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IDT Register List

PES16NT2 User Manual

xiii

April 15, 2008

Notes

PCIE_BARTLIMIT2 - BAR 2 Translated Limit Address (0x220)..........................................................10-103
PCIE_BARTLIMIT3 - BAR 3 Translated Limit Address (0x224)..........................................................10-103
PCIE_BIST - Built-on Self Test (0x00F) ................................................................................................10-63
PCIE_CAPPTR - Capabilities Pointer (0x034) ......................................................................................10-67
PCIE_CCODE - Class Code (0x009) ....................................................................................................10-62
PCIE_CLS - Cache Line Size (0x00C)..................................................................................................10-62
PCIE_DID - Device Identification (0x002) .............................................................................................10-59
PCIE_ECFGADDR - Extended Configuration Space Access Address (0x0F8)....................................10-97
PCIE_ECFGDATA - Extended Configuration Space Access Data (0x0FC) .........................................10-97
PCIE_HDR - Header Type (0x00E).......................................................................................................10-62
PCIE_INDBELL - Inbound Doorbell (0x0E0).........................................................................................10-90
PCIE_INMSG[0|1|2|3] - Inbound Message [0|1|2|3] (0x0B8-0C4) ........................................................10-89
PCIE_INTCTL0 - Interrupt Control 0 (0x0EC) .......................................................................................10-92
PCIE_INTCTL1 - Interrupt Control 1 (0x210) ........................................................................................10-98
PCIE_INTRLINE - Interrupt Line (0x03C) .............................................................................................10-67
PCIE_INTRPIN - Interrupt PIN (0x03D) ................................................................................................10-67
PCIE_INTSTS - Interrupt Status (0x0E8)..............................................................................................10-90
PCIE_MAXLAT - Maximum Latency (0x03F)........................................................................................10-68
PCIE_MINGNT - Minimum Grant (0x03E) ............................................................................................10-67
PCIE_MLTIMER - Master Latency Timer (0x00D) ................................................................................10-62
PCIE_MSIADDR - Message Signaled Interrupt Address (0x068).........................................................10-73
PCIE_MSICAP - Message Signaled Interrupt Capability and Control (0x064) .....................................10-72
PCIE_MSIMDATA - Message Signaled Interrupt Message Data (0x070) ............................................10-73
PCIE_MSIUADDR - Message Signaled Interrupt Upper Address (0x06C)...........................................10-73
PCIE_MTADDR - Mapping Table Address (0x0AC) .............................................................................10-87
PCIE_MTDATA - Mapping Table DATA (0x0B0) ..................................................................................10-88
PCIE_NTBCFG - Non-Transparent Bridge Configuration (0x200)........................................................10-98
PCIE_NTBCFGC - Non-Transparent Bridge Configuration Capability (0x074) ....................................10-73
PCIE_NTBCOMC - Non-Transparent Bridge Communications Capability (0x0B4)..............................10-89
PCIE_NTBCTL - Non-Transparent Bridge Control (0x078) ..................................................................10-74
PCIE_NTBEPID - Non-Transparent Bridge Endpoint Identification (0x07A).........................................10-76
PCIE_NTBSTS - Non-Transparent Bridge Status (0x079)....................................................................10-75
PCIE_OUTDBELL - Outbound Doorbell (0x0E4) ..................................................................................10-90
PCIE_OUTMSG[0|1|2|3] - Outbound Message [0|1|2|3] (0x0C8-0D4) .................................................10-89
PCIE_PCICMD - PCI Command (0x004)..............................................................................................10-59
PCIE_PCIECAP - PCI Express Capability (0x040) ...............................................................................10-68
PCIE_PCIEDCAP - PCI Express Device Capabilities (0x044)..............................................................10-68
PCIE_PCIEDCTL - PCI Express Device Control (0x048) .....................................................................10-69
PCIE_PCIEDSTS - PCI Express Device Status (0x04A) ......................................................................10-70
PCIE_PCIEECAP - PCI Express Extended Capability (0x100) ............................................................10-97
PCIE_PCIELCAP - PCI Express Link Capabilities (0x04C) ..................................................................10-71
PCIE_PCIELCTL - PCI Express Link Control (0x050) ..........................................................................10-71
PCIE_PCIELSTS - PCI Express Link Status (0x052) ...........................................................................10-72
PCIE_PCISTS - PCI Status (0x006) .....................................................................................................10-61
PCIE_PMCAP - PCI Power Management Capabilities (0x0F0)............................................................10-95
PCIE_PMCSR - PCI Power Management Control and Status (0x0F4) ................................................10-96
PCIE_PTCCFG - Punch Through Configuration Control (0x0A0).........................................................10-85
PCIE_PTCDATA - Punch Through Configuration Data (0x0A4)...........................................................10-86
PCIE_PTCSTS - Punch Through Configuration Status (0x0A8)...........................................................10-87
PCIE_RID - Revision Identification (0x008) ..........................................................................................10-62
PCIE_SCRATCHPAD[0..1] - Scratchpad [0..1] (0x0D8-ODC)..............................................................10-90
PCIE_SUBID - Subsystem ID Pointer (0x02E) .....................................................................................10-67
PCIE_SUBVID - Subsystem Vendor ID Pointer (0x02C) ......................................................................10-67
PCIE_TLPPCTL - TLP Processing Control (0x214)............................................................................10-102
PCIE_VID - Vendor Identification (0x000).............................................................................................10-59

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Содержание 89HPES16NT2

Страница 1: ...6024 Silver Creek Valley Road San Jose California 95138 Telephone 800 345 7015 408 284 8200 FAX 408 284 2775 Printed in U S A 2008 Integrated Device Technology Inc IDT 89HPES16NT2 PCI Express Switch...

Страница 2: ...PLES CONTAINED IN ANY IDT PUBLICATION OR PUBLIC DISCLOSURE OR THAT IS CONTAINED ON ANY IDT INTERNET SITE IN NO EVENT WILL IDT BE LIABLE FOR ANY DIRECT CONSEQUENTIAL INCIDENTAL INDIRECT PUNITIVE OR SPE...

Страница 3: ...he power management capability structure located in the configuration space of each PCI PCI bridge in the PES16NT2 Chapter 6 SMBus Interfaces describes the operation of the 2 SMBus interfaces on the P...

Страница 4: ...hexadecimal format is as follows 0xDD where D represents the hexadecimal digit s otherwise it is decimal The compressed notation ABC x y z D refers to ABCxD ABCyD and ABCzD The compressed notation AB...

Страница 5: ...h this attribute Reading the value will automatically cause the register bits to be reset to zero Writes cause the register bits to be modified Reserved Reserved The value read from a reserved registe...

Страница 6: ...rite Clear RW1C Software can read and write to registers bits with this attribute However writing a value of zero to a bit with this attribute has no effect A RW1C bit can only be set to a value of 1...

Страница 7: ...s 1 3 System Identification 1 4 Vendor ID 1 4 Device ID 1 4 Revision ID 1 5 JTAG ID 1 5 Logic Diagram 1 6 Pin Description 1 7 Pin Characteristics 1 10 Clocking Reset and Initialization Introduction 2...

Страница 8: ...Static Upstream Port Failover 7 3 Dynamic Upstream Port Failover 7 3 General Purpose I O Introduction 8 1 GPIO Registers 8 1 GPIO Configuration 8 2 GPIO Pin Configured as an Input 8 2 GPIO Pin Config...

Страница 9: ...ility Structure 10 38 Switch Control and Status Registers 10 41 Extended Configuration Space Access and INTx Status Registers 10 47 PCI Express Virtual Channel Capability 10 48 Physical Layer Control...

Страница 10: ...146 JTAG Boundary Scan Introduction 11 1 Test Access Point 11 1 Signal Definitions 11 1 Boundary Scan Chain 11 3 Test Data Register DR 11 3 Boundary Scan Registers 11 4 Instruction Register IR 11 5 E...

Страница 11: ...tion Errors 6 8 Table 6 7 Slave SMBus Address When a Static Address is Selected 6 9 Table 6 8 Slave SMBus Command Code Fields 6 10 Table 6 9 CSR Register Read or Write Operation Byte Sequence 6 11 Tab...

Страница 12: ...IDT List of Tables PES16NT2 User Manual vi April 15 2008 Notes Table 11 3 Instructions Supported by PES16NT2 s JTAG Boundary Scan 11 6 Table 11 4 System Controller Device Identification Register 11 7...

Страница 13: ...erial EEPROM Read or Write CMD Field Format 6 12 Figure 6 8 CSR Register Read Using SMBus Block Write Read Transactions with PEC Disabled 6 13 Figure 6 9 Serial EEPROM Read Using SMBus Block Write Rea...

