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spidriver: Add support for the Excamera Labs SPIDriver programmer

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This is a SPI hardware interface with a display (https://spidriver.com/),
connected as an FT230X USB serial device at a fixed baud rate of 460800.

Firmware: https://github.com/jamesbowman/spidriver
Protocol: https://github.com/jamesbowman/spidriver/blob/master/protocol.md

Most of the implementation is copied from the Bus Pirate programmer.

Tested with a SPIDriver v2 by reading FM25Q128A flash memory on Linux.

Change-Id: I07b23c1146d4ad3606b54a1e8dc8030cf4ebf57b
Signed-off-by: Simon Arlott <flashrom@octiron.net>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/86411
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
This commit is contained in:
Simon Arlott
2025-02-13 22:11:37 +00:00
committed by Anastasia Klimchuk
parent c3b89597fc
commit 81c21880a3
15 changed files with 659 additions and 4 deletions
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1
tests/io_mock.h
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@ -107,6 +107,7 @@ struct io_mock {
/* POSIX File I/O */
int (*iom_open)(void *state, const char *pathname, int flags, mode_t mode);
int (*iom_fcntl)(void *state, int fd, unsigned long cmd, va_list args);
int (*iom_ioctl)(void *state, int fd, unsigned long request, va_list args);
int (*iom_read)(void *state, int fd, void *buf, size_t sz);
int (*iom_write)(void *state, int fd, const void *buf, size_t sz);