2 * This file is part of the coreboot project.
4 * Copyright (C) 2010 Advanced Micro Devices, Inc.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 * for rs780 internal graphics device
22 * device id of internal grphics:
29 #include <console/console.h>
30 #include <device/device.h>
31 #include <device/pci.h>
32 #include <device/pci_ids.h>
33 #include <device/pci_ops.h>
35 #include <cpu/x86/msr.h>
38 void set_pcie_reset();
39 void set_pcie_dereset();
41 #define CLK_CNTL_INDEX 0x8
42 #define CLK_CNTL_DATA 0xC
44 /* The Integrated Info Table. */
45 ATOM_INTEGRATED_SYSTEM_INFO_V2 vgainfo;
47 static u32 clkind_read(device_t dev, u32 index)
49 u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF;
51 *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index & 0x7F;
52 return *(u32*)(gfx_bar2+CLK_CNTL_DATA);
55 static void clkind_write(device_t dev, u32 index, u32 data)
57 u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF;
58 /* printk_info("gfx bar 2 %02x\n", gfx_bar2); */
60 *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index | 1<<7;
61 *(u32*)(gfx_bar2+CLK_CNTL_DATA) = data;
65 * pci_dev_read_resources thinks it is a IO type.
66 * We have to force it to mem type.
68 static void rs780_gfx_read_resources(device_t dev)
70 printk_info("rs780_gfx_read_resources.\n");
72 /* The initial value of 0x24 is 0xFFFFFFFF, which is confusing.
73 Even if we write 0xFFFFFFFF into it, it will be 0xFFF00000,
74 which tells us it is a memory address base.
76 pci_write_config32(dev, 0x24, 0x00000000);
78 /* Get the normal pci resources of this device */
79 pci_dev_read_resources(dev);
80 compact_resources(dev);
83 typedef struct _MMIORANGE
90 MMIORANGE MMIO[8], CreativeMMIO[8];
92 MMIORANGE* AllocMMIO(MMIORANGE* pMMIO)
97 if (pMMIO[i].Limit == 0)
102 void FreeMMIO(MMIORANGE* pMMIO)
108 #define CIM_STATUS u32
109 #define CIM_SUCCESS 0x00000000
110 #define CIM_ERROR 0x80000000
111 #define CIM_UNSUPPORTED 0x80000001
112 #define CIM_DISABLEPORT 0x80000002
114 #define MMIO_ATTRIB_NP_ONLY 1
115 #define MMIO_ATTRIB_BOTTOM_TO_TOP 1<<1
116 #define MMIO_ATTRIB_SKIP_ZERO 1<<2
118 u32 SetMMIO(u32 Base, u32 Limit, u8 Attribute, MMIORANGE *pMMIO)
121 MMIORANGE * TempRange;
124 if(pMMIO[i].Attribute != Attribute && Base >= pMMIO[i].Base && Limit <= pMMIO[i].Limit)
126 TempRange = AllocMMIO(pMMIO);
127 if(TempRange == 0) return 0x80000000;
128 TempRange->Base = Limit;
129 TempRange->Limit = pMMIO[i].Limit;
130 TempRange->Attribute = pMMIO[i].Attribute;
131 pMMIO[i].Limit = Base;
134 TempRange = AllocMMIO(pMMIO);
135 if(TempRange == 0) return 0x80000000;
136 TempRange->Base = Base;
137 TempRange->Limit = Limit;
138 TempRange->Attribute = Attribute;
142 u8 FinalizeMMIO(MMIORANGE *pMMIO)
147 if (pMMIO[i].Base == pMMIO[i].Limit)
154 if (i!=j && pMMIO[i].Attribute == pMMIO[j].Attribute)
156 if (pMMIO[i].Base == pMMIO[j].Limit)
158 pMMIO[j].Limit = pMMIO[i].Limit;
161 if (pMMIO[i].Limit == pMMIO[j].Base)
163 pMMIO[j].Base = pMMIO[i].Base;
171 if (pMMIO[i].Limit != 0) n++;
176 CIM_STATUS GetCreativeMMIO(MMIORANGE *pMMIO)
178 CIM_STATUS Status = CIM_UNSUPPORTED;
179 u8 Bus, Dev, Reg, BusStart, BusEnd;
181 device_t dev0x14 = dev_find_slot(0, PCI_DEVFN(0x14, 4));
183 Value = pci_read_config32(dev0x14, 0x18);
184 BusStart = (Value >> 8) & 0xFF;
185 BusEnd = (Value >> 16) & 0xFF;
186 for(Bus = BusStart; Bus <= BusEnd; Bus++)
188 for(Dev = 0; Dev <= 0x1f; Dev++)
190 tempdev = dev_find_slot(Bus, Dev << 3);
191 Value = pci_read_config32(tempdev, 0);
192 printk_debug("Dev ID %x \n", Value);
193 if((Value & 0xffff) == 0x1102)
196 u32 MMIOStart = 0xffffffff;
198 for(Reg = 0x10; Reg < 0x20; Reg+=4)
201 BaseA = pci_read_config32(tempdev, Reg);
205 Value = Value & 0xffffff00;
208 if(MMIOStart > Value)
211 //WritePCI(PciAddress,AccWidthUint32,&LimitA);
212 pci_write_config32(tempdev, Reg, LimitA);
213 //ReadPCI(PciAddress,AccWidthUint32,&LimitA);
214 LimitA = pci_read_config32(tempdev, Reg);
215 LimitA = Value + (~LimitA + 1);
216 //WritePCI(PciAddress,AccWidthUint32,&BaseA);
217 pci_write_config32(tempdev, Reg, BaseA);
218 if (LimitA > MMIOLimit)
223 printk_debug(" MMIOStart %x MMIOLimit %x \n", MMIOStart, MMIOLimit);
224 if (MMIOStart < MMIOLimit)
226 Status = SetMMIO(MMIOStart>>8, MMIOLimit>>8, 0x80, pMMIO);
227 if(Status == CIM_ERROR) return Status;
232 if(Status == CIM_SUCCESS)
235 if(FinalizeMMIO(pMMIO) > 4)
244 void ProgramMMIO(MMIORANGE *pMMIO, u8 LinkID, u8 Attribute)
