ADRV904X HDL reference design

The ADRV904X is a highly integrated, system on chip (SoC) radio frequency (RF) agile transceiver with integrated digital front end (DFE). The SoC contains eight transmitters, two observation receivers for monitoring transmitter channels, eight receivers, integrated LO and clock synthesizers, and digital signal processing functions. The SoC meets the high radio performance and low power consumption demanded by cellular infrastructure applications including small cell basestation radios, macro 3G/4G/5G systems, and massive MIMO base stations.

Supported devices

Supported boards

Supported carriers

Evaluation board

Carrier

FMC slot

EVAL-ADRV904X

ZCU102

FMC HPC0

Block design

Block diagram

The data path and clock domains are depicted in the below diagrams:

Example block design for JESD204B @245.76 MSPS

ADRV904X JESD204B SampleRate=245MSPS block diagram

Block name

IP name

Documentation

Additional info

AXI_ADXCVR

axi_adxcvr

AXI ADXCVR

2 instances, one for Rx and one for Tx

AXI_CLKGEN

axi_clkgen

AXI CLK Generator

2 instances, one for Rx and one for Tx

AXI_DMAC

axi_dmac

AXI DMAC

2 instances, one for Rx and one for Tx

DATA_OFFLOAD

data_offload

Data Offload

2 instances, one for Rx and one for Tx

RX JESD LINK

axi_adrv904x_rx_jesd

JESD204B/C Link Receive Peripheral

Instantiaded by adi_axi_jesd204_rx_create procedure

RX JESD TPL

rx_adrv904x_tpl_core

ADC JESD204B/C Transport Peripheral

Instantiated by adi_tpl_jesd204_rx_create procedure

TX JESD LINK

axi_adrv904x_tx_jesd

JESD204B/C Link Transmit Peripheral

Instantiaded by adi_axi_jesd204_tx_create procedure

TX JESD TPL

tx_adrv904x_tpl_core

DAC JESD204B/C Transport Peripheral

Instantiated by adi_tpl_jesd204_tx_create procedure

UTIL_UPACK

util_upack2

Channel UPACK Utility

—

UTIL_CPACK

util_cpack2

Channel CPACK Utility

—

The Rx links (ADC Path) operate with the following parameters:

  • Rx Deframer parameters: L=8, M=16, F=4, S=1, NP=16, N=16

  • Sample Rate: 245.76 MSPS

  • Dual link: No

  • RX_DEVICE_CLK: 245.76 MHz (Lane Rate/40)

  • REF_CLK: 245.76 MHz (Lane Rate/40)

  • JESD204B Lane Rate: 9.83 Gbps

  • CPLL

The Tx links (DAC Path) operate with the following parameters:

  • Tx Deframer parameters: L=8, M=16, F=4, S=1, NP=16, N=16

  • Sample Rate: 245.76 MSPS

  • Dual link: No

  • TX_DEVICE_CLK: 245.76 MHz (Lane Rate/40)

  • REF_CLK: 245.76 MHz (Lane Rate/40)

  • JESD204B Lane Rate: 9.83 Gbps

  • QPLL0

Example block design for JESD204B @122.88 MSPS

ADRV904X JESD204B SampleRate=122MSPS block diagram

Block name

IP name

Documentation

Additional info

AXI_ADXCVR

axi_adxcvr

AXI ADXCVR

2 instances, one for Rx and one for Tx

AXI_CLKGEN

axi_clkgen

AXI CLK Generator

2 instances, one for Rx and one for Tx

AXI_DMAC

axi_dmac

AXI DMAC

2 instances, one for Rx and one for Tx

DATA_OFFLOAD

data_offload

Data Offload

2 instances, one for Rx and one for Tx

RX JESD LINK

axi_adrv904x_rx_jesd

JESD204B/C Link Receive Peripheral

Instantiaded by adi_axi_jesd204_rx_create procedure

RX JESD TPL

rx_adrv904x_tpl_core

ADC JESD204B/C Transport Peripheral

Instantiated by adi_tpl_jesd204_rx_create procedure

TX JESD LINK

axi_adrv904x_tx_jesd

JESD204B/C Link Transmit Peripheral

Instantiaded by adi_axi_jesd204_tx_create procedure

TX JESD TPL

tx_adrv904x_tpl_core

DAC JESD204B/C Transport Peripheral

Instantiated by adi_tpl_jesd204_tx_create procedure

UTIL_UPACK

util_upack2

Channel UPACK Utility

—

UTIL_CPACK

util_cpack2

Channel CPACK Utility

—

The Rx links (ADC Path) operate with the following parameters:

  • Rx Deframer parameters: L=8, M=16, F=4, S=1, NP=16, N=16

  • Sample Rate: 122.88 MSPS

  • Dual link: No

  • RX_DEVICE_CLK: 122.88 MHz (Lane Rate/40)

  • REF_CLK: 122.88 MHz (Lane Rate/40)

  • JESD204B Lane Rate: 4.915 Gbps

  • CPLL

The Tx links (DAC Path) operate with the following parameters:

  • Tx Deframer parameters: L=8, M=16, F=4, S=1, NP=16, N=16

  • Sample Rate: 122.88 MSPS

  • Dual link: No

  • TX_DEVICE_CLK: 122.88 MHz (Lane Rate/40)

  • REF_CLK: 122.88 MHz (Lane Rate/40)

  • JESD204B Lane Rate: 4.915 Gbps

  • QPLL0

Configuration modes

The block design supports configuration of parameters and scales.

