| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2010 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| /* |
| * for rs780 internal graphics device |
| * device id of internal graphics: |
| * RS780: 0x9610 |
| * RS780C: 0x9611 |
| * RS780M: 0x9612 |
| * RS780MC:0x9613 |
| * RS780E: 0x9615 |
| * RS785G: 0x9710 - just works, not much tested |
| * RS785C: 0x9711 |
| * RS785M: 0x9712 |
| * RS785MC:0x9713 |
| * RS785D: 0x9714 |
| */ |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <device/pci_ops.h> |
| #include <delay.h> |
| #include <cpu/x86/msr.h> |
| #include "rs780.h" |
| |
| /* Trust the original resource allocation. Don't do it again. */ |
| #undef DONT_TRUST_RESOURCE_ALLOCATION |
| //#define DONT_TRUST_RESOURCE_ALLOCATION |
| |
| #define CLK_CNTL_INDEX 0x8 |
| #define CLK_CNTL_DATA 0xC |
| |
| /* The Integrated Info Table. */ |
| ATOM_INTEGRATED_SYSTEM_INFO_V2 vgainfo; |
| |
| #ifdef UNUSED_CODE |
| static u32 clkind_read(struct device *dev, u32 index) |
| { |
| u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF; |
| |
| *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index & 0x7F; |
| return *(u32*)(gfx_bar2+CLK_CNTL_DATA); |
| } |
| #endif |
| |
| static void clkind_write(struct device *dev, u32 index, u32 data) |
| { |
| u32 gfx_bar2 = pci_read_config32(dev, 0x18) & ~0xF; |
| /* printk(BIOS_DEBUG, "gfx bar 2 %02x\n", gfx_bar2); */ |
| |
| *(u32*)(gfx_bar2+CLK_CNTL_INDEX) = index | 1<<7; |
| *(u32*)(gfx_bar2+CLK_CNTL_DATA) = data; |
| } |
| |
| /* |
| * pci_dev_read_resources thinks it is a IO type. |
| * We have to force it to mem type. |
| */ |
| static void rs780_gfx_read_resources(struct device *dev) |
| { |
| printk(BIOS_DEBUG, "rs780_gfx_read_resources.\n"); |
| |
| /* The initial value of 0x24 is 0xFFFFFFFF, which is confusing. |
| Even if we write 0xFFFFFFFF into it, it will be 0xFFF00000, |
| which tells us it is a memory address base. |
| */ |
| pci_write_config32(dev, 0x24, 0x00000000); |
| |
| /* Get the normal pci resources of this device */ |
| pci_dev_read_resources(dev); |
| compact_resources(dev); |
| } |
| |
| typedef struct _MMIORANGE |
| { |
| u32 Base; |
| u32 Limit; |
| u8 Attribute; |
| } MMIORANGE; |
| |
| MMIORANGE MMIO[8], CreativeMMIO[8]; |
| |
| #define CIM_STATUS u32 |
| #define CIM_SUCCESS 0x00000000 |
| #define CIM_ERROR 0x80000000 |
| #define CIM_UNSUPPORTED 0x80000001 |
| #define CIM_DISABLEPORT 0x80000002 |
| |
| #define MMIO_ATTRIB_NP_ONLY 1 |
| #define MMIO_ATTRIB_BOTTOM_TO_TOP (1 << 1) |
| #define MMIO_ATTRIB_SKIP_ZERO (1 << 2) |
| |
| #ifdef DONT_TRUST_RESOURCE_ALLOCATION |
| static MMIORANGE* AllocMMIO(MMIORANGE* pMMIO) |
| { |
| int i; |
| for (i = 0; i < 8; i++) { |
| if (pMMIO[i].Limit == 0) |
| return &pMMIO[i]; |
| } |
| return 0; |
| } |
| |
| static void FreeMMIO(MMIORANGE* pMMIO) |
| { |
| pMMIO->Base = 0; |
| pMMIO->Limit = 0; |
| } |
| |
| static u32 SetMMIO(u32 Base, u32 Limit, u8 Attribute, MMIORANGE *pMMIO) |
| { |
| int i; |
| MMIORANGE * TempRange; |
| for (i = 0; i < 8; i++) { |
| if (pMMIO[i].Attribute != Attribute && Base >= pMMIO[i].Base && Limit <= pMMIO[i].Limit) { |
| TempRange = AllocMMIO(pMMIO); |
| if (TempRange == 0) return 0x80000000; |
| TempRange->Base = Limit; |
| TempRange->Limit = pMMIO[i].Limit; |
| TempRange->Attribute = pMMIO[i].Attribute; |
| pMMIO[i].Limit = Base; |
| } |
| } |
| TempRange = AllocMMIO(pMMIO); |
| if (TempRange == 0) return 0x80000000; |
| TempRange->Base = Base; |
| TempRange->Limit = Limit; |
| TempRange->Attribute = Attribute; |
| return 0; |
| } |
| |
| static u8 FinalizeMMIO(MMIORANGE *pMMIO) |
| { |
| int i, j, n = 0; |
| for (i = 0; i < 8; i++) { |
| if (pMMIO[i].Base == pMMIO[i].Limit) { |
| FreeMMIO(&pMMIO[i]); |
| continue; |
| } |
| for (j = 0; j < i; j++) { |
| if (i!=j && pMMIO[i].Attribute == pMMIO[j].Attribute) { |
| if (pMMIO[i].Base == pMMIO[j].Limit) { |
| pMMIO[j].Limit = pMMIO[i].Limit; |
| FreeMMIO(&pMMIO[i]); |
| } |
| if (pMMIO[i].Limit == pMMIO[j].Base) { |
| pMMIO[j].Base = pMMIO[i].Base; |
| FreeMMIO(&pMMIO[i]); |
| } |
| } |
| } |
| } |
| for (i = 0; i < 8; i++) { |
| if (pMMIO[i].Limit != 0) n++; |
| } |
| return n; |
| } |
| |
| static CIM_STATUS GetCreativeMMIO(MMIORANGE *pMMIO) |
| { |
| CIM_STATUS Status = CIM_UNSUPPORTED; |
| u8 Bus, Dev, Reg, BusStart, BusEnd; |
| u32 Value; |
| struct device *dev0x14 = dev_find_slot(0, PCI_DEVFN(0x14, 4)); |
| struct device *tempdev; |
| Value = pci_read_config32(dev0x14, 0x18); |
| BusStart = (Value >> 8) & 0xFF; |
| BusEnd = (Value >> 16) & 0xFF; |
| for (Bus = BusStart; Bus <= BusEnd; Bus++) { |
| for (Dev = 0; Dev <= 0x1f; Dev++) { |
| tempdev = dev_find_slot(Bus, Dev << 3); |
| Value = pci_read_config32(tempdev, 0); |
| printk(BIOS_DEBUG, "Dev ID %x\n", Value); |
| if ((Value & 0xffff) == 0x1102) {//Creative |
| //Found Creative SB |
| u32 MMIOStart = 0xffffffff; |
| u32 MMIOLimit = 0; |
| for (Reg = 0x10; Reg < 0x20; Reg+=4) { |
| u32 BaseA, LimitA; |
| BaseA = pci_read_config32(tempdev, Reg); |
| Value = BaseA; |
| if (!(Value & 0x01)) { |
| Value = Value & 0xffffff00; |
| if (Value != 0) { |
| if (MMIOStart > Value) |
| MMIOStart = Value; |
| LimitA = 0xffffffff; |
| //WritePCI(PciAddress,AccWidthUint32,&LimitA); |
| pci_write_config32(tempdev, Reg, LimitA); |
| //ReadPCI(PciAddress,AccWidthUint32,&LimitA); |
| LimitA = pci_read_config32(tempdev, Reg); |
| LimitA = Value + (~LimitA + 1); |
| //WritePCI(PciAddress,AccWidthUint32,&BaseA); |
| pci_write_config32(tempdev, Reg, BaseA); |
| if (LimitA > MMIOLimit) |
| MMIOLimit = LimitA; |
| } |
| } |
| } |
| printk(BIOS_DEBUG, " MMIOStart %x MMIOLimit %x\n", MMIOStart, MMIOLimit); |
| if (MMIOStart < MMIOLimit) |
| { |
| Status = SetMMIO(MMIOStart>>8, MMIOLimit>>8, 0x80, pMMIO); |
| if (Status == CIM_ERROR) return Status; |
| } |
| } |
| } |
| } |
| if (Status == CIM_SUCCESS) { |
| //Lets optimize MMIO |
| if (FinalizeMMIO(pMMIO) > 4) { |
| Status = CIM_ERROR; |
| } |
| } |
| |
| return Status; |
| } |
| |
| static void ProgramMMIO(MMIORANGE *pMMIO, u8 LinkID, u8 Attribute) |
| { |
| int i, j, n = 7; |
| struct device *k8_f1; |
| |
| k8_f1 = dev_find_slot(0, PCI_DEVFN(0x18, 1)); |
| |
| for (i = 0; i < 8; i++) { |
| int k = 0, MmioReg; |
| u32 Base = 0; |
| u32 Limit = 0; |
| for (j = 0; j < 8; j++) { |
| if (Base < pMMIO[j].Base) { |
| Base = pMMIO[j].Base; |
| k = j; |
| } |
| } |
| if (pMMIO[k].Limit != 0) { |
| if (Attribute & MMIO_ATTRIB_NP_ONLY && pMMIO[k].Attribute == 0 ) { |
| Base = 0; |
| } |
| else |
| { |
| Base = pMMIO[k].Base | 0x3; |
| Limit= ((pMMIO[k].Limit - 1) & 0xffffff00) | pMMIO[k].Attribute | (LinkID << 4); |
| } |
| FreeMMIO(&pMMIO[k]); |
| } |
| if (Attribute & MMIO_ATTRIB_SKIP_ZERO && Base == 0 && Limit == 0) continue; |
| MmioReg = (Attribute & MMIO_ATTRIB_BOTTOM_TO_TOP)?n:(7-n); |
