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Add mediatek_i2c_spi interface

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Add a spi_master interface supporting MediaTek MST9U ISP mode.

Autodetect the bus type via I2C_FUNC_I2C, and use the appropriate
read/write commands, in case the MST9U is attached to smbus.

TEST=Successfully programmed SPI on test hardware.

Change-Id: I24adb14e7b4f7160e1c3ff941774064d5a81e820
Signed-off-by: Neill Corlett <corlett@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/61288
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Neill Corlett
2022-01-20 21:50:30 -05:00
committed by Edward O'Callaghan
parent 55aa056c74
commit e98b2d1184
6 changed files with 531 additions and 0 deletions
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meson_options.txt
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@ -40,4 +40,5 @@ option('config_serprog', type : 'boolean', value : true, description : 'serprog'
option('config_usbblaster_spi', type : 'boolean', value : true, description : 'Altera USB-Blaster dongles')
option('config_stlinkv3_spi', type : 'boolean', value : true, description : 'STMicroelectronics STLINK-V3')
option('config_lspcon_i2c_spi', type : 'boolean', value : false, description : 'Parade lspcon USB-C to HDMI protocol translator')
option('config_mediatek_i2c_spi', type : 'boolean', value : false, description : 'MediaTek LCD controller')
option('config_realtek_mst_i2c_spi', type : 'boolean', value : true, description : 'Realtek MultiStream Transport MST')