| /* |
| * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| * Andreas Heppel <aheppel@sysgo.de> |
| * |
| * (C) Copyright 2002 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * 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 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * aloong with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef _PCI_H |
| #define _PCI_H |
| |
| /* |
| * Under PCI, each device has 256 bytes of configuration address space, |
| * of which the first 64 bytes are standardized as follows: |
| */ |
| #define PCI_VENDOR_ID 0x00 /* 16 bits */ |
| #define PCI_DEVICE_ID 0x02 /* 16 bits */ |
| #define PCI_COMMAND 0x04 /* 16 bits */ |
| #define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ |
| #define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ |
| #define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ |
| #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_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_CLASS_REVISION 0x08 /* High 24 bits are class, low 8 |
| revision */ |
| #define PCI_REVISION_ID 0x08 /* Revision ID */ |
| #define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */ |
| #define PCI_CLASS_DEVICE 0x0a /* Device class */ |
| #define PCI_CLASS_CODE 0x0b /* Device class code */ |
| #define PCI_CLASS_SUB_CODE 0x0a /* Device sub-class code */ |
| |
| #define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ |
| #define PCI_LATENCY_TIMER 0x0d /* 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 |
| |
| #define PCI_BIST 0x0f /* 8 bits */ |
| #define PCI_BIST_CODE_MASK 0x0f /* Return result */ |
| #define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */ |
| #define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */ |
| |
| /* |
| * Base addresses specify locations in memory or I/O space. |
| * Decoded size can be determined by writing a value of |
| * 0xffffffff to the register, and reading it back. Only |
| * 1 bits are decoded. |
| */ |
| #define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */ |
| #define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */ |
| #define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */ |
| #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_PREFETCH 0x08 /* prefetchable? */ |
| #define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL) |
| #define PCI_BASE_ADDRESS_IO_MASK (~0x03UL) |
| /* bit 1 is reserved if address_space = 1 */ |
| |
| /* Header type 0 (normal devices) */ |
| #define PCI_CARDBUS_CIS 0x28 |
| #define PCI_SUBSYSTEM_VENDOR_ID 0x2c |
| #define PCI_SUBSYSTEM_ID 0x2e |
| #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */ |
| #define PCI_ROM_ADDRESS_ENABLE 0x01 |
| #define PCI_ROM_ADDRESS_MASK (~0x7ffUL) |
| |
| #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ |
| |
| /* 0x35-0x3b are reserved */ |
| #define PCI_INTERRUPT_LINE 0x3c /* 8 bits */ |
| #define PCI_INTERRUPT_PIN 0x3d /* 8 bits */ |
| #define PCI_MIN_GNT 0x3e /* 8 bits */ |
| #define PCI_MAX_LAT 0x3f /* 8 bits */ |
| |
| /* 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 */ |
| |
| /* From 440ep */ |
| #define PCI_ERREN 0x48 /* Error Enable */ |
| #define PCI_ERRSTS 0x49 /* Error Status */ |
| #define PCI_BRDGOPT1 0x4A /* PCI Bridge Options 1 */ |
| #define PCI_PLBSESR0 0x4C /* PCI PLB Slave Error Syndrome 0 */ |
| #define PCI_PLBSESR1 0x50 /* PCI PLB Slave Error Syndrome 1 */ |
| #define PCI_PLBSEAR 0x54 /* PCI PLB Slave Error Address */ |
| #define PCI_CAPID 0x58 /* Capability Identifier */ |
| #define PCI_NEXTITEMPTR 0x59 /* Next Item Pointer */ |
| #define PCI_PMC 0x5A /* Power Management Capabilities */ |
| #define PCI_PMCSR 0x5C /* Power Management Control Status */ |
