351 строка
15 KiB
C
351 строка
15 KiB
C
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/* 7/18/95 */
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/*----------------------------------------------------------------------------*/
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/* Residual Data header definitions and prototypes */
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/*----------------------------------------------------------------------------*/
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/* Structure map for RESIDUAL on PowerPC Reference Platform */
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/* residual.h - Residual data structure passed in r3. */
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/* Load point passed in r4 to boot image. */
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/* For enum's: if given in hex then they are bit significant, */
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/* i.e. only one bit is on for each enum */
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/* Reserved fields must be filled with zeros. */
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#ifdef __KERNEL__
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#ifndef _RESIDUAL_
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#define _RESIDUAL_
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#ifndef __ASSEMBLY__
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#define MAX_CPUS 32 /* These should be set to the maximum */
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#define MAX_MEMS 64 /* number possible for this system. */
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#define MAX_DEVICES 256 /* Changing these will change the */
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#define AVE_PNP_SIZE 32 /* structure, hence the version of */
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#define MAX_MEM_SEGS 64 /* this header file. */
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/*----------------------------------------------------------------------------*/
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/* Public structures... */
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/*----------------------------------------------------------------------------*/
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#include <asm/pnp.h>
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typedef enum _L1CACHE_TYPE {
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NoneCAC = 0,
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SplitCAC = 1,
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CombinedCAC = 2
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} L1CACHE_TYPE;
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typedef enum _TLB_TYPE {
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NoneTLB = 0,
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SplitTLB = 1,
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CombinedTLB = 2
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} TLB_TYPE;
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typedef enum _FIRMWARE_SUPPORT {
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Conventional = 0x01,
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OpenFirmware = 0x02,
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Diagnostics = 0x04,
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LowDebug = 0x08,
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Multiboot = 0x10,
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LowClient = 0x20,
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Hex41 = 0x40,
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FAT = 0x80,
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ISO9660 = 0x0100,
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SCSI_InitiatorID_Override = 0x0200,
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Tape_Boot = 0x0400,
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FW_Boot_Path = 0x0800
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} FIRMWARE_SUPPORT;
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typedef enum _FIRMWARE_SUPPLIERS {
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IBMFirmware = 0x00,
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MotoFirmware = 0x01, /* 7/18/95 */
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FirmWorks = 0x02, /* 10/5/95 */
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Bull = 0x03, /* 04/03/96 */
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} FIRMWARE_SUPPLIERS;
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typedef enum _ENDIAN_SWITCH_METHODS {
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UsePort92 = 0x01,
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UsePCIConfigA8 = 0x02,
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UseFF001030 = 0x03,
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} ENDIAN_SWITCH_METHODS;
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typedef enum _SPREAD_IO_METHODS {
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UsePort850 = 0x00,
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/*UsePCIConfigA8 = 0x02,*/
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} SPREAD_IO_METHODS;
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typedef struct _VPD {
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/* Box dependent stuff */
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unsigned char PrintableModel[32]; /* Null terminated string.
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Must be of the form:
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vvv,<20h>,<model designation>,<0x0>
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where vvv is the vendor ID
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e.g. IBM PPS MODEL 6015<0x0> */
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unsigned char Serial[16]; /* 12/94:
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Serial Number; must be of the form:
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vvv<serial number> where vvv is the
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vendor ID.
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e.g. IBM60151234567<20h><20h> */
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unsigned char Reserved[48];
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unsigned long FirmwareSupplier; /* See FirmwareSuppliers enum */
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unsigned long FirmwareSupports; /* See FirmwareSupport enum */
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unsigned long NvramSize; /* Size of nvram in bytes */
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unsigned long NumSIMMSlots;
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unsigned short EndianSwitchMethod; /* See EndianSwitchMethods enum */
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unsigned short SpreadIOMethod; /* See SpreadIOMethods enum */
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unsigned long SmpIar;
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unsigned long RAMErrLogOffset; /* Heap offset to error log */
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unsigned long Reserved5;
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unsigned long Reserved6;
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unsigned long ProcessorHz; /* Processor clock frequency in Hertz */
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unsigned long ProcessorBusHz; /* Processor bus clock frequency */
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unsigned long Reserved7;
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unsigned long TimeBaseDivisor; /* (Bus clocks per timebase tic)*1000 */
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unsigned long WordWidth; /* Word width in bits */
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unsigned long PageSize; /* Page size in bytes */
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unsigned long CoherenceBlockSize; /* Unit of transfer in/out of cache
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for which coherency is maintained;
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normally <= CacheLineSize. */
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unsigned long GranuleSize; /* Unit of lock allocation to avoid */
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/* false sharing of locks. */
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/* L1 Cache variables */
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unsigned long CacheSize; /* L1 Cache size in KB. This is the */
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/* total size of the L1, whether */
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/* combined or split */
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unsigned long CacheAttrib; /* L1CACHE_TYPE */
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unsigned long CacheAssoc; /* L1 Cache associativity. Use this
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for combined cache. If split, put
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zeros here. */
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unsigned long CacheLineSize; /* L1 Cache line size in bytes. Use
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for combined cache. If split, put
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zeros here. */
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/* For split L1 Cache: (= combined if combined cache) */
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unsigned long I_CacheSize;
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unsigned long I_CacheAssoc;
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unsigned long I_CacheLineSize;
