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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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5
tests/wraps.h
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@ -20,6 +20,7 @@
#include "flash.h"
struct programmer_cfg; /* defined in programmer.h */
struct termios;
char *__wrap_strdup(const char *s);
void __wrap_physunmap(void *virt_addr, size_t len);
@ -32,6 +33,8 @@ int __wrap_open(const char *pathname, int flags, ...);
int __real_open(const char *pathname, int flags, ...);
int __wrap_open64(const char *pathname, int flags, ...);
int __wrap___open64_2(const char *pathname, int flags, ...);
int __wrap_fcntl(int fd, int cmd, ...);
int __wrap_fcntl64(int fd, int cmd, ...);
int __wrap_ioctl(int fd, unsigned long int request, ...);
int __wrap_write(int fd, const void *buf, size_t sz);
int __wrap_read(int fd, void *buf, size_t sz);
@ -72,6 +75,8 @@ void __wrap_OUTW(unsigned short value, unsigned short port);
unsigned short __wrap_INW(unsigned short port);
void __wrap_OUTL(unsigned int value, unsigned short port);
unsigned int __wrap_INL(unsigned short port);
int __wrap_tcgetattr(int fd, struct termios *termios_p);
int __wrap_tcsetattr(int fd, int optional_actions, const struct termios *termios_p);
int __wrap_spi_send_command(const struct flashctx *flash,
unsigned int writecnt, unsigned int readcnt,
const unsigned char *writearr, unsigned char *readarr);