| #define PCI_PMCSRBSE 0x5E /* PMCSR PCI to PCI Bridge Support Extensions */ |
| #define PCI_BRDGOPT2 0x60 /* PCI Bridge Options 2 */ |
| #define PCI_PMSCRR 0x64 /* Power Management State Change Request Re. */ |
| |
| /* Header type 2 (CardBus bridges) */ |
| #define PCI_CB_CAPABILITY_LIST 0x14 |
| /* 0x15 reserved */ |
| #define PCI_CB_SEC_STATUS 0x16 /* Secondary status */ |
| #define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */ |
| #define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */ |
| #define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */ |
| #define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */ |
| #define PCI_CB_MEMORY_BASE_0 0x1c |
| #define PCI_CB_MEMORY_LIMIT_0 0x20 |
| #define PCI_CB_MEMORY_BASE_1 0x24 |
| #define PCI_CB_MEMORY_LIMIT_1 0x28 |
| #define PCI_CB_IO_BASE_0 0x2c |
| #define PCI_CB_IO_BASE_0_HI 0x2e |
| #define PCI_CB_IO_LIMIT_0 0x30 |
| #define PCI_CB_IO_LIMIT_0_HI 0x32 |
| #define PCI_CB_IO_BASE_1 0x34 |
| #define PCI_CB_IO_BASE_1_HI 0x36 |
| #define PCI_CB_IO_LIMIT_1 0x38 |
| #define PCI_CB_IO_LIMIT_1_HI 0x3a |
| #define PCI_CB_IO_RANGE_MASK ~0x03 |
| /* 0x3c-0x3d are same as for htype 0 */ |
| #define PCI_CB_BRIDGE_CONTROL 0x3e |
| #define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */ |
| #define PCI_CB_BRIDGE_CTL_SERR 0x02 |
| #define PCI_CB_BRIDGE_CTL_ISA 0x04 |
| #define PCI_CB_BRIDGE_CTL_VGA 0x08 |
| #define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20 |
| #define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */ |
| #define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */ |
| #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */ |
| #define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200 |
| #define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400 |
| #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40 |
| #define PCI_CB_SUBSYSTEM_ID 0x42 |
| #define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */ |
| /* 0x48-0x7f reserved */ |
| |
| /* 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_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_CAP_VER_MASK 0x0007 /* Version */ |
| #define PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */ |
| #define PCI_PM_CAP_AUX_POWER 0x0010 /* Auxilliary power support */ |
| #define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization */ |
| #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_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 4x rate */ |
| #define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 4x rate */ |
| #define PCI_AGP_SIZEOF 12 |
| |
| /* PCI-X registers */ |
| |
| #define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */ |
| #define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */ |
| #define PCI_X_CMD_MAX_READ 0x0000 /* Max Memory Read Byte Count */ |
| #define PCI_X_CMD_MAX_SPLIT 0x0030 /* Max Outstanding Split Transactions */ |
| #define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */ |
| |
| |
| /* 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 */ |
| |
| #define PCI_MAX_PCI_DEVICES 32 |
| #define PCI_MAX_PCI_FUNCTIONS 8 |
| |
| /* Include the ID list */ |
| |
| #include <pci_ids.h> |
| |
| struct pci_region { |
| unsigned long bus_start; /* Start on the bus */ |
| unsigned long phys_start; /* Start in physical address space */ |
| unsigned long size; /* Size */ |
| unsigned long flags; /* Resource flags */ |
| |
| unsigned long bus_lower; |
| }; |
| |
| #define PCI_REGION_MEM 0x00000000 /* PCI memory space */ |
| #define PCI_REGION_IO 0x00000001 /* PCI IO space */ |
| #define PCI_REGION_TYPE 0x00000001 |
| #define PCI_REGION_PREFETCH 0x00000008 /* prefetchable PCI memory */ |