| n--; |
| //RWPCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,0x0,0x0); |
| pci_write_config32(k8_f1, 0x80+MmioReg*8, 0); |
| |
| //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x84+MmioReg*8),AccWidthUint32 |S3_SAVE,&Limit); |
| pci_write_config32(k8_f1, 0x84+MmioReg*8, Limit); |
| |
| //WritePCI(PCI_ADDRESS(0,CPU_DEV,CPU_F1,0x80+MmioReg*8),AccWidthUint32 |S3_SAVE,&Base); |
| pci_write_config32(k8_f1, 0x80+MmioReg*8, Base); |
| } |
| } |
| #endif |
| |
| #define GFX_CONFIG_DDI1 0x04 |
| #define GFX_CONFIG_DDI2 0x08 |
| #define GFX_CONFIG_DDI (GFX_CONFIG_DDI1 | GFX_CONFIG_DDI2) |
| |
| /** |
| * Force poweron pads for lanes used for DDI |
| * reference CIMx PCIEL_PowerOnDDILanes() |
| * |
| * Inactive B_PRX_PDNB_FDIS B_PTX_PDNB_FDIS |
| * Lanes |
| * Lanes 0-1 Bit 8 Bit 0 |
| * Lanes 2-3 Bit 9 Bit 1 |
| * Lanes 4-5 Bit 10 Bit 2 |
| * Lanes 6-7 Bit 11 Bit 3 |
| * Lanes 8-9 Bit 12 Bit 4 |
| * Lanes 10-11 Bit 13 Bit 5 |
| * Lanes 12-13 Bit 14 Bit 6 |
| * Lanes 14-15 Bit 15 Bit 7 |
| */ |
| static void poweron_ddi_lanes(struct device *nb_dev) |
| { |
| u8 i; |
| u32 gfx_cfg = 0; |
| u32 ddi_pads = 0; |
| |
| ddi_pads = ~(nbpcie_ind_read_index(nb_dev, 0x65)); /* save original setting */ |
| gfx_cfg = nbmisc_read_index(nb_dev, 0x74); |
| for (i = 0; i < 3; i++) { |
| if (gfx_cfg & GFX_CONFIG_DDI) { |
| ddi_pads |= (3 << (i * 2)); |
| } |
| gfx_cfg >>= 8; |
| } |
| ddi_pads |= ddi_pads << 8; /* both TX and RX */ |
| nbpcie_ind_write_index(nb_dev, 0x65, ~ddi_pads); |
| } |
| |
| static void internal_gfx_pci_dev_init(struct device *dev) |
| { |
| unsigned char *bpointer; |
| volatile u32 *GpuF0MMReg; |
| volatile u32 *pointer; |
| int i; |
| u16 command; |
| u32 value; |
| u16 deviceid, vendorid; |
| struct device *nb_dev = dev_find_slot(0, 0); |
| struct device *k8_f2 = dev_find_slot(0, PCI_DEVFN(0x18, 2)); |
| struct device *k8_f0 = dev_find_slot(0, PCI_DEVFN(0x18, 0)); |
| static const u8 ht_freq_lookup [] = {2, 0, 4, 0, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 0, 0, 28, 30, 32}; |
| static const u8 ht_width_lookup [] = {8, 16, 0, 0, 2, 4, 0, 0}; |
| static const u16 memclk_lookup_fam0F [] = {100, 0, 133, 0, 0, 166, 0, 200}; |
| static const u16 memclk_lookup_fam10 [] = {200, 266, 333, 400, 533, 667, 800, 800}; |
| |
| /* We definitely will use this in future. Just leave it here. */ |
| /*struct southbridge_amd_rs780_config *cfg = |
| (struct southbridge_amd_rs780_config *)dev->chip_info;*/ |
| |
| deviceid = pci_read_config16(dev, PCI_DEVICE_ID); |
| vendorid = pci_read_config16(dev, PCI_VENDOR_ID); |
| printk(BIOS_DEBUG, "internal_gfx_pci_dev_init device=%x, vendor=%x.\n", |
| deviceid, vendorid); |
| |
| command = pci_read_config16(dev, 0x04); |
| command |= 0x7; |
| pci_write_config16(dev, 0x04, command); |
| |
| /* Clear vgainfo. */ |
| bpointer = (unsigned char *) &vgainfo; |
| for (i = 0; i < sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i++) { |
| *bpointer = 0; |
| bpointer++; |
| } |
| |
| GpuF0MMReg = (u32 *)pci_read_config32(dev, 0x18); |
| |
| /* GFX_InitFBAccess. */ |
| value = nbmc_read_index(nb_dev, 0x10); |
| *(GpuF0MMReg + 0x2000/4) = 0x11; |
| *(GpuF0MMReg + 0x2180/4) = ((value&0xff00)>>8)|((value&0xff000000)>>8); |
| *(GpuF0MMReg + 0x2c04/4) = ((value&0xff00)<<8); |
| *(GpuF0MMReg + 0x5428/4) = ((value&0xffff0000)+0x10000)-((value&0xffff)<<16); |
| *(GpuF0MMReg + 0xF774/4) = 0xffffffff; |
| *(GpuF0MMReg + 0xF770/4) = 0x00000001; |
| *(GpuF0MMReg + 0x2000/4) = 0x00000011; |
| *(GpuF0MMReg + 0x200c/4) = 0x00000020; |
| *(GpuF0MMReg + 0x2010/4) = 0x10204810; |
| *(GpuF0MMReg + 0x2010/4) = 0x00204810; |
| *(GpuF0MMReg + 0x2014/4) = 0x10408810; |
| *(GpuF0MMReg + 0x2014/4) = 0x00408810; |
| *(GpuF0MMReg + 0x2414/4) = 0x00000080; |
| *(GpuF0MMReg + 0x2418/4) = 0x84422415; |
| *(GpuF0MMReg + 0x2418/4) = 0x04422415; |
| *(GpuF0MMReg + 0x5490/4) = 0x00000001; |
| *(GpuF0MMReg + 0x7de4/4) |= (1<<3) | (1<<4); |
| /* Force allow LDT_STOP Cool'n'Quiet workaround. */ |
| *(GpuF0MMReg + 0x655c/4) |= 1<<4; |
| |
| // disable write combining, needed for stability |
| // reference bios does this only for RS780 rev A11 |
| // need to figure out why we need it for all revs |
| *(GpuF0MMReg + 0x2000/4) = 0x00000010; |
| *(GpuF0MMReg + 0x2408/4) = 1 << 9; |
| *(GpuF0MMReg + 0x2000/4) = 0x00000011; |
| |
| /* GFX_InitFBAccess finished. */ |
| |
| #if IS_ENABLED(CONFIG_GFXUMA) /* for UMA mode. */ |
| /* GFX_StartMC. */ |
| set_nbmc_enable_bits(nb_dev, 0x02, 0x00000000, 0x80000000); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0x00000000, 0x00000001); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0x00000000, 0x00000004); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0x00040000, 0x00000000); |
| set_nbmc_enable_bits(nb_dev, 0xB1, 0xFFFF0000, 0x00000040); |
| set_nbmc_enable_bits(nb_dev, 0xC3, 0x00000000, 0x00000001); |
| set_nbmc_enable_bits(nb_dev, 0x07, 0xFFFFFFFF, 0x00000018); |
| set_nbmc_enable_bits(nb_dev, 0x06, 0xFFFFFFFF, 0x00000102); |
| set_nbmc_enable_bits(nb_dev, 0x09, 0xFFFFFFFF, 0x40000008); |
| set_nbmc_enable_bits(nb_dev, 0x06, 0x00000000, 0x80000000); |
| /* GFX_StartMC finished. */ |
| #else |
| /* for SP mode. */ |
| set_nbmc_enable_bits(nb_dev, 0xaa, 0xf0, 0x30); |
| set_nbmc_enable_bits(nb_dev, 0xce, 0xf0, 0x30); |
| set_nbmc_enable_bits(nb_dev, 0xca, 0xff000000, 0x47000000); |
| set_nbmc_enable_bits(nb_dev, 0xcb, 0x3f000000, 0x01000000); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<0); |
| set_nbmc_enable_bits(nb_dev, 0x04, 0, 1<<31); |
| set_nbmc_enable_bits(nb_dev, 0xb4, 0x3f, 0x3f); |
| set_nbmc_enable_bits(nb_dev, 0xb4, 0, 1<<6); |
| set_nbmc_enable_bits(nb_dev, 0xc3, 1<<11, 0); |
| set_nbmc_enable_bits(nb_dev, 0xa0, 1<<29, 0); |
| nbmc_write_index(nb_dev, 0xa4, 0x3484576f); |
| nbmc_write_index(nb_dev, 0xa5, 0x222222df); |
| nbmc_write_index(nb_dev, 0xa6, 0x00000000); |
| nbmc_write_index(nb_dev, 0xa7, 0x00000000); |
| set_nbmc_enable_bits(nb_dev, 0xc3, 1<<8, 0); |
| udelay(10); |
| set_nbmc_enable_bits(nb_dev, 0xc3, 1<<9, 0); |
| udelay(10); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<2); |
| udelay(200); |
| set_nbmc_enable_bits(nb_dev, 0x01, 0, 1<<3); |
| set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<31); |
| udelay(500); |
| set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<31); |
| set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<30); |
| set_nbmc_enable_bits(nb_dev, 0xa0, 1<<31, 0); |
| set_nbmc_enable_bits(nb_dev, 0xa0, 0, 1<<29); |
| nbmc_write_index(nb_dev, 0xa4, 0x23484576); |
| nbmc_write_index(nb_dev, 0xa5, 0x00000000); |
| nbmc_write_index(nb_dev, 0xa6, 0x00000000); |
| nbmc_write_index(nb_dev, 0xa7, 0x00000000); |
| /* GFX_StartMC finished. */ |
| |
| /* GFX_SPPowerManagment, don't care for new. */ |
| /* Post MC Init table programming. */ |
| set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b); |
| |
| /* Do we need Write and Read Calibration? */ |
| /* GFX_Init finished. */ |
| #endif |
| |
| /* GFX_InitIntegratedInfo. */ |
| /* fill the Integrated Info Table. */ |
| vgainfo.sHeader.usStructureSize = sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); |
| vgainfo.sHeader.ucTableFormatRevision = 1; |
| vgainfo.sHeader.ucTableContentRevision = 2; |
| |
| #if !IS_ENABLED(CONFIG_GFXUMA) /* SP mode. */ |
| // Side port support is incomplete, do not use it |
| // These parameters must match the motherboard |
| vgainfo.ulBootUpSidePortClock = 667*100; |
| vgainfo.ucMemoryType = 3; // 3 = ddr3 sp mem, 2 = ddr2 sp mem |
| vgainfo.ulMinSidePortClock = 333*100; |
| #endif |
| |
| vgainfo.ulBootUpEngineClock = 500 * 100; // setup option on reference BIOS, 500 is default |
| |
| // find the DDR memory frequency |
| if (is_family10h()) { |
| value = pci_read_config32(k8_f2, 0x94); // read channel 0 DRAM Configuration High Register |
| if (extractbit(value, 14)) // if channel 0 disabled, channel 1 must have memory |
| value = pci_read_config32(k8_f2, 0x194);// read channel 1 DRAM Configuration High Register |
| vgainfo.ulBootUpUMAClock = memclk_lookup_fam10 [extractbits (value, 0, 2)] * 100; |
| } |
| if (is_family0Fh()) { |
| value = pci_read_config32(k8_f2, 0x94); |
| vgainfo.ulBootUpUMAClock = memclk_lookup_fam0F [extractbits (value, 20, 22)] * 100; |
| } |
| |
| /* UMA Channel Number: 1 or 2. */ |
| vgainfo.ucUMAChannelNumber = 1; |
| if (is_family0Fh()) { |
| value = pci_read_config32(k8_f2, 0x90); |
| if (extractbit(value, 11)) // 128-bit mode |
| vgainfo.ucUMAChannelNumber = 2; |
| } |
| if (is_family10h()) { |
| u32 dch0 = pci_read_config32(k8_f2, 0x94); |
| u32 dch1 = pci_read_config32(k8_f2, 0x194); |
| if (extractbit(dch0, 14) == 0 && extractbit(dch1, 14) == 0) { // both channels enabled |
| value = pci_read_config32(k8_f2, 0x110); |
| if (extractbit(value, 4)) // ganged mode |
| vgainfo.ucUMAChannelNumber = 2; |
| } |
| } |
| |
| // processor type |
| if (is_family0Fh()) |
| vgainfo.ulCPUCapInfo = 3; |
| if (is_family10h()) |
| vgainfo.ulCPUCapInfo = 2; |
| |
| /* HT speed */ |
| value = pci_read_config8(nb_dev, 0xd1); |
| value = ht_freq_lookup [value] * 100; // HT link frequency in MHz |
| vgainfo.ulHTLinkFreq = value * 100; // HT frequency in units of 100 MHz |
| vgainfo.ulHighVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; |
| vgainfo.ulLowVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; |
| |
| if (value <= 1800) |
| vgainfo.ulLowVoltageHTLinkFreq = vgainfo.ulHTLinkFreq; |
| else { |
| int sblink, cpuLnkFreqCap, nbLnkFreqCap; |
| value = pci_read_config32(k8_f0, 0x64); |
| sblink = extractbits(value, 8, 10); |
| cpuLnkFreqCap = pci_read_config16(k8_f0, 0x8a + sblink * 0x20); |
| nbLnkFreqCap = pci_read_config16(nb_dev, 0xd2); |
| if (cpuLnkFreqCap & nbLnkFreqCap & (1 << 10)) // if both 1800 MHz capable |
| vgainfo.ulLowVoltageHTLinkFreq = 1800*100; |
| } |
| |
| /* HT width. */ |
| value = pci_read_config8(nb_dev, 0xcb); |
| vgainfo.usMinDownStreamHTLinkWidth = |
| vgainfo.usMaxDownStreamHTLinkWidth = |
| vgainfo.usMinUpStreamHTLinkWidth = |
| vgainfo.usMaxUpStreamHTLinkWidth = |
| vgainfo.usMinHTLinkWidth = |
| vgainfo.usMaxHTLinkWidth = ht_width_lookup [extractbits(value, 0, 2)]; |
| |
| if (is_family0Fh()) { |
| vgainfo.usUMASyncStartDelay = 322; |
| vgainfo.usUMADataReturnTime = 286; |
| } |
| |
| if (is_family10h()) { |
| static u16 t0mult_lookup [] = {10, 50, 200, 2000}; |
| int t0time, t0scale; |
| value = pci_read_config32(k8_f0, 0x16c); |
| t0time = extractbits(value, 0, 3); |
| t0scale = extractbits(value, 4, 5); |
| vgainfo.usLinkStatusZeroTime = t0mult_lookup [t0scale] * t0time; |
| vgainfo.usUMASyncStartDelay = 100; |
| if (vgainfo.ulHTLinkFreq < 1000 * 100) { // less than 1000 MHz |
| vgainfo.usUMADataReturnTime = 300; |
| vgainfo.usLinkStatusZeroTime = 6 * 100; // 6us for GH in HT1 mode |
| } |
| else { |
| int lssel; |
| value = pci_read_config32(nb_dev, 0xac); |
| lssel = extractbits (value, 7, 8); |
| vgainfo.usUMADataReturnTime = 1300; |
| if (lssel == 0) vgainfo.usUMADataReturnTime = 150; |
| } |
| } |
| |
| /* Poweron DDI Lanes */ |
| poweron_ddi_lanes(nb_dev); |
| |
| printk(BIOS_DEBUG,"vgainfo:\n" |
| " ulBootUpEngineClock:%lu\n" |
| " ulBootUpUMAClock:%lu\n" |
| " ulBootUpSidePortClock:%lu\n" |
| " ulMinSidePortClock:%lu\n" |
| " ulSystemConfig:%lu\n" |
| " ulBootUpReqDisplayVector:%lu\n" |
| " ulOtherDisplayMisc:%lu\n" |
| " ulDDISlot1Config:%lu\n" |
| " ulDDISlot2Config:%lu\n" |
| |
| " ucMemoryType:%u\n" |
| " ucUMAChannelNumber:%u\n" |
| " ucDockingPinBit:%u\n" |
| " ucDockingPinPolarity:%u\n" |
| |
| " ulDockingPinCFGInfo:%lu\n" |
| " ulCPUCapInfo: %lu\n" |
| |
| " usNumberOfCyclesInPeriod:%hu\n" |
| " usMaxNBVoltage:%hu\n" |
| " usMinNBVoltage:%hu\n" |
| " usBootUpNBVoltage:%hu\n" |
| |
| " ulHTLinkFreq:%lu\n" |
| |
| " usMinHTLinkWidth:%hu\n" |
| " usMaxHTLinkWidth:%hu\n" |
| " usUMASyncStartDelay:%hu\n" |
| " usUMADataReturnTime:%hu\n" |
| " usLinkStatusZeroTime:%hu\n" |
| |
| " ulHighVoltageHTLinkFreq:%lu\n" |
| " ulLowVoltageHTLinkFreq:%lu\n" |
| |
| " usMaxUpStreamHTLinkWidth:%hu\n" |
| " usMaxDownStreamHTLinkWidth:%hu\n" |
| " usMinUpStreamHTLinkWidth:%hu\n" |
| " usMinDownStreamHTLinkWidth:%hu\n", |
| |
| (unsigned long)vgainfo.ulBootUpEngineClock, |
| (unsigned long)vgainfo.ulBootUpUMAClock, |
| (unsigned long)vgainfo.ulBootUpSidePortClock, |
| (unsigned long)vgainfo.ulMinSidePortClock, |
| (unsigned long)vgainfo.ulSystemConfig, |
| (unsigned long)vgainfo.ulBootUpReqDisplayVector, |
| (unsigned long)vgainfo.ulOtherDisplayMisc, |
| (unsigned long)vgainfo.ulDDISlot1Config, |
| (unsigned long)vgainfo.ulDDISlot2Config, |
| |
| vgainfo.ucMemoryType, |
| vgainfo.ucUMAChannelNumber, |
| vgainfo.ucDockingPinBit, |
| vgainfo.ucDockingPinPolarity, |
| |
| (unsigned long)vgainfo.ulDockingPinCFGInfo, |
| (unsigned long)vgainfo.ulCPUCapInfo, |
| |
| vgainfo.usNumberOfCyclesInPeriod, |
| vgainfo.usMaxNBVoltage, |
| vgainfo.usMinNBVoltage, |
| vgainfo.usBootUpNBVoltage, |
| |
| (unsigned long)vgainfo.ulHTLinkFreq, |
| |
| vgainfo.usMinHTLinkWidth, |
| vgainfo.usMaxHTLinkWidth, |
| vgainfo.usUMASyncStartDelay, |
| vgainfo.usUMADataReturnTime, |
| vgainfo.usLinkStatusZeroTime, |
| |
| (unsigned long)vgainfo.ulHighVoltageHTLinkFreq, |
| (unsigned long)vgainfo.ulLowVoltageHTLinkFreq, |
| |
| vgainfo.usMaxUpStreamHTLinkWidth, |
| vgainfo.usMaxDownStreamHTLinkWidth, |
| vgainfo.usMinUpStreamHTLinkWidth, |
| vgainfo.usMinDownStreamHTLinkWidth); |
| |
| |
| /* Transfer the Table to VBIOS. */ |
| pointer = (u32 *)&vgainfo; |
| for (i = 0; i < sizeof(ATOM_INTEGRATED_SYSTEM_INFO_V2); i+=4) { |
| #if IS_ENABLED(CONFIG_GFXUMA) |