Страница 14: ...DT List of Figures PES16NT2 User Manual viii April 15 2008 Notes...

Страница 15: ...18 9 13 PA_PCICMD PCI Command 0x004 9 9 PA_PCIECAP PCI Express Capability 0x040 9 19 PA_PCIEDCAP PCI Express Device Capabilities 0x044 9 19 PA_PCIEDCTL PCI Express Device Control 0x048 9 20 PA_PCIEDST...

Страница 16: ...atus 0x0A8 10 43 PC_HDR Header Type 0x00E 10 24 PC_INTRLINE Interrupt Line 0x03C 10 30 PC_INTRPIN Interrupt PIN 0x03D 10 30 PC_INTSTS Interrupt Status 0x0F4 10 47 PC_IOBASE I O Base 0x01C 10 26 PC_IOB...

Страница 17: ...up 0x07C 10 125 PCEE_BARSETUP1 BAR 1 Setup 0x084 10 127 PCEE_BARSETUP2 BAR 2 Setup 0x08C 10 129 PCEE_BARSETUP3 BAR 3 Setup 0x094 10 131 PCEE_BARSETUP4 BAR 4 Setup 0x09C 10 133 PCEE_BARTBASE0 BAR 0 Tra...

Страница 18: ...Capability 0x100 10 145 PCEE_PCIELCAP PCI Express Link Capabilities 0x04C 10 119 PCEE_PCIELCTL PCI Express Link Control 0x050 10 119 PCEE_PCIELSTS PCI Express Link Status 0x052 10 120 PCEE_PCISTS PCI...

Страница 19: ...on Transparent Bridge Configuration 0x200 10 98 PCIE_NTBCFGC Non Transparent Bridge Configuration Capability 0x074 10 73 PCIE_NTBCOMC Non Transparent Bridge Communications Capability 0x0B4 10 89 PCIE_...

Страница 20: ...IDT Register List PES16NT2 User Manual xiv April 15 2008 Notes...

Страница 21: ...e board layout with a minimum number of board layers With support for non transparent bridging the PES16NT2 is part of the IDT PCIe System Interconnect Products that target multi host and intelligent...

Страница 22: ...and port C as the non transparent downstream port Port C resides on the internal PCI Bus at Device 1 Function 0 Type 1 Configuration Header PCI PCI Transparent Bridge Internal Type 0 Configuration Hea...

Страница 23: ...s Supports locked transactions allowing use with legacy software Ability to load device configuration from serial EEPROM Ability to control device via SMBus Non Transparent Port Crosslink support on N...

Страница 24: ...e specification Revision 1 1 PCI PM Unused SerDes are disabled Testability and Debug Features Built in SerDes Pseudo Random Bit Stream PRBS generator Ability to read and write any internal register vi...

Страница 25: ...d is easily modified during a metal mask change The revision ID shall be incremented with each all layer or metal mask change JTAG ID The JTAG ID is Version Same value as Revision ID See the Revision...

Страница 26: ...Bus Interface CCLKUS RSTHALT System Functions JTAG_TDI JTAG_TDO JTAG_TMS JTAG_TRST_N JTAG VSS SWMODE 3 0 4 2 2 PEATP 0 PEATN 0 PEARP 0 PEARN 0 PEARP 1 PEARN 1 PEARP 7 PEARN 7 PCI Express Switch SerDes...

Страница 27: ...ifferential PCI Express receive pairs for port C PECTP 7 0 PECTN 7 0 O PCI Express Port C Serial Data Transmit Differential PCI Express trans mit pairs for port C PEREFCLKP 1 0 PEREFCLKN 1 0 I PCI Exp...

Страница 28: ...ed as a general purpose I O pin Alternate function pin name FAILOVERP Alternate function pin type Input Alternate function NTB upstream port failover GPIO 6 I O General Purpose I O This pin can be con...

Страница 29: ...ata into or out of the boundary scan logic or JTAG Controller JTAG_TCK is independent of the system clock with a nominal 50 duty cycle JTAG_TDI I JTAG Data Input This is the serial data input to the b...

Страница 30: ...ess Termination Power VSS I Ground Function Pin Name Type Buffer I O Type Internal Resistor Notes PCI Express Interface PEALREV I LVTTL Input pull down PEARN 7 0 I CML Serial link PEARP 7 0 I PEATN 7...

Страница 31: ...up MSMBSMODE I pull down PENTBRSTN I PERSTN I RSTHALT I pull down SWMODE 3 0 I pull up JTAG JTAG_TCK I LVTTL STI pull up JTAG_TDI I pull up JTAG_TDO O Low Drive JTAG_TMS I STI pull up JTAG_TRST_N I pu...

Страница 32: ...IDT PES16NT2 Device Overview PES16NT2 User Manual 1 12 April 15 2008 Notes...

Страница 33: ...e clock differential inputs feeds six on chip PLLs Each PLL generates a 2 5 GHz clock which is used by four SerDes lanes and produces a 250 MHz core clock The 250 MHz core clock output from one of the...

Страница 34: ...stream must disable Spread Spectrum Clock Figure 2 3 Common Clock on Upstream Non Common Clock on Downstream must disable Spread Spectrum Clock PES16NT2 Port A Port C CCLKDS CCLKUS REFCLK0 REFCLK1 EP...

Страница 35: ...t configuration signals in Table 2 2 sampled during the most recent cold reset may be determined by reading the PA_SWSTS register Signal May Be Overridden Description CCLKDS Y Common Clock Downstream...

Страница 36: ...e RSTHALT bit in the PA_SWCTL register SWMODE 3 0 N Switch Mode These configuration pins determine the PES16NT2 switch operating mode 0x0 Transparent mode 0x1 Transparent mode with serial EEPROM initi...

Страница 37: ...re and remains in a reset state with the Master and Slave SMBuses active This allows software to read and write registers internal to the device before normal device opera tion begins The device exits...

Страница 38: ...selected N in NTB mode N N NTB Internal Endpoint All Registers Y N N N N N NTB Internal Endpoint All Registers Except Those of Type Sticky or RWL Y Y2 Y2 Y2 only if port C reset N N NTB External Endpo...

Страница 39: ...of a device The reset sequence above guarantees that normal operation will begin within this period as long as the serial EEPROM initialization process completes within 200 ms Under normal circumstanc...

Страница 40: ...a hot reset received on a down stream port do not result in a hot reset of the downstream port or any function inside the switch When a globally initiated hot reset occurs all of the logic associated...

Страница 41: ...ernal side and external sides of the non transparent bridge Associated with each side of the non transparent bridge are control and status registers NTBCTL and NTBSTS that aid in the handling of hot a...

Страница 42: ...lt to GPIO inputs Therefore the downstream port resets are tri stated A system designer should use a pull down on these signals if they are used as reset outputs Internal Side Hot Reset An internal si...

Страница 43: ...tion speci fied by the Reset Action RA field in that register is performed This can result in the internal or external side of the non transparent bridge becoming not ready and may be used by the syst...

Страница 44: ...IDT Clocking Reset and Initialization Clock Operation PES16NT2 User Manual 2 12 April 15 2008 Notes...

Страница 45: ...this field allows the maximum link width of the port to be configured The new link width takes effect the next time link training occurs To force a link width to x4 despite a link partner s ability to...

Страница 46: ...RP 5 PExRP 6 PExRP 7 PES16NT2 lane 0 lane 1 lane 2 lane 3 c x4 Port with PExLREV negated PExRP 0 PExRP 1 PExRP 2 PExRP 3 PExRP 4 PExRP 5 PExRP 6 PExRP 7 PES16NT2 lane 3 lane 2 lane 1 lane 0 d x4 Port...

Страница 47: ...2 lane 3 lane 2 lane 1 lane 0 b x4 Port with PExLREV asserted PExRP 0 PExRP 1 PExRP 2 PExRP 3 PExRP 4 PExRP 5 PExRP 6 PExRP 7 PES16NT2 lane 0 lane 1 c x2 Port with PExLREV negated PExRP 0 PExRP 1 PExR...

Страница 48: ...ion will be retired When a link comes up flow control credits for the configured size of the IFB FIFOs are advertised Slot Power Limit Support The Set_Slot_Power_Limit message is used to convey a slot...

Страница 49: ...en the LTSSM is in the L0 L0s L1 or recovery states When the data link layer is down this output is negated An interrupt may be generated by the external or internal NTB endpoints when a change occurs...

Страница 50: ...IDT Link Operation PES16NT2 User Manual 3 6 April 15 2008 Notes...

Страница 51: ...e switch core is responsible for maintaining flow control information Figure 4 1 PES16NT2 Switch Data Flow and Buffering TLPs are received by a port stack and passed to the switch core Associated with...

