CHNOSProject/chnos/tolset_chn_000/chnos_010/chnos/pci.c

   1 \r
   2 #include "core.h"\r
   3 \r
   4 #define PORT_PCI_CONFIG_ADDRESS 0x0cf8  //32bit R/W\r
   5 #define PORT_PCI_CONFIG_DATA_BASE       0x0cfc  //4ports anysize R/W\r
   6 \r
   7 typedef union PCI_CONFIG_ADDRESS_REGISTER {\r
   8         uint reg;\r
   9         struct PCI_CONFIG_ADDRESS_REGISTER_BIT {\r
  10                 unsigned reserved0 : 2; //0\r
  11                 unsigned register_num : 6;\r
  12                 unsigned function_num : 3;\r
  13                 unsigned device_num : 5;\r
  14                 unsigned bus_num : 8;\r
  15                 unsigned reserved1 : 7; //0\r
  16                 unsigned enable : 1;    //PCI_CDRn\82É\83A\83N\83Z\83X\82·\82é\82Æ\82«\82É1\82É\82·\82é\81B\r
  17         } bit;\r
  18 } PCI_ConfigurationAddressRegister;\r
  19 \r
  20 //\91S\83f\83o\83C\83X\8b¤\92Ê\82Ì\83R\83\93\83t\83B\83M\83\85\83\8c\81[\83V\83\87\83\93\83\8c\83W\83X\83^:\r
  21 //0x00:00-15:\83x\83\93\83_ID(ReadOnly)\r
  22 //0x00:16-31:\83f\83o\83C\83XID(ReadOnly)\r
  23 //0x04:00-15:\83R\83}\83\93\83h\83\8c\83W\83X\83^(R/W)\r
  24 //      00:I/O\8bó\8aÔ\83C\83l\81[\83u\83\8b\r
  25 //      01:\83\81\83\82\83\8a\8bó\8aÔ\83C\83l\81[\83u\83\8b\r
  26 //      02:\83o\83X\83}\83X\83^\81[\r
  27 //      03:\83X\83y\83V\83\83\83\8b\83T\83C\83N\83\8b\r
  28 //      04:\83\81\83\82\83\8a\83\89\83C\83g\81E\83C\83\93\83o\83\8a\83f\81[\83g\83C\83l\81[\83u\83\8b\r
  29 //      05:VGA\83p\83\8c\83b\83g\83X\83k\81[\83v\r
  30 //      06:\83p\83\8a\83e\83B\83G\83\89\81[\89\9e\93\9a(0\82Å\95ñ\8d\90\82È\82µ)\r
  31 //      07:\83E\83F\83C\83g\83T\83C\83N\83\8b\90§\8cä\r
  32 //      08:SERR#\83C\83l\81[\83u\83\8b\r
  33 //      09:\8d\82\91¬\83o\83b\83N\83c\81[\83o\83b\83N\83C\83l\81[\83u\83\8b\r
  34 //      10-15:\83\8a\83U\81[\83u\r
  35 //0x04:16-31:\83X\83e\81[\83^\83X\83\8c\83W\83X\83^(R/W Write\8e\9eTrue\82Ì\83r\83b\83g\82ª\83N\83\8a\83A\82³\82ê\82é)\r
  36 //      16-20:\83\8a\83U\81[\83u\r
  37 //      21:66MHz\91Î\89\9e\89Â\94\\r
  38 //      22:\83\86\81[\83U\81[\92è\8b`\8b@\94\\82 \82è\r
  39 //      23:\8d\82\91¬\83o\83b\83N\83c\81[\83o\83b\83N\89Â\94\\r
  40 //      24:\83f\81[\83^\83p\83\8a\83e\83B\83G\83\89\81[\8c\9f\92m(\83o\83X\83}\83X\83^\81[\8e\9e\82Ì\83G\83\89\81[)\r
  41 //      25-26:DEVSEL#\83^\83C\83~\83\93\83O(0:\8d\82\91¬ 1:\92\86\91¬ 2:\92á\91¬ 3:\97\\96ñ)\r
  42 //      27:\83^\81[\83Q\83b\83g\83A\83{\81[\83g\92Ê\92m\r
  43 //      28:\83^\81[\83Q\83b\83g\83A\83{\81[\83g\8eó\90M\r
  44 //      29:\83}\83X\83^\81[\83A\83{\81[\83g\8eó\90M\r
  45 //      30:\83V\83X\83e\83\80\83G\83\89\81[\92Ê\92m\r
  46 //      31:\83p\83\8a\83e\83B\83G\83\89\81[\8c\9f\92m\r
  47 //0x08:00-07:\83\8a\83r\83W\83\87\83\93ID(ReadOnly)\r
  48 //0x08:08-31:\83N\83\89\83X\83R\81[\83h(ReadOnly)\r
  49 //      08-15:\83v\83\8d\83O\83\89\83\80\83C\83\93\83^\81[\83t\83F\81[\83X\r
  50 //      16-23:\83T\83u\83N\83\89\83X\r
  51 //      24-31:\83x\81[\83X\83N\83\89\83X\r
