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[karo-tx-uboot.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         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