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unsigned long D_CacheSize;
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unsigned long D_CacheAssoc;
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unsigned long D_CacheLineSize;
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/* Translation Lookaside Buffer variables */
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unsigned long TLBSize; /* Total number of TLBs on the system */
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unsigned long TLBAttrib; /* Combined I+D or split TLB */
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unsigned long TLBAssoc; /* TLB Associativity. Use this for
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combined TLB. If split, put zeros
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here. */
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/* For split TLB: (= combined if combined TLB) */
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unsigned long I_TLBSize;
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unsigned long I_TLBAssoc;
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unsigned long D_TLBSize;
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unsigned long D_TLBAssoc;
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unsigned long ExtendedVPD; /* Offset to extended VPD area;
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null if unused */
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} VPD;
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typedef enum _DEVICE_FLAGS {
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Enabled = 0x4000, /* 1 - PCI device is enabled */
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Integrated = 0x2000,
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Failed = 0x1000, /* 1 - device failed POST code tests */
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Static = 0x0800, /* 0 - dynamically configurable
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1 - static */
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Dock = 0x0400, /* 0 - not a docking station device
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1 - is a docking station device */
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Boot = 0x0200, /* 0 - device cannot be used for BOOT
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1 - can be a BOOT device */
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Configurable = 0x0100, /* 1 - device is configurable */
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Disableable = 0x80, /* 1 - device can be disabled */
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PowerManaged = 0x40, /* 0 - not managed; 1 - managed */
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ReadOnly = 0x20, /* 1 - device is read only */
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Removable = 0x10, /* 1 - device is removable */
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ConsoleIn = 0x08,
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ConsoleOut = 0x04,
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Input = 0x02,
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Output = 0x01
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} DEVICE_FLAGS;
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typedef enum _BUS_ID {
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ISADEVICE = 0x01,
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EISADEVICE = 0x02,
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PCIDEVICE = 0x04,
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PCMCIADEVICE = 0x08,
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PNPISADEVICE = 0x10,
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MCADEVICE = 0x20,
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MXDEVICE = 0x40, /* Devices on mezzanine bus */
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PROCESSORDEVICE = 0x80, /* Devices on processor bus */
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VMEDEVICE = 0x100,
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} BUS_ID;
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typedef struct _DEVICE_ID {
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unsigned long BusId; /* See BUS_ID enum above */
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unsigned long DevId; /* Big Endian format */
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unsigned long SerialNum; /* For multiple usage of a single
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DevId */
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unsigned long Flags; /* See DEVICE_FLAGS enum above */
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unsigned char BaseType; /* See pnp.h for bit definitions */
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unsigned char SubType; /* See pnp.h for bit definitions */
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unsigned char Interface; /* See pnp.h for bit definitions */
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unsigned char Spare;
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} DEVICE_ID;
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typedef union _BUS_ACCESS {
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struct _PnPAccess{
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unsigned char CSN;
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unsigned char LogicalDevNumber;
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unsigned short ReadDataPort;
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} PnPAccess;
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struct _ISAAccess{
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unsigned char SlotNumber; /* ISA Slot Number generally not
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available; 0 if unknown */
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unsigned char LogicalDevNumber;
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unsigned short ISAReserved;
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} ISAAccess;
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struct _MCAAccess{
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unsigned char SlotNumber;
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unsigned char LogicalDevNumber;
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unsigned short MCAReserved;
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} MCAAccess;
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struct _PCMCIAAccess{
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unsigned char SlotNumber;
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unsigned char LogicalDevNumber;
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unsigned short PCMCIAReserved;
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} PCMCIAAccess;
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struct _EISAAccess{
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unsigned char SlotNumber;
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unsigned char FunctionNumber;
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unsigned short EISAReserved;
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} EISAAccess;
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struct _PCIAccess{
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unsigned char BusNumber;
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unsigned char DevFuncNumber;
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unsigned short PCIReserved;
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} PCIAccess;
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struct _ProcBusAccess{
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unsigned char BusNumber;
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unsigned char BUID;
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unsigned short ProcBusReserved;
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} ProcBusAccess;
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} BUS_ACCESS;
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/* Per logical device information */
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typedef struct _PPC_DEVICE {
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DEVICE_ID DeviceId;
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BUS_ACCESS BusAccess;
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/* The following three are offsets into the DevicePnPHeap */
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/* All are in PnP compressed format */
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unsigned long AllocatedOffset; /* Allocated resource description */
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unsigned long PossibleOffset; /* Possible resource description */
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unsigned long CompatibleOffset; /* Compatible device identifiers */
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} PPC_DEVICE;
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typedef enum _CPU_STATE {
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CPU_GOOD = 0, /* CPU is present, and active */
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CPU_GOOD_FW = 1, /* CPU is present, and in firmware */
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CPU_OFF = 2, /* CPU is present, but inactive */
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CPU_FAILED = 3, /* CPU is present, but failed POST */
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CPU_NOT_PRESENT = 255 /* CPU not present */
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} CPU_STATE;
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typedef struct _PPC_CPU {
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unsigned long CpuType; /* Result of mfspr from Processor
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Version Register (PVR).