| *GpuF0MMReg = 0x80000000 + uma_memory_size - 512 + i; |
| #else |
| *GpuF0MMReg = 0x80000000 + 0x8000000 - 512 + i; |
| #endif |
| *(GpuF0MMReg+1) = *pointer++; |
| } |
| |
| /* GFX_InitLate. */ |
| { |
| u32 temp; |
| temp = pci_read_config8(dev, 0x4); |
| //temp &= ~1; /* CIM clears this bit. Strangely, I can'd. */ |
| temp |= 1<<1|1<<2; |
| pci_write_config8(dev, 0x4, temp); |
| |
| // if the GFX debug bar is writable, then it has |
| // been programmed and can be safely enabled now |
| temp = pci_read_config32(nb_dev, 0x8c); |
| |
| // if bits 1 (intgfx_enable) and 9 (gfx_debug_bar_enable) |
| // then enable gfx debug bar (set gxf_debug_decode_enable) |
| if (temp & 0x202) |
| temp |= (1 << 10); |
| pci_write_config32(nb_dev, 0x8c, temp); |
| |
| } |
| |
| #ifdef DONT_TRUST_RESOURCE_ALLOCATION |
| /* NB_SetupMGMMIO. */ |
| |
| /* clear MMIO and CreativeMMIO. */ |
| bpointer = (unsigned char *)MMIO; |
| for (i = 0; i < sizeof(MMIO); i++) { |
| *bpointer = 0; |
| bpointer++; |
| } |
| bpointer = (unsigned char *)CreativeMMIO; |
| for (i = 0; i < sizeof(CreativeMMIO); i++) { |
| *bpointer = 0; |
| bpointer++; |
| } |
| |
| /* Set MMIO ranges in K8. */ |
| /* Set MMIO TOM - 4G. */ |
| SetMMIO(0x400<<12, 0x1000000, 0x80, &MMIO[0]); |
| /* Set MMIO for VGA Legacy FB. */ |
| SetMMIO(0xa00, 0xc00, 0x80, &MMIO[0]); |
| |
| /* Set MMIO for non prefetchable P2P. */ |
| temp = pci_read_config32(dev0x14, 0x20); |
| Base32 = (temp & 0x0fff0) << 8; |
| Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8; |
| if (Base32 < Limit32) { |
| Status = GetCreativeMMIO(&CreativeMMIO[0]); |
| if (Status != CIM_ERROR) |
| SetMMIO(Base32, Limit32, 0x0, &MMIO[0]); |
| } |
| /* Set MMIO for prefetchable P2P. */ |
| if (Status != CIM_ERROR) { |
| temp = pci_read_config32(dev0x14, 0x24); |
| |
| Base32 = (temp & 0x0fff0) <<8; |
| Limit32 = ((temp & 0x0fff00000) + 0x100000) >> 8; |
| if (Base32 < Limit32) |
| SetMMIO(Base32, Limit32, 0x0, &MMIO[0]); |
| } |
| |
| FinalizeMMIO(&MMIO[0]); |
| |
| ProgramMMIO(&CreativeMMIO[0], 0, MMIO_ATTRIB_NP_ONLY); |
| ProgramMMIO(&MMIO[0], 0, MMIO_ATTRIB_NP_ONLY | MMIO_ATTRIB_BOTTOM_TO_TOP | MMIO_ATTRIB_SKIP_ZERO); |
| #endif |
| |
| pci_dev_init(dev); |
| |
| /* clk ind */ |
| clkind_write(dev, 0x08, 0x01); |
| clkind_write(dev, 0x0C, 0x22); |
| clkind_write(dev, 0x0F, 0x0); |
| clkind_write(dev, 0x11, 0x0); |
| clkind_write(dev, 0x12, 0x0); |
| clkind_write(dev, 0x14, 0x0); |
| clkind_write(dev, 0x15, 0x0); |
| clkind_write(dev, 0x16, 0x0); |
| clkind_write(dev, 0x17, 0x0); |
| clkind_write(dev, 0x18, 0x0); |
| clkind_write(dev, 0x19, 0x0); |
| clkind_write(dev, 0x1A, 0x0); |
| clkind_write(dev, 0x1B, 0x0); |
| clkind_write(dev, 0x1C, 0x0); |
| clkind_write(dev, 0x1D, 0x0); |
| clkind_write(dev, 0x1E, 0x0); |
| clkind_write(dev, 0x26, 0x0); |
| clkind_write(dev, 0x27, 0x0); |
| clkind_write(dev, 0x28, 0x0); |
| clkind_write(dev, 0x5C, 0x0); |
| } |
| |
| /** |
| * Set registers in RS780 and CPU to disable the internal GFX. |
| * Please refer to `rs780_internal_gfx_enable()`. |
| */ |
| static void rs780_internal_gfx_disable(struct device *dev) |
| { |
| u32 l_dword; |
| struct device *nb_dev = dev_find_slot(0, 0); |
| |
| /* Disable internal GFX and enable external GFX. */ |
| l_dword = pci_read_config32(nb_dev, 0x8c); |
| l_dword |= 1<<0; |
| l_dword &= ~(1<<1); |
| pci_write_config32(nb_dev, 0x8c, l_dword); |
| |
| dev->enabled = 0; |
| } |
| |
| /* |
| * Set registers in RS780 and CPU to enable the internal GFX. |
| * Please refer to CIM source code and BKDG. |
| */ |
| |
| static void rs780_internal_gfx_enable(struct device *dev) |
| { |
| u32 l_dword; |
| int i; |
| struct device *nb_dev = dev_find_slot(0, 0); |
| msr_t sysmem; |
| |
| #if !IS_ENABLED(CONFIG_GFXUMA) |
| u32 FB_Start, FB_End; |
| #endif |
| |
| printk(BIOS_DEBUG, "rs780_internal_gfx_enable dev = 0x%p, nb_dev = 0x%p.\n", dev, nb_dev); |
| |
| /* The system top memory in 780. */ |
| sysmem = rdmsr(0xc001001a); |
| printk(BIOS_DEBUG, "Sysmem TOM = %x_%x\n", sysmem.hi, sysmem.lo); |
| pci_write_config32(nb_dev, 0x90, sysmem.lo); |
| |
| sysmem = rdmsr(0xc001001D); |
| printk(BIOS_DEBUG, "Sysmem TOM2 = %x_%x\n", sysmem.hi, sysmem.lo); |
| htiu_write_index(nb_dev, 0x31, sysmem.hi); |
| htiu_write_index(nb_dev, 0x30, sysmem.lo | 1); |
| |
| /* Disable external GFX and enable internal GFX. */ |
| l_dword = pci_read_config32(nb_dev, 0x8c); |
| l_dword &= ~(1<<0); |
| l_dword |= 1<<1; |
| pci_write_config32(nb_dev, 0x8c, l_dword); |
| |
| /* NB_SetDefaultIndexes */ |
| pci_write_config32(nb_dev, 0x94, 0x7f); |
| pci_write_config32(nb_dev, 0x60, 0x7f); |
| pci_write_config32(nb_dev, 0xe0, 0); |
| |
| /* NB_InitEarlyNB finished. */ |
| |
| /* LPC DMA Deadlock workaround? */ |
| /* GFX_InitCommon*/ |
| struct device *k8_f0 = dev_find_slot(0, PCI_DEVFN(0x18, 0)); |
| l_dword = pci_read_config32(k8_f0, 0x68); |
| l_dword &= ~(3 << 21); |
| l_dword |= (1 << 21); |
| pci_write_config32(k8_f0, 0x68, l_dword); |
| |
| /* GFX_InitCommon. */ |
| nbmc_write_index(nb_dev, 0x23, 0x00c00010); |
| set_nbmc_enable_bits(nb_dev, 0x16, 1<<15, 1<<15); |
| set_nbmc_enable_bits(nb_dev, 0x25, 0xffffffff, 0x111f111f); |
| set_htiu_enable_bits(nb_dev, 0x37, 1<<24, 1<<24); |
| |
| #if IS_ENABLED(CONFIG_GFXUMA) |
| /* GFX_InitUMA. */ |
| /* Copy CPU DDR Controller to NB MC. */ |
| struct device *k8_f1 = dev_find_slot(0, PCI_DEVFN(0x18, 1)); |
| struct device *k8_f2 = dev_find_slot(0, PCI_DEVFN(0x18, 2)); |
| struct device *k8_f4 = dev_find_slot(0, PCI_DEVFN(0x18, 4)); |
| for (i = 0; i < 12; i++) { |
| l_dword = pci_read_config32(k8_f2, 0x40 + i * 4); |
| nbmc_write_index(nb_dev, 0x30 + i, l_dword); |
| } |
| |
| l_dword = pci_read_config32(k8_f2, 0x80); |
| nbmc_write_index(nb_dev, 0x3c, l_dword); |
| l_dword = pci_read_config32(k8_f2, 0x94); |
| set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<<22))<<16); |
| set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<< 8))<<17); |
| l_dword = pci_read_config32(k8_f2, 0x90); |
| set_nbmc_enable_bits(nb_dev, 0x3c, 0, !!(l_dword & (1<<10))<<18); |
| if (is_family10h()) { |
| for (i = 0; i < 12; i++) { |
| l_dword = pci_read_config32(k8_f2, 0x140 + i * 4); |
| nbmc_write_index(nb_dev, 0x3d + i, l_dword); |
| } |
| |
| l_dword = pci_read_config32(k8_f2, 0x180); |
| nbmc_write_index(nb_dev, 0x49, l_dword); |
| l_dword = pci_read_config32(k8_f2, 0x194); |
| set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<<22))<<16); |
| set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<< 8))<<17); |
| l_dword = pci_read_config32(k8_f2, 0x190); |
| set_nbmc_enable_bits(nb_dev, 0x49, 0, !!(l_dword & (1<<10))<<18); |
| |
| l_dword = pci_read_config32(k8_f2, 0x110); |
| nbmc_write_index(nb_dev, 0x4a, l_dword); |
| l_dword = pci_read_config32(k8_f2, 0x114); |