Страница 52: ...is a timestamp An egress scheduler always selects the TLP in the input buffer that contains the oldest timestamp If that TLP is destined for a different egress port then the egress scheduler makes no...

Страница 53: ...des routing using in specification defined transactions as well as those that may be used in vendor defined messages and in future revisions of the PCIe specifications Specifically the PES16NT2 suppor...

Страница 54: ...s computed on the received TLP data If an LCRC error is detected at this point the link level retransmission protocol is used to recover from the error by forcing a retransmission by the link partner...

Страница 55: ...a TLP is discarded from a posted input buffer the Posted TLP Time out Count PTLPTOC field is incremented in the Switch System Integrity Time Out Drop Count SWSITDCNT register in the port on which the...

Страница 56: ...o limited buffering of Unsup ported Request UR completions it is possible for the PES16NT2 to discard UR completions if errors are generated faster than UR completions can be transmitted Even when UR...

Страница 57: ...equests Reception of a TLP destined to a disabled downstream port link down or MAE IOAE bit cleared in PA_PCICMD register TLPs destined to a disabled downstream port should be treated as unsupported r...

Страница 58: ...t s VGA Enable VGAEN bit is set in its Bridge Control BCTRL register Reception of a TLP destined to a disabled downstream port link down or MAE IOAE bit cleared in PCICMD register or the upstream port...

Страница 59: ...entire device When the root port enters a low power state and the PME_TO_Ack messages are received then the entire device is placed into a low power state The PES16NT2 supports the following device po...

Страница 60: ..._Off Message There is no TLP or DLLP communications over a link in this state L3 Link is completely unpowered and off Link states are shown in Figure 5 2 From State To State Description Any D0 Uniniti...

Страница 61: ...s Entry Timer L0SET field in the PCI Power Management Proprietary Control PMPC register controls the amount of time L0s entry conditions must be met before the hardware transitions the link to the L0s...

Страница 62: ...IDT Power Management PES16NT2 User Manual 5 4 April 15 2008 Notes...

Страница 63: ...onfiguration Examples In the unified configuration shown in Figure 6 1 a the master and slave SMBuses are tied together and the PES16NT2 acts both as an SMBus master as well as an SMBus slave on this...

Страница 64: ...ring a master SMBus transaction The setting of this bit may indicate the following that the addressed device does not exist on the SMBus i e addressing error data is unavailable or the device is busy...

Страница 65: ...the checksum always passes 19 18 SSMBMODE RW 0x0 Slave SMBus Mode The slave SMBus contains internal glitch counters on the SSMBCLK and SSMBDAT signals that wait approximately 1 S before sampling or dr...

Страница 66: ...DDR 4 1 signals as shown in Table 6 3 Device Initialization from a Serial EEPROM During initialization from the optional serial EEPROM the master SMBus interface reads configuration blocks from the se...

Страница 67: ...iguration block types that may be stored in the serial EEPROM The first type is a single double word initialization sequence A double word initialization sequence occupies six byes in the serial EEPRO...

Страница 68: ...system address to be initialized The next field is the TYPE field that indicates the type of the configuration block For sequen tial double word initialization sequences this value is always 0x1 The...

Страница 69: ...ed over the configuration bytes stored in the serial EEPROM including the entire contents of the configuration done sequence with the checksum field initialized to zero 1 The 1 s complement of this su...

Страница 70: ...d results SMBus errors may occur when accessing the serial EEPROM If an error occurs it is reported in the port A SMBus Status PA_SMBUSSTS register Software should check for errors before and after ea...

Страница 71: ...ailed description of these transactions Byte and Word Write Read Block Write Read Initiation of any SMBus transaction other than those listed above to the slave SMBus interface produces undefined resu...

Страница 72: ...icator Setting both START and END signifies a single transaction sequence 0 Current transaction is not the last read or write sequence 1 Current transaction is the last read or write sequence 1 START...

Страница 73: ...leword CSR system address of register to access 4 ADDRU Address Upper Upper 6 bits of the doubleword CSR system address of register to access Bits 6 and 7 in the byte must be zero and are ignored by t...

Страница 74: ...E Command Code Slave Command Code field described in Table 6 8 1 BYTCNT Byte Count The byte count field is only transmitted for block type SMBus transactions SMBus word and byte accesses do not contai...

Страница 75: ...NAERR bit in the PA_SMBUSSTS register The setting of this bit may indicate the following that the addressed device does not exist on the SMBus i e addressing error data is unavailable or the device is...

Страница 76: ...Slave SMBus Address Rd ADDRU A BYTCNT 5 A EEADDR CMD status A A A N DATA ADDRU A P ADDRL A S PES16NT2 Slave SMBus Address Wr A N CCODE START END P PES16NT2 not ready with data S PES16NT2 Slave SMBus...

Страница 77: ...RT Word S PES16NT2 Slave SMBus Address Rd DATALM DATALL A N P P S PES16NT2 Slave SMBus Address Wr A A ADDRU A CCODE END Byte P A S PES16NT2 Slave SMBus Address Wr A CCODE Byte A P A S PES16NT2 Slave S...

Страница 78: ...IDT SMBus Interfaces PES16NT2 User Manual 6 16 April 15 2008 Notes...

Страница 79: ...m port failover architecture is shown in Figure 7 2 The two main compo nents of this device are switch logic and a SerDes switch The PES16NT2 switch logic implements a two port non transparent switch...

Страница 80: ...it results in a complete loss of system state Dynamic NTB upstream port failover allows the operating mode of the PES16NT2 to be modified from normal to failover or failover to normal while the syste...

Страница 81: ...owing steps Assert the PCIe fundamental reset signal PERSTN Modify the switch mode SWMODE signals to the selected failover mode i e normal mode or failover mode Negate the PCIe fundamental reset signa...

Страница 82: ...itions from a one to a zero When non zero the COUNT field in the USPFTIMER is decremented once per microsecond 1 S This provides a maximum watchdog timer interval of over one hour Decrementing of the...

Страница 83: ...IDT NTB Upstream Port Failover PES16NT2 User Manual 7 5 April 15 2008 Notes...

Страница 84: ...IDT NTB Upstream Port Failover PES16NT2 User Manual 7 6 April 15 2008 Notes...

Страница 85: ...e alternate function as defined in Table 8 2 When a bit is cleared to a zero the correspond ing GPIO pin operates as a general purpose I O pin 15 8 GPIOCFG RW 0x0 GPIO Configuration Each bit in this f...

Страница 86: ...n this field corresponds to the value of the pin irre spective of whether the pin is configured as a GPIO input GPIO output or alternate function GPIO Pin Configured as an Output When configured as an...

Страница 87: ...ed with each port is a 4 KB configuration space and a Type 1 configuration header The organi zation of these configuration spaces is described in section section Port Configuration Space Organization...

Страница 88: ...This section describes error detection performed by an ingress or egress stack when the switch is configured to operate in transparent mode Table 9 1 lists error checks performed by the physical layer...

Страница 89: ...d by AckNak_Seq does not correspond to an unacknowledged TLP or to the value in ACKD_SEQ 3 5 2 1 Uncorrectable error processing 1 A bad DLLP is a DLP with a bad LCRC Error Condition PCIe Base 1 0a Spe...

Страница 90: ...ENGTH 1 doubleword TC 0 ATTR 0 The actual packet length is correct 5 doublewords when CRC is present 4 doublewords otherwise Memory read request 32 and 64 bit address mode The packet length is correct...

Страница 91: ...ses to any particular entity always complete in order Port Configuration Space Organization The organization of ports A and C configuration space is shown in Figure 9 2 While both ports share the same...

Страница 92: ...press Capability Structure 0xFFF 0x100 0x070 0x040 0x000 PCI Configuration Space 64 DWords PCI Express Extended Configuration Space 960 DWords Virtual Channel Capability Structure PCI Power Management...

Страница 93: ...Line Size 0x00C on page 9 12 0x00D Byte PA_PLTIMER PA_PLTIMER Primary Latency Timer 0x00D on page 9 12 0x00E Byte PA_HDR PA_HDR Header Type 0x00E on page 9 12 0x00F Byte PA_BIST PA_BIST Built in Self...

Страница 94: ...70 DWord PA_PMCAP PA_PMCAP PCI Power Management Capabilities 0x070 on page 9 26 0x074 DWord PA_PMCSR PA_PMCSR PCI Power Management Control and Status 0x074 on page 9 27 0x078 DWord PA_PMPC PA_PMPC PCI...