  52 //0x0c:00-07:\83L\83\83\83b\83V\83\85\83\89\83C\83\93\83T\83C\83Y\r
  53 //0x0c:08-15:\83}\83X\83^\83\8c\83C\83e\83\93\83V\83^\83C\83}\r
  54 //0x0c:16-23:\83w\83b\83_\83^\83C\83v(ReadOnly)\r
  55 //      16-22:\83f\83o\83C\83X\83^\83C\83v(0:\92Ê\8fí\82ÌPCI\83f\83o\83C\83X 1:PCI-PCI\83u\83\8a\83b\83W 2:CardBus\83u\83\8a\83b\83W)\r
  56 //      23:\83}\83\8b\83`\83t\83@\83\93\83N\83V\83\87\83\93\83f\83o\83C\83X\r
  57 //0x0c:24-31:BIST\83\8c\83W\83X\83^\r
  58 \r
  59 typedef struct PCI_DEVICE_VENDOR {\r
  60         uint id;\r
  61         uchar *name;\r
  62 } PCI_Device_VendorID;\r
  63 \r
  64 typedef struct PCI_DEVICE_CLASS {\r
  65         uint id;\r
  66         uchar *name;\r
  67 } PCI_Device_Class;\r
  68 \r
  69 typedef struct PCI_DEVICE_TYPE {\r
  70         uint id;\r
  71         uchar *name;\r
  72 } PCI_Device_Type;\r
  73 \r
  74 PCI_Device_VendorID pci_device_vendor[] = {\r
  75         {0x10ec, "Realtek Semiconductor Corp."},\r
  76         {0x8086, "Intel"},\r
  77         {0xffff, "[Unknown]"},\r
  78 //      {0x, ""},\r
  79 };\r
  80 \r
  81 PCI_Device_Class pci_device_class[] = {\r
  82         {0x010100, "Ultra ATA storage controller"},\r
  83         {0x010180, "bus master IDE controller (UDMA33?)"},\r
  84         {0x020000, "ethernet adapter ?"},\r
  85         {0x030000, "VGA compatible controller"},\r
  86         {0x040100, "audio device"},\r
  87         {0x060000, "CPU to PCI bridge"},\r
  88         {0x060100, "PCI to ISA bridge"},\r
  89         {0x068000, "power management controller"},\r
  90         {0xff0000, "[Unknown]"},\r
  91 };\r
  92 \r
  93 PCI_Device_Type pci_device_type[] = {\r
  94         {0, "Standard PCI Device"},\r
  95         {1, "PCI-PCI Bridge"},\r
  96         {2, "CardBus Bridge"},\r
  97         {3, "[Undefined]"},\r
  98 };\r
  99 \r
 100 void Initialize_PCI(void)\r
 101 {\r
 102         #ifdef CHNOSPROJECT_DEBUG_PCI\r
 103                 uint data, bus, device, function;\r
 104         #endif\r
 105 \r
 106 //PCICAR\8f\89\8aú\89»\r
 107         IO_Out32(PORT_PCI_CONFIG_ADDRESS, 0x00000000);\r
 108 \r
 109         #ifdef CHNOSPROJECT_DEBUG_PCI\r
 110                 for(bus = 0; bus < 256; bus++){\r
 111                         for(device = 0; device < 32; device++){\r
 112                                 for(function = 0; function < 8; function++){\r
 113                                         PCI_ConfigurationRegister_SelectDevice(bus, device, function);\r
 114                                         data = PCI_ConfigurationRegister_Read32(0x00);\r
 115                                         if(data != 0xffffffff){\r
 116                                                 debug("PCI:Bus%d.Device%d.Function%d:\n", bus, device, function);\r
 117                                                 debug("PCI:    DeviceVendor:%s(0x%04X)\n", PCI_GetDeviceVendor(data & 0xffff), data & 0xffff);\r
 118 \r
 119                                                 debug("PCI:    DeviceID:0x%04X\n", data >> 16);\r
 120 \r