| nbmc_write_index(nb_dev, 0x4b, l_dword); |
| l_dword = pci_read_config32(k8_f4, 0x44); |
| set_nbmc_enable_bits(nb_dev, 0x4a, 0, !!(l_dword & (1<<22))<<24); |
| l_dword = pci_read_config32(k8_f1, 0x40); |
| nbmc_write_index(nb_dev, 0x4c, l_dword); |
| l_dword = pci_read_config32(k8_f1, 0xf0); |
| nbmc_write_index(nb_dev, 0x4d, l_dword); |
| } |
| |
| |
| /* Set UMA in the 780 side. */ |
| /* UMA start address, size. */ |
| /* The UMA starts at 0xC0000000 of internal RS780 address space |
| [31:16] addr of last byte | [31:16] addr of first byte |
| */ |
| nbmc_write_index(nb_dev, 0x10, ((uma_memory_size - 1 + 0xC0000000) & (~0xffff)) | 0xc000); |
| nbmc_write_index(nb_dev, 0x11, uma_memory_base); |
| nbmc_write_index(nb_dev, 0x12, 0); |
| nbmc_write_index(nb_dev, 0xf0, uma_memory_size >> 20); |
| /* GFX_InitUMA finished. */ |
| #else |
| /* GFX_InitSP. */ |
| /* SP memory:Hynix HY5TQ1G631ZNFP. 128MB = 64M * 16. 667MHz. DDR3. */ |
| |
| /* Enable Async mode. */ |
| set_nbmc_enable_bits(nb_dev, 0x06, 7<<8, 1<<8); |
| set_nbmc_enable_bits(nb_dev, 0x08, 1<<10, 0); |
| /* The last item in AsynchMclkTaskFileIndex. Why? */ |
| /* MC_MPLL_CONTROL2. */ |
| nbmc_write_index(nb_dev, 0x07, 0x40100028); |
| /* MC_MPLL_DIV_CONTROL. */ |
| nbmc_write_index(nb_dev, 0x0b, 0x00000028); |
| /* MC_MPLL_FREQ_CONTROL. */ |
| set_nbmc_enable_bits(nb_dev, 0x09, 3<<12|15<<16|15<<8, 1<<12|4<<16|0<<8); |
| /* MC_MPLL_CONTROL3. For PM. */ |
| set_nbmc_enable_bits(nb_dev, 0x08, 0xff<<13, 1<<13|1<<18); |
| /* MPLL_CAL_TRIGGER. */ |
| set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<0); |
| udelay(200); /* time is long enough? */ |
| set_nbmc_enable_bits(nb_dev, 0x06, 0, 1<<1); |
| set_nbmc_enable_bits(nb_dev, 0x06, 1<<0, 0); |
| /* MCLK_SRC_USE_MPLL. */ |
| set_nbmc_enable_bits(nb_dev, 0x02, 0, 1<<20); |
| |
| /* Pre Init MC. */ |
| nbmc_write_index(nb_dev, 0x01, 0x88108280); |
| set_nbmc_enable_bits(nb_dev, 0x02, ~(1<<20), 0x00030200); |
| nbmc_write_index(nb_dev, 0x04, 0x08881018); |
| nbmc_write_index(nb_dev, 0x05, 0x000000bb); |
| nbmc_write_index(nb_dev, 0x0c, 0x0f00001f); |
| nbmc_write_index(nb_dev, 0xa1, 0x01f10000); |
| /* MCA_INIT_DLL_PM. */ |
| set_nbmc_enable_bits(nb_dev, 0xc9, 1<<24, 1<<24); |
| nbmc_write_index(nb_dev, 0xa2, 0x74f20000); |
| nbmc_write_index(nb_dev, 0xa3, 0x8af30000); |
| nbmc_write_index(nb_dev, 0xaf, 0x47d0a41c); |
| nbmc_write_index(nb_dev, 0xb0, 0x88800130); |
| nbmc_write_index(nb_dev, 0xb1, 0x00000040); |
| nbmc_write_index(nb_dev, 0xb4, 0x41247000); |
| nbmc_write_index(nb_dev, 0xb5, 0x00066664); |
| nbmc_write_index(nb_dev, 0xb6, 0x00000022); |
| nbmc_write_index(nb_dev, 0xb7, 0x00000044); |
| nbmc_write_index(nb_dev, 0xb8, 0xbbbbbbbb); |
| nbmc_write_index(nb_dev, 0xb9, 0xbbbbbbbb); |
| nbmc_write_index(nb_dev, 0xba, 0x55555555); |
| nbmc_write_index(nb_dev, 0xc1, 0x00000000); |
| nbmc_write_index(nb_dev, 0xc2, 0x00000000); |
| nbmc_write_index(nb_dev, 0xc3, 0x80006b00); |
| nbmc_write_index(nb_dev, 0xc4, 0x00066664); |
| nbmc_write_index(nb_dev, 0xc5, 0x00000000); |
| nbmc_write_index(nb_dev, 0xd2, 0x00000022); |
| nbmc_write_index(nb_dev, 0xd3, 0x00000044); |
| nbmc_write_index(nb_dev, 0xd6, 0x00050005); |
| nbmc_write_index(nb_dev, 0xd7, 0x00000000); |
| nbmc_write_index(nb_dev, 0xd8, 0x00700070); |
| nbmc_write_index(nb_dev, 0xd9, 0x00700070); |
| nbmc_write_index(nb_dev, 0xe0, 0x00200020); |
| nbmc_write_index(nb_dev, 0xe1, 0x00200020); |
| nbmc_write_index(nb_dev, 0xe8, 0x00200020); |
| nbmc_write_index(nb_dev, 0xe9, 0x00200020); |
| nbmc_write_index(nb_dev, 0xe0, 0x00180018); |
| nbmc_write_index(nb_dev, 0xe1, 0x00180018); |
| nbmc_write_index(nb_dev, 0xe8, 0x00180018); |
| nbmc_write_index(nb_dev, 0xe9, 0x00180018); |
| |
| /* Misc options. */ |
| /* Memory Termination. */ |
| set_nbmc_enable_bits(nb_dev, 0xa1, 0x0ff, 0x044); |
| set_nbmc_enable_bits(nb_dev, 0xb4, 0xf00, 0xb00); |
| #if 0 |
| /* Controller Termination. */ |
| set_nbmc_enable_bits(nb_dev, 0xb1, 0x77770000, 0x77770000); |
| #endif |
| |
| /* OEM Init MC. 667MHz. */ |
| nbmc_write_index(nb_dev, 0xa8, 0x7a5aaa78); |
| nbmc_write_index(nb_dev, 0xa9, 0x514a2319); |
| nbmc_write_index(nb_dev, 0xaa, 0x54400520); |
| nbmc_write_index(nb_dev, 0xab, 0x441460ff); |
| nbmc_write_index(nb_dev, 0xa0, 0x20f00a48); |
| set_nbmc_enable_bits(nb_dev, 0xa2, ~(0xffffffc7), 0x10); |
| nbmc_write_index(nb_dev, 0xb2, 0x00000303); |
| set_nbmc_enable_bits(nb_dev, 0xb1, ~(0xffffff70), 0x45); |
| /* Do it later. */ |
| /* set_nbmc_enable_bits(nb_dev, 0xac, ~(0xfffffff0), 0x0b); */ |
| |
| /* Init PM timing. */ |
| for (i = 0; i < 4; i++) { |
| l_dword = nbmc_read_index(nb_dev, 0xa0+i); |
| nbmc_write_index(nb_dev, 0xc8+i, l_dword); |
| } |
| for (i = 0; i < 4; i++) { |
| l_dword = nbmc_read_index(nb_dev, 0xa8+i); |
| nbmc_write_index(nb_dev, 0xcc+i, l_dword); |
| } |
| l_dword = nbmc_read_index(nb_dev, 0xb1); |
| set_nbmc_enable_bits(nb_dev, 0xc8, 0xff<<24, ((l_dword&0x0f)<<24)|((l_dword&0xf00)<<20)); |
| |
| /* Init MC FB. */ |
| /* FB_Start = ; FB_End = ; iSpSize = 0x0080, 128MB. */ |
| nbmc_write_index(nb_dev, 0x11, 0x40000000); |
| FB_Start = 0xc00 + 0x080; |
| FB_End = 0xc00 + 0x080; |
| nbmc_write_index(nb_dev, 0x10, (((FB_End&0xfff)<<20)-0x10000)|(((FB_Start&0xfff)-0x080)<<4)); |
| set_nbmc_enable_bits(nb_dev, 0x0d, ~0x000ffff0, (FB_Start&0xfff)<<20); |
| nbmc_write_index(nb_dev, 0x0f, 0); |
| nbmc_write_index(nb_dev, 0x0e, (FB_Start&0xfff)|(0xaaaa<<12)); |
| #endif |
| |
| /* GFX_InitSP finished. */ |
| } |
| |
| static struct pci_operations lops_pci = { |
| .set_subsystem = pci_dev_set_subsystem, |
| }; |
| |
| static struct device_operations pcie_ops = { |
| .read_resources = rs780_gfx_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = internal_gfx_pci_dev_init, /* The option ROM initializes the device. rs780_gfx_init, */ |
| .scan_bus = 0, |
| .enable = rs780_internal_gfx_enable, |
| .disable = rs780_internal_gfx_disable, |
| .ops_pci = &lops_pci, |
| }; |
| |
| /* |
| * We should list all of them here. |
| * */ |
| static const unsigned short pcie_780_ids[] = { |
| PCI_DEVICE_ID_ATI_RS780_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS780C_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS780M_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS780MC_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS780E_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS785G_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS785C_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS785M_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS785MC_INT_GFX, |
| PCI_DEVICE_ID_ATI_RS785D_INT_GFX, |
| 0 |
| }; |
| |
| static const struct pci_driver pcie_driver_780 __pci_driver = { |
| .ops = &pcie_ops, |
| .vendor = PCI_VENDOR_ID_ATI, |
| .devices = pcie_780_ids, |
