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src/mainboard/kahlee: Turn on keyboard backlight on grunt 

Turn on keyboard backlight in romstage to indicate that the system is
booting.

BUG=b:77921345
TEST=Boot grunt, keyboard backlight comes on.

Change-Id: Ib215b19ebdee2f8c4f431af775905eca42436d1c
Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/25636
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Martin Roth 2018-04-12 10:02:54 -06:00 committed by Martin Roth
parent 2c3e3ef654
commit 70df5d6e43
4 changed files with 40 additions and 0 deletions
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11
src/mainboard/google/kahlee/romstage.c
View File

@ -15,8 +15,19 @@
#include <amdblocks/dimm_spd.h>
#include <baseboard/variants.h>
#include <soc/romstage.h>
int mainboard_read_spd(uint8_t spdAddress, char *buf, size_t len)
{
return variant_mainboard_read_spd(spdAddress, buf, len);
}
void __attribute__((weak)) variant_romstage_entry(int s3_resume)
{
/* By default, don't do anything */
}
void mainboard_romstage_entry(int s3_resume)
{
variant_romstage_entry(s3_resume);
}

1
src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
View File

@ -31,5 +31,6 @@ int variant_get_xhci_oc_map(uint16_t *usb_oc_map);
int variant_get_ehci_oc_map(uint16_t *usb_oc_map);
const struct soc_amd_stoneyridge_gpio *variant_early_gpio_table(size_t *size);
const struct soc_amd_stoneyridge_gpio *variant_gpio_table(size_t *size);
void variant_romstage_entry(int s3_resume);
#endif /* __BASEBOARD_VARIANTS_H__ */

2
src/mainboard/google/kahlee/variants/grunt/Makefile.inc
View File

@ -15,4 +15,6 @@
subdirs-y += spd
romstage-y += romstage.c
ramstage-y += mainboard.c

26
src/mainboard/google/kahlee/variants/grunt/romstage.c Normal file
View File

@ -0,0 +1,26 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2018 Google, LLC.
*
* 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 <baseboard/variants.h>
#include <ec/google/chromeec/ec.h>
void variant_romstage_entry(int s3_resume)
{
uint32_t sku = google_chromeec_get_sku_id();
/* Based on SKU, turn on keyboard backlight to show system is booting */
if (sku <= 6 && !s3_resume)
google_chromeec_kbbacklight(75);
}