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PVR(0-15) = Version (e.g. 601)
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PVR(16-31 = EC Level */
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unsigned char CpuNumber; /* CPU Number for this processor */
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unsigned char CpuState; /* CPU State, see CPU_STATE enum */
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unsigned short Reserved;
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} PPC_CPU;
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typedef struct _PPC_MEM {
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unsigned long SIMMSize; /* 0 - absent or bad
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8M, 32M (in MB) */
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} PPC_MEM;
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typedef enum _MEM_USAGE {
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Other = 0x8000,
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ResumeBlock = 0x4000, /* for use by power management */
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SystemROM = 0x2000, /* Flash memory (populated) */
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UnPopSystemROM = 0x1000, /* Unpopulated part of SystemROM area */
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IOMemory = 0x0800,
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SystemIO = 0x0400,
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SystemRegs = 0x0200,
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PCIAddr = 0x0100,
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PCIConfig = 0x80,
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ISAAddr = 0x40,
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Unpopulated = 0x20, /* Unpopulated part of System Memory */
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Free = 0x10, /* Free part of System Memory */
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BootImage = 0x08, /* BootImage part of System Memory */
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FirmwareCode = 0x04, /* FirmwareCode part of System Memory */
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FirmwareHeap = 0x02, /* FirmwareHeap part of System Memory */
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FirmwareStack = 0x01 /* FirmwareStack part of System Memory*/
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} MEM_USAGE;
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typedef struct _MEM_MAP {
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unsigned long Usage; /* See MEM_USAGE above */
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unsigned long BasePage; /* Page number measured in 4KB pages */
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unsigned long PageCount; /* Page count measured in 4KB pages */
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} MEM_MAP;
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typedef struct _RESIDUAL {
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unsigned long ResidualLength; /* Length of Residual */
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unsigned char Version; /* of this data structure */
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unsigned char Revision; /* of this data structure */
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unsigned short EC; /* of this data structure */
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/* VPD */
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VPD VitalProductData;
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/* CPU */
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unsigned short MaxNumCpus; /* Max CPUs in this system */
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unsigned short ActualNumCpus; /* ActualNumCpus < MaxNumCpus means */
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/* that there are unpopulated or */
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/* otherwise unusable cpu locations */
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PPC_CPU Cpus[MAX_CPUS];
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/* Memory */
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unsigned long TotalMemory; /* Total amount of memory installed */
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unsigned long GoodMemory; /* Total amount of good memory */
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unsigned long ActualNumMemSegs;
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MEM_MAP Segs[MAX_MEM_SEGS];
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unsigned long ActualNumMemories;
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PPC_MEM Memories[MAX_MEMS];
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/* Devices */
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unsigned long ActualNumDevices;
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PPC_DEVICE Devices[MAX_DEVICES];
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unsigned char DevicePnPHeap[2*MAX_DEVICES*AVE_PNP_SIZE];
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} RESIDUAL;
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/*
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* Forward declaration - we can't include <linux/pci.h> because it
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* breaks the boot loader
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*/
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struct pci_dev;
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extern RESIDUAL *res;
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extern void print_residual_device_info(void);
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extern PPC_DEVICE *residual_find_device(unsigned long BusMask,
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unsigned char * DevID, int BaseType,
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int SubType, int Interface, int n);
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extern int residual_pcidev_irq(struct pci_dev *dev);
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extern void residual_irq_mask(char *irq_edge_mask_lo, char *irq_edge_mask_hi);
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extern unsigned int residual_isapic_addr(void);
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extern PnP_TAG_PACKET *PnP_find_packet(unsigned char *p, unsigned packet_tag,
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int n);
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extern PnP_TAG_PACKET *PnP_find_small_vendor_packet(unsigned char *p,
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unsigned packet_type,
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int n);
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extern PnP_TAG_PACKET *PnP_find_large_vendor_packet(unsigned char *p,
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unsigned packet_type,
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int n);
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#ifdef CONFIG_PREP_RESIDUAL
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#define have_residual_data (res && res->ResidualLength)
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#else
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#define have_residual_data 0
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* ndef _RESIDUAL_ */
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#endif /* __KERNEL__ */
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