How to connect (beginner help)

sudo flashrom -r ~/efi/test1.bin -V -p linux_spi:dev=/dev/spidev0.0

No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.

pi@raspberrypi ~/efi $ sudo flashrom -r ~/efi/test1.bin -V -p linux_spi:dev=/dev                                                                /spidev0.0
flashrom v0.9.8-r1896 on Linux 3.18.11+ (armv6l)
flashrom is free software, get the source code at http://www.flashrom.org

flashrom was built with libpci 3.1.9, GCC 4.6.3, little endian
Command line (5 args): flashrom -r /home/pi/efi/test1.bin -V -p linux_spi:dev=/d                                                                ev/spidev0.0
Calibrating delay loop... OS timer resolution is 4 usecs, 194M loops per second,                                                                 delay more than 10% too short (got 85% of expected delay), recalculating... 198                                                                M loops per second, delay more than 10% too short (got 85% of expected delay), r                                                                ecalculating... 194M loops per second, delay more than 10% too short (got 88% of                                                                 expected delay), recalculating... 203M loops per second, delay more than 10% to                                                                o short (got 89% of expected delay), recalculating... 226M loops per second, del                                                                ay loop is unreliable, trying to continue 10 myus = 13 us, 100 myus = 101 us, 10                                                                00 myus = 1780 us, 10000 myus = 10884 us, 16 myus = 20 us, OK.
Initializing linux_spi programmer

Probing for Generic unknown SPI chip (RDID), 0 kB: RDID byte 0 parity violation.                                                                 probe_spi_rdid_generic: id1 0x00, id2 0x00
Probing for Generic unknown SPI chip (REMS), 0 kB: probe_spi_rems: id1 0x0, id2                                                                 0x0
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.

sudo -p flashrom linux_spi:dev=/dev/spidev0.0

pi@raspberrypi ~/efi $ sudo -p flashrom linux_spi:dev=/dev/spidev0.0
usage: sudo [-D level] -h | -K | -k | -V
usage: sudo -v [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-u user
            name|#uid]
usage: sudo -l[l] [-AknS] [-D level] [-g groupname|#gid] [-p prompt] [-U user
            name] [-u user name|#uid] [-g groupname|#gid] [command]
usage: sudo [-AbEHknPS] [-r role] [-t type] [-C fd] [-D level] [-g
            groupname|#gid] [-p prompt] [-u user name|#uid] [-g groupname|#gid]
            [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AknS] [-r role] [-t type] [-C fd] [-D level] [-g
            groupname|#gid] [-p prompt] [-u user name|#uid] file ...

pi@raspberrypi ~/efi $ sudo flashrom -p linux_spi:dev=/dev/spidev0.0
flashrom v0.9.8-r1896 on Linux 3.18.11+ (armv6l)
flashrom is free software, get the source code at http://www.flashrom.org

Calibrating delay loop... OK.
No EEPROM/flash device found.
Note: flashrom can never write if the flash chip isn't found automatically.
pi@raspberrypi ~/efi $

Calibrating delay loop... OK.
Found Micron/Numonyx/ST flash chip "N25Q064..3E" (8192 kB, SPI) on linux_spi.
No operations were specified.

flashrom -p linux_spi:dev=/dev/spidev0.0--layout ./flashrom.layout --image SVS -w ./lxx33_EMC2469.bin.modified