BSP Developer's Guide

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VxWorks 5.5 <strong>BSP</strong> Developer’s <strong>Guide</strong> Example I-2 Template: Advanced Controller Driver /* xxxLib.c - XXX SCSI I/O Processor (SIOP) library */ /* Copyright 1989-1996 Wind River Systems, Inc. */ #include "copyright_wrs.h" /* modification history -------------------- 01g,19aug96,dds written */ /* DESCRIPTION This is the I/O driver for the XXX SCSI I/O Processor (SIOP). It is designed to work with scsiLib and scsi2Lib. This driver runs in conjunction with a script program for the XXX controller. These scripts use DMA transfers for all data, messages and status. This driver supports cache functions through scsi2Lib. USER-CALLABLE ROUTINES Most of the routines in this driver are accessible only through the I/O system. The following routines must be called directly: xxxCtrlCreate() to create a controller structure, and xxxCtrlInit() to initialize it. The XXX SCSI Controller's hardware registers need to be configured according to the hardware implementation. If the default configuration is not proper, the routine xxxSetHwRegister() should be used to properly configure the registers. INTERNAL This driver supports multiple initiators, disconnect/reconnect, tagged command queueing, synchronous data transfer and wide data transfer protocols. In general, the SCSI system and this driver automatically choose the best combination of these features to suit the target devices used. However, the default choices may be over-ridden by using the function "scsiTargetOptionsSet()" (see scsi2Lib). There are debug variables to trace events in the driver. scsiLib debug variable, trace event in scsiLib, xxxScsiPhase(), and xxxTransact(). prints interrupt informations. INCLUDE FILES xxx.h, xxxScript.h and scsiLib.h */ #define INCLUDE_SCSI2 #include "vxWorks.h" #include "memLib.h" #include "ctype.h" #include "stdlib.h" #include "string.h" #include "stdio.h" #include "logLib.h" 338
I Writing a SCSI-2 Device Driver #include "semLib.h" #include "intLib.h" #include "errnoLib.h" #include "cacheLib.h" #include "taskLib.h" #include "drv/scsi/xxx.h" #include "drv/scsi/xxxScript.h" /* defines */ typedef XXX_SCSI_CTRL SIOP; /* Configurable options */ int xxxSingleStepSemOptions = SEM_Q_PRIORITY; char *xxxScsiTaskName = SCSI_DEF_TASK_NAME; int xxxScsiTaskOptions = SCSI_DEF_TASK_OPTIONS; int xxxScsiTaskPriority = SCSI_DEF_TASK_PRIORITY; int xxxScsiTaskStackSize = SCSI_DEF_TASK_STACK_SIZE; /*************************************************************************** * * xxxCtrlCreate - create a control structure for the XXX SCSI controller * * This routine creates a SCSI controller data structure and must be called * before using a SCSI controller chip. It should be called once and only * once for a specified SCSI controller. Since it allocates memory * for a structure needed by all routines in xxxLib, it must be called before * any other routines in the library. After calling this routine, * xxxCtrlInit() should be called at least once before any SCSI transactions * are initiated using the SCSI controller. * * RETURNS: A pointer to XXX_SCSI_CTRL structure, or NULL if memory * is unavailable or there are invalid parameters. */ XXX_SCSI_CTRL *xxxCtrlCreate ( UINT8 *baseAdrs, /* base address of the SCSI controller */ UINT clkPeriod, /* clock controller period (nsec*100) */ UINT16 devType /* XXX SCSI device type */ ) I { FAST SIOP *pSiop; /* ptr to SCSI controller info */ /* check that dma buffers are cache-coherent */ /* cacheDmaMalloc the controller structure and other driver structures */ pScsiCtrl = (SCSI_CTRL *) pSiop; /* inform the SCSI libraries about the size of an XXX event and thread */ pScsiCtrl->eventSize = sizeof (XXX_EVENT); pScsiCtrl->threadSize = sizeof (XXX_THREAD); 339
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VxWorks® 5.5 BSP DEVELOPER’S GUI
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1 Overview ........................
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Contents 1 Overview ...............
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Contents 3.6.5 Cache, MMU, and DMA
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Contents Memory-Mapped Chips ......
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Contents 7.3.3 System Configuration
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Contents 9.5.4 Processing .........
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Contents F Generic Drivers ........
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Contents Stopping the Driver Withou
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1 Overview 1.1 Introduction One str
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1 Overview ■ New Drivers Many new
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1 Overview Included with Tornado (n
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1 Overview ■ ■ ■ ■ ■ ■
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1 Overview Table 1-1 Font Usage for
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2 BSP Organization 2.1 Introduction
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2 BSP Organization Files in the tar
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2 BSP Organization Files in the tar
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2 BSP Organization Version 1.0 BSPs
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2 BSP Organization SM_MEM_SIZE The
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2 BSP Organization For boards witho
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2 BSP Organization PCI_MSTR_IO_LOCA
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2 BSP Organization The entry point
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2 BSP Organization target.nr The fi
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2 BSP Organization bootrom This fil
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2 BSP Organization sysSerialHwInit(
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2 BSP Organization The Motorola M68
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2 BSP Organization Many VxWorks fac
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2 BSP Organization further board in
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2 BSP Organization can have very un
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3 Creating a New BSP 3.1 Introducti
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3 Creating a New BSP 3.2 Setting Up
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3 Creating a New BSP Makefile At a
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3 Creating a New BSP char * sysBspR
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3 Creating a New BSP ... #endif } T
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3 Creating a New BSP int dummy; ...
