Attention is currently required from: Ravi kumar. Shelley Chen has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/47284 )
Change subject: sc7280: support bitbang UART w/gpio ......................................................................
Patch Set 5:
(2 comments)
File src/soc/qualcomm/sc7280/Makefile.inc:
https://review.coreboot.org/c/coreboot/+/47284/comment/fc093593_34eee538 PS5, Line 9: bootblock-$(CONFIG_SC7280_QSPI) += qspi.c : bootblock-y += clock.c : bootblock-y += gpio.c : bootblock-$(CONFIG_DRIVERS_UART) += uart_bitbang.c Since these are being added to all stages, please use the "all-y +=" syntax.
File src/soc/qualcomm/sc7280/uart_bitbang.c:
https://review.coreboot.org/c/coreboot/+/47284/comment/4b7e7f33_73047afe PS5, Line 7: #define UART_TX_PIN GPIO(44) I'm assuming with no schematics this is unknown as well?