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authorArthur Heymans <arthur@aheymans.xyz>2019-11-19 17:22:29 +0100
committerKyösti Mälkki <kyosti.malkki@gmail.com>2019-11-20 19:00:29 +0000
commitecebee0561cf3e06bfba55509a5b7bebdb54d998 (patch)
treea26f8a2b42167843a3566551fcdadfd0b3336c82 /src/southbridge/amd/rs780/gfx.c
parent979d4ce02f489996aeca0ae7ec4437712012619c (diff)
sb/amd/rs780: Drop support
Relocatable ramstage, postcar stage and C_ENVIRONMENT_BOOTBLOCK are now mandatory features, which platforms using this code lack. Change-Id: I00d260f22badb712a963b907f7beb8fbb5b71eac Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36966 Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/amd/rs780/gfx.c')
-rw-r--r--src/southbridge/amd/rs780/gfx.c1572
1 files changed, 0 insertions, 1572 deletions
diff --git a/src/southbridge/amd/rs780/gfx.c b/src/southbridge/amd/rs780/gfx.c
deleted file mode 100644
index ca7414a9eb..0000000000
--- a/src/southbridge/amd/rs780/gfx.c
+++ /dev/null
@@ -1,1572 +0,0 @@
-/*
- * 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 <cpu/amd/mtrr.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 = pcidev_on_root(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 = pcidev_on_root(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 = pcidev_on_root(0x0, 0);
- struct device *k8_f2 = pcidev_on_root(0x18, 2);
- struct device *k8_f0 = pcidev_on_root(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 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 !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 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 = pcidev_on_root(0x0, 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 = pcidev_on_root(0x0, 0);
- msr_t sysmem;
-
-#if !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(TOP_MEM);
- printk(BIOS_DEBUG, "Sysmem TOM = %x_%x\n", sysmem.hi, sysmem.lo);
- pci_write_config32(nb_dev, 0x90, sysmem.lo);
-
- sysmem = rdmsr(TOP_MEM2);
- 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 = pcidev_on_root(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 CONFIG(GFXUMA)
- /* GFX_InitUMA. */
- /* Copy CPU DDR Controller to NB MC. */
- struct device *k8_f1 = pcidev_on_root(0x18, 1);
- struct device *k8_f2 = pcidev_on_root(0x18, 2);
- struct device *k8_f4 = pcidev_on_root(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 = pcidev_on_root(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;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 17:05:23 +0000