| }; |
| |
| /* step 12 ~ step 14 from rpr */ |
| static void single_port_configuration(struct device *nb_dev, struct device *dev) |
| { |
| u8 result, width; |
| u32 reg32; |
| struct southbridge_amd_rs780_config *cfg = |
| (struct southbridge_amd_rs780_config *)nb_dev->chip_info; |
| |
| printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration.\n"); |
| |
| /* step 12 training, releases hold training for GFX port 0 (device 2) */ |
| PcieReleasePortTraining(nb_dev, dev, 2); |
| result = PcieTrainPort(nb_dev, dev, 2); |
| printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step12.\n"); |
| |
| /* step 13 Power Down Control */ |
| /* step 13.1 Enables powering down transmitter and receiver pads along with PLL macros. */ |
| set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0); |
| |
| /* step 13.a Link Training was NOT successful */ |
| if (!result) { |
| set_nbmisc_enable_bits(nb_dev, 0x8, 0, 0x3 << 4); /* prevent from training. */ |
| set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x3 << 2); /* hide the GFX bridge. */ |
| if (cfg->gfx_tmds) |
| nbpcie_ind_write_index(nb_dev, 0x65, 0xccf0f0); |
| else { |
| nbpcie_ind_write_index(nb_dev, 0x65, 0xffffffff); |
| set_nbmisc_enable_bits(nb_dev, 0x7, 1 << 3, 1 << 3); |
| } |
| } else { /* step 13.b Link Training was successful */ |
| AtiPcieCfg.PortDetect |= 1 << 2; /* Port 2 */ |
| set_pcie_enable_bits(dev, 0xA2, 0xFF, 0x1); |
| reg32 = nbpcie_p_read_index(dev, 0x29); |
| width = reg32 & 0xFF; |
| printk(BIOS_DEBUG, "GFX Inactive Lanes = 0x%x.\n", width); |
| switch (width) { |
| case 1: |
| case 2: |
| nbpcie_ind_write_index(nb_dev, 0x65, |
| cfg->gfx_lane_reversal ? 0x7f7f : 0xccfefe); |
| break; |
| case 4: |
| nbpcie_ind_write_index(nb_dev, 0x65, |
| cfg->gfx_lane_reversal ? 0x3f3f : 0xccfcfc); |
| break; |
| case 8: |
| nbpcie_ind_write_index(nb_dev, 0x65, |
| cfg->gfx_lane_reversal ? 0x0f0f : 0xccf0f0); |
| break; |
| } |
| } |
| printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step13.\n"); |
| |
| /* step 14 Reset Enumeration Timer, disables the shortening of the enumeration timer */ |
| set_pcie_enable_bits(dev, 0x70, 1 << 19, 1 << 19); |
| printk(BIOS_DEBUG, "rs780_gfx_init single_port_configuration step14.\n"); |
| } |
| |
| static void dual_port_configuration(struct device *nb_dev, struct device *dev) |
| { |
| u8 result, width; |
| u32 reg32, dev_ind = dev->path.pci.devfn >> 3; |
| struct southbridge_amd_rs780_config *cfg = |
| (struct southbridge_amd_rs780_config *)nb_dev->chip_info; |
| |
| /* 5.4.1.2 Dual Port Configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); |
| |
| /* 5.7. Training for Device 2 */ |
| /* 5.7.1. Releases hold training for GFX port 0 (device 2) */ |
| PcieReleasePortTraining(nb_dev, dev, dev_ind); |
| /* 5.7.2- 5.7.9. PCIE Link Training Sequence */ |
| result = PcieTrainPort(nb_dev, dev, dev_ind); |
| |
| /* Power Down Control for Device 2 */ |
| /* Link Training was NOT successful */ |
| if (!result) { |
| /* Powers down all lanes for port A */ |
| /* nbpcie_ind_write_index(nb_dev, 0x65, 0x0f0f); */ |
| /* Note: I have to disable the slot where there isn't a device, |
| * otherwise the system will hang. I don't know why. */ |
| set_nbmisc_enable_bits(nb_dev, 0x0c, 1 << dev_ind, 1 << dev_ind); |
| |
| } else { /* step 16.b Link Training was successful */ |
| AtiPcieCfg.PortDetect |= 1 << dev_ind; |
| reg32 = nbpcie_p_read_index(dev, 0xa2); |
| width = (reg32 >> 4) & 0x7; |
| printk(BIOS_DEBUG, "GFX LC_LINK_WIDTH = 0x%x.\n", width); |
| switch (width) { |
| case 1: |
| case 2: |
| nbpcie_ind_write_index(nb_dev, 0x65, |
| cfg->gfx_lane_reversal ? 0x0707 : 0x0e0e); |
| break; |
| case 4: |
| nbpcie_ind_write_index(nb_dev, 0x65, |
| cfg->gfx_lane_reversal ? 0x0303 : 0x0c0c); |
| break; |
| } |
| } |
| } |
| |
| /* For single port GFX configuration Only |
| * width: |
| * 000 = x16 |
| * 001 = x1 |
| * 010 = x2 |
| * 011 = x4 |
| * 100 = x8 |
| * 101 = x12 (not supported) |
| * 110 = x16 |
| */ |
| static void dynamic_link_width_control(struct device *nb_dev, struct device *dev, u8 width) |
| { |
| u32 reg32; |
| struct device *sb_dev; |
| struct southbridge_amd_rs780_config *cfg = |
| (struct southbridge_amd_rs780_config *)nb_dev->chip_info; |
| |
| /* step 5.9.1.1 */ |
| reg32 = nbpcie_p_read_index(dev, 0xa2); |
| |
| /* step 5.9.1.2 */ |
| set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 1 << 0); |
| /* step 5.9.1.3 */ |
| set_pcie_enable_bits(dev, 0xa2, 3 << 0, width << 0); |
| /* step 5.9.1.4 */ |
| set_pcie_enable_bits(dev, 0xa2, 1 << 8, 1 << 8); |
| /* step 5.9.2.4 */ |
| if (0 == cfg->gfx_reconfiguration) |
| set_pcie_enable_bits(dev, 0xa2, 1 << 11, 1 << 11); |
| |
| /* step 5.9.1.5 */ |
| do { |
| reg32 = nbpcie_p_read_index(dev, 0xa2); |
| } |
| while (reg32 & 0x100); |
| |
| /* step 5.9.1.6 */ |
| sb_dev = dev_find_slot(0, PCI_DEVFN(8, 0)); |
| do { |
| reg32 = pci_ext_read_config32(nb_dev, sb_dev, |
| PCIE_VC0_RESOURCE_STATUS); |
| } while (reg32 & VC_NEGOTIATION_PENDING); |
| |
| /* step 5.9.1.7 */ |
| reg32 = nbpcie_p_read_index(dev, 0xa2); |
| if (((reg32 & 0x70) >> 4) != 0x6) { |
| /* the unused lanes should be powered off. */ |
| } |
| |
| /* step 5.9.1.8 */ |
| set_pcie_enable_bits(nb_dev, 0x40, 1 << 0, 0 << 0); |
| } |
| |
| /* |
| * GFX Core initialization, dev2, dev3 |
| */ |
| void rs780_gfx_init(struct device *nb_dev, struct device *dev, u32 port) |
| { |
| u32 reg32; |
| struct southbridge_amd_rs780_config *cfg = |
| (struct southbridge_amd_rs780_config *)nb_dev->chip_info; |
| |
| printk(BIOS_DEBUG, "rs780_gfx_init, nb_dev=0x%p, dev=0x%p, port=0x%x.\n", |
| nb_dev, dev, port); |
| |
| /* GFX Core Initialization */ |
| //if (port == 2) return; |
| |
| /* step 2, TMDS, (only need if CMOS option is enabled) */ |
| if (cfg->gfx_tmds) { |
| /** |
| * PCIe Initialization for DDI. |
| * The VBIOS/Driver is responsible for DDI programming sequence, |
| * The SBIOS is responsible for programming the lane and clock muxing specific to each case. |
| * Refer to RPR Chapter 7: "PCIe Initialization for DDI". |
| * Note: This programming must be done before hold training is released. |
| */ |
| switch (cfg->gfx_pcie_config) { |
| case 1: /* 1x16 GFX -default case, no programming required */ |
| break; |
| case 2: /* 1x8 GFX on Lanes 0-7 */ |
| case 5: /* 1x4 GPP on Lanes 0-3 */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); /* Disables PCIe mode on PHY Lanes 8-11 */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); /* Disables PCIe mode on PHY Lanes 12-15 */ |
| break; |
| case 3: /* 1x8 on Lanes 8-15 */ |
| case 7: /* 1x4 GPP on Lanes 8-11 */ |
| /* TXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x0 << 0); |
| /* RXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x2 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); |
