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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#include <string.h>
#include <console/console.h>
#include <console/usb.h>
static void dbgp_init(void)
{
usbdebug_init();
}
static void dbgp_tx_byte(unsigned char data)
{
usbdebug_tx_byte(dbgp_console_output(), data);
}
static unsigned char dbgp_rx_byte(void)
{
unsigned char data = 0xff;
if (dbgp_ep_is_active(dbgp_console_input()))
dbgp_bulk_read_x(dbgp_console_input(), &data, 1);
return data;
}
static void dbgp_tx_flush(void)
{
usbdebug_tx_flush(dbgp_console_output());
}
static int dbgp_tst_byte(void)
{
return dbgp_ep_is_active(dbgp_console_input());
}
static const struct console_driver usbdebug_direct_console __console = {
.init = dbgp_init,
.tx_byte = dbgp_tx_byte,
.tx_flush = dbgp_tx_flush,
.rx_byte = dbgp_rx_byte,
.tst_byte = dbgp_tst_byte,
};
|
