| /* 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__ */ |