Renesas RZ/G2L User guide

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Nov. 30, 2021

RZ/G2L, RZ/G2LC and RZ/V2L SMARC EVK

Start-up Guide

Introduction

This document provides a guide to prepare RZ/G2L, RZ/G2LC and RZ/V2L reference boards to boot up with the

RZ/G2L and RZ/V2L Group Board Support Package. Especially, procedures to write the bootloaders to each board are

explained.

Bootloaders are written to the Flash ROM on the board using the Flash Writer tool provided by Renesas through the

minimonitor utility. This document explains the way to write these files using the Flash Writer.

Target

RZ/G2L reference board

•RZ/G2L Evaluation Board Kit PMIC version (smarc-rzg2l-pmic) (*)

oRZ/G2L SMARC Module Board

oRZ SMARC Series Carrier Board

RZ/G2LC reference board

•RZ/G2LC Evaluation Board Kit PMIC version (smarc-rzg2lc-pmic) (**)

oRZ/G2LC SMARC Module Board

oRZ SMARC Series Carrier Board

RZ/V2L reference board

•RZ/V2L Evaluation Board Kit PMIC version (smarc-rzv2l-pmic) (***)

oRZ/V2L SMARC Module Board

oRZ SMARC Series Carrier Board

(*) “RZ/G2L Evaluation Board Kit PMIC” includes the RZ/G2L SMARC Module Board and the RZ SMARC Series

Carrier Board.

(**) “RZ/G2LC Evaluation Board Kit PMIC” includes the RZ/G2LC SMARC Module Board and the RZ SMARC

Series Carrier Board.

(***) “RZ/V2L Evaluation Board Kit PMIC” includes the RZ/V2L SMARC Module Board and the RZ SMARC

Series Carrier Board.

RZ/G2L and RZ/V2L Group Board Support Package version 1.3 or later.

R01TU0338EJ0104

Rev.1.04

Nov. 30, 2021

RZ/G2L SMARC EVK Start-up Guide 
R01TU0338EJ0104 Rev.1.04 Page 
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Contents 
1. Preparing Flash Writer...................................................................................................3 
1.1 Preparing cross compiler........................................................................................................... 3 
1.2 Building Flash Writer..................................................................................................................3 
2. Renesas SMARC RZ/G2L Evaluation kit PMIC (smarc-rzg2l-pmic), RZ/G2LC 
Evaluation kit PMIC (smarc-rzg2lc-pmic) and RZ/V2L Evaluation kit PMIC (smarc-
rzv2l-pmic)......................................................................................................................5 
2.1 Preparation before startup.........................................................................................................5 
2.1.1 Preparation ............................................................................................................................5 
2.1.2 How to set boot mode and input voltage ........................................................................... 6 
2.1.3 How to set SW1.....................................................................................................................7 
2.1.4 How to use debug serial (console ouput) ..........................................................................8 
2.2 Startup Procedure.......................................................................................................................8 
2.2.1 Power supply.........................................................................................................................8 
2.2.2 Building files to write............................................................................................................9 
2.2.3Settings................................................................................................................................10 
2.3 Booting Flash Writer.................................................................................................................12 
2.4 Writing Bootloader....................................................................................................................14 
2.5 Setting U-boot............................................................................................................................16 
3. Revision History...........................................................................................................19 
 

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1. Preparing Flash Writer

Flash Writer is built automatically when building BSP by bitbake command. Please refer to the Release Note of the

RZ/G2L and RZ/V2L Group Board Support Package to obtain a binary file of Flash Writer.

If you need latest one, please get source code from the GitHub repository and build it according to the following

instructions. In general, new revision of reference boards requires latest Flash Writer.

1.1 Preparing cross compiler

FlashWriter runs on target boards. Please get cross compiler built by Linaro or setup a Yocto SDK.

