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authorFelix Singer <migy@darmstadt.ccc.de>2019-02-12 22:22:42 +0100
committerPatrick Rudolph <siro@das-labor.org>2019-05-22 12:13:22 +0000
commit402fe20e3e10f0f2aa1329eb60970e56bf92986e (patch)
tree8872f294a9d7dfba7b5732bdac6bf13a3396b41d /Documentation
parentfa40e822700f78489a3cd8be65365a9e7249eecf (diff)
downloadcoreboot-402fe20e3e10f0f2aa1329eb60970e56bf92986e.tar.xz
mb/up/squared: Add mainboard
Works: - 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 WIP: - Documentation - VGA For some reason Seabios can not find the CBFS region and therefore it can't load seavgabios, but generally it is working as soon as Linux is booted. - ACPI Works not: - Devices needs proper configuration - Seabios can't find CBFS region 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 Change-Id: Ia913534ec176fc600fcd4ce3af335ebe682b0ed4 Signed-off-by: Felix Singer <felix.singer@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31378 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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@@ -82,3 +82,7 @@ The boards in this section are not real mainboards, but emulators.
## Supermicro
- [X10SLM+-F](supermicro/x10slm-f.md)
+
+## UP
+
+- [Squared](up/squared/index.md)
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diff --git a/Documentation/mainboard/up/squared/index.md b/Documentation/mainboard/up/squared/index.md
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+# 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
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