Страница 95: ...fication This field contains the 16 bit ven dor ID value assigned to IDT See section Vendor ID on page 1 4 Bit Field Field Name Type Default Value Description 15 0 DID RO Device Identification This fi...

Страница 96: ...gister is never set 0x0 disable Disable Master Parity Error bit reporting 0x1 enable Enable Master Parity Error bit reporting 7 ADSTEP RO 0x0 Address Data Stepping Not applicable 8 SERRE RW 0x0 SERR E...

Страница 97: ...Not applicable since a target abort is never signalled 12 RTAS RO 0x0 Received Target Abort Not applicable 13 RMAS RO 0x0 Received Master Abort Not applicable 14 SSE RW1C 0x0 Signalled System Error Th...

Страница 98: ...06 Base Class Code This value indicates that the device is a bridge Bit Field Field Name Type Default Value Description 7 0 CLS RW 0x00 Cache Line Size This field has no effect on the bridge s functio...

Страница 99: ...e Description 7 0 PBUSN RW 0x0 Primary Bus Number This field is used to record the bus number of the PCI bus segment to which the primary inter face of the bridge is connected Bit Field Field Name Typ...

Страница 100: ...sing This bit always reflects the value of the IOCAP field in the IOBASE register 3 1 Reserved RO 0x0 Reserved field 7 4 IOLIMIT RW 0x0 I O Limit The IOBASE and IOLIMIT registers are used to control t...

Страница 101: ...15 4 MBASE RW 0xFFF Memory Address Base The MBASE and MLIMIT regis ters are used to control the forwarding of non prefetchable transactions between the primary and secondary interfaces of the bridge T...

Страница 102: ...the PMBASE register 3 1 Reserved RO 0x0 Reserved field 15 4 PMLIMIT RW 0x0 Prefetchable Memory Address Limit The PMBASE PMBASEU PMLIMIT and PMLIMITU registers are used to control the forwarding of pre...

Страница 103: ...he upper 16 bits of IOLIMIT When the IOCAP field in the IOBASE register is cleared this field becomes read only with a value of zero Bit Field Field Name Type Default Value Description 7 0 CAPPTR RO 0...

Страница 104: ...warding of ERR_COR ERR_NONFATAL ERR_FATAL from the sec ondary interface of the bridge to the primary interface Note that error reporting must be enabled in the Command register or PCI Express Capabili...

Страница 105: ...This field indicates the maximum payload size that the device can support for TLPs The default value corresponds to 2048 bytes 4 3 PFS RO 0x0 Phantom Functions Supported This field indicates the supp...

Страница 106: ...the Slot Power Limit Scale field This value is set by the Set_Slot_Power_Limit Message 27 26 CSPLS RO 0x0 Captured Slot Power Limit Scale Upstream Port A only hardwired to zero in downstream ports Th...

Страница 107: ...ith the No Snoop bit unmodified Therefore this field has no functional effect on the behavior of the transparent bridge 14 12 MRRS RO 0x0 Maximum Read Request Size The transparent bridge does not gene...

Страница 108: ...to a invalid or reserved value results in x1 being used 1 x1 x1 link width 2 x2 x2 link width 4 x4 x4 link width 8 x8 x8 link width others reserved 11 10 ASPMS RO 0x3 Active State Power Management ASP...

Страница 109: ...ayer LTSSM to the Recovery state This field always returns zero when read For compliance with the PCIe specification this bit has no effect on the upstream port when the REGUNLOCK bit is cleared in th...

Страница 110: ...t supported 6 HPC RO 0x0 Hot Plug Capable Hot plug is not supported 14 7 SPLV RWL 0x0 Slot Power Limit Value In combination with the Slot Power Limit Scale this field specifies the upper limit on powe...

Страница 111: ...pported 4 CCIE RO 0x0 Command Complete Interrupt Enable Hot plug is not supported 5 HPIE RO 0x0 Hot Plug Interrupt Enable Hot plug is not supported 7 6 AIC RO 0x3 Attention Indicator Control Hot plug...

Страница 112: ...version two of the specification 19 PMECLK RO 0x0 PME Clock Does not apply to PCI Express 20 Reserved RO 0x0 Reserved field 21 DEVSP RWL 0x0 Device Specific Initialization The value of zero indicates...

Страница 113: ...ect The optional data register is not implemented 14 13 DSCALE RO 0x0 Data Scale The optional data register is not implemented 15 PMES RW1C 0x0 Sticky for port C RO 0x0 for port A PME Status This bit...

Страница 114: ...en the transmitter port enters L0s The timer value is specified in the number 4ns clock cycles The default value corresponds to the PCI Express value of 7 S 30 28 Reserved RO 0x0 Reserved field 31 MCS...

Страница 115: ...10 L1comply_0 6 d11 L1comply_1 6 d12 L1comply_2 6 d13 L1accept_0 6 d14 L1accept_1 6 d15 L1accept_2 6 d16 L1reject_0 6 d17 L1timed_0 6 d18 L1timed_1 6 d19 L1timed_2 6 d20 L1timed_3 6 d21 L1timed_nak 6...

Страница 116: ...the fundamental reset 6 MSMBSMODE RO HWINIT Master SMBus Slow Mode This bit reflects the value of the MSMBSMODE signal sampled during the fundamental reset 7 PALREV RO HWINIT PCI Express Port A Lane R...

Страница 117: ...e In this state registers in the device may be initialized by the slave SMBus interface When this bit is cleared normal opera tion ensues Setting or clearing this bit has no effect following a reset o...

Страница 118: ...perate in non transparent mode 0x0 extreset external reset In this mode the PECRSTN pin is asserted when an external hot or fundamental reset is detected 0x1 intreset internal reset In this mode the P...

Страница 119: ...PROM initialization completes or when an error is detected 25 NAERR RW1C 0x0 No Acknowledge Error This bit is set if an unexpected NACK is observed during a master SMBus transaction The setting of thi...

Страница 120: ...nters on the SSMBCLK and SSMBDAT signals that wait approximately 1 S before sampling or driving these signals This field allows the glitch counter time to be reduced or entirely removed In some system...

Страница 121: ...pecified in the ADDR field When a write operation is selected the value written to this field is the value written to the serial EEPROM When a read operation is selected the value written to this fiel...

Страница 122: ...RO 0x0 INTC Aggregated State Aggregated port state for INTC 0x0 negated INTC negated 0x1 asserted INTC asserted 3 INTD RO 0x0 INTD Aggregated State Aggregated port state for INTD 0x0 negated INTD nega...

Страница 123: ...gister SMBus reads of this field return a value of zero and SMBus writes have no effect Bit Field Field Name Type Default Value Description 15 0 CAPID RO 0x2 Capability ID The value of 0x2 indicates a...

Страница 124: ...0x0 Reserved field 14 APS RO 0x0 Advanced Packet Switching Not supported 15 RJST RO 0x0 Reject Snoop Transactions Not supported for switch ports 22 16 MAXTS RO 0x0 Maximum Time Slots Since this VC doe...

Страница 125: ...s to one of the asserted bits in the Port Arbitration Capability field of the VC resource 23 20 Reserved RO 0x0 Reserved field 26 24 VCID RO 0x0 VC ID This field assigns a VC ID to the VC resource Sin...

Страница 126: ...iod 11 10 PHASE5 RW 0x0 Phase 5 This field contains the port ID for the correspond ing port arbitration period 13 12 PHASE6 RW 0x0 Phase 6 This field contains the port ID for the correspond ing port a...

Страница 127: ...for the corre sponding port arbitration period 13 12 PHASE22 RW 0x0 Phase 22 This field contains the port ID for the corre sponding port arbitration period 15 14 PHASE23 RW 0x0 Phase 23 This field co...

Страница 128: ...the nominal drive current selected by the TXNDC field multiplied by the scale factor selected in this field 0x0 sf100 scale factor of 1 00 0x1 sf105 scale factor of 1 05 0x2 sf110 scale factor of 1 1...

Страница 129: ...on value of nominal 10 0x3 m15 termination value of nominal 15 14 HIVMODE RW 0x0 High Voltage Mode This field selects the SerDes Vdd VddA supply voltage 0x0 low 1 0V supply 0x1 high 1 2V supply 16 15...

Страница 130: ...IDT Transparent Mode Operation PES16NT2 User Manual 9 44 April 15 2008 Notes...

Страница 131: ...associated with port C are two endpoints interconnected by non transparent bridge function ality When viewed externally port C appears as an end point device When viewed internally the non transparen...

Страница 132: ...tch integrity control and status registers in the port C configuration space are still associated with the port C PCI PCI bridge The connection between the port C PCI PCI bridge and the internal endpo...

Страница 133: ...s received by an internal or external non transparent endpoint that does not correspond to a message that should be processed by an endpoint then the message is silently discarded Address Routing Addr...

