Philipp Deppenwiese has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/32894 )
Change subject: Documentation: Add Rotundu ......................................................................
Documentation: Add Rotundu
Add information about flash and programming header.
Change-Id: If34016e20dd580f92695bef5b67dd0c282b0b421 Signed-off-by: Patrick Rudolph patrick.rudolph@9elements.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/32894 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Philipp Deppenwiese zaolin.daisuki@gmail.com --- M Documentation/mainboard/index.md A Documentation/mainboard/opencellular/rotundu.md A Documentation/mainboard/opencellular/rotundu_flash.jpg A Documentation/mainboard/opencellular/rotundu_header2.jpg A Documentation/mainboard/opencellular/rotundu_j16.png 5 files changed, 77 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Philipp Deppenwiese: Looks good to me, approved
diff --git a/Documentation/mainboard/index.md b/Documentation/mainboard/index.md index 9af5c80..fb637c4 100644 --- a/Documentation/mainboard/index.md +++ b/Documentation/mainboard/index.md @@ -44,6 +44,7 @@ ## Open Cellular
- [Elgon](opencellular/elgon.md) +- [Rotundu](opencellular/rotundu.md)
## HP
diff --git a/Documentation/mainboard/opencellular/rotundu.md b/Documentation/mainboard/opencellular/rotundu.md new file mode 100644 index 0000000..8773e96 --- /dev/null +++ b/Documentation/mainboard/opencellular/rotundu.md @@ -0,0 +1,76 @@ +# Rutundu + +This page describes how to run coreboot on the [Rotundu] compute board +from [OpenCellular]. + +## TODO + +* Configure UART +* EC interface + +## Flashing coreboot + +```eval_rst ++---------------------+------------+ +| Type | Value | ++=====================+============+ +| Socketed flash | no | ++---------------------+------------+ +| Model | W25Q128 | ++---------------------+------------+ +| Size | 16 MiB | ++---------------------+------------+ +| In circuit flashing | yes | ++---------------------+------------+ +| Package | SOIC-8 | ++---------------------+------------+ +| Write protection | No | ++---------------------+------------+ +| Dual BIOS feature | No | ++---------------------+------------+ +| Internal flashing | yes | ++---------------------+------------+ +``` + +### Internal programming + +The SPI flash can be accessed using [flashrom]. + +### External programming + +The GBCv1 board does have a pinheader to flash the SOIC-8 in circuit. +Directly connecting a Pomona test-clip on the flash is also possible. + +**Closeup view of SOIC-8 flash IC** + +![][rotundu_flash] + +[rotundu_flash]: rotundu_flash.jpg + +**SPI header** + +![][rotundu_header2] + +[rotundu_header2]: rotundu_header2.jpg + +**SPI header pinout** + +Dediprog compatible pinout. + +![][rotundu_j16] + +[rotundu_j16]: rotundu_j16.png + +## Technology + +```eval_rst ++------------------+--------------------------------------------------+ +| SoC | Intel Baytrail | ++------------------+--------------------------------------------------+ +| Coprocessor | Intel ME | ++------------------+--------------------------------------------------+ +``` + +[Rotundu]: https://github.com/Telecominfraproject/OpenCellular +[OpenCellular]: https://code.fb.com/connectivity/introducing-opencellular-an-open-source-wir... +[flashrom]: https://flashrom.org/Flashrom diff --git a/Documentation/mainboard/opencellular/rotundu_flash.jpg b/Documentation/mainboard/opencellular/rotundu_flash.jpg new file mode 100644 index 0000000..f14617c --- /dev/null +++ b/Documentation/mainboard/opencellular/rotundu_flash.jpg Binary files differ diff --git a/Documentation/mainboard/opencellular/rotundu_header2.jpg b/Documentation/mainboard/opencellular/rotundu_header2.jpg new file mode 100644 index 0000000..f692306 --- /dev/null +++ b/Documentation/mainboard/opencellular/rotundu_header2.jpg Binary files differ diff --git a/Documentation/mainboard/opencellular/rotundu_j16.png b/Documentation/mainboard/opencellular/rotundu_j16.png new file mode 100644 index 0000000..1936365 --- /dev/null +++ b/Documentation/mainboard/opencellular/rotundu_j16.png Binary files differ