From 9de55cce55082d08ed7720aa9c314b63e49d0bf7 Mon Sep 17 00:00:00 2001 From: Andrey Petrov Date: Thu, 25 Feb 2016 14:19:07 -0800 Subject: [PATCH] drivers/intel/fsp2_0: Add Notify Phase API This adds Notify Phase API. This is an important call that is used to inform FSP runtimes of different stages of SoC initializations by the coreboot. Change-Id: Icec770d0c1c4d239adb2ef342bf6cc9c35666e4d Signed-off-by: Andrey Petrov Reviewed-on: https://review.coreboot.org/13800 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/drivers/intel/fsp2_0/notify.c | 40 +++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/drivers/intel/fsp2_0/notify.c diff --git a/src/drivers/intel/fsp2_0/notify.c b/src/drivers/intel/fsp2_0/notify.c new file mode 100644 index 0000000000..820bd4540e --- /dev/null +++ b/src/drivers/intel/fsp2_0/notify.c @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Andrey Petrov for Intel Corp.) + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#include +#include +#include +#include +#include + +struct fsp_notify_params { + enum fsp_notify_phase phase; +}; + +typedef asmlinkage enum fsp_status (*fsp_notify_fn) + (struct fsp_notify_params *); + +enum fsp_status fsp_notify(enum fsp_notify_phase phase) +{ + fsp_notify_fn fspnotify; + struct fsp_notify_params notify_params = { .phase = phase }; + + if (!fsps_hdr.silicon_init_entry_offset) + return FSP_NOT_FOUND; + + fspnotify = (void*) (fsps_hdr.image_base + + fsps_hdr.notify_phase_entry_offset); + + printk(BIOS_DEBUG, "FspNotify %x\n", (uint32_t) phase); + + return fspnotify(¬ify_params); +}