Register; Led Control Register; Table 31 Led Control Register - Motorola PPC/CPCI-690 Reference Manual

Register

Register

LED Control Register

6 - 10
The board provides a set of 8-bit wide board-specific registers. The registers
can be used by software to read board-specific status and configuration
data. Software can also write to some registers to generate a software reset
or to set the two user LEDs.
The board provides two bicolored (red/green) LEDs and a hot-swap LED.
The bicolored LEDs can be configured as user LEDs or as hardware LED to
display active reset or Ethernet 1, 2 and 3 link activity.
Note: If the board is plugged into a PSB backplane without PCI bus,
opening the handle generates an EJECT_INT# interrupt which indicates
that the board is to be removed from the backplane. Therefore, bit 6 has
to be set to 1.
Table 31: LED Control Register
Base Address: F0000000
Bit Signal
1..0 USER_LED1
3..2 USER_LED2
5..4 ETH_LEDx
6 HS_LED
Offset: 00
16 16
Description
Controls User LED 1
00: OFF
01: Green
10: Red
11: Reset LED (default)
Controls User LED 2
00: OFF
01: Green
10: Red
11: Ethernet LED (default)
Controls Ethernet LED
00: Ethernet 1(default)
01: Ethernet 2
10: Ethernet 3
11: Reserved
Controls blue hot-swap LED.
0: OFF (default)
1: Blue
Maps and Registers
Access
r/w
r/w
r/w
r/w
PPC/CPCI-690