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ec/google/wilco: Report BIOS progress to the EC 

The EC expects to receive updates about the BIOS boot progress.  This is
used for the EC logging to track system boot completeness.  If the EC is
not informed about BIOS progress it will turn the system off 30 seconds
after the boot starts.

Change-Id: I693c3930117db2b69a119aee0380d6f303c4881c
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/29118
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Duncan Laurie 2018-10-15 02:46:45 +00:00 committed by Duncan Laurie
parent b29e2d58f2
commit 421a962cc6
2 changed files with 31 additions and 0 deletions
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22
src/ec/google/wilco/chip.c
View File

@ -13,6 +13,7 @@
* GNU General Public License for more details.
*/
#include <bootstate.h>
#include <device/pnp.h>
#include <pc80/keyboard.h>
#include <stdint.h>
@ -22,6 +23,27 @@
#include "ec.h"
#include "chip.h"
static void wilco_ec_post_complete(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_POST_COMPLETE);
}
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT,
wilco_ec_post_complete, NULL);
static void wilco_ec_post_memory_init(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_MEMORY_INIT);
}
BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_EXIT,
wilco_ec_post_memory_init, NULL);
static void wilco_ec_post_video_init(void *unused)
{
wilco_ec_send(KB_BIOS_PROGRESS, BIOS_PROGRESS_VIDEO_INIT);
}
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_EXIT,
wilco_ec_post_video_init, NULL);
static void wilco_ec_init(struct device *dev)
{
if (!dev->enabled)

9
src/ec/google/wilco/commands.h
View File

@ -34,6 +34,8 @@ enum {
KB_POWER_BUTTON_TO_HOST = 0x3e,
/* Inform the EC that the host is about to enter S3 */
KB_SLP_EN = 0x64,
/* Inform the EC about BIOS boot progress */
KB_BIOS_PROGRESS = 0xc2,
};
enum set_acpi_mode_cmd {
@ -41,6 +43,13 @@ enum set_acpi_mode_cmd {
ACPI_ON
};
enum bios_progress_code {
BIOS_PROGRESS_MEMORY_INIT = 0x01,
BIOS_PROGRESS_VIDEO_INIT = 0x02,
BIOS_PROGRESS_LOGO_DISPLAYED = 0x03,
BIOS_PROGRESS_POST_COMPLETE = 0x04,
};
/*
* EC Information
*/