Страница 134: ...s or any combination of the two Each BAR has a corresponding setup register translated base register and translated limit register in the Non Transparent Bridge Configuration Capability structure asso...

Страница 135: ...on number would be six If a posted address routed transaction is received that matches a BAR but whose requester ID is not in the mapping table then the Forward Mapping Table Miss FMTMISS bit is set i...

Страница 136: ...ping table entry containing the bus device and function numbers of the original requestor The mapping table entry address formed from the device and function numbers is used to index into the mapping...

Страница 137: ...s are read only When an OUTMSG register is written the corresponding INMSG register on the opposite side of the NTB takes on the value written and the corresponding Inbound Message INMSGx bit is set i...

Страница 138: ...dpoint interrupts and MSIs are sent out on the link associated with the non transparent bridge i e port C link Each interrupt source has an associated bit in the Interrupt Status INTSTS register Assoc...

Страница 139: ...that are Message Signaled Interrupts MSIs and Message requests except where specifically permitted Since MSIs cannot be distinguished from memory write transactions by the switch the relaxed ordering...

Страница 140: ...four or less outstanding configuration transactions to an NTB configuration space Exceeding this number of outstanding transactions may result in completions being dropped In some systems it may desir...

Страница 141: ...sm referred to as punch through is provided to facilitate systems in which there does not exist a root on the external side of the NTB The external endpoint is unable to generate configura tion transa...

Страница 142: ...s generated to the root on which the packet was received if non fatal error reporting is enabled in the corresponding device control register i e Non Fatal Error Reporting Enable NTEREN bit set in the...

Страница 143: ...Q and this is not a duplicate TLP 3 5 3 1 Correctable error processing Bad DLLP1 1 A bad DLLP is a DLP with a bad LCRC 3 5 2 1 Correctable error processing Replay time out 3 5 2 1 Correctable error pr...

Страница 144: ...en a TLP is received by the switch TLP Type Error Check All LENGTH Max_Payload_Size i e MPS field in PCIEDCTL register I O read request LENGTH 1 doubleword TC 0 ATTR 0 The actual packet length is corr...

Страница 145: ...ddress mode Number of doublewords received equals LENGTH 4 when ECRC is present Number of doublewords received equals LENGTH 3 when a packet does not contain ECRC 64 bit address mode Number of doublew...

Страница 146: ...ry Access Enable MAE bit should be set in the PC_PCICMD register to enable the port C PCI PCI bridge to forward memory transactions The Memory Access Enable MAE bit should be set in the PCIE_PCICMD re...

Страница 147: ...transparent bridge to forward I O transactions into the switch The Bus Master Enable BME bit should be set in the PCIE_PCICMD register to enable the internal endpoint of the non transparent bridge to...

Страница 148: ...10 6 Figure 10 6 Port C Configuration Space Organization in Non Transparent Mode Type 1 Configuration Header PCI Express Capability Structure 0x100 0x070 0x040 0x000 PCI Configuration Space 64 DWords...

Страница 149: ...che Line Size 0x00C on page 10 24 0x00D Byte PC_PLTIMER PC_PLTIMER Primary Latency Timer 0x00D on page 10 24 0x00E Byte PC_HDR PC_HDR Header Type 0x00E on page 10 24 0x00F Byte PC_BIST PC_BIST Built i...

Страница 150: ...0 36 0x054 DWord PC_PCIESCAP PC_PCIESCAP Port C NTB Mode PCI Express Slot Capabilities 0x054 on page 10 36 0x058 Word PC_PCIESCTL PC_PCIESCTL Port C NTB Mode PCI Express Slot Control 0x058 on page 10...

Страница 151: ...ld Field Name Type Default Value Description 15 0 DID RO Device Identification This field contains the 16 bit device ID assigned by IDT to this transparent bridge See section section Device ID on page...

Страница 152: ...egister is never set 0x0 disable Disable Master Parity Error bit reporting 0x1 enable Enable Master Parity Error bit reporting 7 ADSTEP RO 0x0 Address Data Stepping Not applicable 8 SERRE RW 0x0 SERR...

Страница 153: ...t Not applicable since a target abort is never signalled 12 RTAS RO 0x0 Received Target Abort Not applicable 13 RMAS RO 0x0 Received Master Abort Not applicable 14 SSE RW1C 0x0 Signalled System Error...

Страница 154: ...0x06 Base Class Code This value indicates that the device is a bridge Bit Field Field Name Type Default Value Description 7 0 CLS RW 0x00 Cache Line Size This field has no effect on the bridge s func...

Страница 155: ...lue Description 7 0 PBUSN RW 0x0 Primary Bus Number This field is used to record the bus number of the PCI bus segment to which the primary inter face of the bridge is connected Bit Field Field Name T...

Страница 156: ...ressing This bit always reflects the value of the IOCAP field in the IOBASE register 3 1 Reserved RO 0x0 Reserved field 7 4 IOLIMIT RW 0x0 I O Limit The IOBASE and IOLIMIT registers are used to contro...

Страница 157: ...e section Data Integrity on page 4 4 Bit Field Field Name Type Default Value Description 3 0 Reserved RO 0x0 Reserved field 15 4 MBASE RW 0xFFF Memory Address Base The MBASE and MLIMIT regis ters are...

Страница 158: ...ry interface of the bridge PMBASEU specifies the remaining bits Bit Field Field Name Type Default Value Description 0 PMCAP RO 0x1 Prefetchable Memory Capability Indicates if the bridge supports 32 bi...

Страница 159: ...0 IOBASEU RW 0xFFFF I O Address Base Upper This field specifies the upper 16 bits of IOBASE When the IOCAP field in the IOBASE register is cleared this field becomes read only with a value of zero Bi...

Страница 160: ...the secondary inter face 0x0 ignore Ignore poisoned TLPs i e parity errors on the secondary interface 0x1 report Enable poisoned TLP i e parity error detection and reporting on the secondary interfac...

Страница 161: ...ted This bit is set when the PCI Express link associated with this Port is connected to a slot 29 25 IMN RO 0x0 Interrupt Message Number The function is allocated only one downstream ports MSI or none...

Страница 162: ...icator is implemented on the card module This bit should not be set on downstream ports 25 18 CSPLV RO 0x0 Captured Slot Power Limit Value Upstream Port A only hardwired to zero in downstream ports Ca...

Страница 163: ...not support phantom function numbers Therefore this field is hard wired to zero 10 AUXPMEN RO 0x0 Auxiliary Power PM Enable The device does not imple ment this capability 11 ENS RO 0x0 Enable No Snoop...

Страница 164: ...eld Name Type Default Value Description 3 0 MAXLNKSPD RO 0x1 Maximum Link Speed This field is hardwired to 0x1 to indicate 2 5 Gbps 9 4 MAXLNK WDTH RWL 0x8 Maximum Link Width This field indicates the...

Страница 165: ...ault value 0x0 disabled disabled 0x1 l0s L0s enable entry 0x2 l1 L1 enable entry 0x3 l0sl1 L0s and L1 enable entry 2 Reserved RO 0x0 Reserved field 3 RCB RO 0x0 Read Completion Boundary This field is...

Страница 166: ...d Bit Field Field Name Type Default Value Description 0 ABP RO 0x0 Attention Button Present Hot plug is not supported 1 PCP RO 0x0 Power Control Present Hot plug is not supported 2 MRLP RO 0x0 MRL Sen...

Страница 167: ...Attention Indicator Control Hot plug is not supported 9 8 PIC RO 0x0 Power Indicator Control Hot plug is not supported 10 PCC RO 0x0 Power Controller Control Hot plug is not supported 11 EIC RO 0x0 E...

Страница 168: ...field indicates that the PES16NT2 does not support D1 26 D2 RO 0x0 D2 Support This field indicates that the PES16NT2 does not support D2 31 27 PME RO 0b11001 PME Support This field indicates the powe...

Страница 169: ...0 L1ET RW 0x3E8 L1 Entry Timer This field specifies the L1 entry timer value for the related port transmitter If all L1 entry condi tions are met for the specified amount of time then the transmitter...

Страница 170: ...6 d10 L1comply_0 6 d11 L1comply_1 6 d12 L1comply_2 6 d13 L1accept_0 6 d14 L1accept_1 6 d15 L1accept_2 6 d16 L1reject_0 6 d17 L1timed_0 6 d18 L1timed_1 6 d19 L1timed_2 6 d20 L1timed_3 6 d21 L1timed_nak...

Страница 171: ...g the fundamental reset 6 MSMBSMODE RO HWINIT Master SMBus Slow Mode This bit reflects the value of the MSMBSMODE signal sampled during the fundamental reset 7 PALREV RO HWINIT PCI Express Port A Lane...

