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2.3.Core Modules

Philips Semiconductors

ISP1362 Linux Stack User’s Guide

2.3.Core Modules

2.3.1.Host Stack

The host stack consists of the Host Controller Driver (HCD) module. The driver is used for data transfer on the USB bus for the connected devices. This driver can work in parallel with other HCDs (OHCI HCD, UHCI HCD, EHCI HCD) present in the kernel. This is a kernel module and the Linux OS has support for USB, connected USB device class drivers and suitable applications.

	Mass Storage disk	OTG Mass storage demo/	Linux operating system
	Mass Storage disk	OTG tools	Linux operating system
	emulation	OTG tools
	emulation
		Linux File System
			Linux kernel
	Mass Storage bridge		basic device drivers
	Mass Storage class driver		USB class drivers
		OTG driver
	USB protocol driver		USB core
	Device Controller Driver		Host Controller Driver
		ISP1362 Hardware Access Layer Driver

ISP1362 stack core modules

ISP1362 application modules

Linux kernel drivers ISP1362 porting modules

ISP1362 Hardware

Figure 2-1: ISP1362 Linux Stack Architecture

2.3.2.Device Stack

The device stack consists of the Device Controller Driver (DCD), the USB protocol driver, and the mass storage class driver. The DCD is responsible for data transfer over the USB bus. The USB protocol driver responds to the standard USB protocol requests. The mass storage class driver adds the mass storage functionality to the USB device, and responds to the mass storage class commands and protocol. The mass storage needs to interface with the physical mass storage device to perform its operations, and the physical disk is customer platform-specific and

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Philips manual Core Modules, Philips Semiconductors, ISP1362 Linux Stack User’s Guide, Rev. 1.2—July2003, 7 of

Contents

Revision History UM10012_2 ISP1362 Linux StackUser’s Guide Rev. JulyUser’s Guide DISCLAIMERPhilips Semiconductors ISP1362 Linux Stack User’s Guide2.3.3 CONTENTS2.3.1 2.3.26.2.1 Philips Semiconductors5.1.1 5.1.2User’s Guide FiguresTables Philips Semiconductors1.2.Scope 1. Introduction2. Concept 1.1.PurposeUser’s Guide 2.3.Core ModulesPhilips Semiconductors ISP1362 Linux Stack User’s GuidePhilips Semiconductors 3. Installation2.4.Application Modules 2.5.Porting ModulesUser’s Guide 3.1.ISP1362 PCI Evaluation KitPhilips Semiconductors ISP1362 Linux Stack User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideISP1362 Linux Stack User’s Guide 3.2.1.Setting Up the ISP1362 Add-OnCard3.2.2.Host PC Setup Philips SemiconductorsUser’s Guide Philips SemiconductorsISP1362 Linux Stack User’s Guide #tar Ixvf arm-linux-gcc2953.tar.bz2User’s Guide 3.2.3.Accelent IDP Rev 04 Target SetupPhilips Semiconductors ISP1362 Linux Stack User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideISP1362 Linux Stack User’s Guide 3.3.1.Setting Up the ISP1362 Add-OnCard3.3.2.Host PC Setup Philips SemiconductorsUser’s Guide Philips SemiconductorsISP1362 Linux Stack User’s Guide arm_toolchaintar.bz2Rev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideUser’s Guide 3.3.3.Accelent IDP SetupPhilips Semiconductors ISP1362 Linux Stack User’s GuideISP1362 Linux Stack User’s Guide 4.Operating the ISP1362 Linux Stack4.1.ISP1362 PCI Evaluation Kit Philips Semiconductors20 of 4.1.2.Unloading the StackUser’s Guide Rev. 1.2—July20034.3.2.Loading the Stack 4.4.ISP1362 Host StackPhilips Semiconductors ISP1362 Linux Stack User’s GuideUser’s Guide 4.5.ISP1362 Device StackPhilips Semiconductors ISP1362 Linux Stack User’s GuideUser’s Guide 4.6.ISP1362 OTG StackPhilips Semiconductors ISP1362 Linux Stack User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideRev. 1.2—July2003 Philips SemiconductorsISP1362 Linux Stack User’s Guide User’s GuideISP1362 Linux Stack User’s Guide 5. Configuration5.1.Compilation Flags Philips Semiconductors6.3.device 6. Inside the ISP1362 Linux Stack6.1.Top-LevelDirectory 6.2.hostUser’s Guide 6.4.otgPhilips Semiconductors ISP1362 Linux Stack User’s GuideISP1362 Linux Stack User’s Guide 6.5.hal6.6.appl Philips SemiconductorsPhilips Semiconductors 7. References6.7.objs •Universal Serial Bus Specification Rev.Koninklijke Philips Electronics N.V. Philips Semiconductors