ARM toolchain:

$ cd ~/

$ wget https://developer.arm.com/-/media/Files/downloads/gnu-a/10.2-2020.11/bi

nrel/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf.tar.xz

$ tar xvf gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf.tar.xz

Yocto SDK:

Build an SDK according to Release Notes and install it to a Linux Host PC. Then, enable the SDK as below.

$ source /opt/poky/3.1.5/environment-setup-aarch64-poky-linux

1.2 Building Flash Writer

Get source codes of Flash Writer from the GitHub repository and checkout the branch rz_g2l.

$ cd ~/

$ git clone https://github.com/renesas-rz/rzg2_flash_writer.git

$ cd rzg2_flash_writer

$ git checkout rz_g2l

Build Flash Writer as an s-record file by the following commands. Please specify a target board by “BOARD”option.

ARM toolchain:

$ export PATH=$PATH:~/gcc-arm-10.2-2020.11-x86_64-aarch64-none-elf/bin

$ export CROSS_COMPILE=aarch64-none-elf-

$ export CC=${CROSS_COMPILE}gcc

$ export AS=${CROSS_COMPILE}as

$ export LD=${CROSS_COMPILE}ld

$ export AR=${CROSS_COMPILE}ar

$ export OBJDUMP=${CROSS_COMPILE}objdump

$ export OBJCOPY=${CROSS_COMPILE}objcopy

$ make clean

$ make BOARD=<board>

Yocto SDK:

$ make clean

$ make BOARD=<board>

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Please replace <board> to a proper option according to this table.

Target

board

BOARD option

Image to be generated

smarc-

rzg2l-pmic

RZG2L_SMARC_PMIC

Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot

smarc-

rzg2lc-

pmic

RZG2LC_SMARC_PMIC

Flash_Writer_SCIF_RZG2LC_SMARC_PMIC_DDR4_1GB_1PCS.mot

smarc-

rzv2l-pmic

RZV2L_SMARC_PMIC

Flash_Writer_SCIF_RZV2L_SMARC_PMIC_DDR4_2GB_1PCS.mot

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2. Renesas SMARC RZ/G2L Evaluation kit PMIC (smarc-rzg2l-pmic), RZ/G2LC

Evaluation kit PMIC (smarc-rzg2lc-pmic) and RZ/V2L Evaluation kit PMIC

(smarc-rzv2l-pmic)

2.1 Preparation before startup

2.1.1 Preparation

The following power supply environment is used in the evaluation.

Hardware preparation:

•USB Type-C cable “AK-A8485011” (manufactured by Anker)

•USB PD Charger Anker “PowerPort III 65W Pod” (manufactured by Anker)

•USB Type-microAB cable (Any cables)

•Micro HDMI cable (Any cables)

•PC Installed FTDI VCP driver and Terminal software (Tera Term)

Note: Please install the FTDI driver that can be following website

(https://www.ftdichip.com/Drivers/VCP.htm).

Software preparation:

RZ/G2L Evaluation Board Kit PMIC version

•Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot (flash writer)

•bl2_bp-smarc-rzg2l_pmic.srec (boot loader)

•fip-smarc-rzg2l_pmic.srec (boot loader)

•Image-smarc-rzg2l.bin (Linux kernel)

•r9a07g044l2-smarc.dtb (Device tree file)

RZ/G2LC Evaluation Board Kit PMIC version

•Flash_Writer_SCIF_RZG2LC_SMARC_PMIC_DDR4_1GB_1PCS.mot (flash writer)

•bl2_bp-smarc-rzg2lc_pmic.srec (boot loader)

•fip-smarc-rzg2lc_pmic.srec (boot loader)

•Image-smarc-rzg2lc.bin (Linux kernel)

•r9a07g044c2-smarc.dtb (Device tree file)

RZ/V2L Evaluation Board Kit PMIC version

•Flash_Writer_SCIF_RZV2L_SMARC_PMIC_DDR4_2GB_1PCS.mot (flash writer)

•bl2_bp-smarc-rzv2l_pmic.srec (boot loader)

•fip-smarc-rzv2l_pmic.srec (boot loader)

•Image-smarc-rzv2l.bin (Linux kernel)

•r9a07g054l2-smarc.dtb (Device tree file)

Hereafter, RZ/V2L Evaluation Board Kit PMIC version picture is used as a representative.