Страница 172: ...ate In this state registers in the device may be initialized by the slave SMBus interface When this bit is cleared normal opera tion ensues Setting or clearing this bit has no effect following a reset...

Страница 173: ...o operate in non transparent mode 0x0 extreset external reset In this mode the PECRSTN pin is asserted when an external hot or fundamental reset is detected 0x1 intreset internal reset In this mode th...

Страница 174: ...ode in which serial EEPROM initialization occurs during a fundamental reset this bit is set when serial EEPROM initialization completes or when an error is detected 25 NAERR RW1C 0x0 No Acknowledge Er...

Страница 175: ...onfigured to operate in fast mode i e 400 KHz 16 MSMBIOM RW 0x0 Master SMBus Ignore Other Masters When this bit is set the master SMBus proceeds with transactions regard less of whether it won or lost...

Страница 176: ...sed Bit Field Field Name Type Default Value Description 15 0 ADDR RW 0x0 EEPROM Address This field contains the byte address in the Serial EEPROM to be read or written 23 16 DATA RW 0x0 EEPROM Data A...

Страница 177: ...TC RO 0x0 INTC Aggregated State Aggregated port state for INTC 0x0 negated INTC negated 0x1 asserted INTC asserted 3 INTD RO 0x0 INTD Aggregated State Aggregated port state for INTD 0x0 negated INTD n...

Страница 178: ...register SMBus reads of this field return a value of zero and SMBus writes have no effect Bit Field Field Name Type Default Value Description 15 0 CAPID RO 0x2 Capability ID The value of 0x2 indicates...

Страница 179: ...RO 0x0 Reserved field 14 APS RO 0x0 Advanced Packet Switching Not supported 15 RJST RO 0x0 Reject Snoop Transactions Not supported for switch ports 22 16 MAXTS RO 0x0 Maximum Time Slots Since this VC...

Страница 180: ...onds to one of the asserted bits in the Port Arbitration Capability field of the VC resource 23 20 Reserved RO 0x0 Reserved field 26 24 VCID RO 0x0 VC ID This field assigns a VC ID to the VC resource...

Страница 181: ...eriod 11 10 PHASE5 RW 0x0 Phase 5 This field contains the port ID for the correspond ing port arbitration period 13 12 PHASE6 RW 0x0 Phase 6 This field contains the port ID for the correspond ing port...

Страница 182: ...ID for the corre sponding port arbitration period 13 12 PHASE22 RW 0x0 Phase 22 This field contains the port ID for the corre sponding port arbitration period 15 14 PHASE23 RW 0x0 Phase 23 This field...

Страница 183: ...to the nominal drive current selected by the TXNDC field multiplied by the scale factor selected in this field 0x0 sf100 scale factor of 1 00 0x1 sf105 scale factor of 1 05 0x2 sf110 scale factor of...

Страница 184: ...tion value of nominal 10 0x3 m15 termination value of nominal 15 14 HIVMODE RW 0x0 High Voltage Mode This field selects the SerDes Vdd VddA supply voltage 0x0 low 1 0V supply 0x1 high 1 2V supply 16 1...

Страница 185: ...tion Capability Structure Non Transparent Bridge Communications Capability Structure PCIe Extended Cap Hdr 0xFFF 0x800 0x100 0x0B4 0x074 0x064 0x040 0x000 PCI Non Transparent Bridge Configuration Wind...

Страница 186: ...00C on page 10 62 0x00D Byte PCIE_MLTIMER PCIE_MLTIMER Master Latency Timer 0x00D on page 10 62 0x00E Byte PCIE_HDR PCIE_HDR Header Type 0x00E on page 10 62 0x00F Byte PCIE_BIST PCIE_BIST Built on Sel...

Страница 187: ...079 on page 10 75 0x07A Word PCIE_NTBEPID PCIE_NTBEPID Non Transparent Bridge Endpoint Identifica tion 0x07A on page 10 76 0x07C DWord PCIE_BARSETUP0 PCIE_BARSETUP0 BAR 0 Setup 0x07C on page 10 77 0x0...

Страница 188: ...9 0x0D8 DWord PCIE_SCRATCHPAD0 PCIE_SCRATCHPAD 0 1 Scratchpad 0 1 0x0D8 ODC on page 10 90 0x0DC DWord PCIE_SCRATCHPAD1 PCIE_SCRATCHPAD 0 1 Scratchpad 0 1 0x0D8 ODC on page 10 90 0x0E0 DWord PCIE_INDBE...

Страница 189: ...3 Translated Limit Address 0x224 on page 10 103 0x400 through 0xFFF Reserved field Bit Field Field Name Type Default Value Description 15 0 VID RO 0x111D Vendor Identification This field contains the...

Страница 190: ...his bit is set and the non transparent bridge receives a poisoned completion or gen erates a poisoned write If this bit is set then the Master Data Parity Error bit in the PCI Status register is never...

Страница 191: ...or completion received 10 9 DEVT RO 0x0 DEVSEL TIming Not applicable 11 STAS RO 0x0 Signalled Target Abort Not applicable 12 RTAS RW1C 0x0 Received Target Abort This bit is set when the non trans par...

Страница 192: ...escription 7 0 INTF RO 0x00 Interface No standard interface defined 15 8 SUB RO 0x80 Sub Class Code This value indicates that the device is classified as other 23 16 BASE RO 0x06 Base Class Code This...

Страница 193: ...x0 addr32 32 bit addressing Located in lower 4 GB address space 0x1 reserved reserved 0x2 addr64 64 bit addressing 0x3 reserved reserved 3 PREF RO Prefetchable If the MEMSI field selects memory this f...

Страница 194: ...t 0x0 addr32 32 bit addressing Located in lower 4 GB address space 0x1 reserved reserved 0x1 reserved reserved 0x3 reserved reserved 3 PREF RO Prefetchable If the MEMSI field selects memory this field...

Страница 195: ...always zero The value of this field is determined by the PREF field in the BARSETUP2 register 0x0 nonprefetch non prefetchable 0x1 prefetch prefetchable 31 4 BADDR RW 0x0 Base Address This field speci...

Страница 196: ...by the MEMSI field in the BARSETUP3 register 0x0 nonprefetch non prefetchable 0x1 prefetch prefetchable 31 4 BADDR RW 0x0 Base Address This field specifies the address bits to be used by the non tran...

Страница 197: ...identifies the subsystem Bit Field Field Name Type Default Value Description 7 0 CAPPTR RO 0x40 Capabilities Pointer This field specifies a pointer to the head of the capabilities structure Bit Field...

Страница 198: ...lue contained in Serial EEPROM may override this default value 24 SLOT RWL 0x0 Slot Implemented This bit is set when the PCI Express link associated with this Port is connected to a slot 29 25 IMN RO...

Страница 199: ...ride this default value 14 PIP RO 0x0 Power Indicator Present When set this bit indicates that a Power Indicator is implemented on the card module The value contained in Serial EEPROM may override thi...

Страница 200: ...ment this capability 11 ENS RW 0x0 Enable No Snoop The non transparent bridge does not generate transactions with the No Snoop bit set and passes transactions through the bridge with the No Snoop bit...

Страница 201: ...red to 2 5 Gbps 9 4 MAXLNKWDTH RO 0x8 Maximum Link Width This field is hardwired to 0x8 11 10 ASPMS RO 0x01 Active State Power Management This field is hardwired to indicate L0s entry supported Howeve...

Страница 202: ...t applicable for endpoints 12 SCLK RO 0x0 Slot Clock Configuration Not applicable for virtual links 15 13 Reserved RO 0x0 Reserved field Bit Field Field Name Type Default Value Description 7 0 CAPID R...

Страница 203: ...mory write transaction If the contents of this field are non zero then 64 bit address is used in the MSI memory write transaction If the contents of this field are zero then the 32 bit address specifi...

Страница 204: ...hen the opposite side is set to not ready all configuration transactions received on the opposite side of the non transparent bridge are responded to with a configuration request retry status completi...

Страница 205: ...bit is set in this register and a fundament or hot reset is detected on the opposite side of the non transparent bridge This field is only relevant for the internal side of the non transparent bridge...

Страница 206: ...ion is received by the opposite side of the non transparent bridge that does match the bus device function of an entry in the mapping table 5 MTAERR RW1C 0x01 Mapping Table Access Error This bit is se...

Страница 207: ...0x1 io I O space 2 1 TYPE RW 0x01 Address Select This field determines the value reported in the TYPE field of the corresponding BAR and selects the address space decoding used when memory space is s...

