blob: 5b21be8236b828cabbfa8164422f275fd7cd4894 (
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
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
78
79
80
81
|
/* Copyright 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Extra hooks for board and chip initialization/configuration
*/
#ifndef __CROS_EC_BOARD_CONFIG_H
#define __CROS_EC_BOARD_CONFIG_H
#include "common.h"
#ifdef CONFIG_BOARD_PRE_INIT
/**
* Configure board before any inits are called.
*
* Note that this is in general a hacky place to do configuration. Most config
* is actually chip-specific or module-specific and not board-specific, so
* putting it here hides dependencies between module inits and board init.
* Think very hard before putting code here.
*/
void board_config_pre_init(void);
#endif
#ifdef CONFIG_BOARD_POST_GPIO_INIT
/**
* Configure board after GPIOs are initialized.
*
* Note that this is in general a hacky place to do configuration. Most config
* is actually chip-specific or module-specific and not board-specific, so
* putting it here hides dependencies between module inits and board init.
* Think very hard before putting code here.
*/
void board_config_post_gpio_init(void);
#endif
/**
* Configure board before RSMRST# state change
*
* This board function allows workarounds to be applied to a board after all
* power rails are up but before the AP is out of reset.
*
* Most workarounds for power sequencing can go in board init hooks, but for
* devices where the power sequencing is driven by external PMIC the EC may
* not get interrupts in time to handle workarounds. For x86 platforms and
* boards which support RSMRST# passthrough this hook will allow the board
* to apply workarounds despite the PMIC sequencing.
*
* The default implementation does nothing.
*/
__override_proto void board_before_rsmrst(int rsmrst);
/**
* Configure board after RSMRST# state change
*
* Similar to board_before_rsmrst, except this is called after passing RSMRST#
* to the AP.
*
* The default implementation does nothing.
*/
__override_proto void board_after_rsmrst(int rsmrst);
/**
* Configure chip early in main(), just after board_config_pre_init().
*
* Most chip configuration is not particularly timing critical and can be done
* in other chip driver initialization such as system_pre_init() or HOOK_INIT
* handlers. Chip pre-init should be reserved for small amounts of critical
* functionality that can't wait that long. Think very hard before putting
* code here.
*/
void chip_pre_init(void);
/*
* Allow board to override the feature bitmap provided through host command
* and ACPI.
*/
__override_proto uint32_t board_override_feature_flags0(uint32_t flags0);
__override_proto uint32_t board_override_feature_flags1(uint32_t flags1);
#endif /* __CROS_EC_BOARD_CONFIG_H */
|