If you will use RZ/G2L, RZ/G2LC Evaluation Board Kit PMIC version, Connectors on same location as RZ/V2L

Evaluation Board Kit PMIC version can be used.

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2.1.2 How to set boot mode and input voltage

Please set the SW11 settings as follows.

•Pin no1 to no3 of the SW11 is used to control boot mode of RZ/G2L, RZ/G2LC and RZ/V2L.

•Pin no4 of the SW11 is used to control the input voltage from power charger to 5V or 9V. Please use a 5V

setting as initial setting.

Please select boot mode as below figures! Currently we support 2 modes in 4 modes: SCIF Download mode and QSPI

Boot mode.

Please select input voltage setting as below.

SW1-4

Input voltage selection

OFF

Input 9V

Input 5V

SW11-1

OFF

SW11-2

SW11-3

OFF

SW11-4

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2.1.3 How to set SW1.

Please set the SW1 settings to follows.

•Pin no1 of the SW1 is used to select the JTAG debug mode or not.

JTAG is not used, so set SW1-1 to normal operation mode.

•Pin no2 of the SW1 is used to select the eMMC or microSD mode. Please set SW1-2 to eMMC mode.

SW1-1

DEBUGEN

OFF

JTAG debug mode

Normal operation

The selection of microSD slot and eMMC on the SMARC module is exclusive

SW1-1

OFF

SW1-2

OFF

SW1-2

MicroSD/eMMC selection

OFF

Select eMMC on RTK9744L23C01000BE

Select microSD slot on RTK9744L23C01000BE

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2.1.4 How to use debug serial (console ouput)

Please connect USB Type-microAB cable to CN14.

CN14:USB Type-microAB Connector

2.2 Startup Procedure

2.2.1 Power supply

1. Connect USB-PD Power Charger to USB Type-C Connector (CN6).

2. LED1(VBUS Power ON) and LED3 (Module PWR On) lights up.

Connect to PC

2. LED1 and LED3 will be light up

1. Connect USB Type-C cable to CN6

Connect USB Type-microAB cable

to CN14 for SCIF download

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3. Press the power button(SW9) to turn on the power.

Note: When turn on the power, press and hold the power button for 1 second.

When turn off the power, press and hold the power button for 2 seconds

4. LED4(Carrier PWR On) lights up.

2.2.2 Building files to write

This board uses the files below as a bootloader. Please build them according to the Release Note and copy these files to

a PC which runs serial terminal software.

RZ/G2L Evaluation Board Kit PMIC version

•bl2_bp-smarc-rzg2l_pmic.srec (boot loader)

•fip-smarc-rzg2l_pmic.srec (boot loader)

RZ/G2LC Evaluation Board Kit PMIC version

•bl2_bp-smarc-rzg2lc_pmic.srec (boot loader)

•fip-smarc-rzg2lc_pmic.srec (boot loader)

RZ/V2L Evaluation Board Kit PMIC version

•bl2_bp-smarc-rzv2l_pmic.srec (boot loader)

•fip-smarc-rzv2l_pmic.srec (boot loader)

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2.2.3 Settings

Connect between the board and a control PC by USB serial cable according to the Release Note.

1. Bring up the terminal software and select the “File” > “New Connection” to set the connection on the software.

2. Select the “Setup” > “Serial port” to set the settings about serial communication protocol on the software.

Set the settings about serial communication protocol on a terminal software as below:

•Speed: 115200 bps

•Data: 8bit

•Parity: None

•Stop bit: 1bit

•Flow control: None

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