User manual
Table Of Contents
- Zynq-7000 All Programmable SoC
- Table of Contents
- Ch. 1: Introduction
- Ch. 2: Signals, Interfaces, and Pins
- Ch. 3: Application Processing Unit
- Ch. 4: System Addresses
- Ch. 5: Interconnect
- Ch. 6: Boot and Configuration
- Ch. 7: Interrupts
- Ch. 8: Timers
- Ch. 9: DMA Controller
- Introduction
- Functional Description
- DMA Transfers on the AXI Interconnect
- AXI Transaction Considerations
- DMA Manager
- Multi-channel Data FIFO (MFIFO)
- Memory-to-Memory Transfers
- PL Peripheral AXI Transactions
- PL Peripheral Request Interface
- PL Peripheral - Length Managed by PL Peripheral
- PL Peripheral - Length Managed by DMAC
- Events and Interrupts
- Aborts
- Security
- IP Configuration Options
- Programming Guide for DMA Controller
- Programming Guide for DMA Engine
- Programming Restrictions
- System Functions
- I/O Interface
- Ch. 10: DDR Memory Controller
- Introduction
- AXI Memory Port Interface (DDRI)
- DDR Core and Transaction Scheduler (DDRC)
- DDRC Arbitration
- Controller PHY (DDRP)
- Initialization and Calibration
- DDR Clock Initialization
- DDR IOB Impedance Calibration
- DDR IOB Configuration
- DDR Controller Register Programming
- DRAM Reset and Initialization
- DRAM Input Impedance (ODT) Calibration
- DRAM Output Impedance (RON) Calibration
- DRAM Training
- Write Data Eye Adjustment
- Alternatives to Automatic DRAM Training
- DRAM Write Latency Restriction
- Register Overview
- Error Correction Code (ECC)
- Programming Model
- Ch. 11: Static Memory Controller
- Ch. 12: Quad-SPI Flash Controller
- Ch. 13: SD/SDIO Controller
- Ch. 14: General Purpose I/O (GPIO)
- Ch. 15: USB Host, Device, and OTG Controller
- Introduction
- Functional Description
- Programming Overview and Reference
- Device Mode Control
- Device Endpoint Data Structures
- Device Endpoint Packet Operational Model
- Device Endpoint Descriptor Reference
- Programming Guide for Device Controller
- Programming Guide for Device Endpoint Data Structures
- Host Mode Data Structures
- EHCI Implementation
- Host Data Structures Reference
- Programming Guide for Host Controller
- OTG Description and Reference
- System Functions
- I/O Interfaces
- Ch. 16: Gigabit Ethernet Controller
- Ch. 17: SPI Controller
- Ch. 18: CAN Controller
- Ch. 19: UART Controller
- Ch. 20: I2C Controller
- Ch. 21: Programmable Logic Description
- Ch. 22: Programmable Logic Design Guide
- Ch. 23: Programmable Logic Test and Debug
- Ch. 24: Power Management
- Ch. 25: Clocks
- Ch. 26: Reset System
- Ch. 27: JTAG and DAP Subsystem
- Ch. 28: System Test and Debug
- Ch. 29: On-Chip Memory (OCM)
- Ch. 30: XADC Interface
- Ch. 31: PCI Express
- Ch. 32: Device Secure Boot
- Appx. A: Additional Resources
- Appx. B: Register Details
- Overview
- Acronyms
- Module Summary
- AXI_HP Interface (AFI) (axi_hp)
- CAN Controller (can)
- DDR Memory Controller (ddrc)
- CoreSight Cross Trigger Interface (cti)
- Performance Monitor Unit (cortexa9_pmu)
- CoreSight Program Trace Macrocell (ptm)
- Debug Access Port (dap)
- CoreSight Embedded Trace Buffer (etb)
- PL Fabric Trace Monitor (ftm)
- CoreSight Trace Funnel (funnel)
- CoreSight Intstrumentation Trace Macrocell (itm)
- CoreSight Trace Packet Output (tpiu)
- Device Configuration Interface (devcfg)
- DMA Controller (dmac)
- Gigabit Ethernet Controller (GEM)
- General Purpose I/O (gpio)
- Interconnect QoS (qos301)
- NIC301 Address Region Control (nic301_addr_region_ctrl_registers)
- I2C Controller (IIC)
- L2 Cache (L2Cpl310)
- Application Processing Unit (mpcore)
- On-Chip Memory (ocm)
- Quad-SPI Flash Controller (qspi)
- SD Controller (sdio)
- System Level Control Registers (slcr)
- Static Memory Controller (pl353)
- SPI Controller (SPI)
- System Watchdog Timer (swdt)
- Triple Timer Counter (ttc)
- UART Controller (UART)
- USB Controller (usb)

Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 1270
UG585 (v1.11) September 27, 2016
Appendix B: Register Details
B.18 Gigabit Ethernet Controller (GEM)
Register Summary
Module Name Gigabit Ethernet Controller (GEM)
Base Address 0xE000B000 gem0
0xE000C000 gem1
Description Gigabit Ethernet Controller
Vendor Info
Register Name Address Width Type Reset Value Description
net_ctrl
0x00000000 32 mixed 0x00000000 Network Control
net_cfg
0x00000004 32 rw 0x00080000 Network Configuration
net_status
0x00000008 32 ro x Network Status
dma_cfg
0x00000010 32 mixed 0x00020784 DMA Configuration
tx_status
0x00000014 32 mixed 0x00000000 Transmit Status
rx_qbar
0x00000018 32 mixed 0x00000000 Receive Buffer Queue Base
Address
tx_qbar
0x0000001C 32 mixed 0x00000000 Transmit Buffer Queue Base
Address
rx_status
0x00000020 32 mixed 0x00000000 Receive Status
intr_status
0x00000024 32 mixed 0x00000000 Interrupt Status
intr_en
0x00000028 32 wo x Interrupt Enable
intr_dis
0x0000002C 32 wo x Interrupt Disable
intr_mask
0x00000030 32 mixed x Interrupt Mask Status
phy_maint
0x00000034 32 rw 0x00000000 PHY Maintenance
rx_pauseq
0x00000038 32 ro 0x00000000 Received Pause Quantum
tx_pauseq
0x0000003C 32 rw 0x0000FFFF Transmit Pause Quantum
hash_bot
0x00000080 32 rw 0x00000000 Hash Register Bottom [31:0]
hash_top
0x00000084 32 rw 0x00000000 Hash Register Top [63:32]
spec_addr1_bot
0x00000088 32 rw 0x00000000 Specific Address 1 Bottom [31:0]
spec_addr1_top
0x0000008C 32 mixed 0x00000000 Specific Address 1 Top [47:32]
spec_addr2_bot
0x00000090 32 rw 0x00000000 Specific Address 2 Bottom [31:0]
spec_addr2_top
0x00000094 32 mixed 0x00000000 Specific Address 2 Top [47:32]
spec_addr3_bot
0x00000098 32 rw 0x00000000 Specific Address 3 Bottom [31:0]










