Hello, here are the results for the "AT25F512*N*" with arduino. Not sure for what the "N" stands for. Read and write works, but erase not. * Erase:* Computer flashrom-0.9.7 # ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -VE flashrom v0.9.7-r1711 on Linux 3.2.0-23-generic (i686) flashrom is free software, get the source code at http://www.flashrom.org
flashrom was built with libpci 3.1.8, GCC 4.6.3, little endian Command line (5 args): ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -VE Calibrating delay loop... OS timer resolution is 1 usecs, 2019M loops per second, 10 myus = 11 us, 100 myus = 136 us, 1000 myus = 1025 us, 10000 myus = 11492 us, 4 myus = 9 us, OK. Initializing serprog programmer Baud rate is 2000000. serprog: connected - attempting to synchronize ... serprog: Synchronized serprog: Interface version ok. serprog: Bus support: parallel=off, LPC=off, FWH=off, SPI=on Warning: Automatic command availability check failed for cmd 0x08 - won't execute cmd Warning: Automatic command availability check failed for cmd 0x11 - won't execute cmd serprog: Programmer name is "serprog-duino" serprog: Serial buffer size is 65535 serprog: Warning: Programmer does not support toggling its output drivers The following protocols are supported: SPI. Probing for Atmel AT25F512, 64 kB: probe_spi_at25f: id1 0x1f, id2 0x60 Found Atmel flash chip "AT25F512" (64 kB, SPI) on serprog. Chip status register is 0x00. Chip status register: Write Protect Enable (WPEN) is not set Chip status register: Bit 6 is not set Chip status register: Bit 5 is not set Chip status register: Bit 4 is not set Chip status register: Block Protect 1 (BP1) is not set Chip status register: Block Protect 0 (BP0) is not set Chip status register: Write Enable Latch (WEL) is not set Chip status register: Write In Progress (WIP/BUSY) is not set Erasing and writing flash chip... Trying erase function 0... 0x000000-0x007fff:E, 0x008000-0x00ffff:EError: invalid response 0xFF from device spi_block_erase_52 failed during command execution at address 0x8000 Reading current flash chip contents... Error: invalid response 0xFF from device Can't read anymore! Aborting. FAILED! Your flash chip is in an unknown state. Please report this on IRC at chat.freenode.net (channel #flashrom) or mail flashrom@flashrom.org, thanks!
*Write:* Computer flashrom-0.9.7 # ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -Vw AT25F512.rom flashrom v0.9.7-r1711 on Linux 3.2.0-23-generic (i686) flashrom is free software, get the source code at http://www.flashrom.org
flashrom was built with libpci 3.1.8, GCC 4.6.3, little endian Command line (6 args): ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -Vw AT25F512.rom Calibrating delay loop... OS timer resolution is 1 usecs, 1995M loops per second, 10 myus = 20 us, 100 myus = 143 us, 1000 myus = 1013 us, 10000 myus = 9918 us, 4 myus = 9 us, OK. Initializing serprog programmer Baud rate is 2000000. serprog: connected - attempting to synchronize ... serprog: Synchronized serprog: Interface version ok. serprog: Bus support: parallel=off, LPC=off, FWH=off, SPI=on Warning: Automatic command availability check failed for cmd 0x08 - won't execute cmd Warning: Automatic command availability check failed for cmd 0x11 - won't execute cmd serprog: Programmer name is "serprog-duino" serprog: Serial buffer size is 65535 serprog: Warning: Programmer does not support toggling its output drivers The following protocols are supported: SPI. Probing for Atmel AT25F512, 64 kB: probe_spi_at25f: id1 0x1f, id2 0x60 Found Atmel flash chip "AT25F512" (64 kB, SPI) on serprog. Chip status register is 0x00. Chip status register: Write Protect Enable (WPEN) is not set Chip status register: Bit 6 is not set Chip status register: Bit 5 is not set Chip status register: Bit 4 is not set Chip status register: Block Protect 1 (BP1) is not set Chip status register: Block Protect 0 (BP0) is not set Chip status register: Write Enable Latch (WEL) is not set Chip status register: Write In Progress (WIP/BUSY) is not set Reading old flash chip contents... done. Erasing and writing flash chip... Trying erase function 0... 0x000000-0x007fff:W, 0x008000-0x00ffff:S Erase/write done. Verifying flash... VERIFIED. * Verify:* Computer flashrom-0.9.7 # ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -Vv AT25F512.rom flashrom v0.9.7-r1711 on Linux 3.2.0-23-generic (i686) flashrom is free software, get the source code at http://www.flashrom.org
flashrom was built with libpci 3.1.8, GCC 4.6.3, little endian Command line (6 args): ./flashrom -p serprog:dev=/dev/ttyACM0:2000000 -c AT25F512 -Vv AT25F512.rom Calibrating delay loop... OS timer resolution is 1 usecs, 1989M loops per second, 10 myus = 11 us, 100 myus = 135 us, 1000 myus = 1058 us, 10000 myus = 10101 us, 4 myus = 9 us, OK. Initializing serprog programmer Baud rate is 2000000. serprog: connected - attempting to synchronize ... serprog: Synchronized serprog: Interface version ok. serprog: Bus support: parallel=off, LPC=off, FWH=off, SPI=on Warning: Automatic command availability check failed for cmd 0x08 - won't execute cmd Warning: Automatic command availability check failed for cmd 0x11 - won't execute cmd serprog: Programmer name is "serprog-duino" serprog: Serial buffer size is 65535 serprog: Warning: Programmer does not support toggling its output drivers The following protocols are supported: SPI. Probing for Atmel AT25F512, 64 kB: probe_spi_at25f: id1 0x1f, id2 0x60 Found Atmel flash chip "AT25F512" (64 kB, SPI) on serprog. Chip status register is 0x00. Chip status register: Write Protect Enable (WPEN) is not set Chip status register: Bit 6 is not set Chip status register: Bit 5 is not set Chip status register: Bit 4 is not set Chip status register: Block Protect 1 (BP1) is not set Chip status register: Block Protect 0 (BP0) is not set Chip status register: Write Enable Latch (WEL) is not set Chip status register: Write In Progress (WIP/BUSY) is not set Reading old flash chip contents... done. Verifying flash... VERIFIED.