coreboot/src/console/usbdebug_console.c
Kyösti Mälkki ea6736a2d0 usbdebug: Unify console API
Struct dbgp_pipe would not be suitable for use with xHCI.
Just use an index, it is easy to setup in Kconfig if our
future debug setup has separate pipes for console
output and debugging/traceings.

Change-Id: Icbbd28f03113b208016f80217ab801d598d443a8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5227
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
2014-02-20 23:29:12 +01:00

56 lines
1.4 KiB
C

/*
* 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)
{
usb_tx_byte(0, data);
}
static unsigned char dbgp_rx_byte(void)
{
return usb_rx_byte(0);
}
static void dbgp_tx_flush(void)
{
usb_tx_flush(0);
}
static int dbgp_tst_byte(void)
{
return usb_can_rx_byte(0);
}
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,
};