Intel 80312 I/O Companion Chip - ECEE

Intel ® 80312 I/O Companion Chip5.7.13 Expansion ROM Base Address Register - ERBAR ................................................5-745.7.14 ATU Capabilities Pointer Register - ATU_Cap_Ptr.................................................5-755.7.15 Determining Block Sizes for Base Address Registers ............................................5-765.7.16 ATU Interrupt Line Register - ATUILR ....................................................................5-775.7.17 ATU Interrupt Pin Register - ATUIPR .....................................................................5-785.7.18 ATU Minimum Grant Register - ATUMGNT............................................................5-795.7.19 ATU Maximum Latency Register - ATUMLAT ........................................................5-805.7.20 Primary Inbound ATU Limit Register - PIALR.........................................................5-815.7.21 Primary Inbound ATU Translate Value Register - PIATVR ....................................5-825.7.22 Secondary Inbound ATU Base Address Register - SIABAR ..................................5-835.7.23 Secondary Inbound ATU Limit Register - SIALR ....................................................5-845.7.24 Secondary Inbound ATU Translate Value Register - SIATVR................................5-855.7.25 Primary Outbound Memory Window Value Register - POMWVR ..........................5-865.7.26 Primary Outbound I/O Window Value Register - POIOWVR..................................5-875.7.27 Primary Outbound DAC Window Value Register - PODWVR ................................5-885.7.28 Primary Outbound Upper 64-bit DAC Register - POUDR.......................................5-895.7.29 Secondary Outbound Memory Window Value Register - SOMWVR......................5-905.7.30 Secondary Outbound I/O Window Value Register - SOIOWVR .............................5-915.7.31 Expansion ROM Limit Register - ERLR ..................................................................5-925.7.32 Expansion ROM Translate Value Register - ERTVR..............................................5-935.7.33 ATU_Capability Identifier Register - ATU_Cap_ID .................................................5-945.7.34 ATU Next Item Pointer Register - ATU_Next_Item_Ptr ..........................................5-955.7.35 ATU Power Management Capabilities Register - APMCR .....................................5-965.7.36 ATU Power Management Control/Status Register - APMCSR...............................5-975.7.37 ATU Configuration Register - ATUCR ....................................................................5-985.7.38 Primary ATU Interrupt Status Register - PATUISR ..............................................5-1005.7.39 Secondary ATU Interrupt Status Register - SATUISR..........................................5-1025.7.40 Secondary ATU Command Register - SATUCMD ...............................................5-1045.7.41 Secondary ATU Status Register - SATUSR .........................................................5-1055.7.42 Secondary Outbound DAC Window Value Register - SODWVR .........................5-1065.7.43 Secondary Outbound Upper 64-bit DAC Register - SOUDR................................5-1075.7.44 Primary Outbound Configuration Cycle Address Register - POCCAR .................5-1085.7.45 Secondary Outbound Configuration Cycle Address Register - SOCCAR ............5-1095.7.46 Primary Outbound Configuration Cycle Data Register - POCCDR ......................5-1105.7.47 Secondary Outbound Configuration Cycle Data Register - SOCCDR..................5-1115.7.48 Primary ATU Queue Control Register - PAQCR ..................................................5-1125.7.49 Secondary ATU Queue Control Register - SAQCR..............................................5-1135.7.50 Primary ATU Interrupt Mask Register - PATUIMR ...............................................5-1145.7.51 Secondary ATU Interrupt Mask Register - SATUIMR...........................................5-1156 Messaging Unit .............................................................................................. 6-16.1 Overview....................................................................................................................................6-16.2 Theory of Operation...................................................................................................................6-26.2.1 Transaction Ordering ................................................................................................6-46.3 Message Registers....................................................................................................................6-56.3.1 Outbound Messages.................................................................................................6-56.3.2 Inbound Messages ...................................................................................................6-56.4 Doorbell Registers .....................................................................................................................6-66.4.1 Outbound Doorbells..................................................................................................6-66.4.2 Inbound Doorbells.....................................................................................................6-6Developer’s Manualix