diff options
author | raymondchung <raymondchung@ami.corp-partner.google.com> | 2020-02-11 15:07:39 +0800 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-12 07:41:10 +0000 |
commit | d1f3022ebfce359ba26401bba8f71913fbc61886 (patch) | |
tree | 9498fe6a1f26ade8eae141e07076faef7b52fe5c /src/mainboard/google/hatch/variants/nightfury/ramstage.c | |
parent | 396bb46e7dc14a5feb99de4513a13881de9ef83f (diff) |
mb/google/hatch: Create nightfury variant
Create new variant and build for nightfury.
BUG=b:149226871
TEST=FW_NAME="nightfury" emerge-hatch coreboot chromeos-bootimage
Change-Id: If08692f4a2d216c57499098cc0e35abd708d99d4
Signed-off-by: Raymond Chung <raymondchung@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38826
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Diffstat (limited to 'src/mainboard/google/hatch/variants/nightfury/ramstage.c')
-rw-r--r-- | src/mainboard/google/hatch/variants/nightfury/ramstage.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/nightfury/ramstage.c b/src/mainboard/google/hatch/variants/nightfury/ramstage.c new file mode 100644 index 0000000000..44cd89b00e --- /dev/null +++ b/src/mainboard/google/hatch/variants/nightfury/ramstage.c @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2020 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 <delay.h> +#include <gpio.h> +#include <baseboard/variants.h> +#include <soc/gpio.h> + +void variant_ramstage_init(void) +{ + /* + * Enable power to FPMCU, wait for power rail to stabilize, + * and then deassert FPMCU reset. + * Waiting for the power rail to stabilize can take a while, + * a minimum of 400us on Nightfury. + */ +} |