Страница 208: ...the SIZE field to a value less than four results in all bits in the corresponding BAR BADDR field to take on a read only zero value that effectively disables the BAR The smallest memory size that may...

Страница 209: ...t by external fundamental reset or internal external hot reset Bit Field Field Name Type Default Value Description 0 MEMSI RW 0x01 MEMSI Select This field determines the MEMSI type returned in the MEM...

Страница 210: ...d Corresponding bits less than the SIZE field and greater than or equal to four always return a value of zero when read and cannot be modified Setting the SIZE field to a value less than four results...

Страница 211: ...nding BAR 0x0 memory memory space 0x1 io I O space 2 1 TYPE RW 0x01 Address Select This field determines the value reported in the TYPE field of the corresponding BAR and selects the address space dec...

Страница 212: ...the SIZE field to a value less than four results in all bits in the corresponding BAR BADDR field to take on a read only zero value that effectively disables the BAR The smallest memory size that may...

Страница 213: ...t by external fundamental reset or internal external hot reset Bit Field Field Name Type Default Value Description 0 MEMSI RW 0x01 MEMSI Select This field determines the MEMSI type returned in the MEM...

Страница 214: ...the BAR BADDR field that corre spond to PCI Express address bits greater than or equal to the SIZE field to be modified Corresponding bits less than the SIZE field and greater than or equal to four a...

Страница 215: ...corresponding BAR 32 bit addressing is always selected 3 PREF RO 0x0 Prefetchable Select This field determines the value reported in the PREF field of the corresponding BAR Non prefetchable space is a...

Страница 216: ...med when the PTCDATA regis ter is written 0x0 read configuration read 0x1 write configuration write 1 Not reset by external fundamental reset or internal external hot reset Bit Field Field Name Type D...

Страница 217: ...ion Status This field contains the completion status of the last punch through configuration transaction and is valid only when the DONE bit in this register is set 0x0 sc successful completion 0x1 ur...

Страница 218: ...g table entry pointed to by the ADDR field in the MTADDR register Writing this field updates the mapping table entry pointed to by the ADDR field Only DWord accesses are supported to this register Non...

Страница 219: ...T proprietary PCI PCI X or PCI Express capability The value of 0x2 identifies this as a non transparent bridge communications capability structure Bit Field Field Name Type Default Value Description 3...

Страница 220: ...located in PCI configuration space on the opposite side of the of the non transparent bridge Bit Field Field Name Type Default Value Description 31 0 OUTDBELL RW 0x0 Outbound Doorbell Each bit in this...

Страница 221: ...t Control 0 INTCTL0 register 6 OSPSTATEM RW1C 0x0 Opposite Side Power State Modification This bit is set whenever a modification is made to the PSTATE field in the PMCSR register on the opposite side...

Страница 222: ...e INTB assertion and negation mes sages 0x4 int_c generate INTC assertion and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 5 3 INMSG1 RW...

Страница 223: ...n and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 11 9 INMSG3 RW 0x0 Inbound Message 3 Configuration This field encodes the action take...

Страница 224: ...d negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x7 reserved reserved 17 15 OSRD RW 0x0 Opposite Side Reset Detected Configuration This field encodes the actio...

Страница 225: ...TA assertion and negation mes sages 0x3 int_b generate INTB assertion and negation mes sages 0x4 int_c generate INTC assertion and negation mes sages 0x5 int_d generate INTD assertion and negation mes...

Страница 226: ...mine the current power state and to set a new power state 0x0 d0 D0 state 0x1 d1 D1 state not supported by the PES16NT2 and reserved 0x2 d2 D2 state not supported by the PES16NT2 and reserved 0x3 d3 D...

Страница 227: ...guration Data A read from this field will return the configuration space register value pointed to by the ECF GADDR register A write to this field will update the con tents of the configuration space...

Страница 228: ...dless of the value of this field an MSI is only sent when the Enable EN bit is set in the MSICAP register Similarly and INTx message is only sent if not disabled by the INTXD bit in the PCICMD registe...

Страница 229: ...on and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 8 6 PBLINKUP RW 0x0 Port B Link Up Configuration This field encodes the action taken...

Страница 230: ...on and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 14 12 PCLINKUP RW 0x0 Port C Link Up Configuration This field encodes the action tak...

Страница 231: ...PCICMD register The action i e this field should not be modified while the corresponding bit is set Modifying the action when the cor responding bit is set produces undefined results 0x0 disabled int...

Страница 232: ...ttribute 2 FNS RW 0x0 Sticky Force No Snoop When this bit is set all TLPs in which the no snoop attribute is applicable are modified as dic tated by the No Snoop Modification NSM field in this reg ist...

Страница 233: ...address for transactions that map through BAR1 of the non transparent bridge A translation fails the limit test if the address is greater than the value specified in this field Bit Field Field Name T...

Страница 234: ...ification 0x008 on page 10 110 0x009 3 Bytes PCEE_CCODE PCEE_CCODE Class Code 0x009 on page 10 110 0x00C Byte PCEE_CLS PCEE_CLS Cache Line Size 0x00C on page 10 110 0x00D Byte PCEE_MLTIMER PCEE_MLTIME...

Страница 235: ...10 121 0x074 DWord PCEE_NTBCFGC PCEE_NTBCFGC Non Transparent Bridge Configuration Capability 0x074 on page 10 121 0x078 Byte PCEE_NTBCTL PCEE_NTBCTL Non Transparent Bridge Control 0x078 on page 10 122...

Страница 236: ...ssage 0 1 2 3 0x0C8 0D4 on page 10 137 0x0CC DWord PCEE_OUTMSG1 PCEE_OUTMSG 0 1 2 3 Outbound Message 0 1 2 3 0x0C8 0D4 on page 10 137 0x0D0 DWord PCEE_OUTMSG2 PCEE_OUTMSG 0 1 2 3 Outbound Message 0 1...

Страница 237: ...21C on page 10 151 0x220 DWord PCEE_BARTLIMIT2 PCEE_BARTLIMIT2 BAR 2 Translated Limit Address 0x220 on page 10 151 0x224 DWord PCEE_BARTLIMIT3 PCEE_BARTLIMIT3 BAR 3 Translated Limit Address 0x224 on p...

Страница 238: ...5 VGAS RO 0x0 VGA Palette Snoop Not applicable 6 PERRE RW 0x0 Parity Error Enable The Master Data Parity Error bit is set in the PCI Status register if this bit is set and the non transparent bridge...

Страница 239: ...t or completion received 10 9 DEVT RO 0x0 DEVSEL TIming Not applicable 11 STAS RO 0x0 Signalled Target Abort Not applicable 12 RTAS RW1C 0x0 Received Target Abort This bit is set when the non trans pa...

Страница 240: ...Description 7 0 INTF RO 0x00 Interface No standard interface defined 15 8 SUB RO 0x80 Sub Class Code This value indicates that the device is classified as other 23 16 BASE RO 0x06 Base Class Code This...

Страница 241: ...x0 addr32 32 bit addressing Located in lower 4 GB address space 0x1 reserved reserved 0x2 addr64 64 bit addressing 0x3 reserved reserved 3 PREF RO Prefetchable If the MEMSI field selects memory this f...

Страница 242: ...at 0x0 addr32 32 bit addressing Located in lower 4 GB address space 0x1 reserved reserved 0x1 reserved reserved 0x3 reserved reserved 3 PREF RO Prefetchable If the MEMSI field selects memory this fiel...

Страница 243: ...always zero The value of this field is determined by the PREF field in the BARSETUP2 register 0x0 nonprefetch non prefetchable 0x1 prefetch prefetchable 31 4 BADDR RW 0x0 Base Address This field speci...

Страница 244: ...by the MEMSI field in the BARSETUP3 register 0x0 nonprefetch non prefetchable 0x1 prefetch prefetchable 31 4 BADDR RW 0x0 Base Address This field specifies the address bits to be used by the non tran...

Страница 245: ...d identifies the subsystem Bit Field Field Name Type Default Value Description 7 0 CAPPTR RO 0x40 Capabilities Pointer This field specifies a pointer to the head of the capabilities structure Bit Fiel...

Страница 246: ...lue contained in Serial EEPROM may override this default value 24 SLOT RWL 0x0 Slot Implemented This bit is set when the PCI Express link associated with this Port is connected to a slot 29 25 IMN RO...

Страница 247: ...ride this default value 14 PIP RO 0x0 Power Indicator Present When set this bit indicates that a Power Indicator is implemented on the card module The value contained in Serial EEPROM may override thi...

Страница 248: ...e ment this capability 11 ENS RW 0x0 Enable No Snoop The non transparent bridge does not generate transactions with the No Snoop bit set and passes transactions through the bridge with the No Snoop bi...

