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+/* 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__ */