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Diffstat (limited to 'gpxe/src/include/gpxe/pci.h')
| -rw-r--r-- | gpxe/src/include/gpxe/pci.h | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/gpxe/src/include/gpxe/pci.h b/gpxe/src/include/gpxe/pci.h deleted file mode 100644 index 8bcf1e0c..00000000 --- a/gpxe/src/include/gpxe/pci.h +++ /dev/null @@ -1,402 +0,0 @@ -#ifndef _GPXE_PCI_H -#define _GPXE_PCI_H - -/* - * Support for NE2000 PCI clones added David Monro June 1997 - * Generalised for other PCI NICs by Ken Yap July 1997 - * PCI support rewritten by Michael Brown 2006 - * - * Most of this is taken from /usr/src/linux/include/linux/pci.h. - */ - -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2, or (at - * your option) any later version. - */ - -FILE_LICENCE ( GPL2_ONLY ); - -#include <stdint.h> -#include <gpxe/device.h> -#include <gpxe/tables.h> -#include <gpxe/pci_io.h> -#include "pci_ids.h" - -/* - * PCI constants - * - */ - -#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ -#define PCI_COMMAND_MEM 0x2 /* Enable response in mem space */ -#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ - -#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ -#define PCI_LATENCY_TIMER 0x0d /* 8 bits */ - -#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ -#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ -#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ -#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */ -#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */ -#define PCI_COMMAND_SERR 0x100 /* Enable SERR */ -#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */ -#define PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */ - - -#define PCI_VENDOR_ID 0x00 /* 16 bits */ -#define PCI_DEVICE_ID 0x02 /* 16 bits */ -#define PCI_COMMAND 0x04 /* 16 bits */ - -#define PCI_STATUS 0x06 /* 16 bits */ -#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ -#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */ -#define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */ -#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */ -#define PCI_STATUS_PARITY 0x100 /* Detected parity error */ -#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */ -#define PCI_STATUS_DEVSEL_FAST 0x000 -#define PCI_STATUS_DEVSEL_MEDIUM 0x200 -#define PCI_STATUS_DEVSEL_SLOW 0x400 -#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */ -#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */ -#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */ -#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */ -#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */ - -#define PCI_REVISION 0x08 /* 8 bits */ -#define PCI_REVISION_ID 0x08 /* 8 bits */ -#define PCI_CLASS_REVISION 0x08 /* 32 bits */ -#define PCI_CLASS_CODE 0x0b /* 8 bits */ -#define PCI_SUBCLASS_CODE 0x0a /* 8 bits */ -#define PCI_HEADER_TYPE 0x0e /* 8 bits */ -#define PCI_HEADER_TYPE_NORMAL 0 -#define PCI_HEADER_TYPE_BRIDGE 1 -#define PCI_HEADER_TYPE_CARDBUS 2 - - -/* Header type 0 (normal devices) */ -#define PCI_CARDBUS_CIS 0x28 -#define PCI_SUBSYSTEM_VENDOR_ID 0x2c -#define PCI_SUBSYSTEM_ID 0x2e - -#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */ -#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits */ -#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits */ -#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */ -#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */ -#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */ - -#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */ -#define PCI_BASE_ADDRESS_SPACE_IO 0x01 -#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00 - -#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06 -#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */ -#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */ -#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */ -#define PCI_BASE_ADDRESS_MEM_MASK (~0x0f) -#define PCI_BASE_ADDRESS_IO_MASK (~0x03) -#define PCI_ROM_ADDRESS 0x30 /* 32 bits */ -#define PCI_ROM_ADDRESS_ENABLE 0x01 /* Write 1 to enable ROM, - bits 31..11 are address, - 10..2 are reserved */ - -#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ - -#define PCI_INTERRUPT_LINE 0x3c /* IRQ number (0-15) */ -#define PCI_INTERRUPT_PIN 0x3d /* IRQ pin on PCI bus (A-D) */ - -/* Header type 1 (PCI-to-PCI bridges) */ -#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */ -#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */ -#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */ -#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */ -#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */ -#define PCI_IO_LIMIT 0x1d -#define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */ -#define PCI_IO_RANGE_TYPE_16 0x00 -#define PCI_IO_RANGE_TYPE_32 0x01 -#define PCI_IO_RANGE_MASK ~0x0f -#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */ -#define PCI_MEMORY_BASE 0x20 /* Memory range behind */ -#define PCI_MEMORY_LIMIT 0x22 -#define PCI_MEMORY_RANGE_TYPE_MASK 0x0f -#define PCI_MEMORY_RANGE_MASK ~0x0f -#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */ -#define PCI_PREF_MEMORY_LIMIT 0x26 -#define PCI_PREF_RANGE_TYPE_MASK 0x0f -#define PCI_PREF_RANGE_TYPE_32 0x00 -#define PCI_PREF_RANGE_TYPE_64 0x01 -#define PCI_PREF_RANGE_MASK ~0x0f -#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */ -#define PCI_PREF_LIMIT_UPPER32 0x2c -#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */ -#define PCI_IO_LIMIT_UPPER16 0x32 -/* 0x34 same as for htype 0 */ -/* 0x35-0x3b is reserved */ -#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */ -/* 0x3c-0x3d are same as for htype 0 */ -#define PCI_BRIDGE_CONTROL 0x3e -#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */ -#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */ -#define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */ -#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */ -#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */ -#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */ -#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */ - -#define PCI_CB_CAPABILITY_LIST 0x14 - -/* Capability lists */ - -#define PCI_CAP_LIST_ID 0 /* Capability ID */ -#define PCI_CAP_ID_PM 0x01 /* Power Management */ -#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */ -#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */ -#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */ -#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */ -#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */ -#define PCI_CAP_ID_EXP 0x10 /* PCI Express */ -#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ -#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */ -#define PCI_CAP_SIZEOF 4 - -/* Power Management Registers */ - -#define PCI_PM_PMC 2 /* PM Capabilities Register */ -#define PCI_PM_CAP_VER_MASK 0x0007 /* Version */ -#define PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */ -#define PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */ -#define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization */ -#define PCI_PM_CAP_AUX_POWER 0x01C0 /* Auxilliary power support mask */ -#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */ -#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */ -#define PCI_PM_CAP_PME 0x0800 /* PME pin supported */ -#define PCI_PM_CAP_PME_MASK 0xF800 /* PME Mask of all supported states */ -#define PCI_PM_CAP_PME_D0 0x0800 /* PME# from D0 */ -#define PCI_PM_CAP_PME_D1 0x1000 /* PME# from D1 */ -#define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */ -#define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */ -#define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */ -#define PCI_PM_CTRL 4 /* PM control and status register */ -#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */ -#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */ -#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */ -#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */ -#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */ -#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions (??) */ -#define PCI_PM_PPB_B2_B3 0x40 /* Stop clock when in D3hot (??) */ -#define PCI_PM_BPCC_ENABLE 0x80 /* Bus power/clock control enable (??) */ -#define PCI_PM_DATA_REGISTER 7 /* (??) */ -#define PCI_PM_SIZEOF 8 - -/* AGP registers */ - -#define PCI_AGP_VERSION 2 /* BCD version number */ -#define PCI_AGP_RFU 3 /* Rest of capability flags */ -#define PCI_AGP_STATUS 4 /* Status register */ -#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */ -#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */ -#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */ -#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */ -#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported */ -#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */ -#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */ -#define PCI_AGP_COMMAND 8 /* Control register */ -#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */ -#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */ -#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */ -#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses */ -#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */ -#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */ -#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate */ -#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate */ -#define PCI_AGP_SIZEOF 12 - -/* Slot Identification */ - -#define PCI_SID_ESR 2 /* Expansion Slot Register */ -#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */ -#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */ -#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */ - -/* Message Signalled Interrupts registers */ - -#define PCI_MSI_FLAGS 2 /* Various flags */ -#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */ -#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */ -#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */ -#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */ -#define PCI_MSI_RFU 3 /* Rest of