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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/lpc/lpcif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2017 */
/* [+] Google Inc. */
/* [+] International Business Machines 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. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __LPCIF_H
#define __LPCIF_H
#include <errl/errlentry.H>
namespace LPC
{
/**
* @enum LPC::TransType
* @brief LPC Transaction Types
*/
enum TransType {
TRANS_IO, // LPC IO Space
TRANS_MEM, // LPC Memory Space
TRANS_FW, // LPC Firmware Space
TRANS_REG, // LPCHC Register space
TRANS_ABS, // Address parm is absolute
TRANS_ERR, // LPC Register Error Space
TRANS_LAST // Invalid, used for looping and tests
};
/**
* @brief Create/delete software objects to support non-master access
*
* Only a single altmaster object can be active at any given time. The
* previous object must be destroyed before creating another one.
*
* @param i_create true: create objects, false: destroy previous objects
* @param i_proc Processor target to use for LPC access
*
* @return Error if invalid parms or ordering occurs
*/
errlHndl_t create_altmaster_objects( bool i_create,
TARGETING::Target* i_proc );
/**
* @brief Block/unblock all LPC operations
* @param[in] i_block true: block ops, false: allow ops
*/
void block_lpc_ops( bool i_block );
/**
* @brief Return the value of the LPC BAR that the driver is using
* @return LPC BAR physical address
*/
uint64_t get_lpc_bar( void );
}; // namespace LPC
#endif // end __LPCIF_H
|