We have listed a couple of examples at section Building the HDL project and the default modes for each project.

Note

The parameters for Rx or Tx links can be changed from the system_project.tcl file, located in hdl/projects/adrv904x/$CARRIER/system_project.tcl

JESD204C:

\[Lane Rate = Sample Rate*\frac{M}{L}*N'* \frac{66}{64}\]

JESD204B:

\[Lane Rate = Sample Rate*\frac{M}{L}*N'* \frac{10}{8}\]

The following are the parameters of this project that can be configured:

  • JESD_MODE: used link layer encoder mode

    • 64B66B - 64b66b link layer defined in JESD204C

    • 8B10B - 8b10b link layer defined in JESD204B

  • ORX_ENABLE: Additional data path for RX-OS

    • 0 - Disabled (used for profiles with RX-OS disabled)

    • 1 - Enabled (used for profiles with RX-OS enabled)

  • RX_LANE_RATE: lane rate of the Rx link

  • TX_LANE_RATE: lane rate of the Tx link

  • [RX/TX/RX_OS]_JESD_M: number of converters per link

  • [RX/TX/RX_OS]_JESD_L: number of lanes per link

  • [RX/TX/RX_OS]_JESD_S: number of samples per frame

  • [RX/TX/RX_OS]_JESD_NP: number of bits per sample

  • [RX/TX/RX_OS]_TPL_WIDTH : TPL data path width in bits

  • [RX/TX/RX_OS]_NUM_LINKS: number of links

Clock scheme

ADRV904X ZCU102 clock scheme

CPU/Memory interconnects addresses

The addresses are dependent on the architecture of the FPGA, having an offset added to the base address from HDL (see more at CPU/Memory interconnects addresses).

Instance

ZynqMP

axi_adrv904x_tx_jesd

0x84A9_0000

axi_adrv904x_rx_jesd

0x84AA_0000

axi_adrv904x_rx_os_jesd

0x85AA_0000

axi_adrv904x_tx_dma

0x9C42_0000

axi_adrv904x_rx_dma

0x9C40_0000

axi_adrv904x_rx_os_dma

0x9C80_0000

tx_adrv904x_tpl_core

0x84A0_4000

rx_adrv904x_tpl_core

0x84A0_0000

rx_os_adrv904x_tpl_core

0x84A0_8000

axi_adrv904x_tx_xcvr

0x84A8_0000

axi_adrv904x_rx_xcvr

0x84A6_0000

axi_adrv904x_rx_os_xcvr

0x85A6_0000

axi_adrv904x_tx_clkgen

0x83C0_0000

axi_adrv904x_rx_clkgen

0x83C1_0000

axi_adrv904x_rx_os_clkgen

0x83C2_0000

adrv904x_tx_data_offload

0x9C44_0000

adrv904x_rx_data_offload

0x9C45_0000

SPI connections

SPI type

SPI manager instance

SPI subordinate

CS

PS

spi0

ADRV904X

0

AD9528

1

GPIOs

GPIO signal

Direction

HDL GPIO EMIO

Software GPIO

(from FPGA view)

Zynq MP

ad9528_reset_b

INOUT

69

147

ad9528_sysref_req

INOUT

68

146

adrv904x_trx0_enable

INOUT

67

145

adrv904x_trx1_enable

INOUT

66

144

adrv904x_trx2_enable

INOUT

65

143

adrv904x_trx3_enable

INOUT

64

142

adrv904x_trx4_enable

INOUT

63

141

adrv904x_trx5_enable

INOUT

62

140

adrv904x_trx6_enable

INOUT

61

139

adrv904x_trx7_enable

INOUT

60

138

adrv904x_orx0_enable

INOUT

59

137

adrv904x_orx1_enable

INOUT

58

136

adrv904x_test

INOUT

57

135

adrv904x_reset_b

INOUT

56

134

adrv904x_gpio[0:23]

INOUT

55:32

133:110

Interrupts

Below are the Programmable Logic interrupts used in this project.

