diff options
Diffstat (limited to 'src/superio/smsc/lpc47b272/early_serial.c')
| -rw-r--r-- | src/superio/smsc/lpc47b272/early_serial.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/src/superio/smsc/lpc47b272/early_serial.c b/src/superio/smsc/lpc47b272/early_serial.c deleted file mode 100644 index 26fdfafbc6..0000000000 --- a/src/superio/smsc/lpc47b272/early_serial.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2005 Digital Design Corporation - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ - -/* Pre-RAM driver for SMSC LPC47B272 Super I/O chip. */ - -#include <arch/io.h> -#include <device/pnp_ops.h> -#include <device/pnp.h> -#include <stdint.h> -#include "lpc47b272.h" - -static void pnp_enter_conf_state(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - outb(0x55, port); -} - -static void pnp_exit_conf_state(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - outb(0xaa, port); -} - -/** - * Configure the base I/O port of the specified serial device and enable the - * serial device. - * - * @param dev High 8 bits = Super I/O port, low 8 bits = logical device number. - * @param iobase Processor I/O port address to assign to this serial device. - */ -void lpc47b272_enable_serial(pnp_devfn_t dev, u16 iobase) -{ - pnp_enter_conf_state(dev); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); - pnp_exit_conf_state(dev); -} |