250 k8_f1 = dev_find_slot(0, PCI_DEVFN(0x18, 1));
252 for(i = 0; i < 8; i++)
257 for(j = 0; j < 8; j++)
259 if (Base < pMMIO[j].Base)
261 Base = pMMIO[j].Base;
265 if(pMMIO[k].Limit != 0)
267 if(Attribute & MMIO_ATTRIB_NP_ONLY && pMMIO[k].Attribute == 0 )
273 Base = pMMIO[k].Base | 0x3;
274 Limit= ((pMMIO[k].Limit - 1) & 0xffffff00) | pMMIO[k].Attribute | (LinkID << 4);
278 if (Attribute & MMIO_ATTRIB_SKIP_ZERO && Base == 0 && Limit == 0) continue;
279 MmioReg = (Attribute & MMIO_ATTRIB_BOTTOM_TO_TOP)?n:(7-n);
281 //RWPCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,0x0,0x0);
282 pci_write_config32(k8_f1, 0x80+MmioReg*8, 0);
284 //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x84+MmioReg*8),AccWidthUint32 |S3_SAVE,&Limit);
285 pci_write_config32(k8_f1, 0x84+MmioReg*8, Limit);
287 //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,&Base);
288 pci_write_config32(k8_f1, 0x80+MmioReg*8, Base);
292 static void internal_gfx_pci_dev_init(struct device *dev)
294 unsigned char * bpointer;
295 volatile u32 * GpuF0MMReg;
296 volatile u32 * pointer;
299 u32 value, temp, Base32, Limit32;
301 u16 deviceid, vendorid;
302 device_t nb_dev = dev_find_slot(0, 0);
303 device_t k8_f2 = dev_find_slot(0, PCI_DEVFN(0x18, 2));
304 device_t k8_f1 = dev_find_slot(0, PCI_DEVFN(0x18, 1));
305 device_t k8_f0 = dev_find_slot(0, PCI_DEVFN(0x18, 0));
306 device_t dev0x14 = dev_find_slot(0, PCI_DEVFN(0x14, 4));
308 struct southbridge_amd_rs780_config *cfg =
309 (struct southbridge_amd_rs780_config *)dev->chip_info;
311 deviceid = pci_read_config16(dev, PCI_DEVICE_ID);
312 vendorid = pci_read_config16(dev, PCI_VENDOR_ID);
313 printk_info("internal_gfx_pci_dev_init device=%x, vendor=%x.\n",
316 command = pci_read_config16(dev, 0x04);
318 pci_write_config16(dev, 0x04, command);
321 bpointer = (unsigned char *) &vgainfo;
322 for(i=0; i<sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i++)
328 GpuF0MMReg = (u32 *)pci_read_config32(dev, 0x18);
330 /* GFX_InitFBAccess. */
331 value = nbmc_read_index(nb_dev, 0x10);
332 *(GpuF0MMReg + 0x2000/4) = 0x11;
333 *(GpuF0MMReg + 0x2180/4) = ((value&0xff00)>>8)|((value&0xff000000)>>8);
334 *(GpuF0MMReg + 0x2c04/4) = ((value&0xff0)<<8);
335 *(GpuF0MMReg + 0x5428/4) = ((value&0xffff0000)+0x10000)-((value&0xffff)<<16);
336 *(GpuF0MMReg + 0x2000/4) = 0x00000011;
337 *(GpuF0MMReg + 0x200c/4) = 0x00000020;
338 *(GpuF0MMReg + 0x2010/4) = 0x10204810;
339 *(GpuF0MMReg + 0x2010/4) = 0x00204810;
340 *(GpuF0MMReg + 0x2014/4) = 0x10408810;
341 *(GpuF0MMReg + 0x2014/4) = 0x00408810;
342 *(GpuF0MMReg + 0x2414/4) = 0x00000080;
343 *(GpuF0MMReg + 0x2418/4) = 0x84422415;
344 *(GpuF0MMReg + 0x2418/4) = 0x04422415;
345 *(GpuF0MMReg + 0x5490/4) = 0x00000001;
346 *(GpuF0MMReg + 0x7de4/4) |= (1<<3) | (1<<4);
347 /* Force allow LDT_STOP Cool'n'Quiet workaround. */
348 *(GpuF0MMReg + 0x655c/4) |= 1<<4;
349 /* GFX_InitFBAccess finished. */
352 #if (CONFIG_GFXUMA == 1) /* for UMA mode. */
353 /* MC_INIT_COMPLETE. */
354 set_nbmc_enable_bits(nb_dev, 0x2, 0, 1<<31);
355 /* MC_STARTUP, MC_POWERED_UP and MC_VMODE.*/
356 set_nbmc_enable_bits(nb_dev, 0x1, 1<<18, 1|1<<2);
358 set_nbmc_enable_bits(nb_dev, 0xb1, 0, 1<<6);
359 set_nbmc_enable_bits(nb_dev, 0xc3, 0, 1);
360 nbmc_write_index(nb_dev, 0x07, 0x18);
361 nbmc_write_index(nb_dev, 0x06, 0x00000102);
362 nbmc_write_index(nb_dev, 0x09, 0x40000008);
363 set_nbmc_enable_bits(nb_dev, 0x6, 0, 1<<31);
364 /* GFX_StartMC finished. */
367 set_nbmc_enable_bits(nb_dev, 0xaa, 0xf0, 0x30);
368 set_nbmc_enable_bits(nb_dev, 0xce, 0xf0, 0x30);
369 set_nbmc_enable_bits(nb_dev, 0xca, 0xff000000, 0x47000000);
370 set_nbmc_enable_bits(nb_dev, 0xcb, 0x3f000000, 0x01000000);
371 set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<0);
372 set_nbmc_enable_bits(nb_dev, 0x04, 0, 1<<31);
373 set_nbmc_enable_bits(nb_dev, 0xb4, 0x3f, 0x3f);
374 set_nbmc_enable_bits(nb_dev, 0xb4, 0, 1<<6);
375 set_nbmc_enable_bits(nb_dev, 0xc3, 1<<11, 0);
376 set_nbmc_enable_bits(nb_dev, 0xa0, 1<<29, 0);
377 nbmc_write_index(nb_dev, 0xa4, 0x3484576f);
378 nbmc_write_index(nb_dev, 0xa5, 0x222222df);
379 nbmc_write_index(nb_dev, 0xa6, 0x00000000);
380 nbmc_write_index(nb_dev, 0xa7, 0x00000000);
381 set_nbmc_enable_bits(nb_dev, 0xc3, 1<<8, 0);
383 set_nbmc_enable_bits(nb_dev, 0xc3, 1<<9, 0);
385 set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<2);
387 set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<3);