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3 Creating a New BSP To find the so
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3 Creating a New BSP might want to
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3 Creating a New BSP not, use the s
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3 Creating a New BSP ■ It has a V
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3 Creating a New BSP 3.6.7 SCSI VxW
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4 Hardware Guidelines 4.1 Introduct
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4 Hardware Guidelines to the start
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4 Hardware Guidelines Higher-level
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4 Hardware Guidelines Such dedicate
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4 Hardware Guidelines Especially us
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4 Hardware Guidelines selected from
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4 Hardware Guidelines Hardware Inte
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4 Hardware Guidelines The rest of t
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4 Hardware Guidelines 4.4.2 System
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4 Hardware Guidelines only deal wit
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4 Hardware Guidelines 4.4.13 Parall
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4 Hardware Guidelines 0x10000, /* 6
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4 Hardware Guidelines The following
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5 Driver Guidelines 5.1 Introductio
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5 Driver Guidelines Maintenance and
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5 Driver Guidelines word addresses.
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5 Driver Guidelines 5.4 Design Guid
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5 Driver Guidelines Per-Device Data
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5 Driver Guidelines To fix this sit
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5 Driver Guidelines block are more
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5 Driver Guidelines 5.8 Driver Use
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5 Driver Guidelines ■ ■ Memory
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5 Driver Guidelines The level of ca
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5 Driver Guidelines cache for the d
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6 Components 6.1 Introduction Torna
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6 Components 6.2 Component Descript
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6 Components ■ User Presentation.
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6 Components Folder FOLDER_ANSI { N
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6 Components in a single project. I
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6 Components The component object i
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6 Components Parameters Parameters
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6 Components In the example, the co
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6 Components (2) comps/vxWorks/arch
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6 Components Figure 6-4 Include Com
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6 Components NOTE: INIT_BEFORE only
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6 Components The _CHILDREN property
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6 Components ! CAUTION: Do not alte
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6 Components ■ Check the Project
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7 Validation Testing 7.1 Introducti
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7 Validation Testing ■ ■ The te
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7 Validation Testing 2. The script
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7 Validation Testing Figure 7-4 Typ
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7 Validation Testing NOTE: Wind Riv
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7 Validation Testing scsi Requires
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7 Validation Testing Table 7-1 Vali
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7 Validation Testing Table 7-2 Vali
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7 Validation Testing sysProcNumGet
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7 Validation Testing The log file c
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8 Writing Portable C Code This chap
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8 Writing Portable C Code attribute
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8 Writing Portable C Code 8.1.3 Sta
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8 Writing Portable C Code 8.1.5 Oth
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8 Writing Portable C Code The last
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8 Writing Portable C Code Always sp
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8 Writing Portable C Code 8.2 Tool
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9 Documentation Guidelines 9.1 Intr
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9 Documentation Guidelines Spelling
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines Table 9-
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9 Documentation Guidelines ■ Avoi
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9 Documentation Guidelines ■ ■
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9 Documentation Guidelines INCLUDE
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9 Documentation Guidelines INTRODUC
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9 Documentation Guidelines 9.5 Gene
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9 Documentation Guidelines uppercas
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9 Documentation Guidelines The foll
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10 Product Packaging 10.1 SETUP Dev
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10 Product Packaging ... include $(
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10 Product Packaging Vendor-Supplie
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10 Product Packaging in the project
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A Upgrading a BSP for Tornado 2.0 T
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A Upgrading a BSP for Tornado 2.0 A
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A Upgrading a BSP for Tornado 2.0
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A Upgrading a BSP for Tornado 2.0 6
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B Upgrading a BSP for Tornado 2.2 T
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B Upgrading a BSP for Tornado 2.2 C
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B Upgrading a BSP for Tornado 2.2
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B Upgrading a BSP for Tornado 2.2 c
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B Upgrading a BSP for Tornado 2.2
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C Upgrading a BSP for the VxWorks N
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D VxWorks Boot Sequence Table D-1 d
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D VxWorks Boot Sequence Table D-1 V
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E Component Language E.1 Component
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E Component Language REQUIRES r1 r2
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E Component Language } // default i
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E Component Language FOLDER_WINDVIE
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E Component Language initialization
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E Component Language INCLUDE_MMU_BA
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E Component Language INCLUDE_NETWOR
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E Component Language INCLUDE_WDB_ME
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F Generic Drivers F.1 Introduction
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F Generic Drivers CONSOLE_TTY This
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F Generic Drivers Define SIO_CALLBA
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F Generic Drivers NV_RAM_SIZE Defin
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F Generic Drivers F.10 PCI Bus The
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G Upgrading 4.3 BSD Network Drivers
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H Implementing a MUX-Based Network
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J BSP Validation Test Suite Referen
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K BSP Validation Checklists This ap
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K BSP Validation Checklists BSP Val
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K BSP Validation Checklists 7. Veri
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K BSP Validation Checklists 2. If t
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K BSP Validation Checklists Validat
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K BSP Validation Checklists Manufac
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K BSP Validation Checklists Manufac
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L Refgen NOTE: In Tornado 1.0.1 and
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L Refgen * SYNOPSIS * \cs * void xx
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L Refgen Yields output approximatel
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L Refgen EXAMPLE INCLUDES SEE ALSO
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M BSP Product Contents When you are
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M BSP Product Contents Do not inclu
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Index A abort button 82 addressing
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Index clocks see also individual cl
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Index naming conventions 95 perform
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Index INCLUDE_USR_APPL 38 INCLUDE_V
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Index network drivers 58 network in
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Index scsiCtrlLib 324 scsiDirectLib
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Index testing, validation 139-158 s
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