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