diff options
author | Nicolas Reinecke <nr@das-labor.org> | 2015-07-04 23:37:06 +0200 |
---|---|---|
committer | Arthur Heymans <arthur@aheymans.xyz> | 2019-10-15 06:47:48 +0000 |
commit | b165c4a46f003b396a2bbad9f9077f5d498ecbbf (patch) | |
tree | 1299ec9f5145a9db7f75a149a3147c9f1e4a737a /src/mainboard/lenovo/t410/smihandler.c | |
parent | 465dd5c5241c5f682fb987c1c2ea0b47a28009fb (diff) |
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>
Diffstat (limited to 'src/mainboard/lenovo/t410/smihandler.c')
-rw-r--r-- | src/mainboard/lenovo/t410/smihandler.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t410/smihandler.c b/src/mainboard/lenovo/t410/smihandler.c new file mode 100644 index 0000000000..91cb0ce2d6 --- /dev/null +++ b/src/mainboard/lenovo/t410/smihandler.c @@ -0,0 +1,110 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * 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 <arch/io.h> +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <southbridge/intel/ibexpeak/nvs.h> +#include <southbridge/intel/common/pmutil.h> +#include <northbridge/intel/nehalem/nehalem.h> +#include <ec/acpi/ec.h> +#include <ec/lenovo/h8/h8.h> +#include <delay.h> +#include "dock.h" + +#define GPE_EC_SCI 1 +#define GPE_EC_WAKE 13 + +static void mainboard_smi_handle_ec_sci(void) +{ + u8 status = inb(EC_SC); + u8 event; + + if (!(status & EC_SCI_EVT)) + return; + + event = ec_query(); + printk(BIOS_DEBUG, "EC event %02x\n", event); + + switch (event) { + case 0x18: + /* Fn-F9 key */ + case 0x27: + /* Power loss */ + case 0x50: + /* Undock Key */ + ec_clr_bit(0x03, 2); + dock_disconnect(); + break; + case 0x37: + case 0x58: + /* Dock Event */ + ec_clr_bit(0x03, 2); + mdelay(250); + dock_connect(); + ec_set_bit(0x03, 2); + /* set dock LED to indicate status */ + ec_write(0x0c, 0x09); + ec_write(0x0c, 0x88); + break; + default: + break; + } +} + +void mainboard_smi_gpi(u32 gpi_sts) +{ + if (gpi_sts & (1 << GPE_EC_SCI)) + mainboard_smi_handle_ec_sci(); +} + +int mainboard_smi_apmc(u8 data) +{ + switch (data) { + case APM_CNT_ACPI_ENABLE: + /* use 0x1600/0x1604 to prevent races with userspace */ + ec_set_ports(0x1604, 0x1600); + /* route H8SCI to SCI */ + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SCI); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + case APM_CNT_ACPI_DISABLE: + /* we have to use port 0x62/0x66, as 0x1600/0x1604 doesn't + provide a EC query function */ + ec_set_ports(0x66, 0x62); + /* route H8SCI# to SMI */ + gpi_route_interrupt(GPE_EC_SCI, GPI_IS_SMI); + /* discard all events, and enable attention */ + ec_write(0x80, 0x01); + break; + default: + break; + } + return 0; +} + +void mainboard_smi_sleep(u8 slp_typ) +{ + if (slp_typ == 3) { + u8 ec_wake = ec_read(0x32); + /* If EC wake events are enabled, enable wake on EC WAKE GPE. */ + if (ec_wake & 0x14) { + /* Redirect EC WAKE GPE to SCI. */ + gpi_route_interrupt(GPE_EC_WAKE, GPI_IS_SCI); + } + } +} |