capability flags */ -#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ -#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ -#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */ -#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ - -/* Advanced Error Reporting */ - -#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */ -#define PCI_ERR_UNC_TRAIN 0x00000001 /* Training */ -#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */ -#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */ -#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */ -#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */ -#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */ -#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */ -#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */ -#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */ -#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */ -#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */ -#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */ - /* Same bits as above */ -#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */ - /* Same bits as above */ -#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */ -#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */ -#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */ -#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */ -#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */ -#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */ -#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */ - /* Same bits as above */ - -/** A PCI device ID list entry */ -struct pci_device_id { - /** Name */ - const char *name; - /** PCI vendor ID */ - uint16_t vendor; - /** PCI device ID */ - uint16_t device; - /** Arbitrary driver data */ - unsigned long driver_data; -}; - -/** Match-anything ID */ -#define PCI_ANY_ID 0xffff - -/** A PCI device */ -struct pci_device { - /** Generic device */ - struct device dev; - /** Memory base - * - * This is the physical address of the first valid memory BAR. - */ - unsigned long membase; - /** - * I/O address - * - * This is the physical address of the first valid I/O BAR. - */ - unsigned long ioaddr; - /** Vendor ID */ - uint16_t vendor; - /** Device ID */ - uint16_t device; - /** Device class */ - uint32_t class; - /** Interrupt number */ - uint8_t irq; - /** Bus number */ - uint8_t bus; - /** Device and function number */ - uint8_t devfn; - /** Driver for this device */ - struct pci_driver *driver; - /** Driver-private data - * - * Use pci_set_drvdata() and pci_get_drvdata() to access this - * field. - */ - void *priv; - /** Driver name */ - const char *driver_name; -}; - -/** A PCI driver */ -struct pci_driver { - /** PCI ID table */ - struct pci_device_id *ids; - /** Number of entries in PCI ID table */ - unsigned int id_count; - /** - * Probe device - * - * @v pci PCI device - * @v id Matching entry in ID table - * @ret rc Return status code - */ - int ( * probe ) ( struct pci_device *pci, - const struct pci_device_id *id ); - /** - * Remove device - * - * @v pci PCI device - */ - void ( * remove ) ( struct pci_device *pci ); -}; - -/** PCI driver table */ -#define PCI_DRIVERS __table ( struct pci_driver, "pci_drivers" ) - -/** Declare a PCI driver */ -#define __pci_driver __table_entry ( PCI_DRIVERS, 01 ) - -#define PCI_DEVFN( slot, func ) ( ( (slot) << 3 ) | (func) ) -#define PCI_SLOT( devfn ) ( ( (devfn) >> 3 ) & 0x1f ) -#define PCI_FUNC( devfn ) ( (devfn) & 0x07 ) -#define PCI_BUS( busdevfn ) ( (busdevfn) >> 8 ) -#define PCI_BUSDEVFN( bus, devfn ) ( ( (bus) << 8 ) | (devfn) ) - -#define PCI_BASE_CLASS( class ) ( (class) >> 16 ) -#define PCI_SUB_CLASS( class ) ( ( (class) >> 8 ) & 0xff ) -#define PCI_PROG_INTF( class ) ( (class) & 0xff ) - -/* - * PCI_ROM is used to build up entries in a struct pci_id array. It - * is also parsed by parserom.pl to generate Makefile rules and files - * for rom-o-matic. - * - * PCI_ID can be used to generate entries without creating a - * corresponding ROM in the build process. - */ -#define PCI_ID( _vendor, _device, _name, _description, _data ) { \ - .vendor = _vendor, \ - .device = _device, \ - .name = _name, \ - .driver_data = _data \ -} -#define PCI_ROM( _vendor, _device, _name, _description, _data ) \ - PCI_ID( _vendor, _device, _name, _description, _data ) - -extern void adjust_pci_device ( struct pci_device *pci ); -extern unsigned long pci_bar_start ( struct pci_device *pci, - unsigned int reg ); -extern int pci_find_capability ( struct pci_device *pci, int capability ); -extern unsigned long pci_bar_size ( struct pci_device *pci, unsigned int reg ); - -/** - * Set PCI driver-private data - * - * @v pci PCI device - * @v priv Private data - */ -static inline void pci_set_drvdata ( struct pci_device *pci, void *priv ) { - pci->priv = priv; -} - -/** - * Get PCI driver-private data - * - * @v pci PCI device - * @ret priv Private data - */ -static inline void * pci_get_drvdata ( struct pci_device *pci ) { - return pci->priv; -} - -#endif /* _GPXE_PCI_H */ |