388 set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<31);
390 set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<31);
391 set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<30);
392 set_nbmc_enable_bits(nb_dev, 0xa0, 1<<31, 0);
393 set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<29);
394 nbmc_write_index(nb_dev, 0xa4, 0x23484576);
395 nbmc_write_index(nb_dev, 0xa5, 0x00000000);
396 nbmc_write_index(nb_dev, 0xa6, 0x00000000);
397 nbmc_write_index(nb_dev, 0xa7, 0x00000000);
398 /* GFX_StartMC finished. */
400 /* GFX_SPPowerManagment, don't care for new. */
401 /* Post MC Init table programming. */
402 set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b);
404 /* Do we need Write and Read Calibration? */
405 /* GFX_Init finished. */
408 /* GFX_InitIntegratedInfo. */
409 /* fill the Integrated Info Table. */
410 vgainfo.sHeader.usStructureSize = sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2);
411 vgainfo.sHeader.ucTableFormatRevision = 1;
412 vgainfo.sHeader.ucTableContentRevision = 2;
414 #if (CONFIG_GFXUMA == 0) /* SP mode. */
415 vgainfo.ulBootUpSidePortClock = 667*100;
416 vgainfo.ucMemoryType = 3;
417 vgainfo.ulMinSidePortClock = 333*100;
420 vgainfo.ulBootUpEngineClock = 500 * 100; /* set boot up GFX engine clock. */
421 vgainfo.ulReserved1[0] = 0; vgainfo.ulReserved1[1] = 0;
422 value = pci_read_config32(k8_f2, 0x94);
423 printk_debug("MEMCLK = %x\n", value&0x7);
424 vgainfo.ulBootUpUMAClock = 333 * 100; /* set boot up UMA memory clock. */
425 vgainfo.ulBootUpSidePortClock = 0; /* disable SP. */
426 vgainfo.ulMinSidePortClock = 0; /* disable SP. */
428 vgainfo.ulReserved2[i] = 0;
429 vgainfo.ulSystemConfig = 0;
430 //vgainfo.ulSystemConfig |= 1<<1 | 1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7 | 1;
431 vgainfo.ulBootUpReqDisplayVector = 0; //?
432 vgainfo.ulOtherDisplayMisc = 0; //?
433 vgainfo.ulDDISlot1Config = 0x000c0011; //0; //?
434 vgainfo.ulDDISlot2Config = 0x00130022; //0; //?
435 vgainfo.ucMemoryType = 2;
436 /* UMA Channel Number: 1 or 2. */
437 vgainfo.ucUMAChannelNumber = 2;
438 vgainfo.ucDockingPinBit = 0; //?
439 vgainfo.ucDockingPinPolarity = 0; //?
440 vgainfo.ulDockingPinCFGInfo = 0; //?
441 vgainfo.ulCPUCapInfo = 3; /* K8. */
443 /* page 5-19 on BDG. */
444 vgainfo.usNumberOfCyclesInPeriod = 0x8019;
445 vgainfo.usMaxNBVoltage = 0x1a;
446 vgainfo.usMinNBVoltage = 0;
447 vgainfo.usBootUpNBVoltage = 0x1a;
449 value = pci_read_config32(nb_dev, 0xd0);
450 printk_debug("NB HT speed = %x.\n", value);
451 value = pci_read_config32(k8_f0, 0x88);
452 printk_debug("CPU HT speed = %x.\n", value);
453 vgainfo.ulHTLinkFreq = 100 * 100; /* set HT speed. */
456 value = pci_read_config32(nb_dev, 0xc8);
457 printk_debug("HT width = %x.\n", value);
458 vgainfo.usMinHTLinkWidth = 16;
459 vgainfo.usMaxHTLinkWidth = 16;
460 vgainfo.usUMASyncStartDelay = 322;
461 vgainfo.usUMADataReturnTime = 86;
462 vgainfo.usLinkStatusZeroTime = 0x00c8; //0; //?
463 vgainfo.usReserved = 0;
464 vgainfo.ulHighVoltageHTLinkFreq = 100 * 100;
465 vgainfo.ulLowVoltageHTLinkFreq = 100 * 100;
466 vgainfo.usMaxUpStreamHTLinkWidth = 16;
467 vgainfo.usMaxDownStreamHTLinkWidth = 16;
468 vgainfo.usMinUpStreamHTLinkWidth = 16;
469 vgainfo.usMinDownStreamHTLinkWidth = 16;
471 vgainfo.ulReserved3[i] = 0;
473 /* Transfer the Table to VBIOS. */
474 pointer = (u32 *)&vgainfo;
475 for(i=0; i<sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i+=4)
477 #if (CONFIG_GFXUMA == 1)
478 *GpuF0MMReg = 0x80000000 + 0x10000000 - 512 + i;
480 *GpuF0MMReg = 0x80000000 + 0x8000000 - 512 + i;
482 *(GpuF0MMReg+1) = *pointer++;
488 temp8 = pci_read_config8(dev, 0x4);
489 //temp8 &= ~1; /* CIM clears this bit. Strangely, I can'd. */
491 pci_write_config8(dev, 0x4, temp8);
494 #if 0 /* Trust the original resource allocation. Don't do it again. */
495 /* NB_SetupMGMMIO. */
497 /* clear MMIO and CreativeMMIO. */
498 bpointer = (unsigned char *)MMIO;
499 for(i=0; i<sizeof(MMIO); i++)
504 bpointer = (unsigned char *)CreativeMMIO;
505 for(i=0; i<sizeof(CreativeMMIO); i++)
511 /* Set MMIO ranges in K8. */
512 /* Set MMIO TOM - 4G. */
513 SetMMIO(0x400<<12, 0x1000000, 0x80, &MMIO[0]);
514 /* Set MMIO for VGA Legacy FB. */
515 SetMMIO(0xa00, 0xc00, 0x80, &MMIO[0]);
517 /* Set MMIO for non prefetchable P2P. */
518 temp = pci_read_config32(dev0x14, 0x20);
519 Base32 = (temp & 0x0fff0) << 8;
520 Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8;