| /* TX Lane Muxing */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); |
| break; |
| case 4: /* 2x8 */ |
| case 10: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 8-11 */ |
| case 14: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 8-11 */ |
| case 17: /* 1x4 GPP on Lanes 0-3 and 1x8 GFX on Lanes 8-15 */ |
| /* Set dual slot configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| break; |
| case 9: /* PCIe 2x4 GPPs on Lanes 0-7 */ |
| case 6: /* PCIe 1x4 GPP on Lanes 4-7 */ |
| /* Set dual slot configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| /* TXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 0, 0x0 << 0); |
| /* RXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x1 << 10); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x0 << 14); |
| /* TX Lane Muxing */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); |
| break; |
| case 13: /* 2x4 GPPs on Lanes 8-15 */ |
| case 8: /* 1x4 GPP on Lanes 12-15 */ |
| /* Set dual slot configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| /* TXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x3 << 0); |
| /* RXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x3 << 10); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); |
| /* TX Lane Muxing */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); |
| break; |
| case 15: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 12-15 */ |
| case 11: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 12-15 */ |
| /* Set dual slot configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| /* TXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x1 << 0); |
| /* RXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x0 << 10); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x3 << 14); |
| /* TX Lane Muxing */ |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); |
| break; |
| case 16: /* 1x8 GFX on Lanes 8-15 and 1x4 GPP on Lanes 4-7 */ |
| case 12: /* 1x4 GPP on Lanes 4-7 and 1x8 GFX on Lanes 8-15 */ |
| /* Set dual slot configuration */ |
| set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); |
| /* TXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); |
| set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 22, 0x2 << 22); |
| set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x2 << 0); |
| /* RXCLK */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x1 << 14); |
| /* TX Lane Muxing */ |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); |
| set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); |
| break; |
| default: |
| printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); |
| break; |
| } |
| |
| /* DDI Configuration */ |
| switch (cfg->gfx_ddi_config) { |
| case 1: /* DDI_SL lanes0-3 */ |
| nbmisc_write_index(nb_dev, 0x74, GFX_CONFIG_DDI); |
| break; |
| case 2: /* DDI_SL lanes4-7 */ |
| nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8)); |
| break; |
| case 5: /* DDI_SL lanes0-4, lanes4-7 */ |
| nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); |
| break; |
| case 6: /* DDI_DL lanes0-7 */ |
| nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); |
| break; |
| default: |
| printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); |
| break; |
| } |
| } |
| |
| #if 1 /* external clock mode */ |
| /* table 5-22, 5.9.1. REFCLK */ |
| /* 5.9.1.1. Disables the GFX REFCLK transmitter so that the GFX |
| * REFCLK PAD can be driven by an external source. */ |
| /* 5.9.1.2. Enables GFX REFCLK receiver to receive the REFCLK from an external source. */ |
| set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28 | 1 << 26, 1 << 28); |
| |
| /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */ |
| /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */ |
| /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */ |
| reg32 = nbmisc_read_index(nb_dev, 0x28); |
| printk(BIOS_DEBUG, "misc 28 = %x\n", reg32); |
| |
| /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */ |
| set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 1 << 31); |
| #else /* internal clock mode */ |
| /* table 5-23, 5.9.1. REFCLK */ |
| /* 5.9.1.1. Enables the GFX REFCLK transmitter so that the GFX |
| * REFCLK PAD can be driven by the SB REFCLK. */ |
| /* 5.9.1.2. Disables GFX REFCLK receiver from receiving the |
| * REFCLK from an external source.*/ |
| set_nbmisc_enable_bits(nb_dev, 0x38, 1 << 29 | 1 << 28, 1 << 29 | 0 << 28); |
| |
| /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */ |
| /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */ |
| /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */ |
| set_nbmisc_enable_bits(nb_dev, 0x28, 3 << 6 | 3 << 8 | 3 << 10, |
| 0); |
| reg32 = nbmisc_read_index(nb_dev, 0x28); |
| printk(BIOS_DEBUG, "misc 28 = %x\n", reg32); |
| |
| /* 5.9.1.6.Selects the single ended GFX REFCLK to be the source for core logic. */ |
| set_nbmisc_enable_bits(nb_dev, 0x6C, 1 << 31, 0 << 31); |
| #endif |
| |
| /* step 5.9.3, GFX overclocking, (only need if CMOS option is enabled) */ |
| /* 5.9.3.1. Increases PLL BW for 6G operation.*/ |
| /* set_nbmisc_enable_bits(nb_dev, 0x36, 0x3FF << 4, 0xB5 << 4); */ |
| /* skip */ |
| |
| /* step 5.9.4, reset the GFX link */ |
| /* step 5.9.4.1 asserts both calibration reset and global reset */ |
| set_nbmisc_enable_bits(nb_dev, 0x8, 0x3 << 14, 0x3 << 14); |
| |
| /* step 5.9.4.2 de-asserts calibration reset */ |
| set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 14, 0 << 14); |
| |
| /* step 5.9.4.3 wait for at least 200us */ |
| udelay(300); |
| |
| /* step 5.9.4.4 de-asserts global reset */ |
| set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 15, 0 << 15); |
| |
| /* 5.9.5 Reset PCIE_GFX Slot */ |
| /* It is done in mainboard.c */ |
| set_pcie_reset(); |
| mdelay(1); |
| set_pcie_dereset(); |
| |
| /* step 5.9.8 program PCIE memory mapped configuration space */ |
| /* done by enable_pci_bar3() before */ |
| |
| /* step 7 compliance state, (only need if CMOS option is enabled) */ |
| /* the compliance state is just for test. refer to 4.2.5.2 of PCIe specification */ |
| if (cfg->gfx_compliance) { |
| /* force compliance */ |
| set_nbmisc_enable_bits(nb_dev, 0x32, 1 << 6, 1 << 6); |
| /* release hold training for device 2. GFX initialization is done. */ |
| set_nbmisc_enable_bits(nb_dev, 0x8, 1 << 4, 0 << 4); |
| dynamic_link_width_control(nb_dev, dev, cfg->gfx_link_width); |
| printk(BIOS_DEBUG, "rs780_gfx_init step7.\n"); |
| return; |
| } |
| |
| /* 5.9.12 Core Initialization. */ |
| /* 5.9.12.1 sets RCB timeout to be 25ms */ |
| /* 5.9.12.2. RCB Cpl timeout on link down. */ |
| set_pcie_enable_bits(dev, 0x70, 7 << 16 | 1 << 19, 4 << 16 | 1 << 19); |
| printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.1.\n"); |
