diff options
Diffstat (limited to 'os/boot/pc/io.h')
| -rw-r--r-- | os/boot/pc/io.h | 122 |
1 files changed, 119 insertions, 3 deletions
diff --git a/os/boot/pc/io.h b/os/boot/pc/io.h index 67219ddd..6e7564f4 100644 --- a/os/boot/pc/io.h +++ b/os/boot/pc/io.h @@ -85,6 +85,54 @@ enum { /* type 0 and type 1 pre-defined header */ PciINTP = 0x3D, /* interrupt pin */ }; +/* ccrb (base class code) values; controller types */ +enum { + Pcibcpci1 = 0, /* pci 1.0; no class codes defined */ + Pcibcstore = 1, /* mass storage */ + Pcibcnet = 2, /* network */ + Pcibcdisp = 3, /* display */ + Pcibcmmedia = 4, /* multimedia */ + Pcibcmem = 5, /* memory */ + Pcibcbridge = 6, /* bridge */ + Pcibccomm = 7, /* simple comms (e.g., serial) */ + Pcibcbasesys = 8, /* base system */ + Pcibcinput = 9, /* input */ + Pcibcdock = 0xa, /* docking stations */ + Pcibcproc = 0xb, /* processors */ + Pcibcserial = 0xc, /* serial bus (e.g., USB) */ + Pcibcwireless = 0xd, /* wireless */ + Pcibcintell = 0xe, /* intelligent i/o */ + Pcibcsatcom = 0xf, /* satellite comms */ + Pcibccrypto = 0x10, /* encryption/decryption */ + Pcibcdacq = 0x11, /* data acquisition & signal proc. */ +}; + +/* ccru (sub-class code) values; common cases only */ +enum { + /* mass storage */ + Pciscscsi = 0, /* SCSI */ + Pciscide = 1, /* IDE (ATA) */ + + /* network */ + Pciscether = 0, /* Ethernet */ + + /* display */ + Pciscvga = 0, /* VGA */ + Pciscxga = 1, /* XGA */ + Pcisc3d = 2, /* 3D */ + + /* bridges */ + Pcischostpci = 0, /* host/pci */ + Pciscpcicpci = 1, /* pci/pci */ + + /* simple comms */ + Pciscserial = 0, /* 16450, etc. */ + Pciscmultiser = 1, /* multiport serial */ + + /* serial bus */ + Pciscusb = 3, /* USB */ +}; + enum { /* type 0 pre-defined header */ PciBAR2 = 0x18, PciBAR3 = 0x1C, @@ -133,7 +181,7 @@ enum { /* type 2 pre-defined header */ PciCBILR0 = 0x30, /* I/O limit */ PciCBIBR1 = 0x34, /* I/O base */ PciCBILR1 = 0x38, /* I/O limit */ - PciCBBCTL = 0x3E, /* Bridhe control */ + PciCBBCTL = 0x3E, /* Bridge control */ PciCBSVID = 0x40, /* subsystem vendor ID */ PciCBSID = 0x42, /* subsystem ID */ PciCBLMBAR = 0x44, /* legacy mode base address */ @@ -153,10 +201,14 @@ typedef struct Pcidev { ushort vid; /* vendor ID */ ushort did; /* device ID */ + ushort pcr; + uchar rid; uchar ccrp; uchar ccru; uchar ccrb; + uchar cls; + uchar ltr; struct { ulong bar; /* base address */ @@ -170,14 +222,15 @@ typedef struct Pcidev { uchar intl; /* interrupt line */ Pcidev* list; - Pcidev* bridge; /* down a bus */ Pcidev* link; /* next device on this bno */ + + Pcidev* bridge; /* down a bus */ struct { ulong bar; int size; } ioa, mema; - ulong pcr; + int pmrb; /* power management register block */ }; #define PCIWINDOW 0 @@ -188,6 +241,9 @@ typedef struct Pcidev { /* * PCMCIA support code. */ +typedef struct PCMslot PCMslot; +typedef struct PCMconftab PCMconftab; + /* * Map between ISA memory space and PCMCIA card memory space. */ @@ -199,3 +255,63 @@ struct PCMmap { int attr; /* attribute memory */ int ref; }; + +/* configuration table entry */ +struct PCMconftab +{ + int index; + ushort irqs; /* legal irqs */ + uchar irqtype; + uchar bit16; /* true for 16 bit access */ + struct { + ulong start; + ulong len; + } io[16]; + int nio; + uchar vpp1; + uchar vpp2; + uchar memwait; + ulong maxwait; + ulong readywait; + ulong otherwait; +}; + +/* a card slot */ +struct PCMslot +{ + Lock; + int ref; + + void *cp; /* controller for this slot */ + long memlen; /* memory length */ + uchar base; /* index register base */ + uchar slotno; /* slot number */ + + /* status */ + uchar special; /* in use for a special device */ + uchar already; /* already inited */ + uchar occupied; + uchar battery; + uchar wrprot; + uchar powered; + uchar configed; + uchar enabled; + uchar busy; + + /* cis info */ + ulong msec; /* time of last slotinfo call */ + char verstr[512]; /* version string */ + int ncfg; /* number of configurations */ + struct { + ushort cpresent; /* config registers present */ + ulong caddr; /* relative address of config registers */ + } cfg[8]; + int nctab; /* number of config table entries */ + PCMconftab ctab[8]; + PCMconftab *def; /* default conftab */ + + /* memory maps */ + Lock mlock; /* lock down the maps */ + int time; + PCMmap mmap[4]; /* maps, last is always for the kernel */ +}; |