523 Status = GetCreativeMMIO(&CreativeMMIO[0]);
524 if(Status != CIM_ERROR)
525 SetMMIO(Base32, Limit32, 0x0, &MMIO[0]);
527 /* Set MMIO for prefetchable P2P. */
528 if(Status != CIM_ERROR)
530 temp = pci_read_config32(dev0x14, 0x24);
532 Base32 = (temp & 0x0fff0) <<8;
533 Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8;
535 SetMMIO(Base32, Limit32, 0x0, &MMIO[0]);
538 FinalizeMMIO(&MMIO[0]);
540 ProgramMMIO(&CreativeMMIO[0], 0, MMIO_ATTRIB_NP_ONLY);
541 ProgramMMIO(&MMIO[0], 0, MMIO_ATTRIB_NP_ONLY | MMIO_ATTRIB_BOTTOM_TO_TOP | MMIO_ATTRIB_SKIP_ZERO);
547 clkind_write(dev, 0x08, 0x01);
548 clkind_write(dev, 0x0C, 0x22);
549 clkind_write(dev, 0x0F, 0x0);
550 clkind_write(dev, 0x11, 0x0);
551 clkind_write(dev, 0x12, 0x0);
552 clkind_write(dev, 0x14, 0x0);
553 clkind_write(dev, 0x15, 0x0);
554 clkind_write(dev, 0x16, 0x0);
555 clkind_write(dev, 0x17, 0x0);
556 clkind_write(dev, 0x18, 0x0);
557 clkind_write(dev, 0x19, 0x0);
558 clkind_write(dev, 0x1A, 0x0);
559 clkind_write(dev, 0x1B, 0x0);
560 clkind_write(dev, 0x1C, 0x0);
561 clkind_write(dev, 0x1D, 0x0);
562 clkind_write(dev, 0x1E, 0x0);
563 clkind_write(dev, 0x26, 0x0);
564 clkind_write(dev, 0x27, 0x0);
565 clkind_write(dev, 0x28, 0x0);
566 clkind_write(dev, 0x5C, 0x0);
571 * Set registers in RS780 and CPU to enable the internal GFX.
572 * Please refer to CIM source code and BKDG.
574 extern uint64_t uma_memory_base, uma_memory_size;
576 static void rs780_internal_gfx_enable(device_t dev)
580 device_t k8_f0 = 0, k8_f2 = 0;
581 device_t nb_dev = dev_find_slot(0, 0);
584 #if (CONFIG_GFXUMA == 0)
585 u32 FB_Start, FB_End;
588 printk_info("rs780_internal_gfx_enable dev = 0x%p, nb_dev = 0x%p.\n", dev, nb_dev);
590 sysmem = rdmsr(0xc001001a);
591 printk_info("sysmem = %x_%x\n", sysmem.hi, sysmem.lo);
593 /* The system top memory in 780. */
594 pci_write_config32(nb_dev, 0x90, sysmem.lo);
595 htiu_write_index(nb_dev, 0x30, 0);
596 htiu_write_index(nb_dev, 0x31, 0);
598 /* Disable external GFX and enable internal GFX. */
599 l_dword = pci_read_config32(nb_dev, 0x8c);
602 pci_write_config32(nb_dev, 0x8c, l_dword);
604 /* NB_SetDefaultIndexes */
605 pci_write_config32(nb_dev, 0x94, 0x7f);
606 pci_write_config32(nb_dev, 0x60, 0x7f);
607 pci_write_config32(nb_dev, 0xe0, 0);
609 /* NB_InitEarlyNB finished. */
611 /* LPC DMA Deadlock workaround? */
613 k8_f0 = dev_find_slot(0, PCI_DEVFN(0x18, 0));
614 l_dword = pci_read_config32(k8_f0, 0x68);
615 l_dword &= ~(3 << 21);
616 l_dword |= (1 << 21);
617 pci_write_config32(k8_f0, 0x68, l_dword);
619 /* GFX_InitCommon. */
620 nbmc_write_index(nb_dev, 0x23, 0x00c00010);
621 set_nbmc_enable_bits(nb_dev, 0x16, 1<<15, 1<<15);
622 set_nbmc_enable_bits(nb_dev, 0x25, 0xffffffff, 0x111f111f);
623 set_htiu_enable_bits(nb_dev, 0x37, 1<<24, 1<<24);
625 #if (CONFIG_GFXUMA == 1)
627 /* Copy CPU DDR Controller to NB MC. */
628 k8_f2 = dev_find_slot(0, PCI_DEVFN(0x18, 2));
629 for (i = 0; i < 12; i++)
631 l_dword = pci_read_config32(k8_f2, 0x40 + i * 4);
632 nbmc_write_index(nb_dev, 0x30 + i, l_dword);
635 l_dword = pci_read_config32(k8_f2, 0x80);
636 nbmc_write_index(nb_dev, 0x3c, l_dword);
638 l_dword = pci_read_config32(k8_f2, 0x94);
639 if(l_dword & (1<<22))
640 set_nbmc_enable_bits(nb_dev, 0x3c, 0, 1<<16);
642 set_nbmc_enable_bits(nb_dev, 0x3c, 1<<16, 0);
645 set_nbmc_enable_bits(nb_dev, 0x3c, 0, 1<<17);
647 set_nbmc_enable_bits(nb_dev, 0x3c, 1<<17, 0);
649 l_dword = pci_read_config32(k8_f2, 0x90);
650 if(l_dword & (1<<10))
651 set_nbmc_enable_bits(nb_dev, 0x3c, 0, 1<<18);
653 set_nbmc_enable_bits(nb_dev, 0x3c, 1<<18, 0);
655 /* Set UMA in the 780 side. */
656 /* UMA start address, size. */
657 /* The same value in spite of system memory size. */
658 nbmc_write_index(nb_dev, 0x10, 0xcfffc000);
659 nbmc_write_index(nb_dev, 0x11, uma_memory_base);
660 nbmc_write_index(nb_dev, 0x12, 0);
661 nbmc_write_index(nb_dev, 0xf0, 256);
662 /* GFX_InitUMA finished. */
665 /* SP memory:Hynix HY5TQ1G631ZNFP. 128MB = 64M * 16. 667MHz. DDR3. */
667 /* Enable Async mode. */
668 set_nbmc_enable_bits(nb_dev, 0x06, 7<<8, 1<<8);
669 set_nbmc_enable_bits(nb_dev, 0x08, 1<<10, 0);
670 /* The last item in AsynchMclkTaskFileIndex. Why? */
671 /* MC_MPLL_CONTROL2. */
672 nbmc_write_index(nb_dev, 0x07, 0x40100028);
673 /* MC_MPLL_DIV_CONTROL. */
674 nbmc_write_index(nb_dev, 0x0b, 0x00000028);
675 /* MC_MPLL_FREQ_CONTROL. */
676 set_nbmc_enable_bits(nb_dev, 0x09, 3<<12|15<<16|15<<8, 1<<12|4<<16|0<<8);
