GATEWORKS AVILA GW2345, Руководство по эксплуатации

Страница: 10 / 22

Avila Network Computer Operating Manual
10 of 22
2.2. PCI Device Mapping
The GW2345 PCI device mapping is listed below.
Bus
Number
Device
Number
Fcn
Number
IRQ
Number
Description
00 01 0 28 Mini-PCI Slot (J3)
00 02 0 27 Mini-PCI Slot (J1)
00 03 0 26 Mini-PCI Slot (J4)
00 04 0 25 Mini-PCI Slot (J2)
PCI Device Map
2.3. Interrupt Mapping
The IXP42X processor allows for 32 interrupts which originate from either internal
processor blocks or from the 14 dedicated GPIO pins. The interrupt mapping is
shown below.
Interrupt Function
0 WAN/HSS NPE – Not Used
1 Ethernet NPE A
2 Ethernet NPE B
3 Queue Manager (1-32)
4 Queue Manager (33-64)
5 General Purpose Timer 0
6 GPIO(0)
7 GPIO(1)
8
PCI Interrupt - Not Used
9 PCI DMA Channel 1
10 PCI DMA Channel 2
11 General Purpose Timer 1
12 USB
13 Console
UART
14 Timestamp Timer
15 High-Speed UART - Not Used
16 Watchdog Timer
17 Performance Monitoring Unit
18 XScale PMU
19 GPIO(2)
20
GPIO(3) - Shared with Status LED
21 GPIO(4)
22
GPIO(5) - Reserved
23 GPIO(6) - Reserved (I2C Bus SCL)
24 GPIO(7) - Reserved (I2C Bus SDA)
25 GPIO(8) – Mini-PCI Slot
J2 - INTA
J4 – INTB
26 GPIO(9) – Mini-PCI Slot
J4 - INTA