Andrey Petrov (andrey.petrov@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13800
-gerrit
commit 68172cb0cc4ffa97deaa0f6a1371c16eb66caad4 Author: Andrey Petrov andrey.petrov@intel.com Date: Thu Feb 25 14:19:07 2016 -0800
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 andrey.petrov@intel.com --- src/drivers/intel/fsp2_0/notify.c | 40 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)
diff --git a/src/drivers/intel/fsp2_0/notify.c b/src/drivers/intel/fsp2_0/notify.c new file mode 100644 index 0000000..820bd45 --- /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 andrey.petrov@intel.com 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 <arch/cpu.h> +#include <console/console.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <string.h> + +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); +}