root@bbb-two:~# ./bcc_tool -v -p blinky.bit
bcc_init: opened I2C device /dev/i2c-1
bcc_init: PCF reads 0x3F
bcc_init: opened spi device /dev/spidev1.0
bcc_init: Set SPI clock to 10000000 Hz
bcc_init: Set SPI mode
bcc_init: FPGA not already configured - DONE not high
bcc_init: OMAP Drives SPI bus
Programming SPI Cfg Flash...
bcc_pgm: Read Flash ID:
MFG ID: 0xFF
DEV ID: 0xFF 0xFF
bcc_pgm: Flash ID mismatch
Error sending bitstream to SPI Cfg Flash
bcc_init: OMAP off SPI bus