QCC744M Evaluation Kit

Overview

The QCC744M Evaluation board features the QCC744M module, which contains a QCC744-2 SoC with 4MB of PSRAM and an external 8MB Flash chip. Qualcomm QCC74x is a tri-radio chipset integrating 1x1 Wi-Fi 6, Bluetooth 5.4, and IEEE 802.15.4 (Thread and Zigbee-ready) powered by a 32-bit RISC-V MCU up to 320 MHz, it is based on, and mostly equivalent, to the Bouffalolab BL61x Serie of chipsets.

Hardware

For more information about the Qualcomm QCC74x MCU:

Supported Features

The qcc744m_evk board supports the hardware features listed below.

on-chip / on-board
Feature integrated in the SoC / present on the board.
2 / 2
Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo
Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

qcc744m_evk/bl618m05q2i target

Type

Location

Description

Compatible

CPU

on-chip

Xuantie E907 Core CPU1

xuantie,e907

ADC

on-chip

Bouffalolab ADC1

bflb,adc

Clock control

on-chip

Generic fixed-rate clock provider2

fixed-clock

on-chip

The BL61x WIFI PLL1

bflb,bl61x-wifipll

on-chip

The BL61x Audio PLL1

bflb,bl61x-aupll

on-chip

The BL61x Root Clock Represents both FCLK and HCLK, which should be kept the same1

bflb,bl61x-root-clk

on-chip

The BCLK clock, or peripheral clock Source Clock -> Root Clock -> / divider -> BCLK1

bflb,bclk

on-chip

The BL61x Flash Clock Source -> divider -> CLK Only has settings for Bank 1 (boot flash) at the moment1

bflb,bl61x-flash-clk

on-chip

Bouffalolab BL61x Clock Controller1

bflb,bl61x-clock-controller

DMA

on-chip

Bouffalo Lab DMA1

bflb,dma

Flash controller

on-chip

Bouffalolab Flash Controller1

bflb,flash-controller

GPIO & Headers

on-chip

BouffaloLab GPIO node for BL61X serie1

bflb,bl61x-gpio

I2C

on-chip

Bouffalolab I2C interface11

bflb,i2c

Input

on-chip

Bouffalolab Infrared Receiver Peripheral Wire the output of a diode like VS1838B to the specified GPIO pin1

bflb,irx

on-board

Group of GPIO-bound input keys1

gpio-keys

Interrupt controller

on-chip

Nuclei ECLIC interrupt controller1

nuclei,eclic

Memory controller

on-chip

BL61x pseudo-static RAM controller1

bflb,bl61x-psram

MIPI-DBI

on-chip

BFLB MIPI DBI controller When used with devices that dont match MIPI DBI properly (eg commands are fully with DC set, not DC then data, for example SSD1327), you MUST use cs-gpios and dc-gpio to allow holding the lines for command via software and not use hardware DC and CS1

bflb,dbi

MTD

on-board

Flash node1

soc-nv-flash

on-board

Fixed partitions of a flash (or other non-volatile storage) memory1

fixed-partitions

Pin control

on-chip

Bouffalo Lab Pinctrl node1

bflb,pinctrl

Power management

on-chip

Bouffalolab Power Controller1

bflb,power-controller

PWM

on-chip

Bouffalolab PWM 21

bflb,pwm-2

Regulator

on-chip

Bouffalolab HBN SoC (CPU, Memory, etc) voltage regulator It is a LDO with a canonical voltage of 1.10v It has two modes, but they are only switched between when going into sleep mode and do not share settings areas1

bflb,soc-regulator

on-chip

Bouffalolab HBN RT (RTC) voltage regulator It is a LDO with a canonical voltage of 1.10v It has two modes, but they are only switched between when going into sleep mode and do not share settings areas1

bflb,rt-regulator

on-chip

Bouffalolab HBN AON (Always ON section) voltage regulator It is a LDO with a canonical voltage of 1.10v It has two modes, but they are only switched between when going into sleep mode and do not share settings areas1

bflb,aon-regulator

Serial controller

on-chip

Bouffalo Lab UART11

bflb,uart

SPI

on-chip

Bouffalolab SPI1

bflb,spi

SRAM

on-chip

Generic on-chip SRAM2

mmio-sram

System controller

on-chip

BouffaloLab Efuse1

bflb,efuse

Timer

on-chip

RISC-V Machine Timer1

riscv,machine-timer

Watchdog

on-chip

Bouffalo Lab Watchdog Timer1

bflb,wdt

Serial Port

The qcc744m_evk board uses UART0 as default serial port. It is connected to the onboard USB Serial converter and the port is used for both program and console.

Programming and Debugging

Samples

  1. Build the Zephyr kernel and the Hello World sample application:

    # From the root of the zephyr repository
    west build -b qcc744m_evk samples/hello_world
    
  2. west flash cannot flash QCC74x MCUs at the moment. You may first acquire ‘QConn Flash’ from the Qualcomm QCC74x SDK and follow these instructions:

    • Open Qconn Flash

    • Go to tab ‘Flash Utils’

    • Select appropriate flash port and interface.

    • Reset board (press RESET, right button) while holding the BOOT (left) button to enter flash mode

    • In ‘Flash Program’, browse to bsp/board/qcc744dk/config/boot2_qcc743_isp_release_v8.1.9.bin from the SDK and set the address to 0x0

    • Press the ‘Download’ Button

    • Enter Flash mode again

    • In ‘Flash Program’, browse to zephyr.bin from your build folder and set the address to 0x2000

    • Press the ‘Download’ Button again.

    Your board is now flashed. Once the first binary has been flashed at 0x0, there is no need to re-flash it unless the flash area containing it is erased.

  3. Run your favorite terminal program to listen for output. Under Linux the terminal should be /dev/ttyACM1. For example:

    $ screen /dev/ttyACM1 115200
    

    Connection should be configured as follows:

    • Speed: 115200

    • Data: 8 bits

    • Parity: None

    • Stop bits: 1

    Then, press and release RESET button

    *** Booting Zephyr OS build v4.3.0 ***
    Hello World! qcc744m_evk/bl618m05q2i
    

Congratulations, you have qcc744m_evk configured and running Zephyr.