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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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12
flashrom.c
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@ -401,6 +401,18 @@ const struct programmer_entry programmer_table[] = {
},
#endif
#if CONFIG_REALTEK_MST_I2C_SPI == 1
{
.name = "realtek_mst_i2c_spi",
.type = OTHER,
.devs.note = "Device files /dev/i2c-*.\n",
.init = realtek_mst_i2c_spi_init,
.map_flash_region = fallback_map,
.unmap_flash_region = fallback_unmap,
.delay = internal_delay,
},
#endif
#if CONFIG_USBBLASTER_SPI == 1
{
.name = "usbblaster_spi",