Every SPI programmer driver had its own completely different chip write
implementation, and all of them were insufficiently commented. Create
spi_write_chunked as a copy of spi_read_chunked and convert all SPI
programmers to use it. No functional changes except: - Bus Pirate uses
12 Byte writes instead of 8 Byte writes - SB600 uses 5 Byte writes
instead of 1 Byte writes
Corresponding to flashrom svn r1005.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: David Hendricks <dhendrix@google.com>
Corresponding to flashrom svn r964.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>
Corresponding to flashrom svn r851.
Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Programmer debug messages during programmer init/shutdown are useful
because they print hardware settings and desired configuration.
They help in getting a quick overview of hardware and software state on
startup and shutdown.
Programmer debug messages during flash chip access are mostly a
distraction in logs and should only be enabled if someone is having
problems which are suspected to stem from a programmer hardware or
programmer software bug. Disable those messages by default, they can be
reenabled by #define COMM_DEBUG in the affected programmer file.
An added benefit is a tremendous size reduction in verbose
probe/read/write/erase logs because only flash chip driver messages
remain. In some cases, logs will shrink from 65 MB to 10 kB or less.
The right(tm) fix would be two different debug levels (DEBUG and SPEW)
and the ability to differentiate between programmer debug messages and
flash chip debug messages. Until the design for the message printing
infrastructure is finished, this is the best stop-gap measure we can
get.
Corresponding to flashrom svn r834.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audioahcked@gmail.com>
- replace the hand written serial input flush routine with the termios one.
- serialport_discard_read isn't necessary anymore - it just wrapped
sp_flush_incoming with no extra value.
- serialport_read and serialport_write would misbehave if read or write
didn't process everything in one go.
- sp_flush_incoming should be #define'd out for FAKE_COMMUNICATION like
serialport_discard_read was
Corresponding to flashrom svn r831.
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Sean Nelson <audiohacked@gmail.com>
While at it, also rename a few functions to make it obvious
that they are generic and not specific to the Bus Pirate.
Corresponding to flashrom svn r830.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
Example usage:
flashrom -p buspiratespi:spispeed=2.6MHz,dev=/dev/foo
flashrom -p buspiratespi:dev=/dev/foo,spispeed=2.6M
Refactor programmer option parsing (this allows cleanups in other
programmers as well).
Increase SPI read size from 8 to 12 bytes (current single-transaction
limit of the Bus Pirate raw SPI protocol).
Add Bus Pirate to the list of programmers supporting 4 byte RDID.
Add Bus Pirate syntax to the man page.
Tested-by: Sean Nelson <audiohacked@gmail.com>
Corresponding to flashrom svn r776.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>
The code should work on Linux/*BSD/MacOSX and relies on the serial code
implementation in serial.c. Support for additional platforms (Windows)
will have to be added to serial.c for this to work. For tests without a
Bus Pirate (or with non-functional serial code) it is possible to
#define FAKE_COMMUNICATION in buspirate_spi.c.
Thanks to Sean Nelson for the SPI mode settings code. I tweaked it a bit
to make configuration from a commandline easier should anybody want that
feature.
Tested-by: Sean Nelson <audiohacked@gmail.com>
Corresponding to flashrom svn r772.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Sean Nelson <audiohacked@gmail.com>
