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/* Copyright 2013-2016 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <skiboot.h>
#include "rom.h"
#include "drivers/romcode.h"
#include "drivers/sw_driver.h"
static struct rom_driver_ops *rom_driver = NULL;
struct rom_driver_ops* rom_init(const struct dt_node *node __unused)
{
if (rom_driver)
goto end;
/* ROM drivers supported */
romcode_probe(node);
if (!rom_driver)
stb_software_probe(node);
if (!rom_driver)
prlog(PR_NOTICE, "ROM: no rom driver found\n");
end:
return rom_driver;
}
void rom_set_driver(struct rom_driver_ops *driver)
{
if (rom_driver) {
/**
* @fwts-label ROMAlreadyRegistered
* @fwts-advice ibm,secureboot already registered. Check if
* rom_init called twice or the same driver is probed twice
*/
prlog(PR_WARNING, "ROM: %s driver already registered\n",
driver->name);
return;
}
rom_driver = driver;
prlog(PR_NOTICE, "ROM: %s driver registered\n", driver->name);
}
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