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