677 /* MC_MPLL_CONTROL3. For PM. */
678 set_nbmc_enable_bits(nb_dev, 0x08, 0xff<<13, 1<<13|1<<18);
679 /* MPLL_CAL_TRIGGER. */
680 set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<0);
681 udelay(200); /* time is long enough? */
682 set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<1);
683 set_nbmc_enable_bits(nb_dev, 0x06, 1<<0, 0);
684 /* MCLK_SRC_USE_MPLL. */
685 set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<20);
688 nbmc_write_index(nb_dev, 0x01, 0x88108280);
689 set_nbmc_enable_bits(nb_dev, 0x02, ~(1<<20), 0x00030200);
690 nbmc_write_index(nb_dev, 0x04, 0x08881018);
691 nbmc_write_index(nb_dev, 0x05, 0x000000bb);
692 nbmc_write_index(nb_dev, 0x0c, 0x0f00001f);
693 nbmc_write_index(nb_dev, 0xa1, 0x01f10000);
694 /* MCA_INIT_DLL_PM. */
695 set_nbmc_enable_bits(nb_dev, 0xc9, 1<<24, 1<<24);
696 nbmc_write_index(nb_dev, 0xa2, 0x74f20000);
697 nbmc_write_index(nb_dev, 0xa3, 0x8af30000);
698 nbmc_write_index(nb_dev, 0xaf, 0x47d0a41c);
699 nbmc_write_index(nb_dev, 0xb0, 0x88800130);
700 nbmc_write_index(nb_dev, 0xb1, 0x00000040);
701 nbmc_write_index(nb_dev, 0xb4, 0x41247000);
702 nbmc_write_index(nb_dev, 0xb5, 0x00066664);
703 nbmc_write_index(nb_dev, 0xb6, 0x00000022);
704 nbmc_write_index(nb_dev, 0xb7, 0x00000044);
705 nbmc_write_index(nb_dev, 0xb8, 0xbbbbbbbb);
706 nbmc_write_index(nb_dev, 0xb9, 0xbbbbbbbb);
707 nbmc_write_index(nb_dev, 0xba, 0x55555555);
708 nbmc_write_index(nb_dev, 0xc1, 0x00000000);
709 nbmc_write_index(nb_dev, 0xc2, 0x00000000);
710 nbmc_write_index(nb_dev, 0xc3, 0x80006b00);
711 nbmc_write_index(nb_dev, 0xc4, 0x00066664);
712 nbmc_write_index(nb_dev, 0xc5, 0x00000000);
713 nbmc_write_index(nb_dev, 0xd2, 0x00000022);
714 nbmc_write_index(nb_dev, 0xd3, 0x00000044);
715 nbmc_write_index(nb_dev, 0xd6, 0x00050005);
716 nbmc_write_index(nb_dev, 0xd7, 0x00000000);
717 nbmc_write_index(nb_dev, 0xd8, 0x00700070);
718 nbmc_write_index(nb_dev, 0xd9, 0x00700070);
719 nbmc_write_index(nb_dev, 0xe0, 0x00200020);
720 nbmc_write_index(nb_dev, 0xe1, 0x00200020);
721 nbmc_write_index(nb_dev, 0xe8, 0x00200020);
722 nbmc_write_index(nb_dev, 0xe9, 0x00200020);
723 nbmc_write_index(nb_dev, 0xe0, 0x00180018);
724 nbmc_write_index(nb_dev, 0xe1, 0x00180018);
725 nbmc_write_index(nb_dev, 0xe8, 0x00180018);
726 nbmc_write_index(nb_dev, 0xe9, 0x00180018);
729 /* Memory Termination. */
730 set_nbmc_enable_bits(nb_dev, 0xa1, 0x0ff, 0x044);
731 set_nbmc_enable_bits(nb_dev, 0xb4, 0xf00, 0xb00);
733 /* Controller Termation. */
734 set_nbmc_enable_bits(nb_dev, 0xb1, 0x77770000, 0x77770000);
737 /* OEM Init MC. 667MHz. */
738 nbmc_write_index(nb_dev, 0xa8, 0x7a5aaa78);
739 nbmc_write_index(nb_dev, 0xa9, 0x514a2319);
740 nbmc_write_index(nb_dev, 0xaa, 0x54400520);
741 nbmc_write_index(nb_dev, 0xab, 0x441460ff);
742 nbmc_write_index(nb_dev, 0xa0, 0x20f00a48);
743 set_nbmc_enable_bits(nb_dev, 0xa2, ~(0xffffffc7), 0x10);
744 nbmc_write_index(nb_dev, 0xb2, 0x00000303);
745 set_nbmc_enable_bits(nb_dev, 0xb1, ~(0xffffff70), 0x45);
747 /* set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b); */
749 /* Init PM timing. */
752 l_dword = nbmc_read_index(nb_dev, 0xa0+i);
753 nbmc_write_index(nb_dev, 0xc8+i, l_dword);
757 l_dword = nbmc_read_index(nb_dev, 0xa8+i);
758 nbmc_write_index(nb_dev, 0xcc+i, l_dword);
760 l_dword = nbmc_read_index(nb_dev, 0xb1);
761 set_nbmc_enable_bits(nb_dev, 0xc8, 0xff<<24, ((l_dword&0x0f)<<24)|((l_dword&0xf00)<<20));
764 /* FB_Start = ; FB_End = ; iSpSize = 0x0080, 128MB. */
765 nbmc_write_index(nb_dev, 0x11, 0x40000000);
766 FB_Start = 0xc00 + 0x080;
767 FB_End = 0xc00 + 0x080;
768 nbmc_write_index(nb_dev, 0x10, (((FB_End&0xfff)<<20)-0x10000)|(((FB_Start&0xfff)-0x080)<<4));
769 set_nbmc_enable_bits(nb_dev, 0x0d, ~0x000ffff0, (FB_Start&0xfff)<<20);
770 nbmc_write_index(nb_dev, 0x0f, 0);
771 nbmc_write_index(nb_dev, 0x0e, (FB_Start&0xfff)|(0xaaaa<<12));
774 /* GFX_InitSP finished. */
777 static struct pci_operations lops_pci = {
778 .set_subsystem = pci_dev_set_subsystem,
781 static struct device_operations pcie_ops = {
782 .read_resources = rs780_gfx_read_resources,
783 .set_resources = pci_dev_set_resources,
784 .enable_resources = pci_dev_enable_resources,
785 .init = internal_gfx_pci_dev_init, /* The option ROM initializes the device. rs780_gfx_init, */
787 .enable = rs780_internal_gfx_enable,
788 .ops_pci = &lops_pci,
792 * We should list all of them here.
