From 9cb2da45d8240de73b2a8677f9874ca947d03c11 Mon Sep 17 00:00:00 2001 From: Bill XIE Date: Fri, 2 Nov 2018 19:24:42 +0800 Subject: mb/lenovo/x220: Add x1 as a variant ThinkPad X1 ( https://www.thinkwiki.org/wiki/Category:X1 ) is nearly a clone of X220, with additional USB3 controller on pci-e (as i7 variant of x220), and a powered ESATA port wired to ata4 (Linux' annotation). Documentation added. Tested: - CPU i5-2520M - Slotted DIMM 8GiB - Camera - Mini pci-e on wlan slot - Msata on wwan slot - On board SDHCI connected to pci-e - USB3 controller connected to pci-e - NVRAM options for North and South bridges - S3 - TPM1 on LPC - Linux 4.9.110-3 within Debian GNU/Linux stable, loaded from SeaBIOS, or Linux payload (Heads) Not tested: - Fingerprint reader on USB2 - Onboard USB2 interfaces (wlan slot, wwan slot) Change-Id: Ibbc45f22c63b77ac95c188db825d0d7e2b03d2d1 Signed-off-by: Bill XIE Reviewed-on: https://review.coreboot.org/c/29434 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- Documentation/mainboard/lenovo/x1.md | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/mainboard/lenovo/x1.md (limited to 'Documentation/mainboard/lenovo/x1.md') diff --git a/Documentation/mainboard/lenovo/x1.md b/Documentation/mainboard/lenovo/x1.md new file mode 100644 index 0000000000..cb9248a4e4 --- /dev/null +++ b/Documentation/mainboard/lenovo/x1.md @@ -0,0 +1,24 @@ +# Lenovo X1 + +## Flashing instructions + +![x1_flash_ic](x1_flash_ic.jpg) + +You have to remove the keyboard in order to access the flash IC (the chip +inside the red circle on the picture above), as it is under the wider +cable (already detached from MB in the picture) connecting the keyboard +to the mainboard. + +The flash IC can be a SOIC-8 one or a WSON-8 one, and may be covered with +a piece of insulation tape. + +For more details have a look at [T420 / T520 / X220 / T420s / W520 common] and + +```eval_rst +:doc:`../../flash_tutorial/ext_power` +``` + +Steps to access the flash IC are described here [X2xx series]. + +[X2xx series]: x2xx_series.md +[T420 / T520 / X220 / T420s / W520 common]: xx20_series.md -- cgit v1.2.3