2)
422                         );
423 }
424
425 unsigned long get_board_ddr_clk(ulong dummy)
426 {
427         return ics307_clk_freq (
428                         in8(PIXIS_BASE + PIXIS_VDDRCLK0),
429                         in8(PIXIS_BASE + PIXIS_VDDRCLK1),
430                         in8(PIXIS_BASE + PIXIS_VDDRCLK2)
431                         );
432 }
433 #else
434 unsigned long get_board_sys_clk(ulong dummy)
435 {
436         u8 i;
437         ulong val = 0;
438
439         i = in8(PIXIS_BASE + PIXIS_SPD);
440         i &= 0x07;
441
442         switch (i) {
443                 case 0:
444                         val = 33333333;
445                         break;
446                 case 1:
447                         val = 40000000;
448                         break;
449                 case 2:
450                         val = 50000000;
451                         break;
452                 case 3:
453                         val = 66666666;
454                         break;
455                 case 4:
456                         val = 83333333;
457                         break;
458                 case 5:
459                         val = 100000000;
460                         break;
461                 case 6:
462                         val = 133333333;
463                         break;
464                 case 7:
465                         val = 166666666;
466                         break;
467         }
468
469         return val;
470 }
471
472 unsigned long get_board_ddr_clk(ulong dummy)
473 {
474         u8 i;
475         ulong val = 0;
476
477         i = in8(PIXIS_BASE + PIXIS_SPD);
478         i &= 0x38;
479         i >>= 3;
480
481         switch (i) {
482                 case 0:
483                         val = 33333333;
484                         break;
485                 case 1:
486                         val = 40000000;
487                         break;
488                 case 2:
489                         val = 50000000;
490                         break;
491                 case 3:
492                         val = 66666666;
493                         break;
494                 case 4:
495                         val = 83333333;
496                         break;
497                 case 5:
498                         val = 100000000;
499                         break;
500                 case 6:
501                         val = 133333333;
502                         break;
503                 case 7:
504                         val = 166666666;
505                         break;
506         }
507         return val;
508 }
509 #endif
510
511 #ifdef CONFIG_TSEC_ENET
512 int board_eth_init(bd_t *bis)
513 {
514         struct tsec_info_struct tsec_info[4];
515         volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
516         int num = 0;
517
518 #ifdef CONFIG_TSEC1
519         SET_STD_TSEC_INFO(tsec_info[num], 1);
520         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))
521                 tsec_info[num].flags |= TSEC_SGMII;
522         num++;
523 #endif
524 #ifdef CONFIG_TSEC2
525         SET_STD_TSEC_INFO(tsec_info[num], 2);
526         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
527                 tsec_info[num].flags |= TSEC_SGMII;
528         num++;
529 #endif
530 #ifdef CONFIG_TSEC3
531         SET_STD_TSEC_INFO(tsec_info[num], 3);
532         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))
533                 tsec_info[num].flags |= TSEC_SGMII;
534         num++;
535 #endif
536 #ifdef CONFIG_TSEC4
537         SET_STD_TSEC_INFO(tsec_info[num], 4);
538         if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))
539                 tsec_info[num].flags |= TSEC_SGMII;
540         num++;
541 #endif
542
543         if (!num) {
544                 printf("No TSECs initialized\n");
545
546                 return 0;
547         }
548
549 #ifdef CONFIG_FSL_SGMII_RISER
550         fsl_sgmii_riser_init(tsec_info, num);
551 #endif
552
553         tsec_eth_init(bis, tsec_info, num);
554
555         return 0;
556 }
557 #endif
558
559 #if defined(CONFIG_OF_BOARD_SETUP)
560 extern void ft_fsl_pci_setup(void *blob, const char *pci_alias,
561                         struct pci_controller *hose);
562
563 void ft_board_setup(void *blob, bd_t *bd)
564 {
565         phys_addr_t base;
566         phys_size_t size;
567
568         ft_cpu_setup(blob, bd);
569
570         base = getenv_bootm_low();
571         size = getenv_bootm_size();
572
573         fdt_fixup_memory(blob, (u64)base, (u64)size);
574
575 #ifdef CONFIG_PCIE3
576         ft_fsl_pci_setup(blob, "pci0", &pcie3_hose);
577 #endif
578 #ifdef CONFIG_PCIE2
579         ft_fsl_pci_setup(blob, "pci1", &pcie2_hose);
580 #endif
581 #ifdef CONFIG_PCIE1
582         ft_fsl_pci_setup(blob, "pci2", &pcie1_hose);
583 #endif
584 #ifdef CONFIG_FSL_SGMII_RISER
585         fsl_sgmii_riser_fdt_fixup(blob);
586 #endif
587 }
588 #endif
589
590 #ifdef CONFIG_MP
591 extern void cpu_mp_lmb_reserve(struct lmb *lmb);
592
593 void board_lmb_reserve(struct lmb *lmb)
594 {
595         cpu_mp_lmb_reserve(lmb);
596 }
597 #endif