| |
| /* step 5.9.12.3 disables slave ordering logic */ |
| set_pcie_enable_bits(nb_dev, 0x20, 1 << 8, 1 << 8); |
| printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.3.\n"); |
| |
| /* step 5.9.12.4 sets DMA payload size to 64 bytes */ |
| set_pcie_enable_bits(nb_dev, 0x10, 7 << 10, 4 << 10); |
| /* 5.9.12.5. Blocks DMA traffic during C3 state. */ |
| set_pcie_enable_bits(dev, 0x10, 1 << 0, 0 << 0); |
| |
| /* 5.9.12.6. Disables RC ordering logic */ |
| set_pcie_enable_bits(nb_dev, 0x20, 1 << 9, 1 << 9); |
| |
| /* Enables TLP flushing. */ |
| /* Note: It is got from RS690. The system will hang without this action. */ |
| set_pcie_enable_bits(dev, 0x20, 1 << 19, 0 << 19); |
| |
| /* 5.9.12.7. Ignores DLLPs during L1 so that txclk can be turned off */ |
| set_pcie_enable_bits(nb_dev, 0x2, 1 << 0, 1 << 0); |
| |
| /* 5.9.12.8 Prevents LC to go from L0 to Rcv_L0s if L1 is armed. */ |
| set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); |
| |
| /* 5.9.12.9 CMGOOD_OVERRIDE for end point initiated lane degradation. */ |
| set_nbmisc_enable_bits(nb_dev, 0x6a, 1 << 17, 1 << 17); |
| printk(BIOS_DEBUG, "rs780_gfx_init step5.9.12.9.\n"); |
| |
| /* 5.9.12.10 Sets the timer in Config state from 20us to */ |
| /* 5.9.12.11 De-asserts RX_EN in L0s. */ |
| /* 5.9.12.12 Enables de-assertion of PG2RX_CR_EN to lock clock |
| * recovery parameter when lane is in electrical idle in L0s.*/ |
| set_pcie_enable_bits(dev, 0xB1, 1 << 23 | 1 << 19 | 1 << 28, 1 << 23 | 1 << 19 | 1 << 28); |
| |
| /* 5.9.12.13. Turns off offset calibration. */ |
| /* 5.9.12.14. Enables Rx Clock gating in CDR */ |
| set_nbmisc_enable_bits(nb_dev, 0x34, 1 << 10/* | 1 << 22 */, 1 << 10/* | 1 << 22 */); |
| |
| /* 5.9.12.15. Sets number of TX Clocks to drain TX Pipe to 3. */ |
| set_pcie_enable_bits(dev, 0xA0, 0xF << 4, 3 << 4); |
| |
| /* 5.9.12.16. Lets PI use Electrical Idle from PHY when |
| * turning off PLL in L1 at Gen2 speed instead Inferred Electrical Idle. */ |
| set_pcie_enable_bits(nb_dev, 0x40, 3 << 14, 2 << 14); |
| |
| /* 5.9.12.17. Prevents the Electrical Idle from causing a transition from Rcv_L0 to Rcv_L0s. */ |
| set_pcie_enable_bits(dev, 0xB1, 1 << 20, 1 << 20); |
| |
| /* 5.9.12.18. Prevents the LTSSM from going to Rcv_L0s if it has already |
| * acknowledged a request to go to L1. */ |
| set_pcie_enable_bits(dev, 0xA1, 1 << 11, 1 << 11); |
| |
| /* 5.9.12.19. LDSK only taking deskew on deskewing error detect */ |
| set_pcie_enable_bits(nb_dev, 0x40, 1 << 28, 0 << 28); |
| |
| /* 5.9.12.20. Bypasses lane de-skew logic if in x1 */ |
| set_pcie_enable_bits(nb_dev, 0xC2, 1 << 14, 1 << 14); |
| |
| /* 5.9.12.21. Sets Electrical Idle Threshold. */ |
| set_nbmisc_enable_bits(nb_dev, 0x35, 3 << 21, 2 << 21); |
| |
| /* 5.9.12.22. Advertises -6 dB de-emphasis value in TS1 Data Rate Identifier |
| * Only if CMOS Option in section. skip */ |
| |
| /* 5.9.12.23. Disables GEN2 capability of the device. */ |
| set_pcie_enable_bits(dev, 0xA4, 1 << 0, 0 << 0); |
| |
| /* 5.9.12.24.Disables advertising Upconfigure Support. */ |
| set_pcie_enable_bits(dev, 0xA2, 1 << 13, 1 << 13); |
| |
| /* 5.9.12.25. No comment in RPR. */ |
| set_nbmisc_enable_bits(nb_dev, 0x39, 1 << 10, 0 << 10); |
| |
| /* 5.9.12.26. This capacity is required since links wider than x1 and/or multiple link |
| * speed are supported */ |
| set_pcie_enable_bits(nb_dev, 0xC1, 1 << 0, 1 << 0); |
| |
| /* 5.9.12.27. Enables NVG86 ECO. A13 above only. */ |
| if (get_nb_rev(nb_dev) == REV_RS780_A12) /* A12 */ |
| set_pcie_enable_bits(dev, 0x02, 1 << 11, 1 << 11); |
| |
| /* 5.9.12.28 Hides and disables the completion timeout method. */ |
| set_pcie_enable_bits(nb_dev, 0xC1, 1 << 2, 0 << 2); |
| |
| /* 5.9.12.29. Use the bif_core de-emphasis strength by default. */ |
| /* set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 28, 1 << 28); */ |
| |
| /* 5.9.12.30. Set TX arbitration algorithm to round robin */ |
| set_pcie_enable_bits(nb_dev, 0x1C, |
| 1 << 0 | 0x1F << 1 | 0x1F << 6, |
| 1 << 0 | 0x04 << 1 | 0x04 << 6); |
| |
| /* Single-port/Dual-port configuration. */ |
| switch (cfg->gfx_dual_slot) { |
| case 0: |
| /* step 1, lane reversal (only need if build config option is enabled) */ |
| if (cfg->gfx_lane_reversal) { |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); |
| } |
| printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); |
| |
| printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); |
| if ((dev->path.pci.devfn >> 3) == 2) { |
| single_port_configuration(nb_dev, dev); |
| } else { |
| set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x2 << 2); /* hide the GFX bridge. */ |
| printk(BIOS_INFO, "Single port. Do nothing.\n"); // If dev3 |
| } |
| |
| break; |
| case 1: |
| /* step 1, lane reversal (only need if build config option is enabled) */ |
| if (cfg->gfx_lane_reversal) { |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3); |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); |
| } |
| printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); |
| /* step 1.1, dual-slot gfx configuration (only need if CMOS option is enabled) */ |
| /* AMD calls the configuration CrossFire */ |
| set_nbmisc_enable_bits(nb_dev, 0x0, 0xf << 8, 5 << 8); |
| printk(BIOS_DEBUG, "rs780_gfx_init step2.\n"); |
| |
| printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); |
| dual_port_configuration(nb_dev, dev); |
| break; |
| |
| case 2: |
| if (is_dev3_present()) { |
| /* step 1, lane reversal (only need if CMOS option is enabled) */ |
| if (cfg->gfx_lane_reversal) { |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 3, 1 << 3); |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); |
| } |
| printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); |
| /* step 1.1, dual-slot gfx configuration (only need if CMOS option is enabled) */ |
| /* AMD calls the configuration CrossFire */ |
| set_nbmisc_enable_bits(nb_dev, 0x0, 0xf << 8, 5 << 8); |
| printk(BIOS_DEBUG, "rs780_gfx_init step2.\n"); |
| |
| |
| printk(BIOS_DEBUG, "device = %x\n", dev->path.pci.devfn >> 3); |
| dual_port_configuration(nb_dev, dev); |
| |
| } else { |
| if (cfg->gfx_lane_reversal) { |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 1 << 31); |
| set_nbmisc_enable_bits(nb_dev, 0x33, 1 << 2, 1 << 2); |
| set_nbmisc_enable_bits(nb_dev, 0x36, 1 << 31, 0 << 31); |
| } |
| printk(BIOS_DEBUG, "rs780_gfx_init step1.\n"); |
| |
| if ((dev->path.pci.devfn >> 3) == 2) |
| single_port_configuration(nb_dev, dev); |
| else { |
| set_nbmisc_enable_bits(nb_dev, 0xc, 0, 0x2 << 2); /* hide the GFX bridge. */ |
| printk(BIOS_DEBUG, "If dev3.., single port. Do nothing.\n"); |
| } |
| } |
| break; |
| |
| default: |
| printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); |
| break; |
| } |
| } |