 121                                                 data = PCI_ConfigurationRegister_Read32(0x08);\r
 122                                                 data = CFunction_ExtractBits(data, 8, 31);\r
 123                                                 debug("PCI:    ClassCode:%s(0x%06X)\n", PCI_GetDeviceClass(data), data);\r
 124 \r
 125                                                 data = PCI_ConfigurationRegister_Read32(0x0c);\r
 126                                                 data = CFunction_ExtractBits(data, 16, 22);\r
 127                                                 debug("PCI:    DeviceType:%s(%d)\n", PCI_GetDeviceType(data), data);\r
 128                                         }\r
 129                                 }\r
 130                         }\r
 131                 }\r
 132         #endif\r
 133 \r
 134         return;\r
 135 }\r
 136 \r
 137 void PCI_ConfigurationRegister_SelectDevice(uint bus, uint device, uint function)\r
 138 {\r
 139         PCI_ConfigurationAddressRegister pcicar;\r
 140         pcicar.reg = IO_In32(PORT_PCI_CONFIG_ADDRESS);\r
 141         pcicar.bit.bus_num = bus;\r
 142         pcicar.bit.device_num = device;\r
 143         pcicar.bit.function_num = function;\r
 144         IO_Out32(PORT_PCI_CONFIG_ADDRESS, pcicar.reg);\r
 145 \r
 146         return;\r
 147 }\r
 148 \r
 149 uint PCI_ConfigurationRegister_Read32(uint addr)\r
 150 {\r
 151         PCI_ConfigurationAddressRegister pcicar;\r
 152         uint data;\r
 153 \r
 154         pcicar.reg = IO_In32(PORT_PCI_CONFIG_ADDRESS);\r
 155         pcicar.bit.register_num = addr >> 2;\r
 156         pcicar.bit.enable = True;\r
 157         IO_Out32(PORT_PCI_CONFIG_ADDRESS, pcicar.reg);\r
 158         data = IO_In32(PORT_PCI_CONFIG_DATA_BASE + (addr & 0x03));\r
 159         pcicar.bit.enable = False;\r
 160         IO_Out32(PORT_PCI_CONFIG_ADDRESS, pcicar.reg);\r
 161 \r
 162         return data;\r
 163 }\r
 164 \r
 165 uchar *PCI_GetDeviceVendor(uint id)\r
 166 {\r
 167         uint i;\r
 168 \r
 169         for(i = 0; pci_device_vendor[i].id != 0xffff; i++){\r
 170                 if(pci_device_vendor[i].id == id){\r
 171                         break;\r
 172                 }\r
 173         }\r
 174 \r
 175         return pci_device_vendor[i].name;\r
 176 }\r
 177 \r
 178 uchar *PCI_GetDeviceClass(uint id)\r
 179 {\r
 180         uint i;\r
 181 \r
 182         for(i = 0; pci_device_class[i].id != 0xff0000; i++){\r
 183                 if(pci_device_class[i].id == id){\r
 184                         break;\r
 185                 }\r
 186         }\r
 187 \r
 188         return pci_device_class[i].name;\r
 189 }\r
 190 \r
 191 uchar *PCI_GetDeviceType(uint id)\r
 192 {\r
 193         uint i;\r
 194 \r
 195         for(i = 0; pci_device_type[i].id != 3; i++){\r
 196                 if(pci_device_type[i].id == id){\r
 197                         break;\r
 198                 }\r
 199         }\r
 200 \r
 201         return pci_device_type[i].name;\r
 202 }\r