| |
| #define PCI_REGION_MEMORY 0x00000100 /* System memory */ |
| #define PCI_REGION_RO 0x00000200 /* Read-only memory */ |
| |
| extern __inline__ void pci_set_region(struct pci_region *reg, |
| unsigned long bus_start, |
| unsigned long phys_start, |
| unsigned long size, |
| unsigned long flags) { |
| reg->bus_start = bus_start; |
| reg->phys_start = phys_start; |
| reg->size = size; |
| reg->flags = flags; |
| } |
| |
| typedef int pci_dev_t; |
| |
| #define PCI_BUS(d) (((d) >> 16) & 0xff) |
| #define PCI_DEV(d) (((d) >> 11) & 0x1f) |
| #define PCI_FUNC(d) (((d) >> 8) & 0x7) |
| #define PCI_BDF(b,d,f) ((b) << 16 | (d) << 11 | (f) << 8) |
| |
| #define PCI_ANY_ID (~0) |
| |
| struct pci_device_id { |
| unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ |
| }; |
| |
| struct pci_controller; |
| |
| struct pci_config_table { |
| unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ |
| unsigned int class; /* Class ID, or PCI_ANY_ID */ |
| unsigned int bus; /* Bus number, or PCI_ANY_ID */ |
| unsigned int dev; /* Device number, or PCI_ANY_ID */ |
| unsigned int func; /* Function number, or PCI_ANY_ID */ |
| |
| void (*config_device)(struct pci_controller* hose, pci_dev_t dev, |
| struct pci_config_table *); |
| unsigned long priv[3]; |
| }; |
| |
| extern void pci_cfgfunc_do_nothing(struct pci_controller* hose, pci_dev_t dev, |
| struct pci_config_table *); |
| extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev, |
| struct pci_config_table *); |
| |
| #define MAX_PCI_REGIONS 7 |
| |
| /* |
| * Structure of a PCI controller (host bridge) |
| */ |
| struct pci_controller { |
| struct pci_controller *next; |
| |
| int first_busno; |
| int last_busno; |
| |
| volatile unsigned int *cfg_addr; |
| volatile unsigned char *cfg_data; |
| |
| struct pci_region regions[MAX_PCI_REGIONS]; |
| int region_count; |
| |
| struct pci_config_table *config_table; |
| |
| void (*fixup_irq)(struct pci_controller *, pci_dev_t); |
| |
| /* Low-level architecture-dependent routines */ |
| int (*read_byte)(struct pci_controller*, pci_dev_t, int where, u8 *); |
| int (*read_word)(struct pci_controller*, pci_dev_t, int where, u16 *); |
| int (*read_dword)(struct pci_controller*, pci_dev_t, int where, u32 *); |
| int (*write_byte)(struct pci_controller*, pci_dev_t, int where, u8); |
| int (*write_word)(struct pci_controller*, pci_dev_t, int where, u16); |
| int (*write_dword)(struct pci_controller*, pci_dev_t, int where, u32); |
| |
| /* Used by auto config */ |
| struct pci_region *pci_mem, *pci_io, *pci_prefetch; |
| |
| /* Used by ppc405 autoconfig*/ |
| struct pci_region *pci_fb; |
| int current_busno; |
| }; |
| |
| extern __inline__ void pci_set_ops(struct pci_controller *hose, |
| int (*read_byte)(struct pci_controller*, |
| pci_dev_t, int where, u8 *), |
| int (*read_word)(struct pci_controller*, |
| pci_dev_t, int where, u16 *), |
| int (*read_dword)(struct pci_controller*, |
| pci_dev_t, int where, u32 *), |
| int (*write_byte)(struct pci_controller*, |
| pci_dev_t, int where, u8), |
| int (*write_word)(struct pci_controller*, |
| pci_dev_t, int where, u16), |
| int (*write_dword)(struct pci_controller*, |
| pci_dev_t, int where, u32)) { |
| hose->read_byte = read_byte; |
| hose->read_word = read_word; |
| hose->read_dword = read_dword; |
| hose->write_byte = write_byte; |
| hose->write_word = write_word; |
| hose->write_dword = write_dword; |
| } |
| |
| extern void pci_setup_indirect(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data); |
| |
| extern unsigned long pci_hose_bus_to_phys(struct pci_controller* hose, |
| unsigned long addr, unsigned long flags); |
