switch-coreboot/arch/x86/serial.c
Stefan Reinauer 6220b632e7 Now version 3: LinuxBIOS -> coreboot rename.
- I left LB_TAG_ intact because they are used by the payloads
- file renames are still missing. see next commit
- some lb_ renames might be missing. feel free to provide patches.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://coreboot.org/repository/coreboot-v3@564 f3766cd6-281f-0410-b1cd-43a5c92072e9
2008-01-27 18:54:57 +00:00

43 lines
1.3 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 coresystems GmbH
* (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
* Copyright (C) 2007 Ronald G. Minnich <rminnich@gmail.com>
*
* 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 <io.h>
#include <uart8250.h>
/**
* UART init.
*/
void uart_init(void)
{
unsigned ttysx_div;
#if 0
unsigned ttysx_index;
static const unsigned char divisor[] = { 1, 2, 3, 6, 12, 24, 48, 96 };
// read CMOS settings?
ttysx_index = read_option(CMOS_VSTART_baud_rate, CMOS_VLEN_baud_rate, 0);
ttysx_index &= 7;
ttysx_div = divisor[ttysx_index];
#else
ttysx_div = TTYSx_DIV;
#endif
uart8250_init(TTYSx_BASE, ttysx_div, UART_LCS);
}