module

Used to disable signals from the FPGA fabric to individual HPS modules.
Module Instance Base Address Register Address
sysmgr 0xFFD08000 0xFFD08028

Offset: 0x28

Access: RW

Important: To prevent indeterminate system behavior, reserved areas of memory must not be accessed by software or hardware. Any area of the memory map that is not explicitly defined as a register space or accessible memory is considered reserved.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Reserved

sdmmc

RW 0x0

Reserved

emac_1

RW 0x0

emac_0

RW 0x0

spim_1

RW 0x0

spim_0

RW 0x0

module Fields

Bit Name Description Access Reset
5 sdmmc

Used to disable signals from the FPGA fabric to the SD/MMC controller module that could potentially interfere with their normal operation.

Value Description
0x0 Signals from FPGA fabric cannot affect operation of the SD/MMC controller module.
0x1 Signals from FPGA fabric can potentially affect operation of the SD/MMC controller module.
RW 0x0
3 emac_1

Used to disable signals from the FPGA fabric to the EMAC modules that could potentially interfere with their normal operation. The array index corresponds to the EMAC module instance.

Value Description
0x0 Signals from FPGA fabric cannot affect operation of the EMAC module.
0x1 Signals from FPGA fabric can potentially affect operation of the EMAC module.
RW 0x0
2 emac_0

Used to disable signals from the FPGA fabric to the EMAC modules that could potentially interfere with their normal operation. The array index corresponds to the EMAC module instance.

Value Description
0x0 Signals from FPGA fabric cannot affect operation of the EMAC module.
0x1 Signals from FPGA fabric can potentially affect operation of the EMAC module.
RW 0x0
1 spim_1

Used to disable signals from the FPGA fabric to the SPI master modules that could potentially interfere with their normal operation.

The array index corresponds to the SPI master module instance.

Value Description
0x0 Signals from FPGA fabric cannot affect operation of the SPI master module.
0x1 Signals from FPGA fabric can potentially affect operation of the SPI master module.
RW 0x0
0 spim_0

Used to disable signals from the FPGA fabric to the SPI master modules that could potentially interfere with their normal operation.

The array index corresponds to the SPI master module instance.

Value Description
0x0 Signals from FPGA fabric cannot affect operation of the SPI master module.
0x1 Signals from FPGA fabric can potentially affect operation of the SPI master module.
RW 0x0