1 /*
2  * Mailbox Daemon LPC Helpers
3  *
4  * Copyright 2017 IBM
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  */
19 
20 #include "mbox.h"
21 #include "mboxd_lpc.h"
22 #include "mboxd_pnor_partition_table.h"
23 
24 /*
25  * reset_lpc() - Reset the lpc bus mapping
26  * @context:     The mbox context pointer
27  *
28  * Return        0 on success otherwise negative error code
29  */
reset_lpc(struct mbox_context * context)30 int reset_lpc(struct mbox_context *context)
31 {
32     int rc;
33 
34     destroy_vpnor(context);
35 
36     rc = init_vpnor(context);
37     if (rc < 0)
38         return rc;
39 
40     rc = vpnor_copy_bootloader_partition(context);
41     if (rc < 0)
42         return rc;
43 
44     return point_to_memory(context);
45 }
46