Страница 249: ...ired to 2 5 Gbps 9 4 MAXLNKWDTH RO 0x8 Maximum Link Width This field is hardwired to 0x8 11 10 ASPMS RO 0x01 Active State Power Management This field is hardwired to indicate L0s entry supported Howev...

Страница 250: ...t applicable for endpoints 12 SCLK RO 0x0 Slot Clock Configuration Not applicable for virtual links 15 13 Reserved RO 0x0 Reserved field Bit Field Field Name Type Default Value Description 7 0 CAPID R...

Страница 251: ...emory write transaction If the contents of this field are non zero then 64 bit address is used in the MSI memory write transaction If the contents of this field are zero then the 32 bit address specif...

Страница 252: ...When the opposite side is set to not ready all configuration transactions received on the opposite side of the non transparent bridge are responded to with a configuration request retry status complet...

Страница 253: ...bit is set in this register and a fundament or hot reset is detected on the opposite side of the non transparent bridge This field is only relevant for the internal side of the non transparent bridge...

Страница 254: ...ion is received by the opposite side of the non transparent bridge that does match the bus device function of an entry in the mapping table 5 MTAERR RW1C 0x01 Mapping Table Access Error This bit is se...

Страница 255: ...e 0x1 io I O space 2 1 TYPE RW 0x01 Address Select This field determines the value reported in the TYPE field of the corresponding BAR and selects the address space decoding used when memory space is...

Страница 256: ...the SIZE field to a value less than four results in all bits in the corresponding BAR BADDR field to take on a read only zero value that effectively disables the BAR The smallest memory size that may...

Страница 257: ...et by external fundamental reset or internal external hot reset Bit Field Field Name Type Default Value Description 0 MEMSI RW 0x01 MEMSI Select This field determines the MEMSI type returned in the ME...

Страница 258: ...d Corresponding bits less than the SIZE field and greater than or equal to four always return a value of zero when read and cannot be modified Setting the SIZE field to a value less than four results...

Страница 259: ...onding BAR 0x0 memory memory space 0x1 io I O space 2 1 TYPE RW 0x01 Address Select This field determines the value reported in the TYPE field of the corresponding BAR and selects the address space de...

Страница 260: ...the SIZE field to a value less than four results in all bits in the corresponding BAR BADDR field to take on a read only zero value that effectively disables the BAR The smallest memory size that may...

Страница 261: ...et by external fundamental reset or internal external hot reset Bit Field Field Name Type Default Value Description 0 MEMSI RW 0x01 MEMSI Select This field determines the MEMSI type returned in the ME...

Страница 262: ...the BAR BADDR field that corre spond to PCI Express address bits greater than or equal to the SIZE field to be modified Corresponding bits less than the SIZE field and greater than or equal to four a...

Страница 263: ...corresponding BAR 32 bit addressing is always selected 3 PREF RO 0x0 Prefetchable Select This field determines the value reported in the PREF field of the corresponding BAR Non prefetchable space is...

Страница 264: ...rmed when the PTCDATA regis ter is written 0x0 read configuration read 0x1 write configuration write 1 Not reset by external fundamental reset or internal external hot reset Bit Field Field Name Type...

Страница 265: ...ion Status This field contains the completion status of the last punch through configuration transaction and is valid only when the DONE bit in this register is set 0x0 sc successful completion 0x1 ur...

Страница 266: ...ng table entry pointed to by the ADDR field in the MTADDR register Writing this field updates the mapping table entry pointed to by the ADDR field Only DWord accesses are supported to this register No...

Страница 267: ...T proprietary PCI PCI X or PCI Express capability The value of 0x2 identifies this as a non transparent bridge communications capability structure Bit Field Field Name Type Default Value Description 3...

Страница 268: ...located in PCI configuration space on the opposite side of the of the non transparent bridge Bit Field Field Name Type Default Value Description 31 0 OUTDBELL RW 0x0 Outbound Doorbell Each bit in this...

Страница 269: ...pt Control 0 INTCTL0 register 6 OSPSTATEM RW1C 0x0 Opposite Side Power State Modification This bit is set whenever a modification is made to the PSTATE field in the PMCSR register on the opposite side...

Страница 270: ...e INTB assertion and negation mes sages 0x4 int_c generate INTC assertion and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 5 3 INMSG1 RW...

Страница 271: ...n and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 11 9 INMSG3 RW 0x0 Inbound Message 3 Configuration This field encodes the action take...

Страница 272: ...nd negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x7 reserved reserved 17 15 OSRD RW 0x0 Opposite Side Reset Detected Configuration This field encodes the acti...

Страница 273: ...NTA assertion and negation mes sages 0x3 int_b generate INTB assertion and negation mes sages 0x4 int_c generate INTC assertion and negation mes sages 0x5 int_d generate INTD assertion and negation me...

Страница 274: ...rmine the current power state and to set a new power state 0x0 d0 D0 state 0x1 d1 D1 state not supported by the PES16NT2 and reserved 0x2 d2 D2 state not supported by the PES16NT2 and reserved 0x3 d3...

Страница 275: ...guration Data A read from this field will return the configuration space register value pointed to by the ECF GADDR register A write to this field will update the con tents of the configuration space...

Страница 276: ...rdless of the value of this field an MSI is only sent when the Enable EN bit is set in the MSICAP register Similarly and INTx message is only sent if not disabled by the INTXD bit in the PCICMD regist...

Страница 277: ...ion and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 8 6 PBLINKUP RW 0x0 Port B Link Up Configuration This field encodes the action take...

Страница 278: ...on and negation mes sages 0x5 int_d generate INTD assertion and negation mes sages 0x6 though 0x8 reserved reserved 14 12 PCLINKUP RW 0x0 Port C Link Up Configuration This field encodes the action tak...

Страница 279: ...PCICMD register The action i e this field should not be modified while the corresponding bit is set Modifying the action when the cor responding bit is set produces undefined results 0x0 disabled int...

Страница 280: ...ttribute 2 FNS RW 0x0 Sticky Force No Snoop When this bit is set all TLPs in which the no snoop attribute is applicable are modified as dic tated by the No Snoop Modification NSM field in this reg ist...

Страница 281: ...address for transactions that map through BAR1 of the non transparent bridge A translation fails the limit test if the address is greater than the value specified in this field Bit Field Field Name T...

Страница 282: ...TB upstream port failover is in progress Modifying this field while an upstream port failover is in progress produces undefined results The initial value of this field depends on the selected switch o...

Страница 283: ...ed 6 IDHRSTPROP RW 0x0 Sticky Internal Hierarchy Disable Hot Reset Propagation When this bit is set hot resets received on the upstream port are ignored 7 EDHRSTPROP RW 0x0 Sticky External Hierarchy D...

Страница 284: ...IDT Non Transparent Mode Operation PES16NT2 User Manual 10 154 April 15 2008 Notes...

Страница 285: ...S16NT2 Test Access Point The system logic utilizes a 16 state TAP controller a six bit instruction register and five dedicated pins to perform a variety of functions The primary use of the JTAG TAP Co...

Страница 286: ...active low Asynchronous reset for JTAG TAP controller internal pull up JTAG_TCK Input JTAG Clock Test logic clock JTAG_TMS and JTAG_TDI are sampled on the rising edge JTAG_TDO is output on the fallin...

Страница 287: ...nter face PEALREV I PEARN 7 0 I PEARP 7 0 I PEATN 7 0 O PEATP 7 0 O PECLREV I PECRN 7 0 I PECRP 7 0 I PECTN 7 0 O PECTP 7 0 O PEREFCLKN 1 0 I PEREFCLKP 1 0 I REFCLKM I SMBus MSMBADDR 4 1 I MSMBCLK I O...

Страница 288: ...nables Therefore the SAMPLE PRELOAD instruction must first be used to load suitable values into the boundary scan cells so that inappropriate values are not driven out onto the system pins All of the...

Страница 289: ...ter allows an instruction to be shifted serially into the device at the rising edge of JTAG_TCK The instruction is then used to select the test to be performed or the test register to be accessed or b...

Страница 290: ...e rapid testing of a given device all other devices are put into BYPASS mode Instruction Definition Opcode EXTEST Mandatory instruction allowing the testing of board level interconnec tions Data is ty...

Страница 291: ...contains a Device ID register it must also contain a BYPASS register The only difference is that the BYPASS register will not be the default register selected during the TAP controller reset When the...

Страница 292: ...terfere with normal system operation the TAP controller should be forced into the Test Logic Reset controller state by continuously holding JTAG_TRST_N low and or JTAG_TMS high when the chip is in nor...

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