794 static struct pci_driver pcie_driver_780 __pci_driver = {
796 .vendor = PCI_VENDOR_ID_ATI,
797 .device = PCI_DEVICE_ID_ATI_RS780_INT_GFX,
800 static struct pci_driver pcie_driver_780c __pci_driver = {
802 .vendor = PCI_VENDOR_ID_ATI,
803 .device = PCI_DEVICE_ID_ATI_RS780C_INT_GFX,
805 static struct pci_driver pcie_driver_780m __pci_driver = {
807 .vendor = PCI_VENDOR_ID_ATI,
808 .device = PCI_DEVICE_ID_ATI_RS780M_INT_GFX,
810 static struct pci_driver pcie_driver_780mc __pci_driver = {
812 .vendor = PCI_VENDOR_ID_ATI,
813 .device = PCI_DEVICE_ID_ATI_RS780MC_INT_GFX,
815 static struct pci_driver pcie_driver_780e __pci_driver = {
817 .vendor = PCI_VENDOR_ID_ATI,
818 .device = PCI_DEVICE_ID_ATI_RS780E_INT_GFX,
821 /* step 12 ~ step 14 from rpr */
822 static void single_port_configuration(device_t nb_dev, device_t dev)
826 struct southbridge_amd_rs780_config *cfg =
827 (struct southbridge_amd_rs780_config *)nb_dev->chip_info;
829 printk_info("rs780_gfx_init single_port_configuration.\n");
831 /* step 12 training, releases hold training for GFX port 0 (device 2) */
832 PcieReleasePortTraining(nb_dev, dev, 2);
833 result = PcieTrainPort(nb_dev, dev, 2);
834 printk_info("rs780_gfx_init single_port_configuration step12.\n");
836 /* step 13 Power Down Control */
837 /* step 13.1 Enables powering down transmitter and receiver pads along with PLL macros. */
838 set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0);
840 /* step 13.a Link Training was NOT successful */
842 set_nbmisc_enable_bits(nb_dev, 0x8, 0, 0x3 << 4); /* prevent from training. */
843 set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x3 << 2); /* hide the GFX bridge. */
845 nbpcie_ind_write_index(nb_dev, 0x65, 0xccf0f0);
847 nbpcie_ind_write_index(nb_dev, 0x65, 0xffffffff);
848 set_nbmisc_enable_bits(nb_dev, 0x7, 1 << 3, 1 << 3);
850 } else { /* step 13.b Link Training was successful */
851 set_pcie_enable_bits(dev, 0xA2, 0xFF, 0x1);
852 reg32 = nbpcie_p_read_index(dev, 0x29);
853 width = reg32 & 0xFF;
854 printk_debug("GFX Inactive Lanes = 0x%x.\n", width);
858 nbpcie_ind_write_index(nb_dev, 0x65,
859 cfg->gfx_lane_reversal ? 0x7f7f : 0xccfefe);
862 nbpcie_ind_write_index(nb_dev, 0x65,
863 cfg->gfx_lane_reversal ? 0x3f3f : 0xccfcfc);
866 nbpcie_ind_write_index(nb_dev, 0x65,
867 cfg->gfx_lane_reversal ? 0x0f0f : 0xccf0f0);
871 printk_info("rs780_gfx_init single_port_configuration step13.\n");
873 /* step 14 Reset Enumeration Timer, disables the shortening of the enumeration timer */
874 set_pcie_enable_bits(dev, 0x70, 1 << 19, 1 << 19);
875 printk_info("rs780_gfx_init single_port_configuration step14.\n");
878 static void dual_port_configuration(device_t nb_dev, device_t dev)
881 u32 reg32, dev_ind = dev->path.pci.devfn >> 3;
882 struct southbridge_amd_rs780_config *cfg =
883 (struct southbridge_amd_rs780_config *)nb_dev->chip_info;
885 /* 5.4.1.2 Dual Port Configuration */
886 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31);
887 set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8);
888 set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31);
890 /* 5.7. Training for Device 2 */
891 /* 5.7.1. Releases hold training for GFX port 0 (device 2) */
892 PcieReleasePortTraining(nb_dev, dev, dev_ind);
893 /* 5.7.2- 5.7.9. PCIE Link Training Sequence */
894 result = PcieTrainPort(nb_dev, dev, dev_ind);
896 /* Power Down Control for Device 2 */
897 /* Link Training was NOT successful */
899 /* Powers down all lanes for port A */
900 /* nbpcie_ind_write_index(nb_dev, 0x65, 0x0f0f); */
901 /* Note: I have to disable the slot where there isnt a device,
902 * otherwise the system will hang. I dont know why. */
903 set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind, 1 << dev_ind);
905 } else { /* step 16.b Link Training was successful */
906 reg32 = nbpcie_p_read_index(dev, 0xa2);
907 width = (reg32 >> 4) & 0x7;
908 printk_debug("GFX LC_LINK_WIDTH = 0x%x.\n", width);
912 nbpcie_ind_write_index(nb_dev, 0x65,
913 cfg->gfx_lane_reversal ? 0x0707 : 0x0e0e);
916 nbpcie_ind_write_index(nb_dev, 0x65,
917 cfg->gfx_lane_reversal ? 0x0303 : 0x0c0c);
923 /* For single port GFX configuration Only
930 * 101 = x12 (not supported)
933 static void dynamic_link_width_control(device_t nb_dev, device_t dev, u8 width)
937 struct southbridge_amd_rs780_config *cfg =
938 (struct southbridge_amd_rs780_config *)nb_dev->chip_info;
941 reg32 = nbpcie_p_read_index(dev, 0xa2);
944 set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0);
946 set_pcie_enable_bits(dev, 0xa2, 3 << 0, width << 0);
948 set_pcie_enable_bits(dev, 0xa2, 1 << 8, 1 << 8);
950 if (0 == cfg->gfx_reconfiguration)
