mainboard/lenovo/t410: Add new port

The port is based on the x201 / t410s.
2537-vg5 / i5, no discrete gpu

Tested and working:
* Native raminit
* Native gfxinit
* Booting Seabios 1.12.1
* Booting from EHCI
* Running GNU/Linux 5.0.0
* No errors in dmesg
* EHCI debug on the devices left side, bottom-right
* Keyboard
* Fn keys (Mute, Volume, Mic)
* Touchpad
* TPM
* Wifi
* Sound
* USB
* Ethernet
* S3 resume
* VBOOT

Testing in progress.

Untested:
* VGA
* Displayport
* Docking station

Bugs:
* AC adapter can't be read from ACPI
* TPM not working with VBOOT and C_ENV BB

Details for flashing externally:
1. Disconnect all power
2. Connect the external flasher
3. Connect the power cord (This fixes internal power control)
4. Remove the power cord

Change-Id: Id9d872e643dd242e925bfb46d18076e6ad100995
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/11791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/mainboard/lenovo/t410/early_init.c b/src/mainboard/lenovo/t410/early_init.c
new file mode 100644
index 0000000000..63bbe92f1b
--- /dev/null
+++ b/src/mainboard/lenovo/t410/early_init.c
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2019 Patrick Rudolph
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <bootblock_common.h>
+#include <delay.h>
+
+#include <ec/acpi/ec.h>
+void bootblock_mainboard_early_init(void)
+{
+	/* Enable USB Power. We need to do it early for usbdebug to work. */
+	ec_set_bit(0x3b, 4);
+}