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diff --git a/Documentation/mainboard/up/squared/index.md b/Documentation/mainboard/up/squared/index.md new file mode 100644 index 0000000000..dcf3ed192d --- /dev/null +++ b/Documentation/mainboard/up/squared/index.md @@ -0,0 +1,99 @@ +# Squared + +## Overview +### Top +![][overview_top] + +### Bottom +![][overview_bottom] + +## Mainboard components +### Platform +```eval_rst ++------------------+----------------------------------+ +| CPU | Intel Atom, Celeron, Pentium | ++------------------+----------------------------------+ +| PCH | Intel Apollo Lake | ++------------------+----------------------------------+ +| EC / Super IO | N/A | ++------------------+----------------------------------+ +| Coprocessor | Intel TXE 3.0 | ++------------------+----------------------------------+ +``` + +### Flash chip +```eval_rst ++---------------------+------------+ +| Type | Value | ++=====================+============+ +| Socketed flash | no | ++---------------------+------------+ +| Vendor | Winbond | ++---------------------+------------+ +| Model | W25Q128FW | ++---------------------+------------+ +| Voltage | 1.8V | ++---------------------+------------+ +| Size | 16 MiB | ++---------------------+------------+ +| Package | SOIC-8 | ++---------------------+------------+ +| Write protection | No | ++---------------------+------------+ +| Internal flashing | No | ++---------------------+------------+ +| In curcuit flashing | Yes | ++---------------------+------------+ +``` + +## Board status +### Working +- bootblock, romstage, ramstage +- Serial console UART0, UART1 +- SPI flash console +- iGPU init with libgfxinit +- LAN1, LAN2 +- USB2, USB3 +- HDMI, DisplayPort +- eMMC +- flashing with flashrom externally + +### Work in progress +- Documentation +- ACPI + +### Not working / Known issues +- Generally SeaBIOS works, but it can't find the CBFS region and therefore it can't load seavgabios. This is because of changes at the Apollolake platform. + +### Untested +- GPIO pin header +- 60 pin EXHAT +- Camera interface + - MIPI-CSI2 2-lane (2MP) + - MIPI-CSI2 4-lane (8MP) +- SATA3 +- USB3 OTG +- embedded DisplayPort +- M.2 slot +- mini PCIe +- flashing with flashrom internally using Linux + +## Building and flashing coreboot +### Building + +```bash +make distclean +touch .config +./util/scripts/config --enable VENDOR_UP +./util/scripts/config --enable BOARD_UP_SQUARED +./util/scripts/config --enable NEED_IFWI +./util/scripts/config --enable HAVE_IFD_BIN +./util/scripts/config --set-str IFWI_FILE_NAME "<path_to_your_bios_region>" +./util/scripts/config --set-str IFD_BIN_PATH "<path_to_your_ifd_region>" +make olddefconfig +``` + +### Flashing + +[overview_top]: top.jpg +[overview_bottom]: bottom.jpg |