951 set_pcie_enable_bits(dev, 0xa2, 1 << 11, 1 << 11);
955 reg32 = nbpcie_p_read_index(dev, 0xa2);
957 while (reg32 & 0x100);
960 sb_dev = dev_find_slot(0, PCI_DEVFN(8, 0));
962 reg32 = pci_ext_read_config32(nb_dev, sb_dev,
963 PCIE_VC0_RESOURCE_STATUS);
964 } while (reg32 & VC_NEGOTIATION_PENDING);
967 reg32 = nbpcie_p_read_index(dev, 0xa2);
968 if (((reg32 & 0x70) >> 4) != 0x6) {
969 /* the unused lanes should be powered off. */
973 set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 0 << 0);
977 * GFX Core initialization, dev2, dev3
979 void rs780_gfx_init(device_t nb_dev, device_t dev, u32 port)
983 struct southbridge_amd_rs780_config *cfg =
984 (struct southbridge_amd_rs780_config *)nb_dev->chip_info;
986 printk_info("rs780_gfx_init, nb_dev=0x%p, dev=0x%p, port=0x%x.\n",
989 /* GFX Core Initialization */
990 //if (port == 2) return;
992 /* step 1, lane reversal (only need if CMOS option is enabled) */
993 if (cfg->gfx_lane_reversal) {
994 set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2);
995 if (cfg->gfx_dual_slot)
996 set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3);
998 printk_info("rs780_gfx_init step1.\n");
1000 /* step 1.1, dual-slot gfx configuration (only need if CMOS option is enabled) */
1001 /* AMD calls the configuration CrossFire */
1002 if (cfg->gfx_dual_slot)
1003 set_nbmisc_enable_bits(nb_dev, 0x0, 0xf << 8, 5 << 8);
1004 printk_info("rs780_gfx_init step2.\n");
1006 /* step 2, TMDS, (only need if CMOS option is enabled) */
1007 if (cfg->gfx_tmds) {
1010 #if 1 /* external clock mode */
1011 /* table 5-22, 5.9.1. REFCLK */
1012 /* 5.9.1.1. Disables the GFX REFCLK transmitter so that the GFX
1013 * REFCLK PAD can be driven by an external source. */
1014 /* 5.9.1.2. Enables GFX REFCLK receiver to receive the REFCLK from an external source. */
1015 set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28, 0 << 29 | 1 << 28);
1017 /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */
1018 /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */
1019 /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */
1020 set_nbmisc_enable_bits(nb_dev, 0x28, 3 << 6 | 3 << 8 | 3 << 10,
1021 1 << 6 | 1 << 8 | 1 << 10);
1022 reg32 = nbmisc_read_index(nb_dev, 0x28);
1023 printk_info("misc 28 = %x\n", reg32);
1025 /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */
1026 set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 1 << 31);
1027 #else /* internal clock mode */
1028 /* table 5-23, 5.9.1. REFCLK */
1029 /* 5.9.1.1. Enables the GFX REFCLK transmitter so that the GFX
1030 * REFCLK PAD can be driven by the SB REFCLK. */
1031 /* 5.9.1.2. Disables GFX REFCLK receiver from receiving the
1032 * REFCLK from an external source.*/
1033 set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28, 1 << 29 | 0 << 28);
1035 /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */
1036 /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */
1037 /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */
1038 set_nbmisc_enable_bits(nb_dev, 0x28, 3 << 6 | 3 << 8 | 3 << 10,
1040 reg32 = nbmisc_read_index(nb_dev, 0x28);
1041 printk_info("misc 28 = %x\n", reg32);
1043 /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */
1044 set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 0 << 31);
1047 /* step 5.9.3, GFX overclocking, (only need if CMOS option is enabled) */
1048 /* 5.9.3.1. Increases PLL BW for 6G operation.*/
1049 /* set_nbmisc_enable_bits(nb_dev, 0x36, 0x3FF << 4, 0xB5 << 4); */
1052 /* step 5.9.4, reset the GFX link */
1053 /* step 5.9.4.1 asserts both calibration reset and global reset */
1054 set_nbmisc_enable_bits(nb_dev, 0x8, 0x3 << 14, 0x3 << 14);
1056 /* step 5.9.4.2 de-asserts calibration reset */
1057 set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 14, 0 << 14);
1059 /* step 5.9.4.3 wait for at least 200us */
1062 /* step 5.9.4.4 de-asserts global reset */
1063 set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 15, 0 << 15);
1065 /* 5.9.5 Reset PCIE_GFX Slot */
1066 /* It is done in mainboard.c */
1071 /* step 5.9.8 program PCIE memory mapped configuration space */
1072 /* done by enable_pci_bar3() before */
1074 /* step 7 compliance state, (only need if CMOS option is enabled) */
1075 /* the compliance stete is just for test. refer to 4.2.5.2 of PCIe specification */
1076 if (cfg->gfx_compliance) {
1077 /* force compliance */
1078 set_nbmisc_enable_bits(nb_dev, 0x32, 1 << 6, 1 << 6);
1079 /* release hold training for device 2. GFX initialization is done. */
1080 set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 4, 0 << 4);
