blob: b3ea01a3197efa5c30768fe00ee0f24aad6941aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/*
* Copyright (C) Intel 2011
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* The PTI (Parallel Trace Interface) driver directs trace data routed from
* various parts in the system out through the Intel Penwell PTI port and
* out of the mobile device for analysis with a debugging tool
* (Lauterbach, Fido). This is part of a solution for the MIPI P1149.7,
* compact JTAG, standard.
*
* This header file will allow other parts of the OS to use the
* interface to write out it's contents for debugging a mobile system.
*/
#ifndef PTI_H_
#define PTI_H_
/* offset for last dword of any PTI message. Part of MIPI P1149.7 */
#define PTI_LASTDWORD_DTS 0x30
/* basic structure used as a write address to the PTI HW */
struct pti_masterchannel {
u8 master;
u8 channel;
};
/* the following functions are defined in misc/pti.c */
void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count);
struct pti_masterchannel *pti_request_masterchannel(u8 type,
const char *thread_name);
void pti_release_masterchannel(struct pti_masterchannel *mc);
#endif /*PTI_H_*/
|
