ec/lenovo/h8: Add VBOOT board support
Use Fn-Key as recovery mode switch. Tested using Icb7b263ed86551cc53e1db7babccaca6b3ae2fe6. Change-Id: I2c682431b3f09839db265259205104bd9ef4abfc Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/32607 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
parent
2dc00fab7c
commit
2521211753
|
@ -32,6 +32,14 @@ config H8_HAS_BAT_TRESHOLDS_IMPL
|
|||
bool
|
||||
default n
|
||||
|
||||
config H8_FN_KEY_AS_VBOOT_RECOVERY_SW
|
||||
bool "Enable Fn-Key as VBOOT recovery switch"
|
||||
depends on VBOOT
|
||||
default n
|
||||
help
|
||||
If VBOOT is enabled, press Fn-Key at power on to force a recovery mode
|
||||
boot instead of regular FW_MAIN_x boot.
|
||||
|
||||
endif
|
||||
|
||||
config H8_DOCK_EARLY_INIT
|
||||
|
|
|
@ -7,6 +7,12 @@ bootblock-y += sense.c
|
|||
postcar-y += sense.c
|
||||
smm-y += sense.c
|
||||
|
||||
ramstage-$(CONFIG_VBOOT) += vboot.c
|
||||
verstage-$(CONFIG_VBOOT) += vboot.c
|
||||
romstage-$(CONFIG_VBOOT) += vboot.c
|
||||
bootblock-$(CONFIG_VBOOT) += vboot.c
|
||||
postcar-$(CONFIG_VBOOT) += vboot.c
|
||||
|
||||
ifneq ($(filter y,$(CONFIG_H8_BEEP_ON_DEATH) $(CONFIG_H8_FLASH_LEDS_ON_DEATH)),)
|
||||
romstage-y += panic.c
|
||||
ramstage-y += panic.c
|
||||
|
|
|
@ -0,0 +1,55 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright (C) 2019 Patrick Rudolph <siro@das-labor.org>
|
||||
*
|
||||
* 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 <ec/acpi/ec.h>
|
||||
#include <bootmode.h>
|
||||
#include <timer.h>
|
||||
#include <delay.h>
|
||||
|
||||
#include "h8.h"
|
||||
|
||||
/**
|
||||
* HACK: Use Fn-Key as recovery mode switch.
|
||||
* Wait for sense register ready and read Fn-Key state.
|
||||
*/
|
||||
int get_recovery_mode_switch(void)
|
||||
{
|
||||
struct stopwatch sw;
|
||||
|
||||
if (!CONFIG(H8_FN_KEY_AS_VBOOT_RECOVERY_SW))
|
||||
return 0;
|
||||
|
||||
/* Tests showed that it takes:
|
||||
* - 700msec on Lenovo T500 from AC power on
|
||||
* - less than 150msec on Lenovo T520 from AC power on
|
||||
*/
|
||||
stopwatch_init_msecs_expire(&sw, 1000);
|
||||
while (!stopwatch_expired(&sw) && !h8_get_sense_ready())
|
||||
mdelay(1);
|
||||
|
||||
if (!h8_get_sense_ready())
|
||||
return 0;
|
||||
|
||||
return h8_get_fn_key();
|
||||
}
|
||||
|
||||
/**
|
||||
* Only used if CONFIG_CHROMEOS is set.
|
||||
* Always zero as the #WP pin of the flash is tied high.
|
||||
*/
|
||||
int get_write_protect_state(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue