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IBM Dual Bridge and Memory Controller
Page ii
dbamc01TOC.fm.01
July 13, 2000
3.5.6 Component Reset Register (CRR) .........................................................................................63
3.5.7 Personalization Register (PR) .................................................................................................64
3.5.8 Arbiter Control Register (ACR) ...............................................................................................66
3.5.9 PCI Memory Address Space Size (MSIZE) ............................................................................67
3.5.10 PCI I/O Address Space Size (IOSIZE) ..................................................................................68
3.5.11 System Base Address for PCI Memory (SMBAR) ................................................................69
3.5.12 System Base Address for PCI I/O (SIBAR) ..........................................................................70
3.5.13 PHB Configuration Register (CTLRW) .................................................................................71
3.5.14 PHB Configuration Register (CTLRO) ..................................................................................72
3.5.15 CONFIG_ADDRESS Register (CFGA) .................................................................................73
3.5.16 CONFIG_DATA Register (CFGD) ........................................................................................74
3.5.17 System Address Space SIZE for PCI (PSSIZE) ...................................................................75
3.5.18 Other PCI Address Space SIZE for PCI (PPSIZE) ...............................................................76
3.5.19 System Base Address Register (BARPS) .............................................................................77
3.5.20 PCI Base Address Register (BARPP) ...................................................................................78
3.5.21 System Base Address Register for PCI-32 (PSBAR) ...........................................................79
3.5.22 PCI-64 Base Address Register for PCI-32 (PPBAR) ............................................................80
3.5.23 Bottom of Peripheral Memory Space With Potential Deadlock (BPMDLK) ...........................81
3.5.24 Top of Peripheral Memory Space With Potential Deadlock (TPMDLK) ................................82
3.5.25 Bottom of Peripheral I/O Space With Potential Deadlock (BIODLK) ....................................83
3.5.26 Top of Peripheral I/O Space With Potential Deadlock (TIODLK) ..........................................84
3.5.27 Reset Addressed Interrupt Register (IT_ADD_RESET) .......................................................85
3.5.28 Set PCI-64 Interrupt Register (INT_SET) .............................................................................86
3.5.29 Channel Status Register (CSR) ............................................................................................87
3.5.30 Processor Load/Store Status Register (PLSSR) ..................................................................88
3.6 Standard System Registers Space ...............................................................................................89
3.6.1 Physical Identifier Register (PIDR) .........................................................................................92
3.6.2 Connectivity Configuration Register (CNFR) ..........................................................................93
3.6.3 Connectivity Reset Register (RSTR) ......................................................................................94
3.6.4 Software Power On Reset Control Register (SPOR) ..............................................................95
3.7 Specific System Registers Space .................................................................................................96
3.7.1 IBM25CPC710AB3A100 & System Control (UCTL) ...............................................................96
3.7.2 Multi-Processor Semaphore (MPSR) ......................................................................................98
3.7.3 System I/O Control (SIOC) .....................................................................................................99
3.7.4 -60x Arbiter Control Register (ABCNTL) ...............................................................................100
3.7.5 CPU Soft Reset Register (SRST) .........................................................................................102
3.7.6 Error Control Register (ERRC) .............................................................................................103
3.7.7 System Error Status Register (SESR) ..................................................................................104
3.7.8 System Error Address Register (SEAR) ...............................................................................106
3.7.9 Chip Programmability Register (PGCHP) .............................................................................107
3.7.10 Free Register 1 (RGBAN1) .................................................................................................109
3.7.11 Free Register 2 (RGBAN2) .................................................................................................110
3.7.12 GPIO Direction Register (GPDIR) .......................................................................................111
3.7.13 GPIO Input Value Register (GPIN) ....................................................................................112
3.7.14 GPIO Output Value Register (GPOUT) ..............................................................................113
3.7.15 Address Transfer Attribute for Snoop Register (ATAS) ......................................................114
3.7.16 Diagnostic Register (AVDG) ...............................................................................................115
3.7.17 Memory Controller Control Register (MCCR) .....................................................................117
3.7.18 Memory Error Status Register (MESR) ...............................................................................119
3.7.19 Memory Error Address Register (MEAR) ............................................................................120
3.7.20 Memory Configuration Extent Registers (MCER[0:7]) ........................................................121