Instance name

HDL

Linux ZynqMP

Actual ZynqMP

axi_adrv904x_tx_jesd

10

106

138

axi_adrv904x_rx_jesd

11

107

139

axi_adrv904x_rx_os_jesd

12

108

140

axi_adrv904x_tx_dma

13

109

141

axi_adrv904x_rx_dma

14

110

142

axi_adrv904x_rx_os_dma

15

111

143

Building the HDL project

The design is built upon ADI’s generic HDL reference design framework. ADI distributes the bit/elf files of these projects as part of the ADI Kuiper Linux. If you want to build the sources, ADI makes them available on the HDL repository. To get the source you must clone the HDL repository.

Then go to the projects/adrv904x location and run the make command by typing in your command prompt:

Linux/Cygwin/WSL

~$

cd hdl/projects/adrv904x/zcu102

~/hdl/projects/adrv904x/zcu102$

make

The following dropdowns contain tables with the parameters that can be used to configure this project, depending on the carrier used. Where a cell contains a — (dash) it means that the parameter doesn’t exist for that project (adrv904x/carrier or adrv904x/carrier).

Parameter

Default value of the parameters depending on carrier

ZCU102

JESD_MODE

64B66B

ORX_ENABLE

0

RX_LANE_RATE

16.22

TX_LANE_RATE

16.22

TX_NUM_LINKS

1

RX_NUM_LINKS

1

RX_OS_NUM_LINKS

1

RX_JESD_M

16

RX_JESD_L

8

RX_JESD_S

1

RX_JESD_NP

16

RX_TPL_WIDTH

{}

TX_JESD_M

16

TX_JESD_L

8

TX_JESD_S

1

TX_JESD_NP

16

TX_TPL_WIDTH

{}

RX_OS_JESD_M

0

RX_OS_JESD_L

0

RX_OS_JESD_S

0

RX_OS_JESD_NP

0

RX_OS_TPL_WIDTH

{}

A more comprehensive build guide can be found in the Build an HDL project user guide.

Other considerations

ADC - lane mapping

Due to physical constraints, Rx lanes are reordered as described in the following table.

ADC Lane

GTH Channel

FMC DP

FPGA Rx lane

XCVR Lane

Link layer

SERDOUT0

MGTHRX1_228

DP5

rx_data_p/n[1]

rx_data_1_p/n

rx_phy0

SERDOUT1

MGTHRX0_228

DP6

rx_data_p/n[0]

rx_data_0_p/n

rx_phy1

SERDOUT2

MGTHRX3_228

DP4

rx_data_p/n[3]

rx_data_3_p/n

rx_phy2

SERDOUT3

MGTHRX2_228

DP7

rx_data_p/n[2]

rx_data_2_p/n

rx_phy3

SERDOUT4

MGTHRX3_229

DP2

rx_data_p/n[7]

rx_data_7_p/n

rx_phy4

SERDOUT5

MGTHRX0_229

DP3

rx_data_p/n[4]

rx_data_4_p/n

rx_phy5

SERDOUT6

MGTHRX1_229

DP1

rx_data_p/n[5]

rx_data_5_p/n

rx_phy6

SERDOUT7

MGTHRX2_229

DP0

rx_data_p/n[6]

rx_data_6_p/n

rx_phy7

DAC - lane mapping

Due to physical constraints, Tx lanes are reordered as described in the following table.

DAC Lane

GTH Channel

FMC DP

FPGA Tx lane

XCVR Lane

Link layer

SERDIN0

MGTHTX2_229

DP0

tx_data_p/n[6]

tx_data_6_p/n

tx_phy0

SERDIN1

MGTHTX1_229

DP1

tx_data_p/n[5]

tx_data_5_p/n

tx_phy1

SERDIN2

MGTHTX3_229

DP2

tx_data_p/n[7]

tx_data_7_p/n

tx_phy2

SERDIN3

MGTHTX0_229

DP3

tx_data_p/n[4]

tx_data_4_p/n

tx_phy3

SERDIN4

MGTHTX0_228

DP7

tx_data_p/n[2]

tx_data_2_p/n

tx_phy4

SERDIN5

MGTHTX1_228

DP6

tx_data_p/n[0]

tx_data_0_p/n

tx_phy5

SERDIN6

MGTHTX2_228

DP5

tx_data_p/n[1]

tx_data_1_p/n

tx_phy6

SERDIN7

MGTHTX3_228

DP4

tx_data_p/n[3]

tx_data_3_p/n

tx_phy7

Resources

More information

Support

Analog Devices, Inc. will provide limited online support for anyone using the reference design with ADI components via the EngineerZone FPGA reference designs forum.

For questions regarding the ADI Linux device drivers, device trees, etc. from our Linux GitHub repository, the team will offer support on the EngineerZone Linux software drivers forum.

For questions concerning the ADI No-OS drivers, from our No-OS GitHub repository, the team will offer support on the EngineerZone microcontroller No-OS drivers forum.

It should be noted, that the older the tools’ versions and release branches are, the lower the chances to receive support from ADI engineers.