Adaptec AIC-6915 manuels

Adaptec AIC-6915 Informations techniques (190 pages)

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Table des matières

AIC-6915

1

© 1998, Adaptec, Inc

2

Electronic Support

4

Technical and Product Support

4

Contents

5

4 PCI Module Architecture

6

7 Register Descriptions

7

8 Sample Driver

7

▼ ▼ ▼ ▼

11

Introduction

15

Ethernet

16

Internal Buffer Management

17

32/64-bit PCI

17

Block Diagram

19

Receive Architecture

21

Producer and Consumer Indices

22

Receive DMA Descriptor Queues

22

Normal Mode

23

Polling Mode

23

32-bit Addressing Mode

24

64-bit Addressing Mode

24

Accepting frames

25

Start Index

26

Transmit Architecture

31

CALTCP bit to zero in the

32

Transmit Data Structure

34

Transmit Register Set

35

PCI Module Architecture

43

PCI Block Diagram

45

PCI Master Module

46

64-bit PCI Bus Master

47

Arbitration

48

Power Management

50

Retry Function

51

Response to PCI Commands

51

Configuration Address Space

53

Expansion ROM Address Space

54

Memory Address Space

54

Illegal Behavior

56

Frame Processor Architecture

57

Wake-up Mode

58

Transmit Checksum Accelerator

58

GFP Address Space

59

External Registers

60

Instruction Formats

62

AIC-6915 Internal Registers

67

AIC-6915 Address Space

74

AIC-6915 PCI Address Map

74

Terminology

76

PCI Registers

77

Byte Address: 04h - 05h

78

2:0 r 0 AddressSpaceIndicator

84

Byte Address: 34h

86

Byte Address: 3Ch

86

Byte Address: 3Fh

88

Byte Address: 40h - 43h

89

Byte Address: 54h - 57h

95

Ethernet Registers

99

Type: R/W

100

Byte Address: 74h - 77h

100

Register Descriptions

101

Transmit Registers

109

OMPLETION

115

Byte Address: BCh - BFh

116

Byte Address: C0h - C3h

117

Receive Registers

120

Byte Address: F8h- FBh

130

PCI Diagnostic Registers

131

Byte Address: 0104h - 0107h

132

Byte Address: 011Ch - 011Fh

136

PCI CardBus Registers

138

Byte Address: 013Ch - 013Fh

140

Additional Ethernet Registers

141

MAC Control Registers

143

Byte Address: 5004h- 5007h

145

Byte Address: 5070h - 5073h

152

Address Filtering Registers

154

MAC Statistic Registers

156

Sample Driver

161

// configuration space

163

Receive Process

167

Type 2 Completion Descriptor

168

Type 3 Completion Descriptor

168

32-bit buffer descriptor

168

64-bit buffer descriptor

168

Two Receive Queues

169

Receive Polling Model

169

Receive Initialization

169

Receive Interrupt Handling

175

Transmit Process

176

Type 0 descriptor

178

Type 1 descriptor

178

Two Transmit Queues

180

Transmit Initialization

181

Transmit Handling

185

AIC-6915 DDK Features

189

DDK Development Environment

190

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