1081 dynamic_link_width_control(nb_dev, dev, cfg->gfx_link_width);
1082 printk_info("rs780_gfx_init step7.\n");
1086 /* 5.9.12 Core Initialization. */
1087 /* 5.9.12.1 sets RCB timeout to be 25ms */
1088 /* 5.9.12.2. RCB Cpl timeout on link down. */
1089 set_pcie_enable_bits(dev, 0x70, 7 << 16 | 1 << 19, 4 << 16 | 1 << 19);
1090 printk_info("rs780_gfx_init step5.9.12.1.\n");
1092 /* step 5.9.12.3 disables slave ordering logic */
1093 set_pcie_enable_bits(nb_dev, 0x20, 1 << 8, 1 << 8);
1094 printk_info("rs780_gfx_init step5.9.12.3.\n");
1096 /* step 5.9.12.4 sets DMA payload size to 64 bytes */
1097 set_pcie_enable_bits(nb_dev, 0x10, 7 << 10, 4 << 10);
1098 /* 5.9.12.5. Blocks DMA traffic during C3 state. */
1099 set_pcie_enable_bits(dev, 0x10, 1 << 0, 0 << 0);
1101 /* 5.9.12.6. Disables RC ordering logic */
1102 set_pcie_enable_bits(nb_dev, 0x20, 1 << 9, 1 << 9);
1104 /* Enabels TLP flushing. */
1105 /* Note: It is got from RS690. The system will hang without this action. */
1106 set_pcie_enable_bits(dev, 0x20, 1 << 19, 0 << 19);
1108 /* 5.9.12.7. Ignores DLLPs during L1 so that txclk can be turned off */
1109 set_pcie_enable_bits(nb_dev, 0x2, 1 << 0, 1 << 0);
1111 /* 5.9.12.8 Prevents LC to go from L0 to Rcv_L0s if L1 is armed. */
1112 set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11);
1114 /* 5.9.12.9 CMGOOD_OVERRIDE for end point initiated lane degradation. */
1115 set_nbmisc_enable_bits(nb_dev, 0x6a, 1 << 17, 1 << 17);
1116 printk_info("rs780_gfx_init step5.9.12.9.\n");
1118 /* 5.9.12.10 Sets the timer in Config state from 20us to */
1119 /* 5.9.12.11 De-asserts RX_EN in L0s. */
1120 /* 5.9.12.12 Enables de-assertion of PG2RX_CR_EN to lock clock
1121 * recovery parameter when lane is in electrical idle in L0s.*/
1122 set_pcie_enable_bits(dev, 0xB1, 1 << 23 | 1 << 19 | 1 << 28, 1 << 23 | 1 << 19 | 1 << 28);
1124 /* 5.9.12.13. Turns off offset calibration. */
1125 /* 5.9.12.14. Enables Rx Clock gating in CDR */
1126 set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 10/* | 1 << 22 */, 1 << 10/* | 1 << 22 */);
1128 /* 5.9.12.15. Sets number of TX Clocks to drain TX Pipe to 3. */
1129 set_pcie_enable_bits(dev, 0xA0, 0xF << 4, 3 << 4);
1131 /* 5.9.12.16. Lets PI use Electrical Idle from PHY when
1132 * turning off PLL in L1 at Gen2 speed instead Inferred Electrical Idle. */
1133 set_pcie_enable_bits(nb_dev, 0x40, 3 << 14, 2 << 14);
1135 /* 5.9.12.17. Prevents the Electrical Idle from causing a transition from Rcv_L0 to Rcv_L0s. */
1136 set_pcie_enable_bits(dev, 0xB1, 1 << 20, 1 << 20);
1138 /* 5.9.12.18. Prevents the LTSSM from going to Rcv_L0s if it has already
1139 * acknowledged a request to go to L1. */
1140 set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11);
1142 /* 5.9.12.19. LDSK only taking deskew on deskewing error detect */
1143 set_pcie_enable_bits(nb_dev, 0x40, 1 << 28, 0 << 28);
1145 /* 5.9.12.20. Bypasses lane de-skew logic if in x1 */
1146 set_pcie_enable_bits(nb_dev, 0xC2, 1 << 14, 1 << 14);
1148 /* 5.9.12.21. Sets Electrical Idle Threshold. */
1149 set_nbmisc_enable_bits(nb_dev, 0x35, 3 << 21, 2 << 21);
1151 /* 5.9.12.22. Advertises -6 dB de-emphasis value in TS1 Data Rate Identifier
1152 * Only if CMOS Option in section. skip */
1154 /* 5.9.12.23. Disables GEN2 capability of the device. */
1155 set_pcie_enable_bits(dev, 0xA4, 1 << 0, 0 << 0);
1157 /* 5.9.12.24.Disables advertising Upconfigure Support. */
1158 set_pcie_enable_bits(dev, 0xA2, 1 << 13, 1 << 13);
1160 /* 5.9.12.25. No comment in RPR. */
1161 set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 10, 0 << 10);
1163 /* 5.9.12.26. This capacity is required since links wider than x1 and/or multiple link
1164 * speed are supported */
1165 set_pcie_enable_bits(nb_dev, 0xC1, 1 << 0, 1 << 0);
1167 /* 5.9.12.27. Enables NVG86 ECO. A13 above only. */
1168 if (get_nb_rev(nb_dev) == REV_RS780_A12) /* A12 */
1169 set_pcie_enable_bits(dev, 0x02, 1 << 11, 1 << 11);
1171 /* 5.9.12.28 Hides and disables the completion timeout method. */
1172 set_pcie_enable_bits(nb_dev, 0xC1, 1 << 2, 0 << 2);
1174 /* 5.9.12.29. Use the bif_core de-emphasis strength by default. */
1175 /* set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 28, 1 << 28); */
1177 /* 5.9.12.30. Set TX arbitration algorithm to round robin */
1178 set_pcie_enable_bits(nb_dev, 0x1C,
1179 1 << 0 | 0x1F << 1 | 0x1F << 6,
1180 1 << 0 | 0x04 << 1 | 0x04 << 6);
1182 /* Single-port/Dual-port configureation. */
1183 switch (cfg->gfx_dual_slot) {
1185 single_port_configuration(nb_dev, dev);
1188 dual_port_configuration(nb_dev, dev);
1191 printk_info("Incorrect configuration of external gfx slot.\n");