MVME5100 Single Board Computer Programmer's Reference Guide

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3 System Memory Controller (SMC) Error Reporting The SMC checks data from the SDRAM during single- and four-beat reads, during single-beat writes, and during scrubs. Table 3-2 shows the actions it takes for different errors during these accesses 60x. Note that the SMC does not assert TEA_ on double-bit errors. In fact, the SMC does not have a TEA_ signal pin and it assumes that the system does not implement TEA_. The SMC can, however, assert machine check (MCHK0_) on double-bit error. Table 3-2. Error Reporting Error Type Single-Beat/Four- Single-Beat Write Four-Beat Write Scrub Beat Read Single-Bit Error Double-Bit Error Triple- (or greater) Bit Error Terminate the PPC60x bus cycle normally. Provide corrected data to the PPC60x bus master. Assert Hawk’s internal error interrupt, if so enabled. 2 Terminate the PPC60x bus cycle normally. Provide miss-corrected, raw SDRAM data to the PPC60x60x bus master. Assert Hawk’s internal error interrupt, if so enabled. 2 Assert MCHK0_ if so enabled. Terminate the PPC60x bus cycle normally. Correct the data read from SDRAM, merge with the write data, and write the corrected, merged data to SDRAM. Assert Hawk’s internal error interrupt, if so enabled. 2 Terminate the PPC60x bus cycle normally. Do not perform the write portion of the read-modify-write cycle to SDRAM. Assert Hawk’s internal error interrupt, if so enabled. 2 Assert MCHK0_ if so enabled. 3-12 Computer Group Literature Center Web Site N/A 1 N/A 1 This cycle is not seen on the PPC60x bus. Write corrected data back to SDRAM if so enabled. Assert Hawk’s internal error interrupt, if so enabled. 2 This cycle is not seen on the PPC60x bus. Do not perform the write portion of the read-modify-write cycle to SDRAM. Assert Hawk’s internal error interrupt if so enabled. 2 Some of these errors are detected correctly and are treated the same as double-bit errors. The rest could show up as “no error” or “single-bit error”, both of which are incorrect.
Error Logging Functional Description Notes 1. No opportunity for error since no read of SDRAM occurs during a four-beat write. 2. The SMC asserts Hawk’s internal error interrupt output upon detecting an interrupt-qualified error condition. The potential sources of Hawk’s internal error interrupt assertion are single-bit error, multiple-bit error, and single-bit error counter overflow. ECC error logging is facilitated by the SMC because of its internal latches. When an error (single- or double-bit) occurs, the SMC records the address and syndrome bits associated with the data in error. Once the error logger has logged an error, it does not log any more until the elog control /status bit has been cleared by software, unless the currently logged error is single-bit and a new, double-bit error is encountered. The logging of errors that occur during scrub can be enabled/disabled in software. Refer to the Error Logger Register section in this chapter for more information. http://www.motorola.com/computer/literature 3-13 3
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MVME5100 Single Board Computer Prog
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Safety Summary The following genera
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CE Notice (European Community) Moto
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Contents About This Manual Summary
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PCI Slave .........................
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Spurious Vector Register...........
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Address Parity Error Log Register .
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List of Figures Figure 1-1. MVME510
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xviii Table 2-13. Address Modificat
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About This Manual The MVME5100 Sing
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Part Number Description MVME761-011
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8259 Interrupts, and a description
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In this manual, assertion and negat
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1 Product Data and Memory Maps Main
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1 Product Data and Memory Maps Memo
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1 Product Data and Memory Maps Tabl
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1 Product Data and Memory Maps PCI
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1 Product Data and Memory Maps L2 C
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1 Product Data and Memory Maps conn
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1 Product Data and Memory Maps to i
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1 Product Data and Memory Maps Requ
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1 Product Data and Memory Maps PROC
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1 Product Data and Memory Maps The
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1 Product Data and Memory Maps Tabl
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1 Product Data and Memory Maps Stat
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1 Product Data and Memory Maps MODR
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1 Product Data and Memory Maps NVRA
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1 Product Data and Memory Maps Geog
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1 Product Data and Memory Maps Boar
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1 Product Data and Memory Maps IPMC
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1 Product Data and Memory Maps Z853
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1 Product Data and Memory Maps IDRE
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2Hawk PCI Host Bridge & Multi- Proc
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Block Diagram PCI Bus MPIC Interfac
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PPC Bus Interface Functional Descri
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PPC Slave Functional Description Ea
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PPC FIFO PPC Transfer Type Transfer
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Functional Description Table 2-2. P
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Table 2-4. PPC Master Read Ahead Op
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PPC Arbiter Pin Name Functional Des
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PPC Parity Functional Description T
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PCI Bus Interface PCI Address Mappi
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Functional Description Each map dec
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Command Types: Functional Descripti
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Fast Back-to-Back Transactions Func
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Functional Description It should be
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Functional Description The PCI Mast
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. Figure 2-6. PCI Spread I/O Addres
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Functional Description The device t
