diff options
Diffstat (limited to 'src/superio/nsc/pc97317/early_serial.c')
| -rw-r--r-- | src/superio/nsc/pc97317/early_serial.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/src/superio/nsc/pc97317/early_serial.c b/src/superio/nsc/pc97317/early_serial.c deleted file mode 100644 index 74489faf37..0000000000 --- a/src/superio/nsc/pc97317/early_serial.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2000 AG Electronics Ltd. - * - * 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. - */ - -#include <arch/io.h> -#include <device/pnp_ops.h> -#include <device/pnp.h> -#include <stdint.h> -#include "pc97317.h" - -#define PM_DEV PNP_DEV(0x2e, PC97317_PM) -#define PM_BASE 0xe8 - -/* The PC97317 needs clocks to be set up before the serial port will operate. */ -void pc97317_enable_serial(pnp_devfn_t dev, u16 iobase) -{ - /* Set base address of power management unit. */ - pnp_set_logical_device(PM_DEV); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, PM_BASE); - pnp_set_enable(dev, 1); - - /* Use on-chip clock multiplier. */ - outb(0x03, PM_BASE); - outb(inb(PM_BASE + 1) | 0x07, PM_BASE + 1); - - /* Wait for the clock to stabilise. */ - while(!(inb(PM_BASE + 1) & 0x80)) - ; - - /* Set the base address of the port. */ - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); -} |