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Initial Realtek MST i2c_spi support

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This spi master allows for programming of a Realtek RTD2142
MST with external SPI flash chip routed via its internal i2c
transport mechanism.

BUG=b:152558985,b:148745673
BRANCH=none
TEST=echo "00000000:0004ffff fw" > layout && \
  flashrom -p realtek_mst_i2c_spi:bus=8 -l layout -i fw:dump.bin -r && \
  flashrom -p realtek_mst_i2c_spi:bus=8 -l layout -i fw:dump.bin -w && \
  flashrom -p realtek_mst_i2c_spi:bus=8 --flash-size && \
  flashrom -p realtek_mst_i2c_spi:bus=8 --flash-name

Change-Id: I892e0be776fe605e69fb39c77abf3016591d7123
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/40667
Reviewed-by: Edward Hill <ecgh@chromium.org>
Reviewed-by: Shiyu Sun <sshiyu@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Edward O'Callaghan
2020-03-26 00:00:41 +11:00
committed by Edward O'Callaghan
parent 3ef0df067b
commit d97f87b00c
6 changed files with 487 additions and 0 deletions
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8
programmer.h
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@ -132,6 +132,9 @@ enum programmer {
#endif
#if CONFIG_LSPCON_I2C_SPI == 1
PROGRAMMER_LSPCON_I2C_SPI,
#endif
#if CONFIG_REALTEK_MST_I2C_SPI == 1
PROGRAMMER_REALTEK_MST_I2C_SPI,
#endif
PROGRAMMER_INVALID /* This must always be the last entry. */
};
@ -819,4 +822,9 @@ struct libusb_device_handle *usb_dev_get_by_vid_pid_number(
int lspcon_i2c_spi_init(void);
#endif
/* realtek_mst_i2c_spi.c */
#if CONFIG_REALTEK_MST_I2C_SPI == 1
int realtek_mst_i2c_spi_init(void);
#endif
#endif /* !__PROGRAMMER_H__ */