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Functional Description The Hawk’s
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Functional Description Notes 1. “
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. DH07-00 DH15-08 DH23-16 DH31-24 F
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Error Handling Functional Descripti
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Functional Description When not bei
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Functional Description PPC1-Bug>md
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Functional Description From the per
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Functional Description ❏ Write po
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Multi-Processor Interrupt Controlle
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CSR’s Readability Multi-Processor
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Interprocessor Interrupts (IPI) 825
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Program Visible Registers Multi-Pro
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Reset State Multi-Processor Interru
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EOI Register Multi-Processor Interr
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Registers Registers This section pr
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Bit ---> Table 2-16. PPC Register M
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General Control-Status/Feature Regi
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PPC Arbiter/PCI Arbiter Control Reg
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Registers PRKx Parking. This field
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Hardware Control-Status/Prescaler A
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PPC Error Test/Error Enable Registe
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Registers XBTOI PPC Address Bus Tim
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Registers PPER PCI Parity Error. Th
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PPC Error Attribute Register Regist
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PCI Interrupt Acknowledge Register
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Page 159 and 160: The fields within XSADD3 are define
Page 161 and 162: Registers KEY Key. This field is us
Page 163 and 164: PPC6-Bug>mw feff0068 aa88;h Effecti
Page 165 and 166: PCI Registers 3 1 3 0 2 9 2 8 2 7 2
Page 167 and 168: PCI Command/ Status Registers Regis
Page 169 and 170: Revision ID/ Class Code Registers O
Page 171 and 172: The MPIC Memory Base Address Regist
Page 173 and 174: Registers INV Invalidate Enable. If
Page 175 and 176: Conceptual perspective from the PCI
Page 177 and 178: Registers CONFIG_DATA Register The
Page 179 and 180: 3 1 3 0 2 9 2 8 2 7 2 6 2 5 Table 2
Page 181 and 182: 3 1 3 0 2 9 2 8 2 7 Feature Reporti
Page 183 and 184: Registers M CASCADE MODE. Allows ca
Page 185 and 186: IPI Vector/Priority Registers Offse
Page 187 and 188: Timer Current Count Registers Offse
Page 189 and 190: Timer Vector/Priority Registers Off
Page 191 and 192: Registers MASK MASK. Setting this b
Page 193 and 194: Hawk Internal Error Interrupt Vecto
Page 195 and 196: Current Task Priority Registers Off
Page 197 and 198: 3System Memory Controller (SMC) Int
Page 199 and 200: PowerPC Side D[0:63] DP[0:7] Correc
Page 201 and 202: Figure 3-4. Hawk’s System Memory
Page 203 and 204: Page Holding SDRAM Speeds Functiona
Page 205 and 206: SDRAM Organization Functional Descr
Page 207: Cache Coherency Functional Descript
Page 211 and 212: Functional Description When the wid
Page 213 and 214: Table 3-4. PPC60x to ROM/Flash (64
Page 215 and 216: ROM/Flash Speeds ACCESS TYPE Functi
Page 217 and 218: ACCESS TYPE Functional Description
Page 219 and 220: I 2 C Byte Write Functional Descrip
Page 221 and 222: I 2 C Random Read Functional Descri
Page 223 and 224: I 2 C Current Address Read Function
Page 225 and 226: I 2 C Page Write Functional Descrip
Page 227 and 228: I 2 C Sequential Read Functional De
Page 229 and 230: SDA START DEVICE ADDR M S B BEGIN R
Page 231 and 232: Chip Configuration Programming Mode
Page 233 and 234: FEF80070 DPE_A FEF80078 DPE_DH FEF8
Page 235 and 236: Vendor/Device Register Address $FEF
Page 237 and 238: SDRAM Enable and Size Register (Blo
Page 239 and 240: SDRAM Base Address Register (Blocks
Page 241 and 242: drr value Programming Model us (64
Page 243 and 244: Normal View of Data (rwcb=0) Check-
Page 245 and 246: ! Caution Programming Model sien Wh
Page 247 and 248: Programming Model esbt esbt is set
Page 249 and 250: Scrub Address Register Programming
Page 251 and 252: Programming Model each half of the
Page 253 and 254: ROM B Base/Size Register Address Bi
Page 255 and 256: ROM Speed Attributes Registers Prog
Page 257 and 258: Data Parity Error Log Register Addr
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Data Parity Error Lower Data Regist
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I 2 C Status Register Programming M
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I 2 C Receiver Data Register Addres
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SDRAM Speed Attributes Register Pro
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Programming Model swr_dpl swr_dpl c
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32-Bit Counter Address $FEF80100 Bi
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Software Considerations When the tb
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SDRAM Size I 2 C EEPROMs Software C
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Software Considerations c. If a CAS
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Software Considerations Notes 1. Us
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Software Considerations 8. Now that
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2. For each of the Blocks A through
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ECC Codes ECC Codes When the Hawk r
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4Hawk Programming Details Introduct
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8259 Interrupts PRI PSIO IRQ Input
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Exceptions Sources of Reset Soft Re
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Endian Issues Hawk Endian Issues Th
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Processor/Memory Domain MPIC’s In
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A Manufacturers’ Documents Manufa
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A Related Specifications Related Sp
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B MVME5100 VPD Reference Informatio
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C Introduction The MVME2700 board,
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Numerics 32-Bit Counter 3-73 SMC 3-
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E ECC Codes Hawk 3-87 SMC 3-11 ECC
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L L2 Cache 1-1, 1-9 L2 Cache SRAM S
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devices, when Big-Endian 2-38 Maste
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om_a_rv and rom_b_rv encoding 3-55
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VME Processor Module MVME510x 1-1 V
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MVME5100 Single Board Computer Programmer's Reference Guide

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