| 0,0 → 1,116 |
|---|
| |
| #define PCI_CLASS_BRIDGE_HOST 0x06 |
| |
| #define INTEL_82443LX_0 (0x7180<<16)|0x8086 |
| #define INTEL_82443BX_0 (0x7190<<16)|0x8086 |
| #define INTEL_82443GX_0 (0x71a0<<16)|0x8086 |
| #define INTEL_82810_MC1 (0x7120<<16)|0x8086 |
| #define INTEL_82810_MC3 (0x7122<<16)|0x8086 |
| #define INTEL_82810E_MC (0x7124<<16)|0x8086 |
| #define INTEL_82815_MC (0x1130<<16)|0x8086 |
| #define INTEL_82820_HB (0x2500<<16)|0x8086 |
| #define INTEL_82820_UP_HB (0x2501<<16)|0x8086 |
| #define INTEL_82830_HB (0x3575<<16)|0x8086 |
| #define INTEL_82840_HB (0x1a21<<16)|0x8086 |
| #define INTEL_82845_HB (0x1a30<<16)|0x8086 |
| #define INTEL_82845G_HB (0x2560<<16)|0x8086 |
| #define INTEL_82850_HB (0x2530<<16)|0x8086 |
| #define INTEL_82855PM_HB (0x3340<<16)|0x8086 |
| #define INTEL_82855GM_HB (0x3580<<16)|0x8086 |
| #define INTEL_82860_HB (0x2531<<16)|0x8086 |
| #define INTEL_82865_HB (0x2570<<16)|0x8086 |
| #define INTEL_82875_HB (0x2578<<16)|0x8086 |
| #define INTEL_7505_0 (0x2550<<16)|0x8086 |
| #define INTEL_7205_0 (0x255d<<16)|0x8086 |
| #define INTEL_82915G_HB (0x2580<<16)|0x8086 |
| #define INTEL_82915GM_HB (0x2590<<16)|0x8086 |
| #define INTEL_82945G_HB (0x2770<<16)|0x8086 |
| #define INTEL_82945GM_HB (0x27A0<<16)|0x8086 |
| |
| |
| typedef struct |
| { |
| int id; |
| int driver; |
| }pci_device_t; |
| |
| |
| static pci_device_t agp_dev_table[] = { |
| |
| // { INTEL_82443LX_0, 0 }, |
| // { INTEL_82443BX_0, 0 }, |
| // { INTEL_82443GX_0, 0 }, |
| // { INTEL_82810_MC1, 0 }, |
| // { INTEL_82810_MC3, 0 }, |
| // { INTEL_82810E_MC, 0 }, |
| // { INTEL_82815_MC, 0 }, |
| // { INTEL_82820_HB, 0 }, |
| // { INTEL_82820_UP_HB,0 }, |
| // { INTEL_82830_HB, 0 }, |
| // { INTEL_82840_HB, 0 }, |
| // { INTEL_82845_HB, 0 }, |
| // { INTEL_82845G_HB, 0 }, |
| // { INTEL_82850_HB, 0 }, |
| // { INTEL_82855PM_HB, 0 }, |
| // { INTEL_82855GM_HB, 0 }, |
| // { INTEL_82860_HB, 0 }, |
| { INTEL_82865_HB, 0 }, |
| // { INTEL_82875_HB, 0 }, |
| // { INTEL_7505_0, 0 }, |
| // { INTEL_7205_0, 0 }, |
| // { INTEL_82915G_HB, 0 }, |
| // { INTEL_82915GM_HB, 0 }, |
| // { INTEL_82945G_HB, 0 }, |
| // { INTEL_82945GM_HB, 0 }, |
| { 0, 0 } |
| }; |
| |
| pci_device_t* agp_dev_match(u32_t dev, pci_device_t *list) |
| { |
| while(list->id) |
| { |
| if(dev == list->id) |
| return list; |
| list++; |
| } |
| return NULL; |
| } |
| |
| int FindPciDevice() |
| { |
| u32_t bus, last_bus; |
| PCITAG tag; |
| |
| if( (last_bus = PciApi(1))==-1) |
| return 0; |
| |
| for(bus=0;bus<=last_bus;bus++) |
| { |
| u32_t devfn; |
| |
| for(devfn=0;devfn<256;devfn++) |
| { |
| u32_t pciId; |
| u8_t devclass; |
| pci_device_t *dev; |
| |
| pciId = PciRead32(bus,devfn, 0); |
| devclass = PciRead8(bus,devfn, 0x0B); |
| |
| if( devclass != PCI_CLASS_BRIDGE_HOST) |
| continue; |
| |
| if( (dev = agp_dev_match(pciId, agp_dev_table))!=NULL) |
| { |
| dbgprintf("detect agp host %x\n",dev->id); |
| |
| PCITAG PciTag = pciTag(bus,(devfn>>3)&0x1F,devfn&0x7); |
| |
| return init_bridge(PciTag); |
| }; |
| }; |
| }; |
| return 0; |
| }; |
| |
| |