| extern unsigned long pci_hose_phys_to_bus(struct pci_controller* hose, |
| unsigned long addr, unsigned long flags); |
| |
| #define pci_phys_to_bus(dev, addr, flags) \ |
| pci_hose_phys_to_bus(pci_bus_to_hose(PCI_BUS(dev)), (addr), (flags)) |
| #define pci_bus_to_phys(dev, addr, flags) \ |
| pci_hose_bus_to_phys(pci_bus_to_hose(PCI_BUS(dev)), (addr), (flags)) |
| |
| #define pci_phys_to_mem(dev, addr) pci_phys_to_bus((dev), (addr), PCI_REGION_MEM) |
| #define pci_mem_to_phys(dev, addr) pci_bus_to_phys((dev), (addr), PCI_REGION_MEM) |
| #define pci_phys_to_io(dev, addr) pci_phys_to_bus((dev), (addr), PCI_REGION_IO) |
| #define pci_io_to_phys(dev, addr) pci_bus_to_phys((dev), (addr), PCI_REGION_IO) |
| |
| extern int pci_hose_read_config_byte(struct pci_controller *hose, |
| pci_dev_t dev, int where, u8 *val); |
| extern int pci_hose_read_config_word(struct pci_controller *hose, |
| pci_dev_t dev, int where, u16 *val); |
| extern int pci_hose_read_config_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u32 *val); |
| extern int pci_hose_write_config_byte(struct pci_controller *hose, |
| pci_dev_t dev, int where, u8 val); |
| extern int pci_hose_write_config_word(struct pci_controller *hose, |
| pci_dev_t dev, int where, u16 val); |
| extern int pci_hose_write_config_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u32 val); |
| |
| extern int pci_read_config_byte(pci_dev_t dev, int where, u8 *val); |
| extern int pci_read_config_word(pci_dev_t dev, int where, u16 *val); |
| extern int pci_read_config_dword(pci_dev_t dev, int where, u32 *val); |
| extern int pci_write_config_byte(pci_dev_t dev, int where, u8 val); |
| extern int pci_write_config_word(pci_dev_t dev, int where, u16 val); |
| extern int pci_write_config_dword(pci_dev_t dev, int where, u32 val); |
| |
| extern int pci_hose_read_config_byte_via_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u8 *val); |
| extern int pci_hose_read_config_word_via_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u16 *val); |
| extern int pci_hose_write_config_byte_via_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u8 val); |
| extern int pci_hose_write_config_word_via_dword(struct pci_controller *hose, |
| pci_dev_t dev, int where, u16 val); |
| |
| extern void pci_register_hose(struct pci_controller* hose); |
| extern struct pci_controller* pci_bus_to_hose(int bus); |
| |
| extern int pci_hose_scan(struct pci_controller *hose); |
| extern int pci_hose_scan_bus(struct pci_controller *hose, int bus); |
| |
| extern void pciauto_region_init(struct pci_region* res); |
| extern void pciauto_region_align(struct pci_region *res, unsigned long size); |
| extern int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned int *bar); |
| extern void pciauto_setup_device(struct pci_controller *hose, |
| pci_dev_t dev, int bars_num, |
| struct pci_region *mem, |
| struct pci_region *prefetch, |
| struct pci_region *io); |
| int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev); |
| |
| extern pci_dev_t pci_find_device (unsigned int vendor, unsigned int device, int index); |
| extern pci_dev_t pci_find_devices (struct pci_device_id *ids, int index); |
| extern pci_dev_t pci_find_class(int wanted_class, int wanted_sub_code, |
| int wanted_prog_if, int index); |
| |
| extern int pci_hose_config_device(struct pci_controller *hose, |
| pci_dev_t dev, |
| unsigned long io, |
| unsigned long mem, |
| unsigned long command); |
| |
| #ifdef CONFIG_MPC824X |
| extern void pci_mpc824x_init (struct pci_controller *hose); |
| #endif |
| |
| #ifdef CONFIG_MPC85xx |
| extern void pci_mpc85xx_init (struct pci_controller *hose); |
| #endif |
| #endif /* _PCI_H */ |
