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RZ/N1S-DB Board
U-Boot
System-on-Chip
Target Device
All information contained in these materials, including products and product specifications,
represents information on the product at the time of publication and is subject to change by
Renesas Electronics Corp. without notice. Please review the latest information published by
Renesas Electronics Corp. through various means, including the Renesas Technology Corp.
website (http://www.renesas.com).
www.renesa s.com
RZ/N1S
R01QS0008EG0104
June 8, 2018
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Summary of Contents for Renesas RZ/N1S-DB
- Page 1 All information contained in these materials, including products and product specifications, represents information on the product at the time of publication and is subject to change by Renesas Electronics Corp. without notice. Please review the latest information published by Renesas Electronics Corp. through various means, including the Renesas Technology Corp.
- Page 2 Note: The BootROM will only allow an SPKG payload to be written to internal SRAM as writing to QSPI is board specific. Normally, on the RZ/N1S-DB board, when the board is reset the BootROM will load an SPKG from QSPI. Typically, this SPKG contains U-Boot or U-Boot/SPL.
- Page 3 2 SETUP 2.1 RZ/N1S-DB Board The main connectors and switches of the board are shown below. • ETH4 ETH5 USB Function FTDI serial-over-USB • FTDI JTAG-over-USB • Power Connector CN14 Power via USB RXCLK5 Debug RXCLK4 Connector Multiplexer Setup SW10...
- Page 4 The following switches must be set. Switch bank SW5 Default Number SW ON (low) SW OFF (high) Setting RMII/MII CAT/S3 PMOD MSEBI Mixed RMII2 / MDIO3 QSPI2-Memory USB 1x Host 1x Device USB 2 x Host ARM Debug FTDI Debug Segger Debugger I-Jet Debugger Not used...
- Page 5 If using the Extension Board, please ensure the following jumper and switch settings are made: Jumper Description Default Setting CN15 PHY2/PHY3 MDC source Connect pins 2 and 3 (MDC2) CN16 PHY2/PHY3 MDIO source Connect pins 2 and 3 (MDIO2) CN17 PHY1 MDC source Connect pins 1 and 2 (MDC1) CN18...
- Page 6 3. Download U-Boot to SRAM. On your host PC run: sudo dfu-util -D u-boot-rzn1s324-db.bin.spkg 4. U-Boot should run and the RZ/N1 serial port presents you with a console, similar to this: U-Boot 2017.01 Model: RZ/N1S-DB board DRAM: 4 MiB MMC:...
- Page 7 Boot source: QSPI 00 BOOTLOADER STAGE0 Success *** Bootloader stage0 END *** *** Execute 2nd Stage Bootloader which has been loaded and verified *** U-Boot 2017.01 Model: RZ/N1S-DB board DRAM: 4 MiB MMC: sdhci@0x40100000: 0 SF: Detected mx25l25635f with page size 256 Bytes, erase size 64 KiB,...
- Page 8 Below we show basic commands to get you started with GDB. Further details on using OpenOCD with GDB can be found at http://openocd.org/doc/html/GDB-and-OpenOCD.html. Connect to the board using the configuration file provided by Renesas. This starts a GDBServer which you can connect to from gdb or any other debugger that supports connecting to a GDBServer.
- Page 9 RZ/N1S-DB Board U-Boot...