BSP Developer's Guide

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VxWorks 5.5 BSP Developer’s Guide initializing the SCSI subsystem for this BSP. */ #ifdef INCLUDE_SCSI /* external inclusions */ #include "drv/scsi/xxx.h" #include "tapeFsLib.h" /**************************************************************************** * * sysScsiInit - initialize XXX SCSI chip * * This routine creates and initializes an SIOP structure, enabling use of the * on-board SCSI port. It also connects the proper interrupt service routine * to the desired vector, and enables the interrupt at the desired level. * * RETURNS: OK, or ERROR if the control structure is not created or the * interrupt service routine cannot be connected to the interrupt. */ STATUS sysScsiInit () { /* perform preliminary board specific hardware initializations */ /* Create the SCSI controller */ if ((pSysScsiCtrl = (SCSI_CTRL *) xxxCtrlCreate ( (UINT8 *) SCSI_BASE_ADRS, (UINT) XXX_40MHZ, devType { return (ERROR); } )) == NULL) /* connect the SCSI controller's interrupt service routine */ if (intConnect (INUM_TO_IVEC (SCSI_INT_VEC), xxxIntr, (int) pSysScsiCtrl) == ERROR) { return (ERROR); } /* Enable SCSI interrupts */ intEnable (SCSI_INT_LVL); /* initialize SCSI controller with default parameters (user tuneable) */ if (xxxCtrlInit ((XXX_SCSI_CTRL *)pSysScsiCtrl, SCSI_DEF_CTRL_BUS_ID) == ERROR) 358
I Writing a SCSI-2 Device Driver return (ERROR); #if (USER_D_CACHE_MODE & CACHE_SNOOP_ENABLE) #else #endif scsiCacheSnoopEnable ((SCSI_CTRL *) pSysScsiCtrl); scsiCacheSnoopDisable ((SCSI_CTRL *) pSysScsiCtrl); /* Set the appropriate board specific hardware registers for the SIOP */ if (xxxSetHwRegister ((XXX_SCSI_CTRL *)pSysScsiCtrl, &hwRegs) == ERROR) return(ERROR); /* Include tape support if configured in config.h */ #ifdef INCLUDE_TAPEFS tapeFsInit (); /* initialize tapeFs */ #endif /* INCLUDE_TAPEFS */ return (OK); } I.6 Guidelines for Developing a SCSI Driver This section provides useful tips on how to develop a new SCSI controller. Breaking the project up into small easily managed steps is generally the best approach. 1. Understand the template drivers and the interfaces with the SCSI libraries. 2. Copy the template driver into your new driver directory. Replace the variable routine and macro names with your chosen driver name (for example, xxxShow( ) might become myDriverShow( )). 3. Make sure that the interrupt mechanism is working correctly so that upon getting a SCSI interrupt, the driver’s ISR is invoked. A good method to ensure that the ISR is invoked is to write to a well known location in memory or NVRAM so that upon re-initialization of the board the developer can tell that the ISR was entered. Getting the ISR to work is a major milestone. I 359
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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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Page 383 and 384: J BSP Validation Test Suite Referen
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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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