X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fdoc%2FSPI%2FREADME.sh_qspi_test;fp=qemu%2Froms%2Fu-boot%2Fdoc%2FSPI%2FREADME.sh_qspi_test;h=8a33fec32fdc325e7bb56ab717611ec90f527131;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/doc/SPI/README.sh_qspi_test b/qemu/roms/u-boot/doc/SPI/README.sh_qspi_test new file mode 100644 index 000000000..8a33fec32 --- /dev/null +++ b/qemu/roms/u-boot/doc/SPI/README.sh_qspi_test @@ -0,0 +1,38 @@ +------------------------------------------------- + Simple steps used to test the SH-QSPI at U-Boot +------------------------------------------------- + +#0, Currently, SH-QSPI is used by lager board (Renesas ARM SoC R8A7790) + and koelsch board (Renesas ARM SoC R8A7791). These boot from SPI ROM + basically. Thus, U-Boot start, SH-QSPI will is operating normally. + +#1, build U-Boot and load u-boot.bin + + => tftpboot 40000000 u-boot.bin + sh_eth Waiting for PHY auto negotiation to complete.. done + sh_eth: 100Base/Half + Using sh_eth device + TFTP from server 192.168.169.1; our IP address is 192.168.169.79 + Filename 'u-boot.bin'. + Load address: 0x40000000 + Loading: ############ + 2.5 MiB/s + done + Bytes transferred = 175364 (2ad04 hex) + +#2, Commands to erase/write u-boot to flash device + + Note: This method is description of the lager board. If you want to use the + other boards, please change the value according to each environment. + + => sf probe 0 + SF: Detected S25FL512S_256K with page size 512 Bytes, erase size 64 KiB, total 64 MiB + => sf erase 80000 40000 + SF: 262144 bytes @ 0x80000 Erased: OK + => sf write 40000000 80000 175364 + SF: 1528676 bytes @ 0x80000 Written: OK + => + +#3, Push reset button. + + If you're written correctly and driver works properly, U-Boot starts.