pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -w tb-firmware-original.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading old flash chip contents... done.
Erasing and writing flash chip... Erase/write done.
Verifying flash... VERIFIED.
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original1.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original1.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
flashrom is free software, get the source code at
https://flashrom.org
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading flash... done.
pi@RBPi4B-RT:~/Desktop/20200427 $
shasum *.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 tb-firmware-original.bin
cceb66ecb01c7da3ff9e0de4031082d1af33f57c test-reflashed-original1.bin
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original2-vcc.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
flashrom is free software, get the source code at
https://flashrom.org
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original2-hotplugvcc.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading flash... done.
pi@RBPi4B-RT:~/Desktop/20200427 $
shasum *.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 tb-firmware-original.bin
cceb66ecb01c7da3ff9e0de4031082d1af33f57c test-reflashed-original1.bin
5ff1ac8ed10009cb876f5b21269492cba36005b7 test-reflashed-original2-hotplugvcc.bin
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original3-vccstillconnected.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original4-vcchotplug.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading flash... done.
pi@RBPi4B-RT:~/Desktop/20200427 $
shasum *.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 tb-firmware-original.bin
cceb66ecb01c7da3ff9e0de4031082d1af33f57c test-reflashed-original1.bin
5ff1ac8ed10009cb876f5b21269492cba36005b7 test-reflashed-original2-hotplugvcc.bin
e105afc8a5cb82d025cbf1be0293676c81fd03d7 test-reflashed-original4-vcchotplug.bin
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original5-vcc.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading flash... done.
pi@RBPi4B-RT:~/Desktop/20200427 $
shasum *.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 tb-firmware-original.bin
cceb66ecb01c7da3ff9e0de4031082d1af33f57c test-reflashed-original1.bin
5ff1ac8ed10009cb876f5b21269492cba36005b7 test-reflashed-original2-hotplugvcc.bin
e105afc8a5cb82d025cbf1be0293676c81fd03d7 test-reflashed-original4-vcchotplug.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 test-reflashed-original5-vcc.bin
pi@RBPi4B-RT:~/Desktop/20200427 $
sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=4096 -r test-reflashed-original6-vcc.bin
flashrom on Linux 4.19.97-v7l+ (armv7l)
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found Winbond flash chip "W25Q80.V" (1024 kB, SPI) on linux_spi.
Reading flash... done.
pi@RBPi4B-RT:~/Desktop/20200427 $
shasum *.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 tb-firmware-original.bin
cceb66ecb01c7da3ff9e0de4031082d1af33f57c test-reflashed-original1.bin
5ff1ac8ed10009cb876f5b21269492cba36005b7 test-reflashed-original2-hotplugvcc.bin
e105afc8a5cb82d025cbf1be0293676c81fd03d7 test-reflashed-original4-vcchotplug.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 test-reflashed-original5-vcc.bin
1809647344696d2bdc8a4982d1171bafb1dfd630 test-reflashed-original6-vcc.bin